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The effect of physician presence on blood pressure.
MedLine Citation:
PMID:  22705861     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVES: To evaluate the effect of physician presence on blood pressure (BP) and the influencing factors. METHODS: This study included 600 adult outpatients, of whom 335 had hypertension and 265 did not have hypertension. An automated BP measurement device was used for all measurements of BP. After a 10-min rest, the first two readings were measured (BP1) in the presence of a physician, and then five BP readings were taken when the patient was left alone in the room and their average as automated office blood pressure (AOBP); finally, the second office BP (BP2) was measured (BP1) when the physician was present again. The differences in BP1 and BP2 with AOBP were calculated as ΔBP1 and ΔBP2. RESULTS: (a) Both BP1 and BP2 were significantly higher than AOBP (131±1/79±1 and 127±1/76±1 vs. 125±1/74±1 mmHg, both P<0.05). The hypertension detection rates on BP1 and on BP2 were 38.5 and 32.4%, but only 23.8% on AOBP (both P<0.05). (b) The ΔSBP1 was significantly higher than ΔSBP2 (6.8±9.3 vs. 2.0±7.7 mmHg, P<0.001), and ΔDBP1 was higher than ΔDBP2 (5.9±8.6 vs. 3.2±7.0 mmHg, P<0.001). (c) ΔSBP1, ΔSBP2, and ΔDBP were higher in the hypertension (EH) subgroup than in the nonhypertension (no-EH) subgroup. Meanwhile, in the no-EH group, the ΔSBP1 of the female subgroup were also significantly higher than that of the male subgroup. CONCLUSION: The presence of a physician, even the second time, is associated with an increase in BP. Hypertensive patients and females have higher BP reaction for physician presence.
Authors:
Dezhi Hong; Hai Su; Juxiang Li; Jinsong Xu; Qiang Peng; Qing Yang; Jiwei Wang; Xiaoshu Cheng
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-14
Journal Detail:
Title:  Blood pressure monitoring     Volume:  -     ISSN:  1473-5725     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9606438     Medline TA:  Blood Press Monit     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Cardiology, Second Affiliated Hospital, Medical College of Nanchang University, Jiangxi, People's Republic of China.
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