How big must a kidney stone be to require lithotripsy?

Written by Zeng Zhong
Urology
Updated on September 13, 2024
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If the kidney stone is between 0.5 and 1.5 centimeters in size, extracorporeal shock wave lithotripsy is required. After the treatment, patients should drink more water, urinate frequently, and exercise more, such as running, jumping rope, and playing basketball, to facilitate the expulsion of the stones. Then, one week later, a follow-up visit to the hospital for an ultrasonic examination of the urinary system should be done to check the status of the stone expulsion. If the kidney stone is larger than 1.5 centimeters, minimally invasive surgery is required for stone disintegration, primarily using percutaneous nephrolithotomy with Holmium laser lithotripsy.

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Written by Wang Jian
Urology
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Is kidney stone surgery painful?

For the treatment of kidney stones, larger kidney stones or multiple stones, stag-horn stones might consider surgical treatment. There are two types of surgery, the first is percutaneous nephrolithotomy, which involves inserting a nephroscope through a puncture in the kidney to break up and expel the stones from the body; the second type of surgery is ureteroscopy, which does not require an incision, by entering the kidney through the urethra and ureter, and then breaking up the stones and expelling them from the body. Both surgical methods are performed under anesthesia, so the patient will not feel pain. However, pain after ureteroscopy is typically less than that after percutaneous nephrolithotomy, which requires absolute bed rest post-operation, while ureteroscopy does not.

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Written by Zeng Zhong
Urology
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Do you need to be hospitalized for kidney stones?

Patients with kidney stones need to decide on a treatment plan based on the size of the stones, which determines whether hospitalization is necessary. For kidney stones smaller than 1.5 cm, extracorporeal shock wave lithotripsy can be utilized, allowing the patient to avoid hospitalization. After treatment, the patient can go home, where it is advised to engage in physical activity, drink plenty of water, and urinate frequently to facilitate the expulsion of the stones. A follow-up ultrasound of the urinary system should be conducted one week later at the hospital to monitor the status of the stone expulsion. If the stones are larger than 1.5 cm, surgical treatment is required, which necessitates hospitalization.

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Written by Wang Shuai
Urology
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How to deal with kidney stones?

For the treatment of kidney stones, it is first necessary to determine the specific size and location of the stones, and whether there are conditions such as hydronephrosis or infection to guide the treatment approach. If the stones inside the kidney are relatively small, such as about five millimeters, conservative treatment is primarily used. This can involve drinking more water, urinating frequently, and exercising more. When necessary, oral medications like stone expulsion granules or solutions can be taken to help expel the stones from the body. If the stones are larger and accompanied by hydronephrosis or even infection, it is necessary to control the infection first and then proceed with surgical treatment. Common surgical methods include percutaneous nephrolithotomy, ureteroscopic lithotripsy, or open surgery for stone removal.

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Written by Guan Hai Fang
Urology
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What should be noted for kidney stones?

If you have kidney stones, you should avoid vigorous exercise and heavy physical labor in daily life, and avoid eating foods that may aggravate kidney stones. For example, do not eat persimmons, drink tea, consume tofu, or eat too many soy products, etc. The reason to avoid persimmons is that they contain tannins, which can contact stomach acid and more easily bond with plant fibers, forming a stone that may worsen kidney stones. In other aspects, pay attention to a light diet because inflammation is more likely to occur with kidney stones, so avoid eating spicy and stimulating foods. It is recommended that patients go to a regular hospital for examination and treatment.

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Written by Zeng Zhong
Urology
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What department should I go to for kidney stones?

Patients with kidney stones need to visit the urology department of their local hospital for standard examinations and treatments. Doctors will conduct an ultrasound and CT scan of the urinary system to determine the exact size of the stones. If the stones are relatively small, measuring less than 1.52 centimeters, they can be treated with extracorporeal shock wave lithotripsy. If the stones are larger, surgical treatment is necessary. Currently, the main method is a minimally invasive percutaneous nephrolithotomy with holmium laser lithotripsy. Patients generally need about 7-10 days post-operation before they can be discharged from the hospital.