Kidney Stones News Archive

Fruit Extract Promising for Kidney Stone Prevention

Fruit Extract Promising for Kidney Stone Prevention

Researchers suggest it might offer alternative to current treatment that has side effects.

Hypercalciuria Linked to High Urinary Sodium

Hypercalciuria Linked to High Urinary Sodium

Decreasing salt intake could decrease the risk of recurrent kidney stones.

Higher Allopurinol Dose Protects Elderly From Renal Failure

Higher Allopurinol Dose Protects Elderly From Renal Failure

A higher allopurinol dose was protective against renal failure in elderly allopurinol recipients.

Kidney Stone Procedures Found Not to Raise CKD Risk

Kidney Stone Procedures Found Not to Raise CKD Risk

Researchers find an increased risk for elevated serum creatinine, but not chronic kidney disease or all-cause mortality.

Laser 'Dusting' Compares Favorably As Kidney Stone Treatment

Laser 'Dusting' Compares Favorably As Kidney Stone Treatment

Technique could reduce the need for ureteral access sheaths.

Statins Protect Against Kidney Stones

Statins Protect Against Kidney Stones

Use of the lipid-lowering drugs is associated with 43% and 47% decreased odds of new stones in recurrent stone formers and stone naïve patients.

Percutaneous Nephrolithotomy Use Increasing

Percutaneous Nephrolithotomy Use Increasing

PCNL procedure rate nearly doubles over a 2-decade period, study finds.

Stenting, Surgery Time Linked to Infection After Laser Lithotripsy

Stenting, Surgery Time Linked to Infection After Laser Lithotripsy

Findings among patients undergoing ureteroscopy with laser lithotripsy.

Renal Stone Patients Benefit from Post-SWL Tamsulosin

Renal Stone Patients Benefit from Post-SWL Tamsulosin

Pain episodes and need for adjuvant intervention decreased, but the alpha blocker did not improve renal stone clearance rates.

Medical Expulsive Therapy Underutilized for Ureteral Stones

Medical Expulsive Therapy Underutilized for Ureteral Stones

Patients treated with medical expulsive therapy achieve spontaneous passage more quickly.

Sildenafil Aids Ureteric Stone Passage

Sildenafil Aids Ureteric Stone Passage

The phosphodiesterase type 5 (PDE5) inhibitor, sildenafil, improved passage of distal ureteric stones 5-10 mm in diameter.

Bariatric Surgery Type Influences Stone Risk

Bariatric Surgery Type Influences Stone Risk

Roux-en-Y gastric bypass surgery is associated with a 73% increased pooled RR of kidney stones.

Just Half of Kidney Stone Patients Adhere to Medication

Just Half of Kidney Stone Patients Adhere to Medication

Compliant patients have fewer ER visits, hospitalizations, stone disease surgeries.

Study Supports Use of SWL for Moderate-Sized Stones

Study Supports Use of SWL for Moderate-Sized Stones

SWL treatment success rate was 70.4% and 53.1% for stones less than 15 mm and 15 mm or larger, respectively.

Kidney Stone Cases Rising Among Blacks, Teens

Kidney Stone Cases Rising Among Blacks, Teens

Researchers also report growing number of cases among women and children.

Tolvaptan May Offer Way to Lower Kidney Stone Risk

Tolvaptan May Offer Way to Lower Kidney Stone Risk

Study shows that it increases urine volume and decreases supersaturation with stone-forming calcium salts.

Kidney Stone Risk in Men Linked to Vitamin C Intake

Kidney Stone Risk in Men Linked to Vitamin C Intake

Elevated risk observed with total and supplemental, but not dietary, vitamin C intake.

Renal Stone Removal Helps Some Patients With Recurrent UTIs

Renal Stone Removal Helps Some Patients With Recurrent UTIs

The researchers found that factors associated with a higher risk of recurrent infections included type 2 diabetes mellitus, hypertension, and black ethnicity.

