| 1. |
- Gyhagen, Julia, et al.
(författare)
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The influence of age and health status for outcomes after mid-urethral sling surgery-a nationwide register study.
- 2023
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Ingår i: International urogynecology journal. - : Springer Science and Business Media LLC. - 1433-3023 .- 0937-3462. ; 34:4, s. 939-947
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Tidskriftsartikel (refereegranskat)abstract
- The efficacy of mid-urethral sling (MUS) surgery in older women and women with a significant disease burden is limited. We aimed to determine the influence of chronological age and physical status (assessed by the American Society of Anesthesiologists Physical Status, ASA) classification on outcomes.Cure rate, change in frequency of lower urinary tract symptoms, satisfaction, impact, and adverse events after MUS surgery were assessed in 5200 women aged 55-94 years with MUS surgery (2010-2017). Data were analysed by multivariate logistic regression and Mantel-Haenszel chi-square statistics.The cure rate was 64.2% (95% CI, 60.0-68.4) in the ≥ 75-year cohort compared to 88.5% (95% CI, 87.1-89.8) in the 55-64-year cohort (trend p < 0.0001). The estimated probability of cure, improvement, and satisfaction with the procedure decreased by aOR10yr = 0.51 for cure to aOR10yr = 0.59 for satisfaction (all p < 0.0001). Women with a significant health burden (ASA class 3-4) had lower cure rates and satisfaction than those without (65.5% vs. 83.7%, p < 0.0001 and 65.7% vs. 80.6%, p < 0.0001). Older age was more likely to be associated with de novo urgency (p = 0.0022) and nocturia ≥ 2 (p < 0.0001). Adverse events, readmission, and 30-day mortality rates were low. Women, irrespective of age, were equally satisfied if they experienced a decrease of at least one step in leakage frequency.Even if MUS surgery in older women and those with ASA class 3-4 was associated with a lower cure rate and less satisfactory outcome, a majority were satisfied provided they experienced a reduction of incontinence episodes.
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| 2. |
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| 3. |
- Gyhagen, Maria, et al.
(författare)
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Faecal incontinence 20years after one birth: a comparison between vaginal delivery and caesarean section.
- 2014
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Ingår i: International urogynecology journal. - : Springer Science and Business Media LLC. - 1433-3023 .- 0937-3462. ; 25:10, s. 1411-1418
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Tidskriftsartikel (refereegranskat)abstract
- The aetiology of bowel incontinence in middle-aged women is multifactorial and the contribution of birth-related factors later in life is still poorly defined. The aim was to assess prevalence, risk factors and severity of faecal (FI, defined as the involuntary loss of faeces-solid or liquid) and anal incontinence (AI, includes FI as well as the involuntary loss of flatus) 20years after one vaginal (VD) or one caesarean section (CS).
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| 4. |
- Gyhagen, Maria, et al.
(författare)
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Prevalence and risk factors for pelvic organ prolapse 20years after childbirth: a national cohort study in singleton primiparae after vaginal or caesarean delivery.
- 2013
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Ingår i: BJOG : an international journal of obstetrics and gynaecology. - : Wiley. - 1471-0528 .- 1470-0328. ; 120:2, s. 152-60
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Tidskriftsartikel (refereegranskat)abstract
- Please cite this paper as: Gyhagen M, Bullarbo M, Nielsen T, Milsom I. Prevalence and risk factors for pelvic organ prolapse 20years after childbirth: a national cohort study in singleton primiparae after vaginal or caesarean delivery. BJOG 2012; DOI : 10.1111/1471-0528.12020. Objective To investigate prevalence and risk factors for symptomatic pelvic organ prolapse (sPOP) and sPOP concomitant with urinary incontinence (UI) in women 20years after one vaginal delivery or one caesarean delivery. Design Registry-based national cohort study. Setting Women who returned a postal questionnaire in 2008 (response rate 65.2%). Population Singleton primiparae with a birth in 1985-88 and no further births (n=5236). Methods The SWEPOP study used validated questionnaires about sPOP and UI. Main outcome measures Prevalence rate and risk of sPOP with or without concomitant UI. Results Prevalence of sPOP was higher after vaginal delivery compared with caesarean section (14.6 versus 6.3%, odds ratio [OR] 2.55; 95% confidence interval [95% CI] 1.98-3.28) but was not increased after acute compared with elective caesarean section. Episiotomy, vacuum extraction and second-degree or more laceration were not associated with increased risk of sPOP compared with spontaneous vaginal delivery. Symptomatic POP increased 3% (OR 1.03; 95% CI 1.01-1.05) with each unit increase of current BMI and by 3% (OR 1.03; 95% CI 1.02-1.05) for each 100g increase of infant birthweight. Mothers ≤160cm who delivered a child with birthweight ≥4000g had a doubled prevalence of sPOP compared with short mothers who delivered an infant weighing <4000g (24.2 versus 13.4%, OR 2.06; 95% CI 1.19-3.55). Women with sPOP had UI and UI>10years more often than women without prolapse. Conclusion The prevalence of sPOP was doubled after vaginal delivery compared with caesarean section, two decades after one birth. Infant birthweight and current BMI were risk factors for sPOP after vaginal delivery.
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| 5. |
- Gyhagen, Maria, et al.
(författare)
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The prevalence of urinary incontinence 20 years after childbirth: a national cohort study in singleton primiparae after vaginal or caesarean delivery.
- 2013
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Ingår i: BJOG : an international journal of obstetrics and gynaecology. - : Wiley. - 1471-0528 .- 1470-0328. ; 120:2, s. 144-151
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Tidskriftsartikel (refereegranskat)abstract
- Objective To investigate the prevalence and risk factors for urinary incontinence (UI) 20years after one vaginal delivery or one caesarean section. Design Registry-based national cohort study. Setting Women who returned postal questionnaires (response rate 65.2%) in 2008. Population Singleton primiparae who delivered in the period 1985-1988 with no further births (n=5236). Methods The Swedish Pregnancy, Obesity and Pelvic Floor (SWEPOP) study linked Medical Birth Register (MBR) data to a questionnaire about UI. Main outcome measures Prevalence of UI and UI for more than 10years (UI>10years) were assessed 20years after childbirth. Results The prevalence of UI (40.3 versus 28.8%; OR1.67; 95%CI 1.45-1.92) and UI>10years (10.1 versus 3.9%; OR2.75; 95%CI 2.02-3.75) was higher in women after vaginal delivery than after caesarean section. There was no difference in the prevalence of UI or UI>10years after an acute caesarean section or an elective caesarean section. We found an 8% increased risk of UI per current body mass index (BMI) unit, and age at delivery increased the UI risk by 3% annually. Conclusions Two decades after one birth, vaginal delivery was associated with a 67% increased risk of UI, and UI>10years increased by 275% compared with caesarean section. Our data indicate that it is necessary to perform eight or nine caesarean sections to avoid one case of UI. Weight control is an important prophylactic measure to reduce UI. Current BMI was the most important BMI-determinant for UI, which is important, as BMI is modifiable.
