Print version ISSN 0042-9686
Bull World Health Organ vol.88 n.12 Genebra Dec. 2010
La circoncision masculine traditionnelle dans l'est et le Sud de l'Afrique: une évaluation systématique de sa prévalence et des complications
Circuncisión masculina tradicional en el África oriental y meridional: revisión sistemática de su prevalencia y complicaciones
Andrea WilckenI,*; Thomas KeilI; Bruce DickII
IInstitute for Social Medicine, Epidemiology and Health Economics, Charité University Medical Centre, Berlin, Germany
IIDepartment of Child and Adolescent Health, World Health Organization, Geneva, Switzerland
OBJECTIVE: To systematically review studies on the prevalence and complications of traditional male circumcision (i.e. circumcision by a traditional provider with no formal medical training), whose coverage and safety are unclear.
METHODS: We systematically searched databases and reports for studies on the prevalence and complications of traditional male circumcision in youth 10-24 years of age in eastern and southern Africa, and also determined the ages at which traditional circumcision is most frequently performed.
FINDINGS: Six studies reported the prevalence of traditional male circumcision, which had been practised in 25-90% of all circumcised male study participants. Most circumcisions were performed in boys 13-20 years of age. Only two of the six studies on complications reported overall complication rates (35% and 48%) following traditional male circumcision. The most common complications were infection, incomplete circumcision requiring re-circumcision and delayed wound healing. Infection was the most frequent cause of hospitalization. Mortality related to traditional male circumcision was 0.2%.
CONCLUSION: Published studies on traditional male circumcision in eastern and southern Africa are limited; thus, it is not possible to accurately assess the prevalence of complications following the procedure or the impact of different traditional practices on subsequent adverse events. Also, differences in research methods and the absence of a standard reporting format for complications make it difficult to compare studies. Research into traditional male circumcision procedures, practices and complication rates using standardized reporting formats is needed.
OBJECTIF: Évaluer de façon systématique les études sur la prévalence et les complications de la circoncision masculine traditionnelle (c'est-à-dire la circoncision par un prestataire traditionnel, sans aucune formation médicale officielle), pour laquelle la couverture et la sécurité sont incertaines.
MÉTHODES: Nous avons recherché de façon systématique dans les bases de données et les rapports des études sur la prévalence et les complications liées à la circoncision traditionnelle chez les jeunes hommes âgés de 10 à 24 ans dans l'Est et le Sud de l'Afrique. Nous avons également déterminé les âges auxquels la circoncision traditionnelle est la plus fréquemment réalisée.
RÉSULTATS: Six études ont rapporté la prévalence de la circoncision masculine traditionnelle, pratiquée chez 25 à 90% de tous les participants masculins circoncis étudiés. La plupart des circoncisions ont été effectuées sur des garçons âgés de 13 à 20 ans. Seules deux des six études sur les complications ont indiqué des taux de complications globaux (35% et 48%) suite à une circoncision masculine traditionnelle. Les complications les plus communes étaient une infection, une circoncision incomplète nécessitant une nouvelle circoncision ainsi que des retards de cicatrisation. L'infection était la cause d'hospitalisation la plus fréquente. La mortalité liée à la circoncision masculine traditionnelle s'élevait à 0,2%.
CONCLUSION: Les études publiées sur la circoncision masculine traditionnelle en Afrique orientale et méridionale sont limitées. Il est donc impossible d'aborder avec précision la prévalence des complications suite à l'opération ou l'impact des différentes pratiques traditionnelles sur les événements négatifs ultérieurs. De plus, les différences dans les méthodes de recherche et l'absence d'un format de rapport standard des complications rendent difficile la comparaison des études. Des recherches en matière d'opérations, de pratiques et de taux de complications de la circoncision masculine traditionnelle utilisant des formats de rapport normalisés sont donc nécessaires.
OBJETIVO: Revisar sistemáticamente los estudios realizados sobre la prevalencia y las complicaciones de la circuncisión tradicional masculina (es decir, circuncisión realizada por curanderos sin ningún tipo de formación médica reglada), cuyo alcance y seguridad son inciertas.
MÉTODOS: Se realizaron búsquedas sistemáticas en las bases de datos y en los informes de los estudios realizados sobre la prevalencia y las complicaciones de la circuncisión masculina tradicional en jóvenes de entre 10 y 24 años de edad en el África oriental y meridional. También se determinaron las edades en las que se suele realizar la circuncisión tradicional.
