Chap 149 Acute Renal Ischemia

Question 1

What is the natural history of acute arterial renal ischemia?

Answer 1

glomerular collapse and tubular necrosis
1hour warm–70% loss of Renal function that can recover within weeks
3-4hours irreversible ischemia

Question 2

What are the symptoms of renal vein thrombosis?

Answer 2

edema causes capsular distention which causes back/abdo pain
hematuria
anuria
acute HTN

Question 3

What is the classic triad for renal vein thrombosis?

Answer 3

flank mass
gross hematuria
thrombocytopenia
15%

Question 4

What is the most common causes for renal vein thrombosis?

Answer 4

malignancy

nephritic syndrome

Question 5

How do you treat renal vein thrombosis?

Answer 5

anticoagulation

Question 6

What is management of RA embolism?

Answer 6

unilateral–anticoagulation

80% success, 8% require dialysis

Question 7

What is the risk of surgical management of RA thrombosis?

Answer 7

25% mortality

Question 8

When to treat renavascular trauma?

Answer 8

bilateral injury

solitary kidney

Question 9

What are treatment options for renavascular trauma?

Answer 9

Nephrectomy, embolization, bypass, endovascular

majority non-op