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Biomedical subjects

D N Ovadia

Publications and source records attributed to D N Ovadia.

4 recordsLinked to original sources

Intraoperative and postoperative subtrochanteric fracture of the femur associated with removal of the Zickel nail.

Twelve patients, whose ages ranged from twenty-one to sixty-eight years (mean, 32.6 years) and in whom a Zickel nail had been used to treat an acute traumatic subtrochanteric fracture of the femur, had fourteen subtrochanteric refractures that were associated with removal of the nail. The refracture was always different from the original fracture in type and site (being located an average of 4.3 centimeters distal to the lesser trochanter). Five of the refractures were recognized intraoperatively at the time of removal of the nail. Because of this potential complication, we believe that the Zickel nail should not be used in the treatment of subtrochanteric fractures of the femur in young patients.

Adult

Fractures of the tibial plafond.

The cases of one hundred and forty-two patients with 145 fractures of the ankle joint that involved the tibial plafond were reviewed. The fractures were classified into five types according to the severity of the injury. The methods of treatment were divided into two groups: open reduction and rigid internal fixation by the AO technique, and other methods. The most important variables that affected the final clinical result were the type of fracture, the method of treatment, and the quality of the reduction (p less than or equal to 0.05). The best results were obtained by rigid open reduction and internal fixation, with which 65 per cent of the more severe type-III, IV, and V fractures obtained a good or excellent result.

Adolescent

Videoarthroscopy: present and future developments.

Videoarthroscopy is used by most orthopedic surgeons who do a significant volume of arthroscopic surgery. Constant advancement in technology and equipment requires an understanding of the various components of the videoarthroscopic system. The future will bring more simplified systems that combine the solid state camera, light source, and arthroscope. The potential to interface the digital data with computers for storage will enhance record keeping. However, no matter what new developments there are, the quality of the image will be no better than the compatibility of the entire videoarthroscopic system and how it is used by the surgeon.

Arthroscopes