Kidney stone treatment laser: Know All About

Kidney stone treatment laser: Know All About

Kidney stone treatment laser, also known as laser lithotripsy, is a minimally invasive procedure used to break down kidney stones into smaller fragments, facilitating their passage through the urinary tract. By directing laser energy onto the stones, urologists can effectively pulverize them without the need for surgical incisions. Laser lithotripsy is renowned for its high success rates and reduced risk of complications compared to traditional surgical methods.

Causes of kidney stones vary, but commonly include factors such as dehydration, dietary habits, and underlying medical conditions like hyperparathyroidism or urinary tract infections. Additionally, certain lifestyle factors such as obesity and a sedentary lifestyle may contribute to stone formation.

In terms of effectiveness, laser lithotripsy boasts impressive outcomes, with research indicating its efficacy in fragmenting kidney stones of various compositions. A study published in 2020 in the International Journal of Environmental Research and Public Health highlighted the advantages of thulium fiber laser technology, suggesting it as a promising option for ureteroscopy and kidney stone treatment.

What is Laser Kidney Stone Surgery?

Laser Kidney Stone Surgery, known medically as laser lithotripsy, employs a laser to break kidney stones into smaller pieces that can pass from the kidney to the bladder more comfortably. This procedure serves as a treatment for kidney stones that cannot pass through the urinary tract on their own.

Typically performed by a urologist, the process involves the insertion of a ureteroscope through the urethra and bladder into the ureter or kidney, where the stone resides. Laser lithotripsy is a minimally invasive option, requiring no incisions and often performed under general anesthesia to ensure the comfort of the patient.

During the procedure, a laser fiber introduces a laser beam directly to the stone, effectively breaking it into small pieces or stone fragments that can be removed or left to exit the body through urination. A stent is placed temporarily to aid the flow of urine from the kidney to the bladder, assisting in the healing process and preventing blockages. This treatment resolves symptoms and complications associated with kidney stones, such as urinary tract infections and persistent pain.

How do People Prepare For Laser Kidney Stone Surgery?

People preparing for laser kidney stone surgery typically undergo a series of steps under the guidance of the department of urology. Initially, the medical team assesses the stones’ size in the kidney to determine the most effective treatment method, such as laser lithotripsy or percutaneous laser treatment. Following the assessment, doctors might prescribe medication to manage pain and facilitate the procedure. The surgery, recognized for being minimally invasive, often uses a holmium laser to break the stones into smaller pieces, enhancing the ability to remove stones efficiently.

Before the procedure, patients receive general anesthesia, ensuring they remain unconscious and pain-free throughout. A key aspect of the surgery is the placement of a stent from the bladder to the kidney, which allows the kidney to drain properly and facilitates the passage of stone fragments. This preparation phase might also include instructions on fasting and adjustments to current medications.

The actual process of kidney stone removal involves inserting a laser fiber through the urinary tract to the stone’s location, where the laser’s energy breaks the stones into passable pieces. This method, highly effective for treating both kidney and ureteral stones, ensures that pieces of the stone can later be passed through urination.

 Post-surgery, the medical team will continue to monitor the patient’s recovery in an outpatient setting, providing necessary pain medication and recommendations for hydration to aid in passing the stone fragments. The use of shock wave lithotripsy or ureteroscopy might be advised for any remaining stone fragments, ensuring complete stone removal.

Finally, a follow-up appointment checks the effectiveness of the kidney stone surgery and the patient’s overall health, removing the stent if it was placed and evaluating the need for any further treatment. 

How does laser stone surgery work?

 Laser stone surgery employs a high-intensity laser, often a holmium laser, to fragment the stone in the kidney or ureter. Surgeons perform this treatment under general anesthesia to ensure the patient remains comfortable and still.

The process begins with the insertion of a ureteroscope into the urethra, progressing through the bladder and into the ureter or kidney, allowing direct visualization of the stone. The laser then precisely targets the stone, effectively breaking it into small, passable fragments. In certain cases, a small basket attached to the ureteroscope removes stones or stone fragments to ensure clear passage of urine.

To facilitate healing and prevent ureteral obstruction, a stent is placed temporarily within the ureter. This stent ensures the uninterrupted flow of urine from the kidney to the bladder, mitigating the risk of urinary tract infections and promoting the expulsion of stone fragments.

Laser lithotripsy represents a significant advance in urology, offering a less invasive alternative to percutaneous and shock wave lithotripsy procedures. Post-surgery, physicians may prescribe medications to alleviate discomfort and prevent infection, ensuring a swift recovery. Patients typically undergo this procedure as outpatients, allowing them to return home the same day. Through laser lithotripsy, individuals suffering from painful kidney stones receive efficient stone treatment, experiencing relief and the ability to urinate without pain or obstruction. 

Who are the best candidates for the kidney stone removal process?

The best candidates for the kidney stone removal process are individuals who have larger or stubborn stones in their kidney that fail to pass on their own. Particularly, those who experience severe pain, recurrent infections, or obstruction in the urinary tract due to the stones are ideal patients. This type of surgery, known as laser lithotripsy, uses a laser to break up the kidney stones into tiny pieces that can then exit the body in the urine. Unlike major surgery, this procedure is minimally invasive, utilizing a small lighted instrument, termed ureteroscopy, to access the stones.

This method is effective in breaking down stones of varying sizes, including those considered small stones. 

