Renal hydronephrosis due to ureteral stones?
Hello Doctor: Recently, I went to the hospital for abdominal pain and was diagnosed with right-sided hydronephrosis and a stone obstructing the right ureter.
The hospital physician immediately arranged for extracorporeal shock wave lithotripsy, stating that we would see if the stone could pass naturally.
If it does not pass by the next follow-up appointment, surgery will be necessary.
I would like to ask if the hydronephrosis will resolve on its own once the stone is passed, and what the approximate cost of surgery would be if it becomes necessary?
Xu, 30~39 year old female. Ask Date: 2020/09/21
Dr. Wu Shuyu reply Urology
Hydronephrosis is caused by stones, and it will improve only after the stones are treated, allowing kidney function to recover.
It is advisable to consult your attending physician regarding the surgical costs.
Reply Date: 2020/09/21
More Info
Hydronephrosis, which is the swelling of a kidney due to a build-up of urine, can occur when there is an obstruction in the urinary tract, such as a ureteral stone. When a stone blocks the flow of urine, it can lead to increased pressure in the kidney, causing it to swell. This condition can be quite painful and may lead to complications if not treated promptly.
In your case, since you have been diagnosed with hydronephrosis and a ureteral stone, the immediate treatment options typically include non-invasive procedures like extracorporeal shock wave lithotripsy (ESWL), which uses sound waves to break up the stone into smaller pieces that can be passed more easily. If the stone does not pass naturally after this treatment, further interventions may be necessary, such as ureteroscopy, where a small scope is inserted through the urethra and bladder to directly remove or break up the stone.
Regarding your question about whether the hydronephrosis will resolve once the stone is passed, the answer is generally yes. If the obstruction is removed and urine can flow freely again, the swelling in the kidney should gradually decrease. However, the time it takes for the hydronephrosis to resolve can vary depending on the severity of the obstruction and how long it has been present. In some cases, it may take days to weeks for the kidney to return to its normal size and function.
As for the cost of surgery, it can vary widely depending on several factors, including the healthcare facility, the complexity of the procedure, and whether you have insurance coverage. In the United States, the cost of ureteroscopy can range from $5,000 to $15,000 or more, depending on the specifics of the case. It's important to discuss the financial aspects with your healthcare provider or the hospital's billing department to get a clearer picture of what to expect.
In addition to the immediate treatment options, it is crucial to consider preventive measures to avoid future occurrences of kidney stones. Staying well-hydrated is one of the most effective strategies. Drinking plenty of fluids helps dilute the substances in urine that lead to stone formation. Aiming for at least 2 to 3 liters of water daily is often recommended, especially if you have a history of stones.
Dietary modifications can also play a significant role in prevention. Depending on the type of stones you are prone to (calcium oxalate, uric acid, etc.), your doctor may recommend specific dietary changes. For instance, reducing sodium intake, limiting foods high in oxalates (like spinach and nuts), and ensuring adequate calcium intake can help prevent stones. In some cases, medications may be prescribed to help manage the risk of stone formation.
In summary, if the ureteral stone is successfully passed, the hydronephrosis should resolve on its own. However, if it does not, further intervention may be necessary. The cost of surgery can vary, so it's advisable to consult with your healthcare provider for specific information. Lastly, maintaining hydration and making dietary adjustments are key strategies for preventing future stones. Always consult with your healthcare provider for personalized advice and treatment options tailored to your specific situation.
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