What is Informed Consent? And Why It Is So Important
What is Informed Consent? And Why It Is So Important
Informed consent is a foundational ethical and legal principle in medicine, research, and many areas of public policy. It means that a person voluntarily agrees to a medical treatment, research study, or procedure only after receiving and understanding all relevant information needed to make a decision. Informed consent is the process by which a patient or research participant is given adequate information, comprehension, and freedom of choice before agreeing to a procedure or participation.
The concept is rooted in the ethical principle of respect for individual autonomy - the idea that people have the right to control what happens to their own bodies.
In healthcare and research, informed consent generally requires that the person be told:
The nature of the procedure or study
The purpose
Potential risks and benefits
Available alternatives
The right to refuse or withdraw at any time
Any conflicts of interest or financial involvement
The individual must also have the capacity to understand the information and must consent voluntarily without coercion or manipulation.
Core Elements of Informed Consent
Most medical and research ethics frameworks define three essential components:
Disclosure: All relevant information must be shared clearly, including:
1. What will happen
2. Possible side effects or risks
3. Likelihood of benefits
4. Uncertainties
5. Alternatives
Comprehension: The person must actually understand the information, not simply receive it. Providers must communicate in language that is understandable.
Voluntariness: The decision must be free of pressure, coercion, or undue influence.
Historical Origins:
Modern informed consent developed largely in response to unethical medical experimentation in the 20th century.
Nuremberg Trials (1945–1947)
After World War II, Nazi doctors were prosecuted for conducting experiments on prisoners without consent.
This led to the creation of the Nuremberg Code (1947), which established that:
“The voluntary consent of the human subject is absolutely essential.”
The Nuremberg Trials
https://www.nationalww2museum.org/war/topics/nuremberg-trials
Tuskegee Syphilis Study (1932–1972) In this U.S. government study, African American men with syphilis were not informed of their diagnosis and were denied treatment, even after penicillin became available. Public outrage led to major reforms in research ethics.
The Tuskegee Syphilis Study (1932–1972
https://embryo.asu.edu/pages/tuskegee-syphilis-study-1932-1972
Belmont Report (1979)
This U.S. report established three core principles of ethical research:
Respect for persons, Beneficence, Justice
Informed consent is the primary mechanism for implementing respect for persons.
AMA Code of Medical Ethics - Informed Consent “Informed consent to medical treatment is fundamental in both ethics and law. Patients have the right to receive information and ask questions about recommended treatments so that they can make well-considered decisions about care. Successful communication in the patient-physician relationship fosters trust and supports shared decision making. Transparency with patients regarding all medically appropriate options of treatment is critical to fostering trust and should extend to any discussions regarding who has access to patients’ health data and how data may be used.
The process of informed consent occurs when communication between a patient and physician results in the patient’s authorization or agreement to undergo a specific medical intervention. In seeking a patient’s informed consent (or the consent of the patient’s surrogate if the patient lacks decision-making capacity or declines to participate in making decisions), physicians should:
Assess the patient’s ability to understand relevant medical information and the implications of treatment alternatives and to make an independent, voluntary decision.
Present relevant information accurately and sensitively, in keeping with the patient’s preferences for receiving medical information. The physician should include information about:
the diagnosis (when known);
the nature and purpose of recommended interventions;
the burdens, risks, and expected benefits of all options, including forgoing treatment.
Document the informed consent conversation and the patient’s (or surrogate’s) decision in the medical record in some manner. When the patient/surrogate has provided specific written consent, the consent form should be included in the record.
In emergencies, when a decision must be made urgently, the patient is not able to participate in decision making, and the patient’s surrogate is not available, physicians may initiate treatment without prior informed consent. In such situations, the physician should inform the patient/surrogate at the earliest opportunity and obtain consent for ongoing treatment in keeping with these guidelines.
Council Reports PDF Informed Consent
Related Learning
Ethics Case Must Physicians Disclose Personal Health Information to Patients?
Ethics Case Prioritizing the Rest of Health Care in a Public Health Crisis
Legal Brief Texas Abortion Restrictions
AMA Code of Medical Informed Consent
https://code-medical-ethics.ama-assn.org/ethics-opinions/informed-consent
Children and Informed Consent
What Is An Informed Consent Form?
Before surgery, your child's healthcare provider will explain the procedure and its risks. You will be asked to sign an informed consent form. It states in detail:
That you understand the risks and benefits of the procedure
That you understand the risks of refusing the procedure
The risks and benefits of alternatives to the procedure
Before you sign the form, make sure all your questions are answered. Write down your questions before hand Then write down the answers as you discuss them with your child's provider.
Who Signs The Informed Consent Form?
One or both parents can sign for a minor child. A minor child is younger than 18 years of age. If the minor child is living with a legal guardian, the legal guardian can sign. A legal guardian will be asked to show proof of the legal relationship.
Teens And Informed Consent Forms
Parental (or legal guardian) consent is needed for procedures on a person under the age of 18. Teens should be part of the discussion about their health and their treatment. The issues and laws for confidentiality and informed consent with teens are complex. They vary from state to state. All their questions should be answered before their parent or guardian signs the consent form. Ask them to write down their questions and the answers. Some older teens also like to sign the consent form with their parent or guardian.
Emancipated Minors And Informed Consent
An emancipated minor is a person under age 18 who has become a legal adult. An emancipated minor may consent to their own medical care. The definition of an emancipated minor is determined by individual state laws.
https://www.nationwidechildrens.org/conditions/health-library/understanding-informed-consent
Informed Consent Doctrine
The informed consent doctrine is a legal principle that holds healthcare providers accountable for ensuring that their patients are fully informed about any medical procedures or treatments before they agree to them. The idea behind this principle is that individuals have the right to make informed decisions about their own health and that these decisions should be based on accurate and complete information.
To put this into practice, healthcare providers typically obtain written informed consent from patients, that outlines the information that has been shared, the risks and benefits of the procedure, and the patient's agreement to proceed.
In a legal context, the informed consent doctrine can play a crucial role in determining whether a healthcare provider has acted negligently or failed to provide adequate care.
For example, in the case of Canterbury v. Spence, the US Supreme Court established that healthcare providers have a duty to disclose material or relevant information to patients, even if the provider does not believe the information would impact the patient's decision.
Another case, Cobbs v. Grant, established that a physician has a duty to obtain informed consent by presenting information about a treatment or procedure in a way that is understandable to the patient. In this case, the court held that healthcare providers must make a "reasonable disclosure" of information and that the level of disclosure required may depend on the circumstances of each individual case.