How to treat polycystic kidney kidney stones

Written by Wu Ji
Nephrology
Updated on September 23, 2024
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Patients with polycystic kidney disease who develop kidney stones should be treated the same as patients without polycystic kidney disease. It is encouraged for patients to drink more water. If the stones are symptomatic, treatments such as extracorporeal shock wave lithotripsy or percutaneous nephrolithotomy may be considered. The main principles of treatment include managing renal colic, promoting stone expulsion, dissolving stones, or surgical interventions, as well as preventing recurrence. During a renal colic episode, it is primarily recommended to administer antispasmodic analgesics. Commonly used medications include scopolamine butylbromide and atropine, or combinations of atropine with pethidine or morphine. Expulsion therapy mainly involves drinking plenty of water, proper physical activity, and the use of some antispasmodic drugs to help expel the stones. Surgical treatment is aimed at patients with anuria and post-renal acute renal failure, or in cases where the stone diameter is larger than one centimeter, or if the expulsion therapy is ineffective, especially if there are still episodes of renal colic. Systemic metabolic disorders are an important cause of kidney stone formation, thus even after stones are cleared, recurrence is possible. Therefore, to prevent recurrence, it is advisable to ensure a daily urine output of 2000 to 2500 milliliters, avoid drinking tea and coffee as much as possible, adjust dietary habits, and treat systemic metabolic abnormalities, such as hypercalcemia, hyperuricemia, and cystinuria, among others.

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Written by Zeng Zhong
Urology
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Do kidney stones hurt?

Whether kidney stones cause pain depends on whether the stones are moving within the kidney. If the stones are relatively large, they generally do not move within the kidney, and the patient will not feel pain. However, when the stones cause hydronephrosis (accumulation of water in the kidney), the patient may occasionally feel a slight swelling and discomfort in the lower back. If the kidney stones are small, they are likely to move within the kidney, which can lead to severe lower back pain, clinically known as renal colic. This pain is quite severe, and it is necessary to go to the hospital for timely treatment.

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Written by Zeng Zhong
Urology
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How to check for kidney stones?

For kidney stone examination, it is necessary to conduct an ultrasonography of the urinary system. Patients can go to the urology department of their local hospital for a formal examination. The ultrasound of the urinary system primarily looks at the size of the kidney stones and whether there is any water accumulation in the kidneys. Based on the results of the examination, an appropriate treatment plan can be formulated. For example, smaller kidney stones can be treated with extracorporeal shock wave lithotripsy, while larger kidney stones may require minimally invasive surgery.

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Written by Wang Shuai
Urology
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Does kidney stones cause hematuria?

Kidney stones can cause hematuria. The main reason that kidney stones cause hematuria is due to the damage to the mucous membrane of the renal pelvis caused by the stones, and even the rupture of blood vessels, leading to hematuria. In this case, it is necessary to use imaging methods such as color Doppler ultrasound and CT to determine the exact location and size of the stones. If the stone is small, such as about five or six millimeters, symptomatic hemostasis treatment can be conducted, and if necessary, drinking more water, urinating frequently, exercising more, and taking oral stone-discharging granules or effervescents can help expel the stones from the body. If the stone is large, it is advisable to opt for surgical treatment as soon as possible.

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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 Jian
Urology
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Kidney stone symptoms

The symptoms of kidney stones depend on the size and shape of the stone, as well as its location in the kidney, whether there are infections, obstructions, and other factors. Smaller kidney stones, which are smooth, can be expelled with the urine without causing noticeable symptoms. Stones lodged in the lower part of the renal pelvis or in the calyces can be asymptomatic. If the kidney stones are larger, located in the calyces or the renal pelvis, they can compress the kidney and cause back pain or dull pain because the stones can lead to the dilation or obstruction of the renal pelvis or kidney. Patients may experience back pain, fever, and if there is an infection, localized fever may occur. Additionally, kidney stones can scratch the mucous membrane of the ureter or kidney, causing bleeding.