{"title":"Evaluation of the immature platelet fraction as a predictive marker of bone marrow regeneration after hematopoietic stem cell transplantation.","authors":"Kélian Steibel, Magalie Joris, Valentin Clichet, Amandine Charbonnier, Judith Desoutter, Jean-Pierre Marolleau, Loïc Garçon, Thomas Boyer","doi":"10.1111/ijlh.14358","DOIUrl":"https://doi.org/10.1111/ijlh.14358","url":null,"abstract":"<p><strong>Introduction: </strong>Hematopoietic stem cell transplantation (HCST) is a widely used therapy in the management of hematological malignancies, leading to cytopenias that require transient transfusions. Platelet recovery (PR) following HSCT is assessed by monitoring platelet count (PC). Immature platelet fraction (IPF) is a research parameter offered by Sysmex® on XN series analyzers, enabling rapid diagnostic orientation in the event of thrombocytopenia. It has also been described as a predictive factor for PR after chemotherapy or HSCT, and thresholds have been proposed.</p><p><strong>Methods: </strong>The objective of this study was to assess the predictive capability of IPF for PR in a prospective cohort of patients undergoing HSCT and to evaluate its utility in guiding platelet transfusion decision.</p><p><strong>Results: </strong>An optimized A-IPF (absolute number of IPF) threshold of 2.5 × 10<sup>9</sup>/L was predictive of a PC greater than 50 × 10<sup>9</sup>/L at day 30 with a sensitivity of 78.9%, specificity of 78.6%, positive predictive value (PPV) of 83.3% and negative predictive value (NPV) of 73.3%. We were able to distinguish patients recovering PC before day 15 with an earlier %IPF peak, greater IPF recovery kinetics and faster neutrophil recovery.</p><p><strong>Conclusion: </strong>A-IPF shows promise as a predictor of PR following HSCT. A multicenter study could help confirm both A-IPF and %IPF (IPF) clinical utility before it is made available to clinicians.</p>","PeriodicalId":94050,"journal":{"name":"International journal of laboratory hematology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142134897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Marnix Mylemans, Nancy Boeckx, Ann Janssens, Mercedeh Tajdar, Christine Van Laer
{"title":"Fluorescence-Based Platelet Count, Blood Smear and Pre-Analytics Are Decisive in a Case of Fibrin Strand Interference Masking Severe Thrombocytopenia in an ITP Patient.","authors":"Marnix Mylemans, Nancy Boeckx, Ann Janssens, Mercedeh Tajdar, Christine Van Laer","doi":"10.1111/ijlh.14367","DOIUrl":"https://doi.org/10.1111/ijlh.14367","url":null,"abstract":"","PeriodicalId":94050,"journal":{"name":"International journal of laboratory hematology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142127754","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pei-Chun Shih, Yi-Hua Wang, Shey-Ying Chen, Min Tseng, Cheng-An Hsu, Ming-Yan Yang, Hsin-Yao Wang, Jia-Arng Lee
{"title":"Delta Immature Platelet Fraction Is Associated With Mortality in Bacteremia Patients.","authors":"Pei-Chun Shih, Yi-Hua Wang, Shey-Ying Chen, Min Tseng, Cheng-An Hsu, Ming-Yan Yang, Hsin-Yao Wang, Jia-Arng Lee","doi":"10.1111/ijlh.14365","DOIUrl":"https://doi.org/10.1111/ijlh.14365","url":null,"abstract":"<p><strong>Objectives: </strong>Immature platelet fraction (IPF) for differentiating bacteremia has been explored, whereas its prognostic correlation remains uncertain. This study aims to confirm the predictive capability of IPF for bacteremia and investigate its association with prognosis.</p><p><strong>Methods: </strong>Patients with complete blood count (CBC) on the blood culture day (D1) and the preceding day (D0) were retrospectively recruited and categorized into bacteremia and nonbacteremia groups. Immature platelet (IP) analysis, alongside CBC, was conducted. Delta IPF, defined by the absolute values of D1 minus D0 results was calculated. The ability to distinguish bacteremia from nonbacteremia patients, and the correlation with mortality were analyzed.