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| 6. |
- Larsudd-Kåverud, Jennie, 1982, et al.
(författare)
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The influence of pregnancy, parity, and mode of delivery on urinary incontinence and prolapse surgery-a national register study.
- 2023
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Ingår i: American journal of obstetrics and gynecology. - : Elsevier BV. - 1097-6868 .- 0002-9378. ; 228:1
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Tidskriftsartikel (refereegranskat)abstract
- The long-term effects of vaginal delivery, parity, and pregnancy on the pelvic floor remain uncertain and controversial issues. In comparison with studies using self-reported symptoms, surgical register data may offer a more valid means for evaluating the relative influence of these risk factors.This study used data from 3 high-quality nationwide registers, namely the Swedish National Quality Register of Gynecological Surgery, the Swedish Medical Birth Register, and the Total Population Register, to evaluate the contribution of vaginal and cesarean delivery, parity, and factors not related to childbirth to the long-term risk for reconstructive urogenital surgery.This was a register-based linkage study among women aged ≥45 years who underwent urinary incontinence or prolapse surgery from 2010 to 2017. This surgical cohort was divided into nulliparous women, women with ≥1 cesarean deliveries only, those with ≥1 vaginal deliveries, and according to the number of births. A corresponding reference group was constructed based on women born in 1960 from the Total Population Register (n=2,309,765). The Swedish Medical Birth Register was used to determine the rate of women with cesarean and vaginal delivery and their respective parity. Absolute and relative risk were presented per 1000 women with 95% confidence intervals. Pairwise differences were analyzed with Fisher exact tests and the Mann-Whitney U test for dichotomous and continuous variables. The trend between ≥3 ordered categories of dichotomous variables was analyzed with Mantel-Haenszel statistics.A total of 39,617 women underwent prolapse surgery and 20,488 underwent incontinence surgery. Among women with prolapse surgery, 97.8% had ≥1 vaginal delivery, 0.4% had ≥1 cesarean delivery only, and 1.9% were nullipara. Corresponding figures for those with incontinence surgery were 93.1%, 2.6%, and 4.3%, respectively. Women with vaginal deliveries were overrepresented in the prolapse surgery (relative risk, 1.23; 95% confidence interval, 1.22-1.24; P<.001) and incontinence surgery groups (relative risk, 1.17; 95% confidence interval, 1.15-1.19; P<.001). Nulliparous and cesarean delivered women were underrepresented in the prolapse surgery (relative risk, 0.14; 95% confidence interval, 0.13-0.15 and relative risk 0.055; 95% confidence interval, 0.046-0.065; all P<.001) and incontinence surgery groups (relative risk, 0.31; 95% confidence interval, 0.29-0.33 and relative risk, 0.40; 95% confidence interval, 0.36-0.43). The absolute risk for prolapse surgery was lowest after cesarean delivery (0.09 per 1000 women; 95% confidence interval, 0.08-0.11) and differed by a factor of 23 (absolute risk, 2.11 per 1000 women; 95% confidence interval, 2.09-2.13) from that after vaginal birth. The absolute risk for prolapse and incontinence surgery increased consistently with parity after vaginal births. This trend was not observed after cesarean delivery, which is on par with that of nulliparous women. The first vaginal birth contributed the highest increase in the absolute risk for pelvic organ prolapse surgery (6-fold) and stress urinary incontinence surgery (3-fold). The second vaginal birth contributed the lowest increase in the absolute risk for pelvic organ prolapse surgery (∼1/3 of the first vaginal birth) and for stress urinary incontinence surgery (∼1/10 of the first vaginal birth).Surgery for urinary incontinence and prolapse was almost exclusively related to vaginal parity. The risk for prolapse surgery increased consistently with parity after vaginal births but not after cesarean delivery, whereas the risk associated with cesarean delivery was on par with that of nulliparous women. Thus, cesarean delivery seems to offer protection from the need for pelvic organ prolapse and stress urinary incontinence surgery later in life.
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| 7. |
- Al-Mukhtar Othman, Jwan, 1980, et al.
(författare)
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Childhood nocturnal enuresis-a marker for pelvic floor disorders and urinary tract symptoms in women?
- 2021
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Ingår i: International Urogynecology Journal. - : Springer Science and Business Media LLC. - 0937-3462 .- 1433-3023.
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Tidskriftsartikel (refereegranskat)abstract
- Introduction and hypothesis A systematic survey on the association between childhood nocturnal enuresis (CNE) and adult pelvic floor disorders (PFDs) has not been presented previously. The aim was to describe the prevalence of PFDs and lower urinary tract symptoms in nulliparous women, with or without a history of CNE, at the age of >= 5 years. Methods This national survey of urinary (UI) and fecal incontinence (FI) and symptoms of pelvic organ prolapse (sPOP) was a random sample of 20,000 nulliparous women aged 25-64 years conducted in 2014. Women >= 5 years of age having CNE were compared with those without the condition. Fisher's exact test and logistic regression adjusted for BMI and age were used to analyze differences between groups. Results The response rate was 52% and 10.2% of adult women reporting CNE. One or more PFDs occurred in 38.3% of women with CNE compared to 23.8% in those without CNE (p < 0.0001). Mixed UI had the strongest association with CNE, odds ratio (OR) 2.63 (95% CI 2.03-3.40). The rate of FI was 11.2% in the non-CNE group and 16.8% in those with CNE (p < 0.0001) and sPOP 2.6% in the non-CNE and 4.8% in the CNE group (p = 0.0004), respectively. The prevalence of lower urinary tract symptoms was consistently higher in women with a history of CNE: overactive bladder 32.6% versus 18.4% (OR 2.34 95% CI 2.03-3.40), daytime micturition >= 8/day 29.6% versus 24.0% (p < 0.0001), and nocturia >= 2/night 12.4% versus 7.8% (p < 0.0001) in the CNE group. Conclusion PFDs and lower urinary tract symptoms in nulliparous women were approximately doubled in women with a history of CNE and could therefore act as a strong confounding factor.
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| 8. |
- Al-Mukhtar Othman, Jwan, 1980, et al.
