Risk factors of vesico-vaginal fistulae in Maiduguri, Nigeria: a case-control study

A case-control study of the risk factors for obstetric fistula in Tigray, Ethiopia

INTRODUCTION AND HYPOTHESIS

We tested the null hypothesis that there were no differences between patients with obstetric fistula and parous controls without fistula.

METHODS

A unmatched case-control study was carried out comparing 75 women with a history of obstetric fistula with 150 parous controls with no history of fistula. Height and weight were measured for each participant, along with basic socio-demographic and obstetric information. Descriptive statistics were calculated and differences between the groups were analyzed using Student's t test, Mann-Whitney U test where appropriate, and Chi-squared or Fisher's exact test, along with backward stepwise logistic regression analyses to detect predictors of obstetric fistula. Associations with a p value <0.05 were considered significant.

RESULTS

Patients with fistulas married earlier and delivered their first pregnancies earlier than controls. They had significantly less education, a higher prevalence of divorce/separation, and lived in more impoverished circumstances than controls. Fistula patients had worse reproductive histories, with greater numbers of stillbirths/abortions and higher rates of assisted vaginal delivery and cesarean section. The final logistic regression model found four significant risk factors for developing an obstetric fistula: age at marriage (OR 1.23), history of assisted vaginal delivery (OR 3.44), lack of adequate antenatal care (OR 4.43), and a labor lasting longer than 1 day (OR 14.84).

CONCLUSIONS

Our data indicate that obstetric fistula results from the lack of access to effective obstetrical services when labor is prolonged. Rural poverty and lack of adequate transportation infrastructure are probably important co-factors in inhibiting access to needed care.

Validation of an obstetric fistula screening questionnaire in rural Nepal: a community-based cross-sectional and nested case-control study with clinical examination

OBJECTIVE

To validate a symptom-based fistula screening questionnaire and estimate obstetric fistula (OF) prevalence in rural Nepal.

DESIGN

Cross-sectional and nested case-control study.

SETTING

Sarlahi District, Nepal.

POPULATION

Parous, reproductive age women.

METHODS

The questionnaire assessed symptoms of vesicovaginal and rectovaginal fistula (VVF and RVF, respectively), stress and urge urinary incontinence (SUI and UUI, respectively), fecal incontinence (FI), and included interviewer observations on the smell and presence of urine and/or stool. All women who screened positive for OF and a randomly selected group of women who screened negative for OF were included in a nested case-control study (one case, four normal controls, and four incontinent controls) and underwent confirmatory clinical examinations.

MAIN OUTCOME MEASURES

Clinically confirmed OF, and questionnaire sensitivity (Se) and specificity (Sp).

RESULTS

Of the 16 893 women who completed cross-sectional screening, 68 were screened-positive cases. Fifty-five (82%) screened-positive cases, 203 screened-negative normal controls, and 203 screened-incontinent controls participated in the case-control study, which confirmed one case of VVF and one case of both VVF and RVF without any false-negative cases. For VVF, the screening tool demonstrated Se 100% (95% CI 34.2-100.0%), Sp 86.9% (95% CI 83.3-89.9%), and estimated VVF prevalence as 12 per 100 000 (95% CI 3-43); for RVF, it demonstrated Se 100% (95% CI 20.7-100.0), Sp 99.8% (95% CI 98.6-100.0), and estimated RVF prevalence as 6 per 100 000 (95% CI 1-34).

CONCLUSIONS

The OF screening questionnaire demonstrated high sensitivity and specificity in this low-prevalence setting.

TWEETABLE ABSTRACT

Community-based obstetric fistula screening tool validation study, Nepal, n = 16 893: High Se, Sp & feasibility.

[Study of knowledge, attitudes and practices in social reintegration of women victims of obstetric fistula: region of the far-North, Cameroon]

Introduction

La fistule obstétricale est un orifice entre le vagin et la vessie ou le rectum, voire les deux. Ses impacts sont des conséquences anatomo-fonctionnelles et sociales. On estime à plus de 19 000 le nombre de femmes qui souffrent de fistule obstétricale au Cameroun.

