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Difficulty: MediumInformed Consent and Refusal of Care

A 72-year-old man is brought to the intensive care unit after suffering a massive acute ischemic stroke with subsequent hemorrhagic transformation. He is currently comatose and requires mechanical ventilation. The neurology and critical care teams determine that the neurological damage is irreversible and the prognosis for meaningful recovery is exceptionally poor.

The patient's long-term unmarried partner arrives with a valid, legally executed durable power of attorney for healthcare document, which explicitly names her as the patient's sole healthcare proxy. She states that they had discussed this exact scenario, and the patient unequivocally stated he would not want to be kept alive on life support with no hope of recovery. She requests that the patient be extubated and transitioned to comfort care.

Shortly after, the patient's adult son from a previous marriage arrives at the hospital. He is distressed and demands that the care team continue mechanical ventilation and perform a tracheostomy if necessary. He states that as the patient's biological next of kin, he has the legal right to override the partner's request and threatens legal action if life support is withdrawn.

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

  1. Extubate the patient as requested by the healthcare proxyAnswer
  2. B
    Continue mechanical ventilation as requested by the biological next of kin
  3. C
    Consult the hospital ethics committee before making a final decision
  4. D
    Maintain life support until the proxy and the son reach a mutual consensus
  5. E
    Request an emergency court order to establish legal guardianship

Answer

Extubate the patient as requested by the healthcare proxy
In medical ethics, when an adult patient lacks decision-making capacity, an appropriate surrogate decision-maker must be identified to direct care. The highest priority in the surrogate hierarchy is a legally appointed healthcare proxy designated by a valid durable power of attorney for healthcare. The proxy's responsibility is to make decisions based on the patient's known values and wishes (substituted judgment). In this scenario, the partner is the legally designated proxy and is accurately conveying the patient's explicitly stated wish to avoid life support with no hope of recovery. Therefore, the physician is ethically and legally obligated to honor the proxy's directive and withdraw life-sustaining treatment, regardless of the biological son's objections and threats of legal action.

Step-by-Step Solution

1
Assess the patient's decision-making capacity
The patient is comatose and lacks the capacity to make medical decisions.
Establishing the lack of capacity is the prerequisite for involving a surrogate decision-maker.
2
Identify the appropriate surrogate decision-maker based on the legal hierarchy
The patient's partner is the legally appointed healthcare proxy via a valid durable power of attorney for healthcare.
A legally designated proxy holds the highest priority in the surrogate hierarchy, above any biological relatives or next of kin.
3
Determine the course of action based on the proxy's directive
The proxy requests extubation, which aligns directly with the patient's previously stated wishes.
The surrogate must use substituted judgment to make the decision the patient would have made, and the medical team is legally and ethically obligated to honor this directive despite objections from dissenting family members.

Key Concept

A legally appointed healthcare proxy via a durable power of attorney holds the highest priority in the surrogate decision-making hierarchy, superseding the demands of biological next of kin.
Estimated Time:1m 15s
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Topics

Informed Consent and Refusal of Care

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