RESULTADOS: Seis estudios informaron sobre la prevalencia de la circuncisión masculina tradicional, que se había practicado en el 25-90% de todos los participantes circuncidados del estudio. La mayoría de las circuncisiones se realizaron en jóvenes con edades comprendidas entre los 13 y los 20 años. De los seis estudios sobre las complicaciones, únicamente dos notificaron las tasas globales de las mismas (35% y 48%) tras la circuncisión masculina tradicional. Las complicaciones más frecuentes fueron: infección, circuncisión incompleta (requiriendo una segunda circuncisión) y retraso en la cicatrización. La causa más frecuente de hospitalización fue la infección. La mortalidad asociada a la circuncisión masculina tradicional fue del 0,2%.
CONCLUSIÓN: Los estudios publicados sobre la circuncisión masculina tradicional en África oriental y meridional son escasos, por lo que no se puede evaluar con exactitud la prevalencia de complicaciones posteriores al procedimiento o las consecuencias de las distintas prácticas tradicionales en los acontecimientos adversos subsiguientes. Además, las diferencias existentes en los métodos de investigación y la ausencia de un formulario normalizado de notificación de complicaciones dificultan la comparación de los estudios. Es necesario realizar investigaciones sobre los procedimientos, las prácticas y los índices de complicaciones de la circuncisión tradicional masculina que utilicen formularios normalizados de notificación.
Globally, 30% of men are circumcised, mostly for religious reasons.1 In many African societies, male circumcision is carried out for cultural reasons, particularly as an initiation ritual and a rite of passage into manhood. The procedure herein referred to as traditional male circumcision is usually performed in a non-clinical setting by a traditional provider with no formal medical training. When carried out as a rite of passage into manhood, traditional male circumcision is mainly performed on adolescents or young men. The self-reported prevalence of traditional male circumcision varies greatly between eastern and southern Africa, from 20% in Uganda and southern African countries to more than 80% in Kenya.2
Randomized controlled trials have shown a substantial protective effect of male circumcision with respect to female-to-male transmission of human immunodeficiency virus (HIV).3-5 In these studies, complications following male circumcision ranged from 1.7% to 7.6% and were mostly of minor clinical significance.6,7 However, serious complications and even deaths have been reported from traditional male circumcision carried out on adolescents.8,9 While medical male circumcision is increasingly being incorporated in comprehensive strategies for the prevention of HIV infection10, traditional providers will continue to be an important source of circumcision for many males in eastern and southern Africa and will not easily be replaced by male circumcision performed in a clinical setting for reasons that are both cultural and linked to health service capacity. Our aim in this systematic review was to evaluate traditional male circumcision in eastern and southern Africa in terms of its prevalence, the age at which the procedure is undertaken and the complications arising from it.
An initial search of African Healthline and African Index Medicus using the terms "traditional circumcision" and "traditional circumcisers" brought up no studies; we therefore excluded these databases from the subsequent search. We searched for primary studies in MEDLINE, Web of Science, Popline and African Journals OnLine using the terms "male circumcision AND traditional", "traditional circumcisers", "male circumcision AND anthropology", "male circumcision AND complications", "male circumcision AND history", "male circumcision AND manhood/masculinity/rite of passage". The search was limited to the period from January 1980 to February 2008 and covered articles published in any language. Additional reports were provided by key researchers and members of the Joint United Nations Programme on HIV/AIDS Working Group on Male Circumcision, and the East and Southern Africa Inter-Agency Task Team on Male Circumcision. We also searched all the references listed in the articles identified during the initial search.
To be included in the review, articles had to describe original research studies from eastern and southern Africa that reported on the prevalence or complications of traditional male circumcision (as defined in the introduction) performed on youth 10-24 years of age, either specifically or in the context of a larger study. For assessing prevalence and age, we included cross-sectional, cohort and register studies; for assessing complications, we also included intervention studies. Studies reporting on male circumcision provided through medical facilities were excluded, as were studies focusing on newborn and infant circumcision.
Evaluation of studies
Two medically trained reviewers (AW, TK) independently evaluated identified studies in terms of methods, study design and representativeness of the study population. The reviewers then extracted the data relating to prevalence, age and complications of traditional male circumcision. Any discrepancies in the evaluation were resolved by consensus.
