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. 2024 Oct;262(10):3305-3312.
doi: 10.1007/s00417-024-06502-0. Epub 2024 May 3.

Clinical characteristics of viral-associated Fuchs uveitis syndrome and Posner-Schlossman syndrome in a Chinese population

Hui Liu  1 , Yuxian Lai  1 , Yaning Liu  1 , Guannan Su  1 , Peizeng Yang  2
Affiliations

Clinical characteristics of viral-associated Fuchs uveitis syndrome and Posner-Schlossman syndrome in a Chinese population

Hui Liu et al. Graefes Arch Clin Exp Ophthalmol. 2024 Oct.

Abstract

Purpose: To identify the types of viral infection in aqueous humor (AqH) among patients diagnosed as Fuchs uveitis syndrome (FUS) or Posner-Schlossman syndrome (PSS) and investigate their relevance to clinical manifestations and visual outcome.

Methods: A total of 375 patients and 171 patients were diagnosed as FUS or PSS in our department. AqH and serum samples from 68 FUS patients and 16 PSS patients were obtained during eye surgery. The viral etiologies, clinical features, auxiliary tests and visual prognosis of patients with FUS or PSS who underwent AqH analysis were analysed and compared.

Results: Among 68 FUS patients, rubella virus (RV), cytomegalovirus (CMV), herpes simplex virus (HSV) and varicella-zoster virus were identified in 17, 11, 1 and 1 patients, respectively. Seven patients with CMV and 1 with HSV were identified in 16 PSS patients. In both FUS and PSS groups, virus-associated eyes had higher proportion of secondary glaucoma and worse visual prognosis as compared with non-virus-associated eyes (all P < 0.05). In FUS group, specifically, CMV infection manifested as more obvious anterior segment inflammation and lower corneal endothelial cell density (CECD). RV infection showed a higher percentage of vitritis. In PSS group, CMV-associated PSS had a lower retinal nerve fiber layer thickness and CECD, worse visual prognosis as compared with non-virus-associated PSS (all P < 0.05).

Conclusion: Our study identified 4 types of viral infection in FUS and 2 types of viral infection in PSS. Virus-associated patients are usually associated with more obvious clinical signs and poor visual prognosis.

Keywords: Fuchs uveitis syndrome; Herpesvirus; Posner-Schlossman syndrome; Rubella virus; Viral infection.

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