Short and Long-Term Outcomes of Titanium Clip Ossiculoplasty

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Abstract

Objective:

To report short (∼4 mo) and long-term (>12 mo) audiometric outcomes following ossiculoplasty using a titanium clip partial ossicular reconstruction prosthesis.

Methods:

Case series at a single tertiary referral center reviewing 130 pediatric and adult patients with conductive hearing loss (CHL) secondary to chronic otitis media (n = 121, 93%) or traumatic ossicular disruption (n = 9, 7%) who underwent partial ossiculoplasty from January 2005 to December 2015 with the CliP prosthesis.

Results:

At both short and long-term follow-up, postoperative air-bone gap (ABG) was significantly improved (18 dB HL, IQ range 13–26, p < 0.0001 and 18 dB HL, IQ range 13–29, p = 0.0002, respectively) when compared with preoperative values (29 dB HL, IQ range 19–37). No significant change in ABG was noted when comparing short and long-term intervals (18 versus 18 dB HL, p = 0.44). Fifty seven percent of cases (51/89) achieved a long-term ABG less than or equal to 20 dB at the time of their last follow-up. The extrusion and displacement rates were 1.5% (2/130), and 0.8% (1/130), respectively. There were no cases of iatrogenic sensorineural hearing loss.

Conclusions:

Partial ossiculoplasty with the titanium CliP produces good hearing outcomes with a favorable safety profile. At long-term follow-up (minimum of 12 mo), median ABG was 18 dB and remained stable when compared with short-term follow-up. The majority of patients had successful long-term results, with 57% of patients achieving an ABG is less than or equal to 20 dB. Low rates of extrusion (1.5%) and prosthesis displacement off the stapes (0.8%) support the long-term stability of the CliP prosthesis in the middle ear.

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