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Sökning: WFRF:(Chen RQ)

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  • Jerlström, Tomas, et al. (författare)
  • No increased risk of short-term complications after radical cystectomy for muscle-invasive bladder cancer among patients treated with preoperative chemotherapy : a nation-wide register-based study
  • 2020
  • Ingår i: World Journal of Urology. - : Springer. - 0724-4983 .- 1433-8726. ; 38:2, s. 381-388
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose: Preoperative chemotherapy is underused in conjunction with radical cystectomy (RC) for muscle-invasive bladder cancer (MIBC) due to concerns for complications and delay of surgery. Prospective data on short-term complications from population-based settings with frequent use of preoperative chemotherapy and standardised reporting of complications is lacking. Methods: We identified 1,340 patients who underwent RC between 2011 and 2015 in Sweden due to MIBC according to the Swedish Cystectomy Register. These individuals were followed through linkages to several national registers. Propensity score adjusted logistic regression was used to calculate odds ratios (ORs) and 95% confidence intervals (CIs) for complications and death within 90 days of surgery, comparing patients receiving preoperative chemotherapy or not. Results: Minimum two cycles of preoperative chemotherapy were given to 519 (39%) of the patients, who on average tended to be younger, have higher education, better physical status, and more advanced bladder cancer than patients not receiving chemotherapy. After adjusting for these and other parameters, there was no association between treatment with preoperative chemotherapy and short-term complications (OR 1.06 95% CI 0.82–1.39) or mortality (OR 0.75 95% CI 0.36–1.55). We observed a risk reduction for gastrointestinal complications among patients who received preoperative chemotherapy compared with those who did not (OR 0.49 95% CI 0.30–0.81). Conclusion: This nation-wide population-based observational study does not suggest that preoperative chemotherapy, in a setting with high utilisation of such treatment, is associated with an increased risk of short-term complications in MIBC patients treated with radical cystectomy.
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  • Chen, Ruoqing, et al. (författare)
  • Childhood injury after a parental cancer diagnosis
  • 2015
  • Ingår i: eLIFE. - Stockholm : eLife Sciences Publications Ltd. - 2050-084X. ; 4
  • Tidskriftsartikel (refereegranskat)abstract
    • A parental cancer diagnosis is psychologically straining for the whole family. We investigated whether a parental cancer diagnosis is associated with a higher-than-expected risk of injury among children by using a Swedish nationwide register-based cohort study. Compared to children without parental cancer, children with parental cancer had a higher rate of hospital contact for injury during the first year after parental cancer diagnosis (hazard ratio [HR]=1.27, 95% confidence interval [CI]=1.22-1.33), especially when the parent had a comorbid psychiatric disorder after cancer diagnosis (HR=1.41, 95% CI=1.08-1.85). The rate increment declined during the second and third year after parental cancer diagnosis (HR=1.10, 95% CI=1.07-1.14) and became null afterwards (HR=1.01, 95% CI=0.99-1.03). Children with parental cancer also had a higher rate of repeated injuries than the other children (HR=1.13, 95% CI= 1.12-1.15). Given the high rate of injury among children in the general population, our findings may have important public health implications.
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  • Chen, Ruoqing, et al. (författare)
  • Marital status, telomere length and cardiovascular disease risk in a Swedish prospective cohort
  • 2020
  • Ingår i: Heart. - : BMJ Publishing Group Ltd. - 1355-6037 .- 1468-201X. ; 106:4, s. 267-272
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To investigate if marital status is associated with risk of cardiovascular disease (CVD) and to explore the potential influence of leucocyte telomere length (LTL), a marker of biological ageing, on such association.DESIGN: Population-based prospective cohort study SETTINGS: Swedish Twin Registry.PARTICIPANTS: Based on the Screening Across the Lifespan Twin Study from the Swedish Twin Registry, we included 10 058 twins born between 1900 and 1958 who underwent an interview between 1998 and 2002 during which information about marital status was collected. Blood samples from these participants were subsequently collected between 2004 and 2008 and used for LTL assessment using quantitative PCR technique.MAIN OUTCOME MEASURES: Incident cases of CVD were identified through the Swedish Patient Register and Causes of Death Register through December 31, 2016. Multivariable linear regression and Cox proportional hazards regression models were used to estimate the regression coefficients (βs) and HRs with 95% CIs respectively. Potential confounders included age, sex, educational attainment and body mass index.RESULTS: A total of 2010 participants were diagnosed with CVD during a median follow-up of 9.8 years. LTL was shorter among individuals living singly, including those who were divorced or separated (β:-0.014, 95% CI: -0.035, 0.007), widowed (β:-0.035, 95% CI: -0.061, -0.010), or living alone (β:-0.033, 95% CI: -0.052, -0.014), than individuals who were married or cohabitating. One SD increase of LTL was associated with a lower risk of CVD (HR: 0.79, 95% CI: 0.66, 0.93). Individuals who were divorced or separated, widowed, or living alone had a higher risk of CVD than individuals who were married or cohabitating. The summary HR of CVD was 1.21 (95% CI: 1.08, 1.35) when comparing individuals who were living singly, regardless of reason, with the individuals who were married or cohabitating. LTL appeared to mediate little of the association between marital status and CVD (HR additionally adjusted for LTL: 1.20; 95% CI: 1.08, 1.34).CONCLUSIONS: Living singly, regardless of reason, was associated with a shorter LTL and a higher risk of CVD. The association between marital status and CVD was however not greatly attributable to telomere shortening.
