Korean J Pediatr.  2011 Nov;54(11):463-469. 10.3345/kjp.2011.54.11.463.

Validation study of the Dinamap ProCare 200 upper arm blood pressure monitor in children and adolescents

Affiliations
  • 1Department of Pediatrics, Inje University Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea. chonglee@paik.ac.kr
  • 2Department of Pediatrics, National Medical Center, Seoul, Korea.
  • 3Department of Pediatrics, Ewha Womans University Mockdong Hospital, Ewha Womans University School of Medicine, Seoul, Korea.
  • 4Department of Pediatrics, Hanyang University Seoul Hospital, Hanyang University College of Medicine, Seoul, Korea.
  • 5Department of Pediatrics, Seoul National University Children's Hospital, Seoul National University College of Medicine, Seoul, Korea.
  • 6Department of Chronic Disease Investigation, Korea Center for Disease and Prevention, Seoul, Korea.

Abstract

PURPOSE
To validate the Dinamap ProCare 200 blood pressure (BP) monitor against a mercury sphygmomanometer in children 7 to 18 years old in accordance with the 2010 International Protocol of European Society of Hypertension (ESH-IP2) and the British Hypertension Society (BHS) protocol.
METHODS
Forty-five children were recruited for the study. A validation procedure was performed following the protocol based on the ESH-IP2 and BHS protocols for children and adolescents. Each subject underwent 7 sequential BP measurements alternatively with a mercury sphygmomanometer and the test device by trained nurses. The results were analyzed according to the validation criteria of ESH-IP2.
RESULTS
The mean (+/-SD) difference in the absolute BP values between test device and mercury sphygmomanometer readings was 1.85+/-1.65 mmHg for systolic BP (SBP) and 4.41+/-3.53 mmHg for diastolic BP (DBP). These results fulfilled the Association for the Advancement of Medical Instrumentation criterion of a mean+/-SD below 5+/-8 mmHg for both SBP and DBP. The percentages of test device-observer mercury sphygmomanometer BP differences within 5, 10, and 15 mmHg were 96%, 100%, and 100% for SBP, and 69%, 92%, and 100% for DBP, respectively, in the part 1 analysis; both SBP and DBP passed the part 1 criteria. In the part 2 analysis, SBP passed the criteria but DBP failed.
CONCLUSION
Although the Dinamap ProCare 200 BP monitor failed an adapted ESH-IP2, SBP passed. When comparing BP readings measured by oscillometers and mercury sphygmomanometers, one has to consider the differences between them, particularly in DBP, because DBP can be underestimated.

Keyword

Blood pressure; Oscillometric device; Dinamap; Validation studies; International protocol

MeSH Terms

Adolescent
Arm
Blood Pressure
Blood Pressure Monitors
Child
Humans
Hypertension
Organothiophosphorus Compounds
Reading
Sphygmomanometers
Organothiophosphorus Compounds
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