Term
AVOID; significant negative inotropic effects |
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Definition
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Term
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Definition
Amlodipine, Nifedipine, Felodipine, Isradipine, Nicardipine |
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Term
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Definition
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Term
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Definition
Long-acting nifedipine, Diltiazem, Amlodipine |
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Term
Inhibits the influx of extracellular calcium across myocardial and smooth muscle cell membranes leading to VASODILATION |
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Definition
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Term
Primarily affects arteriolar vasculature; no significant effect on sinus node function or cardiac conduction |
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Definition
Amlodipine (Norvasc) and Nifedipine (Procardia XL) |
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Term
Due to gradual onset, reflex tachycardia does not occur as with other dihydropyridines |
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Definition
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Term
Dilation of pulmonary and systemic arteries; decreased peripheral resistance, systemic BP, and afterload; increased pulmonary blood flow |
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Definition
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Term
Dosing: 2.5-20 mg orally daily |
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Definition
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Term
Dosing: 120-180 mg orally daily, initially; titrate to clinical response |
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Definition
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Term
Dosing: 180 mg orally daily, initially; titrate to clinical response |
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Definition
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Term
Doses up to 720 mg have been used |
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Definition
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Term
Dosing: only use long acting formulations in PH; 30-240 mg orally daily |
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Definition
Nifedipine (Procardia XL) |
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Term
Common side effects: H/A, flushing, hypotension, peripheral edema, constipation; Serious: Hypotension, syncope, right ventricular faiure |
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Definition
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Term
Block endothelin receptors on vascular endothelium and smooth muscle |
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Definition
Endothelin Receptor Antagonists (Can be used alone or in combo with CCBs) |
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Term
Treatment of PH; to improve exercise capacity and decrease the rate of clinical deterioration (Endothelin Receptor Antagonists) |
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Definition
Ambrisentan (letairis); Bosentan (Tracleer) |
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Term
Initial Dosing: 5 mg orally daily; If tolerated may increased to max 10 mg once daily; selective for endothelin-A receptor |
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Definition
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Term
Initial Dosing: 62.5 mg orally twice daily for 4 weeks, increase to maintenance dose of 125 mg twice daily, adults less than 40 kg should be maintained at 62.5 mg twice daily (nonselective endothelin receptor antagonist (A and B) |
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Definition
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Term
Adverse Reactions: Edema, Palpitation and Flushing, headache, hemoglobin decrease, hepatotoxicity, transaminases increase, respiratory tract congestion/infection |
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Definition
Endothelin Receptor Antagonists |
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Term
Adverse Reactions: Spermatogenesis inhibition (25%) |
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Definition
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Term
Contraindications for use of Endothelin Receptor Antagonists |
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Definition
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Term
Only available through a limited distribution program; prescribers and pharmacies must be registered with these programs to prescribe and dispense these medications |
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Definition
Bosentan (Tracleer) and Ambrisentan (Letairis) |
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Term
Patient may be switched from Bosentan to this if liver function test abnormalities arise |
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Definition
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Term
Bosentan Drug Interactions |
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Definition
Contraceptives; Cyclosporine; Glyburide |
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Term
may be taken with food; do not crush or chew this medication; report unusual fatigue, N/V, abdominal pain and/or yellowing of the skin/eyes to prescribe immediately; do not get pregnant while taking this medication |
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Definition
Bosentan (Tracleer) Counseling points |
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Term
Phosphodiesterase-5 Inhibitors |
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Definition
Sildenafile (Revatio) and Tadalafil (Adcirca) |
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Term
Increased cGMP concentration results in pulmonary vasculature relaxation; vasodilation in the pulmonary bed and the systemic circulation (to a lesser degree) may occur |
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Definition
Phosphodiesterase-5 Inhibitors |
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Term
Treatment of PH (WHO Group I) to improve exercise ability and delay clinical worsening |
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Definition
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Term
Dosing: 20 mg orally 3 times/day, taken 4-6 hours apart |
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Definition
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Term
Dosing?: 40 mg orally once daily; may need dosing adjustments with CYP 3A4 inhibitors |
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Definition
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Term
Adverse Reactions include HA, Dyspepsia, Flushing, Pyrexia, Diarrhea, UTIs, Increased LFTs, Myalgia, abnormal vision, Epistaxis, Nasal congestion |
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Definition
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Term
PDE-5 Inhibitors Contraindications |
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Definition
Hypersensitivity to sildenafil or tadalafil; concurrent use of organic nitrates in any form (nitroglycerin, isosorbide dinitrate) |
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Term
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Definition
Epoprostenol, Treprostinil, Iloprost |
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Term
Strong vasodilator of all vascular beds; decreases thrombogenesis by inhibiting platelet aggregation |
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Definition
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Term
Intial Dosing: 1-2 ng/kg/minute, increase dose in increments of 1-2 ng/kg/minute every 15 minutes or longer until dose-limiting side effects are noted or tolerance limit is observed |
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Definition
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Term
Initial Dosing: 18 mcg (or 3 inhalations) every 4 hours 4 times/day; if 3 inhalations not tolerated, reduce to 1-2 inhalations, then increased to 3 inhalations as tolerated |
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Definition
Treprostinil (Remodulin): Inhalation |
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Term
Initial Dosing: new to prostacyclin therapy: 1.25 ng/kg/minute continuous, if dose cannot be tolerated due to systemic effects, reduce to 0.625 ng/kg/minute |
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Definition
Treprostinil (Remodulin): SubQ or IV |
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Term
Initial Dosing: 2.5 mcg/dose; administer 6-9 times daily |
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Definition
Illoprost (Ventavis): Inhalation |
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Term
Adverse Reactions/Events include anxiety, diarrhea, flu-like syndrome, flushing, HA, jaw pain, N/V, nervousness, pump malfunction, local site infection, catheter obstruction, sepsis |
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Definition
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Term
Epoprostenol (Flolan) Contraindications |
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Definition
Hypersensitivity, chronic use with pts w/ heart failure due to severe left ventricular systolic dysfunction, pts who develop pulmonary edema during dose initiation |
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Term
Epoprostenol (Flolan) Drug Interactions |
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Definition
Anticoagulants and Antiplatelets, Antihypertensives |
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Term
Class II Preferred Agents |
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Definition
Ambristentan, Bosentan, Sildenafil |
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Term
Class II Alternative Agents |
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Definition
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Term
Class III Preferred Agents |
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Definition
Ambrisentan, Bosentan, IV Epoprostenol, IV or SubQ Treprostinil, Inhaled Iloprost, Sildenafil |
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Term
Class III Alternative Agents |
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Definition
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Term
Class IV Preferred Agents |
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Definition
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Term
Class IV Alternative Agents |
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Definition
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Term
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Definition
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Term
Creates a right or left shunt in the atria of the heart; decompresses the right heart chamber and increases LV preload and CO; improves systemic O2 transport despite arterial O2 desaturation |
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Definition
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Term
Option for a select group of pts when medication therapy is no longer effective; this is the only "curative" treatment for PH |
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Definition
Lung Transplant or Heart-Lung Transplant |
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Term
Guidelines for Referral of patients for Transplantation |
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Definition
WHO Functional Class III or IV; MAP > 10 mmHg; MPAP > 50 mm Hg; Cardiac index < 2.5 L/min per m2; failure to improve functionally despite medical therapy; rapidly progressive disease |
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