(författare)
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Fecal incontinence in nonpregnant nulliparous women aged 25-64 years - a randomly selected national cohort prevalence study.
- 2021
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Ingår i: American journal of obstetrics and gynecology. - : Elsevier BV. - 1097-6868 .- 0002-9378. ; 226:5
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Tidskriftsartikel (refereegranskat)abstract
- The extent to which fecal incontinence is associated with obstetric history or pelvic floor injuries is still a controversial and unresolved issue. One crucial first step towards answering this question is the need to study fecal incontinence in non-pregnant nulliparous women.Therefore, the aim of this study was to present detailed, descriptive measures of accidental leakage of liquid or solid stool and gas in a randomly selected, large national cohort of non-pregnant nulliparous women aged 25 to 64 years.The Swedish Total Population Register identified the source population. Four independent, age-stratified, simple random samples in a total of 20,000 nulliparous women aged 25-64 years were drawn from 625,810 eligible women. Information was collected in 2014 using postal and web-based questionnaires. The 40-item questionnaire included questions about the presence and frequency of leakage of solid and liquid stool and gas, which provided the basis for the generic terms fecal and anal incontinence. Statistical analyses of differences between groups were performed using Fisher's exact test for dichotomous variables and the Mann-Whitney U-test for continuous variables. The trend between >2 ordered categories of dichotomous variables was analyzed with Mantel-Haenszel statistics. When analyzing the trend between multiple ordered versus non-ordered categorical variables, the Kruskal-Wallis test was used. The age-related probability and risk increase per 10 years for incontinence parameters was calculated from logistic regression models adjusted for body mass index (BMI).The study population was 9197 women, and the response rate was 52.2%, ranging from 44.7% in women aged 25-34 years to 62.4% among those 55-64 years. All types of incontinence, except severe isolated gas incontinence, increased with age up to 64 years. The estimated probability of fecal incontinence was 8.8% at age 25 years and 17.6% at age 64. Leakage of liquid stool was dominant, occurring in 93.1% (95%CI 91.4-94.5) of the women with fecal incontinence, whereas leakage of solid stool occurred in 33.9% (95%CI, 31.1-36.7), of which ∼80% also had concomitant leakage of liquid stool. Leakage of liquid stool increased markedly up to age 65, whereas the increase in isolated leakage of solid stool was negligible across all ages (overall <0.4%). Liquid and solid stool, separate or in combination, co-occurred with gas in ∼80%. The distribution pattern of the different types of leakage, single or combined, was similar in all age groups. Both age and BMI (kg/m2) were risk factors for fecal incontinence (P<0.0001) with an interaction effect of P=0.16.Abnormal stool consistency has been identified as the strongest risk factor for accidental bowel leakage. The same pattern characterized by a dominance of liquid stool and gas leakage, prevalent concomitant leakage of solid and liquid stool, and a negligible rate of isolated leakage of solid feces, was observed across all ages. The low rates of isolated leakage of solid stool support the impression that dysfunction of the continence mechanism of the pelvic floor had a negligible role for bowel incontinence, which is essential information for the comparison with women with birth-related injuries.
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| 9. |
- Al-Mukhtar Othman, Jwan, 1980, et al.
(författare)
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Urinary incontinence in nulliparous women aged 25-64years: a national survey.
- 2017
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Ingår i: American journal of obstetrics and gynecology. - : Elsevier BV. - 1097-6868 .- 0002-9378. ; 2016:2
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Tidskriftsartikel (refereegranskat)abstract
- A systematic survey of pelvic floor disorders in nulliparous women has not been presented previously.The purpose of this study was to determine the prevalence of urinary incontinence parameters in a large cohort of nonpregnant, nulliparous women, and thereby construct a reference group for comparisons with parous women.This postal and World Wide Web-based questionnaire survey was conducted in 2014. The study population was identified from the Total Population Register in Sweden and comprised women who had not given birth and were aged 25-64 years. Four independent age-stratified, random samples comprising 20,000 women were obtained from the total number of eligible nullipara (n= 625,810). A 40-item questionnaire about pelvic floor symptoms, its severity, and its consequences were used. Age-dependent differences for various aspects of urinary incontinence were analyzed with the youngest group (25-34 years) serving as reference. Crude and body mass index-adjusted prevalence and its 95% confidence limits were calculated for each 10-year category.The response rate was 52% and the number of study participants was 9197. Urinary incontinence increased >5-fold from 9.7% in the youngest women with a body mass index <25 kg/m(2) to 48.4% among the oldest women with a body mass index ≥35 kg/m(2). The prevalence of bothersome urinary incontinence almost tripled from 2.8-7.9% among all nulliparas. The proportion with bothersome urinary incontinence among incontinent women increased from 24.4% in the youngest age group to 32.3% in the age group 55-64 years. Nocturia ≥2/night increased 4-fold to 17.0% and leakage ≥1/wk increased 3-fold to 12.8% among the oldest women. Mixed urinary incontinence increased from 22.9-40.9% among the oldest 0-para with incontinence, whereas stress urinary incontinence decreased inversely from 43.6-33.0%. In the total cohort surgical treatment for urinary incontinence occurred in 3 per thousand.Almost every aspect of urinary incontinence was present in nulliparous women of all ages and prevalence increased with advancing age between 25-64 years. This must be taken into account when using nullipara as a control group in comparisons with parous women to estimate the effect of pregnancy and childbirth.
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| 10. |
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| 11. |
- Chapple, C. R., et al.
