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Accuracy and Trending of Continuous Noninvasive Hemoglobin Monitoring in Patients Undergoing Liver Transplantation

Huang, P.H ; Shih, B.F ; Tsai, Y.-F ; Chung, P.C.H ; Liu, F.C ; Yu, H.P ; Lee, W.C ; Chang, C.J ; Lin, C.C

Transplantation proceedings, 2016-05, Vol.48 (4), p.1067-1070 [Periódico revisado por pares]

United States: Elsevier Inc

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  • Título:
    Accuracy and Trending of Continuous Noninvasive Hemoglobin Monitoring in Patients Undergoing Liver Transplantation
  • Autor: Huang, P.H ; Shih, B.F ; Tsai, Y.-F ; Chung, P.C.H ; Liu, F.C ; Yu, H.P ; Lee, W.C ; Chang, C.J ; Lin, C.C
  • Assuntos: Adult ; Aged ; Female ; Hemoglobins - analysis ; Humans ; Linear Models ; Liver Transplantation - methods ; Male ; Middle Aged ; Monitoring, Intraoperative - methods ; Oximetry - methods ; Prospective Studies ; Surgery
  • É parte de: Transplantation proceedings, 2016-05, Vol.48 (4), p.1067-1070
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
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  • Descrição: Abstract Background Shift in large fluid volumes and massive blood loss during liver transplantation frequently leads to rapid changes in hemoglobin (Hb) concentration; thus, to ensure adequate tissue oxygenation, accurate and rapid determination of Hb concentration is essential in transplant recipients. The Radical-7 Pulse CO-Oximeter provides a noninvasive and continuous way to monitor Hb concentration (SpHb) in real time and is an ideal candidate for use during liver transplantation. In this study, we assessed the relationship between SpHb and total Hb (tHb) obtained from arterial blood samples during surgery. Methods Forty patients undergoing liver transplantation were enrolled in this study. tHb and time-matched SpHb were measured at 5 different phases throughout surgery. Paired SpHb and tHb levels were assessed using linear regression, Bland-Altman analysis, and the Critchley polar plot method. Results A total of 161 paired measurements with sufficient signal quality were analyzed. The correlation between SpHb and tHb was 0.59 ( P  < .001). Bland-Altman analysis revealed that a bias between SpHb and tHb was 2.28 g/dL, and limits of agreement (LoA) were from −0.78 to 5.34 g/dL. Trending analysis showed that 87% of data were located within the acceptable trending area, indicating that the trending ability was not satisfied. Conclusions The Radical-7 Pulse CO-Oximeter was not sufficient to monitor Hb levels and trends during liver transplantation surgery in our cohort. In particular, in critical patients and in those with low Hb levels, invasive Hb measurement should be used for assessment.
  • Editor: United States: Elsevier Inc
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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