Key result
Intradialytic hypotension occurred in 11.6% of hemodialysis sessions, with associated factors including age, female sex, HIV infection, feeding during dialysis, and antihypertensive drug use.
Why the study?
Intradialytic hypotension is a frequent acute complication of hemodialysis associated with increased morbidity and mortality, prompting an evaluation of its prevalence and associated factors in Cameroon.
Cohort (n=104)
No
Intradialytic hypotension occurred in 11.6% of hemodialysis sessions in a Cameroonian cohort, with risk factors including age, female sex, HIV, feeding during dialysis, and recent antihypertensive use.
May support monitoring high-risk hemodialysis patients; observational data leaves open causal confirmation and intervention trials.
Intradialytic hypotension (IDH), one of the most frequent acute complications of hemodialysis (HD), is associated with increased patient's morbidity and mortality. The aim of this study was to determine its prevalence and associated factors among patients on maintenance HD in Cameroon. This was a prospective longitudinal study carried out from June 20, to July 30, 2016 (5 weeks), including adult patients on HD >3 months at a tertiary hospital in Douala. During this period, patients were followed up at each HD session, and their blood pressure and occurrence of clinical events possibly related to IDH were recorded. In this study, IDH was defined as a decrease in systolic BP by >20 mm Hg or a decrease in mean arterial pressure by >10 mm Hg, associated to a clinical event. Logistic regression analysis was used to determine associated factors. We included 104 patients (69 males) with a mean age of 50.74 ± 15.18 years and a median duration on HD of 30.5 (interquartile range: 12.25-58.75) years. Hypertension 99/104 (95.2%) and diabetes 32/104 (30.8%) were the main comorbidities encountered. A total of 1032 HD sessions were followed up with an average of 9.88 ± 1.57 sessions per patient. IDH occurred in 11.6% of HD sessions. Associated factors were age, female sex, HIV infection, feeding during dialysis, and use of antihypertensive drug during or within 2 h before dialysis. The prevalence of IDH in our study was low. Associated factors were mainly related to patient's characteristics and comorbidities.
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Halle et al. (2020) conducted a cohort in Maintenance hemodialysis (n=104). Risk factors (age, female sex, HIV infection, feeding, antihypertensives) was evaluated on Intradialytic hypotension (IDH). Intradialytic hypotension occurred in 11.6% of hemodialysis sessions, with associated factors including age, female sex, HIV infection, feeding during dialysis, and antihypertensive drug use.
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