Candidates for this surgery typically have good kidney function, a factor crucial for recovery and the overall success of the procedure. Extracorporeal shock wave lithotripsy (ESWL) is another option, but laser lithotripsy often becomes the preferred choice when ESWL is ineffective or when stones are found in positions that ESWL cannot adequately address.

After the procedure, patients can expect to return to normal activities shortly, guided by the advice of their healthcare provider. The surgery aims not only to remove current stones but also to minimize the risk of future occurrences by eliminating all pieces of stone, thus maintaining the health and function of the kidneys. 

What is the success rate of kidney stone laser? 

Kidney stone removal by laser is highly successful as per many studies like below.

According to Uygun, Ibrahim et al.’s 2012 study “Efficacy and safety of endoscopic laser lithotripsy for urinary stone treatment in children,” endoscopic holmium: yttrium aluminum garnet (YAG) laser lithotripsy has proven to be effective and safe in treating urinary stones in children. Over a period of six years, the study reviewed 120 laser lithotripsy procedures performed on 111 children with stones located in various parts of the urinary tract. The results indicate a high success rate, with complete stone clearance achieved in 91.9% of patients. Additionally, the study found no major complications during or after the procedures, confirming the efficacy and safety of holmium laser lithotripsy for treating urinary stone locations in children of all ages.

In a 2018 paper published in the International Brazilian Journal of Urology by Prattley, Sarah et al., the outcomes of ureteroscopy for the treatment of stone disease in elderly patients (≥70 years) were assessed over a period of five years. The study aimed to evaluate the feasibility and outcomes of ureteroscopy in this demographic, which is often underreported in the literature. The findings shed light on the efficacy and safety of ureteroscopy as a treatment modality for urolithiasis in elderly patients, providing valuable insights for clinical practice and decision-making.

What are the advantages of laser lithotripsy?

This procedure holds several advantages. Firstly, being minimally invasive, it reduces the chances of complications compared to traditional surgery. This aspect ensures that the procedure remains an outpatient one, meaning patients can return home on the day of their procedure.

Secondly, the use of a stent, which is placed during the procedure to facilitate the stone’s passage, is typically removed in the office, simplifying post-procedure care.

Another benefit is that laser lithotripsy specifically designed to break up stones, such as utilizing the pulse using the Moses effect, precisely targets stones while minimizing damage to surrounding tissues. This precision reduces the risk of blood in the urine or pain in the penis following the procedure.

Moreover, since the laser is passed through the urethra into the bladder, there’s no need for incisions, contributing to a quicker recovery. If for any reason a patient needs to reschedule the procedure, the process is straightforward, ensuring treatment is accessible when needed. 

What are the side effects of laser treatment for kidney stones?

Laser lithotripsy, a urology procedure utilized to break up kidney stones, employs a focused laser beam directly targeting stones in your kidney or ureter, rendering them into smaller stone fragments that can pass more easily through the urinary tract.

The primary side effects of this treatment involve discomfort or pain necessitating pain medication, primarily due to the passage of stone fragments and the irritation they cause within the urinary tract. In some instances, the procedure requires the placement of a stent within the ureter to ensure the fragments’ smooth passage, which may introduce its own set of complications such as increased urge to urinate or bladder discomfort. 

Additionally, although laser lithotripsy effectively minimizes the size of kidney stones, its action can occasionally lead to urinary tract infections or bleeding, especially if the stone fragments do not clear completely or cause damage to the surrounding tissue during their passage. Despite these potential side effects, laser lithotripsy presents a significant advantage over traditional ESWL (Extracorporeal Shock Wave Lithotripsy) by offering a more targeted approach that reduces the risk of injury to other tissues and enables the treatment of stones that ESWL might not effectively address. 

How long does it take to recover from laser kidney stone surgery?

Recovery time from laser kidney stone surgery varies. External shock wave lithotripsy or ureteroscopy with laser lithotripsy typically allow for normal activities within two to three days. Stone fragments usually pass within 24 hours, though large stones may take weeks. Pain and nausea post-surgery can persist for 4 to 8 weeks, but most people resume regular activities within a week.

FAQ

Is laser treatment for kidney stones safe?

Laser treatment for kidney stones is generally safe and effective. It involves using a laser to break down stones into smaller fragments, which can then be passed out of the body naturally. While precautions are necessary to avoid adverse events, such as careful patient selection and technique, laser lithotripsy is considered safer compared to other methods, with lower complication rates and quicker recovery times.

Is laser lithotripsy painful? 

During laser lithotripsy, patients may receive anesthesia to ensure they don’t feel pain. The procedure involves inserting tools through the urethra into the ureter and possibly the kidney without causing discomfort. However, after the procedure, patients may experience a burning sensation while urinating or mild to moderate pain in the flank or bladder area, which is typically manageable with medication.

What is the recovery time for kidney stone laser treatment?

Recovery time for kidney stone laser treatment depends on the procedure. Generally, patients can resume normal activities within one to two days after laser lithotripsy. This minimally invasive procedure breaks down stones into tiny pieces, allowing for faster recovery compared to other methods. Some may require a week for full recovery, but most experience significant improvement within a couple of days, with minimal discomfort.

How much pain is normal after laser lithotripsy?

After laser lithotripsy, patients may experience various levels of discomfort. Commonly reported sensations include a burning feeling during urination and mild to moderate pain in the flank or bladder area. Some individuals may also notice blood in their urine, which is generally expected and resolves over time. Severe pain that persists or heavy bleeding warrants immediate medical attention, while mild to moderate discomfort typically subsides as the body heals.

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