Biomedical subjects
Publications and source records attributed to G L Lucas.
Blunt arterial trauma can cause digital arterial occlusion, and vein grafts may be required to restore adequate digital blood flow, as in the case of this 55-year-old man who developed thrombosis of both the radial and ulnar digital arteries of the ring finger.
A single surgeon's consecutive series of 50 arthroscopically repaired meniscal tears in 48 patients was retrospectively reviewed. None of these patients had concomitant ligament damage to the knee. The average follow-up period was 10 years, 9 months. Criteria for clinical success included 1) history of pain of grade 1 or less and absence of locking, catching, or giving way; 2) a physical examination demonstrating no significant effusion and a painless and negative jump sign; and 3) no subsequent surgical procedures on the repaired meniscus. Patient satisfaction was quite high, although clinical confirmation was possible in only 38 knees, indicating a clinical success rate of 76%. Bilateral standing radiographs were obtained on these 38 operated knees and were evaluated using Fairbank's classification. Evaluation of the radiographs revealed that 8% of the operated knees had minimal joint changes, as compared with 3% in the contralateral, nonoperated knee. This study demonstrates that arthroscopic meniscal repair in knees with isolated meniscal tears has the potential for a long-term successful clinical and radiographic outcome.
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The introduction of the Zickel nail has provided a significant advance in the treatment of subtrochanteric fractures. The device allows early mobilization and a high rate of union. In a 24-year-old man, the device was used bilaterally for subtrochanteric fractures, thus obviating the need for prolonged hospitalization and promoting early ambulation, and return to work. It must be emphasized that a bilateral operation for subtrochanteric fracture is a formidable procedure but can be accomplished in an otherwise healthy individual.
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