Fasceita necrozanta Flashcards

1
Q

Etiologia fasceitei de tip 1

A

bacterii anaerobe : Peptostreptococcus, Bacterioides
bacterii facultativ anaerobe - streptococ grup lancefield non-A
enterobacterii - E coli, Enterobacter, Klebsiela, Proteus

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2
Q

La ce pacienti apare faceita tip 1

A

varstnici
imunodeprimati

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3
Q

cauze de debut ale bolii

A

plagi contuzile
interventii chirurgicale
perforatii intestinale : neoplasm de colon, diverticulita, arteriopatie obliteranta a membrelor inferioare

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4
Q

etiologia fasceitei de tip 2

A

streptococ lencefield A ( rar C si D) sigur sau impreuna cu S aureus

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5
Q

Ce pacienti afecteaza

A

imunocompetenti

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6
Q

Cum este evolutia

A

rapida si severa
apare sindromul socului toxic streptococic
absenta polimorfonuclearelor neutrofile

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7
Q

Mecanismele absentei polimorfonuclearelor

A
  1. actiunea exotoxinei - concentratii citotoxice
  2. sechestrarea leucocitelor in vasele sanguine adiacente
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8
Q

Aspect clinic

A

debut supraacut - febra, stare generala profund alterata, durere
tumefiere difuza

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9
Q

Cum este initial leziunea

A

leziune cutanata eritematoasa
ulterior violacee

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10
Q

Cand apare edematierea leziunii?

A

24-48 h

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11
Q

Care sunt complicatiile starii profunde alterate

A

deshidratare
tulburari ale starii de constienta

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12
Q

Ce cauzeaza sindromul socului toxic

A

aproximativ 85% din decese

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13
Q

Se indica AINS?

A

nu, favorizeaza evolutia fulminanta

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14
Q

Cum evolueaza necroza

A

evolutie fulminanta spre gangrena cutanata cu sfecele si micronecroze care cuprinde rapid tesutul subcutanat si fasciile musculare

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15
Q

diagnosticul pozitiv cuprinde

A

aspectul clinic
examinari paraclinice

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16
Q

de unde se va recolta pentru culturi

A

suprafata leziunii si din profunzime

17
Q

pe ce medii ce fac culturi

A

pentru aerobi si anaerobi

18
Q

cand recoltam hemoculturi

A

puseu febril/ frison

19
Q

tratament medicamentos

A

urgenta medico-chirurgicala
necesitate de ATI pentru monitorizare
Penicilina doza mare + clindamicina

20
Q

Alternative antibiotice

A

imipenem
vancomicina
metronidazol

21
Q

tratamentul chirurgical

A

toaleta chirurgicala cu solutii antiseptice
debridare lezionala
fasceiotomii extinse
amputarea membrului daca necroza cuprinde toate grupele musculare