The review identified 11 articles reporting on 12 studies (Fig. 1). Of the included articles, six reported on the prevalence of traditional male circumcision,11-16 eight on age at the time of the procedure11- 18 and six on complications following the procedure14,17-21
Only one study reported national prevalence estimates of traditional male circumcision (Table 1). In that study, from Namibia, 21% of the males in the sample had been circumcised, and one-quarter of them indicated that they had been circumcised by a traditional provider.15In the remaining studies that provided information on the prevalence of traditional male circumcision, the information was collected at the district level.11-14,16 The percentage of men reportedly circumcised varied from 52% in an urban setting in Mbale district, Uganda,13 to 80% in rural areas of the Southern Rift Valley in Kenya,11 and 99% in rural and urban areas of Tarime district, in the United Republic of Tanzania.16 Rates of circumcision performed by traditional circumcisers in districts where male circumcision is widely practised were up to 90% in Uganda,13 74% in Kenya11 and 63% in the United Republic of Tanzania.16 In the townships of the Gauteng province of South Africa, 10% of males aged 14-24 years and 22% of those aged 19-29 years were reportedly circumcised, in 58-65% of cases by traditional circumcisers.12,14 The choice of providers depended on the affiliation to different ethnic groups; for example, 86% of Xhosa participants were circumcised by traditional providers compared with only 37% of Tswana men.12
Age at traditional male circumcision varied both within and among countries and ranged from 13 to 20 years (Table 1).11-14,17,18 In the United Republic of Tanzania, the period prevalence of circumcision was 86.5% at 18 and 99% at 21.5 years of age.16 In Namibia, 84% of boys were circumcised before the age of 13 years: in Omaheke and Kunene districts, most boys were below 2 years of age, and in Kavango district they were generally between 9 and 12 years of age.15
Overall complication rates
Only two out of six studies reported overall complication rates following traditional male circumcision; rates were 35% in Kenya (83% for 12 directly observed study participants)18 and 48% in South Africa (Table 2).14
Types of complications
Two studies used direct observation to assess complications after traditional male circumcision.17,18 Infection and delayed wound healing were the most common complications. No severe bleeding occurred in the Kenyan (n = 12),18 and the South African study (n = 192).17 Excessive circumcision was reported as a primary complication after traditional male circumcision in the South African study17 and as a secondary result of incomplete initial circumcision in the Kenyan study.18 Re-circumcision resulted in excessive removal of skin and a deepened wound with prolonged wound healing, excessive scarring and loss of penile sensitivity. Delayed wound healing and keloid scarring were also associated with the use of a powder containing penicillin and talc that is used for wound care by traditional providers in Kenya.18 Fatalities did not occur in the South African study17 and one death was prevented by the research team in the Kenyan study.18
One study assessed complications based on recall by participants (n = 108).14 In contrast to results from direct observation, bleeding (26%) and severe pain (43%) were reported as being major adverse results, whereas delayed wound healing was not mentioned and local infections were reported in only 4% of cases.14
According to hospital admission records, infection was the most common reason for admission in Kenya, Nigeria and South Africa.19,20 In the South African study, two-thirds of the cases presented with systemic infection requiring treatment with antibiotics.19 Four of the 45 admitted patients had lost the glans of the penis and two patients lost the entire penis. In this study, 93% of the 45 subjects presented with some form of penile injury resulting not necessarily from the circumcision procedure itself but from poor post-operative wound care. Such care included tight bandages (traditionally believed to improve wound healing), which constricted the blood supply of the penile skin, in some cases causing occlusion of the deep dorsal arteries and leading to gangrene.19 The study from Kenya and Nigeria reported loss of the penis in 6% of all admitted cases.20 Dehydration was a frequent cause of death, due to fluid being restricted after the circumcision as a further test of the initiates' endurance.19
Another study analysed circumcision-related complications from register data for 10 609 young men circumcised in the Eastern Cape province, South Africa, in June 2005.21 Of these, 3% were admitted for circumcision-related complications. Amputations or mutilations occurred in 0.1% of the cases and 0.2% of the 10 609 young men died. Septicaemia, pneumonia and dehydration were the most frequent causes of death.
