Mosby's 2014 Nursing Drug Reference (66 page)

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bisoprolol (Rx)

(bis-oh′pro-lole)

Zebeta

Func. class.:
Antihypertensive

Chem. class.:
β
1
-Blocker

Do not confuse:
Zebeta
/DiaBeta/Zetia

ACTION:

Preferentially and competitively blocks stimulation of β
1
-adrenergic receptors within cardiac muscle (decreases rate of SA node discharge, increases recovery time), slows conduction of AV node, decreases heart rate, which decreases O
2
consumption in myocardium; decreases renin-angiotensin-aldosterone system; inhibits β
2
-receptors in bronchial and vascular smooth muscle at high doses

USES:

Mild to moderate hypertension

Unlabeled uses:
Stable angina, stable CHF

CONTRAINDICATIONS:

Hypersensitivity to β-blockers, cardiogenic shock, heart block (2nd, 3rd degree), sinus bradycardia, CHF, cardiac failure

Precautions:
Pregnancy (C), breastfeeding, children, major surgery, diabetes mellitus, thyroid/renal/hepatic disease, COPD, asthma, well-compensated heart failure, aortic or mitral valve disease, peripheral vascular disease, myasthenia gravis

 

Black Box Warning:

Abrupt discontinuation

DOSAGE AND ROUTES
Calculator
Hypertension

• Adult: PO
2.5-5 mg/day; may increase to 20 mg/day if necessary; max 20 mg/day

Renal/hepatic dose

• Adult: PO
CCr <40 ml/min 2.5 mg, titrate upward

Angina (unlabeled)

• Adult: PO
5-20 mg/day

Heart failure (unlabeled)

• Adult: PO
1.25 mg/day × 48 hr, then 2.5 mg/day for 1st mo, then 5 mg/day; max 10 mg/day

Available forms:
Tabs 5, 10 mg

Administer:

• 
Product before meals, bedtime; tab may be crushed, swallowed whole; may give without regard to meals

• 
Reduced dosage with renal/hepatic dysfunction

SIDE EFFECTS

CNS:
Vertigo, headache, insomnia, fatigue, dizziness, mental changes, memory loss, hallucinations, depression, lethargy,
drowsiness, strange dreams, catatonia, peripheral neuropathy

CV:
Ventricular dysrhythmias, profound hypotension, bradycardia, CHF,
cold extremities, postural hypotension,
2nd- or 3rd-degree heart block

EENT:
Sore throat; dry, burning eyes

ENDO:
Increased hypoglycemic response to insulin

GI:
Nausea, diarrhea, vomiting,
mesenteric arterial thrombosis,
ischemic colitis, flatulence, gastritis, gastric pain

GU:
Impotence, decreased libido

HEMA:
Agranulocytosis, thrombocytopenia,
purpura, eosinophilia

INTEG:
Rash, flushing, alopecia, pruritus, sweating

MISC:
Facial swelling, weight gain, decreased exercise tolerance

MS:
Joint pain, arthralgia

RESP:
Bronchospasm,
dyspnea, wheezing, cough, nasal stuffiness

PHARMACOKINETICS

Peak 2-4 hr, half-life 9-12 hr, 50% excreted unchanged in urine, protein binding 30%-36%, metabolized in liver to inactive metabolites

INTERACTIONS

Increase:
hypotension—reserpine, guanethidine

Increase:
myocardial depression—calcium channel blockers

Increase:
antihypertensive effect—ACE inhibitors, α-blockers, calcium channel blockers, diuretics

Increase:
bradycardia—digoxin, amiodarone

Increase:
peripheral ischemia—ergots

Increase:
antidiabetic effect—antidiabetics

Decrease:
antihypertensive effect—NSAIDs, salicylates

Drug/Herb

Increase:
β-blocking effect—hawthorn

Decrease:
β-blocking effect—ephedra

Drug/Lab Test

Increase:
AST, ALT, ANA titer, blood glucose, BUN, uric acid, potassium, lipoprotein

Interference:
glucose/insulin tolerance tests

NURSING CONSIDERATIONS
Assess:

