EFFECT OF AUDIOLOGICAL OUTCOMES BETWEEN TRAGAL CARTILAGE PERICHONDRIUM AND TEMPORALIS FASCIA GRAFT IN TYMPANOPLASTY TYPE-1 SURGERY
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Keywords
Tympanoplasty Grafts, Tragal Perichondrium, Temporalis Fascia, Hearing Outcome, Audiometry, Tympanometry
Abstract
Background: Among the leading causes of hearing loss in the world, Chronic Otitis Media (COM) is one of them. Tympanoplasty is the surgical treatment to repair the defective tympanic membrane in such patients.
Aim: To compare the audiological outcomes using temporalis fascia versus cartilage perichondrium grafts in tympanoplasty type-1.
Methods: A prospective randomized comparative cohort trial was conducted to compare the post-operative audiological outcomes of two graft materials, tragal cartilage perichondrium and temporalis fascia, in tympanoplasty type1 surgery among 60 patients randomized into 2 groups.
Results: Out of the 57 patients out of 60, who complied with the study follow-up, Tympanoplasty type-1 was performed in patients in Group A with Tragal cartilage perichondrium (n=27) and in Group B with Temporalis fascia (n=30). After 3 months, hearing levels were found to have significantly improved in all 57 patients. There was no statistically significant difference in improvement of hearing between the two groups in Pure Tone Audiometry as Group A, patients had a pre-operative mean air-bone gap value of 26.12 dBHL which had improved to 19.19 dBHL while in Group B, the pre-operative mean air-bone gap value was 25.48 dBHL and the post-operative value was 18.8dBHL. Post-operative mean impedance in tragal perichondrium graft Group A was 2.8 daPa was significantly higher than that of Group B with 1.96 daPa.
Conclusion: The results of this study shows that tragal cartilage perichondrium is significantly better than temporalis fascia in terms of audiological outcomes as a graft material in Type-1 tympanoplasty.
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Dr. Soudha Sadhiya
Assistant Professor, Department of ENT, Tagore Medical College, Chennai, Tamil Nadu, India.
Dr. Jayagar Prabakaran
Associate Professor, Department of ENT, Sri Lakshmi Narayana Institute of Medical Sciences, Pondicherry, India.