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Objective <p>To quantify agreement between oscillometric non-invasive blood pressure (NIBP) and invasive arterial blood pressure (IBP) in infants &lt;500 g during the first postnatal week.</p> Study design <p>Retrospective cohort of infants with a birth weight &lt;500 g admitted to a tertiary NICU (2011–2023). Paired IBP–NIBP readings obtained within 1 min were analyzed. Bland–Altman plots quantified bias and 95% limits of agreement for systolic (SBP), diastolic (DBP) and mean arterial pressure (MAP).</p> Results <p>Thirty-six infants (median gestation of 26.2 weeks) contributed 337 paired measurements. Mean (±SD) IBP vs. NIBP were 47.3  ±  10.4 vs. 49.4  ±  9.3 mm Hg (SBP), 29.2  ±  7.0 vs. 28.3  ±  8.2 mm Hg (DBP) and 35.1  ±  7.7 vs. 35.2  ±  7.9 mm Hg (MAP). Mean bias was +2.1 ±  6.8 mm Hg (SBP), –0.9  ±  6.7 mm Hg (DBP) and +0.1 ± 5.4 mm Hg (MAP), satisfying AAMI/ESH/ISO criteria (≤5 mm Hg mean difference, ≤8 mm Hg SD). Bias remained &lt;3 mm Hg without inotropes; MAP bias rose to +1.3 mm Hg with inotropic support.</p> Conclusion <p>Oscillometric NIBP compared to IBP provided acceptable agreement in hemodynamically stable neonates &lt;500 g. Whereas, invasive arterial monitoring remains preferable in unstable neonates.</p>

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The feasibility of noninvasive blood pressure monitoring in infants with a birth weight under 500 grams

  • 期刊论文

  • 发表日期：

    2025年9月9日

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  • Soo Hyun Kim,
  • Euiseok Jung,
  • Hyo Myung Han,
  • Ka Young Lee,
  • Sookyoung Lee,
  • Eun A. Heo,
  • Min-Ju Kim,
  • Jung-Bok Lee,
  • Byong Sop Lee,
  • Ellen Ai-Rhan Kim,
  • Ki-Soo Kim

摘要

Objective

To quantify agreement between oscillometric non-invasive blood pressure (NIBP) and invasive arterial blood pressure (IBP) in infants <500 g during the first postnatal week.

Study design

Retrospective cohort of infants with a birth weight <500 g admitted to a tertiary NICU (2011–2023). Paired IBP–NIBP readings obtained within 1 min were analyzed. Bland–Altman plots quantified bias and 95% limits of agreement for systolic (SBP), diastolic (DBP) and mean arterial pressure (MAP).

Results

Thirty-six infants (median gestation of 26.2 weeks) contributed 337 paired measurements. Mean (±SD) IBP vs. NIBP were 47.3  ±  10.4 vs. 49.4  ±  9.3 mm Hg (SBP), 29.2  ±  7.0 vs. 28.3  ±  8.2 mm Hg (DBP) and 35.1  ±  7.7 vs. 35.2  ±  7.9 mm Hg (MAP). Mean bias was +2.1 ±  6.8 mm Hg (SBP), –0.9  ±  6.7 mm Hg (DBP) and +0.1 ± 5.4 mm Hg (MAP), satisfying AAMI/ESH/ISO criteria (≤5 mm Hg mean difference, ≤8 mm Hg SD). Bias remained <3 mm Hg without inotropes; MAP bias rose to +1.3 mm Hg with inotropic support.

Conclusion

Oscillometric NIBP compared to IBP provided acceptable agreement in hemodynamically stable neonates <500 g. Whereas, invasive arterial monitoring remains preferable in unstable neonates.