scholarly journals Predicting the failure of retrograde ureteral stent insertion for managing malignant ureteral obstruction in outpatients

2015 ◽  
Vol 11 (1) ◽  
pp. 879-883 ◽  
Author(s):  
JIN-YOU WANG ◽  
HAI-LIANG ZHANG ◽  
YAO ZHU ◽  
XIAO-JIAN QIN ◽  
BO DAI ◽  
...  
Keyword(s):  
Ureteral Obstruction ◽  
Ureteral Stent ◽  
Stent Insertion ◽  
Malignant Ureteral Obstruction

scholarly journals The resonance® metallic ureteral stent in the treatment of malignant ureteral obstruction: a prospective observational study

BMC Urology ◽  
2019 ◽  
Vol 19 (1) ◽  
Author(s):  
Jun Miyazaki ◽  
Mizuki Onozawa ◽  
Satoshi Takahashi ◽  
Yuka Maekawa ◽  
Mitsuru Yasuda ◽  
...  
Keyword(s):  
Ureteral Obstruction ◽  
Ureteral Stent ◽  
Stent Insertion ◽  
Ureteral Stricture ◽  
Metallic Stent ◽  
Ureteric Stenting ◽  
Malignant Ureteral Obstruction ◽  
Ureteral Stenting ◽  
The Difference

Abstract Background To study the outcomes and experiences of using metallic stents in treating patients with malignant ureteral obstruction (MUO), we examined the effects of metallic ureteral stenting using the Cook Resonance® stent in the treatment of MUO. Methods All patients who had a Resonance metallic stent inserted between April 2015 and March 2018 at one of multiple facilities were prospectively observed with a 1-year follow-up. The primary outcome was the patency rate of the metallic ureteral stent. The secondary outcomes included the complications (e.g., infection and fever). Results Although stent insertion was attempted in 50 patients, the stent could not be inserted as a ureteral stent in three patients due to severe ureteral stricture, and one ureteral cancer patient was excluded from the analysis. The remaining 46 patients’ median age was 67 years (range 28–85 years) (16 males, 30 females). Twenty-four patients died during the study; their median survival time was 226 days. The median follow-up period for the censored patients was 355 days (range 16–372 days), and just seven patients were still alive without Resonance failure > 1 year later. The women’s IPSS scores tended to be lower than those of the men. Regarding the OABSS score, although the women’s total score tended to be low, the difference between the men’s and women’s scores was nonsignificant. The bacteria detected from urine culture after stent insertion were more gram-positive than gram-negative. Conclusion Metallic ureteric stenting using the Resonance stent is safe and effective for treating MUO. Subjective symptoms were relatively less in the female patients.

Parallel Second Stent Placement for Refractory Ureteral Stent Malfunction in Malignant Ureteral Obstruction

2011 ◽  
Vol 22 (7) ◽  
pp. 1012-1016 ◽  
Author(s):  
Hung-Chieh Chen ◽  
Shu-Huei Shen ◽  
Jia-Hwia Wang ◽  
William J.S. Huang ◽  
Hsiou-Shan Tseng ◽  
...  
Keyword(s):  
Stent Placement ◽  
Ureteral Obstruction ◽  
Ureteral Stent ◽  
Malignant Ureteral Obstruction

scholarly journals A Prospective Randomized Comparison of a Covered Metallic Ureteral Stent and a Double-J Stent for Malignant Ureteral Obstruction

2018 ◽  
Vol 19 (4) ◽  
pp. 606 ◽  
Author(s):  
Jong Woo Kim ◽  
Bumsik Hong ◽  
Ji Hoon Shin ◽  
Jihong Park ◽  
Jin Hyoun Kim ◽  
...  
Keyword(s):  
Ureteral Obstruction ◽  
Ureteral Stent ◽  
Double J Stent ◽  
Malignant Ureteral Obstruction

scholarly journals Bilateral Encrusted Metallic Stent Successfully Removed by Ureteroscopic Lithotripsy Using a Ho:YAG Laser in a Patient with Malignant Myeloma

2020 ◽  
Vol 13 (3) ◽  
pp. 1501-1505
Author(s):  
Takahiro Hanai ◽  
Takashi Kawahara ◽  
Hiroaki Ishida ◽  
Shinnosuke Kuroda ◽  
Toshitaka Miyai ◽  
...  
Keyword(s):  
Laser Lithotripsy ◽  
Ureteral Stent ◽  
Stent Insertion ◽  
Metallic Stent ◽  
Ureteral Stents ◽  
Ureteroscopic Lithotripsy ◽  
Ho:Yag Laser ◽  
Malignant Ureteral Obstruction ◽  
Stent Exchange ◽  
Endoscopic Lithotripsy

Ureteral stent encrustation is sometimes encountered, especially in cases in which a ureteral stent has been forgotten. An 84-year-old female patient with malignant myeloma underwent metallic ureteral stent insertion to treat malignant ureteral obstruction. At the time of scheduled ureteral stent exchange, the stent was heavily encrusted and could not be removed on either side. We performed endoscopic lithotripsy to remove the encrusted ureteral stents. The bilaterally encrusted metallic ureteral stents were successfully removed using Ho:YAG laser lithotripsy after inserting another ureteral stent placement besides the encrusted metallic ureteral stents.

