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Biomedical subjects

M J Fucci

Publications and source records attributed to M J Fucci.

9 recordsLinked to original sources

Acoustic reflexes, auditory brainstem response, and MRI in the evaluation of acoustic neuromas.

Patient records were reviewed to determine whether persons with absent acoustic reflexes have a higher incidence of abnormal auditory brainstem response (ABR) results in the absence of a cerebellopontine angle (CPA) tumor than those with normal acoustic reflexes. Results showed patients with absent reflexes to have borderline or abnormal ABR results in 45.2% of the cases. Patients with normal reflexes had borderline or abnormal ABR results in 14.2% of the cases. Results indicate that magnetic resonance imaging is a more appropriate test for patients with absent reflexes, since ABR was often nondiagnostic for a CPA tumor in this group.

Evoked Potentials, Auditory, Brain Stem

Prosthesis on a mobilized stapes footplate.

Managing a mobilized footplate in stapedectomy surgery can be challenging. Between 1963 and 1992, 145 footplates were inadvertently mobilized during otosclerosis surgery. After a vein graft, a 4.0-mm Robinson prosthesis was placed on all footplates, making no attempt to remove the footplate. There were 73 thin, blue footplates and 72 thick, white footplates. Hearing results in the thin, blue footplate group was 97% successful and 100% satisfactory at 3 years. No footplate refixed. In the thick, white group, hearing was 60% successful and 72% satisfactory at 6 months. Footplate refixation was found at revision in all but one unsuccessful case. After revision, the thick, white group had 79% successful and 89% satisfactory hearing results at 3 years. No patient in either group was worse. We conclude that placing a vein graft and a Robinson prosthesis is a safe and effective technique for a mobilized footplate. If the footplate is thin and blue, there is little or no risk of refixation. If the footplate is thick and white, approximately 30% will require revision.

Follow-Up Studies

Stapedectomy in the elderly.

Clinical records were reviewed to examine the effectiveness of stapedectomy in patients 70 years and older. A total of 154 patients was studied, including 11 with profound hearing loss with long-standing otosclerosis. Ages at the time of surgery ranged from 70 to 92 years (mean, 76.3 years). The mean pure-tone average (500, 1,000, 2,000, and 4,000 Hz) improved 30.6 dB after surgery for the 143 patients in the main otosclerotic group and 26.8 dB for the patients in the profound-hearing-loss group. The rate of successful stapedectomies for the 70(+)-year-old patients (90.9%) and the younger comparison group (90.0%) were similar. These findings extend the documented range of stapedectomy as a safe and effective procedure through the eighth decade of life.

Aged

Severe orbital infection as a complication of orbital fracture.

Orbital fractures secondary to blunt trauma, and their complications, have been the subject of numerous reports, with little mention of an association with severe orbital infection. Conversely, studies of severe (postseptal) orbital infections rarely make reference to orbital fractures as being a significant pathogenetic factor. In a retrospective study of 130 orbital infections, three cases of severe orbital infection were identified as being associated with an orbital fracture, and are thus presented. In the literature, only anecdotal reports and inconclusive studies address this problem, and its possible prevention. The consequences of a pathologic communication between the paranasal sinuses and the orbit secondary to blunt facial trauma are discussed, along with recommendations for prophylactic management.

Adult

Intranasal lengthening of the nose.

A short nose occurs congenitally or as a result of rhinoplasty surgery. The correction is difficult when it involves grafts, flaps and implants. An intranasal technique of lengthening the nose without grafts, flaps or implants is described. It allows the nasal tip to rotate inferiorly, resulting both in an actual and apparent lengthening of the nose.

Humans

Vestibular nerve section.

INTRODUCTION: Vestibular nerve section is considered to be the most effective surgical procedure for control of intractable symptoms secondary to labyrinthine and eighth nerve function. This study was developed to retrospectively evaluate the efficacy of vestibular nerve section in patients treated for disabling labyrinthine dysfunction. METHODS: A retrospective review of hospital and office records was carried out on 39 patients who underwent vestibular nerve section. All patients received a comprehensive questionnaire to subjectively evaluate efficacy. RESULTS: Questionnaires were returned from 36 of 39 patients. Follow-up averaged 51 months. A decrease in vertiginous attacks was reported by 94% of patients. An improvement in activity tolerance was reported by 30% of patients. Preoperative tinnitus and ear fullness reportedly improved after surgery in 53% and 65% or patients respectively. Complications encountered included cerebrospinal fluid (CSF) leak (six patients), meningitis (two patients), and intracranial fluid collection (one patient). CONCLUSION: Vestibular nerve section is a relatively safe and effective method of treatment for intractable vertigo.

Activities of Daily Living