Laser angioplasty using a lensed-fiber delivery system and a pulsed Nd-YAG laser. Early clinical results

Christopher J. White, Stephen R. Ramee, Juan E. Mesa, Larry H. Hollier, Joseph P. Murgo, Michael Aita, Gene Samson, Maureen Godfrey

Resultado de la investigación: Conference contribution

Resumen

We performed a clinical trial to evaluate the safety and efficacy of a unique lensed-fiber delivery system with a pulsed Neodymium-yttrium aluminum garnet (Nd-YAG) laser in patients with atherosclerotic peripheral vascular disease. The lensed-fiber consists of a spherical silica lens, 1.5 mm in diameter, mounted at the distal tip of a 300 μm silica optical fiber. The Nd-YAG laser is pulsed at 10 Hz, and we delivered 0.5 J/pulse with a pulse duration of 100 msecs in 2- to 5-second bursts. Successful recanalization of stenoses or occlusions was obtained in 9 of 10 patients and was manifested by improvement in blood flow as measured angiographically and with ankle-brachial blood pressure index improvement (> 0.15). There were no arterial perforations or dissections associated with the laser angioplasty. All successfully recanalized patients required adjunctive balloon angioplasty to obtain a satisfactory reduction in luminal diameter stenosis of the treated artery. We conclude that this unique delivery system and the pulsed Nd-YAG laser are a safe and effective method of recanalizing arterial stenoses not amendable to conventional balloon angioplasty alone.

Idioma originalEnglish (US)
Título de la publicación alojadaProceedings of SPIE - The International Society for Optical Engineering
EditorialPubl by Int Soc for Optical Engineering
Páginas206-210
Número de páginas5
ISBN (versión impresa)0819402427, 9780819402424
DOI
EstadoPublished - 1990
Publicado de forma externa
EventoProceedings of Optical Fibers in Medicine V - Los Angeles, CA, USA
Duración: ene 14 1990ene 19 1990

Serie de la publicación

NombreProceedings of SPIE - The International Society for Optical Engineering
Volumen1201
ISSN (versión impresa)0277-786X

Other

OtherProceedings of Optical Fibers in Medicine V
CiudadLos Angeles, CA, USA
Período1/14/901/19/90

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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