بيانات النشر: Linköpings universitet, Avdelningen för samhällsmedicin
Linköpings universitet, Medicinska fakulteten
Linköpings universitet, Avdelningen för kardiovaskulär medicin
Linköpings universitet, Hälsouniversitetet
Östergötlands Läns Landsting, Medicinska specialistkliniken
Östergötlands Läns Landsting, Primärvården i centrala länsdelen
Östergötlands Läns Landsting, Forsknings- och utvecklingsenheten för Närsjukvården i Östergötland
Östergötlands Läns Landsting, Endokrinmedicinska kliniken
نبذة مختصرة : OBJECTIVE: We aimed to compare blood pressure (BP) levels recorded using the semiautomatic oscillometric Omron i-C10 BP device in patients with or without hypertension in three different settings: (a) when used by a doctor or a nurse at the office (OBP); (b) when used for self-measurement by the patient at the office (SMOBP); and (c) when used for 7 consecutive days at home (HBP). MATERIALS AND METHODS: A total of 247 individuals were invited to participate, but 78 of these individuals declined and a further seven were excluded, leaving a final cohort of 162 participants. RESULTS: The mean OBP was higher than HBP (difference 8.1±14/3.1±8.8 mmHg, P<0.0001) and so was SMOBP compared with HBP (difference 7.0±13/4.2±7.3 mmHg, P<0.0001). Sixteen participants (9.9%) had at least 10 mmHg higher systolic SMOBP than OBP and 28 (17%) participants had at least 10 mmHg lower systolic SMOBP than OBP. Participants who were current smokers had a larger mean difference between systolic OBP and SMOBP than nonsmokers (OBP-SMOBP in smokers: 6.6±9.4 mmHg, OBP-SMOBP in nonsmokers: 0.5±9.2 mmHg, P=0.011 between groups). CONCLUSION: Self-measurement of BP in the office does not preclude an increase in BP when levels in the individual patients are compared with HBP using the same equipment. Thus, SMOBP with a semiautomatic device does not lead to a reduction in the white-coat effect in the same manner as fully automatic devices.This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License, where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially. http://creativecommons.org/licenses/by-nc-nd/3.0.
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