Difference in the nocturnal behaviour of blood pressure between monitorings with the arm-cuff method and with the finger-volume osciliometric method

Yutaka Imai, Schuichi Sasaki, Minami Naoyoshi, Masanori Munakata, Hiroshi Sekino, Keishi Abe, Kaoru Yoshinaga

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The nocturnal behaviour of blood pressure obtained by a new portable device for monitoring ambulatory blood pressure (ABPM 630) was compared with that obtained by a finger-volume osciliometric device (BP-100); the former uses a conventional arm-cuff inflated by C02gas to eliminate the noise of the motorized pump, and is based on a cuff-oscillometric as well as the Korotkoff sound technique (microphone method). With the microphone method in ABPM 630, the mean differences from the conventional auscultatory method were -0.28 ± 6.15 mmHg (mean ± s.d.) for systolic and 0.96 ± 6.28 mmHg for diastolic blood pressure, and there was a highly significant correlation between blood pressure values measured by the ABPM 630 and by the auscultatory method. In 40 patients with mild to moderate hypertension 24-h blood pressure was monitored simultaneously with the ABPM 630 and BP-100. The daytime average of systolic blood pressure measured with the ABPM 630 was similar to that measured with the BP-100, whereas the night-time average assessed by the former was significantly higher than that assessed by the latter. Arm-cuff inflation by ABPM 630 caused some degree of sleep disturbance in 35 of 40 subjects, whereas finger- cuff inflation scarcely disturbed the sleep. The performance of the ABPM 630 was excellent.

Original languageEnglish
Pages (from-to)S61-S63
JournalJournal of Hypertension, Supplement
Volume6
Issue number4
Publication statusPublished - 1988 Dec

Keywords

  • Ambulatory blood pressure monitoring
  • Arm-cuff method
  • Finger
  • Nocturnal behaviour of blood pressure
  • Volume osciliometric method

ASJC Scopus subject areas

  • Internal Medicine
  • Physiology
  • Cardiology and Cardiovascular Medicine

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