Metal Ureteral Stent for Benign and Malignant Ureteral Obstruction

2011 ◽  
Vol 185 (6) ◽  
pp. 2217-2222 ◽  
Author(s):  
Aaron D. Benson ◽  
Eric R. Taylor ◽  
Bradley F. Schwartz
Keyword(s):  
Ureteral Obstruction ◽  
Ureteral Stent ◽  
Malignant Ureteral Obstruction

Covered metallic ureteral stent in the management of malignant ureteral obstruction: preliminary results

Urology ◽  
2001 ◽  
Vol 58 (6) ◽  
pp. 919-923 ◽  
Author(s):  
M.IlteriŞ. Tekin ◽  
Cüneyt Aytekin ◽  
Cem Aygün ◽  
Levent PeŞkircioğlu ◽  
Fatih Boyvat ◽  
...  
Keyword(s):  
Ureteral Obstruction ◽  
Ureteral Stent ◽  
Preliminary Results ◽  
Malignant Ureteral Obstruction

scholarly journals Patency period of a metallic ureteral stent and its determinants in patients with malignant ureteral obstruction: a prospective review

2021 ◽  
Vol 27 (1) ◽  
Author(s):  
Yasuyuki Kobayashi ◽  
Hiroki Arai ◽  
Masahito Honda
Keyword(s):  
Serum Creatinine ◽  
Stent Placement ◽  
Ureteral Obstruction ◽  
Normal Serum ◽  
Ureteral Stent ◽  
Stent Patency ◽  
Extrinsic Compression ◽  
Malignant Ureteral Obstruction ◽  
One Year ◽  
Normal Serum Creatinine

Abstract Background Malignant ureteral obstruction caused by extrinsic compression of a primary malignant tumour or by metastatic disease is an indicator of poor prognosis with a median life expectancy of about one year. We examined clinical outcomes following Resonance Metallic Ureteral Stent (Cook Medical, Bloomington, IN) placement in patients with malignant ureteral obstruction. Methods This was a prospective study of patients with malignant ureteral obstruction who underwent Resonance Metallic Ureteral Stent placement from April 2016 to March 2021. We registered 21 patients (27 collecting systems) with malignant ureteral obstruction and observed them prospectively. The patients first underwent polymer ureteral stent placement followed by replacement with a metallic ureteral stent one month later. Primary outcome was the metallic ureteral stent patency period based on both serum creatinine and the level of hydronephrosis; secondary outcomes were factors affecting patency period and stent-related complications such as symptoms of obstruction (flank pain), bladder irritation, haematuria, and urinary tract infection (presence or absence of fever). Results The study comprised 21 patients (six men, 15 women) with a mean age of 72 years. The median stent patency period in days was not available (NA) (95% CI 210–NA) due to the inability to extract this value from the Kaplan–Meier curve because the event rate did not reach 50%, and the one-year patency rate was 59.2% (95% CI 23.2–82.9). A normal serum creatinine (0.65 to 1.07 mg/dL for men and 0.46 to 0.79 mg/dL for women) one week after polymer ureteral stent placement was a significant factor affecting the long-term metallic ureteral stent patency period. There were no major complications. Conclusion The Resonance Metallic Ureteral Stent was effective and safe for patients with malignant ureteral obstruction. A normal serum creatinine level one week after placement of a polymer ureteral stent may predict a longer patency period of metallic ureteral stents in patients with malignant ureteral obstruction.

Factors Associated with Ureteral Stent Failure in Patients with Malignant Ureteral Obstruction

2022 ◽  
Author(s):  
Nicholas Alexander Pickersgill ◽  
B. Malik Wahba ◽  
Joel M. Vetter ◽  
Sky Jin Cope ◽  
Nimrod Shabtai Barashi ◽  
...  
Keyword(s):  
Ureteral Obstruction ◽  
Ureteral Stent ◽  
Factors Associated ◽  
Malignant Ureteral Obstruction
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