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End-to-side anastomoses in small arteries with partial lateral clipping. An experimental study
1Department of Neurosurgery, Gülhane Military Medical Academy, Ankara, Turkey. kmakay45@hotmail.com
Insights
This study demonstrates that end-to-side anastomosis with partial lateral clipping can maintain blood flow during cranial artery procedures. This innovative technique shows experimental feasibility for cerebral revascularization, offering potential clinical benefits.
Area of Science:
- Neurosurgery
- Vascular Surgery
- Surgical Innovation
Background:
- Total therapeutic occlusion of cranial arteries is a significant challenge in neurosurgery, neurology, neuroradiology, and neuroanesthesia.
- Cerebral revascularization necessitates temporary occlusion of cranial arteries, posing risks to patients.
- Current cerebrovascular bypass procedures have theoretical limitations.
Purpose of the Study:
- To investigate the feasibility of end-to-side anastomosis with partial lateral clipping.
- To assess the ability to maintain blood flow in the target vessel during anastomosis.
- To compare this novel technique with existing cerebrovascular bypass methods.
Main Methods:
- End-to-side anastomoses were performed using partial lateral clipping in 20 cadaver arteries.
- The technique was tested on one rat common carotid artery.
- Results were theoretically compared with current cerebrovascular bypass procedures.
Main Results:
- All performed anastomoses remained open.
- The technique demonstrated experimental possibility for maintaining blood flow during anastomosis.
- Available aneurysm clips are suitable for larger vessels (> 2.5 mm).
Conclusions:
- End-to-side anastomosis with partial lateral clipping is experimentally feasible and allows for maintenance of blood flow.
- Specialized clips for this technique are not yet commercially available, though existing aneurysm clips may suffice for larger vessels.
- Further investigation into the clinical implications of this technique is warranted.
Abstract:
The problem of total therapeutic occlusion of the cranial arteries remains a relatively important area of concern for neurosurgery, neurology, neuroradiology and neuroanesthesia as well as for the patients. Cerebral revascularization procedures require total occlusion of the cranial arteries for a while. End-to-side anastomoses with partial lateral clipping were done in 20 cadaver arteries and then, in one rat common carotid artery. The results of the study were compared with the current cerebrovascular bypass procedures on a theoretical basis and possible clinical implications of the method were suggested. All the anastomoses were found to be open. As conclusions; 1) End-to-side anastomosis with partial lateral clipping and along with this technique the maintenance of blood flow in the target vessel during the anastomosis procedure are experimentally possible. 2) Although the available aneurysm clips may be used in the bigger vessels (> 2.5 mm), currently, the exclusive clips for the technique are not available commercially. 3) Further clinical implications of the technique may be investigated.
