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Does cesarean protect against fecal incontinence in primiparous women?

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Journal International urogynecology journal and pelvic floor dysfunction
Year 2009
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The objective of this study was to identify factors associated with new onset of postpartum fecal incontinence in primiparous women. A population-based study was conducted that surveyed all women delivering between 2002 and 2003 in Oregon. Factors associated with fecal incontinence were identified using logistic regression analysis. A total of 6,152 primiparous women completed the survey 3-6 months postpartum with 2,482 reporting a new onset of fecal incontinence (FI) after childbirth. Vaginal delivery was associated with a greater risk of FI compared to cesarean (odds ratio = 1.45; 95% confidence interval, 1.29 to 1.64). However, vaginal delivery without laceration or instrument assistance did not increase the risk of FI over cesarean. Being overweight (body mass index >/=30 kg/m(2)), pushing for greater than 2 h, and constipation were independently associated with postpartum FI (p < 0.05) regardless of route of delivery. This study provides important data to inform counseling and management of primiparous women.

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Mode of delivery and fecal incontinence at midlife: a study of 2,640 women in the Gazel cohort.

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Journal Obstetrics and gynecology
Year 2007
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OBJECTIVE: To estimate obstetric risk factors of fecal incontinence among middle-aged women. METHODS: We conducted a mail survey of the Gazel cohort of volunteers for epidemiologic research. In 2000, a questionnaire on anal incontinence was mailed to 3,114 women who were then between the ages of 50 and 61 years; 2,640 (85%) women returned the completed questionnaire. Fecal incontinence was defined by involuntary loss of stool. Logistic regression was used to estimate the effect of obstetric and general risk factors. RESULTS: Prevalence of fecal incontinence in the past 12 months was 9.5% (250). Significant risk factors for fecal incontinence were completion of high school (adjusted odds ratio [OR] 1.5, 95% confidence interval [CI] 1.1-2.0), self-reported depression (OR 2.1, 95% CI 1.6-2.7), overweight or obesity measured by body mass index (BMI) (OR 1.5 for BMI of 25-30, 95% CI 1.1-2.0; OR 1.6 for BMI more than 30, 95% CI 1.1-2.5), surgery for urinary incontinence (OR 3.5, 95% CI 2.0-6.1), and anal surgery (OR 1.7, 95% CI 1.1-2.9). No obstetric variable (parity, mode of delivery, birth weight, episiotomy, or third-degree perineal tear) was significant. Prevalence of fecal incontinence was similar for nulliparous, primiparous, secundiparous, and multiparous women (11.3%, 9.0%, 9.0%, and 10.4%, respectively), and among parous women, it was similar for women with spontaneous vaginal, instrumental (at least one), or only cesarean deliveries (9.3%, 10.0%, and 6.6%, respectively). CONCLUSION: In our population of women in their 50s, fecal incontinence was not associated with either parity or mode of delivery.

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Factors associated with postpartum urinary/anal incontinence in primiparous women in Quebec.

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Journal Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstétrique et gynécologie du Canada : JOGC
Year 2007
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OBJECTIVE: To identify the factors associated with urinary incontinence (UI), anal incontinence (AI), and combined UI and AI (UI/AI) in primiparous women in Quebec at six months postpartum. METHODS: A questionnaire was mailed to 2492 primiparous women at six months postpartum to collect data on incontinence status, sociodemographic characteristics, elimination habits, lifestyle, and severity index scales. Obstetric characteristics were obtained via Quebec's Med-Echo databank. Pearson chi-square, t test, analysis of variance, univariate regression, and stepwise modelling techniques were used for data analysis. RESULTS: The prevalence of UI in responders was 29.6%, of AI, 20.6%, and of combined UI/AI, 10.4%. Significant adjusted odds ratios were (1) for UI, English spoken (2.04 [95% confidence intervals 1.13-3.69]) and shoulder dystocia (2.90 [1.09-7.69]); (2) for AI, age > 35 years (2.13 [1.12-4.03]), duration of second stage of labour (1.67 [1.11-2.51]), and third or fourth degree tears (4.00 [2.32-6.89]); and (3) for UI and AI, age (2.00 [1.04-3.83]), English spoken (2.55 [1.25-5.19]), shoulder dystocia (4.91 [1.76-13.71]), instrumental delivery (2.28 [1.30-3.99]), third or fourth degree tears (3.58 [1.95-6.57]), and episiotomy (2.24 [1.162-4.33]). Caesarean section was associated with less UI (0.45 [0.28-0.72]), and smoking was associated with less AI (0.38 [0.19-0.76]). CONCLUSION: Combined UI/AI is associated with several obstetrical factors. The association of UI and AI is observed more frequently after complicated delivery (requiring the application of forceps) or involving perineal damage and episiotomy. As most of the identified factors are modifiable, a preventive treatment policy is advisable.

