• R F Wilson, S A Dulchavsky, G Soullier, and B Beckman.
• Am Surg. 1987 Jul 1; 53 (7): 410-7.

AbstractThe case records of 128 patients receiving 129 transfusions of 20 or more units of blood within a 24-hour period at Detroit Receiving Hospital, between August 1980 and August 1985, were reviewed. In patients receiving 20 to 49 units of blood, without pre-existing disease or prolonged shock, the mortality rate was 36 per cent (15/42). In similar patients who had prolonged shock, the mortality rate was 61 per cent (27/44). If the patient had pre-existing disease and prolonged shock, the mortality rate with 20 to 49 units of blood was 92 per cent (12/13). All 13 patients receiving 50 or more units of blood died. Platelet counts were less than 50,000/microL in 50 per cent (51/102). The prothrombin time (PT) was prolonged by 5 or more seconds in 54 per cent (51/92). The partial thromboplastin time (PTT) was prolonged to more than 60 seconds in 45 per cent (42/94). There was no correlation between the PT, PTT, and amount of fresh frozen plasma (FFP) given. A coagulopathy was diagnosed clinically in 43 patients, but this did not correlate well with laboratory coagulation studies. The average core temperature of the patients was 32.9 +/- 1.7 C. Severe hypocalcemia with total calcium levels less than 6.0 mg/dL was found in 53 per cent (33/62). Ionized calcium levels Ca++ were less than 0.70 mmol/L in 56 per cent (24/43). Of the 82 deaths, 32 (38%) occurred in the operating room and 31 (38%) occurred within 48 hours from continued bleeding and/or shock. Twelve deaths (15%), from severe infections, occurred after 30 days.(ABSTRACT TRUNCATED AT 250 WORDS)

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