Penn State College of Medicine researchers have identified several variables that affect a patient's likelihood of getting bariatric surgery and help explain why it is underutilised by some who are eligible. The study, ‘Predictors of surgical intervention for those seeking bariatric surgery’, published in Surgery for Obesity and Related Diseases journal, showed that psychological factors, along with social determinants of health such as race, food security and level of education play significant roles in whether a patient proceeds with surgical treatment for obesity.
The study analysed data from preoperative psychological assessments of 1,234 adult bariatric surgery patients, who had surgery between 2017 and early 2020. Patients answered questions about themselves, their quality of life, medical history, mental health and eating habits through self-report questionnaires. The majority of the patients were female (946) and white (862). Among the study participants, 23% received benefits through the federal government's Supplemental Nutrition Assistance Program (SNAP).
The researchers found that Black, Hispanic and other minority groups are less likely to undergo surgery than white patients. In addition to racial disparities, both education and economic factors impacted the likelihood of patients undergoing surgery. Further, both education and economic factors can influence nutrition and dietary behaviours that contribute to obesity and overall wellness. The researchers found that patients receiving SNAP and those with lower levels of education were less likely to have surgery than patients who did not receive SNAP and those who were college-educated.
In addition to identifying social determinants of health that might contribute to a patient's likelihood of pursuing surgery, researchers examined psychological factors as well. They said that depression and anxiety are common among candidates for bariatric surgery. Findings show that patients with higher levels of depression or anxiety were less likely to proceed with surgery. Based on these findings, the researchers recommend that depression and anxiety should be monitored closely in post-operative patients to reduce the risk of self-harm and suicide.
“There are multiple factors that contribute to patient progression to surgery, and ultimately whether the patient undergoes bariatric surgery,” the authors concluded. “Results show a need for further investigation surrounding the sociodemographic and psychosocial variables that influence the patient’s advancement to surgery. Both providers and patients could benefit from a deeper understanding of potential barriers to utilisation of bariatric surgery.”
According to the researchers, the results give a greater understanding of the obstacles some patients face in getting bariatric surgery. They said there is an urgent need from a public health perspective to identify ways to overcome barriers to bariatric surgery for all of those eligible for the surgery as well as those impacted by these important mental health concerns and social determinants of health.
"Future studies are needed to develop interventions to overcome treatment barriers and gaps in progressing to surgery, as well as more upstream factors, such as overall patient referral," said researcher Melissa Butt, who has a doctoral degree in public health.
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