Haematology and Oncologymiddle twist
A 64-year-old woman has had an estimated glomerular filtration rate of 26 mL/min/1.73 m² on two measurements 4 months apart. Her urine albumin:creatinine ratio is 8 mg/mmol, blood pressure is 138/82 mmHg and potassium is 4.7 mmol/L. She has no rapidly rising creatinine, systemic symptoms or urinary tract symptoms. Which is the most appropriate next step in her care?