• 
Hypertension:
B/P during beginning treatment, periodically thereafter; pulse q4hr: note rate, rhythm, quality; apical/radial pulse before administration; notify prescriber of any significant changes (pulse <50 bpm)

• 
Baselines of renal, hepatic studies before therapy begins

• 
CHF:
I&O, weight daily; increased weight, jugular venous distention, dyspnea, crackles, edema in feet, legs daily

• 
Skin turgor, dryness of mucous membranes for hydration status, especially for geriatric patients

Perform/provide:

• 
Storage protected from light, moisture; place in cool environment

Evaluate:

• 
Therapeutic response: decreased B/P after 1-2 wk

Teach patient/family:

 

Black Box Warning:

Not to discontinue product abruptly; may cause precipitate angina, rebound hypertension; evaluate noncompliance

• 
Not to use OTC products that contain α-adrenergic stimulants (e.g., nasal decongestants, OTC cold preparations) unless directed by prescriber

• 
To report bradycardia, dizziness, confusion, depression, fever, cold extremities

• 
To take pulse at home; advise when to notify prescriber

• 
To avoid alcohol, smoking, sodium intake

• 
To comply with weight control, dietary adjustments, modified exercise program

• 
To carry emergency ID to identify product, allergies

• 
To avoid hazardous activities if dizziness is present

 
To report symptoms of CHF: difficulty breathing, especially on exertion or when lying down, night cough, swelling of extremities

• 
That, if diabetic, product may mask signs of hypoglycemia or alter blood glucose levels

TREATMENT OF OVERDOSE:

Lavage, IV atropine for bradycardia; IV theophylline for bronchospasm; digoxin, O
2
, diuretic for cardiac failure; hemodialysis, IV glucose for hypoglycemia; IV diazepam or phenytoin for seizures

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

HIGH ALERT
bivalirudin (Rx)

(bye-val-i-rue′din)

Angiomax

Func. class.:
Anticoagulant

Chem. class.:
Thrombin inhibitor

ACTION:

Direct inhibitor of thrombin that is highly specific; able to inhibit free and clot-bound thrombin

USES:

Unstable angina in patients undergoing percutaneous transluminal coronary angioplasty (PTCA), used with aspirin; heparin-induced thrombocytopenia, with/without thrombosis syndrome

Unlabeled uses:
Acute MI, DVT prophylaxis

CONTRAINDICATIONS:

Hypersensitivity, active bleeding, cerebral aneurysm, intracranial hemorrhage, recent surgery, CVA

Precautions:
Pregnancy (B), breastfeeding, children, geriatric patients, renal function impairment, hepatic disease, asthma, blood dyscrasias, thrombocytopenia, GI ulcers, hypertension

DOSAGE AND ROUTES
Calculator

• Adult: IV BOL
0.75 mg/kg then
IV INF
1.75 mg/kg/hr for 4 hr; another
IV INF
may be used at 0.2 mg/kg/hr for ≤20 hr; this product is intended to be used with aspirin (325 mg/day) adjusted to body weight

Renal dose

• Adult: IV
CCr ≥30 ml/min no adjustment; CrL 10-29 ml/min consider reducing to 1 mL/kg/hr

Acute MI (unlabeled)

• Adult: IV BOL
0.25 mg/kg then
CONT IV INF
0.5 mg/kg/hr × 12 hr

DVT prophylaxis (unlabeled)

• Adult: SUBCUT
1 mg/kg q8hr for those undergoing orthopedic surgery

Available forms:
Inj, lyophilized 250 mg/vial

Administer:

• 
Before PTCA; give with aspirin (325 mg)

IV, direct route

• 
Dilute by adding 5 ml of sterile water for inj/250 mg bivalirudin, swirl until dissolved, further dilute in 50 ml of D
5
W or 0.9% NaCl (5 mg/ml), give by bolus inj 0.75 mg/kg, then intermittent inf

Continuous IV INF route

• 
To each 250-mg vial add 5 ml of sterile water for inj, swirl until dissolved, further dilute in 500 ml D
5
W or 0.9% NaCl (0.5 mg/ml); give inf after bolus dose at a rate of 1.75 mg/kg/hr; may give an additional inf at 0.2 mg/kg/hr

