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Rojas OC, Montoya AM, Villanueva-Lozano H, Carrion-Alvarez D. Severe strongyloidiasis: a systematic review and meta-analysis of 339 cases. Trans R Soc Trop Med Hyg 2023; 117:682-696. [PMID: 37300462 DOI: 10.1093/trstmh/trad032] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/15/2022] [Accepted: 05/16/2023] [Indexed: 06/12/2023] Open
Abstract
Strongyloidiasis is a parasitosis representing a significant public health problem in tropical countries. It is often asymptomatic in immunocompetent individuals but its mortality rate increases to approximately 87% in severe forms of the disease. We conducted a systematic review, including case reports and case series, of Strongyloides hyperinfection and dissemination from 1998 to 2020 searching PubMed, EBSCO and SciELO. Cases that met the inclusion criteria of the Preferred Reported Items for Systematic Reviews and Meta-Analyses (PRISMA) checklist were analysed. Statistical analysis was performed using Fisher's exact test and Student's t-test and a Bonferroni correction for all the significant values. A total of 339 cases were included in this review. The mortality rate was 44.83%. The presence of infectious complications, septic shock and a lack of treatment were risk factors for a fatal outcome. Eosinophilia and ivermectin treatment were associated with an improved outcome.
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Affiliation(s)
- Olga C Rojas
- Departamento de Microbiología, Facultad de Medicina, Universidad Autónoma de Nuevo León, Facultad de Medicina, Dr Eleuterio Gonzalez Gonzalitos-Francisco I. Madero s/n 64460, Monterrey, Nuevo Leon, Mexico
| | - Alexandra M Montoya
- Departamento de Microbiología, Facultad de Medicina, Universidad Autónoma de Nuevo León, Facultad de Medicina, Dr Eleuterio Gonzalez Gonzalitos-Francisco I. Madero s/n 64460, Monterrey, Nuevo Leon, Mexico
| | - Hiram Villanueva-Lozano
- Departamento de Medicina Interna, Hospital Regional ISSSTE Monterrey, Av. Adolfo López Mateos, 122 Burócratas Federales 64380, Monterrey, Nuevo León, Mexico
| | - Diego Carrion-Alvarez
- Departamento de Medicina Interna, Hospital Regional ISSSTE Monterrey, Av. Adolfo López Mateos, 122 Burócratas Federales 64380, Monterrey, Nuevo León, Mexico
- Departamento de Ciencias Basicas, Universidad de Monterrey. N.L. Mexico. Av. Ignacio Morones Prieto 4500, San Pedro, Garza García, Nuevo Leon, Mexico
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2
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Yeh MY, Aggarwal S, Carrig M, Azeem A, Nguyen A, Devries S, Destache C, Nguyen T, Velagapudi M. Strongyloides stercoralis Infection in Humans: A Narrative Review of the Most Neglected Parasitic Disease. Cureus 2023; 15:e46908. [PMID: 37954715 PMCID: PMC10639005 DOI: 10.7759/cureus.46908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/10/2023] [Indexed: 11/14/2023] Open
Abstract
Strongyloidiasis is a helminth infection affecting 613.9 million people annually, mainly in the tropics and subtropics. The reported seroprevalence in the United States is 4% with most of the cases reported in immigrants. Human T-lympho-tropic virus 1 (HTLV-1) infections, hypogammaglobulinemia, immunosuppressant use - particularly steroid use, alcoholism, and malnutrition have been associated with an increased risk of strongyloidiasis. Recently, cases of strongyloidiasis hyperinfection syndrome have been described in coronavirus disease 2019 (COVID-19) patients treated with steroids as well. This brief review discusses the epidemiology, clinical features, management, and prevention of strongyloidiasis including some facts about the infection in pregnancy, transplant recipients, and COVID-19 patients. We conducted an online search using the PubMed, Scopus, and Google Scholar databases. Strongyloidiasis can be asymptomatic or present with mild symptoms. Strongyloides stercoralis is known to cause autoinfection. In immunocompromised individuals, it can present with severe symptoms, hyperinfection, or disseminated disease. Reported mortality in cases of disseminated Strongyloidiasis is 87.1%. Serology and detection of larvae in stool by direct microscopy are the most commonly used methods to diagnose strongyloidiasis. The drug of choice for the treatment is ivermectin. However, the use of ivermectin in human pregnancy is not well studied, and its teratogenic risks are unknown. Proactive screening of strongyloidiasis is necessary in immunocompromised individuals to prevent severe disease.
