BUD is an environmentally acquired infection strongly associated with exposure to river areas. Exposed skin may facilitate transmission. Until transmission is better defined, control strategies in BUD-endemic areas could include covering exposed skin.
Abstract. Buruli ulcer is a devastating emerging disease in tropical countries. Quantitative and qualitative data were obtained by interviewing patients with this disease and control subjects in Ghana. Common perceived causes were witchcraft and curses. Other reported causes were personal hygiene, environment, and close contact with a patient with this disease. Financial difficulties, fear of the mutilating aspects of treatment, and social stigma were the main reasons found for delay in obtaining treatment. Patients are reluctant to seek treatment outside their own community. Patients often expected medical treatment instead of surgery, and underestimated the duration of hospital admission. The stigma of the disease is huge, and is strongly associated with the mysterious nature of the condition, the lack of knowledge about its mode of transmission, and the lack of proper treatment. Stigma scores were higher in unaffected respondents and in a less endemic location. Education on the disease, usually propagated for early case detection, might be useful in reducing stigma.
Because of the emergence of Buruli ulcer disease, the World Health Organization launched a Global Buruli Ulcer Initiative in 1998. This indolent skin infection is caused by Mycobacterium ulcerans. During a study of risk factors for the disease in Ghana, adequate excisional skin-biopsy specimens were obtained from 124 clinically suspicious lesions. Buruli ulcer disease was diagnosed in 78 lesions since acid-fast bacilli (AFB) were found by histopathologic examination. Lesions with other diagnoses included filariasis (3 cases), zygomycosis (2 cases), ulcerative squamous cell carcinomas (2 cases), keratin cyst (1 case), and lymph node (1 case). Thirty-seven specimens that did not show AFB were considered suspected Buruli ulcer disease cases. Necrosis of subcutaneous tissues and dermal collagen were found more frequently in AFB-positive specimens compared with specimens from suspected case-patients (p<0.001). Defining histologic criteria for a diagnosis of Buruli ulcer disease is of clinical and public health importance since it would allow earlier treatment, leading to less deforming sequelae.
After start of antimicrobial treatment for Buruli ulcer, new or progressive ulceration is common before healing sets in. This paradoxical response, most prominent at the end of the 8-week antimicrobial treatment, should not be misinterpreted as failure to respond to treatment. Clinical Trials Registration. ClinicalTrials.gov, NCT00321178.
Buruli ulcer is a devastating condition emerging in West Africa. We investigated why patients often report late to the hospital. Health seeking behaviour determinants and stigma were studied by in-depth interviews in patients treated in hospital (n=107), patients treated traditionally (n=46) of whom 22 had active disease, and healthy community control subjects (n=107). We developed a model capturing internal and external factors affecting decision making. With increasing severity, extent and duration of Buruli ulcer, a shift of influencing factors on health seeking behaviour appears to occur. Factors causing delay in presenting to hospital were the use of traditional medicine before presenting at the treatment centre; costs and duration of admission; disease considered not serious enough; witchcraft perceived as the cause of disease; and fear of treatment, which patients expected to be amputation. This study confirms the importance of self-treatment and traditional healing in this area. Our study was performed before antimicrobial treatment was introduced in Benin; we suggest that this model and the results from this analysis should be used as a baseline from which to measure the influence of the introduction of antimicrobial treatment on health seeking behaviour for Buruli ulcer in Benin.
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