https://www.selleckchem.com/pr....oducts/4-Methylumbel
Background Delayed bleeding after percutaneous nephrolithotomy (PCNL), which may occur within the first 3 weeks postoperatively, is a life-threatening complication that may result from arteriovenous fistula and arterial pseudoaneurysm. Angioembolization is the standard treatment when these patients develop hemodynamic instability despite conservative measures. Contrast hypersensitivity and renal insufficiency, however, contraindicate angiogram and subsequent embolization; in these patients, alternative methods such a