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Affiliation(s)
- Mary Y Yeh
- Internal Medicine, Creighton University School of Medicine, Omaha, USA
| | - Sanjana Aggarwal
- Medicine, Hamdard Institute of Medical Sciences and Research, New Delhi, IND
| | - Margaret Carrig
- Internal Medicine, Creighton University School of Medicine, Omaha, USA
| | - Ahad Azeem
- Infectious Diseases, Creighton University School of Medicine, Omaha, USA
| | - Anny Nguyen
- Internal Medicine, Creighton University School of Medicine, Omaha, USA
| | | | - Chris Destache
- Pharmacy Practice, Creighton University School of Pharmacy and Health Professions, Omaha, USA
| | - Toan Nguyen
- Internal Medicine, Houston Methodist Hospital, Houston, USA
| | - Manasa Velagapudi
- Infectious Diseases, Creighton University School of Medicine, Omaha, USA
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3
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Meisenheimer Vii J, Dattadeen J, Thomley M, Aslam S. Strongyloides Hyperinfection Syndrome Triggered by a Single Dose of Dexamethasone Administered for Fetal Lung Development. Cureus 2023; 15:e46067. [PMID: 37900370 PMCID: PMC10607639 DOI: 10.7759/cureus.46067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/25/2023] [Indexed: 10/31/2023] Open
Abstract
Strongyloides hyperinfection syndrome is a rare manifestation caused by the Strongyloides stercoralis parasite and has mortality rates close to 90% if left untreated. Corticosteroids are commonly implicated as a trigger for hyperinfection syndrome in patients with Strongyloides autoinfection, and it has been suggested that even a single dose of corticosteroids can trigger hyperinfection syndrome. Here, we report a case of hyperinfection syndrome eight days after administering a single 8 mg dose of dexamethasone for fetal lung development before a late preterm, emergency cesarean section (C-section) delivery secondary to placental abruption. Prior to the C-section, the patient had been exhibiting signs of autoinfection syndrome, cough, and abdominal pain, for several months. Following corticosteroid administration, she had sequelae of Strongyloides hyperinfection syndrome, including gram-negative bacteremia, undulating fevers, protein wasting enteropathy, and hypersensitivity pneumonitis. Sputum cultures were positive for Strongyloides, and after treatment with ivermectin and albendazole, the patient fully recovered. Strongyloides hyperinfection syndrome is a documented consequence of short courses of corticosteroids. Still, this case is unique because the patient only received a single dose of corticosteroids before developing hyperinfection syndrome. Clinicians must recognize patients at risk for Strongyloides hyperinfection syndrome and understand the risks of administering corticosteroids to patients harboring the parasite.
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Affiliation(s)
| | | | | | - Sadaf Aslam
- Internal Medicine, University of South Florida, Tampa, USA
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Akers AN, Vest A, Schenone CV, Rodriguez A. Strongyloides stercoralis Hyperinfection Syndrome in Pregnancy. Cureus 2023; 15:e43568. [PMID: 37719554 PMCID: PMC10503402 DOI: 10.7759/cureus.43568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/16/2023] [Indexed: 09/19/2023] Open
Abstract
Strongyloidiasis is a parasitic infection with a high global burden of disease. Hyperinfection syndrome is a life-threatening complication that predominantly affects immunosuppressed individuals, such as those receiving corticosteroid treatment. Despite its worldwide prevalence, little is known about the clinical effects of this condition on the feto-maternal dyad during pregnancy. We present a case of placental abruption leading to preterm delivery in a pregnancy complicated by Strongyloides stercoralis hyperinfection syndrome following antenatal corticosteroid use. Although rare, this condition is associated with high mortality rates and adverse pregnancy outcomes. Therefore, screening at-risk individuals may be warranted in pregnancies where antenatal corticosteroid administration is considered.
