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Biomedical subjects

R J Azze

Publications and source records attributed to R J Azze.

15 recordsLinked to original sources
PubMed1994

Vascularized fibular graft for management of severe osteomyelitis of the upper extremity.

The authors analyzed 14 patients with severe osteomyelitis of the upper extremity between 1985 and 1992, managed with the vascularized fibular graft. Eleven radii, two humeri and one ulna were reconstructed. Bone loss after resection ranged from 6 to 12 cm (mean 8.14 cm). Follow-up ranged from 8 months to 7 years and 10 months (mean 3 years and 3 months). The therapeutic applications of the vascularized fibular graft in severe bone infections of the upper extremity were discussed and the good results of this surgical procedure established it as a good option for treatment. Morbidity at the donor site was minimal.

Adolescent↗
PubMed1994

Extraplexual neurotization of brachial plexus.

The authors reviewed 62 neurotizations of the brachial plexus in 71 patients performed between 1974 and 1989. The nerves used were the accessory, the motor or sensory branches of the cervical plexus, and the intercostals. Twenty-five suprascapular nerves, 19 musculocutaneous, 4 medial roots of the median nerve, and 12 lateral roots of the median nerve were neurotized. The authors concluded that useful results can be achieved using extraplexual neurotizations.

Adolescent↗
PubMedDate not supplied

[Retrospective study of traffic accident victims: incidence after the new National Traffic Code implantation].

The authors present a study about the frequency of the injuries caused by traffic accidents on the orthopedic patients admitted to the emergency of Institute of Orthopedics and Traumatology at the Hospital das Clínicas of the School of Medicine São Paulo University, before and after the new National Traffic Code. They found a decreased number of polytraumatized patients and severe injuries after the beginning of this new legislation.

Accidents, Traffic↗
PubMedDate not supplied

[Wrist arthroscopy].

Wrist arthroscopy was performed in 12 patients that complained of wrist pain for four months and in whom the diagnosis not established. The instruments and the technique of the procedure is described. In two patients the wrist pain diminished and in eight it disappeared. In other two patients the pain was not relieved. There were no complications.

Adolescent↗
PubMedDate not supplied

[The use of microvascular free flaps in the repair of the skin of the upper limb].

Between 1980 and 1992 microsurgical free flaps were used in 35 patients for the repair the of skin defects in the upper limb. Twenty six patients were male and nine female. The scapular flap was done in 16 cases, the lateral flap in seven, the dorsalis pedis in four, the neurovascular first web space in four, the latissimus dorsi in two, the radical forearm flap in one and the gracilis in other one. The survival rate in this series was 88.57%. Early free flaps were performed in 12 patients of whom one developed infection at the recipient site. Two-point discrimination was achieved in four thumbs reconstructed with the neurovascular first web flap. No complications occurred at the donor areas.

Adolescent↗
PubMedDate not supplied

[Surgical approach to giant cell tumors of the distal radius].

The authors review 15 patients with giant cell tumor of the distal part of the radius in the period from 1980 to 1993. Pain was always present. The treatment of stage 2 with marginal resection and methylmethacrylate yielded excellent result. In the treatment of stage 3 the authors emphasize the need of wide resection. In these patients the best functional results were obtained with the use of vascularized proximal epiphyseal fibular graft, preserving some painless mobility of the wrist and forearm.

Adolescent↗
PubMedDate not supplied

[Contribution to the anatomical study of medial arm flap].

The reports of transfer of the medial arm flap have been inconsistent, and confusion remains about its anatomy and use. The advantages of this donor site, however, justify new researches about the vascular anatomy of the flap. In this study, the vascular supply to the medial side of the arm was analysed in fifteen fresh cadaver dissections. The methods, the anatomical bases, and the technique of elevation of the flap were detailed. Methylene blue injection studies showed the extent of the medial arm flap. The authors found that, in most cases, the superior ulnar collateral artery was the main vessel of this flap, giving cutaneous branches to medial arm skin. The diameter of the superior ulnar collateral artery was measured and considered adequate for microsurgical transfer. If no major cutaneous branches are noted from superior ulnar collateral artery, then a significant direct cutaneous branch from the brachial artery will be always present. With this in mind, the dissection must initially proceed carefully, preserving all vessels that may contribute to cutaneous perfusion. The authors conclude that with knowledge of its anatomical variations, the medial arm flap is a plausible reconstructive option.

Arm↗