Panagiotis Drakos1, Panagiotis Volteas2, Kevin Seeras2,3, Shabana Humayon4, Benjamin Flink2,3, Jie Yang5, Chencan Zhu4, Konstantinos Spaniolas2,3, Mark Talamini2, Aurora Pryor2,3. 1. Department of Surgery, Stony Brook Medicine, Renaissance School of Medicine, Health Sciences Center, Stony Brook, NY, T19-05311794 8191, USA. panagiotis.drakos@stonybrookmedicine.edu. 2. Department of Surgery, Stony Brook Medicine, Renaissance School of Medicine, Health Sciences Center, Stony Brook, NY, T19-05311794 8191, USA. 3. Division of Bariatric, Foregut, and Advanced Gastrointestinal Surgery, Department of Surgery, Renaissance School of Medicine, Stony Brook, NY, USA. 4. Department of Biostatistics, Renaissance School of Medicine, Stony Brook, NY, USA. 5. Division of Preventive Medicine, Renaissance School of Medicine, Stony Brook, NY, USA.
Abstract
BACKGROUND: Early postoperative weight loss can be predictive of one-year outcomes. It is unclear if poor performers identified in the first post-operative month can have improvement in outcomes with additional support and education. PURPOSE: To evaluate the impact of a structured targeted support program for patients with lower-than-average early post-operative weight loss on 1-year outcomes. METHODS: This was a prospective randomized study of bariatric surgery patients who experienced less than 50th percentile excess body weight loss (%EWL) at 3 weeks. Subjects with EWL < 18% were randomized into two groups: an intervention (IV) arm or a control (NI, no intervention) arm. The IV arm was offered a program with 7-weekly behavioral support sessions, while the NI patients received routine post-operative care. RESULTS: A total of 128 patients were randomized: 65 NI and 63 IV. In the IV group, 20 attended all sessions, 7 attended < 4, and 36 did not participate. There was no difference in baseline demographics, procedure type, or BMI. At 1 year, there was no difference in %EWL (ratio 0.993, 95% CI 0.873, 1.131), %EBMIL (ratio 0.997, 95% CI 0.875, 1.137), and %TWL (ratio 1.016, 95% CI 0.901, 1.146) between groups. A subgroup analysis including only the subjects who participated in all seven sessions showed similar results. CONCLUSION: Patients who present with suboptimal weight loss early after bariatric surgery do not experience a significant weight loss improvement with a structured behavioral support program. Importantly, despite being alerted to their poor early weight loss, patients demonstrated poor adherence to the proposed interventions.
BACKGROUND: Early postoperative weight loss can be predictive of one-year outcomes. It is unclear if poor performers identified in the first post-operative month can have improvement in outcomes with additional support and education. PURPOSE: To evaluate the impact of a structured targeted support program for patients with lower-than-average early post-operative weight loss on 1-year outcomes. METHODS: This was a prospective randomized study of bariatric surgery patients who experienced less than 50th percentile excess body weight loss (%EWL) at 3 weeks. Subjects with EWL < 18% were randomized into two groups: an intervention (IV) arm or a control (NI, no intervention) arm. The IV arm was offered a program with 7-weekly behavioral support sessions, while the NI patients received routine post-operative care. RESULTS: A total of 128 patients were randomized: 65 NI and 63 IV. In the IV group, 20 attended all sessions, 7 attended < 4, and 36 did not participate. There was no difference in baseline demographics, procedure type, or BMI. At 1 year, there was no difference in %EWL (ratio 0.993, 95% CI 0.873, 1.131), %EBMIL (ratio 0.997, 95% CI 0.875, 1.137), and %TWL (ratio 1.016, 95% CI 0.901, 1.146) between groups. A subgroup analysis including only the subjects who participated in all seven sessions showed similar results. CONCLUSION: Patients who present with suboptimal weight loss early after bariatric surgery do not experience a significant weight loss improvement with a structured behavioral support program. Importantly, despite being alerted to their poor early weight loss, patients demonstrated poor adherence to the proposed interventions.
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