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Exploring Physical Lumbar Microvascular Geometry Through Endoscopy and Illustrations: Implications for Clinical
Tsung-Mu Wu1, Dae-Jung Choi2, Wen-Shuo Chang1
1Department of Orthopedic Surgery, Chi-Mei Medical Center, Tainan, Taiwan.
Global Spine Journal
|November 28, 2023
Summary
This study maps lumbar spine vascular anatomy during endoscopic surgery. Understanding vessel locations helps surgeons anticipate and control bleeding, improving patient safety in minimally invasive procedures.
Area of Science:
- Neurosurgery
- Spinal Surgery
- Anatomy
Background:
- Minimally invasive endoscopic spinal surgery is increasingly used.
- Current understanding of lumbar spine vascular geometry relies on cadaver studies and lacks consistent nomenclature.
- Improved clarity of microvascular geometry is needed for effective surgical communication.
Purpose of the Study:
- To enhance understanding of lumbar spinal microvascular geometry during endoscopic surgery.
- To improve clarity and comprehensibility of vascular anatomy for surgeons.
- To identify common bleeding foci during endoscopic spinal procedures.
Main Methods:
- Retrospective analysis of 400 endoscopic spinal surgeries for lumbar stenosis.
- Surgeries performed via interlaminar or transforaminal approaches.
- Endoscopic video recordings analyzed to map microvasculature and bleeding sites.
Main Results:
- Transforaminal approach: bleeding from segmental lumbar artery branches and emissary veins.
- Interlaminar approach: bleeding from dorsal lamina muscle vessels.
- Intracanal region: epidural vessels above the disc are a common bleeding source during discectomy.
Conclusions:
- Provides a detailed map of lumbar spine microvascular anatomy during endoscopic surgery.
- Aids surgeons in anticipating and managing bleeding, reducing complications.
- Enhances surgical techniques and patient safety in endoscopic spinal procedures.
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