Méthodes

Il s'agissait d'une étude transversale descriptive conduite dans trois districts de santé de la région de l'Extrême-nord. Vingt-huit femmes victimes de fistules obstétricales, quarante-deux membres de leur entourage et vingt-quatre agents de santé ont été interviewés entre Novembre et Décembre 2013. Trois types de questionnaires ont été utilisés. Les données ont été analysées dans Epi Info version 7.1.4.0. Les moyennes et les fréquences ont été calculées avec un intervalle de confiance à 95%.

Résultats

46,4% des femmes victimes de fistule obstétricales interviewées avaient subi une intervention chirurgicale réparatrice parmi lesquelles, 61,5% bénéficiaient de la réintégration. Le fonds de commerce (62,5%) était l'aide la plus reçue. Vingt-deux membres de l'entourage savaient pourquoi on fait la réintégration. Selon eux, les considérations socioculturelles (68,2%), sont la principale barrière de la réintégration. D'après les agents de santé, le suivi psychosocial (58,3%) est la principale activité de la réintégration dans les centres de prise en charge de la fistule.

Conclusion

La prise en charge des fistules obstétricales au Cameroun souffre de manque de réintégration sociale. Ceci expliquerait en partie la persistance de cette pathologie. Un accent devrait être mis sur l'appui matériel, financier et sur le suivi psychosocial des femmes victimes de fistule obstétricale.

Risk factors for obstetric fistula in Western Uganda: a case control study

INTRODUCTION

Two million women worldwide are living with genital fistula with an annual incidence of 50,000-100,000 women. Risk factors for obstetric fistula are context bound. Studies from other countries show variation in the risk factors for obstetric fistula. This study was conducted to identify risk factors for obstetric fistula in western Ugandan context.

METHODS

A case control study comparing background factors of women with obstetric fistula (cases) and women without fistula (controls) was conducted in western Uganda. Data was collected using face-to-face interviews. Univariate, bivariate and multivariate analysis was conducted using Stata 12.

RESULTS

Altogether, 420 respondents (140 cases and 280 controls) participated in the study. Duration of labour was used to form the product terms when assessing for interaction and confounding since it was one the most significant factors at bivariate level with a narrow confidence interval and was hence considered the main predictor. After adjusting for interaction and confounding, significant risk factors associated with development of obstetric fistula in western Uganda were: Caesarean section (adjusted odds ratio [AOR] = 13.30, 95% CI = 6.74-26.39), respondent height of 150 cm or less (AOR = 2.63, 95% CI = 1.35-5.26), baby weight of 3.5 kg or more (AOR = 1.52, 95% CI = 1.15-1.99), prolonged labour (AOR = 1.06, 95% CI = 1.04-1.08. A quarter of the fistulas had resulted from iatrogenic complication during caesarean section. Compared to no education, post primary level of education was protective against obstetric fistula (AOR = 0.31, 95% CI = 0.13-0.72) and there was no difference between respondents without education and those with primary level education.

CONCLUSIONS

Surgeons contribute to a big proportion (25%) of fistula cases hence caesarean section being a risk factor in this region. Other risk factors include; prolonged labour, weight of the baby of 3.5 kg or more, respondent height of 150 cm or less (short stature), and low or no education are risk factors for obstetric fistula in western Ugandan.

Musculoskeletal sequelae in patients with obstetric fistula - a case-control study

Background

Obstetric fistula is essentially a result of pelvic injury caused by prolonged obstructed labour. Foot drop and walking difficulties in some of these women signify that the injury may extend beyond the loss of tissue that led to the fistula. However, these aspects of the pelvic injury are scarcely addressed in the literature. Here we specifically aimed at assessing musculoskeletal function in women with obstetric fistula to appreciate the extent of the sequelae of their pelvic injury.

Methods

This case–control study compared 70 patients with obstetric fistula with 100 controls matched for age and years since delivery. The following was recorded: height, weight, past and present walking difficulties, pain, muscle strength and joint range of motion, circumference and reflexes. Differences between groups were analysed using independent sample t-test and chi-square test for independence.

