Key result
Measuring blood pressure 5 minutes after sitting in ambulatory pregnant women resulted in no further significant drop at 10 minutes, except for a small DBP decrease in the second trimester.
Why the study?
Is waiting 5 minutes sufficient for blood pressure stabilization compared to 10 minutes in ambulatory pregnant women?
Observational (n=400)
Is waiting 5 minutes sufficient for blood pressure stabilization compared to 10 minutes in ambulatory pregnant women?
Waiting 5 minutes after sitting is sufficient for blood pressure stabilization in ambulatory pregnant women, as waiting 10 minutes does not yield clinically meaningful further reductions.
Answers are grounded in this paper and cite their sources.
5-minute rest may suffice for BP stabilization in ambulatory pregnant women; leaves open randomized validation of measurement protocols.
OBJECTIVE: Current recommendations for timing of blood pressure measurement in ambulatory pregnant women vary and are based on studies in the nonpregnant population. The objective of this study was to determine if there is a difference in systolic blood pressure (SBP) and diastolic blood pressure (DBP) between minute-5 and minute-10. METHODS: A prospective study was conducted at our prenatal care clinics. Participants had their blood pressure measured upon sitting and every 5 minutes for 15 minutes. Initial SBP and DBP were compared to measurements at each time point. Additionally, the SBP and DBP at minute-5 were compared to minute-10. All statistical tests were two-sided. RESULTS: Data from 400 patients were analyzed. Of these, 34.0% were in the first, 30.7% were in the second trimester, and 35.2% were in the third trimester. In each trimester, there was a significant difference in the SBP and DBP at minute-5 compared to minute-0. At minute-10 compared to minute-5, there was no further drop for all trimesters, except for a small drop in DBP in the second trimester (-1.3 ± 6.0, p = 0.012). CONCLUSION: In an ambulatory setting, 5 minutes after sitting appears to be an appropriate time point to measure blood pressure in pregnancy.
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Patel et al. (2016) conducted an observational in Ambulatory pregnancy (n=400). Blood pressure measurement at 5 minutes vs. Blood pressure measurement at 10 minutes was evaluated on Difference in systolic and diastolic blood pressure between minute-5 and minute-10 (p=0.012). Measuring blood pressure 5 minutes after sitting in ambulatory pregnant women resulted in no further significant drop at 10 minutes, except for a small DBP decrease in the second trimester.
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