(författare)
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Consensus Statement of the European Urology Association and the European Urogynaecological Association on the Use of Implanted Materials for Treating Pelvic Organ Prolapse and Stress Urinary Incontinence
- 2017
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Ingår i: European Urology. - : Elsevier BV. - 0302-2838. ; 72:3, s. 424-431
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Tidskriftsartikel (refereegranskat)abstract
- Context: Surgical nonautologous meshes have been used for several decades to repair abdominal wall herniae. Implantable materials have been adopted for the treatment of female and male stress urinary incontinence (SUI) and female pelvic organ prolapse (POP). Objective: A consensus review of existing data based on published meta-analyses and reviews. Evidence acquisition: This document summarises the deliberations of a consensus group meeting convened by the European Association of Urology (EAU) and the European Urogynecological Association, to explore the current evidence relating to the use of polypropylene (PP) materials used for the treatment of SUI and POP, with reference to the 2016 EAU guidelines (European Association of Urology 2016), the European Commission's SCENIHR report on the use of surgical meshes (SCENIHR 2015), other available high-quality evidence, guidelines, and national recommendations. Evidence synthesis: Current data suggest that the use of nonautologous durable materials in surgery has well-established benefits but significant risks, which are specific to the condition and location they are used for. Various graft-related complications have been described-such as infection, chronic pain including dyspareunia, exposure in the vagina, shrinkage, erosion into other organs of xenografts, synthetic PP tapes (used in SUI), and meshes (used in POP)-which differ from the complications seen with abdominal herniae. Conclusions: When considering surgery for SUI, it is essential to evaluate the available options, which may include synthetic midurethral slings (MUSs) using PP tapes, bulking agents, colposuspension, and autologous sling surgery. The use of synthetic MUSs for surgical treatment of SUI in both male and female patients has good efficacy and acceptable morbidity. Synthetic mesh for POP should be used only in complex cases with recurrent prolapse in the same compartment and restricted to those surgeons with appropriate training who are working in multidisciplinary referral centres. Patient summary: Synthetic slings can be safely used in the surgical treatment of stress incontinence in both male and female patients. Patients need to be aware of the alternative therapy and potential risks and complications of this therapy. Synthetic mesh for treating prolapse should be used only in complex cases with recurrent prolapse in specialist referral centres.
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| 12. |
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| 13. |
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| 14. |
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| 15. |
- Gyhagen, Maria, et al.
(författare)
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Clustering of pelvic floor disorders 20years after one vaginal or one cesarean birth.
- 2015
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Ingår i: International urogynecology journal. - : Springer Science and Business Media LLC. - 1433-3023 .- 0937-3462. ; 26:8, s. 1115-1121
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Tidskriftsartikel (refereegranskat)abstract
- The objective was to assess the prevalence and risk factors for co-occurring pelvic floor disorders (PFDs): urinary incontinence (UI), symptomatic pelvic organ prolapse (sPOP), and fecal incontinence (FI), 20years after one vaginal (VD) or one cesarean (CS) delivery.
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| 16. |
- Gyhagen, Maria
(författare)
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Long-term consequences of vaginal delivery on the pelvic floor. A comparison with caesarean section in one-para women
- 2013
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Abstract Long-term consequences of vaginal delivery on the pelvic floor: A comparison with caesarean section in one-parae women Urinary incontinence (UI), symptomatic pelvic organ prolapse (sPOP), and faecal and anal incontinence (FI and AI) are the three major sequelae of childbirth. It has as yet not been finally settled whether in the long term vaginal delivery (VD) is detrimental to pelvic floor function in comparison to caesarean section (CS). The aim of this thesis was to study the influence of childbirth on the long-term prevalence of these pelvic floor disorders (PFD) and their putative obstetric and non-obstetric risk factors by comparing two large cohorts of women after one VD compared to one CS in 2008, 20 years after childbirth. This national cohort study included 5236 one-parae women who gave birth in 1985-1988 and returned a questionnaire on PFD in 2008. Self-reported information was linked to obstetric data from the Swedish Medical Birth Register. The prevalence of UI; UI for more than 10 years; subtypes of UI; severe, significant and bothersome UI; sPOP; AI, severe AI; FI; were consistently higher after VD compared to CS. After one VD the prevalence of FI increased by about 4%, UI by 12% and sPOP by about 8%, compared to one CS. After a VD women with sPOP had an almost tripled prevalence of UI compared with CS. A ≥2nd degree perineal tear was associated with an almost doubled prevalence of FI. Episiotomy during VD was protective for FI. BMI was second to VD the most important risk factor for PFD, which is important since it is modifiable. In conclusion, one single VD was associated with an increased prevalence of all three of the most important pelvic floor disorders - UI, sPOP, and FI - 20 years after giving birth to one child. Key-words; Vaginal delivery, caesarean section, urinary incontinence, subtypes, bothersome, severity, pelvic organ prolapse, anal incontinence, faecal incontinence, long-term, epidemiology, body mass index, episiotomy, perineal tear. ISBN 978-91-628-8594-6 http://hdl.handle.net/2077/31701
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| 17. |
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| 18. |
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| 19. |
- Gyhagen, Maria, et al.
(författare)
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Temporal trends in obstetric anal sphincter injury from the first vaginal delivery in Austria, Canada, Norway, and Sweden
- 2021
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Ingår i: Acta Obstetricia Et Gynecologica Scandinavica. - : Wiley. - 0001-6349 .- 1600-0412. ; 100:11, s. 1969-1976
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Tidskriftsartikel (refereegranskat)abstract
- Introduction Obstetric anal sphincter injuries (OASI) are severe complications that can cause considerable short- and long-term morbidity. Austria, Canada, Norway, and Sweden have similar socio-economic characteristics, and all four countries have access to national birth registers. In this study, we hypothesized that the incidence of OASI should be very similar for different obstetric scenarios in these four countries. Therefore, the aim was to compare the incidence of OASI in these four countries in primiparous women, with spontaneous or instrumental delivery (vacuum or forceps), and in women with a first vaginal birth after cesarean section (VBAC). Material and methods Aggregated data on 1 933 930 vaginally delivered primiparous women and women with VBAC were retrieved from the birth registers gathered in Austria, Canada, Norway, and Sweden. The annual rate of OASI (ICD-10 codes O70.2-O70.3) was presented as the percentage of women with a spontaneous delivery, vacuum or forceps delivery, and a VBAC during the period 2004-2016. Results The incidence of OASI varied considerably between countries and over time. Canada and Sweden had the highest rates, and Austria and Norway the lowest. In Norway, the rate of OASI decreased consistently for all types of deliveries after introducing a perineal protection program in 2004 (p < 0.001). During vacuum delivery, the incidence of OASI varied between countries from 4.1% to 15.5% across the study period. In Canada and Norway, the rate of OASI after a forceps delivery was similar in 2004 at similar to 20% and with differing trajectories to 24.3% (beta 0.49) and 6.2% (beta -1.15) (trend, all p < 0.001) in 2016. Conclusions This comparative register study suggests that there may be considerable potential for lowering the incidence of OASI. The perineal protection program implemented by Norway has been successful. Each country should critically, without prejudice, analyze their current clinical practices and rate of OASI and consider the best preventive strategy.
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| 20. |
- Gyhagen, Maria, et al.