Results

A history of leg pain was more common among cases compared to controls, 20% versus 7% (p = 0.02), and 29% of the cases had difficulties walking following the injuring delivery compared to none of the controls (p ≤ 0.001). Of these, four women reported spontaneous recovery. Cases had 7° less range of motion in ankle dorsal flexion (95%CI: −8.1, −4.8), 8° less ankle plantar flexion (95%CI: −10.6, −6.5), 12° less knee flexion (95%CI: −14.1, −8.9), and 4° less knee extension (95%CI: 2.9, 5.0) compared to controls. Twelve % of the cases had lower ankle dorsal flexion strength (p = 0.009). Foot drop was present in three (4.3%) compared with none among controls. Women with fistula had 4° greater movement in hip extension (95%CI: −5.9, −3.1), 2° greater hip lateral rotation (95%CI: 0.7, 3.3) and 9° greater hip abduction (95%CI: 6.4, 10.7). Twelve % of the cases had stronger medial rotation in the hip (p = 0.04), 20% had stronger hip lateral rotation (p ≤ 0.001), 29% had stronger hip extension (p ≤ 0.001), and 15% had stronger hip abduction (p = 0.04) than controls.

Conclusions

Women with obstetric fistula commonly experienced walking difficulties after the delivery, had often leg pain and reduced function in the ankle and knee joints that may have been compensated by increased motion and strength in the hip.

Electronic supplementary material

The online version of this article (doi:10.1186/s12905-014-0136-3) contains supplementary material, which is available to authorized users.

Factors associated with obstetric fistulae occurrence among patients attending selected hospitals in Kenya, 2010: a case control study

Background

In Kenya, about 3000 fistula cases are estimated to occur every year with an incidence of 1/1000 women. This study sought to identify risk factors associated with developing obstetrics fistula in order to guide implementation of appropriate interventions.

Methods

An unmatched case control study was conducted in three major hospitals in Kenya between October and December 2010. Cases were patients who had fistula following delivery within the previous five years. Controls were systematically selected from women who attended obstetrics and gynecology clinics at these hospitals, and did not have present or past history of fistula. Odds ratio was used as measure of association with their corresponding 95% confidence interval. Factors with p value of <0.1 were included into forward additive logistic regression model to generate adjusted odds ratios.

Results

Seventy cases and 140 controls were included in the study. Independent risk factors associated with obstetrics fistula included duration of labour of >24 hours (OR = 4.7, 95% CI = 2.4 -9.2), seeking delivery services after 6 hours of labour onset (OR = 6.9, 95% CI = 2.2-21.3), taking more than 2 hours to reach a health facility (OR = 5.7, 95% CI = 2.9 -11.5), having none or primary education (OR = 9.6, 95% CI = 3.3 –27.9) and being referred to another facility for emergency obstetrics services (OR = 8.6, 95% CI = 2.7 –27).

Conclusions

Risk factors for developing obstetrics fistula were delays in care seeking including delay in making decision to seek delivery servers after six hours of labour onset, taking more than two hours to reach a health facility, labour duration of more than 24 hours and having no formal or primary education. Efforts geared at strengthening all levels of the health system to reduce delays in access to emergency obstetric care are needed.

Contraception knowledge and practice among fistula patients at referral centers in Kenya

OBJECTIVE

To establish knowledge and practice of contraception among patients presenting with a fistula attending fistula care services at 4 centers in Kenya.

METHODS

In a descriptive cohort study carried out between January and December 2011, patients presenting with a history of urine and/or stool leakage were screened and those with confirmed diagnosis of fistula were assessed and prepared for surgery. Informed consent was obtained from study participants before surgical intervention. After surgery, a standard questionnaire was used to collect information on sociodemographics, duration of leakage, and reproductive health practices.

RESULTS

A total of 206 patients were interviewed. Most of the patients were young (mean age 22 years). Literacy was low: only 1.7% reported tertiary-level education, and 56.7% reported primary-level education. With regard to family planning, 76.2% of patients expressed a willingness to use contraception after fistula repair.

CONCLUSION

Among patients presenting with a fistula in Kenya, the unmet need for family planning was high. There is an urgent need for healthcare providers to integrate family planning services in fistula care programs.

