• Giuseppina Terranova, Marcello Ferro, Clara Carpeggiani, Virginia Recchia, Larissa Braga, Richard C Semelka, and Eugenio Picano.
• Azienda Sanitaria Locale ASL 5 Pisa-Risk Management Unit, Pisa, Italy.
• JACC Cardiovasc Imaging. 2012 Jun 1; 5 (6): 649-55.

AbstractGuidelines on informed consent for clinical practice exhort physicians to use standard plain language to enhance patient comprehension and facilitate shared decision making. The aim of this study was to assess and improve quality and readability of current informed consent forms used in cardiology. We evaluated the currently used informed consent forms, previously written in Italian and English, of 7 common imaging examinations, according to the recommendations of scientific societies. For each text, we also developed a revised informed consent form according to reference standards, including Federal Plain Language guidelines. Regarding readability scores, we analyzed each text (standard and revised) with Flesch-Kincaid (F-K) grade level (higher numbers indicating harder-to-read text) and the Italian language-tailored Gulpease level (from 0 [difficult] to 100 [easy]). Overall quality and readability was poor for both the original English and Italian versions, and readability was improved with the revised form, with higher readability evidenced by changes in both F-K grade level (standard 10.2 ± 2.37% vs. revised 6.5 ± 0.41%; p < 0.001) for English and Gulpease (standard 45.7 ± 2% vs. revised 84.09 ± 2.98%; p < 0.0001) for Italian. In conclusion, current informed consent forms are complex, incomplete, and unreadable for the average patient. Substantial quality improvement and higher readability scores can be achieved with revised forms that explicitly discuss risks and are prepared following standard recommendations of plain writing.Copyright © 2012 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.

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