Strongyloides stercoralis

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Strongyloides stercoralis

• Abdirahman Gulaid

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Definition

• Human parasitic disease caused by nematode S.
  Stercoralis.
• Mostly in tropical, subtropical area and
  temperate climate.
• Affect 30-100 million annually.
• Has two unique life cycle Free life cycle and
  Parasitic life cycle.

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Definition

• Cause by direct contact with contaminated soil
  and recreational activities.
• Children highly affected to bad sanitation.
• S. stercoralis is a 2 mm long intestinal worm

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Rhabditiform (L1) larva of Strongyloides
stercoralis is about 0.3 mm long. (1 µm 0.001
mm)
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Life Cycle
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Life Cycle
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Life Cycle
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Life Cycle
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Pathology

• Invasive Skin Penetration.
• Pulmonary During Cycle or Immigration.
• Intestinal Tissue Destruction

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Symptoms and Signs of Hyperinfection

• anemia (for example, pale skin)
• constipation
• cough
• diarrhea
• eosinophilic pneumonitis (during larvae migration
  through the lungs)
• Nausea
• vomiting
• weight loss.

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Symptoms of Immunosuppressed patients (organ
transplant) or immunocompromised patients (HIV)

• Death
• neurological and pulmonary complications
• shock.

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Diagnosis

• Stool culture most effective way.
• Confusion diagnosis arise day-to-day variability
  number of juvenile worm.

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Treatment

• Strongyloidiasis is treated with
• Ivermectin.
• Tthiabendazole.
• No public health strategies for controlling are
  active at global level.

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Control

• Good sanitation with specific care of human waste
  disposal.
• Mass treatment of Ivermectin drugs shows some
  progress but needs further research.
• Setting global health plan.
• Wearing permanent shoes.
• Education Program for community.

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discussion

• How many people affected yearly.
• Is it one of the neglected WHO diseases.
• How many life cycle does it have.
• Where it is the main host in human body.
• What is the name of the drug treat.
• One of the best way to control.

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reference

• http//www.who.int/neglected_diseases/diseases/str
  ongyloidiasis/en/.
• http//www.dpd.cdc.gov/dpdx/HTML/Strongyloidiasis.
  htm.
• http//www.parasite-diagnosis.ch/schistointestesse
  ntials