Journal
ULTRASOUND IN MEDICINE AND BIOLOGY
Volume 42, Issue 9, Pages 2180-2188Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ultrasmedbio.2016.04.015
Keywords
Percutaneous nephrostomy; Ultrasound; Contrast agents; Kidney; Complication
Funding
- Bad Mergentheimer Leberzentrum
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The aim of this study was to evaluate the feasibility and utility of intra-cavitary contrast enhanced ultrasound (ICCEUS) in guiding percutaneous nephrostomy (PCN) and assessing complications. Forty-five ultrasound-guided PCNs were performed in 35 patients with hydronephrosis resulting from urinary tract obstruction. Ultrasound contrast agent (0.1 mL diluted in 20-30 mL saline) was injected through the puncture needle and the drainage tube to precisely locate the device and obstruction, with the fluoroscopy results considered the gold standard. ICCEUS was performed again the next day to assess complications. All 45 PCNs were successfully performed under the guidance of ultrasound. With ICCEUS, we could confirm the correct insertion of needle and catheter and locate the obstruction in all 35 patients, with fluoroscopic results as the gold standard. Catheter dislodgement was diagnosed by administration of ultrasound contrast agent in 5 patients. Hematoma (1 patient) and urine leakage (1 patient) were also observed. With the advantages of lack of exposure to radiation, performance in real time and bedside availability, ICCEUS has the potential to become a new modality to guide PCN and assess catheter-related complications. (C) 2016 World Federation for Ultrasound in Medicine & Biology.
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