infeksi orbita Flashcards

1
Q

definisi selulitis orbita

A

peradangan pada jaringan lunak/subkutan pada posterior dari septum orbita

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2
Q

definisi selulitis periorbital

A

peradangan pada jaringan lunak/subkutan pada anterior dari septum orbita

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3
Q

etiologi

A

infeksi eksogen: cedera penetrasi, corpus alienum orbita
penyebaran infeksi: sinus, odontogen
infeksi endogen: sepsis,

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4
Q

patogen

A

bakteri gram positif: staph, strep sp, hae, pseudo, corny.

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5
Q

klasifikasi chandler (anatomi dan keparahan infeksi)

A
  1. selulitis periorbital: inflamasi di anterior septum
  2. selulitis orbital: inflamasi di posterior septum
  3. spa: kumpulan mukopurulen diantara dinding os orbita dan os periorbita
  4. abses orbita: kumpulan mukopurulen di orbita
  5. trombosis sinus cavernosus: flebitis sinus cavernosus
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6
Q

perbedaan gejala klinis selulitis periorbital dan orbita

A
palpebra
proptosis
kornea
pupil
pergerakan okular

visus
warna
lapang pandang

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7
Q

pemeriksaan funduskopi dapat ditemukan

A

nervus optik edem dan oklusi vaskular retina

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8
Q

gejala khas selulitis orbita

A
  • proptosis
  • eritema periokular berbatas tegas
  • pergerakan bola mata terbatas dan nyeri
  • penurunan visus
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9
Q

pemeriksaan lab yg dapat dilakukan

A

darah rutin: leukositosis

kultur discharge nasal

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10
Q

imaging ditemukan?

A

rontgen: kelainan sinus paranasal

ct scan: keterlibatan luas infeksi, spa dan abses, gambaran hipodens (potongan axial)

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11
Q

isi sinus cavernosus

A

a. carotid interna

cn 3, 4, 5 (1,2), 6

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12
Q

posisi sinus cavernosus

A

di atas os sphenoid (sinus sphenoid)
mengelilingi sella tursika (hipofisis)
di bawah kiasma optikum

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13
Q

danger triangle

A

orbita
sinus nasalis
wajah bagian superior

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14
Q

sinus cavernosus adalah

A

bagian dari sinus vena dural, kumpulan vena

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15
Q

manajemen tx

A

grup 1 dan 2: medikamentosa

grup 3 4 5: + intervensi bedah (drainase)

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16
Q

medikamentosa

A

antibiotik intravena 1-2 hari
vancomycin + piperacillin, + metronidazol (anaerob)

antibiotik po (jika sudah ada perubahan signifikan)
clindamycin + amox +/- metronidazol

corticosteroid iv/po

nasal dekongestan