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Affiliation(s)
- Allison N Akers
- Obstetrics and Gynecology, University of South Florida, Tampa, USA
| | - Adriana Vest
- Obstetrics and Gynecology, University of South Florida, Tampa, USA
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Wikman-Jorgensen P, Requena-Méndez A, Llenas-García J. A Review on Strongyloidiasis in Pregnant Women. Res Rep Trop Med 2021; 12:219-225. [PMID: 34584485 PMCID: PMC8464358 DOI: 10.2147/rrtm.s282268] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 09/07/2021] [Indexed: 12/21/2022] Open
Abstract
Strongyloidiasis is a parasitic infection distributed worldwide, with an estimated 614 million people infected. Strongyloidiasis usually presents asymptomatically or with aspecific and mild clinical symptoms, mainly cutaneous, respiratory, or gastrointestinal. Disseminated disease and hyperinfection syndrome are the most serious complications, have a high mortality rate, usually occur in immunosuppressed patients, and are particularly associated with the use of corticosteroids. Strongyloidiasis is the most neglected of the neglected diseases, and its occurrence in pregnancy has been neglected and understudied. In this review, we focus on the effects of strongyloidiasis during pregnancy and highlight the knowledge shortage and the need for more research on the subject. There are few studies addressing strongyloidiasis prevalence during pregnancy and hyperinfection incidence during pregnancy is practically unknown, with only isolated case reports published. Although data are scarce, the infection has been associated with developmental disabilities and anemia during pregnancy, while hyperinfection may cause both maternal and neonatal death. Data on the best screening and diagnostic strategies during pregnancy are lacking. There is insufficient evidence on ivermectin safety in pregnancy, complicating treatment recommendations.
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Affiliation(s)
- Philip Wikman-Jorgensen
- Internal Medicine Department, Hospital Universitario San Juan de Alicante-FISABIO, San Juan de Alicante, Alicante, Spain
| | - Ana Requena-Méndez
- Barcelona Institute for Global Health (ISGlobal, Hospital Clinic-Universitat de Barcelona), Barcelona, Spain.,Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Jara Llenas-García
- Internal Medicine and Infectious Diseases Department, Hospital Vega Baja-FISABIO, Alicante, Spain.,Clinical Medicine Department, Universidad Miguel Hernández de Elche, Elche, Spain
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Ortiz-Martínez S, Ramos-Rincón JM, Vásquez-Chasnamote ME, Alarcón-Baldeón JJ, Parraguez-de-la-Cruz J, Gamboa-Paredes ON, Schillyk-Guerra P, Espinoza-Venegas LA, Pinedo-Cancino VV, Perez-Tanoira R, Górgolas-Hernández-Mora M, Casapía-Morales M. A Cross-Sectional Study of Seroprevalence of Strongyloidiasis in Pregnant Women (Peruvian Amazon Basin). Pathogens 2020; 9:pathogens9050348. [PMID: 32375325 PMCID: PMC7281748 DOI: 10.3390/pathogens9050348] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 04/28/2020] [Accepted: 04/30/2020] [Indexed: 01/01/2023] Open
Abstract
Strongyloidiasis is a soil-transmitted helminthiasis with a high global prevalence. Objectives: We aimed to evaluate the prevalence of Strongyloides stercoralis infection and assess strongyloidiasis serology as a screening technique in the Peruvian Amazon. Material and Methods: We performed a cross-sectional study of strongyloidiasis in 300 pregnant women in Iquitos (Peru) from 1 May 2019 to 15 June 2019. Women were tested using serology (Strongyloides IgG IVD-ELISA kit) as an index test and the modified Baermann technique and/or charcoal fecal culture as the parasitological reference standard. Results: The reference tests showed S. stercoralis in the stool of 30 women (prevalence: 10%; 95% confidence interval [CI] 7.1% to 13.9%), while 101 women tested positive on the blood test (prevalence: 33.7%; 95% CI 28.6% to 39.4%). Fourteen of the 15 women (93.3%) with positive results according to the modified Baermann technique, and 14 of the 23 women (56.5%) with positive charcoal cultures also had positive serological results. Serology showed a sensitivity of 63.3% and a negative predictive value of 94.4%. Conclusion: In Iquitos, pregnant women have a high prevalence of S stercoralis. S. stercoralis ELISA could be an excellent tool for population-based screening, as it has a high negative predictive value that can help to rule out the presence of active infection.
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Affiliation(s)
- Sonia Ortiz-Martínez
- Consultorio El Ballestero, Servicio de Salud Castellano Manchego, 2614 Albacete, Spain;
| | - José-Manuel Ramos-Rincón
- Departamento de Medicina Clínica, Universidad Miguel Hernández de Elche, 03550 Alicante, Spain
- Servicio de Medicina Interna, Hospital General Universitario de Alicante, 03010 Alicante, Spain
- Correspondence:
| | | | - Jhonatan J. Alarcón-Baldeón
- Laboratorio Clínico. Asociación Civil Selva Amazónica, 16001 Iquitos, Peru; (J.J.A.-B.); (J.P.-d.-l.-C.); (P.S.-G.)
| | - Jorge Parraguez-de-la-Cruz
- Laboratorio Clínico. Asociación Civil Selva Amazónica, 16001 Iquitos, Peru; (J.J.A.-B.); (J.P.-d.-l.-C.); (P.S.-G.)
