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Agreement Between Non-Invasive (Oscillatory) and Invasive Intra-Arterial Blood Pressure in the Pediatric Cardiac Critical Care Unit

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Abstract

Objective

We assessed the agreement between non-invasive (oscillatory) blood pressure (NIBP) measurements and invasive intra-arterial blood pressure (IBP) in the pediatric cardiac critical care unit.

Methods

Children with intra-arterial lines as per standard management protocol were enrolled. NIBP was measured every 4 hourly and the corresponding IBP reading was recorded.

Results

A total of 839 brachial NIBP, 834 IBP femoral (IF), and 137 IBP radial (IR) readings were noted on 45 participants. The mean difference (95% CI) for agreement between NIBP and IF was −2.3 (−27.1, 22.5) mmHg for systolic, 0.9 (−21.3, 23.1) mmHg for diastolic and 0.3 (−23.3, 23.9) mmHg for mean BP. Similar results were found between NIBP and IR and between IF and IR. The interrater agreement [Kappa (95% CI)] was fair between NIBP and IF [0.54 (0.48, 0.61)], and IF and IR [0.62 (0.48, 0.76)] but lower between NIBP and IR [0.37(0.20, 0.55)] when values were classified as hypotensive, normotensive, and hypertensive.

Conclusions

NIBP cannot replace but can supplement IBP in the pediatric cardiac critical care setting.

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Authors and Affiliations

  1. Department of Pediatrics, Pramukhswami Medical College, Shree Krishna Hospital, Karamsad, 388 325, Anand, Gujarat, India

    Amit Kumar, Jigar P. Thacker, Manoj Chaudhary & Somashekhar M. Nimbalkar

  2. Department of Central Research Services, Charutar Arogya Mandal, Karamsad, Anand, Gujarat, India

    Ajay G. Phatak

Authors
  1. Amit Kumar
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  2. Jigar P. Thacker
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  3. Manoj Chaudhary
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  4. Ajay G. Phatak
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  5. Somashekhar M. Nimbalkar
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Corresponding author

Correspondence to Jigar P. Thacker.

Additional information

Ethics clearance

Institutional ethics committee; No IEC/HMPCMCE/114/Faculty/11/dated October 1, 2019. Considering the nature of the study, a waiver of informed consent was approved.

Contributors

JT: conceptualized and designed the study, guided and supervise data collection, drafted the manuscript, and approved the final manuscript; SN: conceptualized and designed the study, critical review of the manuscript, and approved the final manuscript; AK; critical inputs for design of the study and manuscript preparation, drafting the manuscript, guided and supervise data collection, and approved the final manuscript; MC; helped in study planning and execution, continued onsite data collection and interpretation, and approved the final manuscript; AP: conceptualized and designed the study, data analysis, critical input for manuscript preparation, and approved the final manuscript.

Funding

None

Competing interest

None stated.

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Kumar, A., Thacker, J.P., Chaudhary, M. et al. Agreement Between Non-Invasive (Oscillatory) and Invasive Intra-Arterial Blood Pressure in the Pediatric Cardiac Critical Care Unit. Indian Pediatr 58, 643–646 (2021). https://doi.org/10.1007/s13312-021-2260-0

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  • DOI: https://doi.org/10.1007/s13312-021-2260-0

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