Influence of the target vessel on the location and area of maximum skin dose during percutaneous coronary intervention

K. Chida, K. Fuda, Y. Kagaya, H. Saito, Y. Takai, M. Kohzuki, S. Takahashi, S. Yamada, M. Zuguchi

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Background: A number of cases involving radiation-associated patient skin injury attributable to percutaneous coronary intervention (PCI) have been reported. Knowledge of the location and area of the patient's maximum skin dose (MSD) in PCI is necessary to reduce the risk of skin injury. Purpose: To determine the location and area of the MSD in PCI, and separately analyze the effects of different target vessels. Material and Methods: 197 consecutive PCI procedures were studied, and the location and area of the MSD were calculated by a skin-dose mapping software program: Caregraph. The target vessels of the PCI procedures were divided into four groups based on the American Heart Association (AHA) classification. Results: The sites of the MSD for AHA #1-3, AHA #4, and AHA #11-15 were located mainly on the right back skin, the lower right or center back skin, and the upper back skin areas, respectively, whereas the MSD sites for the AHA #5-10 PCI were widely spread. The MSD area for the AHA #4 PCI was larger than that for the AHA #11-15 PCI (P0.0001). Conclusion: Although the radiation associated with PCI can be widely spread and variable, we observed a tendency regarding the location and area of the MSD when we separately analyzed the data for different target vessels. We recommend the use of a smaller radiation field size and the elimination of overlapping fields during PCI.

Original languageEnglish
Pages (from-to)846-850
Number of pages5
JournalActa Radiologica
Volume48
Issue number8
DOIs
Publication statusPublished - 2007

Keywords

  • Angioplasty
  • Cardiac
  • Catheterization
  • Coronary disease
  • Interventional
  • Radiation dose
  • Radiation safety

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging

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