Post on 21-Apr-2017
We are helminths. Our body is covered with tough
cuticle and also it is unsegmented.We are long, cylindrical in shape.We have a body cavity which has
digestive and genital system but our nervous and excretory systems are
dull.We have girlfriend (or boyfriend) and
we stay together.
Who are we?????????
NEMATODES •
by Surjeet Acharya
VMC
Classification
SYSTEMIC CLASSIFICATION
HABITAT OF ADULT WORM
SYSTEMIC CLASSIFICATIONSUBCLASS ORDER SUPERFAMILY GENUS SPECIESAphasmidia Enoplida Trichinelloidea Trichinella
TrichurisCapillaria
T.spiralisT.trichiuriaC.philippiensisC.hepaticaC.aerophilia
Phasmidia Rhabditida
OxyuridaAscaridia
Spirurida
RhabditoideaStrongyloidea
TrichostrongyliodeaMetastrongyloidea
OxyuroideaAscaridoidea
Spirudoidea
StrongyloidesAncyclostomaNecatorOesophaostomumTernidensTrichostrongylusParastrongylus
EnterobiusAscarisToxocaraGnathostomaAnisakis
S.stercoralisA.duodenaleN.americanusO.apiostomumT.deminutusT.colubriformisP.cantonensisP.costaricensisE.vermicularisA.lumbricoideT.canis & catiiG.spinigerumA.Simplex
HABITAT
INTESTINAL SOMATICSMALL INTESTINE LYMPHATIC MESENTRY
A.lumbricoides W.bancrofti M.perstansA.duodenale B.malayi M.ozarrdi
N.americanus SUBCUTANEOUSCONJUCTIVAS.stercoralis Loa loa Loa loaT.spiralis O.volvulusC.philippinensis D.medinensis
CAECUM AND APPENDIXLUNGSE.vermicularis S.stercoralisT.trichuria
Ancyclostoma duodenaleNecator americanus
HOOKWORM
MANAGEMENT
Albendazole 400mg single doseMebendazole 100mg twice daily x 3 days
Oral iron supplementsBlood transfusion (rare)
MANAGEMENT
Ivermectin 200micro/kg x 2 daysIvermectin 200micro/kg x 5-7 daysAlbendazole 15mg/kg twice daily x 3 days
Ascaris lumbricoides
MANAGEMENT
Albendazole 400mgPyrantel pamoate 11mg/kg (max. 1 g)Ivermectin 200micro/kgMebendazole 100mg twice daily x 3 days
Nasogastric suction, piperazine, I.V fluidsAdvice!
Enterobius vermicularis
THREAD/PIN/SEAT WORM
CLINICAL FEATURES
ITCHING IN PERIANAL AREA (esp. at NIGHT)
MANAGEMENT
Mebendazole 100mgAlbendazole 400mg repeatedPiperazine 1g 2 weeksPyratel pamoate 11mg/kg
Personal hygiene!!
MANAGEMENT
Albendazole 400mg x 3 days (5-7days)Mebendazole 100mg twice daily x 3 days (same)
INTESTINAL NEMATODES
Larvae in stoolS.stercoralis
Eggs in stoolEggs in perianal
skin
ColourlessE.vermicularis
ColourlessHookworms
E.vermicularis
ColouredA.lumbricoides
T.trichuria
Cutaneous Larva Migrans
By non-human hookworms (A.caninum, A.braziliense, Uncinaria stenocephalia, Bunostomum phlebotomum)
Cannot penetrate beyond S.germinatum!!!
Wander in tortous tiunnel between S.corneum and S.germinatum.
THANK
YOU