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Rosca EC, Heneghan C, Spencer EA, Plüddemann A, Maltoni S, Gandini S, Onakpoya IJ, Evans D, Conly JM, Jefferson T. Coinfection with Strongyloides and SARS-CoV-2: A Systematic Review. Trop Med Infect Dis 2023; 8:tropicalmed8050248. [PMID: 37235296 DOI: 10.3390/tropicalmed8050248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/19/2023] [Accepted: 04/20/2023] [Indexed: 05/28/2023] Open
Abstract
BACKGROUND Treatments for COVID-19, including steroids, might exacerbate Strongyloides disease in patients with coinfection. We aimed to systematically review clinical and laboratory features of SARS-CoV-2 and Strongyloides coinfection, investigate possible interventions, assess outcomes, and identify research gaps requiring further attention. METHODS We searched two electronic databases, LitCOVID and WHO, up to August 2022, including SARS-CoV-2 and Strongyloides coinfection studies. We adapted the World Health Organization-Uppsala Monitoring Centre (WHO-UMC) system for standardized case causality assessment to evaluate if using corticosteroids or other immunosuppressive drugs in COVID-19 patients determined acute manifestations of strongyloidiasis. RESULTS We included 16 studies reporting 25 cases of Strongyloides and SARS-CoV-2 coinfection: 4 with hyperinfection syndrome; 2 with disseminated strongyloidiasis; 3 with cutaneous reactivation of strongyloidiasis; 3 with isolated digestive symptoms; and 2 with solely eosinophilia, without clinical manifestations. Eleven patients were asymptomatic regarding strongyloidiasis. Eosinopenia or normal eosinophil count was reported in 58.3% of patients with Strongyloides reactivation. Steroids were given to 18/21 (85.7%) cases. A total of 4 patients (19.1%) received tocilizumab and/or Anakirna in addition to steroids. Moreover, 2 patients (9.5%) did not receive any COVID-19 treatment. The causal relationship between Strongyloides reactivation and COVID-19 treatments was considered certain (4% of cases), probable (20% of patients), and possible (20% of patients). For 8% of cases, it was considered unlikely that COVID-19 treatment was associated with strongyloidiasis reactivations; the relationship between the Strongyloides infection and administration of COVID-19 treatment was unassessable/unclassifiable in 48% of cases. Of 13 assessable cases, 11 (84.6%) were considered to be causally associated with Strongyloides, ranging from certain to possible. CONCLUSIONS Further research is needed to assess the frequency and risk of Strongyloides reactivation in SARS-CoV-2 infection. Our limited data using causality assessment supports recommendations that clinicians should screen and treat for Strongyloides infection in patients with coinfection who receive immunosuppressive COVID-19 therapies. In addition, the male gender and older age (over 50 years) may be predisposing factors for Strongyloides reactivation. Standardized guidelines should be developed for reporting future research.
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Affiliation(s)
- Elena C Rosca
- Department of Neurology, Victor Babes University of Medicine and Pharmacy, Piata Eftimie Murgu 2, 300041 Timisoara, Romania
| | - Carl Heneghan
- Centre for Evidence Based Medicine, Nuffield Department of Primary Care Health Sciences, University of Oxford, Radcliffe Observatory Quarter, Oxford OX2 6GG, UK
| | - Elizabeth A Spencer
- Centre for Evidence Based Medicine, Nuffield Department of Primary Care Health Sciences, University of Oxford, Radcliffe Observatory Quarter, Oxford OX2 6GG, UK
| | - Annette Plüddemann
- Centre for Evidence Based Medicine, Nuffield Department of Primary Care Health Sciences, University of Oxford, Radcliffe Observatory Quarter, Oxford OX2 6GG, UK
| | - Susanna Maltoni
- Division of Research and Innovation, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Sara Gandini
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, 20141 Milan, Italy
| | - Igho J Onakpoya
- Department of Continuing Education, University of Oxford, Rewley House, 1 Wellington Square, Oxford OX1 2JA, UK
| | - David Evans
- Li Ka Shing Institute of Virology and Department of Medical Microbiology & Immunology, University of Alberta, Edmonton, AB T6G 2E1, Canada
| | - John M Conly
- Departments of Medicine, Microbiology, Immunology & Infectious Diseases, and Pathology & Laboratory Medicine, Synder Institute for Chronic Diseases and O'Brien Institute for Public Health, Cumming School of Medicine, University of Calgary and Alberta Health Services, Calgary, AB T2N 1N4, Canada
| | - Tom Jefferson
- Department of Continuing Education, University of Oxford, Rewley House, 1 Wellington Square, Oxford OX1 2JA, UK
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Fatal Case of Autochthonous Strongyloides stercoralis Hyperinfection in an Immunosuppressed Calabrian Patient. REPORTS 2022. [DOI: 10.3390/reports5040047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Strongyloides stercoralis is an intestinal nematode that can induce disseminated infection in immunocompromised patients. It is most commonly acquired in tropical and subtropical countries; however, foci of the infection have also been reported in temperate geographic areas. In non-endemic areas, the diagnosis of an S. stercoralis infection is challenging due to the variety of clinical symptoms. Herein, we report the case of a patient, born and raised in the Calabria region of Southern Italy, who presented with melanoma and S. stercoralis hyperinfection, which is characterized by dyspnea, productive cough, inappetence, marked asthenia, weight loss, and Klebsiella pneumoniae bacteremia. He worked as a farmer and never traveled to another country known to be endemic for S. stercoralis. Despite the prompt identification of the parasite with sputum microscopy and the initiation of therapy with ivermectin and piperacillin–tazobactam, the patient later died. This case underscores the continued risk for S. stercoralis infection even in geographic areas that were previously considered non-endemic for the nematode and indicates that the geographic distribution of S. stercoralis may be expanding in Italy.
