Drug’s of the Heart Failure - Cardiology Update FK UNAND · 1 cc = 0,08 mg = 80 mikro Infus ......
Transcript of Drug’s of the Heart Failure - Cardiology Update FK UNAND · 1 cc = 0,08 mg = 80 mikro Infus ......
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Drug’s of the Heart Failure
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Diuretics
For achieving optimal volume status
eliminate or minimize congestion
• High doses of i.v diuretics 2-3 times
daily
• More effective with continous i.v.
• Combination diuretics
• Resistent diuretics” is a common
problem
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Diuretics
For achieving optimal volume status
eliminate or minimize congestion
• High doses of i.v diuretics 2-3 times daily
• More effective with continous i.v.
• Combination diuretics
• Resistent diuretics” is a common problem
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Indication and dosing of diuretics in AHF
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FUROSEMID
Pengenceran :
syringe pump : 100 mg (5 amp) /50 cc NaCl 0,9%
1 cc = 2 mg
Infus
90 cc NaCl 0,9% + 100 mg (5 amp) 100 cc= 100 mg
1cc = 1 mg
Misal dosis furosemid yang diinginkan 5 mg /jam
mikrodrip (5 cc/jam) = 300/60 menit = 5 tts/menit
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Morphine and its analogues
In patient present with restlessness and dyspnoea
Morphine induces • Venodilatation• Mild arterial dilatation• Reduce heart rate
Dose : 3 mg IV bolus, rate 1 mg/min.Repeated if required
ESC guidelines Acute Heart Failure, 2012
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Cara pengenceran
Morphine 1 ampul @1cc = 10 mg
Encerkan dengan aqua 10 cc
1 cc = 1 mg
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VasodilatorsNitroprusside, Nitroglycerin, Nitrate family
Work by cGMP mediated smooth muscle
relaxation -> vasodilation
Decrease myocardial work by afterload
and preload reduction
May cause hypotension
May cause headache
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Elkayam, The American Journal of Cardiology
Nitrate
Not evaluated by large scale studies
Many studies shown their favorable effect
Limitation
Side effect
Nitrate Resistance
Nitrate Tolerance
Prevention
Intermittent dosing : 12 hour nitrate free interval
Escalating dose
Concomitant use of hydralazine
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Intravenous Vasodilator used to treat AHF
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pengenceran ISDN
Sediaan ISDN ampul 10 cc = 10 mg
Syringe pump tanpa diencerkan 1 cc = 1 mg
Infus
1 amp (10 mg) dalam 100 cc NaCl 0,9%
100 cc = 10 mg
1 cc = 0,1 mg
Misal : dosis yang diinginkan 2 mg/jam
20 cc/jam
Makrodrip 20 tts x 20 = 400 tts/jam = 7 tts/menit
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Felker GM. Am Heart J. 2001;142:393–401.
The use of inotropes as a treatment of :
• cardiogenic shock
• diuretic/ACE inhibitor– refractory heart failure
decompensations
• a short-term bridge to definitive treatment, such
as revascularization or cardiac transplantation,
is potentially appropriate
Role of Inotropic Therapy in Acute Heart Failure
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Inotropic Agent
Indication :
Peripheral hypoperfusion (hypotension, decrease renal function) with or without congestion
Patients with CHF :
Clinical course, symptom and prognosis may depend on
haemodynamics parameter
Improvement of haemodynamics may become a goal of
treatment
Beneficial effect of improvement haemodynamics
potentially counteract by the rise of arrythmia (increase
oxygen demand, Ca++ loading, excessive increase in
energy) may potentially harmful ESC, Acute Heart Failure, 2012
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Inotropes:
Dopamine, Dobutamine, Milrinone
• Improve cardiac output
- by directly increasing cardiac contractility
• Significant proarrhythmic effects
• May precipitate ischemia
• Not recommended for routine use in AHF, but
clearly have a role in specific patients
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Inotropic AgentsDopamine Is dose dependent and they involve in three different receptors.
In low dose (< 2 g/kgBW/min),
vasodilatation occurs predominantly in renal, coronary, and cerebral vascular
beds.
At doses > 5 g/kgBW/min dopamine
will increase peripheral vascular resistance via adrenergic receptors
However if no response is seen in diuresis the therapy should be
terminated
(Level of evidence C, class IIb)
ESC, Acute Heart Failure, 2005
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Drugs used to treat AHF that are positive
inotropes or vasopressor or both
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pengenceran Sediaan 200/5 ml
Syringe pump 200 mg/50 cc NaCL 0,9%
Dosis sesuai tabel
Infus
200 cc +200 mg dopamin 1 cc = 1 mg = 1000 mikrogram
Misal : pasien dengan BB 50 kg memerlukan drip dopamin 5 mikro/KgBB/menit
Kebutuhan 5 x 50 kg = 250 mikrogram/menit 0,25 cc/menit
Mikrodrip : 0,25 x 60 = 15 tts/menit
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Dobutamine
Clinical action is dose dependent positive inotropic and chronotropic effects.
In low dose induce arterial vasodilatation and in higher induce arterial vasoconstriction
Inotropic Agents
ESC, Acute Heart Failure, 2005
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dobutamin
Sediaan 5 cc= 250 mg
syringe pump
50 cc = 250 mg
1 cc = 5 mg
dosis sesuai tabel
Infus
250 cc NaCl 0,9% + 250 mg dobutamin
1 cc = 1 mg
Misal : pasien dengan BB 50 kg memerlukan drip dobutamin 5 mikro/KgBB/menit
Kebutuhan 5 x 50 kg = 250 mikrogram/menit 0,25 cc/menit
Mikrodrip : 0,25 x 60 = 15 tts/menit
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Nor ephinefrine
Sediaan
4 ml = 4 mg
Syringe pump
50 cc = 4 mg
1 cc = 0,08 mg = 80 mikro
Infus
1 ampul dilarutkan dalam 200 cc NaCl 0,9%
200 cc = 4 mg
1cc = 0,02 mg = 20 mikro
Misal pasien dengan BB 50 kg membutuhkan Norephinefrin 0.1 mikro/kgBB/menit
50 x 0.1 = 5 mikro/menit
= 0,25 cc
Tetesan = 60 x 0,25 = 15 tts mikro
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Phosphodiesterase inhibitors
Block the breakdown of cyclic AMP into
AMP (milrinone, enoximone)
In advance HF, associated with inotropic,
lusitropic, vasodilating effects
Intermediate between vasodilator and
predominant inotrope
Inotropic Agents
ESC, Acute Heart Failure, 2012
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Terima kasih
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