- 1Southern Methodist University.
Abstract
AIM:
The objectives of this paper are to discuss ethical issues of informed consent in cognitively impaired patients and review considerations for capacity determination. We will also discuss how to evaluate capacity, determine competence, and obtain informed consent when a patient is deemed incompetent. This review emphasizes how to carry out informed consent procedures when capacity is questionable and discusses measures supported for use when determining cognitively impaired patients' ability to consent.
METHODS:
Information was gathered from medical and psychological codes of ethics, peer-reviewed journals, published guidelines from healthcare organizations (e.g., American Medical Association), and scholarly books. Google Scholar and PsycINFO were searched for articles related to "informed consent" and "cognitive impairment" published in English between 1975 and 2014. Relevant sources referenced in retrieved publications were subsequently searched and reviewed.
RESULTS:
We selected 43 sources generated by our search. Sources were included in our review if they presented information related to at least one of our focus areas. These areas included: review of informed consent ethics and procedures, review of cognitive impairment evaluations, recommendations for measuring cognitive capacity, and alternative forms of informed consent.
CONCLUSIONS:
Patients' cognitive impairments can hinder the ability of patients to understand treatment options. Evaluating the capacity of patients with cognitive impairment to understand treatment options is vital for valid informed consent and should be guided by best practices. Thus, proper identification of patients with questionable capacity, capacity evaluation, and determination of competence, as well as reliance upon appropriate alternative consent procedures, are paramount.
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