Insurance-mandated weight management program before weight-loss surgery provides no clinical benefit

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Many insurance companies require patients to complete a medically supervised weight management program before they approve them for weight-loss surgery, but new data shows this controversial requirement does nothing to improve treatment or safety outcomes, and may actually hinder weight loss success.

The study, presented here today at the American Society for Metabolic and Bariatric Surgery (ASMBS) Annual Meeting, adds to a growing body of evidence that calls into question the clinical rationale for delaying weight-loss surgery to fulfill this requirement imposed by insurers.

Weight management program requirements vary among insurers. Some require patients to simply complete a program; others expect patients to maintain weight within a defined period; others may deny payment for surgery if patients gain or even lose weight. The duration of these programs range from three to 12 months.

Many insurance companies believe that participation in a weight management program preoperatively results in patients with fewer complications, better health outcomes and decreased healthcare costs.

“Believing is one thing, proving is another. Patients in the insurance-mandated weight management programs did not achieve greater weight loss before or after bariatric surgery, did not have fewer post-operative complications, and did not have better resolution of obesity-related diseases when compared to patients who had no such insurance requirement,” said study-co-author Deborah Hutcheon, Doctor of Clinical Nutrition (DCN) and RD, Prisma Health, Greenville, SC. “The data shows the requirement only served to diminish outcomes and unnecessarily delay patient access to a life-saving medical intervention.”

In the single-institution retrospective study, researchers reviewed the weight loss and safety outcomes of 1,056 patients who had either laparoscopic gastric bypass surgery (572) or sleeve gastrectomy (484) from 2014 to 2019. A total of 779 patients completed a medically supervised weight management program as mandated by their insurance company. Patients were followed for up to five years, which researchers note, to their knowledge, is the longest duration of follow-up to date for a study of this kind.

Patients not required to complete the weight management program prior to surgery had, on average, greater weight loss (1% to 5% more) in both the short- and long-term, and had better resolution or improvement of obesity-related diseases including hypertension, diabetes, and hyperlipidemia. No differences were seen in the rate of complications. However, weight management program patients who received gastric bypass had a significantly higher reoperation rate 13 months after surgery (3.8%), while gastric bypass patients who did not participate in the program did not require any reoperations.

Patients with the weight management program requirement waited an extra two months on average to have surgery, which researchers theorize may have resulted in a reduced long-term commitment to diet, exercise, and lifestyle modification after surgery, contributing to less weight loss.

In a 2016 position statement, the ASMBS called for an end to insurance mandated preoperative supervised weight loss requirements and mandates, stating, “The discriminatory, arbitrary, and scientifically unfounded practice of insurance-mandated preoperative weight loss contributes to patient attrition, causes unnecessary delay of lifesaving treatment, leads to the progression of life-threatening comorbid conditions, is unethical, and should be abandoned.”

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