(författare)
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The effect of childbirth on urinary incontinence: a matched cohort study in women aged 40-64 years
- 2019
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Ingår i: American Journal of Obstetrics and Gynecology. - : Elsevier BV. - 0002-9378. ; 221:4
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: The relative impact of age, pregnancy and vaginal delivery on urinary incontinence is still an unresolved issue that involves the controversial question about the protective effect of cesarean delivery. OBJECTIVE: The purpose of this study was to estimate and compare the effect size of 1 pregnancy, 1 vaginal delivery, and the derived protective effect of cesarean delivery for different aspects of urinary incontinence in women 40-64 years old, all 20 years after birth. STUDY DESIGN: This Swedish nationwide matched cohort study involved 14,335 women. Data from 3 restricted, randomly selected, source cohorts of (1) nulliparous women who were unexposed to childbirth (n = 9136), (2) primiparous women who had experienced cesarean delivery and who had been exposed to 1 pregnancy (n = 1412), and (3) primiparous women who had been exposed to 1 pregnancy followed by vaginal delivery (n = 3787) were retrieved from The Swedish Medical Birth Register and Statistics Sweden and surveyed in 2008 and 2014, respectively. Parous women were all assessed 20 years postnatally. One-to-one matching with an interval for pairing of 3 years and 3 body mass index units was used in women 40-64 years old with information about body mass index (kilograms/square meters) and urinary incontinence. The procedure succeeded in 2630 of 2635 women (99.8%) and resulted in an adequate distribution of age and body mass index between groups. The surveys used a postal- and an internet-based questionnaire with validated questions for various aspects of urinary incontinence. Fisher's exact test and the Mann-Whitney U test were used for comparisons between matched groups; trend was analyzed with Mantel-Haenszel statistics. Predicted, age-related values of different aspects of urinary incontinence were obtained by logistic regression analysis. RESULTS: Pregnancy increased the prevalence of urinary incontinence from 20.1-30.1% (odds ratio, 1.71; 95% confidence interval, 1.43-2.05; P<.0001]. Urinary incontinence increased further after vaginal delivery to 43.0% (odds ratio, 1.75; 95% confidence interval, 1.49-2.05; P<.0001); "moderate" and "severe" urinary incontinence increased from 12.7-19.5% (odds ratio, 1.67; 95% confidence interval, 1.35-2.07; P<.0001). There was a parallel increase in urinary incontinence from 40-65 years of age in nulliparous and vaginally and cesarean delivered women. Cesarean delivery, compared with vaginal delivery, was associated with a 30.0% reduction of urinary incontinence (P<.0001) and a 35-52% reduction of more severe grades of urinary incontinence (P<.0001) and was unaffected by age. CONCLUSION: Both pregnancy and vaginal delivery incurred an increased risk of urinary incontinence in the long term. The age-related gap for urinary incontinence between nulliparous and primiparous women who were delivered by vaginal delivery or cesarean delivery was constant between parallel trajectories that spanned ages from 40-64 years. The calculated protective effect of cesarean delivery was unaltered and significant during the same age interval.
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| 21. |
- Gyhagen, Maria, et al.
(författare)
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The Epidemiology of Urinary Incontinence, other Lower Urinary Tract Symptoms, and Pelvic Organ Prolapse
- 2023
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Ingår i: Textbook of Female Urology and Urogynecology: Clinical Perspectives. - 9781000631210 ; , s. 17-25
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Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
- Urinary incontinence (UI) and other lower urinary tract symptoms (LUTS) as well as other forms of pelvic floor dysfunction such as pelvic organ prolapse are highly prevalent conditions with a profound influence on well-being and quality of life. The first delivery is considered to increase the prevalence of UI the most, and recent studies have demonstrated a further increase for each delivery. In recent years, several epidemiological studies have also been conducted in order to better understand the prevalence and the impact of overactive bladder and other LUTS. The main outcome measures were: prevalence of urinary frequency, urgency, and urge incontinence; proportion of participants who had sought medical advice for overactive bladder symptoms; and current or previous therapy received for these symptoms.
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| 22. |
- Gyhagen, Maria, et al.
(författare)
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The symptom of vaginal bulging in nulliparous women aged 25-64years: a national cohort study.
- 2019
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Ingår i: International Urogynecology Journal. - : Springer Science and Business Media LLC. - 0937-3462 .- 1433-3023. ; 30:4, s. 639-647
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Tidskriftsartikel (refereegranskat)abstract
- Vaginal bulging is considered the key symptom for genital organ prolapse. The aim was to investigate the age-related prevalence and frequency of symptomatic pelvic organ prolapse (sPOP) and other pelvic floor symptoms in nonpregnant nullipara aged 25-64years.This national postal and web-based questionnaire survey was conducted in 2014 and included four independent random samples of women aged 25-34, 35-44, 45-54, and 55-64years. The association of sPOP with demographics and with other pelvic floor conditions and with clustering to other pelvic floor conditions, was presented in women with and without sPOP. Logistic regression was used to identify and rank variables associated with symptomatic prolapse.The response rate was 52% (n=10,187) and 726 nullipara confirmed sPOP. Women with sPOP were younger (p<0.001), shorter (p<0.001), and more often overweight and obese (p<0.01) compared with asymptomatic women. Previous surgery for prolapse was reported by 15 women only (0.16%). Symptomatic POP decreased from 9.8% in the youngest age group (25-34years) to 6.1% in the oldest (55-64years) (p<0.0001). Symptomatic POP was more often experienced as bothersome (p=0.012), and aggravated by straining and heavy lifting (p=0.003), in older women. Vaginal/vulval chafing/rubbing feeling was most prevalent among the youngest 14.2%, decreasing to 7.8% among the oldest (<0.0001). This symptom occurred three to five times more often in those with sPOP (p<0.0001). Clustering of pelvic floor symptoms was four times more prevalent in women with sPOP (23.2% versus 6.1%) (p<0.0001).The high prevalence of sPOP in this study was contradictory to most earlier reports, which have shown that genital prolapse is rare in nullipara. The explanation of our results may be the low probability of the clinical condition, the dominance of weak and infrequent symptoms, and not least clustering of alternative conditions mimicking sPOP.
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| 23. |
- Jelovsek, J Eric, et al.
(författare)
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Predicting Risk of Pelvic Floor Disorders 12 and 20 Years after Delivery.
