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    L’obesite abdominale dans la population generale a Bouake (Cote d’Ivoire) : Prevalence et correlation avec la pression arterielle

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    Objectifs: dĂ©terminer la prĂ©valence de l'obĂ©sitĂ© abdominale dans la population gĂ©nĂ©rale Ă  BouakĂ© et de dĂ©terminer une Ă©ventuelle association  entre elle et l’élĂ©vation des chiffres de pression artĂ©rielle.Materiel et Methodes: il s’agit d’une Ă©tude transversale descriptive et analytique qui a Ă©tĂ© menĂ©e au cours d’une sĂ©ance de dĂ©pistage  systĂ©matique Ă  BouakĂ© en 2017 chez des adultes. Elle a concernĂ© 303 adultes âgĂ©s de 18 ans et plus. Des mesures de pression artĂ©rielle et du pĂ©rimètre abdominal ont Ă©tĂ© prises avec remplissage d’un questionnaire standardisĂ©. L’obĂ©sitĂ© abdominale (OA) est dĂ©finie par un pĂ©rimètre abdominal (PO) ≥ 102 cm chez l’homme et ≥ 88cm chez la femme. L’analyse statistique de nos donnĂ©es repose sur le test de Chi2 de Pearson etl’analyse de variance pour juger de la signification ou non des diffĂ©rences constatĂ©es (seuil de signification retenue, p<0,05). Enfin, en vue de vĂ©rifierl’existence d’une relation entre le PO et le niveau de pression artĂ©rielle, nous avons effectuĂ© une rĂ©gression linĂ©aire avec calcul du coefficient de  corrĂ©lation r.Resultants: L’âge moyen Ă©tait de 45,86±15,84ans. On notait une prĂ©dominance fĂ©minine avec un sex-ratio de 0,77. La prĂ©valence globale de l'OAĂ©tait de 34% (hommes : 3,65%, femmes : 30,56%). Chez les hommes avec une OA, la pression artĂ©rielle systolique moyenne Ă©tait significativement plus importante que chez ceux indemnes d’obĂ©sitĂ© (150,92±25,05mmHg versus 131,65±23,26 mmHg ; p=0,010). On notait les mĂŞmes observations avec la pression artĂ©rielle diastolique (100,58±17,81 mmHg versus 80,96±14,64 mmHg ; p=0,000). Chez les femmes avec une obĂ©sitĂ© abdominale, la pression artĂ©rielle systolique moyenne Ă©tait significativement plus importante que chez celles indemnes d’obĂ©sitĂ© (139,75±24,96 vs 123.59±20,42 mmHg; p=0,000). On notait les mĂŞmes observations avec la pression artĂ©rielle diastolique (87,17±14,59 vs 76,16±11,88 mmHg; pË‚0,000). Sur la corrĂ©lation entre les modifications du pĂ©rimètre abdominal et les pressions artĂ©rielles : celle systolique Ă©tait positive et significative chez les hommes (r= 0,4474 ; p=0,0000) ; de mĂŞme que celle diastolique (r=0,4496 ; p=0,0000). Cette mĂŞme observation a Ă©tĂ© faite chez les femmes avec les pressions artĂ©rielles systolique (0,3522 ; p=0,0000) et diastolique (r= 0,3411 ; p=0,0000).Conclusion: l’obĂ©sitĂ© abdominale est très frĂ©quente dans cette population noire africaine du centre de la CĂ´te d’Ivoire. Elle est significativement associĂ©e Ă  une Ă©lĂ©vation du niveau de pression artĂ©rielle dans les deux sexes. Mots-clĂ©s : ObĂ©sitĂ© abdominale - population gĂ©nĂ©rale - BouakĂ© - pression artĂ©rielle   English title: Abdominal obesity in the general population in Bouake (Ivory Coast): Prevalence and correlation with arterial pressure Objectives: to determine the prevalence of abdominal obesity in the general population in Bouake and to determine a possible association between it and the high blood pressure. Materials and Methods: this is a descriptive and analytical crosssectional study that was conducted during a systematic screening session inBouake in 2018 among adults. It involved 303 adults aged 18 and over. Blood pressure and abdominal perimeter measurements were taken with completion of a standardized questionnaire. Abdominal obesity (AO) is defined by an abdominal perimeter (AP) ≥ 102 cm in men and ≥ 88 cm in women. The statistical analysis of our data is based on the Pearson Chi square test and analysis of variance to determine the significance or not of the differences found (significance threshold, p <0.05). Finally, in order to verify the existence of a relation between the AP and the blood pressure level, we performed a linear regression with the calculation of the correlation coefficient r. Results: The mean age was 45.86 ± 15.84 years. There was a female predominance with a sex ratio of 0.77. The overall prevalence of AO was 34% (men: 3.65%, women: 30.56%). In men with AO, mean systolic blood pressure was significantly higher than in those without obesity (150.92 ± 25.05 mmHg versus 131.65 ± 23.26 mmHg, p = 0.010). The same observations were observed with diastolic blood pressure (100.58 ± 17.81mmHg versus 80.96 ± 14.64 mmHg, p = 0.000). In women with abdominal obesity, mean systolic blood pressure was significantly higher than in those without obesity (139.75 ± 24.96 mmHg versus. 123.59 ± 20.42 mmHg, p = 0.000). The same observations were made with diastolic blood pressure (87.17 ± 14.59mmHg versus 76.16 ± 11.88 mmHg, pË‚0.000). On the correlation between changes in the abdominal perimeter and blood pressure: systolic pressure was positive and significant in men (r = 0.4474, p = 0.0000); as was diastolic (r = 0.4496, p = 0.0000). This same observation was made in women with systolic (0.3522, p = 0.0000) and diastolic (r = 0.3411, p = 0.0000) blood pressure. Conclusion: Abdominal obesity is very common in this African black population of central CĂ´te d'Ivoire. It is significantly associated with increased blood pressure in both sexes. Keywords: Abdominal obesity - general population – Bouake - Ivory Coast - blood pressur
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