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Retrograde intrarenal surgery (RIRS)

It is a newer technique of removal of stones. This has become popular after introduction of flexible ureteroscopes. It is used for removing stones. 1-1.5 cm in size that are present in kidney. A flexible ureteroscope will be passed into the kidney via bladder. Stones will be identified and broken using laser. Before the introduction of flexible ureteroscope, stones were removed by making a hole in the kidney (PCNL) . The advantage of RIRS is that there is less bleeding and no damage to renal tissue at all and better stone clearance. For flexible ureteroscope to enter the kidneys freely. We need to dilate the ureteroscopy placing a DJ Stent 2 weeks prior to RIRS is planned. Recovery is quick and patient come resumes normal activities is from 3rd day following RIRS.

Pre operative preparations

Pre operative checkups to ascertain the position of the stone, the general health condition of the patient and his response to anesthesia will be conducted one or two weeks before the admission for retrograde intrarenal surgery (RIRS). Preparations like shaving the private parts etc will be done on the previous day of the surgery. Pre operative DJ Stening will be done 2 weeks prior to RIRS surgery. This procedure is generally carried out under general anesthesia. On the day of the surgery the patient is expected to fast for 4-6 hours.

Post operative care

After completing the retrograde intrarenal surgery (RIRS) the patient will be brought to the recovery room where he will be under intensive care. The patient will be carrying a urine catheter for one day which is intended to reduce the pain and difficulty in urinating. After spinal anesthesia, 24 hours bed rest will be necessary. The patient will be advised to drink a lot of water so that a urine output of 2.5 liters/day can be maintained and infections can be avoided. If the patient is feeling well there is no need to take rest. The patient will be discharged the next day and review meeting will be scheduled after five days.

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