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October 1987

Prediction of Arterial Blood Pressure in the Premature Neonate Using the Oscillometric Method

Author Affiliations

From the Departments of Pediatrics (Drs Wareham, Yeager, and Horbar) and Medical Biostatistics (Dr Haugh), University of Vermont, Burlington.

Am J Dis Child. 1987;141(10):1108-1110. doi:10.1001/archpedi.1987.04460100086034

• The noninvasive oscillometric measurement of blood pressure (BP) in preterm neonates has become a common practice in intensive care nurseries. The method has gained acceptance primarily through its correlation with direct arterial measurement. In this study, the oscillometric method (using Dinamap 1846) was compared with direct intraarterial BP monitoring in 15 preterm infants. The 95% prediction intervals for individual oscillometric measurements were wide, ranging from 17mm Hg for the mean BP to 20 mm Hg for the systolic and diastolic BP. The oscillometric method also underestimated intra-arterial systolic and mean BP and overestimated diastolic BP. Caution must be used when oscillometrically measuring BP in premature neonates.

(AJDC 1987;141:1108-1110)