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Factors associated with maternal morbidity in the Term Breech Trial.

Journal Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstétrique et gynécologie du Canada : JOGC
Year 2007
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OBJECTIVE: In the Term Breech Trial, the risk of maternal morbidity in women who delivered after planning for a caesarean section (CS) was not significantly different from those who delivered after planning for a vaginal birth. We undertook secondary analyses to determine factors associated with maternal morbidity among 2078 women. METHODS: By using multiple logistic regression analyses, we determined the effect of prelabour CS, CS during early labour, CS during active labour, vaginal birth, and other factors on maternal morbidity. For 1536 women delivered after labour, we determined the effect of variables associated with labour on maternal morbidity. RESULTS: The risk of maternal morbidity was lowest following vaginal birth (odds ratio [OR] 1.0) and highest following CS during active labour (OR 3.33; 95% confidence intervals [CI] 1.75-6.33, P < 0.001). For those delivered after labour, a short active phase of the second stage of labour (< 30 minutes) was associated with the lowest risk of maternal morbidity (OR 0.25; 95% CI 0.11-0.57, P < 0.001). CONCLUSION: For women with a singleton fetus in breech resentation at term, maternal morbidity is lowest following vaginal birth and highest following CS during active labour.

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Symptoms of anal and urinary incontinence following cesarean section or spontaneous vaginal delivery.

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Journal American journal of obstetrics and gynecology
Year 2007
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OBJECTIVE: The objective of the study was to compare the prevalence of incontinence disorders in relation with spontaneous vaginal delivery or cesarean section. STUDY DESIGN: Two hundred women with spontaneous vaginal deliveries only were compared with 195 women with cesarean deliveries only 10 years after first delivery. RESULTS: When compared with cesarean section, vaginal delivery was associated with an increased frequency of stress urinary incontinence (P = .006) and an increased use of protective pads (P = .008) as well as an increased frequency of fecal urgency (P = .048) and gas incontinence (P = .01). At multivariate regression analysis, mode of delivery showed no significant association with incontinence symptoms other than an increased risk for flatus incontinence in women with a history of obstetric anal sphincter injury (odds ratio 3.1; 95% confidence interval, 1.5 to 8.9). CONCLUSION: Incontinence symptoms are more common following spontaneous vaginal delivery when compared with cesarean section 10 years after first delivery. However, cesarean section is not associated with a major reduction of anal and urinary incontinence.

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Incidence of fecal incontinence after childbirth.

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Journal Obstetrics and gynecology
Year 2007
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This article is included in 1 Systematic review Systematic reviews (1 reference)

