evaluation of the coronary angiography results in patients referred to booali sina hospital, qazvin, iran

Background: coronary artery disease (cad) is one of the most common diseases of the present era, as it has the highest mortality rate in developed and developing countries. the correct choice of patients for angiography leads to a reduction in the cost of angiography and its possible consequences. the aim of this study was to evaluate the rate of normal coronary angiographies compared to all angiographies performed in booali sina hospital in qazvin, iran, in 2018-2019.methods: this descriptive-analytical cross-sectional study was performed by collecting and analyzing the results of coronary angiographies of all patients who underwent coronary angiography in booali sina hospital in qazvin from march 2018 to february 2019. the sampling method was census with a volume of 1564. after completing the checklist by extracting from patients' files, the data obtained from the study were analyzed using spss software.results: of 2566 performed angiography, 789 patients (30.7%) were normal or minimal in coronary artery and 1775 patients (69.3%) had significant cad [single-vessel disease (svd), two-vessel disease (2vd), and three-vessel disease (3vd)].conclusion: according to the results obtained in this center and comparison with other reputable centers, it seems that the selection of patients in this center has been done with good accuracy and the rate of normal coronary angiographies is within an acceptable range compared to all angiographies performed in this center.