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Review
. 2017 Sep 1;9(3):194-201.
doi: 10.4274/jcrpe.3934. Epub 2017 Mar 8.

Congenital Hyperinsulinism in China: A Review of Chinese Literature Over the Past 15 Years

Wei Yan Wang, Yi Sun, Wen Ting Zhao, Tai Wu, Liang Wang, Tian Ming Yuan, Hui Min Yu  1
Affiliations
Review

Congenital Hyperinsulinism in China: A Review of Chinese Literature Over the Past 15 Years

Wei Yan Wang et al. J Clin Res Pediatr Endocrinol. .

Abstract

Objective: Congenital hyperinsulinism (CHI) is a rare but severe cause of hypoglycemia. The present study investigates the clinical presentation, therapeutic outcomes and genetic mutations of CHI in Chinese individuals over the past 15 years.

Methods: The authors retrospectively reviewed one case in their department and 206 cases reported from January 2002 to October 2016 in China. PubMed, Ovid Medline, Springer and Wanfang Database, CBMD database, and CKNI database were the sources used to collect the data.

Results: In total, 207 cases were recruited. Of these, the ages of 100 (48.3%) were within the 4th week after birth. Seventy-seven cases (37.2%) were born large for gestational age (LGA). Seizures occurred in 140 cases (67.6%). Among 140 cases (67.6%) who were administered diazoxide treatment, 90 (64.3%) were responsive. Seven cases (3.4%) received octreotide treatment and 19 cases (9.2%) underwent surgery. 63/129 cases (48.8%) were detected to have gene mutations, including ABCC8 (69.8%), KCNJ11 (12.7%), GLUD1, GCK, HADH, and HNF4A. Among the diazoxide-unresponsive cases, gene mutations were detected in 20/36 (55.6%) cases with ABCC8 and in 2 (5.6%) cases with KCNJ11. Among the diazoxide-responsive cases, gene mutations were detected in 8 patients with ABCC8, 4 with KCNJ11, 5 with GLUD1, and 1 with GCK.

Conclusion: The present study indicates that most CHI cases occurred in neonates and that 1/3 of the cases were born LGA. ABCC8 and KCNJ11 are the most common gene mutations. More than half of the diazoxide-unresponsive CHI detected mutations are in ABCC8 and KCNJ11 genes. The GLUD1 gene mutations cause diazoxide-responsive CHI. Identifying the gene mutations can assist in the diagnosis and treatment of CHI.

Keywords: Congenital hyperinsulinism; clinical presentation gene mutation.; neonate.

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Figures

Figure 1
Figure 1. Gene mutation distribution of 63 cases detected in 129 cases
See this image and copyright information in PMC

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