Futuristic operating room showcasing advanced ureteroscopy technology.

UTI-Free After Ureteroscopy? How New Devices and Techniques are Minimizing Infection Risks

"Explore the latest advancements in ureteral stent extraction and surgical methods designed to reduce post-operative infections and improve patient outcomes."


Urinary tract infections (UTIs) following urological procedures like ureteroscopy are a significant concern, affecting patient recovery and healthcare costs. While ureteroscopy is a common and effective method for treating kidney stones and other urinary issues, the risk of introducing bacteria into the urinary tract during the procedure can lead to post-operative infections.

Recent studies have focused on refining techniques and developing new devices to minimize these risks. Innovations range from improved methods for removing ureteral stents—temporary tubes placed to aid healing after surgery—to surgical approaches that reduce the likelihood of infection. Understanding these advancements is crucial for both patients and healthcare providers seeking to improve outcomes and reduce complications associated with ureteroscopy.

This article explores the latest research and technological developments aimed at preventing UTIs after ureteroscopy, providing insights into how these changes are making the procedure safer and more effective.

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Managing Infection Risk After Ureteroscopy

Ureteroscopy (URS) is a mainstay for treating most kidney stones and is also used to diagnose and manage upper-tract malignancy. Infectious complications can be minimized through prophylactic antibiotics, limiting stent dwell and procedure time, identifying and treating UTI, and planning carefully for patients with large stone burdens or multiple comorbidities. Stents with extraction strings are used in many centers to reduce costs, invasiveness, and patient discomfort, though the provided sources do not give an infection rate for them.

A Long Evolution of Ureteroscopy

A history of ureteroscopy traces the optical and mechanical advances that made it possible to view the upper urinary tract through natural orifices. The source describes this development as beginning roughly 200 years ago. A 2018 review of ureteral stent-associated infection and sepsis addresses bacterial mechanisms as well as prevention and treatment, reflecting a parallel focus on understanding and managing complications.

Cutting-Edge Tools for Ureteral Stent Extraction: Reducing Infection Risks

Futuristic operating room showcasing advanced ureteroscopy technology.

Ureteral stents are often placed during ureteroscopy to ensure proper drainage and healing. However, their removal can sometimes lead to infection. Traditional methods of stent extraction are being updated with new devices designed to minimize bacterial introduction and tissue trauma.

A recent study published in a urology journal evaluated the economic impact and effectiveness of new devices for removing ureteral stents under local anesthesia. The study compared traditional methods with newer devices like the magnetic blackstar (MBS) and Isiris systems. Here’s what they found:

  • Cost Analysis: The study analyzed the costs associated with each method, considering the device prices, procedure fees, and potential savings from reduced complications.
  • Infection Rates: Researchers tracked the incidence of post-extraction UTIs with each device to determine which methods were most effective at preventing infections.
  • Efficiency: The study also assessed the efficiency of each device, measuring the time required for stent removal and the ease of use for the urologist.
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Evidence on Extraction-String Stents

A study listed as published two days ago evaluated whether extraction-string stents were associated with postoperative infection after flexible ureteroscopic lithotripsy. Its source summary notes that the strings allow stent removal without cystoscopy, while concerns include infection and accidental dislodgement. A separate meta-analysis describes evidence on patient outcomes as limited and sets out to assess pain and complications associated with string-based versus other removal approaches; the supplied summaries do not report results.

Potential Cost of Failed Extraction

A French economic comparison of newer ureteral stent extraction devices considered them against the conventional technique using a reusable fibroscope under local anesthesia in an outpatient setting without hospitalization. The analysis also incorporated retrospective data on extraction failures with the newer devices. Such failures may increase costs if conventional extraction must then be used as an additional procedure, according to the source summary.

Instrument Cost in Stent Retrieval

A prospective randomized comparison examined rigid ureteroscopic retrieval against flexible cystoscopic retrieval of ureteral stents. Per-use instrument cost was higher for the flexible cystoscopic group: RMB 723.1 (USD 107.9), compared with RMB 214.3 (USD 28.2) for the rigid ureteroscopic group. The reported difference was statistically significant (P < 0.05).

The findings highlighted that while newer devices might have a higher upfront cost, they could lead to overall savings by reducing infection rates and the need for additional treatments. Specifically, the magnetic blackstar system showed promise in reducing costs for the healthcare system due to fewer post-operative complications. The study also noted that the choice of device and technique should be tailored to the patient's specific needs and the urologist's expertise.

