Impact of postures on blood pressure in healthy subjects

Tiemin Wei, Ling-Chun Lu, Xiao-Li Ye, Shan Li, Lexin Wang

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Backgrounds: Controversies exist on the nature of influence of body position on the level of blood pressure. This study was designed to investigate the impact of postures on blood pressures in healthy subjects.Methods: Blood pressure was measured in 6,485 healthy subjects in both supine and sitting positions, using a standard mercury sphygmomanometer.Results: The average systolic and diastolic blood pressure in all age groups in supine position was higher than in a sitting position (P<0.001). There was a reduced systolic pressure increment but enhanced diastolic pressure increment with aging (P<0.05). The levels of sitting blood pressure were inversely correlated to the pressure increments in supine positions (P<0.001). Multivariate regression analysis showed that age is an independent factor for the systolic pressure increment in supine position (P<0.001), whereas sex, age, body height and body mass index are independent predictors for the increment in diastolic blood pressure (P<0.001).Conclusions: In healthy subjects, blood pressure in supine position is higher than in sitting position and age plays an important part in this posture-related pressure increment.
Original languageEnglish
Pages (from-to)376-380
Number of pages5
JournalActa Clinica Belgica
Volume63
Issue number6
Publication statusPublished - 2008

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