Related Experiment Video
Updated: Nov 22, 2025
Microvascular Decompression: Salient Surgical Principles and Technical Nuances
Published on: July 5, 2011
How I do it: Management of venous bleeding from the superior petrosal vein during endoscopic microvascular
Fuminari Komatsu1, Partha Ghosh2, Robin Sengupta2
1Department of Neurosurgery, Institute of Neurosciences Kolkata, 185/1 A. J. C. Bose Road, Kolkata, West Bengal, 700017, India. fuminarikomatsu@gmail.com.
Background:
A repair strategy for venous bleeding from the superior petrosal vein (SPV) is essential during endoscopic microvascular decompression.
Method:
Sliced oxycellulose seats are rounded off, making balls around 10 mm in diameter. When venous bleeding arises from the SPV, the first oxycellulose ball is placed just behind the SPV in the surgical view. A second ball is then applied in front of the SPV. The SPV is thus immediately and entirely covered by oxycellulose, and hemostasis is safely achieved with the preservation of the SPV.
Conclusion:
This oxycellulose ball technique offers simple, reliable control of venous bleeding from the SPV.
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