An effective technique for corticosteroid injection into the knee joint.
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Biomedical subjects
Publications and source records attributed to J M Dolibois.
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A 66-year-old, obese, mentally retarded man sustained a closed spiral fracture of the humerus accompanied by development of a large false aneurysm arising from a small rent in the distal third of the brachial artery. Because of the patient's body habitus, mental deficiency, and paucity of objective physical findings, the arterial injury was not suspected until expensive pressure necrosis necessitated shoulder disarticulation as a lifesaving measure. Although false aneurysms are known to complicate penetrating trauma and various surgical procedures using metallic implants, the lesion has not been previously reported with closed long bone fractures. The authors wish to alert others to occurrence of the occult arterial injury in association with a relatively common extremity fracture. The need to exercise special awareness and suspicion of subtle injuries in patients whose age, mental status, or associated trauma render communication of symptoms impossible, cannot be overemphasized.
Unicompartment total knee replacement is a controversial operation. Conflicting reports indicate that there is unacceptable wear associated with loosening. To investigate the problem, 21 patients were examined 2--4 years after the operation. Eighty-one per cent of the patients were free of pain. None of the remaining patients had disabling pain. All patients demonstrated 90 degrees or greater range of motion with 91% of the patients' preoperative deformity completely corrected. There was a 19% evidence of X-ray loosening of the component which was consistently associated with the clinical symptoms of mild pain. Unicompartment total knee replacement is an acceptable alternative to high tibial osteotomy and relieves pain as well as corrects deformity.
Twelve patients with uni-compartment total knee replacement were followed for a period of 12 to 30 months with an average follow-up of 19 months. Results in 11 out of 12 patients suggest that this operation is an alternative to high tibial osteotomy or hemiarthroplasty in selected patients. Long term end result studies are necessary to evaluate uni-compartment total knee replacement as a durable procedure for the management of knee arthritis.