Effect of Papaverine on Renal Artery Blood Flow Volume

Effect of Papaverine on Intraoperative Renal Artery Blood Flow Volume in Patients Undergoing Robot-assisted Partial Nephrectomy : a Randomized, Placebo-controlled Study

The purpose of this study is to evaluate the effect of papaverine on renal artery blood flow after declamping of renal artery.

The purpose of this study is to evaluate the effect of papaverine on renal artery blood flow after declamping of renal artery in patients undergoing robot assisted partial nephrectomy.

Inclusion Criteria:

• Patients diagnosed with kidney cancer.
• Patients undergoing robot assisted partial nephrectomy under general anesthesia
• 20 years old ≤ age <80 years old
• Patients who voluntarily agreed to this clinical study
• eGFR ≥ 60 ml / min / 1.73 m2 (Chronic Kidney Disease Epidemiology Patients with Collaboration)

Exclusion Criteria:

• The tumor ≥ 7 cm in size
• Multiple renal mass
• If the surgery plan is changed due to open
• When surgery is performed together with other surgery
• Multiple renal artery
• Patients with hypersensitivity to papaverine
• Patients with atrioventricular block
• Pregnant and lactating women
• Patients using levodopa
• Refusal of patient