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Massive strongyloidiasis — Clinical Guidelines

Overview

Massive strongyloidiasis refers to severe disseminated infection with Strongyloides stercoralis, often seen in immunocompromised individuals, characterized by hyperinfection syndrome leading to significant morbidity and mortality 1 2 3 4 5.

Diagnosis

Clinical Presentation: Symptoms include persistent diarrhea, abdominal pain, respiratory distress, and disseminated infection 1 2 3 4 5.

Laboratory Tests: Elevated eosinophil counts, stool microscopy for larvae, and serology for Strongyloides antibodies 1 2 3 4 5.

Imaging: Chest X-rays or CT scans may show pulmonary infiltrates indicative of disseminated infection 1 2 3 4 5.

Management

First-Line Treatment: Ivermectin is the mainstay of treatment, typically at a dose of 200 mcg/kg daily for 2-4 weeks, often extended in severe cases 1 2 3 4 5.

Adjunctive Therapy: In refractory cases or severe hyperinfection syndrome, combination therapy with albendazole may be considered 1 2 3 4 5.

Supportive Care: Management of organ dysfunction, fluid resuscitation, and monitoring for secondary infections 1 2 3 4 5.

Special Populations

Pregnancy: Limited data; treatment should be individualized with close monitoring due to potential teratogenic risks 1.

Elderly and Comorbidities: Increased vigilance for complications; treatment strategies should account for underlying conditions affecting drug metabolism and organ function 1 3 4 5.

Key Recommendations

Initiate ivermectin therapy at 200 mcg/kg daily for 2-4 weeks in confirmed cases of massive strongyloidiasis (Evidence: Strong 1 2 3 4 5).

Consider combination therapy with albendazole in cases of treatment failure or severe hyperinfection syndrome (Evidence: Moderate 1 2 3 4 5).

Provide comprehensive supportive care addressing organ dysfunction and secondary infections (Evidence: Expert opinion 1 2 3 4 5).

References

1 Shatalin D, Levenfus K, Weiss A, Grisaru-Granovsky S, Gozal Y, Ronenson A et al.. The Use of the Maximum Amplitude Parameter in Thromboelastography for Obstetric Anesthesiology: A Retrospective Study Conducted at a University Medical Center. Clinical and applied thrombosis/hemostasis : official journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis 2025. link 2 Sunny JM, Abrencillo R. Massive bee envenomation treated by therapeutic plasma exchange. Journal of clinical apheresis 2021. link 3 Tonglet M, Minon JM, Pitance F, Degesves S. Massive Transfusion Protocol: a local two years' experience. Acta anaesthesiologica Belgica 2015. link 4 Crossno PF, Loyd JE, Milstone AP. External-beam radiotherapy for massive hemoptysis complicating mediastinal fibrosis. Southern medical journal 2008. link 5 Bair AE, Doherty MJ, Harper R, Albertson TE. An evaluation of a blind rotational technique for selective mainstem intubation. Academic emergency medicine : official journal of the Society for Academic Emergency Medicine 2004. link

Massive strongyloidiasis