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  • Kennedy, Beatrice, 1982-, et al. (författare)
  • Childhood Bereavement and Lower Stress Resilience in Late Adolescence
  • 2018
  • Ingår i: Journal of Adolescent Health. - : Elsevier. - 1054-139X .- 1879-1972. ; 63:1, s. 108-114
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: Although childhood traumatic experiences are recognized as important determinants for adolescent psychiatric health in general, our objective was to explore the specific influence of childhood bereavement on the stress resilience development trajectory.METHODS: In this national register-based cohort study, we identified 407,639 men born in Sweden between 1973 and 1983, who underwent compulsory military enlistment examinations in late adolescence, including measures of psychological stress resilience. We defined exposure as loss of a first-degree family member in childhood, and estimated relative risk ratios (RRRs) for reduced (moderate or low), compared with high, stress resilience with 95% confidence intervals (CIs) using multinomial logistic regression.RESULTS: Loss of a parent or sibling in childhood conferred a 49% increased risk of subsequent low stress resilience (RRR, 1.49, 95% CI, 1.41-1.57) and an 8% increased risk of moderate stress resilience (RRR, 1.08, 95% CI, 1.03-1.13) in late adolescence. There was also a graded increase in risk with increasing age at loss; teenagers were at higher risk for low resilience (RRR, 1.64, 95% CI, 1.52-1.77) than children aged 7-12 (RRR, 1.47, 95% CI, 1.34-1.61) and ≤6 years (RRR, 1.16 95% CI, 1.02-1.32). The excess risk was observed for all causes of death, including suicide and unexpected deaths as well as deaths due to other illnesses. The associations remained after exclusion of parents with a history of hospitalization for psychiatric diagnoses.CONCLUSIONS: The long-term consequences of childhood bereavement may include lower stress resilience in late adolescence.
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  • Kennedy, Beatrice, 1982-, et al. (författare)
  • Low stress resilience in late adolescence and risk of smoking, high alcohol consumption and drug use later in life
  • 2019
  • Ingår i: Journal of Epidemiology and Community Health. - : BMJ Publishing Group Ltd. - 0143-005X .- 1470-2738. ; 73:6, s. 469-501
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: While compromised stress resilience constitutes a recognised risk factor for somatic and psychiatric disease development in general, the knowledge about how individual variation in vulnerability to stress may specifically influence the long-term risks of disadvantageous health behaviours is limited.METHODS: In this Swedish cohort study, we aimed to investigate the association between stress resilience in late adolescence and adult use of addictive substances. We included 9381 men with information on psychological stress resilience measured during military conscription examinations, who later responded to an extensive health survey (mean age 34.0±7.2 years) including detailed information on substance use. We modelled continuous outcomes using linear regression, binary outcomes with logistic regression and other categorical outcomes with multinomial logistic regression.RESULTS: We found that low stress resilience in adolescence conferred increased risks of all studied measures of addictive behaviour. After adjusting for childhood socioeconomic information, low stress resilience was associated with adult current regular smoking (relative risk ratio: 5.85, 95% CI 4.32 to 7.93), higher nicotine dependence scores (beta: 0.76, 95% CI 0.29 to 1.23), hazardous use of alcohol (>14 alcoholic drink-equivalents per week, OR: 1.72, 95% CI 1.37 to 2.16), DSM-IV criteria for alcohol dependence (OR: 1.74, 95% CI 1.35 to 2.25), and drug use (OR: 1.77, 95% CI 1.51 to 2.08). The results remained largely unchanged after further adjustments for adult educational attainment and occupation as well as for additional conscription covariates.CONCLUSION: Low stress resilience in late adolescence appears to be associated with an increased risk of disadvantageous and addictive health behaviours in adulthood.
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  • Stenberg, Erik, 1979-, et al. (författare)
  • Pregnancy As a Risk Factor for Small Bowel Obstruction After Laparoscopic Gastric Bypass Surgery
  • 2020
  • Ingår i: Annals of Surgery. - : Lippincott Williams & Wilkins. - 0003-4932 .- 1528-1140. ; 272:1, s. 125-129
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To evaluate whether pregnancy is associated with increased risk for small bowel obstruction after laparoscopic gastric bypass surgery.BACKGROUND: Small bowel obstruction is a common and feared long-term complication to laparoscopic gastric bypass surgery that may be more common during pregnancy. It is unclear if the risk truly increases during pregnancy.METHODS: Women, 18 to 55 years, operated with a primary laparoscopic gastric bypass procedure from 2010 until 2015 were identified through the Scandinavian Obesity Surgery Registry (n = 25,853). Through record-linkage to the Medical Birth Registry, the National Patient Registry, and review of hospital charts, information on pregnancy periods and outcome were obtained. The main outcome was operation due to small bowel obstruction after the laparoscopic gastric bypass procedure.RESULTS: Pregnancy was associated with increased risk for small bowel obstruction following laparoscopic gastric bypass surgery (incidence rates 46.5, 95% CI 38.0-56.9/1000 person-years, vs 20.9 95% CI 19.9-22.0; adjusted-HR 1.72, 95% CI 1.39-2.12, P < 0.001). While no excess risk was observed during the first trimester, the second (adjusted-HR 1.67, 95% CI 1.17-2.39, P = 0.005) and third (adjusted-HR 2.69, 95% CI 2.02-3.59, P < 0.001) conferred increased risk. The incidence rate of small bowel obstruction during pregnancy was 42.9 (95% CI 32.4-57.0/1000 person-years) among women for whom the mesenteric defects had been closed during the primary procedure, and 53.2 (95% CI 38.9-72.8/1000 person-years) for women in whom they had been left open.CONCLUSION: Pregnancy is associated with increased risk for small bowel obstruction after laparoscopic gastric bypass surgery during the second and third trimesters.
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