Struvite stones

Definition

Struvite stones are a type of kidney stone composed primarily of magnesium ammonium phosphate. They often form in response to urinary tract infections and can lead to serious complications if untreated.

5 Must Know Facts For Your Next Test

1. Struvite stones account for approximately 10-15% of all kidney stones.
2. They are more common in women due to higher rates of urinary tract infections.
3. Urease-producing bacteria, like Proteus mirabilis, are commonly associated with the formation of struvite stones.
4. Chronic renal illness patients with indwelling catheters or structural abnormalities in their urinary tract are at higher risk.
5. Nutritional management may include reducing dietary phosphate and magnesium intake to prevent recurrence.

Review Questions

• What percentage of kidney stones do struvite stones represent?
• Why are women more susceptible to developing struvite stones?
• Which type of bacteria is commonly associated with the formation of struvite stones?

Related terms

Calcium Oxalate Stones: A common type of kidney stone formed from calcium and oxalate crystals.

Uric Acid Stones: Kidney stones that form when there is an excess of uric acid in the urine.

Pyelonephritis: A severe kidney infection that can lead to the development of certain types of kidney stones, including struvite.