Acute Kidney Injury, Chronic Kidney Disease, Glomerulonephritis, Proteinuric renal diseases, Hypertension, Diabetic Kidney disease, Haemodialysis, Peritoneal Dialysis, Kidney transplant workup and management in post-transplant period, perform percutaneous native and transplant kidney biopsies under local anaesthesia, insertion of haemodialysis and peritoneal dialysis catheters under local anaesthesia.