Shared decision-making
Commenting on the study, William Whalen, MD, a pulmonary critical care specialist at Weill Cornell Medicine in New York, said, “I echo the authors’ sentiments that these findings highlight how chronically ill COPD patients are, which may be playing a role in the elevated mortality seen in this study.”
One caveat is in regard to the interpretation of the interaction effects of the study, he said. “Clinicians are unlikely to send patients who are frail or have multiple comorbidities to overly complex surgeries. Therefore, these effects may be misestimated due to selection bias.”
Two questions remain after reading the study, he added. “The first is how the degree of obstruction (i.e., the severity of COPD) impacts long-term mortality. Previous observational studies in nonsurgical COPD patients have shown increased mortality as the severity of obstruction increases. The second is how much of the long-term mortality observed in this study is related to respiratory disease from COPD. Patients with COPD are complex, and many die from nonrespiratory-related causes.”
Dr. Whalen suggests that discussion be held with the surgical team about the long-term morbidity and mortality with and without surgical intervention. Such a discussion could inform a shared decision-making process with the patient.
“Some procedures may be necessary to reduce immediate mortality, such as aortic aneurysmal repair, so [the risk of] longer-term mortality may be more acceptable in this setting,” he said. “Less straightforward are procedures that may improve quality of life. Would a patient accept an increased long-term mortality [risk] if that meant living without orthopedic-related pain?”
The study was funded by the Government of Ontario. Dr. Sankar and Dr. Whalen have disclosed no relevant financial relationships.
A version of this article originally appeared on Medscape.com.