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Blood Pressure Pattern in Barako - A Rural Community in Rivers State, Nigeria.
Abstract
Methods: The survey was a cross sectional surveys of adult volunteers during a one day health out-reach in a rural community of Rivers state. Blood pressure, BMI, random blood sugar and urine testing were done in accordance with standard protocols. JNC-7 guidelines were adopted for the determination and grading of hypertension.
Results: They were 60 males and 92 females (M/F =1:1.5) with a mean age of 48.9 + 14.8years. The subjects were mostly farmers (53.9%) with female predominance. Their 2 mean BMI was 24.8 + 4.8kg/m2 , with 30% of the subjects in pre-obesity level and 15.7% with obesity. The mean systolic blood pressure (SBP) was 129.9 + 24.3mmHg, while the mean diastolic blood pressure (DBP) was 76.9 + 13.1mmHg. SBP was significantly higher in males than in females (p<0.001), no significant gender difference was observed for DBP. For SBP, Pre hypertension was observed in 55(36.2%), hypertension grade -1 in 30(19.7%) and hypertension grade - 2 in 19(12.5%) of the subjects. The overall systolic hypertension prevalence rate was 32.2 percent. For diastolic pressure, Pre-hypertension was observed in 49(32.2%) of subjects, hypertension grade1 in 21(13.8%) and hypertension grade 2 in 15(9.8%) with an overall diastolic hypertension prevalence rate of 23.6%. The aggregate hypertension prevalence rate in the subjects was 27.9%. Significant protenuria was observed in 26.9% of subjects. Correlates of elevated diastolic blood pressure were increasing blood sugar and BMI.
Conclusion: The aggregate prevalence of hypertension of 27.9% and Pre-hypertension of 34.2% found in Barako a rural community of Rivers state is high. In addition theprevalence hypertension and cardiovascular risk factors such as obesity was high and significantly associated with elevated blood pressure. In view of the increasing prevalence of hypertension in rural communities in Nigeria, there is need for proper blood pressure and cardiovascular risk awareness, detection and control campaign in Nigerian rural and urban communities using community based screening and surveys.
Key words: Blood pressure pattern; Barako; rural community; Nigeria.