- 2018
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Ingår i: American journal of obstetrics and gynecology. - : Elsevier BV. - 1097-6868 .- 0002-9378. ; 218:2
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Tidskriftsartikel (refereegranskat)abstract
- Little progress has been made in preventing pelvic floor disorders despite their significant health and economic impact. Identifying women at risk remains a key element in targeting prevention and planning health resource allocation strategies. Although events around the time of childbirth are clinically recognized as important predictors, it is difficult to counsel women and intervene around the time of childbirth due to an inability to accurately convey a patient's risk in the presence of multiple risk factors and the long time lapse, often decades, between obstetric events and the onset of pelvic floor disorders later in life. Prediction models and scoring systems have been used in other areas of medicine to identify patients at risk for chronic diseases. Models have been developed for use before delivery that predict short-term risk of pelvic floor disorders after childbirth but no models predicting long-term risk exist.To use variables known before and during childbirth to develop and validate prognostic models estimating risks of these disorders 12 and 20 years after delivery.Obstetric variables were collected from two cohorts: 1) women who gave birth in the United Kingdom and New Zealand (n=3763) and 2) women from the Swedish Medical Birth Register (n=4991). Pelvic floor disorders were self-reported 12 years after childbirth in the UK/NZ cohort and 20 years after childbirth in the Swedish Register. The cohorts were split so that data during the first half of the cohort's time period were used to fit prediction models and validation was performed from the second half (temporal validation). As there is currently no consensus on how to best define pelvic floor disorders from a patient's perspective, we chose to fit the data for each model using multiple outcome definitions for prolapse, urinary incontinence, fecal incontinence, 1 or more pelvic floor disorder and 2 or more pelvic floor disorders. Model accuracy was measured: 1) by ranking an individual's risk among all subjects in the cohort (discrimination) using a concordance index and 2) by observing whether the predicted probability was too high or low (calibration) at a range of predicted probabilities using visual plots.Models were able to discriminate between women who developed bothersome symptoms or received treatment, at 12 and 20 years respectively, for: pelvic organ prolapse (concordance indices 0.570, 0.627), urinary incontinence (concordance indices 0.653, 0.689), fecal incontinence (concordance indices 0.618, 0.676), ≥1 pelvic floor disorders (concordance indices 0.639, 0.675) and ≥2 pelvic floor disorders (concordance indices 0.635, 0.619). The discriminatory ability of all models is shown in Table 2. Route of delivery and family history of each pelvic floor disorder were strong predictors in most models. Urinary incontinence before and during the index pregnancy was a strong predictor for developing all pelvic floor disorders in most models 12 years after delivery. The 12 and 20-year bothersome or treatment for prolapse models were accurate when providing predictions for risk from 0% to approximately 15%. The 12-year and 20-year primiparous model began to over-predict when risk rates reached 20%. When predicting bothersome symptoms or treatment for urinary incontinence, the 12-year models were accurate when predictions ranged from approximately 5% to 60% and 20-year primiparous models were accurate between 5% and 80%. For bothersome symptoms or treatment for fecal incontinence, the 12 and 20-year models were accurate between 1% and 15% risk and began to over-predict at rates above 15% and 20%, respectively.Models may provide an opportunity before birth to identify women at low risk of developing pelvic floor disorders and institute prevention strategies such as pelvic floor muscle training, weight control or elective cesarean section for women at higher risk. Models are provided at: http://riskcalc.org/UR_CHOICE/.
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| 24. |
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| 25. |
- Milsom, Ian, 1950, et al.
(författare)
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Breaking news in the prediction of pelvic floor disorders.
- 2019
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Ingår i: Best practice & research. Clinical obstetrics & gynaecology. - : Elsevier BV. - 1532-1932 .- 1521-6934. ; 54, s. 41-48
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Forskningsöversikt (refereegranskat)abstract
- Urinary incontinence (UI) and fecal incontinence (FI) together with pelvic organ prolapse (POP) constitute a huge global health problem affecting millions of women throughout the world. These pelvic floor disorders (PFDs) can have a negative influence on a woman's well-being, quality of life, and sexual function and prevent many women from participating in recreational and sporting activities. The global costs of PFDs to health care systems and society are enormous and approximately one in five women will undergo surgery for genital prolapse or UI by the age of 85 years.
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| 26. |
- Milsom, Ian, 1950, et al.
(författare)
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Does the climacteric influence the prevalence, incidence and type of urinary incontinence?
- 2023
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Ingår i: Climacteric. - : Informa UK Limited. - 1369-7137 .- 1473-0804. ; 26:2, s. 75-79
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Forskningsöversikt (refereegranskat)abstract
- Divergent opinions have been reported in the literature regarding the influence of the climacteric on the prevalence, incidence and types of urinary incontinence. In addition, the influence of hormonal therapy in the climacteric (HRT) on the occurrence of urinary incontinence in the perimenopausal period has been the subject of much discussion. This review evaluates the current literature regarding any possible association between the climacteric and the prevalence, incidence and types of urinary incontinence as well as illustrating the possible influence of HRT on urinary incontinence. Urinary incontinence is more common in women than in men and there is evidence to suggest that the prevalence of urinary incontinence in women increases in a linear fashion with age. There is no conclusive evidence to support a specific increase in the prevalence of urinary incontinence at the time of the menopause. Stress urinary incontinence is more common in premenopausal women and urgency urinary incontinence and mixed incontinence are more common in postmenopausal women. Women receiving systemic estrogen, with or without progestogen, are more likely to develop or experience worsening of incontinence
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| 27. |
- Milsom, Ian, 1950, et al.
(författare)
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The prevalence of urinary incontinence
- 2019
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Ingår i: Climacteric. - : Informa UK Limited. - 1369-7137 .- 1473-0804. ; 22:3, s. 217-222
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Forskningsöversikt (refereegranskat)abstract
- The reported prevalence of urinary incontinence (UI) among women varies widely in different studies due to the use of different definitions, the heterogenicity of different study populations, and population sampling procedures. Population studies from numerous countries have reported that the prevalence of UI ranged from approximately 5% to 70%, with most studies reporting a prevalence of any UI in the range of 25-45%. Prevalence figures increase with increasing age, and in women aged 70years more than 40% of the female population is affected. Prevalence rates are even higher in the elderly-elderly and amongst nursing home patients. There are only a few studies describing progression as well as remission of UI in the general population as well as in selected groups of the population. The mean annual incidence of UI has been reported to range from 1% to 9%, while estimates of remission are more varying, from 4% to 30%. The prevalence of UI is strongly related to the age of the woman and thus, due to the increase in mean life expectancy, the overall prevalence of UI in women is expected to increase in the future.
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| 28. |
- Nilsson, Ida E K, et al.
(författare)
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Severity and impact of accidental bowel leakage two decades after no, one, or two sphincter injuries.
