Stapes surgery in Japanese patients with osteogenesis imperfecta.

Full Abstract

Osteogenesis imperfecta (OI) is a heterogenous connective tissue disorder. The classical triad of symptoms involves a conductive and/or sensorineural hearing impairment together with a tendency to spontaneous bone fractures and blue sclerae. Between 1993-2004, primary stapes surgery was performed on 14 ears of 11 OI patients who presented with conductive and/or mixed hearing loss. Pathological findings included atrophy and/or fractures of the stapedial crura in combination with thickening and fixation of the stapes footplate and hypervascularity of the promontory mucosa. All the patients with stapes surgery had significant hearing gain and bone conduction thresholds did not differ significantly in any of the cases; the mean postoperative air-bone gap at the main speech frequency range was within 10 dB in 13/14 (93%) and within 20 dB in 14/14 (100%). Hearing results following stapes surgery in patients with otosclerosis during the same time interval (n = 132) did not differ significantly. These data indicate that stapes surgery in OI can be performed safely with comparable functional predictability as in otosclerosis.

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Author information

Author/s: Doi, Katsumi (K); Nishimura, Hiroshi (H); Ohta, Yumi (Y); Kubo, Takeshi (T);

Affiliation: Department of Otolaryngology and Sensory Organ Surgery, Osaka University Graduate School of Medicine, Osaka, Japan. kdoi(-atsign-)ent.med.osaka-u.ac.jp

Journal and publication information

Publication Type: Comparative Study; Journal Article

Journal: Advances in oto-rhino-laryngology (Adv Otorhinolaryngol), published in Switzerland. (Language: eng)

Reference: 2007-; vol 65 (issue ) : pp 226-30

Dates: Created 2007/01/24; Completed 2007/04/16;

PMID: 17245052, status: MEDLINE (last retrieval date: 12/26/2008)

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adolescent
Adult
Audiometry, Pure-Tone
Auditory Threshold
Bone Conduction
Female
Hearing Loss, Conductive - surgery
Hearing Loss, Mixed Conductive-Sensorineural - surgery
Humans
Japan

Japan
Male
Middle Aged
Ossicular Prosthesis
Osteogenesis Imperfecta - surgery
Otosclerosis - surgery
Postoperative Complications - etiology
Reoperation
Speech Reception Threshold Test
Stapes Surgery - methods

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