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Severe Hypoglycemia: Is It Still a Threat for Children and Adolescents With Type 1 Diabetes?
1Department of Pediatrics, Nihon University School of Medicine, Tokyo, Japan.
Insights
Severe hypoglycemia in children with type 1 diabetes can cause serious harm and even death. Advanced technologies like hybrid closed-loop systems show promise in preventing severe hypoglycemia while maintaining glycemic control.
Area of Science:
- Pediatric Endocrinology
- Metabolic Disorders
- Neurology
Background:
- Severe hypoglycemia, characterized by cognitive dysfunction and requiring external assistance, is a life-threatening complication in pediatric type 1 diabetes.
- It is associated with neurological sequelae, including cognitive deficits and brain structure abnormalities, as well as negative psychosocial outcomes.
- While risk factors like younger age and impaired awareness exist, low HbA1c is not a reliable predictor of severe hypoglycemia.
Purpose of the Study:
- To review the current understanding of severe hypoglycemia in pediatric type 1 diabetes.
- To highlight the challenges and critical importance of preventing severe hypoglycemia.
- To discuss the role of advanced technologies in managing this condition.
Main Methods:
- Literature review of studies on severe hypoglycemia in pediatric type 1 diabetes.
- Analysis of risk factors, neurological and psychosocial outcomes.
- Evaluation of emerging technologies for hypoglycemia prevention.
Main Results:
- Incidence of severe hypoglycemia has declined, with a weaker correlation to glycemic control than previously reported.
- Neurological and psychosocial consequences of severe hypoglycemia are significant.
- Continuous glucose monitoring (CGM) and hybrid closed-loop systems show potential in minimizing severe hypoglycemia events.
Conclusions:
- Prevention of severe hypoglycemia is a paramount concern in managing pediatric type 1 diabetes.
- Advanced technologies, particularly hybrid closed-loop systems, offer a promising approach to achieve optimal glycemic control and reduce severe hypoglycemia.
- Further research and implementation of these technologies are crucial for improving patient outcomes.
Abstract:
Severe hypoglycemia is defined as a condition with serious cognitive dysfunction, such as a convulsion and coma, requiring external help from other persons. This condition is still lethal and is reported to be the cause of death in 4-10% in children and adolescents with type 1 diabetes. The incidence of severe hypoglycemia in the pediatric population was previously reported as high as more than 50-100 patient-years; however, there was a decline in the frequency of severe hypoglycemia during the past decades, and relationship with glycemic control became weaker than previously reported. A lot of studies have shown the neurological sequelae with severe hypoglycemia as cognitive dysfunction and abnormalities in brain structure. This serious condition also provides negative psychosocial outcomes and undesirable compensatory behaviors. Various possible factors, such as younger age, recurrent hypoglycemia, nocturnal hypoglycemia, and impaired awareness of hypoglycemia, are possible risk factors for developing severe hypoglycemia. A low HbA1c level is not a predictable value for severe hypoglycemia. Prevention of severe hypoglycemia remains one of the most critical issues in the management of pediatric patients with type 1 diabetes. Advanced technologies, such as continuous glucose monitoring (CGM), intermittently scanned CGM, and sensor-augmented pump therapy with low-glucose suspend system, potentially minimize the occurrence of severe hypoglycemia without worsening overall glycemic control. Hybrid closed-loop system must be the most promising tool for achieving optimal glycemic control with preventing the occurrence of severe hypoglycemia in pediatric patients with type 1 diabetes.
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