Continuous glucose monitoring and the reality of metabolic control in preschool children with type 1 diabetes

被引:42
作者
Jeha, GS
Karaviti, LP
Anderson, B
Smith, EO
Donaldson, S
McGirk, TS
Haymond, MW
机构
[1] Texas Childrens Hosp, Clin Care Ctr, Sect Pediat Endocrinol & Metab, Houston, TX 77030 USA
[2] Baylor Coll Med, Sect Pediat Endocrinol & Metab, Houston, TX 77030 USA
关键词
D O I
10.2337/diacare.27.12.2881
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
OBJECTIVE - To determine using the MiniMed continuous glucose monitoring system (CGMS) 1) whether twice-daily insulin injection therapy achieves adequate control in preschool children with type 1 diabetes and 2) whether the CGMS is more informative than self-monitoring of blood glucose (SMBG) regarding glucose control and well tolerated by preschool children and their families. RESEARCH DESIGN AND METHODS - Ten children <6 years of age with type 1 diabetes were monitored twice using the CGMS. The distribution of glucose values was analyzed, particularly the frequency, duration, and distribution of hypoglycemia. We analyzed the accuracy of the CGMS in detecting hypoglycemia as well as the clinical relevance of the difference between CGMS and SMBG values. RESULTS - Although hypoglycemia was more frequent during the night (0.8 nighttime episodes (.) subject(-1) (.) 24 h(-1) vs. 0.3 daytime episodes (.) subject(-1) (.) 24 h(-1)), the difference did not reach statistical significance (P = 0.07). However, nighttime episodes lasted longer than daytime episodes (1.2 vs. 0.2 h(-1) (.) subject (.) 24 h(-1), P = 0.006). Hypoglycerma accounted for 7% and normoglycemia or 24%, w i e yperglycemia occurred 64% of the time, with postprandial hyperglycemia being an almost universal feature (94 +/- 7% of all postmeal values). The CGMS correlated well with SMBG without significant clinical discrepancy. The CGMS sensitivity to detect hypoglycemia was 70% with a specificity of 99%; however, the CGMS detected twice as many total episodes as SMBG (82 vs. 40). CONCLUSIONS - Twice-daily insulin injection rarely achieves control in preschool children with type 1 diabetes. The CGMS is well tolerated by patients and has the advantage of revealing daily glucose trends missed by SMBG.
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页码:2881 / 2886
页数:6
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