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Role of emergency ureteroscopy in the management of ureteric stones

Emergency ureteroscopy for all acute stone patients is not widespread in the UK but this is not the case elsewhere. In Auckland, New Zealand, it is commonly carried out in the emergency setting to reduce pressure on elective lists and...

Management of calyceal diverticular stones using ultramini PCNL

Calyceal diverticulae are congenital smooth-walled, non-secretory urothelium-lined cavities within the renal parenchyma that communicate with calyceal fornix through a diverticular neck. They were first described by Rayer in Traitements des maladies des reins [1]. Calculi occur in approximately 9.5% to...

Thiazide diuretic prophylaxis for kidney stones and the risk of diabetes mellitus

Thiazide diuretics have been used to reduce calcium nephrolithiasis recurrence as it is tolerated well, inexpensive and reduces calcium excretion in urine. It has been linked with increased risk of diabetes mellitus (DM) in the presence of hypertension (ALLHAT study),...

Efficacy of flexible ureteroscopy and laser lithotripsy for lower pole renal calculi

The management of lower pole renal stones (LPS) is often difficult. Extracorporeal shock wave lithotripsy (ESWL), flexible ureterorenoscopy (fURS) and percutaneous nephrolithotomy (PCNL) are all potential options with potential benefits and disadvantages. In order to assess the success of fURS...

Cystolithotripsy using the holmium laser: evolving uses for the laser lithotrite

This small prospective study examined 20 patients who were undergoing laser cystolithotripsy for bladder stones. Laser lithotripsy was performed using either a 365 or 550µm holmium:YAG laser fibre with a power setting of 1.0J and a frequency of 10Hz. Stone...

Pain relief after removal of non-obstructive renal calculi

Non-obstructing stones are often not considered to be the source of pain, and probably most are not. This is because flank pain associated with a stone is typically caused by a stone that obstructs urinary flow, which increases intraluminal pressure...

HIV-related stone disease – a potential new paradigm?

This paper discusses the management of patients with stone disease and HIV. The chronic nature of HIV infection is due in large part to the effectiveness of anti-retroviral therapies (ART). However, the role of protease inhibitors has been widely discussed...

Urology around the world: Myanmar

In this article the author, a urologist from Myanmar, discusses the presentation, diagnosis and management of a condition common in his country. Urethral orifice stones Urolithiasis is one of the most common urological conditions, usually involving the kidneys, ureters and...

Worldwide flexible ureteroscopy practice uncovered

While guidelines recommend flexible ureteroscopy (fURS) for treating renal stones <1.5cm, considerable differences exist among urologists in the technique, use, and indications of fURS. In 2014, the Endourology Society set out to explore the differences in the fURS technique and...

Medical expulsive therapy for paediatric urolithiasis

Children who have kidney stones are likely to have recurrences. Many initial stones are treated conservatively allowing for spontaneous passage of small stones if possible. Doxazocin or tamsulosin are known to dilate the ureter and allow spontaneous passage of stones...

Understanding gender differences in nephrolithiasis

Rates of nephrolithiasis are higher in males than females. The cause for this remains unclear, however animal models have demonstrated an association between sex steroid hormone levels and lithogenesis. This relationship in humans is less well established. This study from...

The management of renal calculi – Pt 1

Renal calculi can be managed according to four treatment options: conservative management, extracorporeal shockwave lithotripsy (ESWL), flexible ureterorenoscopy (FURS) and percutaneous nephrolithotomy (PCNL). This is the first in a two-part series in Urology News (Part 2 available here) that will...