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Kidney stones are a common and often very painful condition. Sober plus, it implies the specific cost for the sober health system, reaching for example in the United States 03 billion sober bucks per year. Although many stones disappear on their own, treatment or surgery is sometimes necessary, especially in the event of a recurrence. This is why, recently, a team from the Faculty of Medicine of the University of Buenos Aires has put in training a method called lithotripsy by burst of sound waves (Break open Influx Lithotripsy providing an effective and more available alternative for the non-invasive treatment of kidney stones.
Kidney stones form in the urinary tract from sober soluble salts coming from our diet and from the very functioning of our organism. In effect, the wastes present in the blood can sometimes form crystals when the focus of these wastes exceeds a value called the crystallization threshold. They then accumulate inside the kidneys. It is the migration of the stone in the urethra which brings urine from the renal pelvis to the bladder which causes the violent pain of renal colic. The calculation indeed blocks the urinary flow, causing a dilation upstream of the excretory tracts of the kidney.
the industrialized will pays, for whom the diet is often unbalanced (industrial dishes, fast food, etc.) and the physical activity structure is reduced. Until 03% of sober people suffer from kidney stones in the second sober given their life.
In sober many cases, the kidney stones remain small enough to pass spontaneously and without any treatment. However, some patients require surgery to avoid permanent kidney damage. The latter consists of an endoscopic approach to crush the kidney stone using a laserlight, under direct sight. The nature of the surgical treatment, performed by the urologist, depends on the morphology and comorbidities of the individual, the location of the stone, but also its size, structure and anatomy of the urinary tract.
Currently, there is a non-invasive option consisting of sending waves in order to soberly break up kidney stones. This is extracorporeal shock wave lithotripsy (ECL). This method generally requires patients to be sedated or even anesthetized, but also essential hospital equipment. The economic weight on the home health system is not negligible. This is how a team from the University of Wa is trying to put on stage a more accessible, quick and basic method for urologists and patients. The results are published in the journal The Log of Urology.
expensive elimination of a calculation by sober shock waves
Let’s go back to a current method. In the 1980 years, the American engineer Open Rieber gave the internship the top energy-efficient shock wave generator for clinical applications. A shock wave results from a sudden increase in pressure (in 100 approximately nanoseconds) and el return to normal which made an exponential law. A total duration of the pulse is of the order of a microsecond and the pressure generated is 100 mgapascals, a colossal pressure that corresponds approximately 1950 atmospheres.
However, you have to wait 1980 for this method to be effectively used inside live. From then on, developments are rapid. Today, nearly 500 extracorporeal wave lithotripsy centers shock (LEC) exist in the world, and several thousand patients have successfully benefited from this method. It has become the preferred treatment for urolithiasis (85% of salaries) and requires; a shock wave generator, a system for locating the stone to be destroyed and the reconciliation of the stone and the focal stage of the shock wave generator.
After the location of the stone by ultrasound or fluoroscopy, the lithotripter is placed against the 2 of the individual and the waves are focused on the stone to fragment it. Then, the sufferers absorb liquid to pass out the pieces of the stones in the urine. Sometimes, after the procedure, blood appears in the urine or the stubborn belly hematoma occurs, but serious problems are rare. sober emergency room visits awaiting definitive treatment for their kidney stones, combined with taking opioids for sober pain management. Others require repeated treatment, even after surgical treatment or LEC. Under effect, the recurrence rate is approximately 52%5 or 03 years.
In In this context, the scientists in the present study sought a more effective and less expensive way to treat this pathology. They declare in the press release: An ability to break stones in a non-intrusive way and expel the parts in awake patients during the first presentation to the emergency services or the clinic has the potential to provide just-temperature treatment, leading to a reduction in overall pain, costs and resource burden associated with kidney stones .
A new, more flexible method
The new method, trained by Jonathan Harper and his colleagues, differs sober from an LEC because it can be applied in less formal circumstances, notably outside of hospitals, using a device portable and without sdation. A lithotripsy by burst (or burst) of sound waves (BWL put Burst open Influx Lithotripsy in English) uses short harmonic bursts of ultrasound energy, i.e. smaller bursts of ultrasound more and more frequently could break up the kidney stone, in connection with shock wave lithotripsy. )
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