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2023
Lefrant, J. - Y., D. Benhamou, M. - O. Fischer, R. Pirracchio, B. Allaouchiche, S. Bastide, M. Biais, A. Blet, L. Bouvet, O. Brissaud, et al., "Comments on: Reducing the Risks of Nuclear War-The Role of Health Professionals.", Anaesthesia, critical care & pain medicine, pp. 101314, 2023.
2022
Lefrant, J. - Y., R. Pirracchio, D. Benhamou, M. - O. Fischer, R. Njeim, B. Allaouchiche, S. Bastide, M. Biais, L. Bouvet, O. Brissaud, et al., "Peace, not war in Ukraine or anywhere else, please.", Anaesthesia, critical care & pain medicine, vol. 41, issue 3, pp. 101068, 2022.
2020
Kamel, M. M., A. Hasanin, B. Nawar, M. Mostafa, V. F. Jacob, H. Elhadi, W. Alsadek, and S. A. Elmetwally, "Evaluation of noninvasive hemoglobin monitoring in children with congenital heart diseases.", Paediatric anaesthesia, vol. 30, issue 5, pp. 571-576, 2020. Abstract

BACKGROUND: Noninvasive measurement of blood hemoglobin could save time and decrease the risk of anemia and infection. The accuracy of CO-oximetry-derived noninvasive hemoglobin (Sp-Hb) had been evaluated in pediatric population; however, its accuracy in children with congenital heart disease has not been studied till date. We evaluated the accuracy of Sp-Hb in relation to laboratory-measured hemoglobin (Lab-Hb) in children with congenital heart disease.

METHODS: This prospective observational study included children with congenital heart disease undergoing procedural intervention. Sp-Hb measurements were obtained using Radical-7 Masimo pulse CO-oximeter and were compared against simultaneous Lab-Hb measurements obtained from the arterial line. Children were divided in cyanotic and acyanotic, and separate analysis was performed for each group. The values of both measurements were analyzed using Spearman's correlation coefficient and Bland-Altman analysis. Correlation was performed between Sp-Hb and Lab-Hb bias and each of arterial oxygen saturation and perfusion index.

RESULTS: One-hundred and eleven pairs of readings were obtained from 65 children. The median (quartiles) age and weight of the children were 1 (1.2-4) years and 11 (8-17) kg, respectively. There was moderate correlation between Lab-Hb and Sp-Hb with a correlation coefficient (95% confidence interval [CI]) of 0.75 (0.63-0.83) in acyanotic children and 0.62 (0.37-0.79) in cyanotic children. The mean bias (95% limits of agreements) was -0.4 g/dL (-2.4 to 1.6 g/dL) and 1 g/dL (-2.7 to 4.6 g/dL) in acyanotic and cyanotic children, respectively. The mean bias between Sp-Hb and Lab-Hb showed a weak negative correlation with oxygen saturation (r [95% CI]): (-0.36 [-0.51--0.18]), and a weak positive correlation with the perfusion index (r [95% CI]): (0.19 [0.01-0.37]).

CONCLUSION: The large bias and the wide limits of agreement between Sp-Hb and Lab-Hb denote that Masimo-derived Sp-Hb is not accurate in children with congenital heart disease especially in the cyanotic group; the error in Sp-Hb increases when oxygen saturation decreases.

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