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Inicio Revista Española de Anestesiología y Reanimación (English Edition) Is a blood sample for hemoglobins in the transfusional range reliable?
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Vol. 65. Issue 5.
Pages 246-251 (May 2018)
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Vol. 65. Issue 5.
Pages 246-251 (May 2018)
Original article
Is a blood sample for hemoglobins in the transfusional range reliable?
¿Es fiable una muestra de gasometría para hemoglobinas en rango transfusional?
A. Lópeza,b,
Corresponding author
angel.orense@gmail.com

Corresponding author.
, L. Gómeza,b, G. Petinala,b, N. Adána,b, S. Alvaradoa,b, N. Carballoa,b
a Grupo de Investigación en Anestesia y Cuidados Críticos, Instituto de Investigación Sanitaria Galicia SUR (ISS Galicia Sur), SERGAS-UVIGO, Galicia, Spain
b Servicio de Anestesia y Reanimación, Complexo Hospitalario Universitario de Ourense (CHUO), SERGAS, Ourense, Spain
Article information
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Table 1. Haemoglobin and haematocrit levels according to testing method and threshold.
Abstract
Objective

To evaluate the correlation and agreement in our unit and population of hemoglobin in gasometry versus hematology analyzer, to evaluate errors in transfusion or lack thereof.

Results

strong association between Point-of-care (POC) and hematimetry, with P<.001, with a coefficient of determination r2 of 0.56, an intraclass correlation coefficient of 0.63 and a Lin's concordance correlation coefficient of 0.65. For hemoglobins less than 7g/dL, a success rate of 29.41% was obtained.

Conclusions

Low-moderate agreement of POC hemoglobin with standard haemothymetry. High probability of errors in the indication of transfusion based on gasometer hemoglobins, especially in low hemoglobins.

Keywords:
Hematocrit
Hemoglobin
Point-of-care systems
Resumen
Objetivo

Evaluar la correlación y la concordancia en nuestra unidad y en la población de la cifra de hemoglobina en gasometría versus hematimetría estándar; valorar errores en transfusión o falta de la misma.

Resultados

Fuerte asociación entre los resultados del gasómetro (POC) y la hematimetría, con p<0,001, con un coeficiente de determinación r2 de 0,56, un coeficiente de correlación intraclase de 0,63 y un coeficiente de correlación de Lin de 0,65. Valores similares para el hematocrito. Para hemoglobinas menores de 7g/dl se obtiene una tasa de acierto del 29,41%.

Conclusiones

Concordancia baja-moderada de la hemoglobina del POC con la hematimetría estándar. Alta probabilidad de errores en la indicación de transfusión en base a hemoglobinas de gasómetro, sobre todo en hemoglobinas bajas.

Palabras clave:
Hematocrito
Hemoglobina
Sistemas point-of-care

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