- 2023
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Ingår i: American journal of obstetrics and gynecology. - : Elsevier BV. - 1097-6868 .- 0002-9378. ; 228:4
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Information about the long-term severity and subjective impact of anal incontinence in women after 1 or 2 consecutive obstetrical anal sphincter injuries is still scarce and contradictory.This study aimed to describe the severity and impact of anal incontinence among women with 2 previous deliveries 2 decades after birth and to analyze the relative effect of 1 vs 2 obstetrical anal sphincter injuries in comparison with no obstetrical anal sphincter injuries and the possible influence of obstetrical anal sphincter injury on other pelvic floor disorders.We linked prospectively registered data in the Swedish Medical Birth Register with information from a postal and web-based questionnaire in 2015. Statistics Sweden identified women with 2 vaginal births from 1992 to 1998, and a simple random sample of 11,000 women was drawn from a source cohort of 64,687 women. To achieve equal-sized groups of women with 1 or 2 obstetrical anal sphincter injuries, the latter group was oversampled from 1987 to 2000. The final study cohorts consisted of 6760 women with no obstetrical anal sphincter injury, 357 women with 1 injury, and 324 women with 2 obstetrical anal sphincter injuries. Third- and fourth-degree perineal tears were grouped together for analysis. Anal incontinence was defined as either fecal or isolated gas incontinence, and fecal incontinence was defined as involuntary leakage of solid or liquid stool with or without concomitant gas. Frequencies of leakage of stool and gas were dichotomized into low frequency (less than once a month) and high frequency (several times a month or more often). Pairwise comparisons were analyzed using Fisher exact tests, Mantel-Haenszel statistics, and the Mann-Whitney U test. Trends were analyzed using Mantel-Haenszel statistics and the Spearman rank correlation test. Logistic regression models were used to obtain the age- and body-mass-index -adjusted odds ratios for outcomes. Statistical significance was set at P<.05.The response rate was 65.5% in the randomly selected cohort and 70.1% among women with 2 obstetrical anal sphincter injuries. Bothersome fecal incontinence occurred in 3.3% (212/6458) of women without obstetrical anal sphincter injury, in 10.4% (36/345) (adjusted odds ratio, 3.25; 95% confidence interval, 2.23-4.73) of those with 1 injury, and in 16.5% (52/315) (adjusted odds ratio, 5.16; 95% confidence interval, 3.69-7.22) of those with 2 obstetrical anal sphincter injuries (trend P<.0001). Fecal incontinence was perceived as bothersome in 28.2% (212/753) of women without an obstetrical anal sphincter injury compared with in 43.9% (36/82) and 46.0% (52/113) of those with 1 or 2 obstetrical anal sphincter injuries (trend P<.0001). Leakage of liquid stool occurred in 10.8% (724/6717) of those without injury, in 21.7% (77/355) of women with 1 injury, and 34.9% (113/324) of women with 2 obstetrical anal sphincter injuries (trend P<.0001). Incontinence affecting daily life was reported by 8.6% (577/6672) of women without injury and by 19.7% (69/351) and 29.6% (96/324) of women with 1 and 2 sphincter injuries, respectively (trend P<.0001). The mean Jorge-Wexner score was 2.44, 3.26, and 3.88 for women with no, 1, or 2 sphincter injuries (trend P<.0001). Among women with a Jorge-Wexner score of 6, >50% had bothersome anal incontinence. The adjusted odds ratio for the overall effect of 1 vs 2 obstetrical anal sphincter injuries on measures of anal incontinence was 2.19 (95% confidence interval, 1.68-2.85) and 3.91 (95% confidence interval, 3.06-5.00), respectively, when compared with no obstetrical anal sphincter injury (both P<.0001). Having 1 or 2 obstetrical anal sphincter injuries had no significant effect on other pelvic floor disorders or on lower urinary tract symptoms (P=.73 and P=.69).A consistent additive effect of 1 or 2 sphincter injuries on the severity and impact of anal incontinence was observed in women 2 decades after 2 vaginal births. This information is important for healthcare economics, clinical practice, and policy.
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| 29. |
- Nilsson, Ida, et al.
(författare)
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Long-term effects of vacuum extraction on pelvic floor function: a cohort study in primipara.
- 2016
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Ingår i: International urogynecology journal. - : Springer Science and Business Media LLC. - 1433-3023 .- 0937-3462. ; 27:7, s. 1051-1056
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Tidskriftsartikel (refereegranskat)abstract
- We describe the prevalence of symptomatic pelvic organ prolapse (sPOP), urinary incontinence (UI), fecal incontinence (FI) and obstetric anal sphincter injury (OASI) 20years after one vacuum extraction (VE) delivery compared with one spontaneous vaginal delivery (SVD) or one acute caesarean section (ACS).
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| 30. |
- Nilsson, Ida, et al.
(författare)
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Symptoms of fecal incontinence two decades after no, one, or two obstetrical anal sphincter injuries
- 2021
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Ingår i: American Journal of Obstetrics and Gynecology. - : Elsevier BV. - 0002-9378 .- 1097-6868. ; 224:3
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Tidskriftsartikel (refereegranskat)abstract
- © 2020 Elsevier Inc. Background: The long-term effects of 1 or 2 consecutive obstetrical anal sphincter injuries on bowel continence are still inadequately investigated, and published results remain contradictory. Objective: This study aimed to present detailed descriptive measures of the current bowel incontinence 20 years after the first birth in women who had 2 vaginal deliveries with and without sphincter injuries. Study Design: Birth register data were used prospectively and linked to information from a questionnaire survey about current symptoms. Women with 2 singleton vaginal births, from 1992 to 1998, and no further births were retrieved and surveyed by the Swedish Medical Birth Register and Statistics Sweden in 2015. A simple random sample of 11,000 women was drawn from a source cohort of 64,687 women. The cumulative effect was studied in all women with a repeat sphincter injury from 1987 to 2000. Postal and web-based questionnaires were used. The study population consisted of 6760 women with no sphincter injury, 357 with 1 sphincter injury, and 324 women with 2 sphincter injuries. Women with 2 deliveries without sphincter injuries aged 40 to 60 years as reference, were compared with those of women that sustained 1 or 2 consecutive sphincter injuries. Here, third- and fourth-degree perineal tears were presented as 1 group. Fecal incontinence was defined as current involuntary leakage of solid or liquid stool, with and without concomitant leakage of gas. The Fisher exact test and the Mann-Whitney U test were used to compare the results of the 2 groups. The trend was analyzed using the Mantel-Haenszel statistics. Logistic regression models obtained the estimated age-related probability of fecal incontinence components. Results: The risk of sphincter injury at first delivery was 3.9%, and the risk of a repeat sphincter injury was 10.0% (odds ratio, 2.70; 95% confidence interval, 1.80–4.07). The overall prevalence of fecal incontinence in women without sphincter injuries was 11.7%, which doubled to 23.8% (odds ratio, 2.27; 95% confidence interval, 1.75–2.94) in those with 1 sphincter injury and more than tripled to 36.1% (odds ratio, 3.97; 95% confidence interval, 3.11–5.07) after 2 sphincter injuries (trend P<.0001). The proportion of women with severe fecal incontinence increased 3-fold and 5-fold from 1.8% after no obstetrical anal sphincter injury to 5.4% (95% confidence interval, 3.3–8.2) and 9.0% (95% confidence interval, 6.1–12.6) after 1 or 2 obstetrical anal sphincter injuries, respectively (trend P<.0001). In women without sphincter injuries, the estimated probability of fecal incontinence increased from 7.0% at the age of 40 years to 19.8% at the age of 60 years. In contrast, in women with 1 or 2 sphincter injuries, the estimated probability of fecal incontinence increased from 26.1% and 33.3%, respectively, at the age of 40 years to 36.8% and 48.8% at the age of 60 years. The prevalence of fecal incontinence increased after 52 years of age in women with 1 or 2 sphincter injuries. The dominant types of leakage in women with fecal incontinence were the combination of liquid stool and gas, and the triple combination consisting of solid and liquid stools and gas. The triple combination increased from 18.9% in those without sphincter injury to 28.2% in women with 2 injuries (trend P=.0204). Conclusion: The risk of sustaining a repeat sphincter injury at the second delivery was almost tripled compared with the risk at the first delivery. Furthermore, 1 or 2 sphincter injuries brought severe long-term consequences for bowel continence. Accidental leakage of stool and gas increased with each sphincter injury, and the effect was proportionally cumulative. After the age of 52 years, the prevalence of fecal incontinence seemed to accelerate.