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OBJECTIVE: Fecal incontinence is an embarrassing and disabling condition of which the epidemiology is poorly understood. Our goal is to estimate the incidence of fecal incontinence after childbirth. METHODS: A population-based survey was mailed to all women who delivered a liveborn infant in the state of Oregon between April 2002 and September 2002. The survey estimated the incidence of fecal incontinence. Surveys were to be completed within 3-6 months postpartum. Women were considered to have fecal incontinence based upon the National Institute of Child Health and Human Development definition of fecal incontinence: recurring episodes of involuntary loss of stool or flatus. RESULTS: Surveys were mailed to 21,824 eligible postpartum women. A total of 8,774 women responded (40%) to the survey, 2,569 (29%) of whom reported experiencing fecal incontinence since delivery. Almost half (46%) of all women with postpartum fecal incontinence reported incontinence of stool, and 38% reported exclusively incontinence of flatus. Approximately 46% reported onset of incontinence after delivery of their first child. Higher body mass index, longer pushing, forceps-assisted delivery, third- or fourth-degree laceration, and smoking were associated with severe fecal incontinence. CONCLUSION: In this population-based study, more than one in four women reported fecal incontinence within 6 months of childbirth, with almost half reporting onset of symptoms after delivery of their first child. Four in 10 women reported loss of flatus or stool during intercourse. Given the burden of this condition, both in number and social impact coupled with the hesitancy of women to want to initiate this conversation, providers should ask women about symptoms of fecal incontinence during postpartum examinations. Additionally, these data suggest that there may be a benefit to extending postpartum follow-up visits beyond the typical 6-8 weeks to provide surveillance for potential incontinence. LEVEL OF EVIDENCE: II.

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Risk factors for fecal incontinence: a population-based study in women.

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Journal The American journal of gastroenterology
Year 2006
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BACKGROUND: In women with "idiopathic" fecal incontinence (FI), consensus guidelines recommend anal sphincter imaging and surgical repair, when feasible, of anal sphincter defects believed to cause FI. However, the relative contributions of obstetric trauma and bowel symptoms to FI in the community are unknown. METHODS: To assess risk factors for FI during the past year, a previously validated questionnaire was mailed to an age-stratified random sample of 5,300 women residing in Olmsted County, Minnesota. RESULTS: Altogether, 2,800 women (53%) responded. The risk of fecal incontinence increased with age (odds ratio [OR] per decade 1.3, 95% CI 1.2-1.4). The risk of fecal incontinence was higher among women with rectal urgency (OR 8.3, 95% CI 4.8-14.3) whether or not they also had other bowel disturbances (i.e., constipation, diarrhea, or abdominal pain) or had a vaginal delivery with forceps or stitches (OR 9.0, 95% CI 5.6-14.4). Among women with FI, rectal urgency and age were also risk factors for symptom severity. In contrast, obstetric risk factors for anorectal trauma did not increase the risk for FI. The risk for FI was not significantly different among women with cesarean section, vaginal delivery with or without forceps or stitches, or anorectal surgery, compared with nulliparous women without any of these risk factors. CONCLUSIONS: Rectal urgency rather than obstetric injury is the main risk factor for FI in women. These observations reinforce the importance of behavioral, dietary, and pharmacological measures to ameliorate bowel disturbances before anal imaging in women with "idiopathic" FI.

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The costs of planned cesarean versus planned vaginal birth in the Term Breech Trial.

Journal CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne
Year 2006
Links Pubmed DOI PubMed Central

This article is included in 1 Systematic review Systematic reviews (1 reference)

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BACKGROUND: The Term Breech Trial compared the safety of planned cesarean and planned vaginal birth for breech presentations at term. The combined outcome of perinatal or neonatal death and serious neonatal morbidity was found to be significantly lower among babies delivered by planned cesarean section. In this study we conducted a cost analysis of the 2 approaches to breech presentations at delivery. METHODS: We used a third-party-payer (i.e., Ministry of Health) perspective. We included all costs for physician services and all hospital-related costs incurred by both the mother and the infant. We collected health care utilization and outcomes for all study participants during the trial. We used only the utilization data from countries with low national rates of perinatal death (< or = 20/1000). Seven hospitals across Canada (4 teaching and 3 community centres) were selected for unit cost calculations. RESULTS: The estimated mean cost of a planned cesarean was significantly lower than that of a planned vaginal birth (7165 dollars v. 8042 dollars per mother and infant; mean difference -877 dollars, 95% credible interval -1286 dollars to -473 dollars). The estimated mean cost of a planned cesarean was lower than that of a planned vaginal birth for both women having a first birth (7255 dollars v. 8440 dollars) and women having had at least one prior birth (7071 dollars v. 7559 dollars). Although the treatment effect was largest in the subgroup of women having their first child, there was no statistically significant interaction between treatment and parity since the 95% credible intervals for difference in treatment effects between parity equalling zero and parity of one or greater all include zero. INTERPRETATION: Planned cesarean section was found to be less costly than planned vaginal birth for the singleton fetus in a breech presentation at term in the Term Breech Trial.

