PMID: 9180974Jan 1, 1996Paper

Blood loss from diagnostic laboratory tests performed in intensive care units. Preliminary study

Annales Françaises D'anesthèsie Et De Rèanimation
M AlaziaG François

Abstract

To assess the volume of blood samples withdrawn for laboratory testing in intensive care unit (ICU) patients and to determine the influence of the resulting blood loss on transfusion requirements in patients staying in the ICU for more than seven days. Prospective clinical open study. Fifty patients treated in the ICU over the 3-month study period, neither admitted for a systematic postoperative monitoring, nor experiencing bleeding or haemolysis. For each patient the following data were obtained: duration of ICU stay, volume of the daily withdrawn blood, the concentration of haemoglobin (Hb) at the time of ICU admission, ICU discharge and before each transfusion, volume of transfused blood. A mean volume of 62 +/- 29 mL.d-1 of blood was taken. It decreased from 85 +/- 6 mL on admission day, to 66 +/- 6 mL after seven days and 60 +/- 8 mL after 14 days. About 27% of the withdrawn blood was rejected (initial blood reflowing through cannula and connection tube). Twenty-one patients (42%) had a length of stay greater than 7 days. In this population, a first group (13/21) was given transfusions of packed red cells during their hospitalisation and a second group (8/21) was not transfused. The mean volume of blood taken per day (67 +...Continue Reading

Citations

Jul 28, 2007·Digestive Surgery·Jan Hofland, C Pieter Henny
Feb 11, 2003·Critical Care Medicine·Ba Vinh NguyenJean-Louis Vincent
Feb 6, 2013·Clinical Chemistry and Laboratory Medicine : CCLM·Krystyna SztefkoPrzemysław Tomasik
Nov 19, 2013·Transfusion·Michael C GrantSteven M Frank
Jan 7, 2004·Critical Care Medicine·Craig Morris
Feb 18, 2009·Intensive Care Medicine·Gwénaël PratJean-Michel Boles
Dec 9, 2008·Archives of Pathology & Laboratory Medicine·Francisco Sanchez-Giron, Francisco Alvarez-Mora

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