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Pyeloplasty is a type of surgical procedure performed to treat an uretero-pelvic junction obstruction if residual renal function is adequate. [1]This revision of the renal pelvis treats the obstruction by excising the stenotic area of the renal pelvis or uretero-pelvic junction and creating a more capacious conduit using the tissue of the remaining ureter and renal pelvis.
The urostomy is fashioned as previously described and connected by ureteroenteric anastomosis to the transplant ureter. Urinary tract infections are unfortunately very common because stomas are natural colonisers of bacteria; in transplant patients, antibiotic treatment, often over a long term and more frequent appliance changes are effective ...
The bottom two images show an inflamed urethra. If a patient has a stone lodged higher in the urinary tract, the physician may use a much finer calibre scope called a ureteroscope through the bladder and up into the ureter. (The ureter is the tube that carries urine from the kidney to the bladder.)
Obstruction of the ureter most commonly occurs at the site where the ureters are reconnected to the urinary diversion created. A small, hollow, flexible tube called a stent may be placed inside the ureter at the time of surgery to possibly help the reconnection site to heal. This reconnection site is also at risk for leaking urine within the ...
Risks during surgery include heart problems, pulmonary (lung) complications, development of blood clots , blocking of arteries , and injury to adjacent structures, such as bowel or vascular entities. Inadequate ureteral length may also be encountered, leading to ureteral kinking and subsequent obstruction.
Ureteral stent Ureteral stent (detail) A ureteral stent (pronounced you-REE-ter-ul), or ureteric stent, is a thin tube inserted into the ureter to prevent or treat obstruction of the urine flow from the kidney. The length of the stents used in adult patients varies between 24 and 30 cm. Additionally, stents come in differing diameters or gauges ...
The contrast medium is slowly injected or dripped in. The level of bladder filling is observed by taking intermittent images using fluoroscopy. The early filling of the bladder should be monitored carefully to detect any accidental placement of the catheter in the distal ureter or vagina and to detect any reflux of contrast into the ureters ...
Urinary tract obstruction is a urologic disease consisting of a decrease in the free passage of urine through one or both ureters and/or the urethra. It is a cause of urinary retention. Complete obstruction of the urinary tract requires prompt treatment for renal preservation. [1]