Mosby's 2014 Nursing Drug Reference (155 page)

BOOK: Mosby's 2014 Nursing Drug Reference
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Canada only   Side effects:
italics
= common;
bold
= life-threatening   
Nurse Alert

eprosartan (Rx)

(ep-roh-sar′tan)

Teveten

Func. class.:
Antihypertensive

Chem. class.:
Angiotensin II–receptor antagonist (Subtype AT
1
)

ACTION:

Blocks the vasoconstrictive and aldosterone-secreting effects of angiotensin II; selectively blocks the binding of angiotensin II to the AT
1
receptor found in tissues

USES:

Hypertension, alone or with other antihypertensives

CONTRAINDICATIONS:

Hypersensitivity

 

Black Box Warning:

Pregnancy (D) 2nd/3rd trimesters

Precautions:
Pregnancy (C) 1st trimester, breastfeeding, children, geriatric patients, hypersensitivity to ACE inhibitors; renal/hepatic disease, angioedema

DOSAGE AND ROUTES
Calculator

• Adult:
PO
600 mg/day; dose may be divided, given bid, with total daily doses from 400-800 mg, max 900 mg/day

Available forms:
Tabs 400, 600 mg

Administer:

• 
Without regard to meals

SIDE EFFECTS

CNS:
Dizziness
, depression, fatigue, headache

CV:
Chest pain, hypotension

EENT:
Sinusitis

GI:
Diarrhea, dyspepsia
, abdominal pain

GU:
UTI

INTEG:
Pruritus,
angioedema

META:
Hypertriglyceridemia

MS:
Myalgia, arthralgia,
rhabdomyolysis

RESP:
Cough, upper respiratory infection
, rhinitis, pharyngitis, viral infection

SYST:
Anaphylaxis

PHARMACOKINETICS

Peak 1-2 hr, food delays absorption; protein binding 98%; moderate renal impairment increases product levels by 30%, hepatic impairment increases levels by 40%; excreted in urine and feces; half-life 5-9 hr

INTERACTIONS

Decrease:
antihypertensive effect—NSAIDs, salicylates

Drug/Lab Test

Increase:
ALT, AST, alk phos

Decrease:
Hgb

NURSING CONSIDERATIONS
Assess:

• 
B/P with position changes, pulse q4hr; note rate, rhythm, quality

 
Hypersensitivity reactions, including anaphylaxis

 
Myalgia, arthralgia; may cause rhabdomyolysis

• 
Baselines of renal, hepatic studies before therapy begins

• 
Edema in feet, legs daily

• 
Skin turgor, dryness of mucous membranes for hydration status

Evaluate:

• 
Therapeutic response: decreased B/P

Teach patient/family:

• 
To comply with dosage schedule, even if feeling better

• 
To notify prescriber of fever; chest pain; swelling of hands, feet, face, lip, or tongue

• 
That excessive perspiration, dehydration, diarrhea may lead to fall in B/P; consult prescriber if these occur

• 
That product may cause dizziness; to avoid hazardous activities until effect is known

 

Black Box Warning:

Not to take this product if pregnant or breastfeeding, or if have had an allergic reaction to product

• 
To take missed dose as soon as possible unless within 1 hr before next dose

• 
That therapeutic effect may take 2-3 wk

Canada only   Side effects:
italics
= common;
bold
= life-threatening   
Nurse Alert

HIGH ALERT
eptifibatide (Rx)

(ep-tih-fib′ah-tide)

Integrilin

Func. class.:
Antiplatelet agent

Chem. class.:
Glycoprotein IIb/IIIa inhibitor

ACTION:

Platelet glycoprotein antagonist; this agent reversibly prevents fibrinogen, von Willebrand’s factor from binding to the glycoprotein IIb/IIIa receptor, thus inhibiting platelet aggregation

USES:

Acute coronary syndrome including those undergoing percutaneous coronary intervention (PCI)

CONTRAINDICATIONS:

Hypersensitivity, active internal bleeding; history of bleeding, stroke within 2 yr; major surgery with severe trauma, severe hypertension, history of intracranial bleeding, current or planned use of another parenteral GP IIb/IIIa inhibitor, dependence on renal dialysis, coagulopathy, AV malformation, aneurysm

Precautions:
Pregnancy (B), breastfeeding, children, geriatric patients, bleeding, impaired renal function

DOSAGE AND ROUTES
Calculator
Acute coronary syndrome

• Adult:
IV BOL
180 mcg/kg as soon as diagnosed, max 22.6 mg, then
IV CONT
2 mcg/kg/min until discharge or CABG up to 72 hr, max 15 mg/hr

PCI in patients without acute coronary syndrome

• Adult:
IV BOL
180 mcg/kg given immediately before PCI then 2 mcg/kg/min × 18 hr CONT IV INF and a second 180-mcg/kg bolus by 10 min after 1st bolus; continue inf for up to 18-24 hr at rate of 1 mcg/kg/min

