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タイトル: | Lymphocyte Area Under the Curve as a Predictive Factor for Viral Infection after Allogenic Hematopoietic Stem Cell Transplantation |
著者: | Watanabe, Mizuki Kanda, Junya ![]() ![]() ![]() Hishizawa, Masakatsu Kondo, Tadakazu ![]() ![]() Yamashita, Kouhei Takaori-Kondo, Akifumi |
著者名の別形: | 諫⽥, 淳也 菱澤, 方勝 近藤, 忠一 山下, 浩平 髙折, 晃史 |
キーワード: | Lymphocyte AUC HHV-6 CMV antigenemia Viral reactivation Immune reconstitution |
発行日: | Mar-2019 |
出版者: | Elsevier Inc. |
誌名: | Biology of Blood and Marrow Transplantation |
巻: | 25 |
号: | 3 |
開始ページ: | 587 |
終了ページ: | 593 |
抄録: | Viral infection is a serious complication that can greatly affect patient mortality and morbidity after allogenic hematopoietic stem cell transplantation (allo-HSCT). For the early identification of patients at high risk for viral infection, we evaluated the impact of lymphocyte area under the curve (AUC) value as a new predictive factor for early immune reconstitution after allo-HSCT against viral infection. This study included 286 patients who underwent their first allo-HSCT at Kyoto University Hospital between 2005 and 2017. Lymphocyte AUC from day 0 to day +15 was calculated in the analysis of human herpesvirus 6 (HHV-6), and lymphocyte AUC from day 0 to day +30 was calculated in the analysis of other viruses (cytomegalovirus [CMV], adenovirus, BK virus, JC virus, and varicella zoster virus). The risk factors for each viral reactivation/infection were assessed by multivariate analysis. The median age at transplantation was 51 years (range, 17 to 68 years). The median lymphocyte AUC was 63/μL (range, 0 to 5620/μL) at day +15 and 3880 (range, 0 to 118, 260/μL) at day +30. An increase in lymphocyte AUC was significantly associated with a high frequency of HHV-6 reactivation (P = .033) and a low frequency of CMV antigenemia (P = .014). No apparent association was found between lymphocyte AUC and reactivation/infection of other viruses. Aplastic anemia as a primary disease (hazard ratio [HR], 5.34; P < .001) and cord blood as a donor source (HR, 3.05; P = .006) were other risk factors for HHV-6 reactivation. Other risk factors for CMV antigenemia included the occurrence of acute graft-versus-host disease (HR 2.21; P < .001) and recipient age (HR 1.55; P = .017). Higher lymphocyte AUC at day +30 was significantly associated with low treatment-related mortality (HR, .47; P = .045). Lymphocyte AUC may be a good predictive factor for immune reconstitution against CMV reactivation. It also provides valuable information for predicting HHV-6 reactivation and treatment-related mortality. |
著作権等: | © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ The full-text file will be made open to the public on 1 March 2020 in accordance with publisher's 'Terms and Conditions for Self-Archiving'. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 This is not the published version. Please cite only the published version. |
URI: | http://hdl.handle.net/2433/241617 |
DOI(出版社版): | 10.1016/j.bbmt.2018.10.014 |
PubMed ID: | 30359733 |
出現コレクション: | 学術雑誌掲載論文等 |

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