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Re-examining ethical obligations in the intensive care unit: HIV disclosure to surrogates
Critical Care volume 11, Article number: 125 (2007)
Physicians treating newly incapacitated patients often must help navigate surrogate decision-makers through a difficult course of treatment decisions, while safeguarding the patient's autonomy. We offer guidance for intensive care physicians who must frequently address the difficult questions concerning disclosure of confidential information to surrogates. Three clinical vignettes will highlight the ethical challenges to physician disclosure of a critically ill patient's HIV status. Two key distinctions are offered that influence the propriety of disclosure: first, whether HIV infection represents a 'primary cause' for the patient's critical illness; and second, whether the surrogate may be harmed by failure to disclose HIV status. This balanced consideration of the direct duties of physicians to patients, and their indirect duties to surrogates and third-party contacts, may be used as a framework for considering other ethical obligations in the intensive care unit. We also provide a tabulation of individual US state laws relevant to disclosure of HIV status.
Physicians treating newly incapacitated patients often must help navigate surrogate decision-makers through a difficult course of treatment decisions . Because safeguarding the patient's autonomy often requires open discussion of the patient's condition with appointed surrogates [2, 3], physicians have ethical duties to provide surrogates with complete and accurate information on which to base their decisions.
But how exacting are these duties? Under what circumstances, if any, may physicians intentionally withhold information about the incapacitated patient from surrogates? In this commentary, we use three cases as examples to guide intensive care physicians in addressing these difficult questions.
A 45 year old HIV-positive woman with an unknown CD4 count is admitted to an intensive care unit with 3 days of fever, chills, fatigue, and shortness of breath. Her blood cultures rapidly grow Staphylococcus aureus, and an echocardiogram is consistent with bacterial endocarditis. Septic shock and the acute respiratory distress syndrome develop. Prior to intubation, the patient asks that her daughter be her surrogate decision-maker, but that her daughter not be informed of the patient's HIV status. The patient's husband had died eight months earlier from an AIDS-related illness.
A 48 year old man presents with acute hypoxemic respiratory failure requiring immediate intubation. The patient has advanced HIV disease complicated by AIDS wasting syndrome, disseminated candidiasis, and pulmonary hypertension, all of which have contributed to his poor functional status at baseline. He has declined antiretroviral therapy, has kept the source of his symptoms to himself, has never disclosed his HIV status to his living relatives, and has not engaged in sexual activities since he was diagnosed.
Despite initiating therapy with trimethoprim/sulfamethoxazole and glucocorticoids for Pneumosistis jiroveci pneumonia, the patient remains intubated and critically ill several weeks later. The physicians estimate that the patient's poor nutritional status and severe respiratory compromise make meaningful recovery highly unlikely. They ask the patient's next-of-kin to clarify the patient's wishes for aggressive care.
A 55 year old HIV-positive woman with known severe chronic obstructive pulmonary disease presents with acute hypercarbic respiratory failure and requires urgent intubation. Prior to intubation, she asks the physician not to tell her husband that she is HIV-positive, expressing concern that he would hate her for being dishonest with him, and for putting him at risk during intercourse.
The ethical conflicts
The patient in case 1 is critically ill due to several disease processes, which may or may not have been linked to her immunocompromised state. She poses no direct risk to her decision-maker. The patient in case 2 is critically ill due to a known complication of advanced HIV, and the patient's prior choices to forgo therapy for this disease may reflect the patient's underlying values and preferences for end-of-life care. Finally, the patient in case 3 is critically ill for reasons not clearly related to HIV, but her HIV disease is relevant because she has been sexually active with her surrogate decision-maker.
In case 1, the physicians ideally would have obtained more information regarding the patient's treatment preferences prior to intubation. However, because patients may be unprepared or unable to have such a discussion while acutely ill, surrogates often provide the best information physicians can obtain to guide future management. When a pre-existing surrogate, or one with durable power of attorney for health care, is not available, physicians must often ascertain whether a newly designated surrogate is suitable. Specifically, a proper surrogate will: have an appropriate familial or otherwise legally recognized relationship to the patient; be capable of ascertaining and effectuating the patient's wishes and best interests; and not act from improper or personal motives.
