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Hemodilution during bone marrow harvesting in children

Perez de Sá, Valéria LU ; Békássy, Albert LU ; Schou, Henning LU ; Werner, Mads LU and Werner, Olof LU (1991) In Anesthesia and Analgesia 72(5). p.645-650
Abstract
Eight children (1--17 yr) underwent bone marrow harvesting while in cytostatic-induced remission of their disease (leukemia [n = 6], Ewing sarcoma, and non-Hodgkin lymphoma). After the induction of general anesthesia, all patients were loaded with 10 mL/kg of a 6% high-molecular dextran solution (Macrodex — Pharmacia), which resulted in a significant preoperative decrease in hematocrit (Hct) from 32% ± 6% to 28% ± 5% (hypervolemic hemodilution) and also allowed the procedure to be performed without systemic heparinization. The blood aspirated during the harvest (24 ± 6 mL/kg; mean ± SD) was replaced with a solution of 6% dextran and Ringer's acetate solution, and the Hct decreased from 28% ± 5% to a minimum of 18% ± 3%. Immediately after... (More)
Eight children (1--17 yr) underwent bone marrow harvesting while in cytostatic-induced remission of their disease (leukemia [n = 6], Ewing sarcoma, and non-Hodgkin lymphoma). After the induction of general anesthesia, all patients were loaded with 10 mL/kg of a 6% high-molecular dextran solution (Macrodex — Pharmacia), which resulted in a significant preoperative decrease in hematocrit (Hct) from 32% ± 6% to 28% ± 5% (hypervolemic hemodilution) and also allowed the procedure to be performed without systemic heparinization. The blood aspirated during the harvest (24 ± 6 mL/kg; mean ± SD) was replaced with a solution of 6% dextran and Ringer's acetate solution, and the Hct decreased from 28% ± 5% to a minimum of 18% ± 3%. Immediately after the harvest, 10 mL/kg of homologous packed red blood cells was transfused, increasing Hct to 25% ± 3%. Oxygen saturation in the superior caval vein (Scvo2) decreased from 79% ± 4% before the harvest to 70% ± 3% (P < 0.01) at the end of it, and then increased to 74% ± 3% after the transfusion of homologous packed red blood cells. There was a strong linear correlation between mean values for Hct and Scvo2 during the various stages (r = 0.99). Mean heart rate decreased gradually during the procedure, from 106 ± 10 to 86 ± 7 beatslmin. There was no significant change in arterial pressure, but cardiac output measured by impedance cardiography was about 30% greater during harvesting than during undisturbed anesthesia. Pulse oximetric saturation was 99% or 100% throughout. Caval venous blood lactate and pyruvate concentrations remained within normal limits in all children. Recovery after anesthesia was uneventful, except in one child in whom severe shivering developed. H is concluded that the hemodilution resulted in a statistically but not clinically significant decrease in Scvo2 that was well tolerated by the patients as judged from hemodynamic responses as well as levels of arterial oxygen saturation (Sao2) and blood lactate. (Less)
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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
HEMODILUTION—bone marrow harvesting, ANESTHESIA, BONE MARROW HARVESTING, BLOOD
in
Anesthesia and Analgesia
volume
72
issue
5
pages
645 - 650
publisher
Lippincott Williams & Wilkins
external identifiers
  • pmid:2018222
  • scopus:0025856368
ISSN
1526-7598
language
English
LU publication?
yes
id
bb82039d-a51e-4951-b37b-021f5ece859e (old id 1105638)
date added to LUP
2016-04-01 15:54:11
date last changed
2021-09-19 04:58:30
@article{bb82039d-a51e-4951-b37b-021f5ece859e,
  abstract     = {{Eight children (1--17 yr) underwent bone marrow harvesting while in cytostatic-induced remission of their disease (leukemia [n = 6], Ewing sarcoma, and non-Hodgkin lymphoma). After the induction of general anesthesia, all patients were loaded with 10 mL/kg of a 6% high-molecular dextran solution (Macrodex — Pharmacia), which resulted in a significant preoperative decrease in hematocrit (Hct) from 32% ± 6% to 28% ± 5% (hypervolemic hemodilution) and also allowed the procedure to be performed without systemic heparinization. The blood aspirated during the harvest (24 ± 6 mL/kg; mean ± SD) was replaced with a solution of 6% dextran and Ringer's acetate solution, and the Hct decreased from 28% ± 5% to a minimum of 18% ± 3%. Immediately after the harvest, 10 mL/kg of homologous packed red blood cells was transfused, increasing Hct to 25% ± 3%. Oxygen saturation in the superior caval vein (Scvo2) decreased from 79% ± 4% before the harvest to 70% ± 3% (P &lt; 0.01) at the end of it, and then increased to 74% ± 3% after the transfusion of homologous packed red blood cells. There was a strong linear correlation between mean values for Hct and Scvo2 during the various stages (r = 0.99). Mean heart rate decreased gradually during the procedure, from 106 ± 10 to 86 ± 7 beatslmin. There was no significant change in arterial pressure, but cardiac output measured by impedance cardiography was about 30% greater during harvesting than during undisturbed anesthesia. Pulse oximetric saturation was 99% or 100% throughout. Caval venous blood lactate and pyruvate concentrations remained within normal limits in all children. Recovery after anesthesia was uneventful, except in one child in whom severe shivering developed. H is concluded that the hemodilution resulted in a statistically but not clinically significant decrease in Scvo2 that was well tolerated by the patients as judged from hemodynamic responses as well as levels of arterial oxygen saturation (Sao2) and blood lactate.}},
  author       = {{Perez de Sá, Valéria and Békássy, Albert and Schou, Henning and Werner, Mads and Werner, Olof}},
  issn         = {{1526-7598}},
  keywords     = {{HEMODILUTION—bone marrow harvesting; ANESTHESIA; BONE MARROW HARVESTING; BLOOD}},
  language     = {{eng}},
  number       = {{5}},
  pages        = {{645--650}},
  publisher    = {{Lippincott Williams & Wilkins}},
  series       = {{Anesthesia and Analgesia}},
  title        = {{Hemodilution during bone marrow harvesting in children}},
  volume       = {{72}},
  year         = {{1991}},
}