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Endoscopic Cartilage Boomerang Ossiculoplasty- as Total Ossicular Replacement Using Endoscope Holder.

ABSTRACT: We report the technique of two handed transcanal endoscopic ossiculoplasty using tragal cartilage in the form of boomerang as an option for total ossicular replacement in absence of stapes superstructure. In this technique, the vertical strut is fashioned as a boomerang and measures 10 mm in length and 2 mm in breadth. A partial thickness cut is made on the vertical strut at 4-4.5 mm along the length so that it can be bent into boomerang, one end of which is placed on the stapes footplate and the other part rests in the hypotympanum. This stable assembly is placed on the footplate of the stapes (when all ossicles are absent). Tympanic membrane reconstruction is performed with or without attic reconstruction, using sliced tragal cartilage of 0.5 mm thickness. Boomerang ossiculoplasty is good option in cases of absent stapes providing a stable assembly. The use of endoscope holder during ear surgery gives additional advantages of panoramic view of middle ear spaces due to use of endoscope along with benefits of two handed technique (similar to microscopic ear surgery).

Supplementary information

The online version contains supplementary material available at 10.1007/s12070-021-02854-9.

SUBMITTER: Khan MM

PROVIDER: S-EPMC9895426 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature

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Endoscopic Cartilage Boomerang Ossiculoplasty- as Total Ossicular Replacement Using Endoscope Holder.

Khan Mubarak Muhamed MM Parab Sapna Ramkrishna SR

Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India 20210920 Suppl 3

We report the technique of two handed transcanal endoscopic ossiculoplasty using tragal cartilage in the form of boomerang as an option for total ossicular replacement in absence of stapes superstructure. In this technique, the vertical strut is fashioned as a boomerang and measures 10 mm in length and 2 mm in breadth. A partial thickness cut is made on the vertical strut at 4-4.5 mm along the length so that it can be bent into boomerang, one end of which is placed on the stapes footplate and th ...[more]

PMID: 36742661

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Project description:ObjectiveTo compare short-term and long-term outcomes after transcanal endoscope-assisted with microscope-assisted ossiculoplasty using the Fisch titanium total prosthesis (FTTP).Study designRetrospective chart review.SettingTertiary referral center.PatientsPediatric (<18 yr of age) and adult patients undergoing ossiculoplasty with the FTTP between January 2016 and December 2019.InterventionTranscanal endoscope-assisted (n = 30) or microscope-assisted (n = 76) ossiculoplasty with the FTTP. In the microscopic group, 48 were performed through the ear canal and 28 by retroauricular approach.Main outcome measureShort-term (3 mo) and long-term (average 20.2 mo) PTA 0.5-2kHz air and bone conduction thresholds were evaluated.ResultsIn total, 106 patients were included. Nine of 30 (30.0%) of endoscopic and 15 of 76 (19.7%) of microscopic patients were pediatric. Endoscopic preoperative air conduction PTA 0.5-2kHz was 52.1 ± 15.8 dB and 52.2 ± 17.9 dB for the microscopic group ( p > 0.05). Three months postoperative endoscopic air conduction PTA 0.5-2kHz was 37.6 ± 17.4 dB (14.5 dB improvement) and 44.6 ± 19.9 dB (7.6 dB improvement) in the microscopic group ( p > 0.05). Three months postoperative endoscopic PTA 0.5-2kHz ABG was 26.8 ± 16.6 dB and 28.4 ± 14.7 dB in the microscopic group ( p > 0.05). Latest follow-up endoscopic air conduction PTA 0.5-2kHz audiogram (mean follow-up, 20.6 ± 10.4 mo) was 36.1 ± 18.2 dB (16.0 dB improvement) and 40.1 ± 16.8 dB (12.1 dB improvement) in the microscopic group (mean follow-up, 19.9 ± 10.3 mo)( p > 0.05). For endoscopic air conduction PTA 0.5-2kHz , between the 3 months and latest follow-up audiogram, 25.0% showed improvement, 50.0% remained stable, and 25.0% deteriorated. In the microscopic group, 26.7% improved, 46.6% remained stable, and 26.7% deteriorated ( p > 0.05).ConclusionOur study shows that hearing results with the Fisch titanium total prosthesis are in line with literature. Endoscope-assisted total ossiculoplasty proves to be a suitable technique with comparable results to the microscopic approach.

Project description:UnlabelledThe well established techniques in tympanoplasty are routinely performed with operating microscopes for many decades now. Endoscopic ear surgeries provide minimally invasive approach to the middle ear and evolving new science in the field of otology. The disadvantage of endoscopic ear surgeries is that it is one-handed surgical technique as the non-dominant left hand of the surgeon is utilized for holding and manipulating the endoscope. This necessitated the need for development of the endoscope holder which would allow both hands of surgeon to be free for surgical manipulation and also allow alternate use of microscope during tympanoplasty. To report the preliminary utility of our designed and developed endoscope holder attachment gripping to microscope for two handed technique of endoscopic tympanoplasty. Prospective Non Randomized Clinical Study. Our endoscope holder attachment for microscope was designed and developed to aid in endoscopic ear surgery and to overcome the disadvantage of single handed endoscopic surgery. It was tested for endoscopic Tympanoplasty. The design of the endoscope holder attachment is described in detail along with its manipulation and manoeuvreing. A total of 78 endoholder assisted type 1 endoscopic cartilage tympanoplasties were operated to evaluate its feasibility for the two handed technique and to evaluate the results of endoscopic type 1 cartilage tympanoplasty. In early follow up period ranging from 6 to 20 months, the graft uptake was seen in 76 ears with one residual perforation and 1 recurrent perforations giving a success rate of 97.435 %. Our endocsope holder attachment for gripping microscope is a good option for two handed technique in endoscopic type 1 cartilage tympanoplasty. The study reports the successful application and use of our endoscope holder attachment for gripping microscope in two handed technique of endoscopic type 1 cartilage tympanoplasty and comparable results with microscopic techniques.Level of evidenceIV.

Dataset Information

Endoscopic Cartilage Boomerang Ossiculoplasty- as Total Ossicular Replacement Using Endoscope Holder.

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Publications

Endoscopic Cartilage Boomerang Ossiculoplasty- as Total Ossicular Replacement Using Endoscope Holder.

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