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The operative learning curve and its effect on facial nerve outcome in vestibular schwannoma surgery.
Am J Otol. 1996 Jul; 17(4):643-7.AJ

Abstract

The successful removal of vestibular schwannomas requires a team approach by skillful and appropriately trained surgeons. It is generally perceived that the results of surgery, especially facial nerve outcome, will improve as the surgical team acquires more experience. This study of 300 patients undergoing surgical removal of vestibular schwannomas confirms that there was a significant learning curve for facial nerve outcome. In the first 50 cases, 52% had satisfactory outcomes (House grades I-III), whereas in the last 50 cases 92% had satisfactory outcomes. The major improvement came between the first 50 cases and the second 50 cases (House grades I-III results at 12 months improved from 52% to 78%). After the second 50 patients there was a gradual, but continued improvement, which is also attributable to increased surgical experience. Most of this learning curve was related to the translabyrinthine approach. House grades I-III results were attained for 45% of the first 40 and 70% of the second 40 translabyrinthine tumor removals.

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Authors+Show Affiliations

Moffat DA
Department of Otoneurological and Skull Base Surgery, Addenbrooke's Hospital, Cambridge, United Kingdom.
Hardy DG
No affiliation info available
Grey PL
No affiliation info available
Baguley DM
No affiliation info available

MeSH

Ear NeoplasmsFacial NerveHumansMiddle AgedNeurilemmomaSeverity of Illness IndexVestibule, Labyrinth

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

8841715

Citation

Moffat, D A., et al. "The Operative Learning Curve and Its Effect On Facial Nerve Outcome in Vestibular Schwannoma Surgery." The American Journal of Otology, vol. 17, no. 4, 1996, pp. 643-7.
Moffat DA, Hardy DG, Grey PL, et al. The operative learning curve and its effect on facial nerve outcome in vestibular schwannoma surgery. Am J Otol. 1996;17(4):643-7.
Moffat, D. A., Hardy, D. G., Grey, P. L., & Baguley, D. M. (1996). The operative learning curve and its effect on facial nerve outcome in vestibular schwannoma surgery. The American Journal of Otology, 17(4), 643-7.
Moffat DA, et al. The Operative Learning Curve and Its Effect On Facial Nerve Outcome in Vestibular Schwannoma Surgery. Am J Otol. 1996;17(4):643-7. PubMed PMID: 8841715.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The operative learning curve and its effect on facial nerve outcome in vestibular schwannoma surgery. AU - Moffat,D A, AU - Hardy,D G, AU - Grey,P L, AU - Baguley,D M, PY - 1996/7/1/pubmed PY - 1996/7/1/medline PY - 1996/7/1/entrez SP - 643 EP - 7 JF - The American journal of otology JO - Am J Otol VL - 17 IS - 4 N2 - The successful removal of vestibular schwannomas requires a team approach by skillful and appropriately trained surgeons. It is generally perceived that the results of surgery, especially facial nerve outcome, will improve as the surgical team acquires more experience. This study of 300 patients undergoing surgical removal of vestibular schwannomas confirms that there was a significant learning curve for facial nerve outcome. In the first 50 cases, 52% had satisfactory outcomes (House grades I-III), whereas in the last 50 cases 92% had satisfactory outcomes. The major improvement came between the first 50 cases and the second 50 cases (House grades I-III results at 12 months improved from 52% to 78%). After the second 50 patients there was a gradual, but continued improvement, which is also attributable to increased surgical experience. Most of this learning curve was related to the translabyrinthine approach. House grades I-III results were attained for 45% of the first 40 and 70% of the second 40 translabyrinthine tumor removals. SN - 0192-9763 UR - https://www.unboundmedicine.com/medline/citation/8841715/The_operative_learning_curve_and_its_effect_on_facial_nerve_outcome_in_vestibular_schwannoma_surgery_ L2 - http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=8841715.ui DB - PRIME DP - Unbound Medicine ER -