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Berberine: A nematocidal alkaloid from Argemone mexicana against Strongyloides venezuelensis. Exp Parasitol 2020; 220:108043. [PMID: 33197440 DOI: 10.1016/j.exppara.2020.108043] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 11/05/2020] [Accepted: 11/09/2020] [Indexed: 12/14/2022]
Abstract
Strongyloidiasis is a parasitosis that represents a public health problem, in tropical regions. The present study aimed to investigate the anthelmintic effects of several extracts of Argemone mexicana, as well as its main component berberine (Ber) against the third-stage larvae (L3) of Strongyloides venezuelensis in-vitro experiments. Also, the anti-hemolytic activity of the extract, fractions, and Ber were tested in human erythrocytes. A dose-response anthelminthic bioassay demonstrated Ber as the most effective component, followed by methanolic subfraction (Fr3) and finally the crude extract of A. mexicana (Am) showing LC50 response values of 1.6, 19.5, and 92.1 μg/mL, at 96 h respectively. Also, Am, Fr3, and Ber did not produce significant hemolysis against human erythrocytes (p ≤ 0.05). Am and Fr3 showed erythrocyte protection effect capacity at the membrane level (p ≤ 0.05). Furthermore, Ber was found to have an antioxidant activity of 168.18 μg/mL. According to the results, the Fr3 of A. mexicana, and particularly Ber, exhibited potent in-vitro effects against L3 of S. venezuelensis, without hemolytic activity against human erythrocytes and presented good antioxidant capacity. In conclusion, the extracts of A. mexicana and the main component have activity against S. venezuelensis, nevertheless, further studies are required to elucidate the mechanism of action.
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Juthong S, Geater AF, Dekumyoy P, Hortiwakul T, Siripaitoon B, Aiewruengsurat D, Thongbun N. Prevalence and risk factors of strongyloidiasis in patients with systemic lupus erythematosus in Southern Thailand. Lupus 2020; 29:539-546. [PMID: 32183590 DOI: 10.1177/0961203320911091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Strongyloidiasis can be fatal in systemic lupus erythematosus (SLE) patients, but few epidemiological
studies have investigated the burden of this tropical disease among the SLE population. This study aimed to assess the prevalence and associated factors of strongyloidiasis among SLE patients in Southern Thailand. Methods A cross-sectional study was conducted on 180 SLE patients attending the Rheumatology Clinic at
Songklanagarind Hospital. Stool specimens were collected and examined using the direct smear technique and agar plate culture technique. Serum anti-Strongyloides stercoralis IgG was measured by IgG-ELISA. Results The overall prevalence of strongyloidiasis by combined parasitologyl and/or serology was 15.6%. The prevalence of strongyloidiasis by parasitological methods was 2.2%. Positive parasitology and/or serology was associated with male sex and a SLE disease duration of less than two years. Conclusion Strongyloidiasis is highly prevalent among the SLE population. A combination of serological and parasitological methods increases the rate of diagnosis of strongyloidiasis in SLE patients.
