Turk Kardiyol Dern Ars. 2020; 48(8): 760-765 | DOI: 10.5543/tkda.2020.45383
Is it possible to reduce radiation exposure during transcatheter atrial septal defect closure in children?
İbrahim Cansaran Tanıdır1
, Selman Gökalp1
, Erkut Özturk1
, Erman Çilsal1
, Mehmet Akın Topkarcı2
, Alper Guzeltaş11
Department of Pediatric Cardiology, İstanbul University of Health Sciences İstanbul Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital, İstanbul, Turkey2
Department of Anesthesiology and Reanimation, İstanbul University of Health Sciences İstanbul Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital, İstanbul, Turkey
OBJECTIVE Cardiac catheterization continues to be a major source of radiation exposure for patients with congenital heart disease. As children are more prone to both deterministic and stochastic effects of radiation, every effort should be made to reduce radiation exposure. One way to reduce the radiation dose is to lower the pulse fluoroscopy rate. This study is an examination of the magnitude of radiation exposure with a 3.75 frames per second (fps) pulse fluoroscopy rate and a comparison with the previous 15 fps protocol used for transcatheter atrial septal defect (ASD) closure.
METHODS The radiation dose delivered during ASD device closure procedures performed between 2014 and 2016 (Group 1: 3.75 fps fluoroscopy rate) was compared with that recorded in procedures performed between 2011 and 2014 (Group 2: 15 fps fluoroscopy rate). The radiation dose was quantified as air kerma dose (milligray, mGy) and dose area product (DAP; mGy/m2).
RESULTS There were 80 patients in each group. Baseline demographic characteristics and the body weight and height measurements were similar between groups. The mean fluoroscopy time was significantly longer in Group 2. Since the fluoroscopy time was significantly different between groups, the DAP and air kerma dose were indexed according to fluoroscopy time. In Group 1, the DAP and air kerma indexed to body weight values were statistically lower than those of Group 2 (p<0.001).
CONCLUSION A significant reduction in the radiation dose was observed with the implementation of 3.75 fps pulse fluoroscopy, which is the lowest in use. Novel radiation dose reduction protocols can be easily applied without compromising safety or the effectiveness of transcatheter ASD closure and should be utilized for the safety of patients and healthcare staff.
Atrial septal defect closure, catheterization; fluoroscopy rate; radiation exposure.
How to cite this article
İbrahim Cansaran Tanıdır, Selman Gökalp, Erkut Özturk, Erman Çilsal, Mehmet Akın Topkarcı, Alper Guzeltaş. Is it possible to reduce radiation exposure during transcatheter atrial septal defect closure in children?. Turk Kardiyol Dern Ars. 2020; 48(8): 760-765
Corresponding Author: İbrahim Cansaran Tanıdır, Türkiye