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[Effects of laser therapy in patients with functional class II-IV effort angina (using instrumental techniques of the study)].

Infrared laser therapy using an arsenide-gallium laser was used in 54 patients aged 30-75 years who suffered from coronary heart disease. A positive clinical effect was achieved in 47 (87%) of 54 patients, as evidenced by the reduced number of nitroglycerin tablets used and improved bicycle ergometric, echo- and electrocardiographic parameters in the patients.