What is Pyeloplasty Surgery?
Pyeloplasty is a surgery used to treat ureteropelvic junction obstruction (UPJO), a condition where urine flow from the kidney to the bladder is blocked. It's commonly performed for individuals with UPJO caused by congenital abnormalities, kidney stones, or scarring.
The surgery can be done through open surgery or minimally invasive methods like laparoscopic or robotic-assisted surgery.
The goal is to relieve pain, prevent kidney damage, and restore kidney function. Recovery involves a hospital stay, pain management, and follow-up visits. Most patients experience improved kidney health and quality of life after the surgery.
Types of Pyeloplasty Procedure
There are various pyeloplasty types based on the approach used to treat the obstruction or narrowing of the renal pelvis. Each of these pyeloplasty types is customized to address the patient's specific condition, with different techniques and recovery times.
Below are the common types of pyeloplasty:
- Open Pyeloplasty: Traditional approach with a larger incision to directly access the kidney.
- Laparoscopic Pyeloplasty: Minimally invasive approach using small incisions and a camera to guide the procedure.
- Robotic-Assisted Pyeloplasty: A modern variation of laparoscopic pyeloplasty, where robotic tools provide greater precision.
- Endopyelotomy: A non-surgical method, involving a small incision to cut and remove the obstruction inside the renal pelvis.
The choice of pyeloplasty type depends on the severity of the blockage and the patient's overall health.
What is the Success Rate of Pyeloplasty?
Pyeloplasty has an excellent track record. The success rate is typically 90-95%, meaning most patients experience complete resolution of symptoms and improved kidney drainage. Robotic and laparoscopic methods generally have success rates similar to open pyeloplasty, with the added benefit of quicker recovery.
Is Pyeloplasty a Major Surgery?
Yes, pyeloplasty is considered a major surgery because it involves reconstructing the urinary tract and requires anesthesia. However, modern techniques (laparoscopic and robotic pyeloplasty) have made it much safer and less invasive than traditional open surgery.
1 to 3 Hours
Surgery Duration
General Anesthesia
Anesthesia Used
6-8 Weeks
Full Recovery Timeline

What are the indications for a pyeloplasty procedure?
Pyeloplasty is primarily indicated when there is a blockage or narrowing at the ureteropelvic junction (UPJ), the point where the ureter connects to the kidney.
This condition prevents urine from draining properly and can lead to hydronephrosis, pain, and long-term kidney damage.
The main pyeloplasty causes include congenital UPJ obstruction, scar tissue formation, or complications from prior surgeries.
What conditions does pyeloplasty treat?
A pyeloplasty procedure is performed to treat conditions such as:
- Kidney obstruction due to narrowing of the ureteropelvic junction
- Hydronephrosis, where urine backs up into the kidney causing swelling
- Congenital abnormalities, especially UPJ obstruction detected in children or adults
- Recurrent urinary tract infections (UTIs) caused by poor urine drainage
- Kidney stone formation resulting from long-standing urinary obstruction
When would a doctor recommend pyeloplasty surgery?
A doctor may recommend pyeloplasty if:
- You experience persistent flank pain or discomfort caused by urine backup
- Imaging tests (ultrasound, CT scan, nuclear renal scan) show hydronephrosis or reduced kidney function
- Non-surgical treatments or prior procedures have failed to relieve the obstruction
- There are recurrent infections or kidney stones due to impaired urine flow
- Kidney function is at risk of worsening if the blockage is left untreated
Why is a pyeloplasty procedure done?
The purpose of a pyeloplasty is to:
- Restore normal urine flow from the kidney to the ureter
- Prevent kidney damage caused by long-term obstruction
- Relieve painful symptoms like flank or abdominal pain
- Reduce risk of infections and stone formation
- Improve overall kidney function and quality of life
Who is the procedure for?
Pyeloplasty can be performed in:
- Infants and children born with congenital UPJ obstruction
- Adults with acquired blockages due to scar tissue, kidney stones, or prior surgery
- Patients with recurrent UTIs, hydronephrosis, or impaired kidney function where surgery offers the best chance of recovery
How should I prepare before the pyeloplasty procedure?
Pyeloplasty preparation begins with a consultation with your urologist, where the surgical plan, risks, and recovery expectations are discussed. You should:
- Share your medical history, allergies, and medications with your healthcare provider.
- Make necessary lifestyle changes, such as quitting smoking and reducing alcohol, to promote better healing.