• 
Do not mix other IV medications with bivalirudin or provide via the same IV line as bivalirudin

Y-site compatibilities:
Abciximab, acyclovir, alfentanil, allopurinol, amifostine, amikacin, aminocaproic acid, aminophylline, amphotericin B liposome, ampicillin, ampicillin-sulbactam, anidulafungin, argatroban, arsenic trioxide, atenolol, atracurium, atropine, azithromycin, aztreonam, bleomycin, bumetanide, buprenorphine, busulfan, butorphanol, calcium chloride/gluconate, capreomycin, CARBOplatin, carmustine, ceFAZolin, cefepime, cefoperazone, cefotaxime, cefoTEtan, cefOXitin, cefTAZidime, ceftizoxime, cefTRIAXone, cefuroxime, chloramphenicol, cimetidine, ciprofloxacin, cisatracurium, CISplatin, clindamycin, cyclophosphamide, cycloSPORINE, cytarabine, dacarbazine,
DACTINomycin, DAPTOmycin, DAUNOrubicin, DAUNOrubicin liposome, dexamethasone, dexmedetomidine, dexrazoxane, digoxin, diltiazem, diphenhydrAMINE, DOCEtaxel, dolasetron, DOPamine, DOXOrubicin, DOXOrubicin liposomal, doxycycline, droperidol, enalaprilat, ePHEDrine, EPINEPHrine, epirubicin, epoprostenol, eptifibatide, ertapenem, erythromycin, esmolol, etoposide, etoposide phosphate, famotidine, fenoldopam, fentaNYL, fluconazole, fludarabine, fluorouracil, foscarnet, fosphenytoin, furosemide, gallium, ganciclovir, gatifloxacin, gemcitabine, gentamicin, glycopyrrolate, granisetron, haloperidol, heparin, hydrALAZINE, hydrocortisone, HYDROmorphone, hydrOXYzine, IDArubicin, ifosfamide, imipenem-cilastatin, inamrinone, insulin (regular), irinotecan, isoproterenol, ketorolac, labetalol, leucovorin, levofloxacin, lidocaine, linezolid, LORazepam, magnesium, mannitol, mechlorethamine, melphalan, meperidine, meropenem, mesna, methohexital, methotrexate, methyldopate, methylPREDNISolone, metoclopramide, metoprolol, metroNIDAZOLE, midazolam, milrinone, mitoMYcin, mitoXANtrone, mivacurium, morphine, moxifloxacin, mycophenolate mofetil, nafcillin, nalbuphine, naloxone, nesiritide, niCARdipine, nitroglycerin, nitroprusside, norepinephrine, octreotide, ofloxacin, ondansetron, oxaliplatin, oxytocin, PACLitaxel, palonosetron, pamidronate, pancuronium, PEMEtrexed, PENTobarbital, PHENobarbital, phenylephrine, piperacillin, piperacillin-tazobactam, polymyxin B, potassium acetate/chloride/phosphates, procainamide, promethazine, propranolol, ranitidine, remifentanil, rocuronium, sodium acetate/bicarbonate/phosphates, streptozocin, succinylcholine, SUFentanil, sulfamethoxazole-trimethoprim, tacrolimus, teniposide, theophylline, thiopental, thiotepa, ticarcillin, ticarcillin-clavulanate, tigecycline, tirofiban, tobramycin, topotecan, vasopressin, vecuronium, verapamil, vinBLAStine, vinCRIStine, vinorelbine, voriconazole, warfarin, zidovudine, zoledronic acid

SUBCUT injection (unlabeled)

