16.4 Flashcards

(61 cards)

1
Q

mostly associated with orofacial disease,

A

HSV Type 1 (HSV-1)

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2
Q

usually being associated with genital infection.

A

HSV Type 2 (HSV-2)

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3
Q

is increasingly becoming a more common cause of genital mucosal infections in young women i

A

HSV-1

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4
Q

greatest during childhood

HSV 1 or 2?

A

1

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5
Q

Rates of infection with HSV-1 increase with __ and __

A

age and reduced socioeco- nomic status.

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6
Q

t/f

infected with HSV-1 or HSV-2 are asymptomatic, they still can transmit the virus.

A

T

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7
Q

the rate of acquisition of HSV-2 infection is higher for

women or men?

A

women

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8
Q

genital HSV infec- tions significantly increase the risk for acquisition and transmission of __

A

HIV

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9
Q

Primary infections with HSV, namely those that develop in persons without preexisting immunity to either HSV-1 or HSV-2, are usually more __

A

severe, frequently involve systemic signs and symptoms,

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10
Q

___are most commonly associated with a primary HSV-1

A

Herpetic gingivostomatitis and pharyngitis

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11
Q

perioral facial area, mainly the lips, with the ___ being the most commonly affected area

A

outer one-third of the lower lip

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12
Q

Two-thirds of labial lesions involve the____and the rest occur at the junction of the border with the skin

A

vermilion border

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13
Q

Prodromal symptoms precede herpes labialis in __ to __% of episodes. Patients experience___

A

45 to 60%

pain, burning, or itching at the site of the subsequent eruption

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14
Q

The progression of classical herpes orofacial lesions has been divided according to the following stages based on their features:__, __ and __

A

the developmental stage (disease stage) (resolution stage)

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15
Q

the developmental stage

A

prodromal, erythema, and papule

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16
Q

(disease stage)

A

vesicle, ulcer, and hard crust

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17
Q

resolution stage

A

dry flaking and residual swelling

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18
Q

HSV lesions usu- ally resolve within __

A

5 to 15 days.

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19
Q

Triggers for oral herpes recurrences include

A

emotional stress, illness, exposure to sun, trauma, fatigue, menses, chapped lips, and the season of the year

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20
Q

___ 120 times less likely to reactivate

HSV1 or HSV2?

A

HSV2

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21
Q

HSV 2, In males, lesions commonly occur on the in females, lesions may involve the vulva, perineum, buttocks, vagina, or cervix.

A

glans penis or the penile shaft;

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22
Q

HSV 2, in females, lesions may involve the

A

vulva, perineum, buttocks, vagina, or cervix.

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23
Q

occurs in more than 80% of women with primary infection. It can pres- ent as purulent or bloody vaginal discharge;

A

HSV cervicitis

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24
Q

Without treatment, the genital lesions usually heal in .

A

6 to 10 days

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25
__ and __ are antimicrobial peptides that inhibit HSV replication.
Cathelicidin and beta-defensins
26
results from widespread infection follow- ing inoculation of virus to skin damaged by eczema.
Eczema herpeticum (Kaposi varicelliform eruption)
27
Recurrences are usually far__ than the first infec- tion.
milder
28
Eczema herpeticum of the young infant is a __ and early treatment with__ can prove lifesaving.
medical emergency, acyclovir
29
Recurrent HSV infection is the most common pre- cipitating event in cases of recurrent ___
erythema mul- tiforme
30
account for more than 50% of cases of neonatal herpes
The encephalitic and disseminated disease forms
31
is the most commonly identified acute, sporadic viral encephalitis
HSV encephalitis
32
AIDS or transplantation recipients, are at particular risk for
progressive mucocutaneous or visceral infections
33
For patients with active lesions, virus can be isolated in cell culture. In culture, HSV causes typical cytopathic effects, and most specimens will prove positive within __ hours after inocula- tion.
48 to 96
34
solation of virus is most successful when lesions are cultured during the ___ and when specimens are taken from __ or __
vesicular stage immunocompromised patients or from patients suffer- ing from a primary infection.
35
is more sensitive than viral isolation and has become the preferred method for diagnosis
PCR
36
A giant, multinucleated keratino- cyte on a ___stained smear obtained from a vesicle base.
Giemsa smear for Tzanck cells.
37
pathology
. Multinucleated cells with intranuclear eosinophilic inclusion bodies can be seen.
38
Patients with genital herpes should be counseled to refrain from sexual intercourse during outbreaks and for__days after
1 to 2
39
risk of transmit- ting herpes to the baby during childbirth is extremely (low/high)
low
40
primary HSV infec- tion during pregnancy should be treated with
antiviral therapy.
41
prophylactic therapy with __for infants born to mothers with primary infection;
intravenous acyclovir
42
Treatment is warranted for infections that are
likely to prove protracted, highly symptomatic, or complicated.
43
is approved by the FDA for nonprescription treatment of recurrent herpes labialis.
Docosanol 10% cream
44
For disseminated or severe herpes infections, the treatment of choice remains __
intravenous acyclovir 10 to 15 mg/kg every 8 hours.
45
The dose of intravenous acyclovir for neonatal herpes is
20 mg/kg per dose given every 8 hours.
46
Antiviral treat- ment of initial herpes episodes (does/ does not) decrease subsequent recurrences,
does not
47
Treatment of recurrent episodes of genital herpes reduces the time of healing from approximately__ days, time of cessation of viral shedding from 4 to 2 days, and duration of symptoms from 4 to 3 days
7 to 5
48
HSV gingivostomatitis should be treated with
oral acyclovir.
49
pediatric dose of acyclovir
is 15 mg/kg of acyclo- vir suspension orally 5 times a day for 7 days
50
not currently approved for use in children.
Valacyclovir and famciclovir
51
stage susceptible for treatment in oral herpes. what is the treatment?
prodromal/erythema penciclovir 1% cream q2 hours x 4days or docosanol 10% cream 5x a day, oral acyclovir 400mg 5x x 5 days
52
are not beneficial in recurrent herpes labialis.
Creams and ointments containing 5% and 10% acyclovir
53
Both perioperative ___ and ___ appeared to reduce the recurrence of orofacial HSV in patients undergoing facial laser resurfacing.
famciclovir (125 or 250 mg orally twice daily given 1 to 2 days before to 5 days after the procedure) and valacyclovir (500 mg twice daily for 14 days, starting either a day before or the day of the procedure)
54
are effective in shortening the duration of dendritic and geographic keratitis
topical + oral antivirals
55
does not require activation by HSV thymidine kinase and is usually effective in the treatment of acyclovir-resistant HSV. mode of delivery
Foscarnet and cidofovir IV
56
Foscarnet, SE
nephrotoxicity, electrolyte disturbances, anemia, and seizures.
57
Intravenous cidofovir is associated with considerable nephrotoxicity and requires the coadministration of ___ and ___
saline hydration and probenecid
58
. A few patients with acyclovir-resistant genital herpes have responded to ____causes severe inflammation in some pat
imiquimod 5% cream.
59
HSV infection can be prevented by ___, ___ and ___
total abstinence, Condoms and Male circumcision
60
was effective in reducing the transmission of HSV-2
Valacyclovir 500 mg once daily
61
showed a 50% reduction in HSV-2 genital shedding after vaccination.
HSV-2 gD2 and ICP4 protein