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Objective: To determine predictors of need for transfusion of blood and blood products and create a clinical predictive model to reduce indiscriminate use of blood products during surgery., Method: We conducted a retrospective chart review of 485 patients who underwent coronary artery bypass surgery from January 2004 to December 2004 at a Tertiary Care Hospital in Karachi, Pakistan. Independent predictors associated with transfusion were identified and a clinical prediction model developed., Results: The transfusion rate was 37.1%. A predictive model was created based on the presence of pulmonary disease, diabetes mellitus, low ejection fraction and recent/ongoing myocardial infarction., Conclusion: The study identifies some predictors of need for blood transfusion in patients undergoing Coronary Artery Bypass Grafting. However, prospective studies with a larger sample of patients are needed to determine other predictors and their applicability in patient selection across institutions.

Context: The subject of economic migration among health care professionals has received intense attention. However, the aetiology of this migration has not been rigorously evaluated in Pakistan. Such knowledge can potentially influence health care and academic policies. Our current study proposes to quantify the relative contributions of various personal, professional and economic variables among final-year medical students in Karachi., Methods: A self-administered structured questionnaire using a 10-point scale was developed and piloted among Karachi medical students. Additional open-ended questions were included to allow us to capture information not otherwise covered in the questionnaire. SPSS software was used for data entry and analysis., Results: Over 95% of Aga Khan University (AKU) and over 65% of Baqai University (BU) final-year medical students intend to proceed abroad for their postgraduate training. The 2 most important factors behind this intent as pointed out by the students are poor salary structure (AKU mean score 8.94 +/- 1.73, BU mean score 7.14 +/- 2.6) and poor quality of training in the home country (AKU mean score 9.20 +/- 1.20, BU mean score 8.68 +/- 2.03). Other interesting factors captured through the open-ended questions were the poor work environment and lack of rigor in teaching of residents in domestic university hospitals. Over 50% of final-year medical students cited these issues as major reasons behind their decision to migrate.