• 
May be used for DVT prophylaxis

SIDE EFFECTS

CNS:
Headache, insomnia, anxiety, nervousness

CV:
Hypo/hypertension, bradycardia

GI:
Nausea, vomiting, abdominal pain, dyspepsia

HEMA:
Hemorrhage, thrombocytopenia

MISC:
Pain at inj site, pelvic pain, urinary retention, fever,
anaphylaxis

MS:
Back pain

PHARMACOKINETICS

Excreted in urine, half-life 25 min, duration 1 hr, no protein binding

INTERACTIONS

Increase:
bleeding risk—anticoagulants, aspirin, treprostinil, thrombolytics

Drug/Herb

Increase:
bleeding risk—agrimony, alfalfa, angelica, anise, bilberry, black haw, bogbean, buchu, cat’s claw, chamomile, chondroitin, devil’s claw, dong quai, evening primrose, fenugreek, feverfew, fish oil, garlic, ginger, ginkgo, ginseng, horse chestnut, Irish moss, kava, kelp, kelpware, khella, licorice, lovage, lungwort, meadowsweet, motherwort, mugwort, nettle, papaya, parsley (large amts), pau d’arco, pineapple, poplar, prickly ash, red clover, safflower, saw palmetto, senega, skullcap, tonka bean, turmeric, wintergreen, yarrow

Decrease:
anticoagulant effect—coenzyme Q10, flax, glucomannan, goldenseal, guar gum

NURSING CONSIDERATIONS
Assess:

• 
Baseline and periodic ACT, APTT, PT, INR, TT, platelets, Hgb, Hct

 
Bleeding:
check arterial and venous sites, IM inj sites, catheters; all punctures should be minimized; fall in B/P or Hct
may indicate hemorrhage, hematoma, hemorrhage at puncture site are more common in the elderly

• 
Fever, skin rash, urticaria

• 
CV status: B/P, watch for hypo/hypertension, bradycardia

• 
Neurologic status: any focal or generalized deficits should be reported immediately

• 
PCI use: possible thrombosis, stenosis, unplanned stent, prolonged ischemia, decreased reflow

Perform/provide:

• 
Storage of reconstituted vials in refrigerator for up to 24 hr; store diluted conc at room temp for 24 hr

Evaluate:

• 
Therapeutic response: anticoagulation with PTCA; resolution of heparin-induced thrombocytopenia, thrombosis syndrome

Teach patient/family:

• 
About the reason for the product and expected results

• 
To report black, tarry stools; blood in urine; difficulty breathing

• 
Not to use any OTC, herbal product unless approved by prescriber

• 
Not to use hard-bristle toothbrush, regular razor to avoid any injury, hemorrhage may result

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

HIGH ALERT
bleomycin (Rx)

(blee-oh-mye′sin)

Blenoxane

Func. class.:
Antineoplastic, antibiotic

Chem. class.:
Glycopeptide

ACTION:

Inhibits synthesis of DNA, RNA, protein; derived from
Streptomyces verticillus;
phase specific to the G
2
and M phases; a nonvesicant, sclerosing agent

USES:

Cancer of head, neck, penis, cervix, vulva of squamous cell origin; Hodgkin’s/non-Hodgkin’s disease; testicular carcinoma; as a sclerosing agent for malignant pleural effusion

Unlabeled uses:
Cutaneous T-cell lymphoma (CTCL), hemangioma, Kaposi’s sarcoma, malignant ascites, verruca plantaris/vulgaris, osteogenic sarcoma

CONTRAINDICATIONS:

Pregnancy (D), breastfeeding, hypersensitivity, prior idiosyncratic reaction

Precautions:
Patients >70 yr old, renal/hepatic disease, respiratory disease

 

Black Box Warning:

Idiosyncratic reaction, pulmonary fibrosis

DOSAGE AND ROUTES
Calculator
Test dose

• Adult and child (unlabeled): IM/IV/SUBCUT
≤2 units for first 2 doses followed by 24 hr of observation

• Adult and child: SUBCUT/IV/IM
0.25-0.5 units/kg 1-2 ×/wk or 10-20 units/m
2
, then 1 unit/day or 5 units/wk; may also be given by
CONT INF;
do not exceed total dose of 400 units during lifetime

Renal dose

• Adult/child:
CCr 40-50 ml/min reduce dose by 30%; CCr 30-39 ml/min reduce dose by 40%; CCr 20-29 ml/min reduce dose by 45%; CCr 10-19 ml/min reduce dose by 55%; CCr 5-10 ml/min reduce dose by 60%