Shorter Antibiotic Course Doesn't Up Infection After Nephrolithotomy

Shorter Antibiotic Course Doesn't Up Infection After Nephrolithotomy

Findings based upon 24 hours versus six days of antibiotics with percutaneous nephrolithotomy

Urbanization: A Novel Risk Factor for Kidney Stones?

Urbanization: A Novel Risk Factor for Kidney Stones?

A leading authority on kidney stones proposes that urban "heat islands" may contribute to a growing prevalence of kidney stones.

Supine Position Yields Better ESWL Results

Supine Position Yields Better ESWL Results

Patients with distal ureteral stones were 4 times more likely to be stone free if treated in the supine rather than prone position.

Alfuzosin Safe, Effective for Ureteral Stone Expulsion

Alfuzosin Safe, Effective for Ureteral Stone Expulsion

Stone-free rate and expulsion time did not differ significantly between alfuzosin and tamsulosin.

Upping Shock Wave Frequency Improves Ureteral Stone Clearance

Upping Shock Wave Frequency Improves Ureteral Stone Clearance

Researchers observe greater efficacy of extracorporeal shock wave lithotripsy at 90 rather than 60 pulses per minute.

Tamsulosin Improves Passage of Large Ureteric Stones

Tamsulosin Improves Passage of Large Ureteric Stones

Study demonstrates a benefit in patients with distal ureteric stones 5-10 mm in diameter.

Radiation from CT Scans Damages Cells

Radiation from CT Scans Damages Cells

But whether this could trigger cancer or other health issues remains unclear.

Sexual Intercourse May Clear Distal Ureteral Stones

Sexual Intercourse May Clear Distal Ureteral Stones

Having sex 3-4 times a week was associated with a significantly greater stone passage rate than tamsulosin or standard medical therapy.

Hospital Volume Impacts Post-Op Urologic Complications in Children

Hospital Volume Impacts Post-Op Urologic Complications in Children

Risk of postoperative complications increased for pediatric patients at non-high volume hospitals.

Delayed Stone Treatment Increases Morbidity

Delayed Stone Treatment Increases Morbidity

Unplanned clinical visits 15 times more likely among patients treated more than 45 days after diagnosis.

Larger Stones Hike Re-treatment Risk After Shock Wave Lithotripsy

Larger Stones Hike Re-treatment Risk After Shock Wave Lithotripsy

Patients with kidney or ureteral stones larger than 20 mm are 85% more likely be re-treated those those with stones smaller than 10 mm.

Flexible Ureteroscopy May Beat ESWL for Pediatric Stone Patients

Flexible Ureteroscopy May Beat ESWL for Pediatric Stone Patients

Flexible ureteroscopy achieved a stone-free rate nearly twice as high as that achieved with extracorporeal shock wave lithotripsy.

Non-Whites Less Likely to Receive Narcotics for Stone Pain

Non-Whites Less Likely to Receive Narcotics for Stone Pain

Study shows no racial disparity in the use of non-steroidal anti-inflammatory drugs.

Kidney Stone Medication Adherence Rates Low

Kidney Stone Medication Adherence Rates Low

Only 50% of patients adhered to their treatment regimen, with adherence rates varying by sex and geographic region.

Gout Patients Commonly Develop CKD and Stones

Gout Patients Commonly Develop CKD and Stones

Guidelines currently don't recognize gout as a risk factor for CKD and nephrolithiasis.

High Fluid Intake Lowers Kidney Stone Risk

High Fluid Intake Lowers Kidney Stone Risk

Meta-analysis finds a reduction in the risk of incident and recurrent kidney stones.

Kidney Stones Often Prompt Second ER Visit

Kidney Stones Often Prompt Second ER Visit

Among more than 128,000 patients discharged from emergency care, 11% had at least 1 additional emergency visit for kidney stone treatment.

Urinary Stone Complication Risk Higher in IBD Sufferers

Urinary Stone Complication Risk Higher in IBD Sufferers

They are more likely to have urinary tract infections and sepsis than urinary stone formers without inflammatory bowel disease.