"I am nothing": experiences of loss among women suffering from severe birth injuries in Tanzania

Background

Despite the increased attention on maternal mortality during recent decades, which has resulted in maternal health being defined as a Millennium Development Goal (MDG), the disability and suffering from obstetric fistula remains a neglected issue in global health. Continuous leaking of urine and the physical, emotional and social suffering associated with it, has a profound impact on women's quality of life. This study seeks to explore the physical, cultural and psychological dimensions of living with obstetric fistula, and demonstrate how these experiences shape the identities of women affected by the condition.

Methods

A cross-sectional study with qualitative and quantitative components was used to explore the experiences of Tanzanian women living with obstetric fistula and those of their husbands. The study was conducted at the Comprehensive Community Based Rehabilitation Tanzania hospital in Dar es Salaam, Bugando Medical Centre in Mwanza, and Mpwapwa district, in Dodoma region. Conveniently selected samples of 16 women were interviewed, and 151 additional women responded to a questionnaire. In addition, 12 women affected by obstetric fistula and six husbands of these affected women participated in a focus group discussions. Data were analysed using content data analysis framework and statistical package for the social sciences (SPSS) version 15 for Microsoft windows.

Results

The study revealed a deep sense of loss. Loss of body control, loss of the social roles as women and wives, loss of integration in social life, and loss of dignity and self-worth were located at the core of these experiences.

Conclusion

The women living with obstetric fistula experience a deep sense of loss that had negative impact on their identity and quality of life. Acknowledging affected women's real-life experiences is important in order to understand the occurrence and management of obstetric fistula, as well as prospects after treatment. This knowledge will help to improve women's sense of self-worth and maintain their identity as women, wives, friends and community members. Educational programmes to empower women socially and economically and counselling of families of women living with obstetric fistula may help these women receive medical and social support that is necessary.

"I am nothing": experiences of loss among women suffering from severe birth injuries in Tanzania

BACKGROUND

Despite the increased attention on maternal mortality during recent decades, which has resulted in maternal health being defined as a Millennium Development Goal (MDG), the disability and suffering from obstetric fistula remains a neglected issue in global health. Continuous leaking of urine and the physical, emotional and social suffering associated with it, has a profound impact on women's quality of life. This study seeks to explore the physical, cultural and psychological dimensions of living with obstetric fistula, and demonstrate how these experiences shape the identities of women affected by the condition.

METHODS

A cross-sectional study with qualitative and quantitative components was used to explore the experiences of Tanzanian women living with obstetric fistula and those of their husbands. The study was conducted at the Comprehensive Community Based Rehabilitation Tanzania hospital in Dar es Salaam, Bugando Medical Centre in Mwanza, and Mpwapwa district, in Dodoma region. Conveniently selected samples of 16 women were interviewed, and 151 additional women responded to a questionnaire. In addition, 12 women affected by obstetric fistula and six husbands of these affected women participated in a focus group discussions. Data were analysed using content data analysis framework and statistical package for the social sciences (SPSS) version 15 for Microsoft windows.

RESULTS

The study revealed a deep sense of loss. Loss of body control, loss of the social roles as women and wives, loss of integration in social life, and loss of dignity and self-worth were located at the core of these experiences.

CONCLUSION

The women living with obstetric fistula experience a deep sense of loss that had negative impact on their identity and quality of life. Acknowledging affected women's real-life experiences is important in order to understand the occurrence and management of obstetric fistula, as well as prospects after treatment. This knowledge will help to improve women's sense of self-worth and maintain their identity as women, wives, friends and community members. Educational programmes to empower women socially and economically and counselling of families of women living with obstetric fistula may help these women receive medical and social support that is necessary.

A rare case of irreparable vesico-vaginal fistula of 45 years duration successfully managed by urinary diversion

In developing countries most of the fistulas occur as a catastrophic complication of obstructed labor in young women. Constant dribbling, wetness, and stink lead to social outcasting of patients of vesico-vaginal fistula (VVF) making their life miserable. In most of the cases, timely surgery taking all required precautions is successful. In small number of cases, fistula is irreparable. Under such circumstances urinary diversion helps. Very few cases are reported in literature, where patients have endured fistula for more than 40 years. A case report of a patient of VVF, who suffered for 45 years without seeking any treatment because of prevailing circumstances is presented here. The fistula was irreparable. Urinary diversion was the only option available. She was successfully managed by urinary diversion with an ileal conduit. Now patient is leading a contented life.

