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DOI: 10.1055/s-2001-15998
The Impact of an Armless Frameless Neuronavigation System on Routine Brain Tumour Surgery: A Prospective Analysis of 51 Cases
Publication History
Publication Date:
31 December 2001 (online)
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A passive infrared armless and frameless neuronavigation system was introduced in routine intracranial and skull base surgery, and its impact on 51 cases in a one year period was assessed. No cases were rejected by the operating surgeon for lack of accuracy (> 3 mm). Operating time was not significantly lengthened, except in transphenoidal cases (255 ± SD 168 min versus 185 ± SD 119 min, p = 0.02). Length of stay was shorter in navigation cases in supratentorial glioma (12 ± SD 7.3 days versus 15 ± SD 7.9 days) and meningioma (11 ± SD 5.3 days versus 16 ± SD 6.7 days, p = 0.01). Outcome at 3 months was comparable in both the supratentorial glioma and meningioma group. Problems such as setup time and brain shift are addressed and discussed.
Key words:
Navigation - Frameless - Stereotaxy - Brain Shift
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Corresponding Author
W S Poon
Division of Neurosurgery
Department of Surgery
Prince of Wales Hospital
The Chinese University of Hong Kong
Shatin
Hong Kong
Phone: Phone:+852-26322624
Fax: Fax:+852-26377974
Email: E-mail:wpoon@cuhk.edu.hk