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Biomedical subjects

E C Brandow

Publications and source records attributed to E C Brandow.

8 recordsLinked to original sources

Homograft tympanic membrane myringoplasty.

During a six-year period, homograft tympanic membranes have been used successfully for myringoplasty or tympanoplasty in 85% of 175 cases. This percentage is not as high as might be expected with fascia, and the homografts have not been as dependable in the wet, draining ear. However, the results do show that the homograft is an acceptable grafting material. The eardrums are not suggested as substitutes for fascia, but should be available for difficult cases. Their use is indicated in large or total defects to restore the natural anatomical conical shape of the eardrum, particularly in congenital atresia. The prime indication for their use is a missing malleus, and the malleus handle can be included within the transplant. The eardrum's rigid properties and the possibility of inclusion of ossicles make the homografts valuable in reconstruction of the old mastoid cavity.

Ear Deformities, Acquired

Surgical procedure for the mastoid cavity problem.

When the mastoid cavity infection is the result of breakdown of the skin lining, the cavity should be obliterated. Many types of material have been used, but postauricular tissue has been most effective. Instead of a pedicled flap, a free graft of tissue is recommended because it allows better placement of the graft deep into the cavity. It undergoes a more uniform contracture and does not tend to pull out of the depths of the cavity. The principle of obliteration is not only to obliterate the cavity but also to bring a layer of vascularized subcutaneous tissue between the skin lining and the bone.

Bone Diseases

Recent advances in microsurgery of the maxillary antrum.

A new and more detailed approach to the maxillary sinus is described. It has the advantage of avoiding the canine fossa and potential dental trauma. This procedure is performed intranasally and is accompanied by less morbidity than with the Caldwell-Luc operation. The opening into the sinus is small, thus minimizing bone removal. However, the interior of the antrum can be visualized sufficiently well to justify the procedure. A sinuscope and operating microscope compensate for the diminished exposure. In the majority of cases antral surgery is carried out for chronic sinus disease, and this procedure conforms to basic principles of adequate drainage and exteriorization of the sinus into the nasal cavity.

Humans