Obstetric Fistula: A Preventable Tragedy

Obstetric fistula disables millions of women and girls in developing countries, primarily in sub-Saharan Africa and South Asia. The United Nations Population Fund (UNFPA) recently launched a global campaign to end fistula, labeling this condition a preventable and treatable tragedy. Obstetric fistula overwhelmingly results from obstructed labor, which occurs in cases of cephalopelvic disproportion and malpresentation. Cephalopelvic disproportion often complicates deliveries in young, primiparous women of low gynecologic age. Social factors, including young age at marriage and malnutrition of girl children, can also contribute to cephalopelvic disproportion. These social etiologies must be addressed by prevention campaigns. Direct prevention of fistula can occur during delivery when skilled providers identify women and girls at risk for obstetric fistula and link them with innovative interventions, such as Fistula Prevention Centers, through which they can more readily access emergency obstetric care, and by setting strict time limits for laboring at home without progress. Community-based programs, such as the Tostan program in West Africa, use social education to prevent fistula. Moreover, effective surgical techniques for fistula repair are available in some settings and should be expanded to reach those in need. Midwives can play a key role in the prevention and treatment of this tragic obstetric complication.

Severe chronic morbidity following childbirth

Three special, chronic morbidities of childbirth are reviewed with the most up-to-date knowledge in this article. Firstly, obstetric fistulas secondary to prolonged obstructed labour are still prevalent tragedies in underdeveloped countries. The damage is not only physical but psychosexual and social. The surgical skill and technology required to prevent and to treat obstetric fistulas are simple, but culture-social antagonism, geographic distance, political instability and financial constraint have to be overcome before effective management can take place. Congenital brachial plexus palsy is associated with shoulder dystocia and macrosomia, and both excessive exogenous traction and strong endogenous pushing forces contribute to its occurrence. As shoulder dystocia and macrosomia are not easily predictable, regular training and drill is essential to ensure proper management of shoulder dystocia. Most of the babies with brachial palsy will recover in 3 months but a minority of patients will suffer a more severe degree of damage, requiring early micro-neurosurgical intervention. Finally, although birth asphyxia is not the major cause of cerebral palsy, brain injury resulting from acute intrapartum hypoxic-ischemic insult is potentially alleviated by early neonatal hypothermic therapy. Both clinical and radiological assessments are essential in selecting suitable candidates for this innovative neuroprotective strategy.

Risk factors for obstetric fistulae in north-eastern Nigeria

This prospective comparative study of obstetric fistulae (OF) was aimed at identifying risk factors. A total of 80 obstetric fistulae treated at the gynaecological unit of the FMCG, and 80 inpatients without fistulae recruited randomly as controls formed the basis of this study. Through interview and case record review, information on age, parity and marital status was collected. Other features were educational status, occupation and booking status of the pregnancy that might have led to this condition. The duration of labour, place of birth and mode of delivery, including its outcome were also collected. The data were analysed using the Epi Info. The majority of the patients were Hausa/Fulani 87.5%, Muslims 91.2%, with large vesicovaginal fistulae (average size 5.0 cm) mainly resulting from obstructed labour (93.7%). Major risk factors included early age at first marriage (average 14 years), short stature (average height 146.2 cm) and illiteracy (96.3%). Also low social class and lack of gainful employment were factors. Failure to book for antenatal care (93.7%), and rural place of residence (95%) were also factors associated with acquiring the fistulae. Living far away (>3 km) from a health facility also contributed or predisposed to the development of an obstetric fistula. Social violence and stigma associated with the fistulae included divorce, being ostracised as a social outcast, and lack of assistance from relations in terms of finding and funding treatment. This study supports improved access to basic essential obstetric care, family planning services, and timely referral when and where necessary. Universal education will provide a long-term solution by improving the standard of living and quality of life. Especially important are media- and community-based programmes on the ills of teenage marriage and child pregnancy using cultural and religiously-based values to give sound advice. In a male dominated society, reaching out to men with traditionally palatable messages that will change their attitude and practices to taking responsibility in reproductive health could be a winning strategy.

