eISSN: 2299-0054
ISSN: 1895-4588
Videosurgery and Other Miniinvasive Techniques
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2/2019
vol. 14
 
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Neurosurgery
abstract:
Original paper

Hadad-Bassagasteguy flap in skull base reconstruction – current reconstructive techniques and evaluation of criteria used for qualification for harvesting the flap

Piotr Wardas, Michał Tymowski, Agnieszka Piotrowska-Seweryn, Jarosław Markowski, Piotr Ładziński

Videosurgery Miniinv 2019; 14 (2): 340–347
Online publish date: 2018/11/15
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Introduction
Cerebrospinal fluid (CSF) leakage is a common consequence or complication in the operations of skull base tumors. The Hadad-Bassagasteguy flap (HBF) is the most common local flap used in the reconstruction of the meninges. It is a nasoseptal flap (NSF) vascularized by the sphenopalatine artery (SPA). Improvement of the already existing techniques is necessary.

Aim
To present our experience in HBF and to evaluate the criteria used for qualification (relative and absolute indications) for the NSF reconstructive technique.

Material and methods
The retrospective study included 25 patients who underwent expanded endonasal approach (EEA) operations with the NSF. The correctness of qualification based on our own criteria was assessed. The most important modifications of the original HBF as well as the reasons for failures are discussed.

Results
There were 12 relative and 13 absolute indications for NSF harvesting. In 2 cases no anticipated CSF leakage was observed. No complications were reported.

Conclusions
Skull base reconstruction with HBF and its various modifications is a highly effective technique. Absolute indications for NSF harvesting prior to resection are: reoperations in the case of a previous open approach, preoperative CSF leakage, intradural localization of a tumor related to its etiopathogenesis, suspicion of intradural diffusion of a neoplasm in magnetic resonance imaging if the etiopathogenesis cannot clarify the tumor’s relation to the meninges. Relative indications concern mostly pituitary macroadenomas of at least 2.5 cm in diameter.

keywords:

cerebrospinal fluid, endoscopy, skull base, vascularized nasoseptal flap

  
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