Validation of International Chronic Ocular Graft-Versus-Host Disease (GVHD) Group Diagnostic Criteria as a Chronic Ocular GVHD-Specific Metric

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Abstract

Purpose:

To validate the International Chronic Ocular GVHD Consensus Group (ICCGVHD) diagnostic criteria for chronic ocular chronic graft-versus-host disease (GVHD), by comparing results with comprehensive ophthalmic evaluation after allogeneic hematopoietic stem cell transplantation.

Methods:

A single-institution retrospective chart review was conducted on patients who underwent hematopoietic stem cell transplantation at Vanderbilt University Medical Center in Nashville, TN, from January 1, 2002, through April 17, 2014. A total of 344 patients were eligible for the study. Data collected include the Schirmer test score, corneal fluorescein staining, Ocular Surface Disease Index, conjunctival injection, and presence or absence of systemic GVHD. The diagnosis of chronic ocular GVHD in each participant and determination of the overall severity score were determined based on the newly proposed ICCGVHD diagnostic criteria and compared with the best clinical practice (BCP) score.

Results:

Chronic ocular GVHD was diagnosed in 141/344 (41%) participants, of these, 86 (61%) had complete charts. Based on the BCP score, 1.2% had none, 38.4% mild, 47.7% moderate, and 12.8% had severe chronic ocular GVHD. Based on the ICCGVHD, 34.8% had none, 59.3% mild/moderate, and 5.8% had severe chronic ocular GVHD. The clinical diagnostic stages of chronic ocular GVHD by BCP and ICCGVHD criteria had slight agreement (kappa statistic 0.187, with 95% confidence interval 0.049–0.321), with a higher correlation seen in those with severe chronic ocular GVHD.

Conclusions:

The newly proposed ICCGVHD diagnostic criteria can be used reproducibly for the diagnosis and determination of severity of chronic ocular GVHD. However, larger prospective studies are needed to further validate it.

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