Silodosin May Ease Passage of Distal Ureteral Stones

Silodosin May Ease Passage of Distal Ureteral Stones

The rate of stone passage was about 23% higher with silodosin compared with placebo.

Kidney Stone Formers Have Worse Vascular Calcification, BMD

Kidney Stone Formers Have Worse Vascular Calcification, BMD

New finding may explain reported associations between nephrolithiasis and cardiovascular disease.

Kidney Stones and CVD Linked by Calcium Deposits

Kidney Stones and CVD Linked by Calcium Deposits

Kidney stone patients might need closer monitoring for further signs of pending cardiovascular issues.

Infected Kidney Stones Raise Post-Op Sepsis Risk

Infected Kidney Stones Raise Post-Op Sepsis Risk

Positive stone cultures increase the odds of sepsis after percutaneous nephrolithotomy by nearly 7-fold.

CHD Risk Greater in Women with Kidney Stones

CHD Risk Greater in Women with Kidney Stones

Study finds no significantly elevated risk of coronary heart disease among men with a history of kidney stones.

Dietary Fiber Linked to Lower Risk of Kidney Stones

Dietary Fiber Linked to Lower Risk of Kidney Stones

Findings only in women without history of stones; no effect on reducing recurrent risk

Thiazide for Kidney Stones Doesn't Boost Diabetes Risk

Thiazide for Kidney Stones Doesn't Boost Diabetes Risk

After multivariate adjustment, risk of diabetes did not increase with Thiazide prophylaxis for nephrolithiasis.

Kidney Cancer Linked to Kidney Stones

Kidney Cancer Linked to Kidney Stones

Meta-analysis reveals a significantly increased risk of kidney stones only in male patients with kidney cancer.

ACP Issues New Guideline to Prevent Recurrent Kidney Stones

ACP Issues New Guideline to Prevent Recurrent Kidney Stones

Recommendations to prevent recurrent kidney stones include increased fluid intake to achieve a urine output of at least 2 liters per day.

Bariatric Surgery Ups Kidney Stone Rates

Bariatric Surgery Ups Kidney Stone Rates

During 6 years of follow-up, new stone formation increased significantly in the surgery patients.

Stone Removal by f-URS Okay for Chronic Kidney Disease (CKD) Patients

Stone Removal by f-URS Okay for Chronic Kidney Disease (CKD) Patients

Flexible ureterorenoscopy (f-URS) is safe and effective for removing kidney stones in patients with chronic kidney disease (CKD).

Kidney Stone Risk Rises with Higher Temperature

Kidney Stone Risk Rises with Higher Temperature

Higher daily mean temperatures are associated with an increased incidence of kidney stones.

Genetic Link in Kidney Stones Identified

Genetic Link in Kidney Stones Identified

Kidney stones may have a possible genetic link that can assist patients in acquiring a more specific diagnosis and treatment.

Kidney Stone Formers Face Higher Fracture Risk

Kidney Stone Formers Face Higher Fracture Risk

Fracture risk after urolithiasis highest among males aged 10 to 19 years and females aged 30 to 39 years.

Higher Kidney Stone Incidence Potentially Linked to Climate Change

Higher Kidney Stone Incidence Potentially Linked to Climate Change

Climate change could be associated with an increase in the incidence of kidney stones.

Kidney Stone Treatment Success Predictors Identified

Kidney Stone Treatment Success Predictors Identified

Hounsfield units and stone size predict a patient's odds that shock wave lithotripsy will completely clear kidney or ureteral stones.

Initial Ultrasound Suffices for Most Emergency Kidney Stone Cases

Initial Ultrasound Suffices for Most Emergency Kidney Stone Cases

Most stones patients do not need additional imaging with computed tomography, study finds.

Kidney Stone Burden Predicts Chronic Kidney Disease (CKD) Risk

Kidney Stone Burden Predicts Chronic Kidney Disease (CKD) Risk

A study revealed an increased risk of chronic kidney disease in patients with a cumulative stone size less than 20 mm.

