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Unilateral sensorineural hearing loss after spine surgery: Case report and review of the literature.
Surg Neurol 2006; 66(4):415-8; discussion 418-9SN

Abstract

BACKGROUND

Sudden sensorineural hearing loss is infrequent, with an estimated incidence of 5 to 20 cases yearly per 100,000 people. Although multiple etiologies have been identified, infection and idiopathic SNHL are most common. Sudden sensorineural hearing loss after nonotologic noncardiac surgery is highly unusual, particularly after spinal surgery.

CASE DESCRIPTION

We report a case of unilateral sudden SNHL after lumbar spinal fusion with review of the literature. Potential etiologies, treatment, and prognosis are summarized.

CONCLUSION

Multiple etiologies have been proposed for SNHL after nonotologic noncardiac surgery. Excessive positive upper airway pressure during induction of anesthesia or Valsalva maneuvers can result in SNHL from LMR. Aberrant NO accumulation in the middle ear cavity during general anesthesia with subsequent LMR is also a potential etiology, as is excessive leakage of CSF causing a form of endolymphatic hydrops. There is no definitive treatment of postoperative SNHL, although middle ear exploration may be beneficial for suspected overpressure injury to the middle ear, causing a perilymphatic fistula. Corticosteroids have been beneficial in certain cases of idiopathic SNHL; however, its effectiveness for postoperative SNHL is undocumented.

Authors+Show Affiliations

Department of Neurosurgery, University of Michigan Health System, Ann Arbor, MI 48109, USA. ppark@umich.eduNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Case Reports
Journal Article
Review

Language

eng

PubMed ID

17015127

Citation

Park, Paul, et al. "Unilateral Sensorineural Hearing Loss After Spine Surgery: Case Report and Review of the Literature." Surgical Neurology, vol. 66, no. 4, 2006, pp. 415-8; discussion 418-9.
Park P, Toung JS, Smythe P, et al. Unilateral sensorineural hearing loss after spine surgery: Case report and review of the literature. Surg Neurol. 2006;66(4):415-8; discussion 418-9.
Park, P., Toung, J. S., Smythe, P., Telian, S. A., & La Marca, F. (2006). Unilateral sensorineural hearing loss after spine surgery: Case report and review of the literature. Surgical Neurology, 66(4), pp. 415-8; discussion 418-9.
Park P, et al. Unilateral Sensorineural Hearing Loss After Spine Surgery: Case Report and Review of the Literature. Surg Neurol. 2006;66(4):415-8; discussion 418-9. PubMed PMID: 17015127.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Unilateral sensorineural hearing loss after spine surgery: Case report and review of the literature. AU - Park,Paul, AU - Toung,James S, AU - Smythe,Paul, AU - Telian,Steven A, AU - La Marca,Frank, PY - 2005/10/06/received PY - 2005/12/29/accepted PY - 2006/10/4/pubmed PY - 2006/12/9/medline PY - 2006/10/4/entrez SP - 415-8; discussion 418-9 JF - Surgical neurology JO - Surg Neurol VL - 66 IS - 4 N2 - BACKGROUND: Sudden sensorineural hearing loss is infrequent, with an estimated incidence of 5 to 20 cases yearly per 100,000 people. Although multiple etiologies have been identified, infection and idiopathic SNHL are most common. Sudden sensorineural hearing loss after nonotologic noncardiac surgery is highly unusual, particularly after spinal surgery. CASE DESCRIPTION: We report a case of unilateral sudden SNHL after lumbar spinal fusion with review of the literature. Potential etiologies, treatment, and prognosis are summarized. CONCLUSION: Multiple etiologies have been proposed for SNHL after nonotologic noncardiac surgery. Excessive positive upper airway pressure during induction of anesthesia or Valsalva maneuvers can result in SNHL from LMR. Aberrant NO accumulation in the middle ear cavity during general anesthesia with subsequent LMR is also a potential etiology, as is excessive leakage of CSF causing a form of endolymphatic hydrops. There is no definitive treatment of postoperative SNHL, although middle ear exploration may be beneficial for suspected overpressure injury to the middle ear, causing a perilymphatic fistula. Corticosteroids have been beneficial in certain cases of idiopathic SNHL; however, its effectiveness for postoperative SNHL is undocumented. SN - 0090-3019 UR - https://www.unboundmedicine.com/medline/citation/17015127/Unilateral_sensorineural_hearing_loss_after_spine_surgery:_Case_report_and_review_of_the_literature_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0090-3019(06)00099-1 DB - PRIME DP - Unbound Medicine ER -