Moving Forward: A Focus on Prevention

The ongoing research and development in ureteroscopy and related procedures reflect a growing emphasis on patient safety and infection prevention. By staying informed about the latest techniques and technologies, both patients and healthcare providers can work together to minimize the risk of UTIs and ensure better outcomes following urological interventions. As technology advances, the future of ureteroscopy looks increasingly promising, with a focus on less invasive, more effective, and safer procedures.

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The Question of Infection Risk

A review of adult patients undergoing upper urinary tract endoscopic procedures asks whether ureteral stents with extraction strings are associated with more UTIs than stents without strings. The source summary states the review’s research question, but provides no conclusion or effect estimate. Its framing highlights that the infection-risk comparison should be treated as an evidence question rather than assumed from the presence of a string.

Toward an Ideal Ureteral Stent

A scoping review published May 14, 2026, describes ureteral stents as essential for maintaining urinary drainage and preventing obstruction. It notes that traditional stents are often associated with pain, urinary symptoms, encrustation, infection, and the need for secondary removal procedures. The review considers the idea of an “ideal” stent and summarizes contemporary technology, but the supplied material does not specify particular future devices or their outcomes.

Infection and Sepsis After URS

A systematic review published January 19, 2026, set out to assess the incidence and predictors of infection and sepsis after ureteroscopy and laser lithotripsy. Its summary characterizes postoperative infection, including urinary sepsis, as a potentially serious complication. A separate 2020 source highlights the significance of intraoperative renal pelvic urine and stone cultures for patients at high risk of post-ureteroscopy systemic inflammatory response syndrome; the supplied summaries do not provide incidence figures or detailed findings.

About this Article -

Written with AI assistance from published research, and reviewed by the Mystum team. See our About page for more information.

This article is based on research published under:

DOI-LINK: 10.1016/j.purol.2018.07.219, Alternate LINK

Title: Évaluation Économique Comparative Des Nouveaux Dispositifs D’Extraction Des Endoprothèses Urétérales Sous Anesthésie Locale

Subject: Urology

Journal: Progrès en Urologie

Publisher: Elsevier BV

Authors: C. Almeras, V. Estrade, J. Gautier, A. Hoznek, N. Abid, P. Meria

Published: 2018-11-01

Everything You Need To Know

1

What is Ureteroscopy and why is it important?

Ureteroscopy is a common procedure used to treat kidney stones and other urinary issues. The primary purpose of Ureteroscopy is to visualize and treat conditions within the ureter and kidneys. During Ureteroscopy, a scope is inserted through the urethra and bladder into the ureter to access the kidneys. It's important because it provides a direct way to diagnose and treat problems that might not be visible through other imaging techniques, leading to better patient outcomes.

2

Why are urinary tract infections (UTIs) a concern after Ureteroscopy?

Urinary tract infections (UTIs) are a significant concern following Ureteroscopy. UTIs can occur because the procedure can introduce bacteria into the urinary tract. These infections can lead to complications, extend patient recovery times, and increase healthcare costs. Preventing UTIs is a critical focus in the advancements of Ureteroscopy techniques and devices.

3

What are ureteral stents and how are they related to UTIs?

Ureteral stents are temporary tubes placed in the ureter after procedures like Ureteroscopy to facilitate drainage and healing. However, removing these stents can sometimes lead to infections. Traditional removal methods are being updated with newer devices like the magnetic blackstar (MBS) and Isiris systems to reduce the risk of bacterial introduction and tissue trauma during removal. The goal is to minimize the chances of post-extraction UTIs and improve patient outcomes.

4

What are some new devices used in Ureteroscopy to prevent infection, and how do they help?

The magnetic blackstar (MBS) system and the Isiris systems are examples of newer devices used for ureteral stent extraction. Research has shown that the magnetic blackstar system can reduce costs for the healthcare system due to fewer post-operative complications. These devices are designed to be more efficient and less likely to cause infection compared to traditional methods. The specific choice of device and technique depends on the patient's individual needs and the urologist's skill.

5

What is the overall trend in Ureteroscopy regarding patient safety?

The focus on preventing UTIs reflects a broader trend of improving patient safety and outcomes in Ureteroscopy. Ongoing research and technological developments are geared toward making the procedure less invasive, more effective, and safer. This includes not only advancements in tools like the magnetic blackstar system, but also revised surgical practices. The aim is to reduce complications, improve patient comfort, and lower healthcare costs associated with post-operative infections. Continuous innovation is expected to make Ureteroscopy procedures increasingly better in the future.

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