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Some Parameters of Immune Status in Children before and after Cataract Extraction with Intraocular Lens Implantation
R. A. Aznabaev1, M. T. Aznabaev, V. V. Speransky
1Ufa Research Institute of Eye Diseases, Ufa, Russia.
Insights
This study in children undergoing cataract surgery found that specific immune responses, particularly to S-antigen with increased HLA-DR+ lymphocytes, indicate a higher risk of chronic postoperative inflammation. Monitoring immune status is crucial for predicting surgical outcomes.
Area of Science:
- Ophthalmology
- Immunology
- Pediatrics
Background:
- Cataract surgery in children can lead to postoperative inflammation.
- The role of specific immunological markers in predicting outcomes is not fully understood.
Purpose of the Study:
- To investigate the relationship between immunological parameters and postoperative inflammation in pediatric cataract surgery patients.
- To identify prognostic immunological markers for chronic inflammation.
Main Methods:
- Assessed immunological parameters including T lymphocytes (CD4+, CD8+), HLA-DR+ lymphocytes, and antibody responses to lens (alpha-crystalline) and retina (S-antigen) proteins.
- Analyzed data from 71 children (aged 6-15) who underwent surgery for congenital, traumatic, or secondary cataracts.
Main Results:
- Tissue-specific antibodies were detected in patients with both increased and decreased T-cellular immunity.
- Sensitization to S-antigen, coupled with increased HLA-DR+ lymphocytes and decreased other immune parameters (suggesting autoimmune status), was associated with a high risk of chronic postoperative inflammation, even after atraumatic procedures.
Conclusions:
- Specific immunological profiles, particularly S-antigen sensitization with altered T-lymphocyte subsets and HLA-DR expression, serve as unfavorable prognostic indicators for chronic inflammation post-pediatric cataract surgery.
- Immunological monitoring may aid in predicting and managing postoperative complications.
Abstract:
An immunological study was performed in 71 children aged 6-15 years old. Twenty seven of these 71 patients have undergone surgery for congenital cataract, 23 - for traumatic cataract aspiration-irrigation with a posterior chamber intraocular lens implantation and 21 - for secondary intraocular lens implantation. The number of peripheral blood active T lymphocytes, CD4(+), CD8(+), HLA DR(+) lymphocytes and antibody response to lens (alpha-crystalline) and retina (S-antigen) proteins were determined. Tissue specific antibodies were revealed in cases of both increased and decreased T-cellular immunity parameters. Sensibilization to S-antigen at the background of HLA DR(+) lymphocytes increase and a decrease in other parameters of immunity that may be regarded as the autoimmune status was the most unfavorable prognostic sign. In these cases even after atraumatic surgery the risk of postoperative inflammation was rather high with development of chronicity.