Renal dose

• Adult:
IV
maintenance CCr <50 ml/min, 1 micro mcg/kg/min, max rate 7.5 mg/hr; CCr <10 ml/min, contraindicated

Available forms:
Sol for inj 2 mg/ml (10 ml), 0.75 mg/ml (100 ml)

Administer:

• 
Aspirin and heparin may be given with this product; check for bleeding

• 
D/C heparin before removing femoral artery sheath, after PCI

Direct IV route

• 
After withdrawing bolus dose from 10-ml vial, give IV push over 1-2 min

Continuous IV INF route

• 
Follow bolus dose with continuous inf using pump; give product undiluted directly from 100-ml vial, spike 100-ml vial with vented inf set, use caution when centering spike on circle of stopper top

Y-site compatibilities:
Alfentanil, alteplase, amikacin, aminophylline, amphotericin B lipid complex, amphotericin B liposome, ampicillin, ampicillin-sulbactam, anidulafungin, argatroban, atenolol, atracurium, atropine, azithromycin, aztreonam, bivalirudin, bumetanide, buprenorphine, butorpha
nol, calcium chloride/gluconate, ceFAZolin, cefepime, cefoperazone, cefotaxime, cefoTEtan, cefOXitin, cefTAZidime, ceftizoxime, cefTRIAXone, cefuroxime, cimetidine, ciprofloxacin, cisatracurium, clindamycin, cycloSPORINE, DAPTOmycin, dexamethasone, D
5
/NaCl 0.9%, diazepam, diltiazem, diphenhydrAMINE, DOBUTamine, dolasetron, DOPamine, doxycycline, droperidol, enalaprilat, ePHEDrine, EPINEPHrine, ertapenem, erythromycin, esmolol, famotidine, fentaNYL, fluconazole, fosphenytoin, ganciclovir, gatifloxacin, gentamicin, granisetron, haloperidol, heparin, hydrocortisone, HYDROmorphone, hydrOXYzine, imipenem-cilastatin, inamrinone, isoproterenol, ketorolac, labetalol, leucovorin, levofloxacin, levorphanol, lidocaine, linezolid, LORazepam, magnesium sulfate, mannitol, meperidine, meropenem, methylPREDNISolone, metoclopramide, metoprolol, metroNIDAZOLE, micafungin, midazolam, milrinone, minocycline, mivacurium, morphine, nalbuphine, naloxone, niCARdipine, nitroglycerin, nitroprusside, NS, octreotide, ofloxacin, ondansetron, oxytocin, palonosetron, pancuronium, PEMEtrexed, PENTobarbital, PHENobarbital, phenylephrine, piperacillin, piperacillin-tazobactam, potassium chloride/phosphates, procainamide, prochlorperazine, promethazine, propranolol, ranitidine, remifentanil, rocuronium, sodium bicarbonate/phosphates, succinylcholine, SUFentanil, sulfamethoxazole-trimethoprim, teniposide, theophylline, ticarcillin, ticarcillin-clavulanate, tigecycline, tirofiban, tobramycin, trimethobenzamide, vancomycin, vecuronium, verapamil, zidovudine, zoledronic acid

Solution compatibilities:
0.9% NaCl, D
5
/0.9% NaCl

SIDE EFFECTS

CV:
Stroke,
hypotension

GU:
Hematuria

HEMA:
Thrombocytopenia

SYST:
Bleeding, anaphylaxis

PHARMACOKINETICS

Onset within 1 hr, protein binding 25%, half-life 1.5-2 hr, steady state 4-6 hr, metabolism limited, excretion via kidneys

INTERACTIONS

• 
Do not give with glycoprotein inhibitors IIb, IIIa

Increase:
bleeding—aspirin, heparin, NSAIDs, anticoagulants, ticlopidine, clopidogrel, dipyridamole, thrombolytics, valproate, abciximab

Drug/Herb

Increase:
Bleeding risk—arnica, chamomile, clove, dong quai, feverfew, garlic, ginger, ginkgo, Panax ginseng

NURSING CONSIDERATIONS
Assess:

 
Thrombocytopenia:
platelets, Hgb, Hct, creatinine, PT/APTT baseline INR within 6 hr of loading dose, daily therafter, patients undergoing PCI should have ACT monitored; maintain APTT 50-70 sec unless PCI to be performed; during PCI, ACT should be 200-300 sec; if platelets drop <100,000/mm
3
, obtain additional platelet counts; if thrombocytopenia is confirmed, discontinue product; draw Hct, Hgb, serum creatinine

 
Bleeding:
gums, bruising, ecchymosis, petechiae; from GI, GU tract, cardiac cath sites, IM inj sites

Perform/provide:

• 
Do not give discolored solutions, those with particulates; discard unused amount

• 
Discontinue product prior to CABG

• 
All medications PO if possible; avoid IM inj, all catheters

Teach patient/family:

• 
About reason for medication and expected results

• 
To report bruising, bleeding, chest pain immediately

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