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Correlation Between Blood Pressure Measurement by Non-invasive and Invasive Methods in Critically-ill Children

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Abstract

Objective

To determine the correlation of non-invasive blood pressure obtained by auscultatory and oscillometric methods, with invasive blood pressure in critically ill children.

Methods

We compared invasive with auscultatory and oscillometric blood pressures using paired t-test, Pearson’s correlation coefficient and Bland-Altman plot in 50 children (age 1-12 y) admitted in Pediatric intensive care unit.

Results

Systolic, diastolic, and mean arterial pressures of invasive methods significantly correlated with auscultatory and oscillometric methods (P<0.001). Auscultatory and oscillometric measurements under-estimated systolic arterial pressures [mean (SD) difference 5.4 (12.2) mmHg and 6.3 (14.0) mmHg, respectively; P<0.001] and overestimated diastolic arterial pressures [-4.1 (5.8) mmHg and -3.6 (7.2) mmHg; P<0.001] compared to invasive blood pressure.

Conclusion

Mean arterial pressure obtained by NIBP measurement is more closer than systolic or diastolic pressures, when compared with invasive blood pressure measurement.

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Authors and Affiliations

  1. From Dr. BC Roy Post Graduate Institute of Pediatric Sciences, Kolkata, West Bengal, India

    B. Vamshi Krishna, Suman Das & Sandip Sen

  2. 44 Talpukur Road, Deulpara, Naihati, North 24, Parganas, West Bengal, India

    Suman Das

Authors
  1. B. Vamshi Krishna
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  2. Suman Das
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  3. Sandip Sen
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Correspondence to Suman Das.

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Krishna, B.V., Das, S. & Sen, S. Correlation Between Blood Pressure Measurement by Non-invasive and Invasive Methods in Critically-ill Children. Indian Pediatr 55, 297–300 (2018). https://doi.org/10.1007/s13312-018-1271-y

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  • DOI: https://doi.org/10.1007/s13312-018-1271-y

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