The role of delayed childbearing in the prevention of obstetric fistulas

OBJECTIVE

To examine the role of delayed childbearing in the prevention of obstetric fistulas (OFs).

METHODS

Data on 4798 deliveries in Niger (1995-1998), 3552 in Nigeria (1996-1999), and 6789 in Tanzania (1991-1996) were analyzed with logistic regression models.

RESULTS

Young maternal age and primiparous status were identified as correlates of prolonged/obstructed labor. The annual incidence of OFs in Nigeria was found to be 2.11 per 1000 births, with 9817 cases developing each year, 28% in women and girls younger than 20 years. The predicted proportion of women experiencing prolonged/obstructed labor would be reduced by 11.2% in Niger, 11.4% in Nigeria, and 13.1% in Tanzania if the risks associated with young maternal age at first delivery and primiparity were eliminated.

CONCLUSIONS

Community programs to educate young, newly married women about delaying childbearing until they reach physical maturity should be implemented in countries with a high incidence of OFs.

Obstetric fistulae: a study of women managed at the Monze Mission Hospital, Zambia

OBJECTIVE

The objective of this study was to describe and compare characteristics of women with obstetric fistula.

DESIGN

Retrospective cross-sectional study.

SETTING

Zambia's primary fistula repair centre, Monze Mission Hospital.

SAMPLE

All women, August 2003 to December 2005.

METHOD

Review of case notes to obtain data on socio-demographic and obstetric characteristics, causative pregnancy, clinical details, and treatment. Comparison of characteristics with national data was undertaken.

RESULTS

Of 259 women, 239 had socio-demographic and obstetric records and 254 had surgical records. Educational status and height of women were significantly below the national averages, while antenatal care uptake (97.5%) and proportion from the Northern Province were significantly above. Most women (77.9%) weighed < or = 50 kg. Median age at marriage was 18 and at development of fistula was 22 years. 15.1% of women were divorced, 49.0% were primiparous, and 27.6% were parity four +. 67.5% of women had spent 2 days or longer in labour. Delays in receiving emergency obstetric care (EmOC) were experienced at home (67.5%) and at clinics (49.4%), usually due to transport difficulties. 89.1% delivered in a health facility, 50.2% of deliveries were by caesarean section, and 78.1% of babies were stillborn. 72.9% of repairs were successful, 17.3% resulted in residual stress incontinence, and 9.8% failed. Failure was significantly associated with previous repair.

CONCLUSION

More obstetric fistulae occur in areas where early marriage and pregnancy before pelvic maturity is attained is common and where obstetric care is inaccessible. In this study, age at marriage and fistula development was older than usually found, which may indicate that poor access to EmOC contributes more to this problem within Zambia.

Prospective results after first-time surgery for obstetric fistulas in East African women

The objective of this study was to document the complications, outcomes and causes of obstetric fistulas in East African women who underwent first-time surgical repair. Attention was also paid to social background and characteristics of the patients. Data were collected prospectively from patients operated on in the period from January 2001 to August 2003. Only patients who received first-time surgery and whose fistula had been caused by obstructed labour were included in the study. Eight hundred eighty-eight patients received fistula-related surgical treatment. A total of 639 of the patients with 647 fistulas underwent first-time repair. Our study comprised the 581 (90.9%) patients whose fistulas had been caused by obstructed labour. Their mean age was 27 years, 70% were shorter than 156 cm, and 30.8% had completed primary education. In 45.1%, the fistula patient was primigravida; perinatal survival was 11.5%. Mean duration between onset of the fistula and surgical treatment was 36.4 months. In 40.6%, the fistula patients lived separated from their partner. Overall closure rate of the fistulas was 93.8%. No variables were identified for success of closure using a multivariate analysis. Patients operated on within 3 months had a slightly better surgical outcome 93.9% versus 87.0%. Our population of East African obstetric fistula patients shared most of the demographic and physical features of fistula patients in the rest of the African continent. Early surgical repair (<3 months) seemed to improve the surgical outcome and can be expected to restore the social status of the patient.

