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A technique for closure of tympanic membrane perforation which preserves the normal anterior sulcus-tympanic membrane relationships is described. This underlay fixation technique provides a high graft take, good conization of the drum, prevention of lateralization of the reconstructed drum and elimination of tenting or blunting of the anterior sulcus. The reconstructed tympanic membrane presents a near normal appearance with good physiological and acoustic properties.
Tympanoplasty reconstruction of the eardrum approached normal anatomy and function with the use of connective tissue to replace the substantia media. Perichondrium taken from the concha is preferred because it lies flat and is easy to manipulate. Grafts placed on the outer surface of the remnant tend to lateralize with loss of drum conization. Grafts placed on the undersurface of the remnant do not have this disadvantage.
A technique of grafting tympanic membrane perforations which incorporates the sandwiching of a temporalis facial graft between the epithelial and connective tissue layers of the remaining drumhead is presented.
Temporal fascia placed medially to the tympanic remnants with the malleus handle exteriorized has been used successfully in over 1,200 tympanoplasties with adequate conization of the drumhead produced in most cases.
This paper presents the authors' experiences with one method of reconstruction of the tympanic membrane when it is totally absent or when there is a fixed, retracted, defective, or absent malleus. Ten patients undergoing surgery for chronic suppurative otitis media between April, 1971, and January, 1973, had homograft tympanic membranes and/or ossicles used to reconstruct the defect in the tympanic membrane or ossicular mechanism. The patients had certain clinical and surgical characteristics in common: 1. all had either an absent tympanic membrane or almost total perforation of it; 2. all were operated upon in the absence of acute infection or active drainage; cholesteatoma, if present, was totally removed; 3. all had patent eustachian tubes; 4. all had intact middle ear mucosa at the time of utilization of the homograft; 5. all patients were operated upon by the same surgeon; 6. all of the homografts were obtained within 24 hours and were used within one month after the death of the donor; 7. all of the homografts used had been preserved in 70 percent ethyl alcohol; 8. all of the homograft materials came from donors who were under 40 years of age at the time of death and who died of accidental causes. (None of the donors was known to have any pre-existing disease); 9. all homografts, after being placed in proper position in the recipient, were covered with ear canal skin; 10. all patients received homografts that were from the corresponding ear of the donor. (In other words, right ear homografts were used in the patient's right ear, etc.); 11. whenever the tympanic ring was greater than the size of the homograft, the patient's temporalis fascia was used in conjunction with the homograft tympanic membrane to bridge the defect; 12. all patients had the middle ear packed with gelfoam prior to inserting the homograft (compressed gelfoam was used also for the outer packing); 13. none of the patients had tissue-typing procedures carried out in an effort to match the donor and the recipient, nor was any attempt made to match the sex of the donor and the recipient; and 14. all patients received antibiotics postoperatively; however, none received immunosuppressive therapy postoperatively. In 3 of 10 patients receiving homografts, the malleus was normal, and only the tympanic membrane was reconstructed. In seven others there was a fixed, retracted, defective or absent malleus in addition to the tympanic membrane defect.(ABSTRACT TRUNCATED AT 400 WORDS)
Advances in neurotologic diagnosis and surgery has pointed to the need for a complete reassessment of the relationship and significance of the jugular bulb and sigmoid sinus is discussed and selected temporal bone sections presented to illustrate the varying locations of the jugualr bulb. Considerations in differential diagnosis are presented and examples of surgical procedures are discussed wherein the jugular bulb was encountered and the methods of management are detailed in these instances.
Otologists have attempted to close tympanic membrane perforations for 300 years. It has been in the past 25 years that closure with autograft materials has been consistently successful. Homografts have been successful for the past 10 years. One of the autograft materials, ear lobe fat, has been in use for the past 15 years. Over this period 65 patients have been reviewed. This report reviews the literature, explains the technique and summarizes the results as to hearing, graft mobility and graft survival.
The use of homograft materials in reconstructive, mastoid, and middle ear surgery is increasing. Not only are they useful and practical, but they also do the job well in both anatomical and functional restoration. Many encouraging reports have been written to support their use. Their advantages, in the opinion of the author, outweigh their cost since they can offer a more efficient, versatile, and better method of restoration of hearing in tympanoplasty surgery.
A retrospective study of 227 traumatic tympanic membrane perforations was made. These perforations were treated in a clinical practice of otolaryngology between January 1969 and July 1977. The following conclusions were supported by the data obtained: 1. Larger perforations are less likely to heal spontaneously. 2. Lightning and molten metal injuries are less likely to heal spontaneously. 3. Final healing and hearing results are good regardless of the mode of therapy employed. 4. Spontaneous healing gives better results than early surgical intervention. 5. Infection adversely affects healing in traumatic perforations. Based on information delineated in the paper, a logical plan of treatment for traumatic perforations is presented.
The microclip was invented by J. David Williams, M.D. in 1971 in an attempt to devise a technique to reliably secure a medially placed fascia graft to a tympanic membrane remnant. This method immediately improved the graft take rate to better than 90% in the Alaska native population with whom he was working. Included in this 90% and above category were many ears that demonstrated some degree of mucosal edema, granulation tissue, or mucopurulent discharge--referred to in this paper as the "wet ear." Anatomic and audiologic results of 286 consecutive otologic procedures requiring a tympanic membrane graft will be presented in which the Williams microclip has been employed to secure a medially placed graft. Attention well be devoted to both success and failure of the methods employed. Special attention will be given to the description of surgically challenging situations in tympanoplasty surgery such as "the narrow to non-existent remnent segment" where the microclip demonstrates its exceptional usefulness. Last, additional uses of the microclip (other than in tympanic membrane grafting) will be discussed including its application in a new technique of ossicular chain reconstruction. Case reports and statistical data will augment material presented.