1989
DOI: 10.1055/s-2007-1020354 View full text |Buy / Rent full text
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Abstract: A computer assisted model was created with the data from 514 consecutive coronary bypass patients in order to predict the potential need of a blood transfusion. During this time period strict management protocols were used. In this series 261 (55.9%) patients were never and 46 (9.9%) were only intraoperatively transfused. Intra- and postoperative transfusions were necessary for 160 (34.2%) patients. Preoperative hematocrit, age, sex, and weight were the statistically significant parameters in the development o… Show more

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“…This is consistent with several previous studies in which demographic details, comorbidities, conventional pre‐operative laboratory test results31, 32, 33, 34, 35, and procedural characteristics31, 35 contributed to prediction of RBC transfusion. The baseline‐only model confirmed that exposure to anti‐platelet drugs before cardiac surgery is also a strong predictor of post‐operative bleeding 17, 20.…”
Section: Discussionsupporting
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“…This is consistent with several previous studies in which demographic details, comorbidities, conventional pre‐operative laboratory test results31, 32, 33, 34, 35, and procedural characteristics31, 35 contributed to prediction of RBC transfusion. The baseline‐only model confirmed that exposure to anti‐platelet drugs before cardiac surgery is also a strong predictor of post‐operative bleeding 17, 20.…”
Section: Discussionsupporting
“…Second, transfusion practice in cardiac surgery has undergone recent changes—examples include the routine administration of antifibrinolytic drugs, the lowering of the transfusion trigger, and the return of postoperatively shed blood—uch that current transfusion rates are generally lower than those reported in three of the four studies (44.1‐68%) 2,4,5 . (The transfusion rate in the fourth study was only 10 percent 3 ;such a low rate is not generally reproducible even now.…”
Section: Studies That Developed Clinical Prediction Rules For Predictmentioning
“…Early identification of patients at high risk of requiring blood during elective CABG surgery would be useful, for it would allow for the targeted use of blood‐conservation modalities, which would maximize their cost‐effectiveness. Although several studies have identified preoperative variables that are associated with the risk of perioperative blood transfusion, only four studies 2–5 have used these variables to develop clinical prediction rules for estimating the probability of transfusion in patients undergoing cardiac surgery (Table 1).…”
Section: Studies That Developed Clinical Prediction Rules For Predictmentioning
“…2,[5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21] However, no multivariable prediction rules have been developed that can be used by clinicians to accurately estimate the probability of MBT in cardiac surgical patients. Consequently, we sought to develop and validate such a prediction rule in a cohort of patients who underwent cardiac surgery with cardiopulmonary bypass (CPB) at a single institution.…”
Section: Méthode : Les Données Prospectives Ont éTé Recueillies Sur Lmentioning