Call us : +91 - 9246522330

Our Services

Home » Our Services »Facilities » ESWL


Extracorporeal Shockwave Lithotripsy (ESWL)  

Overview of ESWL

Extracorporeal shock wave lithotripsy (ESWL) uses sound waves or shock waves to break stones into small fragments that can pass spontaneously. It is performed usually as an outpatient procedure whilst awake or Sometimes with sedation. Usually, you can go home immediately after, although it may need to be repeated.

Reasons for having ESWL:

Usually, there is a stone present within the kidney or upper part of the ureter that will not pass by itself. The stone may sometimes cause pain or sometimes no pain at all, although it may impede the passage of urine from the kidney down to the bladder. Usually, the stone will be less than 2 cm in size, although sometimes larger. Stones present in the ureter may be treated where they are or sometimes pushed up into the kidney before treatment. To do this, a procedure under general anaesthetic would normally be required before the ESWL itself.

Advantages of ESWL:

There are several advantages of ESWL over other treatments for stones. These include:

How is ESWL performed:

When you arrive, you may need to change into differentclothes. Sometimes, it is necessary to have another x-ray  before treatment. After you enter the room with the ESWL machine, you will be asked to lie down on the treatment table. If the stone is in the kidney, you are usually asked to lie face down, but if the stone is in the ureters, you will probably be asked to lie on your back. Once you are comfortable on the treatment table, the stone will be located either by X-ray  or ultrasound. During this time, it is important to stay as possible during this time. This is important so that the shock waves can be accurately focused on the stone.Movement and deep breathing will make it difficult for the shock  waves to hit the stone. Before we put the Lithotripter treatment head (a cushion with water inside) to your back/front  we will put. Some ultrasound jelly is applied to the skin and then a cushion containing water is positioned to allow the shock waves to be delivered to the stone. The jelly is water-based will wash off.

The treatment usually lasts between 20 and 40 minutes; you will hear a  “clicking” noise and feel something like a “flicking” on your back/front. Some people have said that it feels a bit like a small electric shock. The power or intensity may increase during the procedure so that the stone can be completely broken. It may feel uncomfortable but should be bearable and additional pain killers can be given.      
After ESWL: