Assessment of Acute Episodes in Chronic Stable Angina: A Clinical-Laboratory Approach to the Use of the Coronary Vasodilator Propatyl NitrateReportar como inadecuado




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Background-Objectives: Propatyl nitrate is a coronary vasodilator with immediate and prolonged action, indicated in the treatment and prevention of acute angina pectoris episodes. Methods: This was an open, self-paired comparative study performed at UNIFESO Medical School evaluating the clinical and laboratory results of treatment with propatyl nitrate in patients with chronic stable angina pectoris. Subjects received 10 mg of propatyl nitrate, at the dose of three sublingual tablets per day, to be taken at 8:00 A.M., 2:00 P.M., and 8:00 P.M. Subjects returned to the study center after 15 days of treatment for Visit 2 assessments, and at the end of the 30-day treatment period Visit 3. Results: A total of 200 subjects were included in the study. There was a statistically significant reduction in blood pressure p < 0.0001 and heart rate p = 0.0001, but no change in respiratory rate p = 0.23. Laboratory results did not vary throughout the treatment period. There was no significant change from pretreatment in the SAQ Physical Limitation scale p = 0.7415. The Angina Stability, Angina Frequency, and Treatment Satisfaction, and Quality of Life scales showed a significant improvement from pretreatment p < 0.0001. Adverse events were observed among 41 subjects at Visit 2 and 35 subjects at Visit 3. Conclusions: Propatyl nitrate was safe and effective in treating chronic stable angina pectoris over the course of the 30-day treatment period. Treatment with propatyl nitrate increased angina stability and reduced angina frequency while increasing treatment satisfaction and quality of life in the patient population evaluated.

KEYWORDS

Propatyl Nitrate, Stable Chronic Angina Pectoris, Seattle Angina Questionnaire

Cite this paper

Goldwasser, G. , Kaufman, R. , Nunes, C. , Hid, A. , Goldberg, S. , Santos, A. , Oliveira, L. , de Souza da Fonseca, A. and Geller, M. 2016 Assessment of Acute Episodes in Chronic Stable Angina: A Clinical-Laboratory Approach to the Use of the Coronary Vasodilator Propatyl Nitrate. World Journal of Cardiovascular Diseases, 6, 246-252. doi: 10.4236-wjcd.2016.67027.





Autor: Gerson Goldwasser1, Renato Kaufman2, Carlos Pereira Nunes3, Alexandre Hid3, Stephanie Wrobel Goldberg4, Alessandra Santos3, Lisa

Fuente: http://www.scirp.org/



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