Gastrostomy tubes (G-tubes) and Nissen fundoplication are common surgical interventions for feeding difficulties and gastroesophageal reflux disease in children. A potential yet often missed, complication of these procedures is dumping syndrome. We present 3 pediatric patients with postprandial hypoglycemia due to late dumping syndrome after gastric surgeries. All patients received gastrostomy tubes for feeding intolerance: 2 had Nissen fundoplication for gastroesophageal reflux disease, and 1 had tracheoesophageal repair. All patients underwent multiple imaging studies in an to attempt to diagnose dumping syndrome. Continuous glucose monitoring (CGM) was essential for detecting asymptomatic hypoglycemia and glycemic excursions occurring with feeds that would have gone undetected with point-of-care (POC) blood glucose checks. CGM was also used to monitor the effectiveness of treatment strategies and drive treatment plans. These cases highlight the utility of CGM in diagnosing postprandial hypoglycemia due to late dumping syndrome, which is infrequently diagnosed by imaging studies and intermittent POC blood glucose measurements.
Continuous glucose monitoring (CGM) improves glycemic outcomes in children with type 1 diabetes (T1D) and is recommended for regular use. However, it is unclear how families use CGM and if they are using it to its greatest potential. In this study, 193 caregivers of children with T1D using CGM (mean age 9.3±2.8 years, 44% female, 10% ethnic minority, 92% using insulin pump) were recruited throughout the United States by social media to complete a cross-sectional survey about their real-time CGM use. Many children (70%) wore the sensor “all of the time,” with 77% using CGM ≥22 of the last 30 days. Most caregivers (93%) had a CGM feature to see their child’s data remotely in real time; 87% of those who used this feature viewed their child’s data at least once a day when their child was not with them. Though nearly all knew about CGM alert functions, only 73% set alerts for hyperglycemia and 80% for hypoglycemia “all the time.” Frequent retrospective review of CGM data was less common, with only 64% uploading and reviewing data at least monthly. Since starting CGM, most caregivers reported a decrease in their child’s glycated hemoglobin (A1c) (64%) and reduced frequency and severity of hypoglycemia (78%) and hyperglycemia (72%). In regression analysis (adjusted for age, duration of T1D, gender, minority status, caregiver education, geographic region, and pump use), younger age was associated with decrease in A1c (OR 0.78, 95% CI 0.67, 0.92) and decrease in hyperglycemia (OR 0.70, 95% CI 0.58, 0.84). Longer duration of CGM use was associated with decrease in hypoglycemia (OR 2.0, 95% CI 1.0, 4.1). Seventy-two percent reported CGM is “essential,” and 53% felt the greatest benefit is seeing data in real time. In summary, caregivers utilize real-time CGM functions (remote monitoring, alerts) more frequently than they retrospectively review data. Future studies should focus on how caregivers use real-time and retrospective CGM data to make T1D management decisions in order to optimize use of the technology. Disclosure J.C. Wong: Advisory Panel; Self; Tidepool Project. Research Support; Self; Dexcom, Inc. F. Abdulhussein: None. B.J. Yeung: None. E.J. Velazquez: None. Funding Dexcom, Inc.
Hypoglycemia occurs frequently in children with type 1 diabetes (T1D). However, the relationship between fear of hypoglycemia (FOH) and use of diabetes technology with different insulin delivery systems has not been well studied. Similarly, little is known about the relationship of diabetes treatment satisfaction with advances in diabetes technology in the pediatric population. Caregivers of children 6-17 years with T1D (n=104, 84% female caregivers, median T1D duration 5.3 years, mean GMI 7.5 ± 0.7%, 93% insulin pump users, 92% CGM users) using any insulin delivery system (8% MDI, 0.05% pump alone, 31% sensor augmented pump, 23% predictive low glucose suspend, 38% hybrid closed loop) completed the Hypoglycemia Fear Survey - Parent (HFS-P) and the Diabetes Treatment Satisfaction Questionnaire - Parent (DTSQ-P). Youth 13-17 years (n=35, 56% males) also completed the HFS - Child (HFS-C) and DTSQ - Child (DTSQ-C). Linear regression was used to look for associations between HFS and DTSQ scores and clinical factors, and paired t-tests were used to compare scores between caregivers and youth. Female caregivers had higher mean HFS Worry and Behavior scores than male caregivers (Worry 1.4 ± 0.18 vs. 0.88 ± 0.16, p=0.004; Behavior 4.9 ± 0.39 vs. 3.9 ± 0.3, p=0.008). Longer duration of diabetes, duration of pump use, and duration of CGM use were all associated with higher mean HFS-C Worry scores, but not with HFS-P Worry scores. The use of different insulin delivery systems was not associated with any HFS scores. Caregivers had a higher mean HFS Behavior score (4.8 ± 0.29) than youth (2.2 ± 0.078) (p <0.0001). The only clinical factor that was associated with a lower DTSQ-P score was higher GMI (β-coefficient -0.22 ± 0.11, p=0.05). These data suggest that despite recent advancements in diabetes technology, FOH and diabetes treatment satisfaction still remain significant concerns and need to be addressed in clinical contexts. Disclosure F. Abdulhussein: None. J. C. Wong: Advisory Panel; Self; Provention Bio, Inc., Research Support; Self; Dexcom, Inc., Tandem Diabetes Care.
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