Preoperative Factors Predict Major PCNL Complications

Preoperative Factors Predict Major PCNL Complications

Women and patients with a high comorbidity burden and complex kidney stones are at higher risk of serious adverse events.

Patients with Multiple Stones At Higher Risk of Recurrent Stones

Patients with Multiple Stones At Higher Risk of Recurrent Stones

Study also shows that hypocitraturia is more common in patients with multiple rather than single stones.

Kidney Stone Management Guidelines Issued

Kidney Stone Management Guidelines Issued

Guidelines developed for diagnosis and evaluation, prevention, and follow-up.

Ultrasound Effective for Detecting Kidney Stones

Ultrasound Effective for Detecting Kidney Stones

It also may provide an alternative to conventional fluoroscopy in guiding ureteroscopy for ureteral stones.

Chronic Kidney Disease Linked to Kidney Stones

Chronic Kidney Disease Linked to Kidney Stones

A history of nephrolithiasis was associated with a nearly 2-fold increased odds of chronic kidney disease in women.

Ureteroscopy Use for Stones Increasing

Ureteroscopy Use for Stones Increasing

Researchers found increasing use of ureteroscopy and decreasing use of shock wave lithotripsy.

Kidney Stones Raise Cardiac Disease Risk

Kidney Stones Raise Cardiac Disease Risk

Stones are associated with an increased risk of CVD, including coronary heart disease.

Healthier Diet Lowers Stone Risk in Women

Healthier Diet Lowers Stone Risk in Women

Higher intake of dietary fiber, fruits, and vegetables each is associated with a decreased kidney stone risk in postmenopausal women.

AUA Kidney Stone Guidelines Unveiled

AUA Kidney Stone Guidelines Unveiled

At its annual meeting, the American Urological Association provided details of its first guidelines for the medical management of urolithiasis.

Repeat Stone Treatment More Likely After SWL

Repeat Stone Treatment More Likely After SWL

In a study, the re-intervention rate was 11% for patients treated with shock wave lithotripsy versus 0.2% of those who had ureteroscopy.

Flexible Ureteroscopy May Be Suitable for Proximal Ureteral Stones

Flexible Ureteroscopy May Be Suitable for Proximal Ureteral Stones

It achieved a stone-free rate of 95% in patients with stones smaller than 2 cm.

Drug Combo Improves Stone Passage

Drug Combo Improves Stone Passage

A higher rate of distal ureteral stone clearance was observed with a dual regimen of tamsulosin and prednisone than with either drug alone.

Tamsulosin Improves Post-SWL Outcomes

Tamsulosin Improves Post-SWL Outcomes

Adjuvant treatment with the medication was associated with higher clearance rates for upper urinary tract stones.

Unplanned Visits After Urinary Stone Treatment Defined

Unplanned Visits After Urinary Stone Treatment Defined

Study reveals that 1 in 7 patients present to an emergency department or are hospitalized after a procedure.

Study: 24-Hour Urinalysis Key for Managing Stones

Study: 24-Hour Urinalysis Key for Managing Stones

New findings show that urinary biochemical composition changes with age.

Small Urinary Stones May Not Require CT Scans

Small Urinary Stones May Not Require CT Scans

New study suggests that emergency bedside ultrasound suffices for stones smaller than 6 mm.

Kidney Stone Procedure May Up Diabetes Risk

Kidney Stone Procedure May Up Diabetes Risk

Patients treated with percutaneous nephrolithotomy had a 79% increased risk of diabetes compared with those treated with extracorporeal shockwave lithotripsy.

DASH Diet May Lower Recurrent Kidney Stone Risk

DASH Diet May Lower Recurrent Kidney Stone Risk

The DASH diet might be an effective alternative to the low-oxalate diet.

Stone Rate Highest in August, Lowest in February

Stone Rate Highest in August, Lowest in February

Study of emergency department visits for renal colic at a New York hospital links the findings to average monthly temperature.

