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Experimental Fat Grafts and Teflon Pistons in Cats
LEWIS J. RUTLEDGE, MD;
FRANCISCO SANABRIA, MD;
HAROLD G. TABB, MD;
MAKOTO IGARASHI, MD
Arch Otolaryngol. 1965;81(6):570-576.
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| Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings. |
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IN PATIENTS with otosclerosis, stapedes have been effectively replaced by free autogenous grafts or by an absorbable gelatin sponge (Gelfoam).1-3 Whereas these grafts protect the inner ear and function satisfactorily, stapedial operation may lead to such complications as high-frequency hearing loss with poor auditory discrimination, delayed but severe sensorineural hearing loss, formation of fistula in the oval window, and fatal meningitis.4-6
Studies in experimental animals suggest that the rare but serious complication of delayed, severe sensorineural hearing loss may be the result of breakdown of a nonviable graft.7 To avert high-frequency sensorineural hearing loss after stapedectomy, Shea8 devised the Teflon piston operation. Tabb9 recently found that patients in whom stapedes were replaced by a prosthesis of Teflon wire consistently had higher levels of hearing and maintained preoperative discrimination scores more often than did those with tissue grafts. Previous histopathologic studies of free autogenous fat grafts
. . . [Full Text PDF of this Article]
Author Affiliations
NEW ORLEANS; BOSTON
From the Temporal Bone Laboratory, Department of Otolaryngology, Tulane University School of Medicine, New Orleans (Drs. Rutledge, Sanabria, and Tabb); Massachusetts Eye and Ear Infirmary, Boston (Dr. Igarashi). Dr. Sanabria is now at Cuidad Universataria, Madrid. Dr. Igarashi is now at the US Naval School of Aviation Medicine, Pensacola, Fla.
Footnotes
Submitted for publication Sept 7, 1964.
Reprint requests to 1430 Tulane Ave, New Orleans (Dr. Rutledge).
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