Clinical Characteristics and Outcomes of Disseminated Strongyloidiasis in the United States—A Multicenter Network Analysis

Andrés F. Henao-Martínez Division of Infectious Diseases, Department of Medicine, University of Colorado Denver, Aurora, Colorado;

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Christian Olivo Freites Ryan Health, Infectious Diseases, New York, New York;

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Nelson I. Agudelo Higuita University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma;
Instituto de Enfermedades Infecciosas y de Parasitología Antonio Vidal, Tegucigalpa, Honduras;

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Luis A. Marcos Division of Infectious Diseases, Departments of Medicine, Microbiology and Immunology, Stony Brook University, Stony Brook, New York;

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Daniel B. Chastain Department of Clinical and Administrative Pharmacy, University of Georgia College of Pharmacy, Albany, Georgia;

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Amir M. Mohareb Center for Global Health, Massachusetts General Hospital, Boston, Massachusetts;
Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts;
Department of Medicine, Harvard Medical School, Boston, Massachusetts;

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Jose Tuells Department of Community Nursing, Preventive Medicine and Public Health and History of Science, University of Alicante, Alicante, Spain;

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Salvador Villalpando-Carrion Hospital Infantil de México, Ciudad de México, México;

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Carlos Franco-Paredes Hospital Infantil de México, Ciudad de México, México;
Instituto Conmemorativo Gorgas de Estudios de la Salud, Panama City, Republic of Panama;
Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, Colorado

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ABSTRACT.

Human strongyloidiasis is a potentially life-threatening parasitic disease among immunocompromised hosts. We aim to determine the factors and mortality associated with disseminated strongyloidiasis. We conducted a U.S.-based multicenter retrospective cohort study to determine 90-day clinical outcomes for people diagnosed with Strongyloides infection in the TriNetX patient database. We identified adult patients with the International Classification of Diseases (10th revision, clinical modification) code for Strongyloides infection (B78) or a positive Strongyloides IgG antibody test and captured outcomes at 90 days. We identified 5,434 patients with strongyloidiasis, of whom 48 had disseminated strongyloidiasis for 0.9% prevalence of disseminated disease. Systemic connective tissue disorders, pulmonary eosinophilia, liver cirrhosis, blood disorders (monoclonal gammopathy, aplastic anemia, and lymphoid malignancy), malnutrition, alcohol use disorder, and transplantation status were frequent in patients with disseminated disease. Mortality was significantly higher in people with disseminated disease at 30 days (21%). The 90-day risk of hospitalization, bacteremia, and acute respiratory distress syndrome (ARDS) was higher in those with disseminated infection. People with disseminated strongyloidiasis had a heightened risk of hospitalization, bacteremia, acute respiratory distress syndrome, and mortality. The population at risk for severe strongyloidiasis infection is evolving, reflecting conditions in which glucocorticoids or additional immunosuppressive medications are commonly used for treatment.

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Author Notes

Data availability: The corresponding author had full access to data in the study and was ultimately responsible for submitting the manuscript for publication. The aggregated datasets generated and analyzed in the current study are available from the TriNetX platform. Any data displayed on the TriNetX platform in aggregate form, or any patient-level data provided in a data set generated by the TriNetX platform, only contains de-identified data as per the de-identification standard defined in Section 164.514(a) of the HIPAA Privacy Rule.

Authors’ addresses: Andrés F. Henao-Martínez, Division of Infectious Diseases, Department of Medicine, University of Colorado Denver, Aurora, CO, E-mail: andres.henaomartinez@cuanschutz.edu. Christian Olivo Freites, Ryan Health, Infectious Diseases, New York, NY, E-mail: christianolivo.freites@ryanhealth.org. Nelson I. Agudelo Higuita, University of Oklahoma Health Sciences Center, Oklahoma City, OK, and Instituto de Enfermedades Infecciosas y de Parasitología Antonio Vidal, Tegucigalpa, Honduras, E-mail: nelson-agudelo-higuita@ouhsc.edu. Luis A. Marcos, Division of Infectious Diseases, Departments of Medicine, Microbiology and Immunology, Stony Brook University, Stony Brook, NY, E-mail: luis.marcosraymundo@stonybrookmedicine.edu. Daniel B. Chastain, Department of Clinical and Administrative Pharmacy, University of Georgia College of Pharmacy, Albany, GA, E-mail: daniel.chastain@uga.edu. Amir M. Mohareb, Center for Global Health, Massachusetts General Hospital, Boston, MA, Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA, and Department of Medicine, Harvard Medical School. Boston, MA, E-mail: amohareb@mgh.harvard.edu. Jose Tuells, Department of Community Nursing, Preventive Medicine and Public Health and History of Science, University of Alicante, Alicante, Spain, E-mail: tuells@ua.es. Salvador Villalpando-Carrion, Hospital Infantil de México, Ciudad de México, México, E-mail: villalpandoca@himfg.edu.mx. Carlos Franco-Paredes, Hospital Infantil de México, Ciudad de México, México, Instituto Conmemorativo Gorgas de Estudios de la Salud, Panama City, Republic of Panama, and Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, CO., E-mail: carlos.franco.paredes@gmail.com.

Address correspondence to Andrés F. Henao-Martínez, University of Colorado Anschutz Medical Campus, 12700 E. 19th Avenue, Mail Stop B168, Aurora, CO 80045. E-mail: andres.henaomartinez@cuanschutz.edu
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