- Arrange for transportation and support after the surgery, since you will not be able to drive yourself home.
- Pack personal essentials if an overnight hospital stay is required.
What tests are done before pyeloplasty surgery?
Before undergoing surgery, your doctor may recommend several diagnostic tests to evaluate kidney function and the severity of obstruction. Common preoperative tests include:
- Blood tests to assess overall health and kidney function
- Urinalysis to detect infection or abnormalities
- Ultrasound or CT scan to evaluate the degree of hydronephrosis
- Nuclear renal scan to measure how well each kidney is working
These tests help confirm the need for surgery and guide the surgeon in planning the procedure.
Should I stop eating, drinking, or taking medicines before pyeloplasty?
Yes, specific instructions will be provided by your surgical team:
- Fasting: You will typically need to avoid food and drink for several hours before the procedure to ensure safe anesthesia.
- Medications: Some medicines, such as blood thinners, aspirin, or certain supplements, may need to be stopped or adjusted to reduce the risk of bleeding. Always confirm with your doctor before making changes.
- Hydration: In some cases, you may be advised to drink small amounts of water up until a certain cutoff time.
What happens before pyeloplasty surgery?
Before the procedure:
- You will meet the anesthesiologist, who will review your health status and explain anesthesia options.
- The surgical area will be cleaned and prepped, sometimes requiring hair removal.
- An IV line will be placed to administer fluids and medications.
- You will be taken into the operating room, where your healthcare team will ensure you are comfortable before anesthesia is given.
How is the pyeloplasty procedure performed?
The pyeloplasty procedure is a surgical intervention aimed at correcting a blockage or narrowing of the renal pelvis to restore normal urine flow from the kidney. It helps to relieve symptoms such as pain, infections, and kidney damage due to urine backup. Here's what the pyeloplasty procedure typically involves:
- Anesthesia: The patient is placed under general or regional anesthesia.
- Incision: A small incision is made near the kidney to access the affected area.
- Reshaping and Reconstruction: The surgeon removes the obstructed portion of the renal pelvis and reattaches the healthy parts to ensure proper urine flow.
- Stent Placement: A stent may be inserted temporarily to help keep the ureter open while healing.
- Suture Closure: The incision is closed with sutures, and the patient is monitored in recovery.
This procedure is typically minimally invasive, using laparoscopic or robotic-assisted techniques for a quicker recovery.
Who will treat for the Pyeloplasty Procedure?
The pyeloplasty procedure is typically performed by specialized surgeons with expertise in urology. These professionals are trained to address kidney-related issues, including those requiring pyeloplasty surgery. Here's a look at the key specialists who treat pyeloplasty:
- Urologist: The primary specialist who diagnoses and treats conditions that affect the urinary tract, including performing pyeloplasty surgery.
- Endourologist: A sub-specialist in minimally invasive procedures, including laparoscopic or robotic-assisted pyeloplasty.
- Pediatric Urologist: For children with conditions like UPJ obstruction, a pediatric urologist may perform pyeloplasty tailored for younger patients.
These experts will assess the condition and recommend the most suitable treatment approach, ensuring the best possible outcome for pyeloplasty patients.
What happens during a pyeloplasty procedure?
During surgery, the patient is asleep under anesthesia. The surgeon carefully follows the pyeloplasty procedure steps:
- Gaining access to the kidney and ureter
- Removing the obstructed portion of the ureteropelvic junction
- Reconstructing and reattaching the ureter to the renal pelvis
- Placing a temporary stent to aid healing
Once completed, urine can flow freely from the kidney to the bladder, reducing pain, swelling, and risk of infections.
Recovery and Lifestyle Changes After Pyeloplasty Surgery
Recovery after pyeloplasty surgery requires careful attention to both physical healing and lifestyle adjustments. Following the pyeloplasty procedure, a few changes in your daily habits will help promote optimal recovery and prevent complications
What should I expect immediately after the pyeloplasty procedure?
After pyeloplasty surgery, you'll likely stay in the hospital for 1-3 days, depending on your overall health and the surgical approach (open, laparoscopic, or robotic-assisted). During this initial phase:
- Pain Management: Mild to moderate discomfort is expected, but pain relievers will keep it under control.
- Catheter and Stent: You may have a urinary catheter and a temporary internal stent to help urine flow.
- Monitoring: Vital signs, kidney function, and wound healing are closely monitored.
