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Open access

Shinobu Takayasu, Shingo Murasawa, Satoshi Yamagata, Kazunori Kageyama, Takeshi Nigawara, Yutaka Watanuki, Daisuke Kimura, Takao Tsushima, Yoshiyuki Sakamoto, Kenichi Hakamada, Ken Terui and Makoto Daimon

Summary

Patients with Cushing’s syndrome and excess exogenous glucocorticoids have an increased risk for venous thromboembolism, as well as arterial thrombi. The patients are at high risk of thromboembolic events, especially during active disease and even in cases of remission and after surgery in Cushing’s syndrome and withdrawal state in glucocorticoid users. We present a case of Cushing’s syndrome caused by adrenocorticotropic hormone-secreting lung carcinoid tumor. Our patient developed acute mesenteric ischemia after video-assisted thoracoscopic surgery despite administration of sufficient glucocorticoid and thromboprophylaxis in the perioperative period. In addition, our patient developed hepatic infarction after surgical resection of the intestine. Then, the patient was supported by total parenteral nutrition. Our case report highlights the risk of microthrombi, which occurred in our patient after treatment of ectopic Cushing’s syndrome. Guidelines on thromboprophylaxis and/or antiplatelet therapy for Cushing’s syndrome are acutely needed.

Learning points:

  • The present case showed acute mesenteric thromboembolism and hepatic infarction after treatment of ectopic Cushing’s syndrome.

  • Patients with Cushing’s syndrome are at increased risk for thromboembolic events and increased morbidity and mortality.

  • An increase in thromboembolic risk has been observed during active disease, even in cases of remission and postoperatively in Cushing’s syndrome.

  • Thromboprophylaxis and antiplatelet therapy should be considered in treatment of glucocorticoid excess or glucocorticoid withdrawal.

Open access

Betty Korljan Jelaska, Sanja Baršić Ostojić, Nina Berović and Višnja Kokić

Summary

Glycogen storage disease (GSD) type I is characterized by impaired production of glucose from glycogenolysis and gluconeogenesis resulting in severe hypoglycaemia and increased production of lactic acid, triglyceride and uric acid. The most common type, glycogenosis type Ia, demands a balanced, sufficient carbohydrate intake to preserve normal 24-h glycaemia. Insufficient intake of carbohydrates can cause hypoglycaemia, as the missing glucose-6-phosphatase enzyme cannot free the glucose stored as liver glycogen and nor is gluconeogenesis possible. The principle means of handling this disorder is to avoid starving by taking regular meals during the day and night. Such a dietary regimen could lead to obesity. Herein, we present the case of an adult patient with glycogenosis type Ia suffering from hyperuricaemia, dyslipidaemia and arterial hypertension. The accumulation of these cardiovascular risk factors could lead to the early onset of atherosclerosis, which should be postponed by contemporary methods of surveillance and treatment.

Learning points

  • Continuous subcutaneous glucose monitoring may be of value in every adult patient with GSD type I to evaluate the actual prevalence of eventual hypoglycaemic and hyperglycaemic episodes.

  • Good dietary management minimizes the metabolic abnormalities of the disease and decreases the risk of long-term complications.

  • Treatment of obesity in patients with GSD reduces the risk of earlier atherosclerosis and cardiovascular disease.