|
|
| (6 intermediate revisions by 2 users not shown) |
| Line 1: |
Line 1: |
| ==Background==
| | #REDIRECT[[Uremic bleeding syndrome]] |
| *Uremic toxins inhibit platelet aggregation
| |
| **Disrupts vWF
| |
| **PT/PTT normal, but bleeding time elevated
| |
| *Dialysis filter may cause thrombocytopenia
| |
| | |
| ==Treatment==
| |
| #Acute dialysis
| |
| ##pRBCs
| |
| ###Raising hct to above 25-30% improves bleeding time
| |
| ##Desmopressin
| |
| ###Simplest and least toxic acute treatment
| |
| ###Increases release of factor VIII:von Willebrand factor multimers
| |
| ###0.3 mg/kg IV (preferred) or SC (max 20mg)
| |
| ###Onset of action ~1hr, duration of action ~4-24hr
| |
| #Estrogen
| |
| ##Unclear mechanism of action
| |
| ##Onset of action within 1d
| |
| ##Options
| |
| ###Conjugated estrogen 0.6mg/kg IV or 2.5-25mg PO daily
| |
| #Cryoprecipitate
| |
| ##Only indicated for life-threatening bleeding resistant to DDAVP and blood tranfusion
| |
| #Plt transfusion
| |
| ##Minimally effective b/c infused plts quickly acquire the uremic defect
| |
| | |
| ==See Also==
| |
| *[[Coagulopathy (Main)]]
| |
| | |
| ==Source==
| |
| *Tintinalli
| |
| *UpToDate
| |
| | |
| [[Category:Heme/Onc]]
| |