Cutaneous T-cell lymphoma (CTCL) (unlabeled)

• Adult: IV
15 units twice weekly with vinBLAStine and predniSONE

Kaposi’s sarcoma (unlabeled)

• Adult: IV
15 units q2wk with DOXOrubicin and vinCRIStine

Available forms:
Powder for inj, 15, 30 units/vial

Administer:

• 
Antiemetic 30-60 min before giving product to prevent vomiting; continue antiemetics 6-10 hr after treatment

• 
Topical or systemic analgesics for pain of stomatitis as ordered; antihistamines and antipyretics for fever, chills

• 
May be given IM, subcut, IV, intrapleurally, intralesionally, intraarterially

IM/SUBCUT route

• 
After reconstituting 15 units/1-5 ml or 30 mg/2-10 ml of 0.9% NaCl or bacteriostatic water for inj, rotate inj sites; do not use products that contain benzyl alcohol when giving to neonates or that contain dextrose because of loss of potency

Intrapleural route

• 
60 units/100 ml of 0.9% NaCl administered by MD through thoracostomy tube

IV route

• 
Use cytotoxic handling procedures

• 
After reconstituting 15- or 30-unit vial with 5 or 10 ml of NS, respectively, inj slowly over 10 min or after further dilution with 50-100 ml 0.9% NaCl; give 15 units or less over 10 min through
Y
-tube or 3-way stopcock

• 
For patients with lymphoma, give 2 test doses of 2-5 units before initial dose; monitor for anaphylaxis

Y-site compatibilities:
Acyclovir, alfentanil, allopurinol, amifostine, amikacin, aminocaproic acid, aminophylline, amiodarone, ampicillin, ampicillin-sulbactam, anidulafungin, atenolol, atracurium, azithromycin, aztreonam, bivalirudin, bumetanide, buprenorphine, busulfan, butorphanol, calcium chloride/gluconate, CARBOplatin, carmustine, caspofungin, ceFAZolin, cefepime, cefotaxime, cefoTEtan, cefOXitin, cefTAZidime, ceftizoxime, cefTRIAXone, cefuroxime, chloramphenicol, chlorproMAZINE, cimetidine, ciprofloxacin, cisatracurium, CISplatin, clindamycin, codeine, cyclophosphamide, cycloSPORINE, cytarabine, dacarbazine, DACTINomycin, DAPTOmycin, DAUNOrubicin, dexamethasone, dexmedetomidine, dexrazoxane, digoxin, diltiazem, diphenhydrAMINE, DOBUTamine, DOCEtaxel, DOPamine, doxacurium, DOXOrubicin, DOXOrubicin liposomal, doxycycline, droperidol, enalaprilat, ePHEDrine, EPINEPHrine, epirubicin, ertapenem, erythromycin, esmolol, etoposide, famotidine, fenoldopam, fentaNYL, filgrastim, fluconazole, fludarabine, fluorouracil, foscarnet, fosphenytoin, furosemide, ganciclovir, gatifloxacin, gemcitabine, gentamicin, glycopyrrolate, granisetron, haloperidol, heparin, hydrALAZINE, hydrocortisone sodium succinate, HYDROmorphone, hydrOXYzine, IDArubicin, ifosfamide, imipenem-cilastatin, inamrinone, insulin (regular), irinotecan, isoproterenol, ketorolac, labetalol, leucovorin, levofloxacin, levorphanol, lidocaine, linezolid, LORazepam, magnesium sulfate, mannitol, mechlorethamine, melphalan, meperidine, meropenem, mesna, metaraminol, methohexital, methotrexate, methyldopate, methylPREDNISolone, metoclopramide, metoprolol, metroNIDAZOLE, midazolam, milrinone, minocycline, mitoMYcin, mitoXANtrone, mivacurium, morphine, nafcillin, nalbuphine, naloxone, nesiritide, niCARdipine, nitroglycerin, nitroprusside, norepinephrine, octreotide, ondansetron, oxaliplatin, palonosetron, pamidronate, pancuronium, pantoprazole, PEMEtrexed, pentamidine, pentazocine, PENTobarbital, PHENobarbital, phenylephrine, piperacillin, piperacillin-tazobactam, polymyxin B, potassium chloride, potassium phosphates, procainamide, prochlorperazine, promethazine, propranolol, quiNIDine, ranitidine, remifentanil, riTUXimab, rocuronium, sargramostim, sodium acetate, sodium bicarbonate, sodium phosphates, succinylcholine, SUFentanil, sulfamethoxazole-trimethoprim, tacrolimus, teniposide, theophylline, thiopental, thiotepa, ticarcillin, ticarcillin-clavulanate, tirofiban, tobramycin, tolazoline, trastuzumab, trimethobenzamide, vancomycin, vasopressin, vecuronium, verapamil, vinBLAStine, vinCRIStine, vinorelbine, voriconazole, zidovudine

