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SUMMARYAlthough glucocorticoids have a known negative effect on calcium balance, they do not normally cause clinically significant hypocalcaemia. A young woman with postsurgical hypoparathyroidism developed symptomatic hypocalcaemia on two occasions following treatment with intravenous hydrocortisone for allergic reactions. Oral calcium and vitamin D supplementation could not prevent the development of hypocalcaemia. She was treated successfully with intravenous calcium gluconate infusions and discontinuation of glucocorticoids. In patients with hypoparathyroidism, impaired parathyroid hormone response to steroid-induced negative calcium balance may result in severe symptomatic hypocalcaemia requiring hospitalisation. BACKGROUND

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Hemolytic anemia due to abnormalities of the erythrocyte membrane comprises an important group of inherited disorders. These include hereditary spherocytosis, hereditary elliptocytosis, hereditary pyropoikilocytosis, and the hereditary stomatocytosis syndromes. The erythrocyte membrane skeleton composed of spectrin, actin, and several other proteins is essential for the maintenance of the erythrocyte shape, reversible deformability, and membrane structural integrity in addition to controlling the lateral mobility of integral membrane proteins. These disorders are characterized by clinical and laboratory heterogeneity and, as evidenced by recent molecular studies, by genetic heterogeneity. Defects in various proteins involved in linking the lipid bilayer to membrane skeleton result in loss in membrane cohesion leading to surface area loss and hereditary spherocytosis while defects in proteins involved in lateral interactions of the spectrin-based skeleton lead to decreased mechanical stability, membrane fragmentation and hereditary elliptocytosis. The disease severity is primarily dependent on the extent of membrane surface area loss. Treatment with splenectomy is curative in most patients.

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In this paper, the case of a 34-year-old male with sickle cell disease, recurrent episodes of ‘girdle syndrome’, and development of chronic ischaemic colitis is reported. At his last admission to the hospital, he presented with ileus attributed to severe intestinal ischaemia. During his hospitalisation, despite optimal supportive treatment, he developed acute liver failure, possibly as a result of acute intrahepatic cholestasis, a rare but fatal complication of sickle cell disease, and died from sepsis and multiorgan failure.

Many cases of pneumonia clustered in the city of Wuhan, China, were reported in December 2019, and source tracing has showed Huanan Seafood Market, Wuhan, China, as the origin. In this work, the authors summarise their concerns for thalassaemia patients, a unique group with several heart, liver, and blood comorbidities.