Complications after circumcision by traditional versus medical providers
Three studies compared complications following circumcision by traditional and medical providers.14,18,20 Medical providers included surgeons,20 surgeons and general practitioners,14 and clinical officers,18 although "medical" circumcisions in the study by Bailey also included circumcisions by uncertified practitioners with little or no formal training in health care.18 In this study, directly observed complications occurred in 11 of 12 boys circumcised by a medical provider and in 10 of 12 boys circumcised traditionally (Table 2).18 However, more severe permanent adverse sequelae, such as loss of erectile function, persistent swelling and extensive scarring (n = 4), occurred in the traditionally circumcised group, whereas in the medical group, adverse sequelae were mostly cosmetic (pronounced torsion, jagged cut line with massive foreskin remaining, n = 3).18 Based on self-reporting by 445 medically circumcised boys, the overall rate of complications following male circumcision by medical providers was 18%, with infection and ruptured sutures being the most common acute complications. Among the 1007 study participants, infection was equally common among those circumcised traditionally and medically (data for 709 participants from self-report). Traditionally circumcised boys were less likely to access post-operative care (odds ratio: 0.67; 95% confidence interval: 0.45-0.99).18 Direct observation of 298 subjects on day 62 (median) after male circumcision revealed significant differences between the traditionally and medically circumcised groups.18 In the study of hospitals in Nigeria and Kenya, complete or partial amputation of the penis had occurred in 14% of the 50 hospital admissions after traditional male circumcision, but not once after medical male circumcision by surgeons (n = 249). The types of complications leading to admission after traditional male circumcision were not common after medical male circumcision, with rates of 3% for serious wound infection, 1% for severe bleeding and 0% for incomplete circumcision.20 In the study in the Gauteng township of South Africa, self-reported healing time (median: 3 weeks) did not differ among those who were circumcised traditionally or medically.14 However, the frequency of self-reported pain differed significantly between the two groups: 86% after traditional male circumcision and 61% after medical male circumcision.14
None of the studies reported on the assessment of confounders potentially related to the complications seen after traditional male circumcision, such as diabetes or coagulopathies.
National prevalence of traditional male circumcision is unknown for most countries in eastern and southern Africa. Data were available for Namibia, however, and indicated that one in four circumcisions is done by a traditional circumciser. Studies reporting on providers of male circumcision at district level were available from Kenya, South Africa, the United Republic of Tanzania and Uganda, with the prevalence of circumcisions performed by traditional circumcisers ranging from 37% to 90%.
The median age at circumcision ranged from 13 to 20 years, with considerable variation within and among countries, depending on the traditions of different ethnic groups.12,15 In some settings, circumcision may take place at an earlier age, especially when parents have their sons circumcised in a clinical setting in anticipation of fewer complications.18
The best available evidence on the complications following traditional male circumcision comes from a large cohort study in Kenya that reported a complication rate of 35%.18 Other studies were methodologically poor (e.g. retrospective assessments, lack of control group and self-reporting of complications) and most were cross-sectional.14,17,19-21 The included studies showed significantly higher rates of complications after traditional male circumcision than after male circumcision provided in a clinical setting. However, complications were also high for the clinical setting, perhaps because this type of circumcision was sometimes undertaken by untrained and underequipped health workers (18-25%).14,18
A comparison of the frequency of complications across studies was hampered by different research methods and lack of standardization in reporting. In general, poor postoperative wound care seemed to account for more complications than the circumcision itself,17-19 a finding that has important implications for the training of traditional circumcisers. Suturing the wound after traditional male circumcision is not a routine practice, but different traditional techniques (e.g. certain herb preparations) are being used to establish haemostasis.23 Analysis of hospital records in Kenya and Nigeria showed severe haemorrhage in 16% of the cases admitted after traditional male circumcision,20 but no severe bleeding was reported from the studies based on direct observation.17,18 More than 10% of males admitted to hospitals in Kenya, Nigeria and South Africa after traditional circumcision had partial or complete amputation of the penis, a condition that has serious life-long implications when it cannot be remedied through reconstructive surgery.19,20
Little information was available on the factors that may have contributed to the occurrence of complications, such as the technique, the setting (e.g. the initiate's or the traditional circumciser's home, an initiation school or mass circumcision at a public place), the instruments used or the methods of cleaning them. The exception was the study by Peltzer, which evaluated the impact of a training intervention for traditional circumcisers in the Eastern Cape province of South Africa.17 The authors reported continuous use of the traditional assegai (spear) by more than half of the traditional circumcisers in initiation schools, despite having been trained in safer techniques and provided with surgical blades. Similarly, one-third of the traditional nurses did not wear gloves for postoperative wound care, although the practice was recommended in their training.
Relevant studies may have been missed if they were not included in the databases searched for this review. Additional studies in the published literature were found, however, by contacting experts on male circumcision and by hand-searching for unpublished studies in the reference lists of all the publications identified in the initial search. We restricted our review to eastern and southern Africa because of the high prevalence of HIV infection in this region and the potential role traditional male circumcision providers could play in this context, especially in performing circumcision where access to formal health services is limited. The increasing demand for services by the population could generate a new "market", with fly-by-night, self-declared "traditional circumcisers" with no training whatsoever seizing the opportunity to earn money.