Primary study

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Fecal incontinence in females older than aged 40 years: who is at risk?

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Journal Diseases of the colon and rectum
Year 2006
Links Pubmed DOI PubMed Central

This article is included in 1 Systematic review Systematic reviews (1 reference)

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PURPOSE: This study was designed to estimate the prevalence of, and identify risk factors associated with, fecal incontinence in racially diverse females older than aged 40 years. METHODS: The Reproductive Risks for Incontinence Study at Kaiser is a population-based study of 2,109 randomly selected middle-aged and older females (average age, 56 years). Fecal incontinence, determined by self-report, was categorized by frequency. Females reported the level of bother of fecal incontinence and their general quality of life. Potential risk factors were assessed by self-report, interview, physical examination, and record review. Multivariate logistic regression analysis was used to determine the independent association between selected risk factors and the primary outcome of any reported fecal incontinence in the past year. RESULTS: Fecal incontinence in the past year was reported by 24 percent of females (3.4 percent monthly, 1.9 percent weekly, and 0.2 percent daily). Greater frequency of fecal incontinence was associated with decreased quality of life (Medical Outcome Short Form-36 Mental Component Scale score, P = 0.01), and increased bother (P < 0.001) with 45 percent of females with fecal incontinence in the past year and 100 percent of females with daily fecal incontinence reporting moderate or great bother. In multivariate analysis, the prevalence of fecal incontinence in the past year increased significantly [odds ratio per 5 kg/m2 (95 percent confidence interval)] with obesity [1.2 (1.1-1.3)], chronic obstructive pulmonary disease [1.9 (1.3-2.9)], irritable bowel syndrome [2.4 (1.7-3.4)], urinary incontinence [2.1 (1.7-2.6)], and colectomy [1.9 (1.1-3.1)]. Latina females were less likely to report fecal incontinence than white females [0.6 (0.4-0.9)]. CONCLUSIONS: Fecal incontinence, a common problem for females, is associated with substantial adverse affects on quality of life. Several of the identified risk factors are preventable or modifiable, and may direct future research in fecal incontinence therapy.

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Risk factors for female anal incontinence: new insight through the Evanston-Northwestern twin sisters study.

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Journal Obstetrics and gynecology
Year 2005
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OBJECTIVE: To evaluate risk factors for anal incontinence using an identical twin sisters study design to provide control over genetic variance. METHODS: A total of 271 identical twin sister pairs (mean age 47 years) completed the validated Colorectal Anal Distress Inventory questionnaire detailing the presence and severity of anal incontinence. Data were analyzed using a stepwise logistic regression with repeated binary measures to account for correlated data within twin pairs. Three different statistical models were used to analyze nonobstetric as well as obstetric risk factors separately. RESULTS: Significant risk factors for anal incontinence and higher Colorectal Anal Distress Inventory anal incontinence subscale scores included age 40 years or older (fecal: odds ratio [OR] 2.82, 95% confidence interval [CI] 1.21-6.0; flatal: OR 1.90, 95% CI 1.11-3.24), menopause (fecal: OR 2.10, 95% CI 1.15-3.8; flatal: OR 2.11, 95% CI 1.43-3.13), increasing parity (parity > or = 2; fecal: OR 3.09, 95% CI 1.25-7.65; flatal: OR 2.72, 95% CI 1.65-4.51), and the presence of stress urinary incontinence (fecal: OR 2.11, 95% CI 1.12-3.98; flatal: OR 1.72, 95% CI 1.14-2.59). Obesity was associated with significantly higher Colorectal Anal Distress Inventory anal incontinence subscale scores (mean difference 5.18, P = .007). Cesarean delivery after initiation of labor was associated with a lower prevalence of anal incontinence than vaginal birth; however, this difference was not statistically significant (17% compared with 4%, P = .11). No anal incontinence was noted in women who had only elective cesarean deliveries. CONCLUSION: Age, menopause, obesity, parity, and stress urinary incontinence are the major risk factors for female anal incontinence.