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Biomedical subjects

M H Falahee

Publications and source records attributed to M H Falahee.

5 recordsLinked to original sources

Traction force profiles associated with the use of a fracture table: a preliminary report.

A load cell was developed that can reliably monitor longitudinal traction forces applied to limbs during several different orthopaedic procedures. This permitted determination of tensile loads and the effects of patient limb positions on tension magnitudes. The relationships between the magnitude and duration of applied tension to functional nerve changes were also studied. This preliminary report reviews traction force data on seven patients for eight operations. Mean peak loads for femoral, tibial, and hip procedures were 686, 356, and 306 N, respectively. Adduction of the limb around a fixed peroneal post caused great increases in traction forces.

Adult↗

Pyarthrosis of the knee. Treatment considerations.

Patients with pyarthrosis of the knee can be effectively managed by several different methods. A retrospective review of patients with the diagnosis of septic arthritis of the knee was undertaken to determine the efficacy of two different treatment programs. Multiple-needle arthrocentesis was contrasted with formal arthrotomy drainage. In this series, patients with a longer than three-day history of a knee pyarthrosis and those with Staphylococcus aureus or enteric gram-negative organisms on culture benefited from open drainage procedures in lieu of repeated aspiration techniques.

Adolescent↗

Skin protection during external fixation frame pin insertion: an alternative method.

Local skin necrosis and pin tract infections are common sequelae following the application of external fixation skeletal frames. Drill guides are effective instruments that help to minimize these problems. Standard nasal speculums are readily available in most operating rooms and can also be used to protect skin and soft tissues during pin insertion.

Bone Nails↗

Fracture of the polyethylene acetabular cup in total hip arthroplasties.

Fracture of the acetabular cup is an uncommon complication in total hip arthroplasties, with only six examples described in the orthopedic literature. A patient is presented to illustrate the plain radiographic findings of acetabular cup fracture and to discuss the possible mechanisms involved.

Adult↗

Resection arthroplasty as a salvage procedure for a knee with infection after a total arthroplasty.

Between 1970 and 1983, resection arthroplasty was done as a salvage procedure for twenty-eight knees (twenty-six patients) with infection after total arthroplasty. Eleven patients had multiarticular rheumatoid arthritis; fourteen, osteoarthritis; and one, multiarticular neuropathic arthropathy. Systemic signs of infection were eliminated in all patients and local signs, in 89 per cent of the patients. After resection arthroplasty alone, fifteen patients were able to walk independently. Six patients with monoarticular osteoarthritis who found the resection arthroplasty to be unacceptable had a successful secondary arthrodesis. In three patients a spontaneous bone fusion developed after the resection, with the knee in a good position. Two patients who were unable to walk before the resection arthroplasty were still unable to do so postoperatively. Neither the patient's disease nor the type of prosthesis that had been used was a reliable predictor of success of the resection arthroplasty. The patients who had had the most severe disability before the total knee arthroplasty were most likely to be satisfied. Patients who had had less disability were more likely to find the results of resection arthroplasty to be unsatisfactory.

Adult↗