Patofisiologi Infeksi Sistem Saraf Pusat (Meningitis & Ensefalitis
Transcript of Patofisiologi Infeksi Sistem Saraf Pusat (Meningitis & Ensefalitis
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PATOFISIOLOGI INFEKSI SISTEM
SARAF PUSAT
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PATOFISIOLOGI MENINGITIS
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PATOFISIOLOGI
Hematogen
Percontinuitatum
Inplantasi langsung
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PATOFISIOLOGI MENINGITIS
Mikroorganisme(Bakteri, Virus,
Jamur, Protozoa)
Masuk melalui hematogen, per
kontinuitatum, trauma, prosedur bedah atau
ruptur serebri
Sistem saraf pusat
Inflamasi di piamater,
arachnoid, CSF Hidrosefalus
Menyebar ke seluruh saraf kranial dan
spinal
Kerusakan Neurologik
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• Pembuluh darah meningeal hiperemia penyebaran sel PMN ke dlm ruang subaraknoid eksudat
• Inflamasi juga terjadi pada vena trombosis, infark otak, edema otak , & degenerasi neuron-neuron
• Kelainan nervi craniales• Hidrosefalus komunikans
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AKIBAT LANJUT
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PATOFISIOLOGI ENSEFALITIS
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Patofisiologi Ensefalitis Bakteri
Bakteri masuk ke otak
Peradangan supuratif (substansi alba) (eksudat, trombosis septik agregasi leukosit)
Edema, perlunakan, kongesti jaringan, perdarahan kecil
Bagian tengah melunak Ruang abses
Dinding tidak begitu kuat Kapsul yang konsentris
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Patofisiologi Ensefalitis Viral
Virus tertelan Gigitan nyamukSist.limfatik
Peredaran darah
Infeksi Organ
Infeksi SSP
destruksi langsung Rx. Jar saraf thd Ag-Ab
Kerusakan neuron Demyelinisasi, kerusakan p.d & perivaskuler
Gejala neurologis
Stad. Ekstraneural: peny.sistemik
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…TERIMA KASIH…