Treatment Overview
Antegrade ureteral stricture surgery is a minimally invasive procedure performed to treat narrowing or blockage of the ureter by accessing it from the kidney side. Unlike retrograde approaches, which reach the ureter through the bladder, the antegrade method is particularly useful for complex or long strictures, upper ureteral obstructions, and cases where retrograde access is difficult or impossible.
In Korea, this procedure is performed using high-resolution imaging, fluoroscopic guidance, and endoscopic instruments. The antegrade approach allows precise dilation, stent placement, or surgical repair while minimizing trauma to the surrounding tissues. Korean hospitals are internationally recognized for their expertise in urological reconstruction and provide comprehensive care for medical tourists seeking advanced ureteral interventions.
Purpose & Benefits
The primary goal of antegrade ureteral stricture surgery is to restore normal urine flow from the kidney to the bladder, preventing complications such as hydronephrosis, recurrent infections, and long-term kidney damage. Key benefits include:
- Precise access to complex or upper ureteral strictures
- Preservation of ureteral tissue and function
- Minimally invasive approach compared to open surgery
- Short hospital stay and quicker recovery
- Reduced risk of ureteral injury
- Ability to combine with stent placement for post-operative support
Korean specialists often combine antegrade surgery with balloon dilation or laser incision for improved long-term success.
Ideal Candidates
Antegrade ureteral stricture surgery is suitable for patients who:
- Have complex, long, or upper ureteral strictures not easily treated retrograde
- Experience recurrent ureteral obstruction or hydronephrosis
- Require treatment after failed retrograde interventions
- Need ureteral reconstruction following stone disease, trauma, or previous surgery
- Are seeking minimally invasive solutions for high-risk or challenging cases
Medical tourists benefit from Korea’s specialized care, advanced imaging, and experience with high-complexity urological procedures.
Possible Risks & Complications
Although generally safe, antegrade ureteral stricture surgery may involve certain risks:
- Mild hematuria (blood in urine)
- Pain or discomfort at the access site
- Infection or urinary tract infection
- Bleeding from kidney or ureter
- Rare injury to adjacent organs or ureteral perforation
- Stricture recurrence in some cases
- Stent-related discomfort if used postoperatively
Korean hospitals minimize risks through careful planning, precise imaging guidance, and high procedural expertise.
Techniques & Technology Used
Korean urologists employ advanced techniques and technology for antegrade ureteral stricture surgery:
- Percutaneous nephrostomy access to the kidney
- Fluoroscopic and ultrasound guidance for precise kidney and ureter access
- Balloon dilation or endoscopic laser incision for stricture management
- Guidewire-assisted stent placement for ureteral support
- High-definition digital nephroscopes and ureteroscopes for visualization
- Dual-modality imaging to reduce complications and improve outcomes
These technologies ensure high procedural success rates and reduced trauma to surrounding tissues.
Treatment Process in Korea
The antegrade ureteral stricture surgery process in Korea is structured for patient comfort and efficiency:
- Consultation & Evaluation
Comprehensive assessment including medical history, urine tests, kidney function tests, CT urography, and ultrasound to determine stricture location and severity. - Pre-Procedure Preparation
Pre-surgical instructions include fasting, antibiotics, and anesthesia planning. Korean hospitals provide multilingual support for international patients. - Surgical Procedure
- Percutaneous access to the kidney under imaging guidance
- Guidewire placement through the ureter across the stricture
- Balloon dilation or laser incision to widen the ureter
- Optional stent placement to maintain patency
- Verification of urine flow and stent position using fluoroscopy
- Postoperative Monitoring
Patients are observed for a few hours to overnight depending on complexity. Pain management and infection prevention protocols are provided. - Follow-Up & Recovery
Follow-up imaging is conducted to ensure ureteral patency, and stents (if used) are removed after 2–4 weeks. Long-term monitoring may be advised for high-risk patients.
Recovery & After-Care
Recovery after antegrade ureteral stricture surgery is typically faster than open surgery. Recommended after-care in Korea includes:
- Maintaining hydration to support urine flow and reduce infection
- Managing mild pain or discomfort with prescribed medications
- Avoiding heavy lifting or strenuous activity for 1–2 weeks
- Monitoring for fever, hematuria, or unusual urinary symptoms
- Attending scheduled follow-up imaging and check-ups
Most patients resume normal activities within 1–2 weeks, with gradual improvement in urinary function.
Results & Longevity
Antegrade ureteral stricture surgery in Korea offers high success rates, especially for complex and upper ureteral strictures.
- Immediate relief from obstruction and improved kidney drainage
- Long-term patency depends on stricture type, length, and etiology
- When combined with stenting and laser incision, recurrence rates are significantly reduced
- Regular follow-up ensures durability and early detection of complications
Korean centers report favorable outcomes, making the procedure a reliable option for complex ureteral management.
Why Korea Is a Top Destination
Korea is a preferred destination for antegrade ureteral stricture surgery because of:
- Highly experienced urologists trained in complex minimally invasive procedures
- Advanced imaging and endoscopic technology for precise interventions
- Efficient scheduling and patient support services for international visitors
- Competitive pricing compared to Western countries
- High safety standards and low complication rates
- Comprehensive care including preoperative consultation, accommodation, and translation services
Medical tourists benefit from Korea’s combination of expertise, technology, and patient-focused approach.
Cost Range
The cost of antegrade ureteral stricture surgery in Korea ranges from USD 4,000 to USD 9,000, depending on:
- Hospital tier and location
- Complexity and length of the stricture
- Type of anesthesia and operative technique
- Postoperative stent placement or additional procedures
- Duration of hospital stay
Korea offers high-quality care at competitive rates for international patients.
Popular Clinics in Korea
- Seoul National University Hospital (SNUH)
- Asan Medical Center
- Samsung Medical Center
- Severance Hospital – Yonsei University Health System
- Korea University Anam Hospital
- Wooridul Urology Clinic
- Gangnam Severance International Clinic
These hospitals are renowned for advanced minimally invasive urology, high success rates in ureteral reconstruction, and comprehensive support for medical tourists.



