Fonseca-Reyes S, Fonseca-Cortés K, Parra-Carrillo JZ, Romero-Velarde E

Language: Spanish
References: 33
Page: 78-84
PDF size: 241.81 Kb.

ABSTRACT

Objective: To know the effect of seasonal changes in external temperature on the blood pressure (BP) and the level of control in hypertensive patients. Subjects and Methods: The study was carried out in a group of treated hypertensive patients who had completed four visits corresponding to each of the season’s year. The place where the BP readings were done did not have air conditioning or heating. In each visit the average of three systolic and diastolic BP readings was obtained along with body mass index (BMI), and the type, number and dosages of antihypertensive drugs taken. Results: One hundred patients were included. There were no statistical differences in the BMI or in the use of anti-hypertensive medications. The systolic and diastolic BP (average/ SD) was higher in the autumn season; 142.9 ±19.5/83.5 ±11.2 mm Hg and winter season; 141.3 ±17/84.1±12.1mm Hg than during the spring; 133.6±14.8/80.7±.12.5 mm Hg or summer; 137±14.3/80.8 ±10.3 mm Hg. The percentage of controlled patients was 54%, 49%, 34% and 32% (p‹ 0.01) for spring, summer, autumn and winter, respectively. Conclusion: The level of control of hypertension shows different results depending on the season. These findings can have implications on the therapeutic decisions taken during the follow-up of these patients.

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