ArticlePakistan journal of medical sciences2026
The impact of CSF gusher on preservation of low frequency residual hearing following cochlear implantation.
Article in Pakistan journal of medical sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: To investigate and compare low-frequency residual hearing preservation following cochlear implantation in patients with or without an intraoperative cerebrospinal fluid (CSF) gusher. Methodology: This descriptive comparative cohort study was conducted at CDA Cochlear Implant Centre, Department of Otorhinolaryngology, Capital Hospital Islamabad, from 1 Results: The mean hearing thresholds (dB HL) for the Non-Gusher groups across all the four time points consistently exhibited lower thresholds. At the last follow-up, statistically significant (p=0.02) differences were observed between the groups with complete hearing preservation achieved in 33.3% of the CSF Gusher group compared to 44.8% in the Non-Gusher group, while significantly (p=0.05) more hearing loss in the CSF Gusher group. The mean change in threshold was significantly higher (p=0.05) in the Gusher Group. Conclusion: The presence of intraoperative CSF gusher is associated with a statistically significant decline in low-frequency residual hearing following cochlear implantation.
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