Retrospective Evaluation of Toxoplasma gondii Test Results in Patients Applying to A Research Hospital

Objective: This study retrospectively evaluates our laboratory Toxoplasma gondii immunoglobulin (Ig)M, IgG antibody and avidity test results to determine the distribution of the pathogen according to sex, age, clinics and years. Methods: The serum samples sent to Pamukkale University Healthcare Res...

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Main Authors: Sedef Zeliha Öner, İlknur Kaleli, Melek Demir, Ahmet Çalışkan, Ergun Mete, Hande Şenol, Çağrı Ergin
Format: Article
Language:English
Published: Galenos Yayinevi 2024-12-01
Series:Türkiye Parazitoloji Dergisi
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Online Access:https://www.turkiyeparazitolderg.org/articles/retrospective-evaluation-of-lessemgreatertoxoplasma-gondii-lessemgreatertest-results-in-patients-applying-to-a-research-hospital/doi/tpd.galenos.2025.44227
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author Sedef Zeliha Öner
İlknur Kaleli
Melek Demir
Ahmet Çalışkan
Ergun Mete
Hande Şenol
Çağrı Ergin
author_facet Sedef Zeliha Öner
İlknur Kaleli
Melek Demir
Ahmet Çalışkan
Ergun Mete
Hande Şenol
Çağrı Ergin
author_sort Sedef Zeliha Öner
collection DOAJ
description Objective: This study retrospectively evaluates our laboratory Toxoplasma gondii immunoglobulin (Ig)M, IgG antibody and avidity test results to determine the distribution of the pathogen according to sex, age, clinics and years. Methods: The serum samples sent to Pamukkale University Healthcare Research and Practice Hospital’s Medical Microbiology laboratory between January 2016 and December 2023 were evaluated for T. gondii seropositivity. Toxoplasma antibodies and avidity testing were studied using chemiluminescent microparticle immunological testing method (Abbott Architect i2000SR, Weisbaden, Germany). Results: The study evaluated 42,817 tests ordered from patients with suspected toxoplasmosis. Five hundred-three (2.1%) were found to be anti-T. gondii-IgM positive and 4.406 (24.7%) to be anti-T. gondii-IgG positive. Anti-T. gondii-IgM and anti-T. gondii-IgG positivity were significantly higher in women than in men (p=0.0001; p=0.0001, respectively). Anti-T. gondii-IgM positivity was found to be high between the ages of 19 and 49 (p=0.0001). The anti-T. gondii-IgG positivity rate increased with age (p=0.0001). Anti-T. gondii-IgM and anti-T. gondii-IgG positivity rates have decreased significantly over the last four years (2020-2023) compared to the first four years (2016-2019) (p=0.0001; p=0.0001, respectively). When the results of 582 patients with T. gondii-avidity requests were evaluated, 38.1% of the anti-T. gondii-IgM positive patients and 7.8% of the anti-T. gondii-IgM negative patients had low avidity. Conclusion: T. gondii seroprevalence was found to be similar to the global average, with female sex, age and nationality among the risk factors. It has also been observed that seroprevalence has significantly decreased in recent years.
