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Difficulty: MediumAdvance Directives and Surrogate Decision Making

A 73-year-old woman with advanced Alzheimer dementia is admitted to the surgical ward with a necrotizing infection of her right foot. She is persistently disoriented to time and place, cannot comprehend her diagnosis, and lacks the clinical capacity to make medical decisions. The surgical team strongly recommends a below-the-knee amputation to prevent the localized infection from progressing to life-threatening systemic sepsis. She is widowed, her only child is deceased, and her parents are deceased. The patient is accompanied by her former business partner and her younger sister. No written advance directive or Healthcare Proxy was ever established. The business partner presents a notarized Durable Power of Attorney for Financial Affairs and insists on consenting to the surgery, stating, "I hold her power of attorney, and she must have this operation to live." The sister opposes the surgery, stating that the patient had previously witnessed a friend undergo an amputation and explicitly told her, "I would rather die whole than live without a limb." Which of the following is the most appropriate next step in obtaining medical consent for this patient?

  1. A
    Accept the business partner's consent because a durable power of attorney supersedes statutory family surrogates.
  2. B
    Proceed with the amputation immediately under the emergency consent doctrine.
  3. Withhold the surgery and follow the sister's directive based on substituted judgment.Answer
  4. D
    Request a judge to determine the patient's legal competence before honoring the refusal.
  5. E
    Transfer the patient to a hospice facility immediately due to the disagreement over life-saving interventions.

Answer

Withhold the surgery and follow the sister's directive based on substituted judgment.
The correct action is to withhold the surgery and follow the sister's directive. The patient lacks decision-making capacity and has no designated Healthcare Proxy (Medical Power of Attorney). A Durable Power of Attorney for Financial Affairs grants authority strictly over financial matters and does not confer the right to make medical decisions. Therefore, the business partner has no legal standing in this clinical scenario. In the absence of a designated proxy, state statutory hierarchy dictates the surrogate, which typically proceeds from spouse to adult children, then parents, and finally adult siblings. Since the patient is widowed and has no surviving children or parents, her sister is the highest-ranking legally recognized surrogate. Furthermore, the sister is appropriately applying the principle of 'substituted judgment' by basing her refusal on the patient's explicitly stated prior wishes regarding amputation. Physicians must honor clear substituted judgment even if the decision results in the patient's death.

Step-by-Step Solution

1
Assess the patient's decision-making capacity and identify the need for a surrogate.
The medical team determined the patient lacks clinical capacity due to advanced dementia, requiring a surrogate decision-maker.
Incapacitated patients cannot provide informed consent or refusal for surgical procedures.
2
Evaluate the documents and relationships to establish the legally authorized surrogate.
The sister is identified as the legal surrogate.
There is no designated Healthcare Proxy. The business partner's Financial Power of Attorney does not grant healthcare authority. Under the statutory surrogate hierarchy, since the patient has no surviving spouse, children, or parents, the adult sibling (sister) is the highest-ranking authorized decision-maker.
3
Apply the appropriate ethical standard for the surrogate's decision.
The sister's refusal of surgery is honored.
The sister is utilizing the principle of 'substituted judgment' by basing her decision on the patient's explicitly stated prior wishes regarding amputation, which takes precedence over interventions that prolong life against the patient's values.

Key Concept

In the absence of a designated Healthcare Proxy, medical decisions for incapacitated patients are made by the highest-ranking available relative under statutory hierarchy. A Financial Power of Attorney confers no medical authority. Surrogates must use substituted judgment based on the patient's known values.
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Topics

Advance Directives and Surrogate Decision Making

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