Percutaneous peripheral laser angioplasty with a pulsed Nd:YAG laser and sapphire tips

Jan Kvasnicka; Frantisek Stanek; Frantisek Boudik M.D.; Vaclav Kubecek; Jiri Krivanek M.D.; Richard Keclik M.D.; Helena Prochazkova M.D.; Karel Hamal

doi:10.1117/12.17539

1 July 1990 Percutaneous peripheral laser angioplasty with a pulsed Nd:YAG laser and sapphire tips

Jan Kvasnicka, Frantisek Stanek, Frantisek Boudik M.D., Vaclav Kubecek, Jiri Krivanek M.D., Richard Keclik M.D., Helena Prochazkova M.D., Karel Hamal

Author Affiliations +

Proceedings Volume 1201, Optical Fibers in Medicine V; (1990) https://doi.org/10.1117/12.17539
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

Percutaneous transluminal laser angioplasty with a pulsed Nd:YAG laser (1,064 nm wavelength, 100 jig pulse duration, up to 0.4 J per pulse, 10 Hz repetition rate) coupled to optical fibers with sapphire tips of 1.8, 2.2 and 2.9 mm diameter was performed in 17 chronic occlusions of iliac, femoral, popliteal and fibular arteries in 15 patients. Clinically the procedure was successful in 14 cases. The probe formed a primary channel of at least 2.0 mm width which was further dilated by conventional balloon catheter. Ankle/brachial systolic pressure index (ABPI) increased from 0.46 0.13 to 0.84 0.21 after the procedure. Two failures were due to an extensive dissection which occurred after balloon angioplasty and resulted in an early reocclusion. In the remaining case a balloon catheter could not be introduced through the 30 cm long primary channel which reoccluded shortly after the recanalization. The initial patency rate was 82 % and in 5 patients followed for more then 6 months the ABPI showed only a minor decrease. These first results are encouraging and it is likely that this method could become an important alternative to conventional balloon angioplasty.

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Jan Kvasnicka, Frantisek Stanek, Frantisek Boudik M.D., Vaclav Kubecek, Jiri Krivanek M.D., Richard Keclik M.D., Helena Prochazkova M.D., and Karel Hamal "Percutaneous peripheral laser angioplasty with a pulsed Nd:YAG laser and sapphire tips", Proc. SPIE 1201, Optical Fibers in Medicine V, (1 July 1990); https://doi.org/10.1117/12.17539

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