Long-term Ocular Outcomes in Congenital Toxoplasmosis Treated Perinatally.

Journé, Antoine; Garweg, Justus; Ksiazek, Eléa; Peyron, François; Binquet, Christine; Wallon, Martine (2024). Long-term Ocular Outcomes in Congenital Toxoplasmosis Treated Perinatally. Pediatrics, 153(4) American Academy of Pediatrics 10.1542/peds.2023-064114

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BACKGROUND

Congenital toxoplasmosis (CT) can be accompanied by serious organ manifestations, particularly retinochoroiditis, and may occur throughout life. We aimed to monitor long-term ocular prognosis in a large French cohort of patients with CT and its changes over time in the context of mandatory prenatal screening (since 1992) and incidence decrease since 2008.

METHODS

Patients with CT diagnosed between 1987 and 2021 were prospectively included and followed for up to 35 years. The effect of the period of conception on the risk of first retinochoroiditis has been tested using a flexible extension of the Cox model. Incidence rates of retinochoroiditis were estimated.

RESULTS

A total of 646 infected live born children were followed for a median of 12 years (range, 0.5-35); 187 patients (29%) had at least 1 ocular lesion (first at a median age of 5 years; range, 0-26 years) with peaks at 7 and 12 years. Early maternal infection and the presence of nonocular signs at birth were associated with a higher risk of retinochoroiditis, whereas delayed diagnosis of CT (after birth versus before or at birth) was associated with a lower risk (13% decrease for each additional month after birth; P = .01). A period effect for the risk of developing retinochoroiditis in patients born after 2008 was not detected.

CONCLUSIONS

Despite prenatal screening and prolonged perinatal treatment, retinochoroiditis is not a rare event in French patients with CT and can occur well into adulthood, with peak incidences at 7 and 12 years of age. It rarely causes severe damage but warrants regular follow-up into adulthood.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Ophthalmology

UniBE Contributor:

Garweg, Justus

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0031-4005

Publisher:

American Academy of Pediatrics

Language:

English

Submitter:

Pubmed Import

Date Deposited:

11 Mar 2024 16:09

Last Modified:

02 Apr 2024 00:16

Publisher DOI:

10.1542/peds.2023-064114

PubMed ID:

38454832

BORIS DOI:

10.48350/194055

URI:

https://boris.unibe.ch/id/eprint/194055

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