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Diabetes Metab ; 47(6): 101255, 2021 Nov.
Article in English | MEDLINE | ID: mdl-33991661

ABSTRACT

BACKGROUND: Bariatric surgery in obese subjects can result in remission of type 2 diabetes (T2D) at a distant time post-surgery. The aim of our observational prospective single-centre study was to examine glycaemic patterns in adult T2D candidates for bariatric surgery using a continuous glucose monitoring (CGM) sensor for 14 days after surgery to search for indicators predictive of T2D remission 1 year later. METHODS: Patients underwent CGM preoperatively and for 14 days postoperatively. Thereafter, body weight and glycated haemoglobin (HbA1c) levels were monitored at 3, 6 and 12 months after surgery. RESULTS: A total of 31 patients (mean age 47±2 years) were analyzed. After surgery, mean interstitial glucose levels fell rapidly from 157±31mg/dL preoperatively to 109±35mg/dL postoperatively (P<0.001), reaching nadir levels from day 3 after surgery. Successful bariatric surgery (loss of excess weight ≥50%) was observed in 28 (90%) patients, and diabetes remission (HbA1c≤6% with no antidiabetic treatment) 1 year after surgery was noted in 21 (68%) patients. CGM for 14 days post-surgery allowed prediction of diabetes remission 1 year after surgery: time spent above range <14% and standard deviation (SD) of glucose levels <33mg/dL were both strong predictors of T2D remission. Indeed, the association of these two criteria predicted diabetes remission with a 100% positive predictive value, 81% sensitivity and 100% specificity and, when combined with the advanced Diabetes Remission (Ad-DiaRem) score, further increased predictive accuracy. CONCLUSION: The use of 14-day postoperative CGM recordings together with presurgical clinical scores can help to predict diabetes remission 1 year after bariatric surgery.


Subject(s)
Bariatric Surgery , Diabetes Mellitus, Type 2 , Adult , Blood Glucose , Blood Glucose Self-Monitoring , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/surgery , Glycated Hemoglobin/analysis , Humans , Middle Aged , Prospective Studies , Remission Induction , Retrospective Studies , Treatment Outcome
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