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publishDate 2024-12-01
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series Türkiye Parazitoloji Dergisi
spelling doaj-art-13fbad1d335e43da99d461a3a8f168bd2025-01-23T07:56:03ZengGalenos YayineviTürkiye Parazitoloji Dergisi1300-63202146-30772024-12-0148424525010.4274/tpd.galenos.2025.44227Retrospective Evaluation of Toxoplasma gondii Test Results in Patients Applying to A Research HospitalSedef Zeliha Öner0https://orcid.org/0000-0002-9964-2526İlknur Kaleli1https://orcid.org/0000-0001-9689-8297Melek Demir2https://orcid.org/0000-0002-1551-9265Ahmet Çalışkan3https://orcid.org/0000-0002-1156-3787Ergun Mete4https://orcid.org/0000-0002-0854-2440Hande Şenol5https://orcid.org/0000-0001-6395-7924Çağrı Ergin6https://orcid.org/0000-0001-7783-8723Pamukkale University Faculty of Medicine, Department of Medical Microbiology, Denizli, TürkiyePamukkale University Faculty of Medicine, Department of Medical Microbiology, Denizli, TürkiyePamukkale University Faculty of Medicine, Department of Medical Microbiology, Denizli, TürkiyePamukkale University Faculty of Medicine, Department of Medical Microbiology, Denizli, TürkiyePamukkale University Faculty of Medicine, Department of Medical Microbiology, Denizli, TürkiyePamukkale University Faculty of Medicine, Department of Biostatistics, Denizli, TürkiyePamukkale University Faculty of Medicine, Department of Medical Microbiology, Denizli, TürkiyeObjective: This study retrospectively evaluates our laboratory Toxoplasma gondii immunoglobulin (Ig)M, IgG antibody and avidity test results to determine the distribution of the pathogen according to sex, age, clinics and years. Methods: The serum samples sent to Pamukkale University Healthcare Research and Practice Hospital’s Medical Microbiology laboratory between January 2016 and December 2023 were evaluated for T. gondii seropositivity. Toxoplasma antibodies and avidity testing were studied using chemiluminescent microparticle immunological testing method (Abbott Architect i2000SR, Weisbaden, Germany). Results: The study evaluated 42,817 tests ordered from patients with suspected toxoplasmosis. Five hundred-three (2.1%) were found to be anti-T. gondii-IgM positive and 4.406 (24.7%) to be anti-T. gondii-IgG positive. Anti-T. gondii-IgM and anti-T. gondii-IgG positivity were significantly higher in women than in men (p=0.0001; p=0.0001, respectively). Anti-T. gondii-IgM positivity was found to be high between the ages of 19 and 49 (p=0.0001). The anti-T. gondii-IgG positivity rate increased with age (p=0.0001). Anti-T. gondii-IgM and anti-T. gondii-IgG positivity rates have decreased significantly over the last four years (2020-2023) compared to the first four years (2016-2019) (p=0.0001; p=0.0001, respectively). When the results of 582 patients with T. gondii-avidity requests were evaluated, 38.1% of the anti-T. gondii-IgM positive patients and 7.8% of the anti-T. gondii-IgM negative patients had low avidity. Conclusion: T. gondii seroprevalence was found to be similar to the global average, with female sex, age and nationality among the risk factors. It has also been observed that seroprevalence has significantly decreased in recent years.https://www.turkiyeparazitolderg.org/articles/retrospective-evaluation-of-lessemgreatertoxoplasma-gondii-lessemgreatertest-results-in-patients-applying-to-a-research-hospital/doi/tpd.galenos.2025.44227toxoplasma gondiiseroprevalenceagechange over years
spellingShingle Sedef Zeliha Öner
İlknur Kaleli
Melek Demir
Ahmet Çalışkan
Ergun Mete
Hande Şenol
Çağrı Ergin
Retrospective Evaluation of Toxoplasma gondii Test Results in Patients Applying to A Research Hospital
Türkiye Parazitoloji Dergisi
toxoplasma gondii
seroprevalence
age
change over years
title Retrospective Evaluation of Toxoplasma gondii Test Results in Patients Applying to A Research Hospital
title_full Retrospective Evaluation of Toxoplasma gondii Test Results in Patients Applying to A Research Hospital
title_fullStr Retrospective Evaluation of Toxoplasma gondii Test Results in Patients Applying to A Research Hospital
title_full_unstemmed Retrospective Evaluation of Toxoplasma gondii Test Results in Patients Applying to A Research Hospital
title_short Retrospective Evaluation of Toxoplasma gondii Test Results in Patients Applying to A Research Hospital
title_sort retrospective evaluation of toxoplasma gondii test results in patients applying to a research hospital
topic toxoplasma gondii
seroprevalence
age
change over years
url https://www.turkiyeparazitolderg.org/articles/retrospective-evaluation-of-lessemgreatertoxoplasma-gondii-lessemgreatertest-results-in-patients-applying-to-a-research-hospital/doi/tpd.galenos.2025.44227
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