Kidney Stones

Ayesha Aslam12-10275BIOT 412

A kidney stone is a hard mass developed from crystals thatseparate from the urine and build up on the inner surfaces of the kidney.

Incidence & risk factors

Substances in abnormal quantity.

Dehydration Block the flow of

urine.

The most common cause of kidney stones is not drinking enough water.

Causes Acc. to type of stone Calcium ones especially

calcium oxalate…. Oxalate from certain food.

Cystine stones…cystnuria.

Urinary tract infection (women)… struvite stones

Gout & chemotherapy… uric acid stones.. Common in men.

Symptoms and signs of a kidney stone include excruciating, cramping painin the lower back and/or side, groin, or abdomen as well as blood in the urine.

Symptoms

Severe pain in belly area move to groin.

Abnormal urine color. Blood in urine. Nausea. Fever. Vomiting.

Signs

Restless Very distress Pale Nauseated Sweaty Abdomen may feel

tender to touch.

A helical CT scan without contrast material is the mostcommon test to detect stones or obstruction within the urinary tract.

Diagnosis/ tests:

Abdominal CT scan Abdominal/kidney MRI Abdominal x-ray Intravenous pyelogram

(IVP) Kidney Ultrasound Retrograde Pyelogram

Depending on the size, most stones eventually pass on their own within 48 hours.

Treatment Primary treatment Pain relievers NSAIDS e.g. Ibuprofen. Morphine Medication

1. Allopurinol

2. Antibiotics

3. Diuretics

4. Phosphate solution

5. Sodium bicarbonate Surgery

For kidney stones that do not pass on their own, a shock wave procedurecalled lithotripsy is often used to break up a large stone into smaller pieces to pass.

Treatment

Extra corporeal shock wave lithotripsy

1. Shock waves

2. Small stones

Percutaneous nephrolithotomy

1. Endoscope

2. Large stones

Prognosis

60% pass out with in 48 hrs.

30% require treatment.

Risk of re-occurrence can reduce by dietary advice.

To help prevent kidney stones, drink enough water to keep your urine clear.

Dietary choices can affect kidney stone development.

Weight gain can increase the risk of kidney stones.

Research