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[Transfusion use in curatively operated patients with colorectal carcinomas. Swiss Study Group for Clinical Cancer
D Geissmann1, U Laffer, R Maibach
1Chirurgische Klinik, Spitalzentrum Biel.
Objective:
Is there an improvement of the behaviour for restrective blood transfusions after the data in the literature and especially the preliminary data of the SAKK 40/81 study have been published? They have shown a worsening of the prognosis in patients with colorectal cancer after pre-/postoperative blood transfusions have been given.
Material And Methods:
Analysis of the retrospective transfusion data of the SAKK 40/81 study in comparison with the prospective transfusion data of the study SAKK 40/87.
Results:
The analysis of the data showed that in the SAKK 40/81 study more patients received blood transfusions than in the SAKK 40/87 study (77% versus 49%). Especially there was a diminution from 90% in the SAKK 40/81 to 59% in the SAKK 40/87 study for the rectal cancer patients respectively from 70% to 44% in the colon cancer patients having received blood transfusions. The mean value of hemoglobin of the patients not having received transfusions has decreased from 11.2 (7.8-15) g/100 ml in the SAKK 40/81 to 10.6 (5.4-15) g/100 ml in the SAKK 40/87 study (p = 0.0001).
Conclusion:
The data of the two SAKK studies showed that in Switzerland the donation of blood transfusions in patients with colorectal cancer has continuously been handled more and more restrictive. An even more restrective use may be possible in future due to new operation techniques and the possibility of preoperative administration of erythropoetin to increase the hemoglobin level.