ch 13 Flashcards

(33 cards)

1
Q

what is pentamidine
and what is the trade name

A

antiprotozoal agent

trade name: Nebupent

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2
Q

what is pentadine used for

A

to prevent and treat pneumocystic pneumonia in immunocompromised pt

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3
Q

what are the different ways in which pentamidine can be admistered

A

inhaled, dry power:
-300mg every 4 wks

nebulized: 5-7L/min

*filtered particles
in negative pressure isolation rm

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4
Q

what type of nebulizer is used to adminster aersolized pentamidine

A

respirgard ll
5-7L/min

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5
Q

indications for aerosolized pentamine

A

-prevention of pneumocystis pneumonia PCP (pneumocystis jiroveci)

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6
Q

local airway side effects of aersolized pentamidine

A

-cough and bronchial irritation
-shortness of breath
-bronchospasm
-spontaneous pneumothoraces

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7
Q

systemic side effects of aersolized pentamidine

A

-conjunctivitis
-rash
-low WBC
-pancreatitis
-renal insufficiency
-dysglycemia
-digital necorsis in both ft
-appearance of extrapulmonary P jiroveci infection

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8
Q

what should you use to prevent airway related effects when administering pentamidine

A

-pretreat with a B-adrenergic bronchodilator

-anti-cholinergic

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9
Q

what are the two antiviral drugs

A

-ribravirin ( virazole)

-zanamirvir ( relenza)

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10
Q

what is the trade name for ribravirin

A

virazole

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11
Q

what diseases is ribavirin used for

A

-RSV (respiratory syncytial virus)
-influenza virus
-herpes simplex virus

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12
Q

indications for ribavirin

A

treat infants with severe lower respiratory tract infections caused by RSV

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13
Q

dosage schedule of ribavirin

A

20 mg/ mL solution
12-18 hr/day
*min 3 days, max 7 days

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14
Q

what device is used to deliver Ribavirin

A

SPAG

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15
Q

what principle does the SPAG unit operate

A

shearing jet principle

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16
Q

what can RSV infection cause?

A

bronchiolitis
pneumonia

  • children exposed by 2
    seasonal: NOV-MARCH

*caused formation of large mutinucleated cells or synchtium

17
Q

when should zanamivir be used?

A

-uncomplicated influenza
-5yrs+
-symptomatic for more then 2 days
-goal: reduce severity and duration of flu symptoms

18
Q

how is zanamivir dispensed

A

DPI diskus-5mg/blister
two inhalations,. bid, 12 hrs apart for 5 days

19
Q

adverse effects of inhaled zanamivir (relenza)

A

-bronchospasm
-decreased lung function (asthma and COPD)

20
Q

what is Palivizumab (synagis)

A

-monoclonal antibody
-prevent and treat RSV in premature infants

21
Q

dosage and admin for palivizumab (synagis)

A

Injection
15 mg/ kg given monthly

22
Q

adverse reactions for palivizumab

A

-anyphylaxis
-fever
-uri
-otitis
-rhinitis
-rash
-pain
-hernia
-coughing
-wheezing

23
Q

what are the antibacterial agents

A

-tobramycin (TOBI)-amioglycoside antibiotic

-aztreonam (cayston)-monobactam antibiotic

24
Q

indications for aersolized tobramycin

A

-managment of chronic pseudomonas aeruginosa infection in cystic fibrosis

25
side effects of TOBI
parenteral: -oxttoxicity -nephrotoxicity -neuromuscular blockage -hypomagnesemia -cross allergenicity -fetal harm (deafness) nebulized TOBI: -tinnitus -voice alteration
26
dosage and admin of aersolized tobramycin
Svn or DPI 300mg/5-mL ampule BID for 28 days consecutively/28 days off -PARI LC plus device
27
indications for aersolized aztreonam (cayston)
-improve symptoms in CF pt w/. p. aeruginosa infection -bactericidal against gram negatives -not indicated for <7 yrs of age
28
dosage and admin for aztreoman (cayston)
TID for 28 days on and 28 days off -altera nebuilzer system
29
pentamidine is thought to work by
inhibiting DNA,RNA,phospholipids and pretien synthesis with in protozoa cells: disrupts ability to reproduce
30
tobramycin is a member of what antibiotic group
aminoglycosides
31
if a pt has cystic fibrosis with chronic pseudomanas aeruginosa what type of medication should you recommend
tobramycin
32
aerosolized antibiotics have been most consistently used for which disease?
CF w/ p.aeruginosa infection
33
disease assessment
pentamidine-prevent and treat PCP ribravirin- treat presense of severe RSV infection tobramycin- chronic P.aeruginosa infection in CF pt aztreonam- chronic P.aeruginosa infection in CF pt zanamivir-acute influenza infection w/in 2 day onset