ABSTRACT
Objectives: To investigate why a tertiary hospital has a high number of patients with type 2 diabetes presenting with diabetic ketoacidosis. Method(s): An audit was carried out looking at all of the inpatient admissions for diabetic ketoacidosis in patients with type 2 diabetes between 2021 and 2022. Any patient with a coding of diabetic ketoacidosis and type 2 diabetes had their inpatient clinical notes evaluated using the following criteria: 1) Were the criteria for diabetes ketoacidosis met? 2) Patient age. 3) Patient anti-diabetic medications. 4) If relevant, who prescribed a sodium-glucose cotransporter- 2 inhibitor and was sick day rule advice given? 5) Did the patient have a concurrent Covid-19 infection? Results: Almost a quarter of patients (24%) included in this audit did not fulfil the diagnostic criteria for diabetic ketoacidosis. For those that did: -Over a quarter of patients (26%) were on sodium-glucose cotransporter-2 inhibitors with the majority being commenced by GPs (81%). There was no documentation as to whether sick day rule advice had been given. -Only 7% of patients had a concurrent Covid-19 infection. -The majority of patients (68%) were aged less than 75 years. Conclusion(s): Coding on discharge summaries is important and junior doctors may need further guidance with regards to the diagnostic criteria for diabetic ketoacidosis. Sodium-glucose cotransporter-2 inhibitors inhibitors are a significant cause of diabetic ketoacidosis in patients with type 2 diabetes and patient sick day rule advice is needed prior to initiation. Covid-19 infection wasn't found to be a significant causative factor.