BACKGROUND: In Mexico, hypertension is a major cause of disability and death in the elderly, but the most effective way to promote behaviour change in old people is unknown. Low resource interventions that are effective in normal healthcare settings are urgently needed. We report the results of a randomized trial of nurse-provided health and lifestyle advice during home visits to elderly people with hypertension in Mexico City. METHODS:Subjects were 718 people with hypertension aged > or =60 years, who were residents of Mexico City and were registered with the Family Medicine Clinics of the Mexican Institute of Social Security (IMSS). A randomized controlled trial was carried out in which the intervention group was offered nurse visits over 6 months with blood pressure checks and negotiated lifestyle changes. The control group continued to receive usual care. RESULTS: After 6 months, 36.5% of the intervention versus 6.8% of the control group had a blood pressure of <160/90 mmHg. The difference in the mean change in systolic blood pressure was 3.31 mmHg (P = 0.03, 95% CI : 6.32, 0.29) and the same difference in diastolic blood pressure was 3.67 mmHg (P = 0.00, 95% CI : 5.22, 2.12). Weight and sodium excretion fell more in the intervention group, but the difference was not significant. CONCLUSIONS: Nurse home visits are effective in reducing blood pressure in hypertensive patients aged > or =60 years.
RCT Entities:
BACKGROUND: In Mexico, hypertension is a major cause of disability and death in the elderly, but the most effective way to promote behaviour change in old people is unknown. Low resource interventions that are effective in normal healthcare settings are urgently needed. We report the results of a randomized trial of nurse-provided health and lifestyle advice during home visits to elderly people with hypertension in Mexico City. METHODS: Subjects were 718 people with hypertension aged > or =60 years, who were residents of Mexico City and were registered with the Family Medicine Clinics of the Mexican Institute of Social Security (IMSS). A randomized controlled trial was carried out in which the intervention group was offered nurse visits over 6 months with blood pressure checks and negotiated lifestyle changes. The control group continued to receive usual care. RESULTS: After 6 months, 36.5% of the intervention versus 6.8% of the control group had a blood pressure of <160/90 mmHg. The difference in the mean change in systolic blood pressure was 3.31 mmHg (P = 0.03, 95% CI : 6.32, 0.29) and the same difference in diastolic blood pressure was 3.67 mmHg (P = 0.00, 95% CI : 5.22, 2.12). Weight and sodium excretion fell more in the intervention group, but the difference was not significant. CONCLUSIONS: Nurse home visits are effective in reducing blood pressure in hypertensivepatients aged > or =60 years.
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