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Ronnie E. Swain, MD; Hugh F. Biller, MD; Joseph H. Ogura, MD; Joseph E. Harvey, PhD

Arch Otolaryngol. 1974;99(4):235-241.

Abstract
Speculation on the etiology of carotid artery rupture and the best method of protection still exists. A reliable experimental model was created by removing the vasa vasorum from a dog's carotid artery, leaving the vessel exposed in an open wound. This model was used to evaluate the relative importance of blood supply, infection, desiccation, and saliva as well as the protective effectiveness of the dermal graft and the muscle flap.

Histological preparations were used to study the vascularization of the dermal graft and muscle flap, the reepithelialization of the dermal graft and the sites of rupture. In this experiment, blood supply and infection were the two most important etiologic factors in carotid rupture, and the dermal graft and muscle flap were equally effective in preventing carotid artery rupture.

Author Affiliations
St. Louis

From the Department of Otolaryngology, Washington University School of Medicine, St. Louis. Dr. Swain is now with the Naval Hospital, Oakland, Calif. Dr. Biller is now with the Mount Sinai School of Medicine, New York.

Footnotes
Read before the first joint meeting of the Society of Head and Neck Surgeons and the American Society for Head and Neck Surgery, Hot Springs, Va, May 2, 1973. This study received honorable mention in the resident research competition of the American Academy of Ophthalmology and Otolaryngology, 1973.

Reprint requests to Otolaryngology and Maxillofacial Surgery Service, Naval Hospital, Oakland, CA 94627 (LCDR Swain).

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