Epidemiological and surgical aspects of urogenital fistulae: a review of 25 years' experience in southeast Nigeria

The aim of the study was to determine the epidemiological background, clinical details and surgical outcome of patients presenting with urogenital fistulae to St Luke's Hospital, Uyo, and the associated VVF Unit at Mbribit Itam, Akwa Ibom State, Nigeria, between January 1970 and December 1994. A retrospective review of hospital operating theater records and case notes was carried out. Clinical details and outcome were assessed for the total cohort of 2484 patients. Epidemiological data were extracted from the case notes of 715 patients presenting between January 1990 and December 1994. Of these 92.2% were of obstetric etiology, 80.3% following neglected obstructed labor, 6.9% following cesarean section, and 5.0% followed ruptured uterus; 4.4% followed pelvic surgery and the remaining 3.4% of miscellaneous causes included malignancy, coital injury, infection and trauma; 8% had a coexisting rectovaginal fistula or third-degree perineal tear. Only 37.3% of patients were aware of their age; the median age of this group was 28 years. Literacy was difficult to judge reliably, although 29% were able to sign their name. Parity ranged from 0 to 17, and only 31.4% of fistulae related to first pregnancies. Although 73.1% were delivered in hospital, in 97.1% labor was initially managed at home, with a traditional birth attendant, in a maternity home, or in church; 34.1% were delivered by cesarean section, although the live-birth rate was only 10.3% in the causative pregnancy. For a variety of reasons 124 women were not operated upon: 1954 underwent only one operation, giving a presumptive cure rate at first operation of 81.2%; 247 underwent two, 116 three, 32 four, and 11 five operations during the study period. The ultimate closure rate was 97.7%, with only 0.6% undergoing urinary diversion. The type and distribution of fistulae recorded in this series is consistent with previous series of largely obstetric fistulae from the developing world. Surgical cure rates are also comparable. The epidemiological background is at variance with previous reports in several respects; this may reflect biosocial differences in the population studied.

The problem of post-partum fistulas in developing countries

Postpartum fistulas are frequent in the tropical environment. They are mostly found in very young women who live in remote areas. Without treatment women with fistulas will be condemned to the disconsolate life of social outcasts. Good operative treatment is crucial. The different operative methods are discussed. The operation through vaginal approach can be performed in any hospital. It does not need special surgical skill. More important than surgery is prevention of postpartum fistulas through a well-organised primary health care program which reaches out into the villages and which includes adequate prenatal controls and competent midwifery.

The epidemiology of genitourinary fistulae in Kumasi, Ghana, 1977-1992

The aim of the study was to determine the clinical epidemiology of genitourinary fistulae as seen at Komfo Anokye Teaching Hospital in Kumasi, Ghana. A retrospective study was carried out from the hospital records and operative reports of all patients with genitourinary fistulae seen at Komfo Anokye Teaching Hospital between January 1977 and December 1992. Patient age, parity, type of fistula and cause of fistula were abstracted from the medical records. There were 164 cases of genitourinary fistula managed during the study period. There were 150 fistulae due to obstetric causes (91, 5%), the vast majority of which were due to prolonged obstructed labor (121 cases, 73.8% of all fistulae), with a minority related to complications of lower-segment cesarean section (14 cases, 8.5% of all fistulae). In 5 cases (3.1%) patients developed a rectovaginal fistula owing to perineal tears and prolonged obstructed labor. During this time period there were 157,449 deliveries, giving an obstetric fistula rate of 1 fistula per 1000 deliveries. Obstetric fistulae were most common at the extremes of reproductive age and parity Fourteen additional fistulae (8.5% of all cases) were due to gynecologic causes, most commonly from surgical injury occurring at the time of abdominal hysterectomy for leiomyomata uteri (12 cases, 7.3% of all fistulae). It was concluded that in Kumasi, Ghana, obstetric trauma from prolonged obstructed labor is the most common cause of genitourinary fistula formation. Such fistulae occur in older multiparous women as well in young primigravidae. Obstructed labour can, and does, occur in women who have previously undergone uneventful vaginal delivery. Birth attendants should be aware of that fact. Prompt referral for obstetric intervention should be made in obstructed labor, irrespective of the age and parity of the patient.