Laser ablation on vascular diseases: mechanisms and influencing factors

Area of Science:

• Medical Photonics
• Vascular Surgery
• Interventional Cardiology

Background:

• Vascular diseases, including venous insufficiency and coronary artery disease, pose significant health risks.
• Traditional treatments like ligation and stripping for venous insufficiency and balloon angioplasty for coronary artery disease have limitations and risks.
• Advancements in laser technology present new therapeutic options for vascular conditions.

Purpose of the Study:

• To review and analyze existing research on laser ablation for vascular diseases.
• To explain the mechanisms and benefits of endovenous laser ablation and laser ablation in arteries.
• To highlight the advantages of laser ablation over conventional treatments.

Main Methods:

• Analysis of previously published research on vascular diseases and their treatments.
• Focus on laser photonics and percutaneous coronary intervention procedures.
• Examination of mechanisms and influencing factors for different laser ablation techniques.

Main Results:

• Endovenous laser ablation demonstrates high success rates, low complication risks, and rapid postoperative recovery.
• Laser ablation in arteries effectively addresses uncrossable or undilatable lesions with minimal serious complications.
• Key mechanisms for endovenous laser ablation include steam bubbles, heat conduction, and heat pipe.
• Key mechanisms for excimer laser coronary atherectomy involve photochemical, photothermal, and photomechanical effects.

Conclusions:

• Laser ablation is an emerging and advantageous alternative or adjunctive therapy for venous insufficiency and coronary artery diseases.
• Understanding the influencing factors (wavelength, fiber types, laser energy density, catheter, medium, laser parameters) is crucial for optimizing laser ablation efficacy.
• Laser ablation offers improved patient outcomes compared to traditional surgical and interventional approaches.