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[Prevalence and risk factors associated with intradialytic hypotension in Sub-Saharan Africa: The case of Burkina Faso].

Authors:
S Delma G Coulibaly H Y A Lengani N Rouamba Y J Bonzi

Ann Cardiol Angeiol (Paris) 2021 Feb 23. Epub 2021 Feb 23.

Service de néphrologie, centre hospitalier universitaire Yalgado Ouedraogo, Ouagadougou, Burkina Faso.

Aim: The aim of our study was to determine the prevalence and factors associated with intradialytic hypotension in our cohort of chronic hemodialysis patients.

Methods: This was a prospective monocentric study over a six-month period. Intradialytic hypotension was defined as a decrease in systolic blood pressure ≥ 20mmHg or a decrease in mean arterial pressure of 10mmHg associated with clinical events and the need for nursing interventions. The groups were compared using univariate analysis of variance.

Results: We included 48 patients and counted 3014 hemodialysis sessions. The mean age was 44.7±15 years. The prevalence of intradialytic hypotension was 12.4%, with cramps 20 (41.7%) as the main symptom. Factors associated with frequent intradialytic hypotension compared to the groups without intradialytic hypotension and with infrequent intradialytic hypotension were age (61±13 years, p=0.018), diabetes (33.3%, p=0.019), high body mass index (27, 3±7.8kg/m2, p=0.002), interdialytic weight gain ≥ 5% of baseline weight (66.7%, p=0.033), hourly ultrafiltration (800±275ml/h, p=0.037) and perdialytic feeding (33.3%, p=0.016). Low pre-dialysis diastolic blood pressure (72±13mmHg, p=0.012) and high baseline weight (73.9±17.5kg, p=0.028) were associated with frequent versus infrequent intradialytic hypotension.

Conclusion: Intradialytic hypotension is common in our context. Its prevention in at-risk patients is critical to reducing morbidity and mortality and improving quality of life.

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http://dx.doi.org/10.1016/j.ancard.2021.01.002DOI Listing
February 2021

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