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| 31. |
- Robinson, Dudley, et al.
(författare)
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Prevalence and predictors of overactive bladder in nonpregnant nulliparous women below 65years of age.
- 2018
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Ingår i: International urogynecology journal. - : Springer Science and Business Media LLC. - 1433-3023 .- 0937-3462. ; 29:4, s. 531-537
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Tidskriftsartikel (refereegranskat)abstract
- The aetiology of the overactive bladder (OAB) symptom complex is still poorly understood. In order to obtain further insight, the prevalence and predictors of the symptoms included in OAB, that is urgency, urgency incontinence (UUI), frequency and nocturia, were investigated in a sample of nonpregnant nulliparous women.A national, postal and web-based survey of OAB symptoms was conducted in women aged 25-64years (n=9,197). Crude prevalence and prevalence adjusted according to body mass index (BMI) were calculated from a logistic regression model to evaluate the prevalence of OAB.The response rate was 52%. The prevalence of urgency, bothersome urgency, UUI, and nocturia, but not daytime frequency, increased consistently with advancing age and increasing BMI. Urgency was associated with BMI, age ≥45years, nocturia, and daytime frequency of eight or more micturitions. Daytime urinary micturition frequency was not affected by age either in women with OAB or in women without OAB. Bothersome OAB affected almost half of the woman in the oldest age group and was strongly associated with nocturia of two or more micturitions and OAB with UUI.There were contrasting changes in the prevalence of the different symptoms included in OAB. With increasing age and BMI, the prevalence of nocturia, urgency and UUI increased, while daytime frequency remained stable. These findings are of importance as the primary endpoint for the evaluation of drug therapies for OAB has often been daytime urinary frequency.
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| 32. |
- Åkervall, Sigvard, et al.
(författare)
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Symptomatic pelvic organ prolapse in middle-aged women: a national matched cohort study on the influence of childbirth
- 2020
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Ingår i: American Journal of Obstetrics and Gynecology. - : Elsevier BV. - 0002-9378 .- 1097-6868. ; 222:4
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Tidskriftsartikel (refereegranskat)abstract
- © 2019 Elsevier Inc. Background: The relative impact of age, pregnancy, and vaginal delivery on symptomatic pelvic organ prolapse is still an unresolved issue that involves the controversial question about the protective effect of cesarean section. Objective: The purpose of this study was to compare the age-related prevalence of symptomatic genital prolapse in nulliparous, vaginal- and cesarean-delivered women aged 40–64 years. Study Design: This Swedish, nationwide matched cohort study involved 14,335 women. Three restricted, randomly selected source cohorts of women (nulliparous women unexposed to childbirth [n = 9136], 1-para cesarean delivered women, exposed to 1 pregnancy [n = 1412], and 1-para women exposed to 1 pregnancy followed by vaginal delivery [n = 3787]) were retrieved from the Swedish Medical Birth Register and Statistics Sweden and surveyed in 2008 and 2014. The surveys used a postal and Internet-based questionnaire containing validated questions for pelvic floor disorders. Symptomatic prolapse was defined by the question, “Do you have a sensation of tissue protrusion (a vaginal bulge) from your vagina?” In this study the symptom frequencies, sometimes and often, were defined as a positive response. Parous women were all assessed 20 years postnatally. One-to-one matching with an age interval for pairing of 3 years and 3 units of body mass index (kilograms per square meter) was used in women aged 40–64 years. The procedure succeeded in 2635 of 2640 women (99.8%), resulting in an adequate distribution of age and body mass index (kilograms per square meter) between matched groups. For comparison between groups, a Fisher exact test was used for categorical variables and the Mann-Whitney U test for continuous variables. Trend between matched groups was analyzed with Mantel-Haenszel statistics. Estimated, age-related values of symptomatic prolapse were obtained by logistic regression analysis. Results: In nulliparous and cesarean-delivered women, the prevalence of symptomatic prolapse was relatively similar and below 5% across ages 40–64 years. In contrast, in women after vaginal delivery, there was an accelerating increase in the prevalence of symptomatic genital prolapse up to 65 years of age. Estimated probability from the regression model increased 4-fold, from 3.8% at 40 years to 13.4% at 64 years of age. The observed induction period associated with 1 vaginal delivery seemed to be at least 20 years among women giving birth in their early 20s. At age 64 years, the estimated probability of symptomatic prolapse was 12 times higher after vaginal delivery compared with cesarean deliery (13.4% [95% confidence interval, 9.4–18.9] vs 1.1% [95% confidence interval, 0.4–2.5], P < .0001). The calculated reduction of symptomatic prolapse by cesarean delivery at 64 years of age was thus 92%. Conclusion: In this national matched cohort study, the interaction between vaginal delivery and aging was the most important factor for the occurrence of symptomatic prolapse. Because the effect of aging can be modified only to a small extent, preventive strategies for genital prolapse should focus on how to avoid the adverse events related to a vaginal delivery.
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