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21.
  • Danielson, Johan, 1975-, et al. (författare)
  • Injectable bulking treatment of persistent fecal incontinence in adult patients after anorectal malformations
  • 2020
  • Ingår i: Journal of Pediatric Surgery. - W B SAUNDERS CO-ELSEVIER INC. - 0022-3468 .- 1531-5037. ; 55:3, s. 397-402
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Background/Purpose: Injectable bulking therapy has emerged as a treatment for fecal incontinence (IT, however there are no studies including adult patients with anorectal malformations (ARM). This study aimed to evaluate non-animal stabilized hyaluronic add with dextranomer (NASHA/Dx) for the treatment of adult ARM patients with persistent FI.</p><p>Methods: Seven adults with ARM and incontinence to loose stool at least once weekly and without rectal or mucosal prolapse were treated with anal NASHA/Dx injection. They were evaluated preoperatively, at 6 and 18 months with a bowel function questionnaire and a 2-week bowel diary as well as FTQL and SF-36 quality of life questionnaires.</p><p>Results: Before treatment, the mean number of incontinence episodes over 2 weeks was 20.7 (median 16, range 8-52). At 6 months, the corresponding figures were 53 (median 4, range 0-19, p = 0.018), and at 18 months the figures were 4.3 (median 2, range 1-20,p = 0.018). An improved physical function in SF-36 from 74.3 at baseline to 86.4 at 6 months was noted (p = 0.04). No serious adverse events occurred.</p><p>Conclusions: NASHA/Dx is a promising treatment option for selected adult patients with persistent Ft after ARM. Longer follow up of larger patient series and studies on patients in adolescence is needed. </p>
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22.
  • Danielson, Johan, 1975-, et al. (författare)
  • Long-Term Outcome after Dynamic Graciloplasty for Treatment of Persistent Fecal Incontinence in Patients with Anorectal Malformations
  • 2019
  • Ingår i: European journal of pediatric surgery. - GEORG THIEME VERLAG KG. - 0939-7248 .- 1439-359X. ; 29:3, s. 276-281
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Purpose Dynamic graciloplasty (DGP) has been used to treat severe fecal incontinence since the 1980s. Previous studies have shown an inferior outcome in patients with anorectal malformations (ARMs). Our experience has been that DGP has been appreciated by ARM -patients. The objective of the study was to evaluate the long-term outcome of DGP in our patients with ARM compared with patients with other underlying conditions. Materials and Methods Twenty-three patients operated with DGP at our institution from 1996 to 2010 were sent validated bowel function and quality of life questionnaires. Eighteen of 23 responded. Seven had ARM and 11 had other etiologies of fecal incontinence. The mean follow-up time was 11.6 years (range, 5-17). Results Four of 7 of the patients with ARM and 8 of 11 of patients with other etiologies used their implants at follow-up. The Miller incontinence score was slightly higher for patients with ARMs, but they had less constipation and higher Fecal Incontinence Quality of Life (FIQL)- and 36-Item Short Form Health Survey (SF-36) scores. None of the differences were statistically significant. Conclusion This study cannot confirm earlier reports in which DGP has an inferior outcome in patients with ARM. We therefore believe that the procedure should remain a treatment option for selected patients.</p>
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23.
  • Danielson, Johan, et al. (författare)
  • Long-term outcome after free autogenous muscle transplantation for anal incontinence in children with anorectal malformations
  • 2010
  • Ingår i: Journal of Pediatric Surgery. - 0022-3468 .- 1531-5037. ; 45:10, s. 2036-2040
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>PURPOSE: Patients with high anorectal anomalies are often incontinent after reconstruction, particularly with the older forms of surgical treatment, that is, anorectal pull-through or Stephen's operations. In 1974, a new treatment for anal incontinence in children was introduced at the Akademiska Hospital: free autogenous muscle transplantation (FAMT) to the perirectal area. All the patients receiving FAMT were totally incontinent before the procedure and had no rectal sensitivity. The aim of this study was to evaluate the long-term functional outcome of this procedure. METHODS: Twenty-two patients (17 males) operated on with FAMT below the age of 15 years were identified through records. One of the patients had died, and 2 were not available for follow-up. The remaining 19 were sent a validated bowel function questionnaire, and 15 (78.9%) of 19 patients responded (12 males). These 15 patients were compared with 15 patients with the same sex, age, and a similar malformation from our patient database. RESULTS: At follow-up, after an average of 30 years postoperatively, 2 of 15 patients with FAMT had a stoma compared with 3 of 15 in the control group. The Miller incontinence score had a mean of 6.2 (median, 6; range, 0-15) in the FAMT group and 3.7 (median, 4; range, 0-12) in the control group. All patients in both groups could sense stool, and 11 of 13 patients in the FAMT group could distinguish between feces and flatus. CONCLUSIONS: The patients with FAMT had a slightly inferior anorectal function compared with the controls. Considering they were all totally incontinent before FAMT, we conclude that FAMT has an acceptable effect 30 years postoperatively. Therefore, we find that FAMT could be an alternative for anorectal malformation patients who are totally incontinent.</p>
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24.
