STDs 3 Flashcards

1
Q

HPV

A
  • human papilloma virus
  • genital warts
  • virus
  • there are 25 types of genital warts, 4 are most common
  • most common viral STD
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2
Q

type 6 & 11 HPV

A

“low risk” - cause visible warts

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3
Q

type 16 & 18 HPV

A

“high risk” - don’t usually cause visible warts

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4
Q

HPV-HIV connection

A
  • studies not yet available, but broken & bleeding warts may be potential portals of entry for HIV
  • HPV & genital warts do not facilitate HIV transmission but are rather promoted by HIV related immunosuppresion
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5
Q

transmission of HPV

A
  • direct skin to skin or mucous membrane contact
  • NOT transmitted via blood or body fluids
  • direct contact with infected areas of skin with or without visible warts
  • mother to infant transmission is rare
  • fomites (inanimate object)
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6
Q

location of genital warts

A
  • areas of coital friction
  • perianal warts do not always imply anal
  • intra anal warts in those who had receptive anal
  • multiple types of HPV can be found in warts
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7
Q

s/s of genital warts

A
  • visible warts
  • fleshy bumps that can be flat, round or shaped like tiny cauliflowers
  • usually painless, but can itch & burn
  • *for most people, nothing will happen, immune system will eliminate
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8
Q

complications of genital warts

A
  • cervical CA
  • other CA linked with penile, urethral, anal, rectum, & throat
  • pregnancy: cervical CA can rapidly spread, grow, & block birth canal
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9
Q

diagnosing genital warts

A
  • external: visual exam for warts; acetic acid wash for warts; colposcopy; biopsy
  • cervical HPV: pap smear; hybrid capture 11
  • blood test in research seeting
  • DNA test for cervical CA
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10
Q

tx of genital warts

A
  • usually have to repeat tx
  • podifilox
  • podophyllin
  • topical trichloracetic acid
  • cryotherapy
  • surgical incision
  • laser tx
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11
Q

podifilox

A

liquid or gel

-used for external warts only, not safe during pregnancy

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12
Q

podophyllin

A
  • liquid applied over several visits
  • used on external or internal warts
  • causes mild to moderate pain
  • not safe during pregnancy
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13
Q

cryotherapy

A
  • tissue fozen with liquid nitrogen
  • may be painful
  • may require several visits
  • safe during pregnancy
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14
Q

tx for cervical HPV

A
  • cryotherapy
  • laser tx
  • cone biopsy
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15
Q

prevention of genital warts

A
  • avoid direct contact with warts
  • use latex barriers
  • seek medical attention if abnormal growth noted
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16
Q

HSV

A
  • herpes simplex virus
  • virus
  • HSV1 causes sores on or near face
  • HSV2 causes sores on genitals
  • either type of HSV can infect either area
17
Q

HSV-HIV connection

A
  • blisters or open sores can be portals of entry for HIV

- increased susceptibility to HIV

18
Q

transmission of HSV

A
  • mucous membranes
  • skin to skin contact with or without recognizable symptoms; lesions do NOT have to be present
  • vaginal, oral, anal, autoinnoculation
  • mother to infant transmission during childbirth
19
Q

s/s of HSV

A
  • 50% have mild or no symptoms
  • *first episode:
  • painful blister appears 2-20 days after infection
  • blister lasts about 2-3 wks, breaks, crusts, heals
  • blisters seen in & around vaginal areas, on penis, in urethra, around anus, or on buttocks or thighs
  • most severe & includes flu like symptoms
  • extremely contagious
  • women may develop cervicitis
20
Q

recurring s/s of HSV

A
  • some people will never have another outbreak
  • symptoms last 7-10 days
  • blisters of recurrent outbreaks on or near site of original blisters
  • possible forewarning: tingling sensation, itching or burning in the genital area of pain in the buttocks or down leg
21
Q

asymptomatic shedding

A
  • virus can be passed to other when no sores are present
  • virus reactivates, comes to skin but doesn’t cause visible sores
  • virus can shed during this time
22
Q

complications of HSV

A

adults: no long term health complications, but psychosocial effect
- infected blisters
- eye infections
- herpes meningitis/encephalitis
- pregnancy: passed to baby during birth; greater risk if mother is having first episode

23
Q

complications of HSV in infant

A
  • encephalitis
  • liver problems
  • lung inflammation
  • blood coagulation problems
  • skin, eye, & mucous membrane lesions
24
Q

diagnosing HSV

A
  • viral culture
  • antigen detection tests
  • blood test
25
Q

tx of HSV

A
  • famiclovir
  • acyclovir
  • valacyclovir
  • dosage/duration depends on type of episode
  • suppressive tx taken on a lower dosage to reduce the outbreaks
26
Q

prevention of HSV

A
  • keep area clean
  • avoid direct contact with sore
  • abstain from sex when s/s are present
  • use condoms
  • spermicides may provide additional protection
27
Q

GSK

A
  • glaxosmithkline

- vaccine 74% effective in preventing disease at 48% in preventing infection