Informed Consent for Radiation in Interventional Radiology Procedures

Author:

Zener Rebecca1,Johnson Peter2,Wiseman Daniele1,Pandey Sachin2,Mujoomdar Amol1

Affiliation:

1. Victoria Hospital, London Health Sciences Centre, Department of Medical Imaging, Western University, London, Ontario, Canada

2. University Hospital, London Health Sciences Centre, Department of Medical Imaging, Western University, London, Ontario, Canada

Abstract

Purpose To explore the patient perception on radiation-related cancer risk from interventional radiology (IR) procedures and whether informed radiation consent is warranted. Methods A multiple-choice survey was prospectively administered to 68 adults undergoing a body or neuro-IR procedure with ionizing radiation exposure. Subgroup analysis with chi-square or Fisher exact test was performed based on patient past IR history ( P < .05). Results A total of 81% of patients wanted to be informed if there was a radiation-related 3% increased cancer risk over 5 years. Although 55% considered 3% a small risk, 28% wanted to further discuss the risks and alternate options, and 15% would have only proceeded if it were a life-saving procedure: 89%, 80%, and 67% of patients wanted to be informed with exposure risks of 1 in 100, 1 in 1000, and 1 in 10,000, respectively. Only 53% were aware they were going to be exposed to radiation, irrespective of past IR history ( P = .15). Most patients believed radiation consent should include radiation-related cancer risks (85%). No past IR history was significantly associated with wanting consent to include cancer-related risk (100% vs 76%; P = .01) and deterministic risks (70% vs 41%; P = .04). A majority (69%) believed both the referring physician and the interventional radiologist were responsible for obtaining radiation consent, and 65% of patients wanted verbal consent followed by signed written consent, regardless of past IR history. Conclusions Many patients want to discuss cancer-related radiation risks with both radiologists and physicians. Informed radiation consent should be considered for procedures with high anticipated radiation doses.

Publisher

SAGE Publications

Subject

Radiology, Nuclear Medicine and imaging,General Medicine

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