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Hypertension
Reproducibility of ambulatory blood pressure monitoring in the very elderly hypertensives
  1. Guo Yifang,
  2. An Shaobo,
  3. Ma Bocong
  1. Hebei Provincial People's Hospital, Hebei, China

Abstract

Objective To examine the reproducibility of parameters of ambulatory blood pressure measurements in the very older hypertensive patients with age≥80 years old.

Methods Fifty essential hypertensive patients with 140 mm Hg ≤ systolic blood pressure (SBP) 0.50, 24 HAPP (62.2±9.2 mm Hg vs 61.6±11.0 mm Hg p=0.54), NAPP (63.0±11.4 mm Hg vs 60.0±12.3 mm Hg p=0.06), DAPP (62.2±9.5 mm Hg vs 62.1±11.2 mm Hg p=0.94), MaxSBP (171.9±16.0 mm Hg vs 175.7±20.2 mm Hg p=0.11), MinDBP (47.4±6.5 mm Hg vs 46.4±5.8 mm Hg p=0.29), SBPL (37.2±23.4% vs 35.3±21.9%, p=0.40), DBPL (7.2±10.1% vs 6.4±8.1% p=0.50), NSBPRR (3.1±8.7% vs 5.4±9.2% p=0.12), NDBPRR (7.3±10.1% vs 7.4±9.8% p=0.95), 24HDBPV (0.16±0.04 vs 0.17±0.05 p=0.12), NSBPV (0.12±0.05 vs 0.12±0.04 p=0.98), NDBPV (0.15±0.06 vs 0.15±0.07 p=0.84), 24 HHR (68.0±8.2 bpm vs 67.1±7.8 bpm, p=0.13). The results of above parameters are not significantly different, besides 24 HSBPV (0.12±0.03 vs 0.15±0.04 p=0.01), DSBPV (0.13±0.03 vs 0.15±0.04 p=0.04), DDBPV (0.15±0.04 vs 0.17±0.05 p=0.02), which are different significantly between the first and second day.

Conclusion There was good reproducibility of ambulatory blood pressure recordings, which suggests that ambulatory blood pressure monitoring is a reliable tool to monitor blood pressure changes in the very older hypertensives.

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