Audiometric Outcomes Following Endoscopic Ossicular Chain Reconstruction

Yawn, Robert J.; Hunter, Jacob B.; O’Connell, Brendan P.; Wanna, George B.; Killeen, Daniel E.; Wick, Cameron C.; Isaacson, Brandon; Rivas, Alejandro

doi:10.1097/mao.0000000000001527

Cited by 42 publications

(32 citation statements)

References 23 publications

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“…However, in the long‐term perspective, there is apparently no significant advantage of the endoscopic over microscopic technique. Yawn et al reported similar audiometric outcomes in their study …”

Section: Discussionsupporting

confidence: 68%

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Endoscopic ossiculoplasty: Is there any edge over the microscopic technique?

et al. 2019

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Objectives/Hypothesis To compare endoscopic ossiculoplasty with conventional microscopic technique in terms of postoperative hearing outcomes and complications. Study Design Randomized controlled trial. Methods One hundred eighteen patients diagnosed with ossicular chain discontinuity were randomly assigned into two groups, one undergoing endoscopic ossiculoplasty and the other undergoing ossiculoplasty by the microscopic technique, with the operating surgeon being same for both groups. The two groups were compared in terms of operative time, postoperative air‐bone gap, mean air‐bone gap closure, and incidence of complications. Teflon prostheses (partial ossicular chain replacement prosthesis [PORP] and total ossicular chain replacement prosthesis [TORP]) were used for reconstruction in all cases. Results Endoscopic ossiculoplasty with PORP rendered a statistically significant mean postoperative air‐bone gap and air‐bone gap closure at 1 month when compared to that of microscopic PORP ossiculoplasty. However, there was no significant difference between the two techniques in terms of mean postoperative air‐bone gap and air‐bone gap closure at 3 and 6 months. In the TORP ossiculoplasty cases, there was no significant difference in mean postoperative air‐bone gap and air‐bone gap closure at 1, 3, and 6 months. In terms of operative time and incidence of complications, no statistical significance was found between the two groups. Conclusions Endoscopic ossiculoplasty appears to provide superior visualization and better early audiological outcome (in PORP ossiculoplasty cases) when compared to microscopic technique. However, long‐term audiological outcomes and incidence of complications remain comparable. Level of Evidence 1 Laryngoscope, 130:797–802, 2020

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Section: Discussionsupporting

confidence: 68%

“…Yawn et al reported similar audiometric outcomes in their study. 12 The complications encountered in our study were redevelopment of retraction pocket, displacement of the prosthesis, prosthesis extrusion, and graft failure. Similar incidences of complications were noted in both techniques, which was statistically insignificant.…”

Section: Discussionmentioning

confidence: 79%

Endoscopic ossiculoplasty: Is there any edge over the microscopic technique?

et al. 2019

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“…A previous study reported that the post-operative hearing outcomes were better in the endoscopic ossicular chain reconstruction group than in the microscopic ossicular chain reconstruction group; however, this result was attributed to the better pre-operative hearing levels of the endoscopic ossicular chain reconstruction cases. 1 In order to eliminate such confounding factors, we compared the pre-operative hearing characteristics of patients who underwent endoscopic and microscopic ossicular chain reconstruction, and did not find any differences between the groups (Table 2). Because post-operative hearing outcomes after ossicular chain reconstruction may be influenced by the type of the ossicular chain reconstruction material or technique, 21 as well as the status of the middle-ear mucosa and Middle Ear Risk Index category, 22 we attempted to exclude the potential effects of these factors on post-operative hearing results by ensuring that the endoscopic and microscopic groups were matched in terms of their peri-operative features (Table 1).…”

Section: Discussionmentioning

confidence: 99%

Ossicular chain reconstruction: endoscopic or microscopic?

Günerı

Çetin

2020

J. Laryngol. Otol.

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ObjectiveTo compare the results of endoscopic and microscopic ossicular chain reconstruction surgery.MethodsPatients undergoing ossicular chain reconstruction surgery via an endoscopic (n = 31) or microscopic (n = 34) technique were analysed for age, gender, Middle Ear Risk Index, ossicular chain defect, incision type, ossicular chain reconstruction surgery material, mean air conduction threshold, air–bone gap, air–bone gap gain, word recognition score, mean operation duration and mean post-operative follow up.ResultsPost-operative air conduction, air–bone gap and word recognition score improved significantly in both groups (within-subject p < 0.001 for air conduction and air–bone gap, and 0.026 for word recognition score); differences between groups were not significant (between-subject p = 0.192 for air conduction, 0.102 for air–bone gap, and 0.709 for word recognition score). Other parameters were similar between groups, except for incision type. However, endoscopic ossicular chain reconstruction surgery was associated with a significantly shorter operation duration (p < 0.001).ConclusionEndoscopic ossicular chain reconstruction surgery can achieve comparable surgical and audiological outcomes to those of microscopic ossicular chain reconstruction surgery in a shorter time.

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“…Fixation or erosion of the malleus, incus or stapes can be repaired using a tympanoplasty approach using either autologous material or prosthetic materials (PORP-partial ossicular replacement prosthesis, TORP-total ossicular replacement prosthesis). Cartilage is used to cover ossicular prosthetics, except for stapes implants, as these will typically extrude or become exposed through the tympanic membrane without coverage [11]. Explantation of middle ear prosthetics rarely if ever necessitates pathologic examination.…”

Section: Common Surgical Proceduresmentioning

confidence: 99%

Anatomy and Surgical Approach of the Ear and Temporal Bone

Isaacson

2018

Head and Neck Pathol

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The temporal bone is one of the more complex structures at the skull base that houses the hearing and vestibular organs, numerous nerves, and vessels. A host of inflammatory and neoplastic processes can occur within the temporal bone that often necessitate permanent and frozen section pathologic examination. A number of simple to complex surgical procedures are used to manage temporal bone pathology. This chapter will provide a brief overview of normal temporal bone anatomy, common surgical approaches, normal histology, and indications for pathologic examination.

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Audiometric Outcomes Following Endoscopic Ossicular Chain Reconstruction

Cited by 42 publications

References 23 publications

Endoscopic ossiculoplasty: Is there any edge over the microscopic technique?

Endoscopic ossiculoplasty: Is there any edge over the microscopic technique?

Ossicular chain reconstruction: endoscopic or microscopic?

Anatomy and Surgical Approach of the Ear and Temporal Bone

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