Second, the patient should know the renal function before operation, check the isotope renogram to know the renal function, and do B-ultrasound to know the size, position and activity of the right kidney.
Third, check the patient's blood type and whether there is severe anemia.
Four, take or intramuscular injection of vitamin K two days before renal puncture surgery, and do not use anticoagulant drugs one week before renal puncture surgery.
Five, patients with acute renal failure in addition to the detection of prothrombin time before renal puncture, should also determine the thromboplastin time, in addition to check the number of platelets, but also should always check the platelet function, if found abnormal, should be corrected before surgery. If the number and function of platelets are abnormal, fresh platelets can be infused before puncture. Prolonged bleeding time can be corrected by infusion rich in coagulation factors.
Six, patients should check whether there are any complications after renal puncture, and handle them in time if there are any complications.