Hearing Loss following Posterior Fossa Microvascular Decompression: A Systematic Review. 2018

Matthew Bartindale, and Matthew Kircher, and William Adams, and Neelam Balasubramanian, and Jeffrey Liles, and Jason Bell, and John Leonetti
1 Department of Otolaryngology-Head and Neck Surgery, Loyola University Medical Center, Maywood, Illinois, USA.

Objectives (1) Determine the prevalence of hearing loss following microvascular decompression (MVD) for trigeminal neuralgia (TN) and hemifacial spasm (HFS). (2) Demonstrate factors that affect postoperative hearing outcomes after MVD. Data Sources PubMed-NCBI, Scopus, CINAHL, and PsycINFO databases from 1981 to 2016. Review Methods Systematic review of prospective cohort studies and retrospective reviews in which any type of hearing loss was recorded after MVD for TN or HFS. Three researchers extracted data regarding operative indications, procedures performed, and diagnostic tests employed. Discrepancies were resolved by mutual consensus. Results Sixty-nine references with 18,233 operations met inclusion criteria. There were 7093 patients treated for TN and 11,140 for HFS. The overall reported prevalence of hearing loss after MVD for TN and HFS was 5.58% and 8.25%, respectively. However, many of these studies relied on subjective measures of reporting hearing loss. In 23 studies with consistent perioperative audiograms, prevalence of hearing loss was 13.47% for TN and 13.39% for HFS, with no significant difference between indications ( P = .95). Studies using intraoperative brainstem auditory evoked potential monitoring were more likely to report hearing loss for TN (relative risk [RR], 2.28; P < .001) but not with HFS (RR, 0.88; P = .056). Conclusion Conductive and sensorineural hearing loss are important complications following posterior fossa MVD. Many studies have reported on hearing loss using either subjective measures and/or inconsistent audiometric testing. Routine perioperative audiogram protocols improve the detection of hearing loss and may more accurately represent the true risk of hearing loss after MVD for TN and HFS.

UI MeSH Term Description Entries
D008833 Microcirculation The circulation of the BLOOD through the MICROVASCULAR NETWORK. Microvascular Blood Flow,Microvascular Circulation,Blood Flow, Microvascular,Circulation, Microvascular,Flow, Microvascular Blood,Microvascular Blood Flows,Microvascular Circulations
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012307 Risk Factors An aspect of personal behavior or lifestyle, environmental exposure, inborn or inherited characteristic, which, based on epidemiological evidence, is known to be associated with a health-related condition considered important to prevent. Health Correlates,Risk Factor Scores,Risk Scores,Social Risk Factors,Population at Risk,Populations at Risk,Correlates, Health,Factor, Risk,Factor, Social Risk,Factors, Social Risk,Risk Factor,Risk Factor Score,Risk Factor, Social,Risk Factors, Social,Risk Score,Score, Risk,Score, Risk Factor,Social Risk Factor
D014277 Trigeminal Neuralgia A syndrome characterized by recurrent episodes of excruciating pain lasting several seconds or longer in the sensory distribution of the TRIGEMINAL NERVE. Pain may be initiated by stimulation of trigger points on the face, lips, or gums or by movement of facial muscles or chewing. Associated conditions include MULTIPLE SCLEROSIS, vascular anomalies, ANEURYSMS, and neoplasms. (Adams et al., Principles of Neurology, 6th ed, p187) Tic Doloureux,Tic Douloureux,Epileptiform Neuralgia,Fothergill Disease,Secondary Trigeminal Neuralgia,Trifacial Neuralgia,Trigeminal Neuralgia, Idiopathic,Trigeminal Neuralgia, Secondary,Disease, Fothergill,Epileptiform Neuralgias,Idiopathic Trigeminal Neuralgia,Idiopathic Trigeminal Neuralgias,Neuralgia, Epileptiform,Neuralgia, Idiopathic Trigeminal,Neuralgia, Secondary Trigeminal,Neuralgia, Trifacial,Neuralgia, Trigeminal,Secondary Trigeminal Neuralgias,Trifacial Neuralgias,Trigeminal Neuralgias
D019299 Decompression, Surgical A surgical operation for the relief of pressure in a body compartment or on a body part. (From Dorland, 28th ed) Surgical Decompression,Decompressions, Surgical,Surgical Decompressions
D019569 Hemifacial Spasm Recurrent clonic contraction of facial muscles, restricted to one side. It may occur as a manifestation of compressive lesions involving the seventh cranial nerve (FACIAL NERVE DISEASES), during recovery from BELL PALSY, or in association with other disorders. (From Adams et al., Principles of Neurology, 6th ed, p1378) Facial Spasm, Unilateral,Hemifacial Myokymia,Spasm, Hemifacial,Facial Spasms, Unilateral,Hemifacial Spasms,Myokymia, Hemifacial,Spasm, Unilateral Facial,Spasms, Hemifacial,Spasms, Unilateral Facial,Unilateral Facial Spasm,Unilateral Facial Spasms
D034381 Hearing Loss A general term for the complete or partial loss of the ability to hear from one or both ears. Deafness, Transitory,Hearing Impairment,Hearing Loss, Transitory,Hypoacusis,Transitory Hearing Loss,Deafnesses, Transitory,Hypoacuses,Loss, Hearing,Loss, Transitory Hearing,Transitory Deafness,Transitory Deafnesses,Transitory Hearing Losses

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