THE EFFECT OF RADIOCONTRAST AGENT ON NEUROSENSORY AUDITORY DISORDER OF PATIENTS UNDERGOING ANGIOGRAPHY OF CORONARY ARTERY DISEASE
Objective: This study was conducted to investigate the effect of contrast agent used in angiography on sensorineural hearing loss.
Methodology: This Quasi experimental study was conducted at Valiasr hospital, Birjand, Iran on 157 coronary artery disease patients hospitalized for angiography. The hearing level of the right and left ears was measured individually before and after the angiography. Then, to calculate the mean auditory threshold of the patients, the hearing level was averaged at three different frequencies of 500, 1000, and 2000 Hz. After data collection and introducing them into SPSS 22, descriptive statistics (frequency percentage distribution, mean and standard deviation) were used along with Mann-Whitney and Kruskal-Wallis tests at the significance level of 0.05.
Results: Out of the 157 patients studied, 79 (50.3%) were male. The mean age of the subjects was 57.62±10.17 years (29-85 years), which was 57.67±9.31 in women and 56.85±11 in men. The hearing level of the right ear before and after injection of the radiocontrast agent was 23.69±13.18 and 23.33±13.30 db, respectively, while in the left ear, the values were 25.14±15.01 and 25.02±15.16, respectively, where this difference was not significant (p>0.05).
Conclusion: There is no appreciable effect of radiocontrast agent on neurosensory auditory disorder of patients undergoing angiography of coronary artery disease
Keywords: Contrast agent, hearing loss, Angiography.
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