Obstructive Uropathy Flashcards
1
Q
What are 3 common locations of obstruction?
A
- Ureto-pelvic junction
- Ureter crossing over iliac vessels
- Ureter meeting the bladder
2
Q
What is the MOST common location of obstruction?
A
Ureter meeting the bladder AKA the ureto-vesicular junction
3
Q
What drug can cause renal papilla necrosis and lead to obstruction?
A
Phenacetin
4
Q
What is a common cause of obstruction in pediatric patients?
A
Ureto-pelvic junction intramural obstruction
5
Q
Urethral Stricture Disease
A
Due to scarring often from STDs like gonorrhea/chlamydia
6
Q
Hydronephrosis
A
Dilation of pelvis and calyces of the kidney - not always due to obstruction
7
Q
Postobstructive Diuresis
A
Marked polyuria can be seen after relief of BUO or obstruction of a solitary kidney
8
Q
What are some possible cures of post obstructive diuresis?
A
- downregulation of sodium transporters
- loss of medullary interstitial solute gradient
- poor response to ADH
