ArticleJAMA surgery2026
Glycemic Control and Diabetes Outcomes After Surgical Therapy for Diabetic Gastroparesis.
Article in JAMA surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Importance: Surgical therapy for gastroparesis is effective for refractory symptoms; however, its association with glycemic control and diabetes-related complications in patients with diabetic gastroparesis remains uncertain. Objective: To evaluate the association between surgical therapy for gastroparesis and glycemic control and diabetes-related complications in adults with diabetic gastroparesis. Design, Setting, and Participants: This retrospective multicenter cohort study using a national electronic health record database included more than 100 million patients from more than 70 US health care organizations. Adults with concurrent diagnoses of diabetes and gastroparesis between 2010 and 2023 were included. Propensity score matching (1:1) was performed. Queries and analyses were performed in January and February 2026. Exposure: Surgical therapy for gastroparesis, including gastric electrical stimulation, pyloroplasty, and gastric peroral endoscopic myotomy. Main Outcomes and Measures: The primary outcome was mean glycated hemoglobin (HbA1c) level over follow-up. Secondary outcomes included probability of adequate glycemic control (HbA1c <7%), severe hyperglycemia (HbA1c ≥10%), insulin utilization, diabetes-related complications, health care utilization, and mortality. Results: A total of 95 328 eligible patients were identified, including 2272 (2.4%) who underwent surgical therapy. The mean (SD) age was 54.9 (15.2) years; 61 245 (64.2%) were female and 34 083 (35.6%) male. After propensity score matching, 2272 patients remained in each cohort. The mean (SD) follow-up time was 3.5 (1.7) years. Baseline HbA1c was similar between groups. Over follow-up, mean HbA1c decreased by 0.51 percentage points in the surgical cohort and increased by 0.28 percentage points in the nonoperative cohort. At 5 years, mean (SD) HbA1c was 6.29% (1.72) in the surgical group and 7.21% (2.02) in the nonoperative group (between-group difference, 0.92 percentage points; P < .001). The surgical cohort had a higher probability of achieving adequate glycemic control, lower probability of severe hyperglycemia, and lower initiation of insulin therapy. At 5 years, diabetes-related complications occurred in 1209 surgical patients (53.2%) and 1438 nonoperative patients (63.3%; odds ratio, 1.52; 95% CI, 1.34-1.71; P < .001). Emergency visits (947 [41.7%] vs 1243 [54.7%]) and hospitalizations (1034 [45.5%] vs 1340 [59.0%]) were also less frequent (both P < .001). Five-year mortality did not differ (232 [10.4%] vs 232 [10.4%]; P > .99). Conclusions and Relevance: In this national multicenter cohort, surgical therapy was associated with improved glycemic control, lower insulin utilization, and fewer diabetes-related complications. Metabolic outcomes may warrant consideration alongside symptom relief when evaluating patients for surgical therapy for gastroparesis.
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