At St Pete Urology, we offer surgical treatment for kidney stones, focusing on minimally-invasive procedures even for the largest stones. Most operations for smaller stones can be done as same-day surgeries, giving patients greater flexibility and a faster return to their work and other routine activities. For larger stones, the planning and execution of the procedures may take a little more time, but with the use of small incisions only large enough to allow insertion of thin tubes, fiber-optic lights, cameras and other tiny surgical tools, we are able to ensure significantly less pain, less scarring, shorter hospital stay, faster recovery and increased accuracy than with traditional open surgery for the stones.
There are three main minimally-invasive techniques for removal of kidney stones. The least invasive being extracorporeal shockwave lithotripsy, followed by ureteroscopy then lastly percutaneous nephrolithotomy. The choice of a surgical technique depends on multiple factors, including the type of stone, size and location, medications taken by the patient, other medical problems the patient may have, and patient preferences.
This is the most popular option for treating small and medium-sized stones. Performed in an outpatient setting with the patient placed under general anesthesia, ESWL is the least invasive and takes 20-30 minutes to be completed. During the surgical procedure, intense sound waves are focused on the kidney stone, shattering the stone with minimal effect on surrounding tissue. Smaller pieces of stones that are produced get washed out of the urinary system with the normal flow of urine, often with slight or no discomfort. ESWL is a highly effective treatment for most stones that form in the kidney or ureter.
Advantages of ESWL include:
Limitations of ESWL include:
Ureteroscopy is another surgical procedure often used to treat small and medium-sized stones. The advantage it offers over ESWL is that it can treat kidney stones occurring in any part of the urinary tract. It’s a same-day procedure done after the patient is placed under general anesthesia. The procedure involves passing a small scope via the urinary opening and into the bladder then into the ureter. Once the stone is reached, it is targeted with laser so that it’s broken down into smaller pieces that are extracted out of the system or into pieces of dust left to wash out with normal urine.
Ureteroscopy is a little bit more invasive than ESWL, but it’s preferred in situations where kidney stones are too hard to respond to ESWL, or for stones that are invisible on X-ray. Ureteroscopy is also a better choice than ESWL when stones are located in the lower portion of the urinary tract, especially the region near the bladder. After the procedure, a small tube — a stent — is temporarily placed into the urinary system to help drain the kidney. The stent is totally internal, and is usually removed 3-10 days after the procedure. Stent removal is a quick and easy process done in the doctor’s office and without anesthesia.
Advantages of ureteroscopy are:
Limitations of ureteroscopy are:
For kidney stones that are exceptionally large, complex or several small stones bundled in one kidney, percutaneous nephrolithotomy (PCNL) is the most appropriate treatment. Conducted by a urologist, often assisted by an interventional radiologist, PCNL is typically an inpatient procedure requiring an overnight hospital stay. During the procedure, the urologist and radiologist collaborate to open a direct channel into the kidney’s drainage system via a small incision made in the back, often not larger than a dime.
After making the incision, the urologist uses a set of specialized tools to break the stones into pieces, which are then plucked out or vacuumed out of the kidney. With the procedure completed, a drainage stent or tube is left in place for temporary drainage of the kidney. For stones that are unusually large or complicated, the urologist may schedule a second “clean-up” surgery. In most cases, patients leave the hospital after PCNL within 24 hours of the procedure. And despite PCNL being a more invasive procedure than ureteroscopy and ESWL, it remains an effective and safe treatment that sees a high level of patient satisfaction.
Advantages of PCNL are:
Limitations of PCNL are:
At St Pete Urology, we perform hundreds of minimally-invasive surgeries for kidney stones every year. We have several surgeons with extensive training, skill and experience in ESWL, ureteroscopy and PCNL, delivering excellent outcomes even for the most difficult kidney stones. Our collaborative, compassionate and patient-centered approach to care also means our patients enjoy utmost comfort and convenience throughout their procedures. So if you have symptoms of what you suspect to be kidney stones, don’t hesitate to come see us. We fix kidney stones safely and effectively. For more information on the prevention, diagnosis and treatment of kidney stones, visit the “St Pete Urology” site.
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