- Diet: You'll start with liquids, gradually moving to solid foods as tolerated.
When can I return to normal activities after pyeloplasty surgery?
The pyeloplasty recovery time is usually 4-6 weeks, though this may vary by patient. General guidelines include:
- First 2 weeks: Focus on rest and light walking to improve circulation.
- Weeks 3-4: Resume light daily activities but avoid lifting heavy objects, bending excessively, or engaging in strenuous exercise.
- After 4-6 weeks: Most patients can return to work, driving, and normal activities, provided they feel comfortable and have their surgeon's clearance.
- Full recovery: In some cases, especially if complications were present, recovery may extend beyond 6 weeks.
Are lifestyle changes required after recovery from pyeloplasty?
Yes, adopting healthy habits can improve long-term kidney health and reduce the risk of complications:
- Hydration: Drink plenty of water daily to support kidney function.
- Balanced Diet: Focus on a nutrient-rich diet low in excessive salt to prevent strain on the kidneys.
- Avoid Smoking and Limit Alcohol: These can slow healing and increase the risk of complications after pyeloplasty treatment.
- Regular Follow-Ups: Attend all follow-up appointments for imaging and stent removal (if placed).
- Infection Prevention: Report fever, pain, or unusual urinary symptoms promptly.
By following medical advice and making small lifestyle changes after pyeloplasty, patients usually achieve excellent long-term outcomes with improved kidney function and quality of life.
What are the benefits of pyeloplasty?
Pyeloplasty offers several important benefits for patients suffering from urinary obstruction or narrowing of the renal pelvis.
Key benefits include:
- Restoration of urine flow: The surgery removes the blockage at the ureteropelvic junction (UPJ), allowing urine to flow freely from the kidney into the bladder. This helps relieve pressure on the kidneys.
- Preservation of kidney function: By addressing the obstruction early, pyeloplasty prevents long-term kidney damage and can even improve kidney function in many patients.
- Relief from symptoms: Patients often experience significant improvement in symptoms such as flank pain, recurrent urinary tract infections, nausea, or swelling caused by hydronephrosis.
- Improved quality of life: With pain and infection under control, patients are able to return to daily activities more comfortably and confidently.
- Long-term success rates: Modern pyeloplasty techniques, especially laparoscopic and robotic-assisted approaches, have very high success rates, often above 90 percent, making it a durable solution for UPJ obstruction.
What are the risks or complications of a pyeloplasty?
Although pyeloplasty is generally considered safe, like any surgical procedure, there are potential complications. These are usually rare but should be understood before undergoing the operation.
Possible complications include:
- Infection: Postoperative infections may occur at the incision site or within the urinary tract. These are usually managed with antibiotics.
- Bleeding: Some bleeding is expected during surgery, but significant bleeding requiring additional treatment is uncommon.
- Urine leakage: Occasionally, urine can leak from the site where the ureter is reattached to the renal pelvis. A temporary stent is often used to minimize this risk.
- Scarring: Excessive scar tissue formation may cause narrowing of the ureter again, which can sometimes lead to recurrent obstruction.
- Recurrent obstruction: In rare cases, the blockage can return, requiring further surgical intervention.
- Damage to surrounding organs or tissues: Although rare, nearby blood vessels, nerves, or tissues may be injured during the procedure.
- Blood clots: Surgery and reduced mobility afterward can slightly increase the risk of blood clots in the legs or lungs.
- Pain or discomfort: Mild to moderate pain in the flank area or at the incision site is common in the early recovery period but usually improves within a few days to weeks.
Most patients recover well without serious issues, and complications are minimized with careful surgical planning, the use of minimally invasive techniques, and adherence to post-operative care instructions.
What is the cost of pyeloplasty surgery?
The cost of pyeloplasty surgery in India generally ranges from Rs. 60,000 to Rs. 2,50,000, depending on the type of surgery (open, laparoscopic, or robotic), hospital, and city.
- Open Pyeloplasty: Rs. 60,000 - Rs. 1,20,000
- Laparoscopic Pyeloplasty: Rs. 90,000 - Rs. 1,60,000
- Robotic Pyeloplasty: Rs. 1,50,000 - Rs. 2,50,000
In cities like Hyderabad, the average cost is usually between Rs. 50,000 and Rs. 1,50,000, though advanced procedures like robotic pyeloplasty may be higher.
Final expenses also depend on the surgeon's expertise, hospital facilities, length of hospital stay, and post-surgery care.