extended thromboprophylaxis or real concern? arman...
TRANSCRIPT
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Arman Qamar, MDVascular Medicine SectionCardiovascular DivisionBrigham and Women’s HospitalHarvard Medical School
www.brighamandwomens.org/heart
Extended Thromboprophylaxisin Medically Ill Patients: TheoryOr Real Concern?
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Disclosures•None
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Agenda
• Discuss real-world presentations of VTEin medically ill patients
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Case 1
• 73 yoM with history of OSA, COPD, & strokepresented with acute onset dyspnea
• He is s/p hospitalization for COPD 2 wks ago
• HR 130 BP 90/60 RR 30 O2 sat 90% on RA
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CT Angiogram showed Saddle PE
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RV
• sPESI ≥ 1
• RV/LV ratio 1.5
• Troponin T 0.52 µg/L
• NT-proBNP 1800 pg/mL
• Echo- +RV strain
Risk Stratification: High
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Rx: Surgical Embolectomy
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Q. Was this Preventable?
A.YesB.No
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Case 2
• 65 yoF with history of hypertension, T2DM & HFpEF p/w acute onset pleuritic chest pain
• She is s/p hospitalization for CHF 3 wks ago
• HR 90 bpm BP 120/70 O2 sat 93% on RA
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CT Angiogram: Bilateral PE
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Risk Stratification: Intermediate Low
• sPESI ≥ 1• RV/LV ratio 1.3
• Troponin T <0.01 µg/L• NT-proBNP <300 pg/mL• Echo- no RV strain
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• Enoxaparin (1mg/kg BID) till resolution of chest discomfort
• Discharged on a NOAC
• Normal hypercoagulable work up
Clinical Management
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Q. Was this Preventable?
A.YesB.No
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Case 3• 60 yoF with history of SLE and chronic back pain p/w severe right lower extremity pain & swelling
• She is s/p hospitalization for pneumonia2 weeks ago
• HR 70 BP 130/70 RR 12 O2 sat 98 on RA
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Duplex US: Common Femoral Vein DVT
Reflux
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Clinical Management
• Initial treatment with unfractionated heparin
• Underwent catheter directed thrombolysis (CDT)for severe symptoms
• Discharged on a NOAC after 4 days of hospital stay
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Q. Was this Preventable?
A.YesB.No
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Summary
• Despite in-hospital thromboprophylaxis, 75% of VTE’s occur after discharge
• ~ 50% VTE’s occur in first 6 weeks of discharge
• Currently, no anticoagulant is approved for extended VTE prophylaxis in medically ill patients
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Summary
• Betrixaban offers safe and effective extendedthromboprophylaxis in medically ill patients
(NEJM 2016; 375: 534-544)
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