Author(s): Ditschkowski M, Elmaagacli AH, Trenschel R, Peceny R, Koldehoff M,
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Abstract Bronchiolitis obliterans (BO) and bronchiolitis obliterans organizing pneumonia (BOOP) are late-onset non-infectious pulmonary complications (LONIPCs) following allogeneic hematopoietic stem cell transplantation (HSCT). In the present study 10 of 197 conventionally prepared stem cell recipients developed BOOP after 365 days and 6 patients developed BO 333 days post-transplant. No BOOP or BO was diagnosed following T-cell depletion (p<0.05). Chronic GVHD was ascertained in all BOOP patients and appeared significantly (p<0,001) more frequent in the conventional transplant group. The data confirm a strong association between T-cell activity, chronic GVHD, BO and BOOP and point out the impact of T lymphocytes in the pathomechanism of BOOP.
This article was published in Haematologica
and referenced in Journal of Cancer Science & Therapy