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Biomedical subjects

Samir Mehta

Publications and source records attributed to Samir Mehta.

20 records · Page 2Linked to original sources

Neuro-orthopedic management of shoulder deformity and dysfunction in brain-injured patients: a novel approach.

Shoulder problems are common in patients with traumatic brain injury. Very little has been written about the evaluation and neuro-orthopedic management of these problems. This is largely because there have not been surgical treatments available other than release of contracted, nonfunctional shoulders. Shoulder problems can be classified and evaluated using several different strategies: bony versus soft tissue restrictions; static versus dynamic deformities; traumatic injuries versus impairments secondary to weakness and spasticity; or problems of active function versus problems of passive function. Regardless of the classification system employed a systematic approach to evaluation and treatment is essential. Shoulder impairments can be corrected leading to significant improvement in functional outcomes. In this paper we report on the novel evaluation and surgical management options developed in our program for the most common shoulder problems encountered in patients with traumatic brain injury.

Brain Injuries↗

Modern surgical treatment of primary aneurysmal bone cyst of the spine in children and adolescents.

Aneurysmal bone cyst (ABC) is a benign but locally aggressive tumor-like condition. Treating children with spinal involvement poses special hazards due to the proximity of the lesion to the spinal cord and the need to preserve spinal stability and balance after surgery. Twelve children with ABC treated between 1990 and 2002 at a tertiary pediatric musculoskeletal tumor center using modern surgical techniques and technology were retrospectively reviewed. A surgical technique using a four-step approach of intralesional curettage, high-speed bur, electrocautery, and bone grafting was found to have a significantly reduced rate of recurrence (0/8 cases) compared with traditional intralesional curettage and bone grafting (4/4 cases) (P < 0.002). Short-segment spinal fusion with instrumentation was also done in five cases immediately after excision of the ABC under the same anesthesia and was a nonsignificant marker for reduced rate of recurrence (P < 0.08), likely secondary to wide exposure. Overall, at last follow-up, all 12 patients were alive and well with no evidence of disease and no significant spinal deformity. The four-step approach to treatment of ABC of the spine with appropriate spinal instrumentation and fusion is recommended for successful treatment of this aggressive lesion.

Adolescent↗