  • Danielson, Johan, 1975-, et al. (författare)
  • Outcome in adults with anorectal malformations in relation to modern classification – Which patients do we need to follow beyond childhood?
  • 2017
  • Ingår i: Journal of Pediatric Surgery. - 0022-3468 .- 1531-5037. ; 52:3, s. 463-468
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Background/purpose</p><p>Knowledge about the functional outcome in adults with anorectal malformations is essential to organize structured transition to adult care for this patient group. The aim of this study was to investigate the functional outcome and quality of life in adults with anorectal malformations characterized according to the Krickenbeck classification.</p><p>Methods</p><p>Of 256 patients diagnosed with anorectal malformations at our institution in 1961–1993, 203 patients could be traced and were invited to participate in the study. One hundred and thirty-six patients replied (67%) and were compared with one hundred and thirty-six population based sex and age-matched controls. Patients and controls were evaluated with both a validated questionnaire as well as a study-specific questionnaire to assess bowel function. SF-36 was used for quality of life. Outcome in nine incontinence-related parameters, 10 constipation-related, 6 urogenital function-related, and 13 quality of life parameters were assessed in the patients and compared to the outcome of controls as well as to the type of anorectal malformations according to the Krickenbeck classification.</p><p>Results</p><p>The ARM-patients had an inferior outcome (P &lt; 0.05) for all incontinence parameters, 8 of 10 parameters for constipation, 2 of 6 for urogenital function and 7 of 13 quality of life parameters. Patients with rectobulbar and vestibular fistulas had the worst statistical outcome but patients with cloaca and rectoprostatic/bladder-neck fistula had worse outcome in absolute numbers. Forty-four patients (32%) reported incontinence of stool at least once a week and 16 (12%) had a permanent colostomy.</p><p>Conclusions</p><p>The functional outcome and quality of life in adults with anorectal malformations are closely related to the type of malformation. A large proportion of the patients have persistent fecal incontinence, constipation and sexual problems that have a negative influence on their quality of life. Structured multidisciplinary follow-up of adults with anorectal malformations by pediatric and colorectal surgeons, as well as urologists and gynecologists is therefore advocated.</p>
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25.
  • Danielson, Johan, 1975-, et al. (författare)
  • Persistent fecal incontinence into adulthood after repair of anorectal malformations
  • 2019
  • Ingår i: International Journal of Colorectal Disease. - Springer. - 0179-1958 .- 1432-1262. ; 34:3, s. 551-554
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Purpose: Persistent fecal incontinence beyond childhood is common in ARM patients. The aim of this study was to analyze a consecutive series of adult patients with persistent incontinence, establish the causes, and evaluate whether further treatment could be offered. Methods: Forty-four adult ARM patients with reported incontinence were invited. Eighteen patients (11 males, median age 40.5 years, range 18-50 years) accepted and underwent clinical examination, rectoscopy, and 3D-ultrasound. Five had previously been treated with secondary surgery to improve continence. Results: Seventeen of the 18 patients had abnormal findings at examination. Eight patients had obstruction of the reconstructed anus. Eleven patients had sacral deformities. Nine patients had a defect in the external anal sphincter and nine patients could not contract the sphincter on demand. Five patients had significant prolapse of mucosa. In one patient, the neoanus was totally misplaced, one patient had a rectovaginal fistula, and one patient had short bowel syndrome due to several small bowel resections. Ten patients were offered conservative and five surgical treatment. Conclusions: This case series of adults shows that a majority of the patients can be offered further treatment. This indicates a need for structured follow-up of ARM patients into adulthood.</p>
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26.
