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Successful Robotic Surgery to Correct a Congenital Kidney Pelvis Deformity at Al Mouwasat Hospital in Al Khobar

Successful Robotic Surgery to Correct a Congenital Kidney Pelvis Deformity at Al Mouwasat Hospital in Al Khobar

Successful Robotic Surgery to Correct a Congenital Kidney Pelvis Deformity at Al Mouwasat Hospital in Al Khobar

Successful Robotic Surgery to Correct a Congenital Kidney Pelvis Deformity at Al Mouwasat Hospital in Al Khobar
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09/11/2025

Al Khobar – The medical team at Al Mouwasat Hospital in Al Khobar successfully performed a delicate robotic surgery to correct a rare congenital deformity in the renal pelvis for a patient who was suffering from severe pain due to a significant narrowing at the upper part of the right ureter. 

The medical team explained that the patient had a congenital anomaly characterized by the presence of an additional renal artery compressing the upper section of the right ureter from the outside, causing severe obstruction that prevented normal urine flow and led to dilation and swelling of the renal pelvis. This condition resulted in recurrent severe pain and renal colic. 

After conducting the necessary medical examinations, the surgical team decided to intervene using robotic-assisted technology. The procedure involved removing the narrowing at the upper ureter, repositioning the additional renal artery, and creating a new connection between the ureter and the renal pelvis—all performed with advanced robotic surgical precision. 

The operation lasted approximately an hour and a half and, by the grace of God, was completed successfully without any complications, with minimal bleeding during the procedure. The patient was discharged from the hospital in good health and a stable condition. 

This achievement highlights the high level of expertise of the medical team at Al Mouwasat Hospital and the advanced capabilities of robotic surgery in providing precise and safe solutions for complex medical cases. 

It also reflects Al Mouwasat Medical Services Company’s vision of attracting top medical talent and subspecialties while providing the latest medical technologies and state-of-the-art equipment




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19/02/2026

Riyadh – Mouwasat Hospital 

Mouwasat Hospital in Riyadh continues to strengthen its leadership in vascular surgery and advanced endovascular interventions, following the successful treatment of a young patient whose aortic occlusion was Treated with the Minimally Invasive CERAB technique.

Case Details 

The patient had been suffering from severe leg pain that limited his ability to walk more than 20–30 meters for the past six months, despite receiving multiple treatments at various hospitals without improvement.

The case was managed by Dr. Nikolaos Patelis, Consultant Vascular Surgeon, who diagnosed the patient with severe aortic stenosis (aortic stenosis). The patient underwent a successful minimally invasive procedure using the CERAB technique, one of the latest global innovations in treating aorto-iliac occlusive disease. 

The patient was discharged within one day, without the need for blood transfusion, and experienced 100% symptom relief, regaining his ability to walk normally. 

What Is the CERAB Technique? 

Covered Endovascular Reconstruction of the Aortic Bifurcation (CERAB) is recognized as a major advancement in the management of aorto-iliac occlusive disease, offering several benefits:

  • Minimally invasive approach through the femoral or arm arteries 
  • Reduced complication rates compared to open surgery 
  • Shorter recovery time 
  • Excellent outcomes in restoring blood flow to the lower limbs 

The procedure involves inserting femoral arterial sheaths, deploying specialized covered stent grafts to reconstruct the aortic bifurcation, and simultaneously inflating iliac stent grafts to ensure proper sealing and optimal blood flow. This method is particularly suitable for patients suffering from severe mobility-limiting symptoms caused by aorto-iliac arterial disease. 

Expertise of Dr. Nikolaos Patelis 

Dr. Nikolaos Patelis has an extensive record in vascular and endovascular surgery. He holds the Fellowship of the American College of Surgeons (FACS) and a master’s degree in endovascular techniques, in addition to being a member of the Hellenic Vascular Surgery Board, the European Society for Vascular Surgery, and the American College of Surgeons. 

Mouwasat… A Leader in Advanced Vascular Surgery 

This achievement reflects Mouwasat Hospital’s commitment to delivering the latest global innovations in vascular and endovascular treatments, ensuring precise and safe medical care based on the highest international standards. 

Mouwasat continues to invest in specialized expertise and advanced technologies, reinforcing its position as a leading medical destination in the Kingdom and the region and providing innovative therapeutic solutions that enhance patient outcomes and accelerate recovery.

Successful Robotic Surgery to Correct a Congenital Kidney Pelvis Deformity at Al Mouwasat Hospital in Al Khobar

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Successful Robotic Surgery to Correct a Congenital Kidney Pelvis Deformity at Al Mouwasat Hospital in Al Khobar
19/02/2026

Al Khobar – Mouwasat Hospital 

Mouwasat Hospital in Al Khobar continues to strengthen its position as a leading center in pediatric urology and advanced robotic surgery, following the successful treatment of a 4-year-old girl who was suffering from recurrent flank pain and severe renal discomfort caused by a congenital ureteral obstruction. 

Accurate Diagnosis Through Advanced Imaging 

The young patient was referred to Mouwasat Hospital after undergoing a series of diagnostic studies, including:

  • Ultrasound imaging 
  • CT scan 
  • Nuclear medicine renal scans conducted in the hospital’s Nuclear Medicine Department 

The results revealed a significant narrowing of the ureter, the tube responsible for transferring urine from the kidney to the bladder. This obstruction led to hydronephrosis, reduced kidney function, and repeated pain episodes, increasing the risk of recurrent urinary infections. 

Congenital ureteral obstruction is considered one of the more complex pediatric urological conditions, and if left untreated, it may gradually progress to kidney damage or even renal failure. 

Robotic Repair of the Ureteral Obstruction 

Thanks to the expertise of Dr. Abdulrahman bin Abdulkarim Al Muhrej, Consultant in Urologic Oncology, the robotic system allowed for high-precision suturing and delicate handling of the tissues, ensuring an optimal reconstruction outcome. The procedure was completed smoothly, and the child was able to leave the hospital the next day, resuming eating and walking with only minimal pain. 

Why Robotic Surgery Is the Preferred Technique 

Robotic-assisted surgery has become the gold standard for managing complex ureteral conditions due to several advantages:

  • Exceptional precision in tissue handling 
  • Smaller incisions and reduced postoperative pain 
  • Lower blood loss 
  • Faster recovery time 
  • Higher success rates, especially in delicate pediatric cases 

Dr. Al Muhrej has performed numerous robotic repairs for ureteral obstruction in both children and adults, achieving consistently excellent clinical outcomes. 

Expanding the Role of Robotic Surgery in Urology 

Robotic systems are now widely utilized at Mouwasat Hospital for a variety of urological procedures across all age groups, including the following:

  • Partial and radical nephrectomy (kidney removal) 
  • Adrenal gland surgery 
  • Prostate surgery 
  • Bladder surgery 

This reflects Mouwasat Hospital’s commitment to incorporating advanced surgical technology and providing patients with advanced, minimally invasive treatment options. 

Important Medical Advice 

Dr. Al Muhrej stresses the importance of early evaluation when kidney dilation is detected, as determining the cause promptly is crucial to preserving kidney function. Not all cases require surgery, but timely consultation with a specialist helps guide appropriate management and prevent long-term complications. 

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