Acta Medica Iranica 2007. 45(3):227-232.

BASE DEFICIT IN IMMEDIATE POSTOPERATIVE PERIOD OF OPEN HEART SURGERY AND OUTCOME OF PATIENTS
F. Sabzi, V. Hassani, S. Nadri, H. Mahmoudvand, H. Teimori

Abstract


Base deficit is a non-respiratory indicator of acid base status. Aim of this study is to assess relationship between the base deficit value in immediate post operative period of CABG and valvular heart disease with cardiopulmonary and in hospital outcome of patient. A total of 136 consecutive with CABG and valvular heart disease scheduled in study. 20 variables were determined during the pre-intra-and postoperative period. Statistical univariate analysis was performed differentiating patients whose initial base deficit after weaning from cardiopulmonary bypass was -8 meq and these whose base deficit was equal or more than -8 meq. Secondly a logistic regression model was performed on the variables shown to have a statistically significant difference in univariate analysis with determination of the odd ratio. 3 variables had a statistically significant difference in univariate analysis and 2 of them high lighted by the linear logistic model. The value of base deficit measured during the immediate postoperative open-heart surgery is correlated with volume of fresh frozen plasma and blood transfusion after open heart surgery and using of intra aortic balloon pump after surgery.


Keywords


Cardiac surgery, Arterial blood gases,

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