Urology · 2018
Duplex Ultrasound-guided Direct Percutaneous Management of Pseudoaneurysm of Branch of Segmental Renal Artery: Technique and Its Outcome.
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Manoj Kumar, Garg Gaurav, Nagathan Deepak, Verma Sanjeev Kumar, Kohli Neera, Kumar Santosh, Pandey Sant Kumar, Sankhwar Satya Narayan
Аннотация
OBJECTIVE: To describe the role of duplex ultrasound imaging (DUI) in prompt diagnosis of pseudoaneurysm (PSA) of a branch of the segmental renal artery (b-SRA) and to evaluate outcomes of DUI directed percutaneous embolization.
MATERIALS AND METHODS: Forty-five patients were referred to us for the management of intractable renal hematuria. A total of 20 cases (44.44%) had developed PSA after nephrolithotomy, 12 cases (12.66%) had developed PSA after guided renal biopsies, 6 cases (13.33%) had developed PSA following road side trauma, and 2 cases (4.44%) of the tuberous sclerosis complex had developed PSA. Three cases (6.66%) of arteriovenous and 2 cases (4.44%) of arteriocalyceal fistulae had been excluded from the study. DUI-guided direct percutaneous management (DPM) was done as a 4-step process. First is the identification of PSA sac in the neck and offending b-SRA. Second is the puncture of PSA sac with 18 g puncture needle under DUI. Subsequently, manual injection of temporary embolic agent was done followed by N-butyl cyanoacrylate glue. Thrombosis of the PSA sac was confirmed by absent flow on DUI.
RESULTS: Forty cases of b-SRA were managed successfully in a single session and followed up by clinical findings, DUI, and computed tomography angiography. There was no need for the second session of DPM, transarterial embolization, or surgery in this cohort. Twelve cases (30%) had developed a mild fever and were managed conservatively. All 40 cases had no evidence of renal hematuria after follow-up of 3 months.
CONCLUSION: DUI-guided DPM is a safe, feasible, cost-effective, and nephron-sparing promising alternative to TAE or surgery for management of PSA of b-SRA.
MATERIALS AND METHODS: Forty-five patients were referred to us for the management of intractable renal hematuria. A total of 20 cases (44.44%) had developed PSA after nephrolithotomy, 12 cases (12.66%) had developed PSA after guided renal biopsies, 6 cases (13.33%) had developed PSA following road side trauma, and 2 cases (4.44%) of the tuberous sclerosis complex had developed PSA. Three cases (6.66%) of arteriovenous and 2 cases (4.44%) of arteriocalyceal fistulae had been excluded from the study. DUI-guided direct percutaneous management (DPM) was done as a 4-step process. First is the identification of PSA sac in the neck and offending b-SRA. Second is the puncture of PSA sac with 18 g puncture needle under DUI. Subsequently, manual injection of temporary embolic agent was done followed by N-butyl cyanoacrylate glue. Thrombosis of the PSA sac was confirmed by absent flow on DUI.
RESULTS: Forty cases of b-SRA were managed successfully in a single session and followed up by clinical findings, DUI, and computed tomography angiography. There was no need for the second session of DPM, transarterial embolization, or surgery in this cohort. Twelve cases (30%) had developed a mild fever and were managed conservatively. All 40 cases had no evidence of renal hematuria after follow-up of 3 months.
CONCLUSION: DUI-guided DPM is a safe, feasible, cost-effective, and nephron-sparing promising alternative to TAE or surgery for management of PSA of b-SRA.