  • Danielson, Johan, et al. (författare)
  • Posterior sagittal anorectoplasty results in better bowel function and quality of life in adulthood than pull-through procedures
  • 2015
  • Ingår i: Journal of Pediatric Surgery. - 0022-3468 .- 1531-5037. ; 50:9, s. 1556-1559
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Background/purpose: The short-term outcome of posterior sagittal anorectoplasty (PSARP) procedure has been reported to be better than after abdominoperineal or abdominosacroperineal (AP) procedures. This study aimed to investigate the long-term functional outcome and quality of life after PSARP in adulthood and compare with the outcome after AP procedures. Methods: Twenty-four patients operated with PSARP at the Department of Pediatric Surgery, Uppsala, Sweden, from 1984 to 1993 were identified. They were compared with 20 patients that underwent AP pull-through procedures from 1974 to 1983. The patients were sent validated bowel function and quality of life (SF-36) questionnaires. Sixteen PSARP (median age 21, five females) patients and fourteen AP patients (seven abdominosacroperineal and seven abdominoperineal pull-throughs, median age 32, seven females) responded and were included in the study. Results: The median Miller incontinence score was 1 (range 0-13) in the PSARP group and 10 (range 3-16) in the pull-through group (P = 0.0042). The use of underwear protection and oral loperamide was significantly less frequent in the PSARP group (P = 0.0096 and 0.0021 respectively). The SF-36 scores of Vitality, Mental health and Mental Cluster Scale were higher in the PSARP group (P = 0.0291, 0.0500, 0.0421 respectively). Conclusions: PSARP results in superior bowel function and better quality of life in adulthood compared with AP procedures for the repair of anorectal malformations.</p>
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27.
  • Danielson, Johan, et al. (författare)
  • Submucosal injection of stabilized nonanimal hyaluronic acid with dextranomer : a new treatment option for fecal incontinence
  • 2009
  • Ingår i: Diseases of the Colon & Rectum. - 0012-3706 .- 1530-0358. ; 52:6, s. 1101-1106
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>PURPOSE: NASHA Dx gel has been used extensively for treatments in the field of urology. This study was performed to evaluate NASHA Dx gel as an injectable anal canal implant for the treatment of fecal incontinence. METHODS: Thirty-four patients (5 males, 29 females; median age, 61 years; range, 34 to 80) were injected with 4 x 1 ml of NASHA Dx gel, just above the dentate line in the submucosal layer. The primary end point was change in the number of incontinence episodes and a treatment response was defined as a 50 percent reduction compared with pretreatment. All patients were followed up at 3, 6, and 12 months. RESULTS: The median number of incontinence episodes during four weeks was 22 (range, 2 to 77) before treatment, at 6 months it was 9 (range, 0 to 46), and at 12 months it was 10 (range, 0 to 70, P = 0.004). Fifteen patients (44 percent) were responders at 6 months, compared with 19 (56 percent) at 12 months. No long-term side effects or serious adverse events were reported. CONCLUSIONS: Submucosal injection of NASHA Dx gel is an effective treatment for fecal incontinence. The effect is sustained for at least 12 months. The treatment is associated with low morbidity.</p>
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28.
  • Elias, Khalid, et al. (författare)
  • Changes in bowel habits and patient-scored symptoms after Roux-en-Y gastric bypass and biliopancreatic diversion with duodenal switch
  • 2018
  • Ingår i: Surgery for Obesity and Related Diseases. - 1550-7289 .- 1878-7533. ; 14:2, s. 144-149
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Background: Bariatric procedures are increasingly being used, but data on bowel habits are scarce.</p><p>Objectives: To assess changes in gastrointestinal function and patient-scored symptoms after Roux-en-Y gastric bypass (RYGB) and biliopancreatic diversion with duodenal switch (BPD/DS).</p><p>Setting: University hospital in Sweden.</p><p>Methods: We recruited 268 adult patients (mean age of 42.5 yr, body mass index 44.8, 67.9% female) listed for RYGB and BPD/DS. Patients answered validated questionnaires prospectively concerning bowel function, the Fecal Incontinence Quality of Life Scale, and the 36-Item Short Form Health Survey before and after their operation.</p><p>Results: Postoperatively, 208 patients (78.2% of 266 eligible patients) answered the questionnaires. RYGB patients had fewer bowel motions per week (8 versus 10) and more abdominal pain postoperatively (<em>P</em>&lt;.001). Postoperatively, the 35 BPD/DS patients (69% versus 23%) needed to empty their bowel twice or more than twice daily, reported more flatus and urgency, and increased need for keeping a diet (<em>P</em>&lt;.001). Concerning Fecal Incontinence Quality of Life Scale, coping and behavior was slightly reduced while depression and self-perception scores were improved after RYGB. Lifestyle, coping and behavior, and embarrassment were reduced after BPD/DS (<em>P</em>&lt;.05). In the 36-Item Short Form Health Survey, physical scores were markedly improved, while mental scores were largely unaffected.</p><p>Conclusion: RYGB resulted in a reduced number of bowel movements but increased problems with abdominal pain. In contrast, BPD/DS-patients reported higher frequency of bowel movements, more troubles with flatus and urgency, and increased need for keeping a diet. These symptoms affected quality of life negatively, however, general quality of life was markedly improved after both procedures. These results will be of great value for preoperative counseling.</p>
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29.
