Antegrade insertion of a double J catheter in the treatment of malignant ureteral obstruction: a retrospective analysis of the results obtained with a modified technique at a university hospital

Santos, Rômulo Florêncio Tristão; Tibana, Tiago Kojun; Marchiori, Edson; Nunes, Thiago Franchi

doi:10.1590/0100-3984.2019.0090

Cited by 3 publications

(4 citation statements)

References 14 publications

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“…A series of recently published studies conducted in Brazil have highlighted the importance of interventional radiology in the diagnosis and treatment of various diseases (1)(2)(3)(4)(5) . Devices such as percutaneous transhepatic biliary drains, plastic biliary stents, and metal biliary stents are widely used to alleviate biliary obstruction in patients with inoperable tumors and in those with benign, postinflammatory, or iatrogenic stenosis.…”

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confidence: 99%

Percutaneous solutions for biliary stent dysfunction: pictorial essay

et al. 2021

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Plastic and metal biliary stents can fail to function properly, such failure being due to a positioning error or to the migration, occlusion, or fracture of the stent. An obstructed biliary stent can act as a nidus, causing complications such as recurrent persistent cholangitis. It can also cause vascular complications (such as bleeding and the formation of pseudoaneurysms), perforate the liver capsule (causing biloma or abscess), or, in rare cases, cause intestinal obstruction or perforation. In this pictorial essay, we demonstrate various interventional radiology techniques for the treatment of biliary stent dysfunction in patients with obstructive biliary disease.

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Section: Introductionmentioning

confidence: 99%

Percutaneous solutions for biliary stent dysfunction: pictorial essay

et al. 2021

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“…( 1 , 2 ) It is an alternative to nephrostomy, which can be performed simultaneously or afterwards, offering lower risks of infection, accidental loss of nephrostomy, and increased patient’s quality of life. ( 3 , 4 )…”

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“…The most widespread technique is based on Seldinger catheterization of the collecting system. ( 3 ) Percutaneous access was performed using a Chiba needle under ultrasound guidance, followed by pyelography, which allowed for the insertion of a short 6 Fr sheath over a 0.035” Teflon J-tip guidewire. Transposition of the stenosing/obstructive lesion was performed using a hydrophilic guidewire.…”

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Alternative materials for antegrade implantation of a double-J catheter in a public health system

Gilberto¹,

Falsarella²,

Socolowski³

et al. 2023

Einstein (São Paulo)

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Antegrade double-J stenting as an alternative to the retrograde approach: experience of the first 150 cases at a single center in Brazil

et al. 2021

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Objective: To present our clinical experience with percutaneous antegrade ureteral stenting. Materials and Methods This was a single-center retrospective study in which we reviewed the electronic medical records of patients who underwent percutaneous image-guided antegrade ureteral stenting between January 2016 and August 2020. We evaluated 90 patients (48 men). The mean age was 61.4 ± 15 years (range, 30-94 years). Patients were divided into two main groups: those with malignant neoplasms; and those with non-neoplastic disease. Technical and clinical success of the procedure were defined, respectively, as maintenance of the patency of the urinary tract, with a reduction in the degree of hydronephrosis, and as a reduction in the level of nitrogenous waste. Postprocedural complications were categorized as major or minor according to the CIRSE classification. Results: The study sample comprised 150 antegrade stenting procedures performed in 90 patients, most of whom had previously undergone retrograde stenting that was unsuccessful. The stenting was bilateral in 60 patients and unilateral in 30. Technical success was achieved in 143 (95.3%) of the procedures, whereas seven procedures (4.6%) were unsuccessful. Failed procedures were characterized by inability to place a stent or migration of a stent after its placement. Complications occurred in 12 (8.0%) of the procedures. Of those 12 complications, two were classified as major (bleeding) and 10 were classified as minor (lumbar pain or infection). The most common techniques used were the over-the-wire technique and the modified technique (in 58.0% and 42.0% of the cases, respectively). In seven cases (4.7%), a nephrostomy tube was inserted. Conclusion: Percutaneous antegrade ureteral stenting is a safe, effective method for the management of ureteral injuries and obstructions, due to malignant or benign causes, when the retrograde approach has failed.

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Antegrade insertion of a double J catheter in the treatment of malignant ureteral obstruction: a retrospective analysis of the results obtained with a modified technique at a university hospital

Cited by 3 publications

References 14 publications

Percutaneous solutions for biliary stent dysfunction: pictorial essay

Percutaneous solutions for biliary stent dysfunction: pictorial essay

Alternative materials for antegrade implantation of a double-J catheter in a public health system

Antegrade double-J stenting as an alternative to the retrograde approach: experience of the first 150 cases at a single center in Brazil

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