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|Type:||Artigo de periódico|
|Title:||Evaluation of infant membrane oxygenator in sheep|
de Oliveira, MAB
de Godoy, MF
|Abstract:||Objective: To analyze the security and efficacy of a new membrane oxygenator, the so-called OXM - 1500. Methods: From May 2005 to September 2006, six sheep of Santa Ines breed (five male and one female, respectively) were studied. The average body weight was 14.1 (+/- 5) kg, body surface 0.6 (+/- 0.2) m(2) and a mean age 3.8 (+/- 1.5) months. All of them were submitted to extracorporeal circulation (CEC) with evaluation at 10, 30,60,120,180 and 240 minutes. The following values were obtained: values of oxygen transference (TTO(2)) and carbon dioxide transference (TTCO(2)), haemoglobin (HBS) and free haemoglobin (HBL), the score of platelets and of leucocytes, and heat transference rate. Results: TTO(2) and TTCO(2) were adequate. Lesion of the majority formed blood elements was insignificant; there no modifications in HBS, HBL levels; platelets and leucocytes decreased over time. Heat exchange was effective (p < 0.05). Conclusions: The membrane OXM - 1500 infant oxygenator, tested in sheep, showed adequate oxygenation capacity, CO(2) removal capacity, and small alteration of haemoglobin and platelets without significant decrease of leucocytes, as expected. Heat exchanger connected to the oxygenator was efficient in temperature changes.|
|Subject:||Extracorporeal membrane oxygenation|
|Editor:||Soc Brasil Cirurgia Cardiovasc|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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