Lobectomy for primary lung cancer takes longer in obese patients

Published on November 29, 2012 at 6:34 AM · No Comments

Lobectomy for primary lung cancer takes longer when a patient is obese, not only increasing the resources required to achieve a good outcome, but also adding to national health care costs, according to a study published in the December 2012 issue of The Annals of Thoracic Surgery.

Key Points
• Heavier patients can expect longer lung cancer surgeries.
• Hospital experience with obesity does not reduce surgical time.
• Hospitals and health policy experts advised to start planning to better accommodate obese patients.

Jamii B. St. Julien, MD, MPH, from Vanderbilt University Medical Center in Nashville, Tenn., and colleagues found that for every 10-unit increase in body mass index, operating room time rose by 7.2 minutes—even in hospitals experienced in caring for obese patients. Obesity did not increase the risk of dying within 30 days of surgery or increase the length of hospital stay.

Operating time is widely used as a surrogate measure for health care resource utilization. "With operating room costs at $65 per minute, obesity can become very expensive, very quickly," stated senior author Eric L. Grogan, MD, MPH, also from Vanderbilt University.

The researchers used data from The Society of Thoracic Surgeons General Thoracic Surgery Database to retrospectively study the impact of body mass on total operating room time for 19,337 patients who had a portion of a lung surgically removed due to lung cancer between 2006 and 2010.

Obesity is an epidemic in this country that increases utilization of health care resources. The estimated annual medical costs attributable to obesity were approximately $147 billion in 2008, according to the study.

"The fact that we are putting more and more costly resources into caring for obese patients needs to be considered as hospitals and policymakers think of ways to control future health care costs. More public health emphasis on healthy lifestyle choices and weight loss is needed," stated Dr. St. Julien.

Drs. Grogan and St. Julien suggested minimizing time spent in the operating room by creating operating suites with larger rooms, bigger operating tables, and longer surgical instruments to accommodate obese patients.

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