Summaryobjective To measure the seroprevalence of human immunodeficiency virus (HIV) infection and syphilis, and to assess the behavioural risk factors for these infections among migrant-returnees and non-migrants in far western Nepal.methods In April 2001, we recruited 97 male migrant-returnees and 40 non-migrants from five rural villages in Doti district where migration to Mumbai is common. For data collection, we conducted a serological examination for HIV and syphilis, and a perception and behaviour survey on HIV and other sexually transmitted infections.results We found that 11 of 137 men (8%) were positive for HIV infection and 30 men (22%) for syphilis. The respondents, especially the migrant-returnees from Mumbai, were engaging in risky behaviours such as pre-or extramarital sex, and sex with multiple partners, including sex workers.conclusions This study revealed high HIV and syphilis prevalence among the male migrant-returnees and non-migrants in far western Nepal where migration to Mumbai is common. The prevalent behaviours, particularly among the migrant-returnees, imply urgent needs of the behavioural modification programme in this area to prevent the spread of HIV infection to general population.
SummaryIn this paper, we evaluated a western medical training model for traditional healers (THs) in rural Nepal. We used semi-structured interviews to compare 48 trainees with 30 randomly selected untrained THs, 1 year after the training was completed. We asked them about their knowledge of the causes, prevention and treatment of common illnesses and HIV/AIDS, and their relationship with government health workers (GHWs) in the area. Nine GHWs were also interviewed about their perceptions of THs. We found that trained THs had a better knowledge of allopathic medicine, practised modern treatment using first aid kits, and were more likely to refer patients to GHWs. They also improved their relationships with the GHWs. Up-scaling this model is a challenge for improving community health care in Nepal in the future.keywords traditional healers, human resource development, community health, Nepal
ABSTRACT-Recently, it has been pointed out that growth factors play an important role in the healing of gastrointestinal ulcers. In the present study, we examined the role of endogenous basic fibroblast growth factor (bFGF) in the healing of gastric ulcers in the rat. In male SD rats, gastric ulcers were induced in the antrum by injection of acetic acid. Time-dependent changes in the area and bFGF content in the ulcerated area and distribution of bFGF in the ulcerated mucosa were examined. Effects of bFGF mutein CS23 (TGP-580) and a monoclonal antibody for bFGF (MAb 3H3) on the healing of the gastric ulcers and angiogenesis in the ulcer bed were also examined. The content of bFGF in the ulcerated area increased with time as the ulcer healed and reached a maximum 7 days after ulcer formation. In the gastric ulcer bed, many cells such as fibroblasts and macrophages were positively stained immunohistochemically by anti-bFGF antiserum. MAb 3H3 (0.1 mg/rat/day, i.v.) inhibited angiogenesis in the ulcer bed and significantly delayed ulcer healing, while TGP-580 (0.001 -0.1 mg/kg x 2/day, p.o.) increased the number of microvessels in the ulcer bed and accelerated the healing. These results suggest that endogenous bFGF may play an important role in the healing of gastric ulcers in the rat and that the angiogenic properties of bFGF (TGP-580) may be involved in its effect on ulcer healing.
ABSTRACT-The mucosal protective effect of lansoprazole, a proton pump inhibitor, was examined in ethanol-and acidified taurocholate-induced rat gastric lesion models. The formation of gastric lesions was markedly inhibited by prostaglandin E2 but hardly inhibited by cimetidine, ranitidine and famotidine. Lansoprazole (3-30 mg/kg, p.o.) inhibited the formation of gastric lesions in a dose-dependent manner, with ID50 values of 8.5 (ethanol) and 4.1 mg/kg, p.o. (acidified taurocholate). The protective effect of lansoprazole was significantly decreased by functional ablation of capsaicin-sensitive sensory neurons or prior administration of indomethacin or Nw-nitro-L-arginine methyl ester (L-NAME), a selective inhibitor of nitric oxide (NO) synthesis. The inhibitory effect of L-NAME was antagonized by prior administration of L-arginine, a substrate of endogenous NO, but not D-arginine. The antisecretory effect of lansoprazole on the basal acid secretion in pylorus-ligated rats was not affected by any of these treatments. Lansoprazole (5 and 15 mg/ml) administered directly into the gastric chamber obviously increased both the production of NO in the mucosa and mucosal blood flow, which was prevented by pretreatment with L-NAME. These results suggest that capsaicin-sensitive sensory neurons, NO and prostaglandins are involved in the mucosal protection afforded by lansoprazole possibly via an increase in mucosal blood flow, but are not involved in the antisecretory action of lansoprazole.
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