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Rila Ratovoson Ony Rabarisoa Rasetarinera Ionimalala Andrianantenaina Christophe Rogier Patrice Piola Pierre Pacaud 《PloS one》2015,10(9)
Background
Hypertension is one of the main risk factors of cardiovascular diseases. In Madagascar, studies on hypertension in urban and rural communities are scarce.Objectives
The aim of this study was to determine the prevalence of hypertension and identify associated risk factors in adults living in a health and demographic system in Moramanga, Madagascar.Methods
The study included people aged 15 years old and above living in a health and demographic system in Moramanga. A household census was performed in 2012 to enumerate the population in 3 communities in Moramanga. In addition to the questionnaire used in the initial census, a standardized questionnaire and blood pressure were taken twice after 5 and 10 minutes of rest. In urban areas, heights and weights were also measured to calculate the body mass index.Results
There were 3621 and 4010 participants respectively in rural and urban areas. Prevalence of hypertension in rural population was 27.0% (IC95% [25.6–28.5]) and 29.7% (IC95% [28.3–31.1]) in urban population. Among hypertensive subjects, 1.7% (17/979) and 5.3% (64/1191) were on antihypertensive treatment for at least 1 month before the survey in rural and urban population, respectively. In rural areas, increasing age (65 years and older vs 18–25 years OR = 11.81, IC95% [7.79–18.07]), giving more than 3 positive responses to the usual risks factors of hypertension (OR = 1.67, IC95% [1.14–2.42]) and singles in comparison with married people (OR = 1.61, IC95% [1.20–2.17]) were associated to hypertension in a logistic regression model. In urban areas, increasing age (65 years and older vs 18–25 years OR = 37.54, IC95% [24.81–57.92]), more than 3 positive responses to the usual risks of hypertension (OR = 3.47, IC95% [2.58–4.67]) and obesity (OR = 2.45, IC95% [1.56–3.87]) were found as risk factors.Conclusion
Hypertension is highly prevalent in rural areas although it is significantly less treated. As a result, a major epidemic of cardiovascular diseases is at risk in Madagascar’s progressively aging society. 相似文献2.
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Rason MA Ariey F Rafidimanantsoa L Andrianantenaina BH Sahondra Harisoa JL Randrianarivelojosia M 《Parasite (Paris, France)》2002,9(3):247-253
The dissemination of mutant and resistant strains of Plasmodium falciparum makes a considerable contribution to the spread of drug-resistant malaria. Populations around harbours and airports could be particularly exposed to Plasmodium isolates introduced with imported cases of malaria. The use of chloroquine as well as the use of and sulfadoxine/pyrimethamine is currently an effective method for treating uncomplicated cases of malaria in Madagascar. As part of a monitoring programme, in vitro methods were used to assess the sensitivity of P. falciparum isolates in two coastal towns in Madagascar: Mahajanga on the west coast and Toamasina on the east coast. All of the isolates from both sites were sensitive to amodiaquine, quinine, pyrimethamine and cycloguanil. All of the isolates from Mahajanga were sensitive to chloroquine (n = 25; mean IC50 = 22.6 nM, 95% confidence interval: 16.8-28.7 nM), whereas three of the isolates from Toamasina were resistant to chloroquine (n = 18; mean IC50 = 66.3 nM; 95% confidence interval: 42.6-90 nM). The frequency of the Pfcrt Thr-76 and the dhfr Asn-108 mutations was estimated by PCR/RFLP. The 43 P. falciparum isolates examined, including the three in vitro chloroquine-resistant isolates from Toamasina were all wild-type (Lys-76). Phenotyping and genotyping studies suggested that the prevalence of chloroquine- and pyrimethamine-resistant isolates and of mutant strains of P. falciparum is very low. These results showed that in vitro test and genotyping of resistance markers approaches could be successfully used to monitor the emergence of drug-resistant malaria and to try to alleviate the lack of medical teams able to carry out in vivo test. The possible hazard/risk associated with imported cases of malaria is discussed. 相似文献
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