Abstract
Underlay technique myringoplasty is most commonly used technique to repair tympanic membrane perforation by temporalis fascia graft and Trans-tympanic pop-in technique is an another technique that allows temporalis fascia graft placement medial to tympanic membrane remnant through the perforation without the need for tympano-meatal flap elevation. This study was undertaken to find the prevalence of perforated graft in underlay and Pop-in Technique Myringoplasty. This descriptive cross-sectional study was done at Manipal teaching hospital, Pokhara, Nepal and comprises of 86 patients between January 2014 and June 2015. Patients undergoing Underlay Trans-canal approach by tympano-meatal flap elevation and Trans-canal, Trans-tympanic pop-in technique were included. Sample size calculation was done and convenient sampling method was applied. Point estimate at 95% CI was done for binary data along with frequency and proportion. The descriptive statistical analysis was done. The prevalence of perforated graft was 15 (17.4%) at 95% Confidence Interval (39.75-60.25%). In underlay technique there were 8 (18.60 %) perforation and 35 (81.39%) were intact while in pop-in technique there were 7 (16.27%) perforation and 36 (83.72%) were intact. The postoperative mean Pure Tone Average (PTA) of underlay was 9.53 and pop-in was 8.31. The mean Pure Tone Average (PTA) gain after underlay technique was 16.095 and pop in technique was 16.87. Trans-tympanic pop-in myringoplasty gives similar hearing & graft uptake results when compared with tympano-meatal flap method of underlay myringoplasty done by trans-canal.
Highlights
Underlay technique myringoplasty is most commonly used technique to repair tympanic membrane perforation by temporalis fascia graft and Trans-tympanic pop-in technique is an another technique that allows temporalis fascia graft placement medial to tympanic membrane remnant through the perforation without the need for tympano-meatal flap elevation
This study showed that maximum patient were in age group of 15 -25yr and lowest in 36-45yr age group (Table 1)
Among the patient having Chronic Suppurative Otitis Media (CSOM), male were 45 (52.3 %) and female were 41 (47.7 %) and this study showed that patient presenting in our OPD male were more than female
Summary
Underlay technique myringoplasty is most commonly used technique to repair tympanic membrane perforation by temporalis fascia graft and Trans-tympanic pop-in technique is an another technique that allows temporalis fascia graft placement medial to tympanic membrane remnant through the perforation without the need for tympano-meatal flap elevation. Pandey et al Prevalence of Perforated Graft in Underlay and Pop-in Technique Myringoplasty size of perforation, chronicity, age, gender, techniques and experience of the operating surgeon.[4] data and standard deviation and mean were calculated in continuous data. The trans-tympanic pop-in technique is an alternate technique that allows temporalis fascia graft placement medial to tympanic membrane remnant through the perforation without the need for tympanomeatal flap elevation. It is easier to learn, takes lesser time and cost-effective
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