A case of type 1 diabetes with frequent hypoglycemic episodes induced by primary hypothyroidism

Masahiro Asakawa, Arisa Niwa, Momoko Akihisa, Mizuho Sawada, Atsuko Miyake, Mitsunobu Kawamura, Yoshihiro Ogawa

Research output: Contribution to journalArticle

Abstract

A 46-year-old male was admitted due to recurrent hypoglycemic episodes. He developed diabetes mellitus in 2000 and became insulin-dependent in 2006. Following the initiation of insulin treatment, his glycemic control stabilized (HbAlc: 6 % to 7 %). However, in 2013 (at 46 years of age), the frequency of the hypoglycemic episodes increased starting three months prior to hospitalization, which occurred after the patient experienced a low-grade fever for approximately three weeks. Symptoms such as easy fatigability, coldness, hypohidrosis and weight gain were noted concomitantly with the onset of frequent hypoglycemic episodes. He was diagnosed with primary hypothyroidism, and thyroid hormone replacement therapy was started. As a result of switching the patient's insulin therapy from multiple injections to an insulin pump in the hospital, the hypoglycemic episodes became infrequent The patient's frequent hypoglycemic episodes were thought to be induced by primary hypothyroidism due to destructive thyroiditis complicating type 1 diabetes. Thyroid hormone deficiency delays the intestinal absorption of glucose, decreases gluconeogenesis in the liver and impairs glucagon secretion as the counterregulatory response to hypoglycemia Accordingly, hypothyroidism can cause hypoglycemia This case serves as a reminder that hypothyroidism should be taken into consideration as a possible cause of hypoglycemia.

Original languageEnglish
Pages (from-to)242-248
Number of pages7
JournalJournal of the Japan Diabetes Society
Volume57
Issue number4
Publication statusPublished - 2014
Externally publishedYes

Fingerprint

Hypothyroidism
Type 1 Diabetes Mellitus
Hypoglycemic Agents
Hypoglycemia
Insulin
Thyroid Hormones
Hypohidrosis
Thyroiditis
Gluconeogenesis
Hormone Replacement Therapy
Intestinal Absorption
Glucagon
Weight Gain
Diabetes Mellitus
Hospitalization
Fever
Glucose
Injections
Liver
Therapeutics

All Science Journal Classification (ASJC) codes

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

Cite this

Asakawa, M., Niwa, A., Akihisa, M., Sawada, M., Miyake, A., Kawamura, M., & Ogawa, Y. (2014). A case of type 1 diabetes with frequent hypoglycemic episodes induced by primary hypothyroidism. Journal of the Japan Diabetes Society, 57(4), 242-248.

A case of type 1 diabetes with frequent hypoglycemic episodes induced by primary hypothyroidism. / Asakawa, Masahiro; Niwa, Arisa; Akihisa, Momoko; Sawada, Mizuho; Miyake, Atsuko; Kawamura, Mitsunobu; Ogawa, Yoshihiro.

In: Journal of the Japan Diabetes Society, Vol. 57, No. 4, 2014, p. 242-248.

Research output: Contribution to journalArticle

Asakawa, M, Niwa, A, Akihisa, M, Sawada, M, Miyake, A, Kawamura, M & Ogawa, Y 2014, 'A case of type 1 diabetes with frequent hypoglycemic episodes induced by primary hypothyroidism', Journal of the Japan Diabetes Society, vol. 57, no. 4, pp. 242-248.
Asakawa M, Niwa A, Akihisa M, Sawada M, Miyake A, Kawamura M et al. A case of type 1 diabetes with frequent hypoglycemic episodes induced by primary hypothyroidism. Journal of the Japan Diabetes Society. 2014;57(4):242-248.
Asakawa, Masahiro ; Niwa, Arisa ; Akihisa, Momoko ; Sawada, Mizuho ; Miyake, Atsuko ; Kawamura, Mitsunobu ; Ogawa, Yoshihiro. / A case of type 1 diabetes with frequent hypoglycemic episodes induced by primary hypothyroidism. In: Journal of the Japan Diabetes Society. 2014 ; Vol. 57, No. 4. pp. 242-248.
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