Filaria Flashcards
W. Bancrofti
Mosquitoes
Anopheles, culex, aedes
Causes lymphatic filariasis occasionally terminating in
Elephantiasis
B. Malayi
Mosquitoes
Mansonia
Bancrofti affect
Legs
Arms
Vulva
Breast
B. Timori affects
Genitals
Lymphatic filariasis
Wuchereria bancrofti
Brugia malayi
Lymphatic filariasis
Diagnosis
Giemsa - identifying microfilariae
Bancrofti microfilariae circulate preferentially from
10pm -2am
Lymphatic filariasis
Treatment
Doc
Diethylcarbamaxine citrate ( hetrazan)
Lymphatic filariasis
Gooddrug of choice for killing adult filarial worms are
Albendazole - broad spectrum antihelmentics
Ivermectin
Lymphatic filariasis
Diagnosis
Bood examination for microfilariae
Serology
Antigen capture
Loa loa
Produces
Loiasis
Fugitive
Calabar swelling
Loa loa
Also known as
Eye worm of africa
Loa loa
Definitive host
Man
Loa loa
Intermediate host
Deerfly genus chrysops
Loa loa
Transmitted to human by
Day biting deerfly
Loa loa
Diagnosis
Surgical removal
Loa loa
Trearment
DOC is DEC
DEC and ivermectin used as preventive to heart worm disease
Onchocerca volvolus
Causes
Onchocerciasis
Onchocerca volvolus
The world second leading infectious cause of blindness
River blindness
Onchocerca volvolus
Can live up to
15 years in human body
Onchocerca volvolus
Scattered pturitic papules
Acute papular dermatitis
Onchocerca volvolus
Larger papules, resulting in hyperpigmentation
Chronic popular dermatitis
Onchocerca volvolus
Hyperpigmented papules and plaques with edema.
Common secondary bacterial infections
Lichenified dermatitis
Onchocerca volvolus
Loss of elasticity, skin resembles tissue paper, lizard skin appearance
Skin atrophy
Onchocerca volvolus
Leopard skin appearance, usually on anterior lower leg
Depigmentation
Onchocerca volvolus
Occurs in the affected area
Punctuate keratitis
Onchocerca volvolus
Chronic
Making the affected area become opaque
Sclerosing keratitis
Onchocerca volvolus
Black fly
Simulium
Onchocerca volvolus
Treatment
Ivermectin
Onchocerca volvolus
Ivermectin
Paralyze microfilariae
Does not kill the adult worm
Prevents morbidity and transmission
Memorize the table
Table in filaria