</p><p><strong>Results: </strong>From February to December 2020, a total of 150 patients were enrolled, with 75 having bacteremia. The specificity for delta IPF ≥3.4% to predict bacteremia was 97.3% (95% confidence interval [CI]: 90.7-99.7). When delta IPF ≥3.4% combined with procalcitonin ≥0.5 (ng/mL), the sensitivity was 90.5% (95% CI: 69.6%-98.8%). Within the bacteremia group, delta IPF and the proportion of patients with delta IPF ≥1.5% were significantly higher in nonsurvival, while delta platelet levels did not. Furthermore, delta IPF ≥1.5% was independently associated with 30-day mortality (adjusted odds ratio: 3.88, 95% CI: 1.2%-11.4%; p = 0.020). The 30-day survival curve demonstrated a significant difference between patients with delta IPF ≥1.5% and those without (p < 0.001).</p><p><strong>Conclusions: </strong>Delta IPF correlates with mortality in bacteremia patients. Our findings suggest IPF not only helps detect bacteremia but also predicts prognosis in the early stage.</p>","PeriodicalId":94050,"journal":{"name":"International journal of laboratory hematology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142121436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Establishing reference intervals for extended red blood cell parameters with the Mindray BC-6800Plus hematology analyzer in a Chinese population.","authors":"Yanping Luo, Shuaiyan Wang, Zhuocheng Chen, Shan Lin, Sanping Guo, Hongmei Mo","doi":"10.1111/ijlh.14361","DOIUrl":"https://doi.org/10.1111/ijlh.14361","url":null,"abstract":"","PeriodicalId":94050,"journal":{"name":"International journal of laboratory hematology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142038091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Myeloid sarcoma of the breast with synchronous early T-cell precursor acute lymphoblastic leukemia: A rare presentation.","authors":"Subhajit Hajra, Kavya Ur, Zahed Ali Qamer, Karthik Kumar, Priyavadhana Balasubramanian, Gaurav Dhingra, Neha Singh, Nilotpal Chowdhury","doi":"10.1111/ijlh.14360","DOIUrl":"https://doi.org/10.1111/ijlh.14360","url":null,"abstract":"","PeriodicalId":94050,"journal":{"name":"International journal of laboratory hematology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142006189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A rare case of bone marrow infiltration by Langerhans cell with bilobed and folded lobulated nuclei.","authors":"Jinshuang Bo, Shuai Wang, Shenghai Gao, Xiaowen Xin","doi":"10.1111/ijlh.14362","DOIUrl":"https://doi.org/10.1111/ijlh.14362","url":null,"abstract":"","PeriodicalId":94050,"journal":{"name":"International journal of laboratory hematology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141984216","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
J Maes, H Devos, B Cauwelier, P De Paepe, J Emmerechts
{"title":"Mature plasmacytoid dendritic cell proliferation associated with acute myeloid leukemia.","authors":"J Maes, H Devos, B Cauwelier, P De Paepe, J Emmerechts","doi":"10.1111/ijlh.14356","DOIUrl":"https://doi.org/10.1111/ijlh.14356","url":null,"abstract":"","PeriodicalId":94050,"journal":{"name":"International journal of laboratory hematology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141914908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Shuyu E, Guilin Tang, Shaoying Li, Ellen Schlette, Sa A Wang, Jie Xu
{"title":"Anaplastic large cell lymphoma with ATIC::ALK in leukemic phase and associated with hemophagocytic lymphohistiocytosis.","authors":"Shuyu E, Guilin Tang, Shaoying Li, Ellen Schlette, Sa A Wang, Jie Xu","doi":"10.1111/ijlh.14355","DOIUrl":"https://doi.org/10.1111/ijlh.14355","url":null,"abstract":"","PeriodicalId":94050,"journal":{"name":"International journal of laboratory hematology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141899244","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}