| | | | - Patricia Schillyk-Guerra
- Laboratorio Clínico. Asociación Civil Selva Amazónica, 16001 Iquitos, Peru; (J.J.A.-B.); (J.P.-d.-l.-C.); (P.S.-G.)
| | | | - Viviana-Vanessa Pinedo-Cancino
- Laboratorio de Biología Molecular e Inmunología, Unidad Especializada del LIPNAA-CIRNA, Universidad Nacional de la Amazonia Peruana, 16001 Iquitos, Peru;
| | - Ramón Perez-Tanoira
- Servicio de Microbiologia, Hospital Universitario Príncipe de Asturias, 28802 Alcalá de Henares, Spain;
| | - Miguel Górgolas-Hernández-Mora
- División de Enfermedades Infecciosas, Hospital Universitario Fundación Jiménez Díaz, 28040 Madrid, Spain;
- Departamento de Medicina, Universidad Autónoma de Madrid, 28029 Madrid, Spain
| | - Martin Casapía-Morales
- Servicio de Enfermedades Infecciosas y Medicina Tropical, Hospital Regional de Loreto, 16001 Iquitos, Peru;
- Departamento Médico, Asociación Cívica Selva Amazónica, 16001 Iquitos, Peru;
- Facultad de Medicina, Universidad Nacional de la Amazonia Peruana, 496 Iquitos, Peru
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Paltridge M, Traves A. The Health Effects of Strongyloidiasis on Pregnant Women and Children: A Systematic Literature Review. Trop Med Infect Dis 2018; 3:tropicalmed3020050. [PMID: 30274446 PMCID: PMC6073583 DOI: 10.3390/tropicalmed3020050] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 05/11/2018] [Accepted: 05/15/2018] [Indexed: 12/26/2022] Open
Abstract
Strongyloidiasis is a helminth infection that remains under-researched despite its ability to cause significant illness. Women and children may be at particular risk of health consequences from this parasite. This systematic literature review aims to examine research on the long-term health effects that strongyloidiasis has in pregnant women and children. We conducted a structured search using multiple databases to collect all primary studies discussing health effects of strongyloidiasis in the aforementioned groups. The review included 20 results: 16 primary studies and four case reports. The methodological quality of studies was substandard, and there was substantial heterogeneity to the statistical analysis and outcomes assessed in the literature. Statistically significant associations were found between strongyloidiasis and low birth weight, as well as wasting. No links were found between strongyloidiasis and anaemia. Due to testing methods used in the studies, the prevalence of Strongyloides stercoralis in these studies was probably under-estimated. Current research is suggestive that strongyloidiasis has long-term adverse health effects on the offspring of infected mothers and in chronically-infected children. Data analysis was hindered by both methodological and statistical flaws, and as such, reliable conclusions regarding the health impacts could not be formed.
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Affiliation(s)
- Matthew Paltridge
- College of Medicine and Dentistry, James Cook University, Smithfield QLD 4878, Australia.
| | - Aileen Traves
- College of Medicine and Dentistry, James Cook University, Smithfield QLD 4878, Australia.
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Kong LY, Libman MD, Yansouni CP. Travel-Related Infections Among Pregnant Travellers to the Tropics: An Overview. JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA 2018; 40:460-472. [PMID: 29307707 DOI: 10.1016/j.jogc.2017.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Accepted: 08/10/2017] [Indexed: 10/18/2022]
Abstract
Infectious diseases acquired during travel pose a significant health risk to pregnant travellers, who are more susceptible to both acquiring certain infections and developing severe complications. A review of the literature focusing on recent evidence-based guidelines was conducted with attention to tropical infections in the pregnant patient. A summary meant to serve as a succinct reference for health care professionals caring for pregnant women is presented. Magnitude of risk, clinical features, management, and preventive strategies of major travel-acquired infections of pertinence to the pregnant traveller are summarized, including malaria, arboviral infections, foodborne infections, helminthic infections, and influenza. Tables with details on specific infections within each group and guidance for reducing travel-related health risks in the pregnant patient are presented.
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Affiliation(s)
- Ling Yuan Kong
- J.D. MacLean Centre for Tropical Diseases, McGill University Health Centre, Montréal, QC.
| | - Michael D Libman
- J.D. MacLean Centre for Tropical Diseases, McGill University Health Centre, Montréal, QC
| | - Cedric P Yansouni
- J.D. MacLean Centre for Tropical Diseases, McGill University Health Centre, Montréal, QC
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