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Difficulty: Very hardConfidentiality and Privacy

A 34-year-old man presents to the neurology clinic to discuss the results of a recent predictive genetic test. His father was recently diagnosed with Huntington disease, prompting the patient to seek testing. The results confirm an expanded CAG trinucleotide repeat in the HTT gene, indicating he will eventually develop the disease. The patient is currently asymptomatic. He is married and has a 4-year-old son. He also has a 31-year-old biological sister who recently got married and is actively trying to conceive her first child. During the consultation, the patient becomes visibly distressed and states, 'I cannot let my wife or my sister know about this. It would ruin my marriage, and my sister would never speak to me again.' He explicitly forbids the physician from sharing his medical records or test results with anyone. Which of the following approaches by the physician are legally and ethically appropriate? (Select all that apply)

  1. Honor the patient's request for confidentiality and refrain from disclosing the genetic results to the patient's sister.Answer
  2. Engage in ongoing discussions over multiple visits to encourage the patient to voluntarily disclose the information to at-risk relatives.Answer
  3. C
    Breach confidentiality to inform the sister, as the information is critical for her imminent reproductive decision-making.
  4. D
    Disclose the diagnosis to the patient's wife to allow her to adequately prepare for his future cognitive and motor decline.
  5. E
    Recommend immediate predictive genetic testing for the patient's 4-year-old son to establish a baseline for future medical monitoring.

Answer

The correct actions are to honor the patient's request for confidentiality regarding his sister and to continually counsel him on the importance of voluntary disclosure.
In medical genetics, patient confidentiality is paramount. While physicians have an ethical obligation to encourage patients to share relevant genetic information with at-risk family members, they generally cannot force disclosure without consent. The American Medical Association allows breaching confidentiality for genetic risks only when the harm to relatives is serious, highly likely, and preventable through specific medical interventions (such as prophylactic surgery for BRCA mutations). Because Huntington disease has no preventive treatment, knowing the genetic status does not prevent the medical onset of the disease. While the sister's reproductive decisions might be altered, reproductive planning does not meet the strict ethical threshold of 'preventable medical harm' required to override patient autonomy. Therefore, the physician must respect the patient's privacy while continuing to engage in ongoing discussions to encourage voluntary disclosure.

Step-by-Step Solution

1
Identify the ethical conflict in the scenario.
The conflict is between the patient's absolute right to confidentiality and the potential risk to family members (the sister's reproductive choices and the son's genetic risk).
To determine which ethical principles take precedence in this specific situation.
2
Evaluate the exceptions to confidentiality for genetic diseases.
Breaching confidentiality against a patient's will requires a high probability of serious harm that is highly preventable through specific medical intervention.
To assess if the sister's situation meets the threshold for forced disclosure.
3
Apply the evaluation criteria specifically to Huntington disease.
Because there is no preventive treatment for Huntington disease, the medical harm is not preventable. Altering reproductive decisions does not constitute a preventable medical intervention for the sister herself.
To conclude that the sister and wife cannot be informed against the patient's will.
4
Determine the appropriate clinical management regarding the minor child.
Predictive testing for adult-onset unpreventable diseases must be deferred until the child reaches the age of majority.
To preserve the minor's future autonomy to decide whether they want to know their genetic status.

Key Concept

Confidentiality in genetic testing and the strict criteria required to breach privacy for at-risk relatives.
Estimated Time:2m 0s
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Topics

Confidentiality and Privacy

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