A study was conducted in new patients registered with tuberculosis (TB) in a rural district of Malawi to determine (i) the prevalence of malnutrition on admission and (ii) the association between malnutrition and early mortality (defined as death within the first 4 weeks of treatment). There were 1181 patients with TB (576 men and 605 women), whose overall rate of infection with human immunodeficiency virus (HIV) was 80%. 673 TB patients (57%) were malnourished on admission (body mass index [BMI] < 18.5 kg/m2). There were 259 patients (22%) with mild malnutrition (BMI 17.0-18.4 kg/m2), 168 (14%) with moderate malnutrition (BMI 16.0-16.9 kg/m2) and 246 (21%) with severe malnutrition (BMI < 15.9 kg/m2). 95 patients (8%) died during the first 4 weeks. Significant risk factors for early mortality included increasing degrees of malnutrition, age > 35 years, and HIV seropositivity. Among all the 1181 patients, 10.9% of the 414 patients with moderate to severe malnutrition died in the first 4 weeks compared with 6.5% of the 767 patients with normal to mild malnutrition (odds ratio 1.8, 95% confidence interval 1.1-2.7). In patients with TB, BMI < 17.0 kg/m2 is associated with an increased risk of early death.
Summary:In Thyolo District, Malawi, a study was conducted among commercial sex workers (CSWs) attending mobile clinics in order to; determine the prevalence and pattern of sexually transmitted infections (STIs), describe sexual behaviour among those who have an STI and identify risk factors associated with`no condom use' .There were 1817 CSWs, of whom 448 (25%) had an STI. Of these, the commonest infections included 237 (53%) cases of abnormal vaginal discharge, 109 (24%) cases of pelvic in¯ammatory disease and 95 (21%) cases of genital ulcer disease (GUD). Eightyseven per cent had sex while symptomatic, 17% without condoms. Having unprotected sex was associated with being married, being involved with commercial sex outside a known rest-house or bar, having a GUD, having fewer than two clients/day, alcohol intake and having had no prior medication for STI.The high levels of STIs, particularly GUDs, and unprotected sex underlines the importance of developing targeted interventions for CSWs and their clients.
Objectives: To describe health seeking and sexual behaviour including condom use among patients presenting with sexually transmitted infections (STIs) and, to identify sociodemographic and behavioural risk factors associated with "no condom use" during the symptomatic period. Methods: A cross sectional study of consecutive new STI cases presenting at the district STI clinic in Thyolo, Malawi. They were interviewed by STI counsellors after obtaining informed consent. All patients were treated according to national guidelines. Results: Out of 498 new STI clients, 53% had taken some form of medication before coming to the STI clinic, the most frequent alternative source being the traditional healer (37%). 46% of all clients reported sex during the symptomatic period (median 14 days), the majority (74%) not using condoms. 90% of all those who had not used condoms resided in villages and had seen only the traditional healer. Significant risk factors associated with "no condom use" included visiting a traditional healer, being female, having less than 8 years of school education, and being resident in villages. Genital ulcer disease (GUD) was the most common STI in males (49%) while in females this comprised 27% of STIs. Conclusions: These findings, and especially the extremely high GUD prevalence is of particular concern, considering the high national HIV prevalence in Malawi (9%) and the implications for STI and HIV transmission. There is an urgent need to integrate traditional healers in control activities, encourage their role in promoting safer sexual behaviour, and to reorient or even change existing strategies on condom promotion and STI control. S exually transmitted infections (STIs) are known to facilitate the sexual transmission of HIV 1 2 and effective STI case management is known to reduce the incidence of HIV.3 Malawi has both high HIV and high STI rates. The national HIV prevalence in Malawi is 9%, while among antenatal women the syphilis seroprevalence is estimated at 2-10%. 4 In 1990, 42% of antenatal clinic attendees were diagnosed with at least one STI and HIV infection rates among patients with STIs range from 53-83%.5 STI control in Malawi is therefore of major public health importance.An important determinant of effective STI control is the health seeking behaviour of people with STIs who may seek care from alternative sources (outside an official STI clinic) such as traditional healers, private clinics, pharmacists, and market vendors.Traditional healers in particular are well reputed in African rural communities and are often considered to be the most appropriate initial point of contact for help when symptoms of STIs are thought to be linked to traditional beliefs and related perceptions. 6 Knowledge about the relative importance of these alternative providers in STI control could encourage better collaboration with some of these groups, encourage early referral for effective antibiotic treatment, and help remove or reduce potential barriers to STI control.Control of STIs involves not only pro...
In Thyolo district, Malawi, an operational research study is being conducted on the efficacy and feasibility of co-trimoxazole prophylaxis in preventing deaths in HIV-positive patients with tuberculosis (TB). A series of cross-sectional studies were carried out in 1999 and 2001 to determine (i) whether faecal Escherichia coli resistance to co-trimoxazole in TB patients changed with time, and (ii) whether the resistance pattern was different in HIV-positive TB patients who were taking co-trimoxazole prophylaxis. Co-trimoxazole resistance among E. coli isolates in TB patients at the time of registration was 60% in 1999 and 77% in 2001 (P < 0.01). Resistance was 89% among HIV-infected TB patients (receiving cotrimoxazole), while in HIV-negative patients (receiving anti-TB therapy alone) it was 62% (P < 0.001). The study shows a significant increase of E. coli resistance to co-trimoxazole in TB patients which is particularly prominent in HIV-infected patients on co-trimoxazole prophylaxis. Since a high degree of plasmid-mediated transfer of resistance exists between E. coli and the Salmonella species, these findings could herald limitations on the short- and long-term benefits to be expected from the use of co-trimoxazole prophylaxis in preventing non-typhoid Salmonella bacteraemia and enteritis in HIV-infected TB patients in Malawi.
A study was conducted among individuals seeking voluntary HIV counselling and testing (VCT) in order to (a) describe their motives and source(s) of information, (b) describe their sexual behaviour; and (c) identify risk factors associated with HIV infection. Of 723 individuals who sought VCT, the most common reason (50%) was recent knowledge of HIV/AIDS and a desire to know their HIV status. The majority (77%) underwent VCT after being encouraged by others who knew their status. Ninety five per cent reported sexual encounters, with 337 (49%) engaging in unprotected sex. HIV prevalence was 31% and an HIV-positive status was associated with being female, being over 25 years of age and/or being a farmer. There is a demand for VCT, and the service provides an opportunity for intensive education about HIV/AIDS prevention on a one-to-one basis. It could also be an entry point to prevention and care for those who are infected.
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