Another possible limitation of our study is the exclusion of all Demographic and Health Survey (DHS) reports except for the one from Namibia, which was alone in providing prevalence estimates relating specifically to traditional male circumcision. The small sample sizes of some of the studies on the prevalence of traditional male circumcision limit the generalizability of the reported results. For all prevalence estimates of male circumcision, the calculated 95% confidence intervals were narrow. Subnational prevalence estimates vary considerably within most eastern and southern African countries. Therefore, district-level data cannot be interpreted as nationally representative, whatever the sample size.
Prevalence estimates based on data from self-report may lack validity; for example, up to 20% of the men in one study falsely reported having been circumcised.24 Comparability of the results across studies may also be hampered by the use of different terminology. Some languages lack a specific word for male circumcision and phrases such as "being a man", or "having been initiated into manhood" are used instead (personal communication at regional consultation on young people and male circumcision in eastern and southern Africa, Johannesburg, South Africa, 2008). Men who report having been circumcised may be referring to the cultural initiation rites, with or without the surgical removal of the foreskin. No details have been provided about the techniques used to remove the foreskin partially or completely,25 although complication rates and the effectiveness of the procedure in preventing HIV infection vary with the type of surgical technique employed.
Implications for research and public health
Randomized controlled trials are the best sources of evidence on the safety of interventions. However, in the cultural context of traditional male circumcision, this type of study design is not feasible and carefully planned cohort studies are probably the best alternative.
More information on the providers of male circumcision is needed to improve the safety of the procedure. Male circumcision performed as a rite of passage is not necessarily carried out by a traditional circumciser; for example, half of the young men medically circumcised in Nigerian and Kenyan hospitals indicated "cultural initiation into manhood" as their reason for having been circumcised.20 Nevertheless, in most eastern and southern African countries, circumcisions are still carried out primarily by traditional circumcisers, although these vary in type from those whose role is handed down from generation to generation to health workers without specific training in male circumcision.26
One approach to minimizing complications following traditional male circumcision is to strengthen collaboration with the traditional sector by training traditional circumcisers.17 Further research is warranted to assess the feasibility and impact of such training interventions. Another alternative, practised in Kenya, is to carry out circumcision in hospitals, followed by a "modern" period of seclusion for receiving education on health, life skills and religious and cultural issues. In keeping with accepted traditions, these hospital programmes mostly adhere to male-only care throughout the operation and the period of instruction.27-29 In 2006, such programmes accounted for 4% of all boyhood circumcisions during the circumcision season in Kenya (every other year during a specific period of the year),27 where their high acceptability has reduced the stigmatization of boys not circumcised in traditional settings.29 In South Africa, the integration of medical male circumcision with traditional manhood initiation rituals still lacks acceptability; 70% of men fear being stigmatized if they are circumcised medically.30 Studies should be conducted on the acceptability of medical male circumcision in communities where male circumcision is carried out for traditional ritualistic purposes.
Prospective studies of better quality (e.g. with larger samples and a thorough assessment of outcomes and potential confounders) are needed to systematically assess the frequency of complications following traditional male circumcision in adolescents and young men. While hospital admission records can provide information on severe complications following the procedure, population estimates of complications cannot be calculated from studies based on hospital admission data. Furthermore, many initiates may not be able to seek post-circumcision care in medical facilities because dropping out of initiation school is regarded as shameful in some contexts.31 Initiates stay at these retreats or "initiation schools" not only for wound care after circumcision, but because this period of seclusion constitutes a very important part of the ritual for transmitting sociocultural norms and preparing for adult life.32 Also, contact with women is forbidden during the period of seclusion after traditional male circumcision, and going to a hospital would be likely to involve contact with female health workers.33
This is the first reported systematic review of studies on the prevalence and complications of traditional male circumcision. Most studies available from eastern and southern Africa were inadequate for assessing the prevalence or safety of traditional male circumcision in that region. Prevalence data should be collected in conjunction with information on providers of circumcision (e.g. through DHSs). High-quality prospective studies in different settings are urgently required to assess the complications of traditional male circumcision. Research on traditional male circumcision practices would also be useful to develop ways of strengthening collaboration with the medical sector, improving the safety of traditional male circumcision, and assessing the efficacy of training programmes for traditional circumcisers. Finally, studies should be conducted on the acceptability of medical male circumcision in communities where traditional circumcision is practised, and on how acceptability can affect the scaling up of medical male circumcision in such communities.
Competing interests: None declared.
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(Submitted: 2 October 2009 - Revised version received: 31 May 2010 - Accepted: 1 June 2010 - Published online: 29 October 2010)