Direct dose measurement on patient during percutaneous coronary intervention procedures using radiophotoluminescence glass dosimeters

Mamoru Kato, Koichi Chida, Takashi Moritake, Tadaya Sato, Hajime Oosaka, Hideto Toyoshima, Masayuki Zuguchi, Yoshihisa Abe

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

The purpose of this research was to measure accurate patient entrance skin dose and maximum skin absorbed dose (MSD) to prevent radiation skin injuries in percutaneous coronary interventions (PCIs). We directly measured the MSD on 50 PCIs by using multiple radiophotoluminescence glass dosimeters and a modified dosimetry gown. Also, we analysed the correlation between the MSD and indirect measurement parameters, such as fluoroscopic time (FT), dose-area product (DAP) and cumu lative air kerma (C-AK). There were very strong correlations between MSD and FT, DAP and C-AK, with the correlation between MSD and C-AK being the strongest (r = 0.938). In conclusion, the regression lines using MSD as an outcome value (y) and C-AK as predictor variables (x) were y = 1.12x (R2 = 0.880). From the linear regression equation, MSD is estimated to be ~1.12 times that of C-AK in real time.

Original languageEnglish
Article numberncw263
Pages (from-to)31-37
Number of pages7
JournalRadiation protection dosimetry
Volume175
Issue number1
DOIs
Publication statusPublished - 2017 Jun 1

ASJC Scopus subject areas

  • Radiation
  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Public Health, Environmental and Occupational Health

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