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Rodríguez-Molino P, González Martínez S, Bustamante Amador J, Mellado-Sola I, Montes Martín L, Falces-Romero I, García López-Hortelano M, Hurtado-Gallego J, Mellado MJ, Grasa C, Sainz T. Schistosomiasis in migrant children and adolescents in a paediatric tropical referral unit in Spain: diagnosis and long-term management challenges. Eur J Pediatr 2024; 183:4457-4465. [PMID: 39143347 DOI: 10.1007/s00431-024-05623-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 03/28/2024] [Accepted: 05/19/2024] [Indexed: 08/16/2024]
Abstract
Globalisation and population movement have led to an increasing number of migrant children residing in areas non-endemic for schistosomiasis. However, diagnosing and managing schistosomiasis in children remain controversial. This study aims to investigate the prevalence of schistosomiasis in migrant children and to describe the diagnostic approach and management strategies, including long-term follow-up, to explore the potential role of serological tests in evaluating treatment response. We conducted a retrospective descriptive study spanning from January 2014-July 2021 at a referral unit for Paediatric Tropical Diseases in Madrid (Spain). The study included patients under 18 years diagnosed with schistosomiasis. Of 679 children screened for schistosomiasis, 73 (10.8%) tested positive. The median age was 16.3 years [IQR 9-17.6], 74% male. The majority originated from Sub-Saharan Africa (47%) and Asia (47%). Only 40% presented with symptoms, with gastrointestinal (18%) and cutaneous (17%) manifestations being the most common. Eosinophilia was observed in 43% (median [IQR]: 1103/mm3 [671-1536]), and ova were visualised in the urine of 2/50 (4.0%). Praziquantel treatment was administered to 92%, and 5 patients required retreatment. Follow-up data were available for 58 (80%) over a median period of 9 months [IQR 6-19.8], revealing a progressive decline in eosinophil count, IgE titres, and ELISA optical density. Conclusion: In this series, the prevalence of schistosomiasis among migrant children was significant (10%), highlighting the importance of including serological tests in migrant health screening. The disease is largely asymptomatic, eosinophilia is often absent, and visualisation of ova in urine is exceedingly rare. Eosinophil count, IgE titres, and ELISA optical density could prove valuable as an initial approach for monitoring inflammation during follow-up assessments. What is Known: • The burden of disease related to schistosomiasis is significant, particulary in children, and it is advisable to screen this vulnerable population. What is New: • Eosinophilia may not be present in parasitic infections, so serological tests are crucial for screening migrant children. • Serological monitoring facilitates long-term management of migrant children with schistosomiasis.
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Affiliation(s)
- Paula Rodríguez-Molino
- General Paediatrics, Infectious and Tropical Diseases Department, Hospital La Paz, Madrid, Spain
- La Paz Hospital Research Institute (IdiPAZ), Madrid, Spain
- Autonomous University of Madrid (UAM), Madrid, Spain
- Centro de Investigacion en Red en Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
| | | | - Jorge Bustamante Amador
- La Paz Hospital Research Institute (IdiPAZ), Madrid, Spain
- Hospital Paediatrics Department, Childhood Infections, El Escorial Hospital, Madrid, Spain
- Health Centre Guzmán el Bueno, SERMAS, Madrid, Spain
| | - Isabel Mellado-Sola
- General Paediatrics, Infectious and Tropical Diseases Department, Hospital La Paz, Madrid, Spain
- La Paz Hospital Research Institute (IdiPAZ), Madrid, Spain
- Autonomous University of Madrid (UAM), Madrid, Spain
| | | | - Iker Falces-Romero
- La Paz Hospital Research Institute (IdiPAZ), Madrid, Spain
- Centro de Investigacion en Red en Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
- Department of Microbiology and Parasitology, La Paz University Hospital, Madrid, Spain
| | - Milagros García López-Hortelano
- General Paediatrics, Infectious and Tropical Diseases Department, Hospital La Paz, Madrid, Spain
- La Paz Hospital Research Institute (IdiPAZ), Madrid, Spain
- Centro de Investigacion en Red en Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
- Translational Research Network in Paediatric Infectious Diseases (RITIP), Madrid, Spain
| | - Jara Hurtado-Gallego
- La Paz Hospital Research Institute (IdiPAZ), Madrid, Spain
- Centro de Investigacion en Red en Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
| | - María José Mellado
- General Paediatrics, Infectious and Tropical Diseases Department, Hospital La Paz, Madrid, Spain
- La Paz Hospital Research Institute (IdiPAZ), Madrid, Spain
- Autonomous University of Madrid (UAM), Madrid, Spain
- Centro de Investigacion en Red en Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
- Translational Research Network in Paediatric Infectious Diseases (RITIP), Madrid, Spain
| | - Carlos Grasa
- General Paediatrics, Infectious and Tropical Diseases Department, Hospital La Paz, Madrid, Spain
- La Paz Hospital Research Institute (IdiPAZ), Madrid, Spain
- Autonomous University of Madrid (UAM), Madrid, Spain
- Centro de Investigacion en Red en Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
| | - Talía Sainz
- General Paediatrics, Infectious and Tropical Diseases Department, Hospital La Paz, Madrid, Spain.
