• J L Davidas, S Roullit, J Dubost, M Manchon, G Buet, L Besson, and V Banssillon.
• Ann Fr Anesth Reanim. 1986 Jan 1; 5 (1): 31-4.

AbstractRhabdomyolysis following the knee-chest position was studied in 15 patients scheduled for surgery for spondylolisthesis. A comparison was made between 11 patients scheduled for orthopaedic surgery: ligamentoplasty (6 patients), total hip prosthesis (5 patients) and 11 patients scheduled for long oral surgery. The measurements carried out were blood CPK before surgery, 4, 8, 12 and 24 h after the beginning of surgery, and at days 2, 3 and 4. Blood and urinary myoglobin were measured at days 1, 2, 3 and 4 after surgery. The results were tested with the Mann and Whitney test. There was no statistical change in CPK and myoglobin in the test population. Following the knee-chest position, there was a statistical increase of CPK in all patients, with great individual variations. Myoglobinaemia and myoglobinuria were observed in six patients, these not being correlated with the variations of CPK. Nevertheless, the maximal increase of CPK and myoglobin was seen in one patient, without any modification of diuresis but with an increase of creatininaemia at 220 mmol X l-1. In this series, rhabdomyolysis was real. CPK was not a good index of the release of haematic pigments, the only dangerous ones. A qualitative search for myoglobinuria is suggested, this being followed, or not, by alkalization to prevent acute renal failure.

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