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Informed consent in orthodontics.

Informed consent is a process of communication between a health care provider and patient that educates the patient as to the patient's needs and the potential solutions for those needs, and leads to the endorsement of a health care treatment plan. A claim of lack of informed consent may be brought by a patient when there is a perceived failure in the disclosure of adequate information to make a reasoned decision whether to consent to treatment. This article provides the foundation of the informed consent doctrine, delineates the essential elements of a lack of informed consent claim, and identifies the parties and their roles in the informed consent process.

Humans↗

Patients' perceptions on informed consent and the quality of information disclosure in clinical trials.

In a survey on 26 clinical trials we studied how patients experience and evaluate the information disclosure on the clinical trial they are enrolled in and which factors influence patients' perceptions of information disclosure. Our objective was to obtain more insight thereby in how informed consent is applied in the daily practice of clinical trials. Interviews were held with 198 adult patients and 32 trial-clinicians. Instead of focusing on patient comprehension of the information disclosed we analyzed patient perceptions of informed consent. Patients proved to be quite satisfied with the oral and written information disclosure. Patients' perceptions of the manner and content of information disclosure are influenced by more general attitudes towards medical care, research and institutions. Patients' trust in medical experiments, belief in the integrity of physicians and interest in medical affairs have an impact on the way patients perceive information disclosure. To improve the quality of the informed consent procedure, we propose a patient motivation classification (PMC) to enable trial-clinicians to gain more insight into patient motivation. Relevant factors found in our data have been used as criteria for classification. An informed decision making checklist (IDC) is suggested for patients as a general outline for patient education, covering relevant socio-psychological factors of enrollment.

Attitude to Health↗

Informed consent.

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Informed Consent↗

The Deaconess Informed Consent Comprehension Test: an assessment tool for clinical research subjects.

We developed an instrument to assess comprehension of informed consent information among 275 adults entering one of four ambulatory trials. At the conclusion of trial enrollment, subjects rated their understanding of the information presented and completed the Deaconess Informed Consent Comprehension Test (DICCT). Subjects completed the vocabulary subtest of the revised Weschler Adult Intelligence Scale (WAIS-R) and the reading subtest of the revised Wide Range Achievement Test (WRAT-R). The DICCT for 50 subjects was scored by 2 blinded investigators. Interrater agreement was 0.84 (df = 49, p < 0.001). To investigate the DICCT's potential validity, its scores were correlated with WAIS-R vocabulary scores (r = 0.44, df = 199, p < 0.01) and WRAT-R reading scores (r = 0.39, df = 268, p < 0.01). Understanding of consent information was rated as thorough by 70% of subjects. The mean +/- SD DICCT score was 20.4 +/- 3.9. The DICCT is a reliable instrument to assess comprehension of informed consent information. There is preliminary evidence for the scale's validity. The subjects believed that they had greater understanding of study information than was shown by the DICCT.

Adolescent↗