Journal
INTERNATIONAL JOURNAL OF PEDIATRIC OTORHINOLARYNGOLOGY
Volume 160, Issue -, Pages -Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.ijporl.2022.111245
Keywords
Endoscopy; Tympanoplasty; Myringoplasty; Tympanic membrane perforation
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In this study, 116 consecutive cases of ETT were evaluated, with SIS graft showing a shorter surgical duration compared to TP, although both had comparable graft intake rates. Significant improvements were seen in pre- and postoperative air-bone gap, with no significant difference in closure rates and absence of intra- or postoperative complications.
Objectives: Endoscopic trans-canal tympanoplasty type I (ETT) is gradually diffusing worldwide. It mainly allows less invasive surgery in children with respect to a microscope approach by avoiding post-auricular access. The aim of this study is to illustrate our experience in endoscopic reconstruction of tympanic membrane, using autologous tragus perichondrium (TP) and non-autologous acellular porcine small intestinal sub-mucosa (SIS) as grafts. Methods: Between January 2011 and December 2020, the results of a prospective non-randomized series of consecutive ETT were analyzed. The primary outcome was closure rate at 6 months and secondary outcomes are closure rates associated with age, size of perforation, type of perforation and middle ear status, presence of myringosclerosis, type of graft, status of contralateral ear, adenoidectomy and pre-postoperative ABG change. Statistical analysis was performed using the SPSS statistical package. Results: One hundred and sixteen consecutive procedures, mean age 9.4 years (range 4-17 years), were evalu-ated. TP and SIS grafts were used in 65 (56%) and 51 (44%) procedures, respectively. Mean duration of surgical procedure was 53 +/- 21 min for SIS and 77 +/- 18 min for TP (P = 0.001) Total graft intake was 82.8%; TP and SIS intake were 86.2% and 78.4% (P = 0.3), respectively. Graft intake w.r.t. in age stratified age groups was not statistically significant. Average preoperative and postoperative air-bone gap was 12.1 +/- 7.6 dB and 5.5 +/- 3.8 dB, respectively (P = 0.001). The difference in closure rates was not significant. Neither intra-nor postoperative complications were observed. Conclusions: In children, ETT is an applicable and less invasive technique compared to the microscope and offers less morbidity. The use of SIS contributes additional less invasiveness to endoscopic surgery by avoiding tragus harvesting with a comparable success rate and granting significantly less surgical duration.
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