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Jani P, Balegarvirupakshappa K, Moore JE, et al. Regional Oxygenation and Perfusion Monitoring to Optimize Neonatal Packed Red Blood Cell Transfusion Practices: A Systematic Review. Transfus Med Rev. 2021;doi: 10.1016/j.tmrv.2021.07.005.
Jani, P., Balegarvirupakshappa, K., Moore, J. E., Badawi, N., & Tracy, M. (2021). Regional Oxygenation and Perfusion Monitoring to Optimize Neonatal Packed Red Blood Cell Transfusion Practices: A Systematic Review. Transfusion medicine reviews, . https://doi.org/10.1016/j.tmrv.2021.07.005
Jani, Pranav, et al. "Regional Oxygenation and Perfusion Monitoring to Optimize Neonatal Packed Red Blood Cell Transfusion Practices: A Systematic Review." Transfusion medicine reviews vol. (2021). doi: https://doi.org/10.1016/j.tmrv.2021.07.005
Jani P, Balegarvirupakshappa K, Moore JE, Badawi N, Tracy M. Regional Oxygenation and Perfusion Monitoring to Optimize Neonatal Packed Red Blood Cell Transfusion Practices: A Systematic Review. Transfus Med Rev. 2021 Sep 29; doi: 10.1016/j.tmrv.2021.07.005. Epub 2021 Sep 29. PMID: 34702614.
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Transfus Med Rev. 2021 Sep 29; doi: 10.1016/j.tmrv.2021.07.005. Epub 2021 Sep 29.

Regional Oxygenation and Perfusion Monitoring to Optimize Neonatal Packed Red Blood Cell Transfusion Practices: A Systematic Review.

Transfusion medicine reviews

Pranav Jani, Kiran Balegarvirupakshappa, James E Moore, Nadia Badawi, Mark Tracy

Affiliations

  1. Department of Neonatology, Westmead Hospital, Westmead, Australia; The University of Sydney, Sydney, Australia. Electronic address: [email protected].
  2. Neonatal Intensive Care Unit, Nepean Hospital, Penrith, Australia; The University of Sydney, Sydney, Australia.
  3. Division of Neonatal-Perinatal Medicine, Connecticut Children's Medical Center, Connecticut Children's, Hartford, CT, USA; UCONN School of Medicine Farmington, CT, USA.
  4. The University of Sydney, Sydney, Australia; Grace Centre for Newborn Intensive Care, The Children's Hospital at Westmead, Westmead, Australia; Cerebral Palsy Alliance Research Institute, Sydney, Australia.
  5. Department of Neonatology, Westmead Hospital, Westmead, Australia; The University of Sydney, Sydney, Australia.

PMID: 34702614 DOI: 10.1016/j.tmrv.2021.07.005

Abstract

Contemporary packed red blood cell transfusion practices in anaemic preterm infants are primarily based on measurement of hemoglobin or haematocrit. In neonatal intensive care units, most preterm infants receive at least 1 packed red cell transfusion as standard treatment for anaemia of prematurity. Clinicians are faced with a common question "at what threshold should anaemic preterm infants receive packed red blood cell transfusion?". While evidence from interventional trials offers a range of haemoglobin levels to clinicians on thresholds to initiate red cell transfusion, it does not offer identification of exact haemoglobin level at which regional oxygenation and perfusion gets compromised. Assessment of regional oxygenation using near infrared spectroscopy and perfusion using ultrasound could offer a personalized transfusion medicine approach to optimize transfusion practices. We conducted a systematic review of the literature to identify the role of both regional oxygenation and/or ultrasound-based perfusion monitoring as a potential trigger to initiate packed red blood cell transfusion in anaemic preterm infants. MEDLINE, Embase, Maternity and Infant Care database were searched up to March 2021. Publications identified were screened and relevant data was extracted. Changes to regional oxygenation and/or perfusion monitoring before and after packed red blood cell transfusion were the primary outcomes. 44 out of 755 studies met the inclusion criteria and were included in the final analysis. Most were prospective, observational studies in stable preterm infants. Overall, studies reported an improvement in regional oxygenation and/or ultrasound-based perfusion after packed red blood cell transfusion. These changes were more consistently observed when hemoglobin <9.6g/dL or hematocrit was <0.30. Significant variation was found for patient characteristics, postnatal age at the time of monitoring, criteria for diagnosis of anaemia, and period of monitoring as well as regional oxygenation monitoring methodology. Regional oxygenation and/or perfusion monitoring can identify at-risk anaemic preterm infants and are promising tools to individualize packed red blood cell transfusion practices. However, there is lack of evidence for incorporating this monitoring, in their present form, into standard clinical practice. Additionally, consistency in reporting of study methodology should be improved.

Copyright © 2021. Published by Elsevier Inc.

Keywords: Anaemia; Blood transfusion; Near-Infrared; Perfusion; Spectroscopy

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