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Biomedical subjects

M V Stevanovic

Publications and source records attributed to M V Stevanovic.

9 recordsLinked to original sources
PubMed2003

A prolonged case of Mycobacterium marinum flexor tenosynovitis: radiographic and histological correlation, and review of the literature.

We report on a 30-year-old man with prolonged Mycobacterium marinum flexor tenosynovitis. Due to low clinical suspicion, diagnosis was not made until 8 years after initial presentation. The history and magnetic resonance and tissue examination findings are consistent with mycobacterial tenosynovitis. These findings are presented, together with a review of the literature.

Adult↗
PubMed2001

Culture results and amputation rates in high-pressure paint gun injuries of the hand.

High-pressure paint gun injuries have been well described in the literature, and the use of antibiotics is recommended as part of their management. However, there is no scientific evidence to support the use of antibiotics. In addition, the type of paint injected (water- versus oil-based) has never been investigated to determine the extent of morbidity resulting from these injuries. This study examines the organisms cultured in wounds resulting from these injuries and whether the type of paint injected had an influence on amputation rates. Charts of 35 patients with high-pressure paint gun injuries to their hands were reviewed. The amputation rate was 50% with oil-based paints and 0% with water-based paints. Forty-seven percent of wound cultures were positive, with gram-negative bacteria found in 58% of isolates. Our findings support the use of antibiotics, which should cover both gram-positive and gram-negative organisms.

Adult↗
PubMed1998

Local or free muscle flaps and unreamed interlocked nails for open tibial fractures.

The treatment of open tibial fractures associated with severe soft tissue injuries remains a difficult dilemma, even to the experienced fracture surgeon. To ascertain the efficacy of nailing tibial fractures with severe soft tissue injuries, a review of all open tibial fractures treated at the authors' institution was done. Those fractures initially stabilized with nonreamed nails which required muscle flaps for coverage were selected for study. Thirty-three patients (26 men, seven women) were treated with intramedullary nailing and muscle flap coverage for the soft tissue defects. The average length of followup was 12.1 months (range, 7-42 months). The average time to union was 27 weeks (range, 14-45 weeks). There were five (15%) infections: two (6%) superficial wound infections, one (3%) flap infection, and two (6%) cases of osteomyelitis. In no patient did the infection result in limb ablation. Thirteen of 33 (42%) patients required secondary procedures to enhance union. In this study, it was found that although delayed procedures frequently were required to promote fracture union, the time to union, and infection rates were not significantly different from those reported for external fixation of fractures that require local or free muscle transfers.

Adolescent↗
PubMed1991

Avulsion injuries of the thumb.

Avulsion amputations of the thumb are generally thought to have a worse prognosis after replantation than other amputations. We report the results of 17 thumbs that had an avulsion amputation and were replanted. Fourteen of the 17 survived (82 percent). Our experience indicated that the survival rate was improved by restoring continuity of at least two veins and two arteries, using a Y-shaped vein graft and the princeps pollicis artery for the source of arterial circulation. Nerve grafts were used to bridge defects in avulsed digital nerves. When possible, avulsed tendons were reattached to their muscle. Key pinch strength was 60 percent of normal, and grip strength was always less than that of the normal hand. The age of the patients and the cold ischemia time had no significant effect on either survival or function of the replanted thumb. When excellent venous backflow occurred immediately after the vessel repair and continued for at least 20 minutes, the thumb always survived without complications.

Adolescent↗
PubMed1989

Digital replantation at the level of the distal interphalangeal joint and the distal phalanx.

Forty-two complete, single digit amputations at the level of the distal interphalangeal joint or distal phalanx are reviewed. Viability was 81%. Operative time averaged 4.6 hours. Average age of patients was 28 years and 90% were male. Forty-eight percent of the amputations involved the thumb; 79% were at the distal interphalangeal joint and 21% were more distal. One artery was repaired in 64% of replantations, two or three veins were repaired in 61%, and veins grafts were used in 19% of cases. Sixty-nine percent of the crush-avulsion injuries succeeded compared with 89% of lacerations. Two-point discrimination averaged 10 mm and proximal interphalangeal motion averaged 91 degrees. Patients returned to work an average of 2.5 months after replantation and none required additional procedures. The average total cost of treatment was $7500.00. Compared with conventional procedures, disadvantages of replantation at or distal to the distal interphalangeal joint are that it does require microsurgical training, initial operating time is longer, and it is more expensive. Advantages are that it is a one-stage procedure that gives good distal soft tissue coverage, adequate sensibility without painful neuroma, good metacarpophalangeal and proximal interphalangeal joint motion; it preserves the nail, maintains digit length, is cosmetically pleasing, and the patient is satisfied.

Adolescent↗
PubMed1986

Canine experimental free muscle transplantation.

Transplants of the cranial portion of the dog sartorius muscle were able to generate 70% of control force after 3 months if the artery, vein, and nerve were reanastomosed. Our histological and histochemical findings correlate with the functional findings. In a separate group of animals that had their muscles denervated prior to replantation, no collateral sprouting was noted and no function could be recorded when the nerve was stimulated proximally. These findings suggest that clinical application of free muscle transplantation is strongly supported by this animal model if due consideration is paid to surgical procedure and anatomical structure.

Animals↗
PubMed1984

Dorsal dislocation of the fourth and fifth carpometacarpal joints and simultaneous dislocation of the metacarpophalangeal joint of the small finger: a case report.

A patient with dorsal dislocation of the fourth and fifth carpometacarpal (CMC) joints and dislocation of the metacarpophalangeal (MP) joint of the small finger was managed successfully by open reduction and transarticular fixation of the CMC joint dislocation and closed reduction of the MP joint dislocation. This rare combination of injuries has not been reported previously.

Adult↗