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RESUME Introduction. Au Burkina Faso, la prévalence du syndrome coronaire aigu avec sus-décalage du segment ST (SCAST+) est en augmentation. Il est possible de prévenir la plupart des SCAST+ en s’attaquant aux facteurs de risque cardio-vasculaire. L’objectif de ce travail a été d’étudier l’impact des facteurs de risque cardio-vasculaire sur la survenue du SCAST+ au Burkina Faso. Méthodologie. Il s’agissait d’une étude observationnelle, de type cas-témoins, non appariés, un cas pour trois témoins, monocentrique, à recueil rétrospectif des donnés, allant du 1erJanvier 2010 au 31 Décembre 2016. Elle a inclus 1029 patients, soit 199 cas de SCAST+ et 830 témoins hospitalisés au sein du service de cardiologie du CHU-YO de Ouagadougou durant la période d’étude. Résultats. En analyse univariée et multivariée, les facteurs de risque cardio-vasculaire ayant impacté significativement (odds ratio ajusté [IC 95%]) la survenue du SCAST+ étaient : l’âge supérieur à 50 ans (5,96 [3,84-9,25]), le sexe masculin (3,97 [2,48-6,34]), le diabète (2,76 [1,56-4,89]), l’hypertension artérielle (2,14 [1,43-3,2]) et le tabagisme (2,09 [1,33-3,3]). Le cumul croissant des facteurs de risque cardio-vasculaire augmente significativement le risque de survenue du SCAST+ (p < 0,0005). L’odds ratio [IC 95%] de survenue d’une altération de la FEVG (FEVG < 50%) et de survenue d’un décès intrahospitalier en cas de SCAST+ était respectivement de 4,62 [2,67-7,98] et de 3,23 [1,85-5,66]. La prise en charge de l’hypertension artérielle, du diabète et du tabagisme, va permettre de réduire 72% de la fréquence de survenue du SCAST+. Conclusion. La prévention et le contrôle des facteurs de risque cardiovasculaire au Burkina Faso réduirait de plus de 72% le risque de survenu d’un syndrome coronarien aigu. ABSTRACT Introduction. In Burkina Faso, the prevalence of acute coronary syndrome with ST-segment elevation (SCAST+) is increasing. Most SCAST+ can be prevented by addressing cardiovascular risk factors. The aim of this study was to investigate the impact of cardiovascular risk factors on the occurrence of SCAST+ in Burkina Faso. Methodology. This was an observational, case-control, unmatched, one-case, three-control, single-centre study with retrospective data collection from 1 January 2010 to 31 December 2016. It included 1029 patients (199 SCAST+ cases and 830 controls) hospitalised in the cardiology department of the CHU-YO in Ouagadougou during the study period. Results. In univariate and multivariate analysis, the cardiovascular risk factors that had a significant impact (adjusted odds ratio [95% CI]) on the occurrence of SCAST+ were : age over 50 (5.96 [3.84-9.25]), male sex (3.97 [2.48-6.34]), diabetes (2.76 [1.56-4.89]), arterial hypertension (2.14 [1.43-3.2]) and smoking (2.09 [1.33-3.3]). Increasing accumulation of cardiovascular risk factors significantly increased the risk of SCAST+ (p<0.0005). The odds ratios [95% CI] for LVEF impairment (LVEF < 50%) and for in-hospital death in the event of SCAST+ were 4.62 [2.67-7.98] and 3.23 [1.85-5.66] respectively. Management of hypertension, diabetes and smoking reduced the incidence of SCAST+ by 72%. Conclusion. Prevention and control of cardiovascular risk factors in Burkina Faso would reduce the risk of acute coronary syndrome by more than 72%.
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DOI: 10.5281/hra.v2i12.6250
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