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Affiliation(s)
- Siriporn Juthong
- Allergy and Rheumatology Unit, Division of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand
| | - Alan F Geater
- Epidemiology Unit, Faculty of Medicine, Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand
| | - Paron Dekumyoy
- Department of Helminthology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Thanaporn Hortiwakul
- Infectious Disease Unit, Division of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand
| | - Boonjing Siripaitoon
- Allergy and Rheumatology Unit, Division of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand
| | - Duangkamol Aiewruengsurat
- Allergy and Rheumatology Unit, Division of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand
| | - Nannapas Thongbun
- Division of Clinical Microbiology, Department of Pathology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand
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Van De N, Minh PN, Van Duyet L, Mas-Coma S. Strongyloidiasis in northern Vietnam: epidemiology, clinical characteristics and molecular diagnosis of the causal agent. Parasit Vectors 2019; 12:515. [PMID: 31685003 PMCID: PMC6829963 DOI: 10.1186/s13071-019-3776-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 10/29/2019] [Indexed: 12/14/2022] Open
Abstract
Background Strongyloidiasis is a health problem in Vietnam, but appropriate information is still limited. The aim of this study was to determine the prevalence, geographical distribution, epidemiological aspects, symptoms and other health indicators of Strongyloides stercoralis infections in patients from 27 provinces of northern Vietnam attending the Hanoi Medical University Hospital during 2016 and 2017. Methods Blood samples of 2000 patients were analyzed for S. stercoralis infection with an IgG ELISA test. Seroprevalence was analyzed by gender, age group, locality of origin (rural or urban areas) and symptoms. Stools from the seropositive patients were examined for the detection of worms which were subsequently used for species identification by morphology and rDNA ITS1 sequencing. Results A seroprevalence of 20% was detected, showing an increasing prevalence from young to older age groups but without significant gender difference. Seroprevalence was higher in rural areas than in urban areas, both in general and individually in all provinces without exception, and lower in the mountainous areas than in the large valley lowlands. The follow-up of the 400 patients showed eosinophilia in 100% of cases, diarrhoea in 64.5%, digestion difficulties in 58.0%, stomachache in 45.5%, stomach and duodenal ulcers in 44.5%, itching in 28.0% and fever in 9.5%. The prevalence of symptoms and signs were also higher in older age groups than in younger age groups. Worms were detected in stools of 10.5% of the patients. Sequencing of a 501-bp nuclear ribosomal DNA ITS1 fragment allowed for the verification of infection by Strongyloides stercoralis. Conclusions To our knowledge, this study is the largest survey of human strongyloidiasis in Vietnam so far and the first molecular identification of this nematode species in this country. Long-term chronicity may probably be usual in infected subjects, mainly in the older age groups.
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Affiliation(s)
- Nguyen Van De
- Hanoi Medical University, 01 Ton That Tung, Hanoi, Vietnam.
| | - Pham Ngoc Minh
- Hanoi Medical University, 01 Ton That Tung, Hanoi, Vietnam
| | - Le Van Duyet
- National Hospital of Tropical Diseases 78 Giai Phong, Hanoi, Vietnam
| | - Santiago Mas-Coma
- Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Av. Vicent Andrés Estellés s/n, Burjassot, 46100, Valencia, Spain
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Vira HJ, D'Souza H, Bhat VG, Bonda A. Strongyloides stercoralis hyperinfection complicated by secondary infections in a case of transformed diffuse large B-cell lymphoma. Indian J Med Paediatr Oncol 2019. [DOI: 10.4103/ijmpo.ijmpo_227_17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
AbstractWe report Strongyloides stercoralis hyperinfection complicated by secondary infections in a case of transformed diffuse large B-cell lymphoma. The hyperinfection was followed by a sequela of candidemia and infection of the peritoneal fluid that was associated with the leakage of gut flora from the bowel damaged by the migration of larvae. This phenomenon has seldom been reported in a case of hematolymphoid cancer such as transformed diffuse large B-cell lymphoma. The complications arising due to S. stercoralis hyperinfection are associated with a high fatality rate in immunocompromised patients, and this should be taken into account in the diagnosis and management of this condition.
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Affiliation(s)
- Hemant J Vira
- Department of Microbiology, ACTREC-Tata Memorial Centre, Navi Mumbai, Maharashtra, India
| | - Hollis D'Souza
- Department of Medical Oncology, Bone Marrow Transplant Unit, ACTREC-Tata Memorial Centre, Navi Mumbai, Maharashtra, India
| | - Vivek G Bhat
- Department of Microbiology, ACTREC-Tata Memorial Centre, Navi Mumbai, Maharashtra, India
| | - Avinash Bonda
- Department of Medical Oncology, Bone Marrow Transplant Unit, ACTREC-Tata Memorial Centre, Navi Mumbai, Maharashtra, India
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