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Difficulty: HardAdvance Directives and Surrogate Decision Making

A 78-year-old man with advanced vascular dementia and peripheral artery disease is hospitalized for a gangrenous right foot. He is disoriented to time and place, unable to comprehend his medical condition, and clearly lacks medical decision-making capacity. The vascular surgery team evaluates the patient and recommends a below-the-knee amputation within the next few days to prevent systemic sepsis.

The patient's eldest daughter, who lives with him, arrives at the hospital. She presents a notarized legal document titled "General Durable Power of Attorney," which explicitly grants her comprehensive authority over the patient's finances, taxes, and real estate. She refuses the surgery, stating, "My father would never want to lose his leg; he just wants to go home."

A social worker reviews the electronic health record and locates a valid advance directive executed five years ago. This document designates the patient's younger son, who lives in another state, as the sole Medical Power of Attorney (Healthcare Proxy). The physician contacts the son by telephone. After being fully informed of the clinical situation, the son requests that the medical team proceed with the amputation, arguing it is in his father's best interest.

Which of the following is the most appropriate next step in management?

  1. Obtain informed consent for the amputation from the younger son and proceed with the surgeryAnswer
  2. B
    Cancel the scheduled surgery to comply with the refusal by the daughter holding the General Durable Power of Attorney
  3. C
    Perform the amputation immediately under the doctrine of implied emergency consent
  4. D
    Delay the surgery until the hospital ethics committee can mediate a unanimous decision between the siblings
  5. E
    Arrange for a discharge to home hospice care as directed by the daughter

Answer

Obtain informed consent for the amputation from the younger son and proceed with the surgery.
The correct action is to proceed with the surgery based on the consent of the younger son. The younger son is the legally designated Medical Power of Attorney (Healthcare Proxy) according to the patient's valid advance directive. He has the exclusive legal authority to make medical decisions on the patient's behalf. A General (or Financial) Durable Power of Attorney, which the daughter holds, strictly grants authority over financial, legal, and real estate matters; it does not confer the right to make or refuse healthcare decisions. When a designated Healthcare Proxy is available and willing to make decisions, their authority supersedes the preferences of other family members, even those who act as primary caregivers.

Step-by-Step Solution

1
Assess the patient's clinical decision-making capacity.
The patient lacks capacity to consent due to advanced vascular dementia.
Establishing lack of capacity is required before turning to a surrogate decision-maker.
2
Identify the legally authorized surrogate decision-maker.
The younger son is identified as the Medical Power of Attorney (Healthcare Proxy).
A valid advance directive in the medical record explicitly designates the son for healthcare decisions.
3
Evaluate the legal authority of the present family member.
The daughter holds a General Durable Power of Attorney, which only covers finances and real estate.
It is necessary to distinguish between financial authority and healthcare authority when conflicting directives are given.
4
Execute the appropriate medical decision based on the authorized surrogate's directive.
Follow the younger son's consent for the surgical amputation.
The designated Healthcare Proxy has the exclusive right to consent to or refuse medical treatments on the patient's behalf.

Key Concept

Distinction between a Medical Power of Attorney (Healthcare Proxy) and a General (Financial) Power of Attorney in surrogate decision-making.
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Topics

Advance Directives and Surrogate Decision Making

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