Exercise Cuts Kidney Stone Risk in Women

Even modest activity is beneficial, researchers report.

Vitamin D Assessment Affected by Race

Common genetic polymorphisms may explain patterns in vitamin D status in blacks.

Wrist Fractures More Likely in Kidney Stone Formers

Study reveals 36% increased risk among women and 22% increased risk among men.

Higher Dietary Acid Load Raises Kidney Stone Risk

It may reduce urinary citrate excretion, which is associated with an elevated stone risk, according to researchers.

Renacidin Irrigation Back for Use Against Kidney, Bladder Stones

The drug, which was off the market for the past year and a half, is indicated for the dissolution of renal and vesical calculi of the apatite or struvite variety.

Vitamin D Supplements Do Not Raise Kidney Stone Risk

A serum 25-hydroxyvitamin D level of 20 to 100 ng/mL has no significant association with kidney stone incidence.

PCNL Safe, Effective Using Ultrasound Guidance Alone

Study reveals high stone-free rate and low complication rate.

Dyslipidemia May Raise Stone Risk

Low HDL or high triglyceride levels were associated with significantly higher urinary sodium, oxalate, and uric acid levels, as well as lower urinary pH.

Expulsive Therapy for Stones May Cut Costs

Patients missed fewer days of work after undergoing medical expulsive therapy than after having early endoscopic stone removal.

Study: 24-Hour Urine Collection Underused

The test was ordered for only about 8% of patients at high risk for urinary stone recurrence.

Coronary Heart Disease Linked to Kidney Stones in Women

In adjusted analyses, women with a history of kidney stones had an 18%-48% increased risk of coronary heart disease.

Stone Disease Does Not Hike Mortality

Prevalent kidney stone disease is not independently associated with all-cause and cardiovascular (CV) mortality.

Nomogram Helps Predict Lithotripsy Success

Kidney stone area and density and skin-to-stone distance predicted successful treatment.

Stones Linked to Urinary Incontinence, Periodontitis

Taiwan study finds a twofold increased risk of upper urinary tract stones in patients suffering from urinary incontinence.

Uric Acid Stones More Likely in Caucasians

Study found a 27.3% incidence in Caucasians versus 15.5% and 15.1% in African Americans and Hispanics, respectively.

Shock Wave Lithotripsy May Raise Hypertension Risk

SWL is an independent risk factor for hypertension in patients without CKD.

Ureteroscopy Use Rising, SWL Use Falling in California

The two kidney stone treatments are being used with nearly equal frequency.

Greater Physical Activity Lowers Kidney Stone Risk

Greater Physical Activity Lowers Kidney Stone Risk

The amount of activity matters more than the intensity, study finds.

Gut Bacteria Found to Decrease Likelihood of Stone Recurrence

In a study of calcium oxalate stone formers, Oxalobacter formigenes colonization was significantly inversely associated with the number of stone episodes.

Greater Diabetes Severity Raises Kidney Stone Risk

HbA1c values of 6.5% or higher are associated with a nearly twofold increased risk.

Higher Dietary Calcium Lowers Kidney Stone Risk

Reduction in risk occurred regardless of whether the calcium came from dairy or non-dairy sources.

Study Backs Shared Medical Appointments for Kidney Stone Patients

Appointment wait time decreased and number of patients seen per month increased.

Kidney Stone Composition Linked to Insurance Status

Patients with state-assisted insurance are more likely than privately insured patients to form calcium phosphate than calcium oxalate stones.

Kidney Stone Emergency Department Visits On the Rise

Kidney Stone Emergency Department Visits On the Rise

The trend is due mostly to an increasing incidence of visits by women.

PCNL Use Rises Dramatically in the U.S.

The trend toward increasing use of percutaneous nephrolithotomy is more pronounced among women than men.

Lithotripsy Suitable for Lower Pole Stones

Total clearance rate of 81% found in patients with solitary stones.

Sign Up for Free e-newsletters