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Paper Information

Title: 

EFFECTS OF EXTRACORPOREAL SHOCK WAVE LITHOTRIPSY ON ELECTROCARDIOGRAM CHANGES IN HUMAN SUBJECTS WITH RENAL STONE

Type: POSTER
Author(s): ERAMI E.*,FAGHIH S.,FEYZZADEH B.,ESMAEILI HABIB ELAH
 
 *NURSING & MIDWIFERY COLLEGE, MASHHAD UNIVERSITY OF MEDICAL SCIENCES, MASHHAD, IRAN
 
Name of Seminar: IRANIAN CONGRESS OF PHYSIOLOGY AND PHARMACOLOGY
Type of Seminar:  CONGRESS
Sponsor:  PHYSIOLOGY AND PHARMACOLOGY SOCIETY, MASHHAD UNIVERSITY OF MEDICAL SCIENCE
Date:  2009Volume 19
 
 
Abstract: 

Extracorporeal shock wave lithotripsy (ESWL) as a non invasive technique, has revolutionized the management of renal stones, and is initial treatment of choice for most calculi in the kidney. Although ESWL is safe in most cases, but this process has many side effects which one of them is cardiac arrhythmia. This complication is more in nonsynchronized mode. Using of nonsynchronized mode is common in Iran and regarding the importance of patient treatment with lowest complication, the aim of this research was to determine the effects of extracorporeal shock wave lithotripsy on electrocardiogram changes in human subjects with renal stone. This clinical trial was carried out in Armaghan lithotripsy clinic of Mashhad in 2006 -2007. For this purpose, 75 patients with renal stone were selected by convenience and purposeful sampling. Then electrocardiograph was taking in three times; before, during and after lithotripsy. The relationship between ESWL related dysrhythmia and autonomic neural activity was also evaluated by heart rate spectral analysis. Interpreted electrocardiographic changes were noted. At the end, data was analyzed by SPSS software ver. 14 and SAS software ver 9.1. The mean age of studied patients was 40.9 years old, at the rate of 30.7 percent female and the rest male. ESWL was found to elicit new or worsened electrocardiogram changes in % 66.7 of patients with no previous cardiac disease. No correlation was demonstrated between arrhythmia and age, gender, stone size and location, number and power of shock wave, basal body mass index (BMI), treatment side, analgesic drugs, treatment duration, before and during anxiety and addiction. A statistically significant correlation was demonstrated between the presence of ventricular premature contractions and analgesic drugs (p<0.001) also between the presence of ventricular tachycardia and treatment duration (p<0.001). In conclusion, shock waves delivered by lithotripsy may elicit cardiac arrhythmias and the patient that undergoing ESWL should be having cardiac system assessment. Continuous cardiac monitoring is advisable during treatment to permit early detection of cardiac disturbances

 
Keyword(s): EXTRACORPOREAL SHOCKWAVE LITHOTRIPSY, ARRHYTHMIA, KIDNEY CALCULI, URETHRAL CALCULI, HEART
 
 
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