Obesity Increases Time Needed for Lung Cancer Surgery: Study

by Sheela Philomena on  November 29, 2012 at 10:53 AM Obesity News
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Lobectomy for primary lung cancer takes longer time for obese patients, finds study published in The Annals of Thoracic Surgery.
 Obesity Increases Time Needed for Lung Cancer Surgery: Study
Obesity Increases Time Needed for Lung Cancer Surgery: Study

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.

The prevalence of obesity in the United States has risen from 21% in 2001 to 34.2% in 2008, with the percent of morbid obesity rising from 2.3% to 5.7% respectively. One quarter of the nearly 20,000 patients in this study were obese, as defined by a BMI of 30 kg/m2 or more.

Obesity Epidemic Challenges Health Care System

In an invited commentary in the same issue, David R. Jones, MD, a Professor at the University of Virginia in Charlottesville, wrote that the St. Julien paper contributes to a growing body of evidence demonstrating the impact of obesity on surgical care.

"Obesity and lung cancer are two epidemics that are increasingly appreciated as significant threats to length and quality of life," commented Dr. Jones. "This paper supports the need to more thoroughly examine how obesity impacts health care and resource allocation, particularly in the surgical population."

"With the ever increasing epidemic of obesity in the United States there will be a need for thoracic surgeons and other health care providers to begin to proactively plan on how to deliver care to the obese patient," Dr. Jones concluded.

Source: Newswise

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