SIDE EFFECTS

CNS:
Pain at tumor site, headache, confusion

CV:
MI, stroke

GI:
Nausea, vomiting, anorexia, stomatitis, weight loss
, ulceration of mouth, lips

GU:
Hemolytic-uremic syndrome

IDIOSYNCRATIC REACTION:
Hypotension,
confusion, fever
, chills, wheezing

INTEG:
Rash, hyperkeratosis, nail changes, alopecia
, pruritus, acne, striae, peeling, hyperpigmentation, phlebitis

RESP:
Fibrosis, pneumonitis,
wheezing,
pulmonary toxicity

SYST:
Anaphylaxis,
radiation recall, Raynaud’s phenomenon

PHARMACOKINETICS

Half-life 2 hr; when CCr is >35 ml/min, half-life is increased with lower clearance; metabolized in liver; 50% excreted in urine (unchanged)

INTERACTIONS

• 
Avoid live virus vaccines concurrently

Increase:
toxicity—other antineoplastics, radiation therapy, general anesthesia, filgrastim, sargramostim

Decrease:
serum phenytoin levels—phenytoin, fosphenytoin

Drug/Lab Test

Increase:
uric acid

NURSING CONSIDERATIONS
Assess:

• 
IM test dose in patients with lymphoma of 1-2 units before 1st 2 doses

 

Black Box Warning:

Pulmonary toxicity/fibrosis:
pulmonary function tests; chest x-ray before, during therapy, should be obtained q2wk during treatment; pulmonary diffusion capacity for carbon monoxide (DLCO) monthly, if <40% of pretreatment value, stop treatment; treat pulmonary infection before treatment; dyspnea, crackles, unproductive cough, chest pain, tachypnea, fatigue, increased pulse, pallor, lethargy, more common in the elderly, radiation therapy, pulmonary disease

• 
Temp; fever may indicate beginning infection

• 
Renal status: serum creatinine/BUN; CBC

• 
Effects of alopecia, skin color alterations on body image; discuss feelings about body changes

• 
Buccal cavity q8hr for dryness, sores, ulceration, white patches, oral pain, bleeding, dysphagia

• 
Local irritation, pain, burning, discoloration at inj site

 
Anaphylaxis:
rash, pruritus, urticaria, purpuric skin lesions, itching, flushing, wheezing, hypotension; have emergency equipment available

 

Black Box Warning:

Idiosyncratic reaction:
hypotension, mental confusion, fever, chills, wheezing

Perform/provide:

• 
Storage for 2 wk after reconstituting if refrigerated or for 24 hr at room temp; discard unused portions

• 
Rinsing of mouth tid-qid with water, club soda; brushing of teeth with baking soda bid-tid with soft brush or cotton-tipped applicators for stomatitis; use unwaxed dental floss

Evaluate:

• 
Therapeutic response: decrease in size of tumor

Teach patient/family:

• 
To report any changes in breathing, coughing, fever

• 
That hair may be lost during treatment and that wig or hairpiece may make patient feel better; that new hair may be different in color, texture

• 
To avoid foods with citric acid, hot or rough texture

• 
To report any bleeding, white spots, ulcerations in mouth; to examine mouth daily and report symptoms


 
To use contraception during treatment (pregnancy D), avoid breastfeeding


 
Not to receive vaccines during treatment

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