  • Enblad, Malin (författare)
  • Colorectal and appendiceal peritoneal metastases From population studies to genetics
  • 2018
  • Doktorsavhandling (övrigt vetenskapligt)abstract
    • <p>Peritoneal dissemination of colorectal and appendiceal origin was previously considered the end-stage of malignant disease. Today, treatment with cytoreductive surgery (CRS) in combination with hyperthermic intraperitoneal chemotherapy (HIPEC) has prolonged survival and cured some patients with peritoneal metastases (PM). Unfortunately, a majority of patients still have fatal outcomes. In this thesis, colorectal and appendiceal PM were studied from a wide population-based perspective down to the detailed perspectives of histopathology and genetics, with the aim of further contributing to prolonged survival.</p><p>In Paper I, the heterogeneous histopathology of PM was investigated and a substantial proportion of patients undergoing CRS and HIPEC were found to have surgical specimens lacking neoplastic epithelium. These patients had a favourable prognosis and the results illustrate the importance of thorough analysing and reporting of histopathology for understanding differences in survival outcomes and for improving patient selection. In Paper II, the role of inflammation in colorectal and appendiceal carcinogenesis was investigated at a population-based level. Patients with non-surgical treatment of appendicitis had an increased incidence of cancer (especially of appendiceal and right-sided colon cancer) compared to the general population. This should be taken into consideration in the discussion of optimal management of patients with appendicitis. In Paper III, risk factors for PM were studied with the aim of aiding in the detection of PM at earlier stages. Appendiceal and right-sided colon cancer, advanced tumour and node stages, mucinous histopathology and vascular invasion were identified as high risk features for developing PM, and should increase awareness of potential PM. In Paper IV, genome-wide chromosomal copy number alterations of PM were explored and associated with prognosis after CRS and HIPEC. Colorectal PM exhibited a wide range of alterations of which copy number gain on parts of chromosome 1p and 15q were significantly associated with poor prognosis and have the potential to be used as prognostic molecular markers in the future.</p><p>In conclusion, this thesis provides new insights into the field of colorectal and appendiceal cancer and PM to be used for improved patient selection, early detection and prevention, ultimately contributing to improved survival.</p>
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30.
  • Enblad, Malin, et al. (författare)
  • Importance of Absent Neoplastic Epithelium in Patients Treated With Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy
  • 2016
  • Ingår i: Annals of Surgical Oncology. - 1068-9265 .- 1534-4681. ; 23:4, s. 1149-1156
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>The importance of absent neoplastic epithelium in specimens from cytoreductive surgery (CRS) is unknown. This study aimed to investigate the prevalence and prognostic value of histopathology without neoplastic epithelium in patients treated with CRS and hyperthermic intraperitoneal chemotherapy (HIPEC). Data were extracted from medical records and histopathology reports for patients treated with initial CRS and HIPEC at Uppsala University Hospital, Sweden, between 2004 and 2012. Patients with inoperable disease and patients undergoing palliative non-CRS surgery were excluded from the study. Patients lacking neoplastic epithelium in surgical specimens from CRS, with or without mucin, were classified as "neoplastic epithelium absent" (NEA), and patients with neoplastic epithelium were classified as "neoplastic epithelium present" (NEP). The study observed NEA in 78 of 353 patients (22 %). Mucin was found in 28 of the patients with NEA. For low-grade appendiceal mucinous neoplasms and adenomas, the 5-year overall survival rate was 100 % for NEA and 84 % for NEP, and the 5-year recurrence-free survival rate was 100 % for NEA and 59 % for NEP. For appendiceal/colorectal adenocarcinomas (including tumors of the small intestine), the 5-year overall survival rate was 61 % for NEA and 38 % for NEP, and the 5-year recurrence-free survival rate was 60 % for NEA and 14 % for NEP. Carcinoembryonic antigen level, peritoneal cancer index, and completeness of the cytoreduction score were lower in patients with NEA. A substantial proportion of patients undergoing CRS and HIPEC have NEA. These patients have a favorable prognosis and a decreased risk of recurrence. Differences in patient selection can affect the proportion of NEA and hence explain differences in survival rates between reported series.</p>
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