• Jared Chiarchiaro, Praewpannarai Buddadhumaruk, Robert M Arnold, and Douglas B White.
• 1Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Internal Medicine, University of Pittsburgh, Pittsburgh, PA. 2Clinical Research, Investigation, and Systems Modeling of Acute Illness (CRISMA) Center, Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA. 3Section of Palliative Care and Medical Ethics, Department of Internal Medicine, University of Pittsburgh, Pittsburgh, PA. 4Palliative and Supportive Institute, University of Pittsburgh Medical Center, Pittsburgh, PA. 5Program on Ethics and Decision Making in Critical Illness, Department of Critical Care Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA. 6Center for Bioethics and Health Law, University of Pittsburgh, Pittsburgh, PA.
• Crit. Care Med. 2015 Mar 1; 43 (3): 542-8.

ObjectiveAlthough misperceptions about prognosis by surrogates in ICUs are common and influence treatment decisions, there is no validated, practical way to measure the effectiveness of prognostic communication. Surrogates' subjective ratings of quality of communication have been used in other domains as markers of effectiveness of communication. We sought to determine whether surrogates' subjective ratings of the quality of prognostic communication predict accurate expectation about prognosis by surrogates.DesignWe performed a cross-sectional cohort study. Surrogates rated the quality of prognostic communication by survey. Physicians and surrogates gave their percentage estimate of patient survival on ICU day 3 on a 0-100 probability scale. We defined discordance about prognosis as a difference in the physician's and surrogate's estimates of greater than or equal to ±20%. We used multilevel logistic regression modeling to account for clustering under physicians and patients and adjust for confounders.SettingMedical-surgical, trauma, cardiac, and neurologic ICUs of five U.S. academic medical centers located in California, Pennsylvania, Washington, North Carolina, and Massachusetts.PatientsTwo hundred seventy-five patients with acute respiratory distress syndrome at high risk of death or severe functional impairment, their 546 surrogate decision makers, and their 150 physicians.InterventionsNone.Measurements And Main ResultsThere was no predictive utility of surrogates' ratings of the quality of communication about prognosis to identify inaccurate expectations about prognosis (odds ratio, 1.04 ± 0.07; p = 0.54). Surrogates' subjective ratings of the quality of communication about prognosis were high, as assessed with a variety of questions. Discordant prognostic estimates were present in 63.5% (95% CI, 59.0-67.9) of physician-surrogate pairs.ConclusionsAlthough most surrogates rate the quality of prognostic communication high, inaccurate expectations about prognosis are common among surrogates. Surrogates' ratings of the quality of prognostic communication do not reliably predict an accurate expectation about prognosis.

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