Salvage and reinfusion of postoperative sanguineous wound drainage. A preliminary report.

Thirty-five patients who were to have posterior spinal arthrodesis, total hip arthroplasty, or total knee arthroplasty were entered into one of two groups: Group A, to receive unwashed, filtered sanguineous drainage from the wound, or Group B, to receive washed, filtered drainage. The purpose of this prospective study was to evaluate the safety, efficacy, and difficulty of reinfusion of washed compared with unwashed drainage that had been salvaged from the wound after an orthopaedic operation. The sixteen patients in Group A received a mean of 475 milliliters of unwashed drainage for each total knee arthroplasty, 427 milliliters for each total hip arthroplasty, and ten milliliters for the one posterior spinal arthrodesis. The complications included immediate hypotension (two patients), hyperthermia (one patient), and hypotension five hours after reinfusion (one patient). The latter patient died, four days after the operation, of a massive myocardial infarction. The nineteen patients in Group B received a mean of 193 milliliters of washed, filtered drainage for each total knee arthroplasty, 203 milliliters for each total hip arthroplasty, and 179 milliliters for each posterior spinal arthrodesis. Salvage and reinfusion of washed drainage from the wound caused no problems in these patients.