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For Iowa patients who achieve goal weight and wish to stop, transition planning with their prescriber including dietary adjustments and potentially a lower maintenance dose can reduce rebound
It inhibits: Vitamin K epoxide reductase (VKORC1) Activation of Factors II, VII, IX, X Protein C & S (important for early hypercoagulability!) Effect monitored by INR Dosing (very exam & practice relevant) Initial dose: Usually 5 mg once daily Lower initial dose (23 mg) if: Elderly Liver disease Heart failure High bleeding risk Target INR: Most indications (AF, DVT, PE): 2.0 3.0 Mechanical mitral valve: 2.5 3.5 Full anticoagulant effect takes 35 days Types / Form Oral drug Racemic mixture: S-warfarin more potent R-warfarin longer half-life Important clinical pearl Initial hypercoagulable state Because Protein C & S fall first risk of: Warfarin-induced skin necrosis Solution: Bridge with heparin at initiation Antidote & reversal (VERY high-yield) Antidote: Vitamin K (Phytonadione) Situation Management INR high, no bleeding Oral Vitamin K 12.5 mg Serious bleeding IV Vitamin K 510 mg Life-threatening bleeding Vitamin K + PCC (preferred) or FFP PCC = Prothrombin Complex Concentrate (fastest reversal) Side effects Bleeding (most common) Skin necrosis (Protein C deficiency) Purple toe syndrome Teratogenic contraindicated in pregnancy Many drug & food interactions Foods rich in vitamin K (spinach, broccoli) effect Contraindications Pregnancy Active bleeding Severe liver disease Poor compliance (needs frequent INR monitoring) Take-home message Warfarin is: Powerful Cheap Effective But requires knowledge, monitoring, and respect Mastering warfarin = mastering clinical pharmacology & patient safety
You dont have to follow a one-size-fits-all plan
In this current trial with four participants enrolled, intracranial electroencephalography (iEEG) electrodes are implanted in the brain of a person with obesity suffering from loss of control eating, similar to the devices used to study and treat drug-resistant epilepsy and Parkinsons disease
This has led many patients to seek treatment through private prescribing, where eligibility criteria may differ and access is faster, albeit at personal cost
Micronutrient Density: Since you will be eating significantly less, every bite must count
