Evolution of the Ureteral Stent: The Pivotal Role of the Gibbons Ureteral Catheter

Donahue, Ryan; Stamm, Andrew; Gibbons, Robert P.; Porter, Christopher R.; Kobashi, Kathleen C.; Corman, John M.; Lee, Una

doi:10.1016/j.urology.2018.02.007

Cited by 16 publications

(13 citation statements)

References 11 publications

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“…Seven years later, Gibbons presented a silicone stent equipped with a distal flange and sharply pointed barbs to prevent upward and downward migration, respectively. Nonetheless, this design was difficult to insert into patients because the barbs increased the stent size from 7 Ch to 11 Ch [2]. Then in 1978, Roy P. Finney presented the double pigtail silicone stent design that most resembles the ureteral stents used in practice today.…”

Section: Discussionmentioning

confidence: 99%

“…Double-J ureteral stents have become a fundamental endourological treatment since Roy P. Finney introduced them in 1978 [1]. In the United States, approximately 92,000 ureteral stents are placed annually to manage upper urinary tract obstructions caused by urolithiasis and other genitourinary pathologies [2]. While most indwelling stents aid patients with drainage, over 80% of patients with indwelling stents experience stent related symptoms (SRS), such as storage symptoms and pain, which lower their quality of life (QoL) [3,4].…”

Section: Introductionmentioning

confidence: 99%

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Comparison of silicone versus polyurethane ureteral stents: a prospective controlled study

et al. 2020

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Background: Approximately 80% of patients with indwelling ureteral stents experience stent related symptoms (SRS). We believe SRS can be reduced through altering the composition of ureteral stents to a less firm material. Therefore, we aim to compare modern silicone and polyurethane ureteral stents in terms of SRS intensity and safety. Methods: From June 2018 to October 2018, patients from two distinct clinical centers were prospectively enrolled in the study and stratified (non-randomly) into either control group A, patients who received polyurethane stents (Rüsch, Teleflex), or experimental group B, patients who received silicone stents (Cook Medical). Each participant completed a survey 1 h after stent insertion, in the middle of the stent dwelling period, and before stent removal or ureteroscopy noting body pain and overactive bladder via the visual analog scale pain (VASP) and overactive bladder (OAB) awareness tool, respectively. Additionally, successfulness of stent placement, hematuria, number of unplanned visits, and stent encrustation rates were assessed within each group. Results: A total of 50 patients participated in the study, control group A consisted of 20 patients and experimental group B consisted of 30 patients. Participants in group B, silicone ureteral stents, demonstrated significantly lower mean values of VASP 2 weeks prior to stent removal and promptly before stent removal (p = 0.023 and p = 0.014, respectively). No other comparisons between the two groups were statistically significant. Conclusions: Compared to polyurethane ureteral stents, silicone ureteral stents are associated with lower body pain intensity assessed by VASP 2 weeks before stent removal and at the time of stent removal. Trial registration: Current Controlled Trials NCT04000178. Retrospectively registered on June 26, 2019.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Comparison of silicone versus polyurethane ureteral stents: a prospective controlled study

et al. 2020

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“…For instance, Rowe et al published the first case of using 3D cinematic rendering for clear cell renal cell carcinoma, which facilitated better surgical planning. They hypothesize that a possible advantage of cinematic rendering over volumetric rendering might be the improved soft-tissue detail that can show visual textural features, which would aid in characterizing renal masses; however, further research is needed in this regard [26].…”

Section: Reviewmentioning

confidence: 99%

The Additional Diagnostic Value of the Three-dimensional Volume Rendering Imaging in Routine Radiology Practice

Duran¹,

Duran²,

Masood³

et al. 2019

Cureus

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Three-dimensional volume rendering (3DVR) is useful in a wide variety of medical-imaging applications. The increasingly advanced capabilities of CT and MRI to acquire volumetric data sets with isotropic voxels have resulted in the increased use of the 3DVR techniques for clinical applications. The two most commonly used techniques are the maximum intensity projection (MIP) and, more recently, 3DVR. Several kinds of medical imaging data could be reconstructed for 3D display, including CT, MRI, and ultrasonography (US). In particular, the 3D CT imaging has been developed, improved, and widely used of late. Understanding the mechanisms of 3DVR is essential for the accurate evaluation of the resulting images. Although further research is required to detect the efficiency of 3DVR in radiological applications, with wider availability and improved diagnostic performance, 3DVR is likely to enjoy widespread acceptance in the radiology practice going forward.

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“…Ureteral stenting is now a fundamental and integral part of urologic surgery 1 , and it is commonly used to relieve ureteral obstructions and maintain patency 2 – 4 . Although its value and utility are clear, ureteral stenting is associated with significant stent-related symptoms 5 , 6 , and up to 80% of stented patients experience adverse events such as bladder pain and/or lower urinary tract symptoms 7 – 9 .…”

Section: Introductionmentioning

confidence: 99%

Preoperative estimate of natural ureteral length based on computed tomography and/or plain radiography

Hsu

Tseng

Chen

et al. 2021

Sci Rep

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To predict natural ureter lengths based on clinical images. We reviewed our image database of patients who underwent multiphasic computed tomography urography from January 2019 to April 2020. Natural ureteral length (ULCTU) was measured using a three-dimensional curved multiplanar reformation technique. Patient parameters including age, height, and height of the lumbar spine, the index of ureteral length using kidney/ureter/bladder (KUB) radiographs (C-P and C-PS) and computed tomography (ULCT) were collected. ULCTU correlated most strongly with ULCT. R square and adjusted R square values from multivariate regression were 0.686 and 0.678 (left side) and 0.516 and 0.503 (right side), respectively. ULCTU could be estimated by the regression model in three different scenarios as follows: ULCT + C-P ULCTUL = 0.405 $$\times$$ × ULCTL$$+$$ + 0.626 $$\times$$ × C-PL – 0.508 cm ULCTUR = 0.558 $$\times$$ × ULCTR$$+$$ + 0.218 $$\times$$ × C-PR + 6.533 cm ULCT ULCTUL = 0.876 $$\times$$ × ULCTL$$+$$ + 6.337 cm ULCTUR = 0.710 $$\times$$ × ULCTR$$+$$ + 9.625 cm C-P ULCTUL = 0.678 $$\times$$ × C-PL$$+$$ + 4.836 cm ULCTUR = 0.495 $$\times$$ × C-PR$$+$$ + 10.353 cm We provide equations to predict ULCTU based on CT, KUB or CT plus KUB for different clinical scenarios. The formula based on CT plus KUB provided the most accurate estimation, while the others had lower validation values but could still meet clinical needs.

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Evolution of the Ureteral Stent: The Pivotal Role of the Gibbons Ureteral Catheter

Cited by 16 publications

References 11 publications

Comparison of silicone versus polyurethane ureteral stents: a prospective controlled study

Comparison of silicone versus polyurethane ureteral stents: a prospective controlled study

The Additional Diagnostic Value of the Three-dimensional Volume Rendering Imaging in Routine Radiology Practice

Preoperative estimate of natural ureteral length based on computed tomography and/or plain radiography

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