Though many critically ill patients lack proper surrogates , when they exist, physicians are obliged to provide them with all relevant information about the patient's medical condition so that the surrogate can make an informed decision on the patient's behalf. Information about specific underlying diseases may be relevant to a proper consideration of the patient's current condition if it clarifies why the patient's condition is or is not potentially reversible, or if knowledge of how the patient previously chose to deal with this disease can clarify the patient's underlying values or beliefs.
In case 1, the physicians did not disclose the patient's HIV status to the daughter because the HIV infection was merely one of many potential reasons why the patient may have been so ill. Disclosure would not have enabled the daughter to better serve her role as surrogate decision-maker. Non-disclosure upheld both the physicians' duty to maintain the patient's confidentiality, and their duty to the surrogate to provide all necessary information to make an informed decision that served the patient's interests.
By contrast, in case 2, the father's HIV infection was a proximate determinant of his current clinical condition, and knowledge of how he previously chose to respond to this illness might usefully inform the daughter's consideration of how he would want to be managed in his current condition. Thus, disclosure of the father's severe HIV-related illnesses, and his prior choices to forgo therapy, may improve the daughter's ability to act as an appropriate surrogate in this case.
Importantly, failure to disclose the patient's underlying health condition risks minimizing opportunities for the timely withdrawal of painful or futile interventions. The physicians' obligation of beneficence to their patients is therefore relevant to the decision to disclose because doing so may ultimately serve the patients' interests in avoiding needless suffering . In general, disclosure is justified when: the patient is at significant risk of unnecessary suffering; the action of others is needed to prevent this suffering; the action of others has a high probability of preventing it; and the benefit that the patient can be expected to gain outweighs any harms, costs, or burdens that others are likely to incur.
In addition, disclosure may be justified on legal and ethical grounds if nondisclosure poses a direct and foreseeable risk to the surrogate. In case 3, for example, failure to disclose the patient's HIV status to the husband may forestall his timely testing for a life-threatening but treatable infection. The Tarasoff case established that confidentiality must be breached if there is an imminent threat to an identifiable third party, or "the duty to warn" . In case 3, privileging the HIV-positive wife by viewing her entitlement to confidentiality as unimpeachable, regardless of the potential harm to her husband, and possibly others through him, is unjust because it inappropriately places her rights above those of her husband.
Thus, when nondisclosure places third parties at serious and foreseeable risk, as for the husband in this case, obligations to disclose confidential information emerge .
Physicians disclosing such information must do so cautiously, however, because it is possible that surrogates may respond to such information with anger or resentment at not having been informed previously by the patients. In such cases, disclosure may impair the surrogate's ability to make decisions on the patient's behalf. If such impairment of a surrogate's decisional capacity is foreseen by the physician, it may be necessary to involve other family members, or even a court-appointed guardian, in discussions regarding the patient's medical care.
Disclosure of confidential information to surrogate decision-makers of critically ill patients is justified under a narrow set of conditions. These conditions are limited to cases in which disclosure is necessary for the surrogate to make decisions that reflect the patient's values and interests, or when failure to disclose poses direct and foreseeable risks to the surrogate. We believe this ethical framework, exemplified by the foregoing cases, should guide physicians faced with such dilemmas in the intensive care unit. However, in several US states, established case law may also influence physicians' practices [7–14]. Although most states have not adopted specific statutes governing disclosure of confidential HIV-related information, some have adopted laws that: prohibit disclosure of HIV status, even when third parties are at risk; require disclosure in such cases; or permit disclosure in such cases after considering its risks and benefits . We summarize these state laws in Table 1 for physicians' future reference.
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The authors declare that they have no competing interests.
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Vernillo, A.T., Wolpe, P.R. & Halpern, S.D. Re-examining ethical obligations in the intensive care unit: HIV disclosure to surrogates. Crit Care 11, 125 (2007). https://doi.org/10.1186/cc5720
- Intensive Care Physician
- Acute Hypoxemic Respiratory Failure
- Foreseeable Risk
- Indirect Duty
- Severe Respiratory Compromise