- La Paz Hospital Research Institute (IdiPAZ), Madrid, Spain.
- Autonomous University of Madrid (UAM), Madrid, Spain.
- Centro de Investigacion en Red en Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain.
- Translational Research Network in Paediatric Infectious Diseases (RITIP), Madrid, Spain.
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Buonfrate D, Tamarozzi F, Gobbi F. Schistosomiasis in returning travellers and migrants: gaps and research priorities. J Travel Med 2023; 30:taad118. [PMID: 37682112 DOI: 10.1093/jtm/taad118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 08/24/2023] [Indexed: 09/09/2023]
Affiliation(s)
- Dora Buonfrate
- Department of Infectious, Tropical diseases and Microbiology, IRCCS Sacro Cuore Don Calabria Hospital, Negrar, Verona, Italy
| | - Francesca Tamarozzi
- Department of Infectious, Tropical diseases and Microbiology, IRCCS Sacro Cuore Don Calabria Hospital, Negrar, Verona, Italy
| | - Federico Gobbi
- Department of Infectious, Tropical diseases and Microbiology, IRCCS Sacro Cuore Don Calabria Hospital, Negrar, Verona, Italy
- Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
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Baluku JB, Olum R, Sanya RE, Ocama P. Respiratory morbidity in Schistosoma mansoni infection: a rapid review of literature. Ther Adv Infect Dis 2023; 10:20499361231220152. [PMID: 38152611 PMCID: PMC10752101 DOI: 10.1177/20499361231220152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 11/24/2023] [Indexed: 12/29/2023] Open
Abstract
Background Schistosomiasis contributes to 2.5 million disability-adjusted life years globally. Acute and chronic respiratory morbidity of Schistosoma mansoni (S. mansoni) is poorly documented in the literature. We conducted a rapid literature review of the burden of respiratory symptoms and lung function abnormalities among patients with S. mansoni. We also report the immunologic and lung imaging findings from the studies reviewed. Methods We carried out a comprehensive literature search in Embase and MEDLINE from the inception of the databases to 13th March 2023. Results A total of 2243 patients with S. mansoni were reported from 24 case reports, 11 cross-sectional studies, 7 case series, 2 cohort studies and 2 randomized controlled trials. The prevalence of any respiratory symptom was 13.3-63.3% (total number of patients studied, n = 149). The prevalence of the individual symptoms among patients with S. mansoni in whom respiratory symptoms were sought for was as follows: cough (8.3-80.6%, n = 338), dyspnea (1.7-100.0%, n = 200), chest pain (9.0-57.1%, n = 86), sputum production (20.0-23.3%, n = 30) and wheezing (0.0 - 20.0%, n = 1396). The frequency of the symptoms tended to be higher in acute schistosomiasis. Restrictive lung disease was prevalent in 29.0% (9/31). The commonest chest imaging findings reported were nodules (20-90%, n = 103) and interstitial infiltrates (12.5-23.0%, n = 89). Peripheral blood eosinophilia was prevalent in 72.0-100.0% of patients (n = 130) with acute schistosomiasis and correlated with symptoms and imaging abnormalities. Three case reports in chronic S. mansoni reported elevated C-reactive protein, leucocyte, neutrophil and absolute eosinophil counts, eosinophil percentage, IgE and IgG4. Conclusion There is a high prevalence of respiratory morbidity among patients with S. mansoni, particularly in the acute stage of the infection, although the studies are relatively small. Larger studies are needed to characterize respiratory morbidity in chronic schistosomiasis and determine the underlying clinical and immunological mechanisms.
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Affiliation(s)
- Joseph Baruch Baluku
- Immunomodulation and Vaccines Programme, MRC/UVRI and LSHTM Uganda Research Unit, Entebbe, Uganda
- Department of Internal Medicine, Makerere University College of Health Sciences, PO Box 26343, Kampala, Uganda
| | - Ronald Olum
- St. Francis Hospital, Nsambya, Kampala, Uganda
| | - Richard E. Sanya
- Immunomodulation and Vaccines Programme, MRC/UVRI and LSHTM Uganda Research Unit, Entebbe, Uganda
- Chronic Diseases Management Unit, African Population and Health Research Center, Nairobi, Uganda
| | - Ponsiano Ocama
- Immunomodulation and Vaccines Programme, MRC/UVRI and LSHTM Uganda Research Unit, Entebbe, Uganda
- Department of Internal Medicine, Makerere University College of Health Sciences, Kampala, Uganda
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Meltzer E. Schistosomiasis: still a neglected disease. J Travel Med 2021; 28:6319591. [PMID: 34254141 DOI: 10.1093/jtm/taab107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/08/2021] [Accepted: 07/08/2021] [Indexed: 11/12/2022]
Abstract
Schistosomiasis remains an infrequent travel-related disease, mostly affecting returnees from Sub-Saharan Africa. The neglect of schistosomiasis research and development has consequences not only for endemic populations but also for travellers. Recent studies highlight deficits in clinical recognition, diagnostics and therapy of travel-related schistosomiasis, with significant morbidity, both acute and chronic.
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Affiliation(s)
- Eyal Meltzer
- Center for Geographic Medicine and Department of Medicine C, Sheba Medical Center, Tel HaShomer, Israel.,Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
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