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ORIGINAL ARTICLE
Year : 2019  |  Volume : 8  |  Issue : 6  |  Page : 2047-2054

Central hemodynamics and arterial stiffness by oscillometric pulse-wave analysis in treated Gujarati euglycemic hypertensives: A case-control study


1 Department of Physiology, Govt. Medical College, Bhavnagar, Gujarat, India
2 Department of Medicine, Govt. Medical College, Bhavnagar, Gujarat, India

Correspondence Address:
Dr. Sunil J Panjwani
Department of Medicine, Sir T General Hospital, Jail Road, Bhavnagar, Gujarat - 364 001
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jfmpc.jfmpc_233_19

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Introduction: Hypertension is the most prevalent noncommunicable disorder, studied in terms of brachial blood pressure. Direct parameters like central hemodynamics and arterial stiffness, though superior, are not studied much. The same can be studied by pulse-wave analysis (PWA) and we did that in euglycemic treated hypertensives. Materials and Methods: A case-control study was conducted in 258 treated euglycemic hypertensives and 258 matched controls. Oscillometric PWA was accomplished by Mobil-O-Graph (IEM, Germany). Parameters were further analyzed for the effect of gender, physical activity, body mass index (BMI) (cutoff 23), blood pressure control, and duration (cutoff 5 years). Multiple linear regressions were used to find significant predictors. P < 0.05 was taken as statistically significant. Results: Cases had significantly higher brachial arterial parameters (blood pressure, heart rate, rate pressure product), arterial stiffness (augmentation pressure, augmentation index, pulse-wave velocity, total arterial stiffness, pulse pressure amplification), and central hemodynamics (central blood pressure, cardiac output, stroke work) compared to age, gender, and BMI-matched controls. In the case group, female gender, BMI ≥ 23, and uncontrolled blood pressure were significant factors affecting results. Heart rate and pulse pressure were major predictors of study parameters. Central pressure parameters were not predicted significantly by corresponding brachial pressure parameters. Conclusion: PWA revealed the adverse profile of arterial stiffness and central hemodynamics in treated Gujarati hypertensives, associated with female gender, BMI, and blood pressure control, predicted mainly by heart rate and pulse pressure, independent of brachial blood pressure. It indicates both potential and further study of these parameters.


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