Key result
Rosella tea reduces systolic blood pressure by ~22 mmHg in elderly adults with hypertension.
Why the study?
Hypertension significantly impacts morbidity and mortality in the elderly, and the effectiveness of rosella tea as an antihypertensive therapy in this population needed evaluation.
Does rosella tea reduce blood pressure in elderly patients with hypertension?
Does rosella tea reduce blood pressure in elderly patients with hypertension?
Absolute Event Rate: 148.67% vs 171%
p-value: p=0.00
Short-term consumption of rosella tea twice daily effectively lowers systolic and diastolic blood pressure in elderly hypertensive patients.
Rosella tea should not yet alter hypertension care in the elderly; leaves open efficacy and safety in randomized trials.
Hypertension is one of the global health problems that has a significant impact on morbidity and mortality, especially in the elderly. This study aims to determine the effectiveness of rosella tea (Hibiscus sabdariffa) on reducing blood pressure in the elderly with hypertension. The study design used a quasi-experimental design with one group pre-test post-test design, involving 30 respondents who consumed rosella tea twice a day for one week. Data were analyzed using the Wilcoxon test to identification differences in blood pressure before and after the intervention. The results showed a significant decrease in systolic and diastolic blood pressure after giving rosella tea (p < 0.05). Active ingredients such as flavonoids, anthocyanins, and polyphenols in rosella tea contribute to the antihypertensive effect through the mechanism of vasodilation and increased blood vessel elasticity. This study concludes that rosella tea is effective as a safe additional therapy for managing hypertension in the elderly, although further research is needed to validate these results in a wider population.
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Rahmi et al. (2024) studied Hypertension (n=30). Rosella tea (Hibiscus sabdariffa) vs. Baseline (Pre-intervention) was evaluated on Systolic blood pressure (mmHg) (p=0.00). Consuming Rosella tea twice daily for one week significantly reduced mean systolic blood pressure from 171.00 to 148.67 mmHg and diastolic blood pressure from 90.67 to 76.67 mmHg in elderly adults with hypertension.
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