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Extradural cartilage inlay graft in cerebrospinal fluid fistula repair

Published online by Cambridge University Press:  08 June 2010

P Thulasi Das  and
D Balasubramanian
P Thulasi Das*
Affiliation:
Sinus and Nose Hospital, Chennai, India
D Balasubramanian
Affiliation:
Sinus and Nose Hospital, Chennai, India
*
Address for correspondence: Dr P Thulasi Das, Sinus and Nose Hospital, 35A Santhome High Road, Santhome, Chennai 600004, India. Fax: + 91 44 24983828 E-mail: [email protected]
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Abstract

Objective:

To present our experience in managing cerebrospinal fluid rhinorrhoea using the cartilage inlay (underlay) technique to repair skull base defects larger than 4 mm.

Study design:

Retrospective study involving patients presenting with cerebrospinal fluid rhinorrhoea between 1994 and 2008.

Setting:

Patients were treated in a tertiary referral centre for nose and sinus diseases. Patients' medical records were reviewed and analysed.

Results:

A total of 62 patients were operated upon using a cartilage inlay technique to repair bony skull base defects ranging in size from 4 to 20 mm (widest diameter). Of these 62 patients, 16 constituted revisions of earlier procedures undertaken elsewhere. The success rate of the technique was 100 per cent. Patient follow up ranged from six months to 16 years, with a median follow up of 15 months. Three patients had minor post-operative sinus infections; no serious complications were encountered.

Conclusion:

Extradural cartilage inlay appears to be an effective technique in the management of cerebrospinal fluid rhinorrhoea, especially for large defects and revision procedures. To our knowledge, the described patients represent the largest reported series of cerebrospinal fluid rhinorrhoea cases managed using the cartilage inlay technique. We believe that the crucial factors in our high success rate for cerebrospinal fluid fistula repair are: precise identification of the bony defect; meticulous preparation of the graft bed; careful elevation of the dura; judicious use of just enough graft tissue; and adequate graft support.

Keywords

Paranasal SinusesCerebrospinal FluidEndoscopyCartilage
Type
Short Communications
Information
The Journal of Laryngology & Otology , Volume 124 , Issue 12 , December 2010 , pp. 1294 - 1297
Copyright
Copyright © JLO (1984) Limited 2010

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