• Elfriede Bollschweiler, Jonas Apitzsch, Jonas Apitsch, Rainer Obliers, Armin Koerfer, Stefan P Mönig, Ralf Metzger, and Arnulf H Hölscher.
• Department of Visceral and Vascular Surgery, University of Cologne, Cologne, Germany. Elfriede.Bollschweiler@uk-koeln.de
• Ann. Surg. 2008 Aug 1;248(2):205-11.

ObjectiveThe term "informed consent" explains the process by which a patient, before treatment, is provided comprehensive and impartial information regarding a planned operative procedure so that he/she understands the implications of the procedure before consenting. The goal of the current study was to investigate whether standard methods of consenting can be improved using a multimedia-based information program (MM-IP).Patients And MethodsIn a prospective multicenter study, 80 patients undergoing laparoscopic cholecystectomy went through the standard informed consent process. One group of patients was also given access to a MM-IP. Questionnaires were completed before surgery. These evaluated how patients perceived their own understanding of important aspects of their illness (ie, disease, therapeutic alternatives, operation, risks) and satisfaction with the consenting process. Patients' anxiety levels were also assessed. These questionnaires were used to evaluate the effectiveness of the MM-IP for improving the consent process.ResultsSeventy-six patients (47 women, 29 men, median age 54 years) were included. There was no significant age or gender variation between the groups (standard n = 41 and MM-IP n = 35). Eighty-two percent of all respondents were satisfied with the standard informed consent process. However, perceived understanding of the material was significantly improved in the MM-IP group (P < 0.001). Patients with less formal education profited particularly from the MM-IP. Preoperative anxiety did not vary between the groups.ConclusionUse of the multimedia-based program was positively evaluated by patients, and significantly improved patients' perceived understanding of their disease and its treatment. It is, therefore, valuable in the informed consent process.

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