Evidence map›Paper›PMID 31855150›Full record

ArticleBlood transfusion = Trasfusione del sangue2020

Perioperative blood loss: estimation of blood volume loss or haemoglobin mass loss?

Sebastian Jaramillo, Mar Montane-Muntane, Pedro L Gambus, David Capitan, Ricard Navarro-Ripoll, Annabel Blasi

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Article in Blood transfusion = Trasfusione del sangue, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.

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34citing papers in PubMed
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3 · Its place in the literature

Who cites it

34 citing papers in PubMed.

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  10. Radiographic bladder shift is a harbinger of intraoperative blood loss in acetabular surgical fixation.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2024
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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Sebastian JaramilloDepartment of Anaesthesiology, "CLINIC de Barcelona" Hospital, Barcelona, Spain.
Mar Montane-MuntaneDepartment of Anaesthesiology, "CLINIC de Barcelona" Hospital, Barcelona, Spain.
Pedro L GambusDepartment of Anaesthesiology, "CLINIC de Barcelona" Hospital, Barcelona, Spain.
David CapitanDepartment of Anaesthesiology, "CLINIC de Barcelona" Hospital, Barcelona, Spain.
Ricard Navarro-RipollDepartment of Anaesthesiology, "CLINIC de Barcelona" Hospital, Barcelona, Spain.
Annabel BlasiDepartment of Anaesthesiology, "CLINIC de Barcelona" Hospital, Barcelona, Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPerioperative blood loss is an essential parameter in research into Patient Blood Management. However, currently there is no "gold standard" method to quantify it. Direct measurements of blood loss are considered unreliable methods, and the formulae to estimate it have proven to be significantly inaccurate. Given the need for better research tools, this study evaluated an estimation of haemoglobin mass loss as an alternative approach to estimate perioperative blood loss, and compared it to estimations based on blood volume loss. MATERIAL AND

methodsWe studied one hundred consecutive patients undergoing urological laparoscopic surgery. Both haemoglobin mass loss and blood volume loss were directly measured during surgery, under highly controlled conditions for a reliable direct measurement of blood loss. Three formulae were studied: 1) a haemoglobin mass loss formula, which estimated blood loss in terms of haemoglobin mass loss, 2) the López-Picado's formula and 3) an empirical volume formula that estimated blood loss in terms of blood volume loss. The empirical volume formula was developed within the study with the aim of providing the best possible estimation of blood volume loss in the studied population. The formulae were evaluated and compared by assessing their agreements with their respective direct measurements of blood loss.

resultsThe haemoglobin mass loss formula met the predefined agreement criterion of ±71 g, with 95% limits of agreement ranging from 0.6 to 44.1 g and a moderate overestimation of 22.4. In comparison to both blood volume loss formulae, the haemoglobin mass loss formula was superior in every agreement parameter evaluated. DISCUSSION: In this study, the estimation of haemoglobin mass loss was found to be a more accurate method to estimate perioperative blood loss. This estimation method could be a robust research tool, although more studies are needed to establish its reliability.

Indexed as

Blood Loss, SurgicalAdultAgedAged, 80 and overBlood VolumeFemaleHemoglobinsHumansLaparoscopyMaleMiddle AgedReproducibility of ResultsHemoglobins

Identifiers

PMID31855150
PMCPMC7053522

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.