Recurrent Euglycemic Diabetic Ketoacidosis Precipitated by Diabetic Myonecrosis in a Patient with Type 1 Diabetes Mellitus
Abstract
Background/objective: Euglycemic diabetic ketoacidosis (eDKA) is a well-recognized complication with sodium linked cotransport of glucose-2 inhibitor (SGLT2i) use. Recurrent eDKA is an infrequently described entity. We describe a patient with recurrent eDKA precipitated by diabetic myonecrosis.
Case report: A 48-year-old male with Diabetes Mellitus treated with empagliflozin and insulin, presented with left thigh pain and anorexia. Physical examination was notable for BMI 16 kg/m2 and left thigh tender induration. Laboratory evaluation revealed pH 7.1, bicarbonate 10 mmol/L, anion gap 32 mmol/L, glucose 168 mg/dl, erythrocyte sedimentation rate 67 mm/hr, Creatine Kinase 31 U/L, glucosuria (4+), ketonuria (4+), HbA1c 11.3%, C-peptide <0.5 ng/ml and glutamic acid decarboxylase antibody titer 64.3 IU/ml. He was diagnosed with eDKA due to SGLT2i use. Empagliflozin was discontinued. MRI of the left thigh revealed diabetic myonecrosis. He was treated with insulin infusion leading to eDKA resolution on hospital day 3. On hospital day 5, bicarbonate was 15 mmol/L, anion gap 18 mmol/L, beta-hydroxybutyrate 49.6 mg/dl, glucose 185 mg/dl, glucosuria (4+) and ketonuria (4+). Recurrent eDKA was diagnosed. Insulin infusion was re-started, causing resolution. The patient was treated with cefazolin and underwent surgical debridement of necrotic muscle.
Discussion: The risk of eDKA with SGLT2i use is increased in patients with T1DM with decreased oral intake, surgery or trauma. Although the…
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