herpes zoster - shingles , chickenpox - varicella
TRANSCRIPT
HERPES ZOSTER - SHINGLESCHICKENPOX - VARICELLA
Disediakan Oleh : Nassruto
DEFINISI HERPES ZOSTER - SHINGLES
• Infeksi kulit melibatkan & saraf dengan ledakan inflamatori di dalam kulit bermula dari T3 – L3
Agen Penyebab
• Human (alpha) herpesvirus 3 (Virus Varicella Zoster – V-Z Virus), a member of the Herpesvirus group
• Reactivation infection with the virus that causes CHICKENPOX
• Attack to skin area supplied by sensory nerves
Insiden
• Semua golongan seluruh dunia• Pesakit leukaemia, Hodgkin & limpoma• Pesakit menerima rawatan kanser, kosteroid• Belaku banyak pada orang dewasa - tua• 10% pada kanak-kanak• Pesakit HIV berisiko tinggi mendapat zoster
Reservoir
• Man
Mode of transmission
• Direct contact• Droplet / airborne • Respiratory tract• Vesicle fluid
Incubation period
• 2-3 weeks• Commonly 13- 17 days.
Period of communicability
• 1 week• 10-21 days – susceptible persons
Susceptibility and resistance
• Universal among those not previously infected
• More severe in adults than of children• Second attacks are rare• Leukemia patient – suffer more severe,
prolong or fatal chickenpox.
Susceptibility and resistance
• Cancer patients• Steroid therapy• Immuno-deficient patients• Immunisuppressive therapy
Menifestasi Klinikal
• Kesakitan tulang belakang• Bintik merah pada dada, leher, muka dan
selaput mukosa• Sakit yang kuat atau rasa kebas
Komplikasi
• Parut• Neuralgia• Motor palsi• Keratitis
Penyelidikan
• Calitan lesi • Serologi
Rawatan
• Simptomatik• Antiviral• Steroid• Vitamin E
Method of control
• Preventive measures• control of patients, contact and the
immediate environment
Preventive measures
• Health education• personal hygiene
• Avoid contaminating skin • with infectious material
• Health personnel• wear glove
Preventive measures
• Protect high risk individu • Neonates• Immuno-deficient patients
Control of patients, contact and the immediate environment
• Report - notification• Isolation from;• neonatal• severe primary lesion• drainage/ secretion• newborn baby• School children at least 5 days• immunosuppressed patients
Control of patients, contact and the immediate environment
• Concurrent disinfection; • Discharges from nose, throat, lesions
• Quarantine ; none• Immunization of contacts:• VZIG given within 96 hours
• Investigation of contacts and source of infection; of no practical importance
Control of patients, contact and the immediate environment
• Specific treatment:• zovirax
• Epidemic measures: none• Disaster implications: outbreaks• International measure: none
THANK YOU