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The relationship between platelet indices and patent ductus arteriosus in preterm infants: a systematic review and meta-analysis.

Authors
  • Ding, Ran1
  • Zhang, Qianwei1
  • Duan, Yi1
  • Wang, Daijing1
  • Sun, Qibin1
  • Shan, Ruobing2
  • 1 Department of NICU, Qingdao Women and Children's Hospital, Qingdao University, Shibei District, Qingdao, 266000, Shandong province, China. , (China)
  • 2 Department of NICU, Qingdao Women and Children's Hospital, Qingdao University, Shibei District, Qingdao, 266000, Shandong province, China. [email protected] , (China)
Type
Published Article
Journal
European Journal of Pediatrics
Publisher
Springer-Verlag
Publication Date
Mar 01, 2021
Volume
180
Issue
3
Pages
699–708
Identifiers
DOI: 10.1007/s00431-020-03802-5
PMID: 32949292
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Patent ductus arteriosus (PDA), one of the most common disorders in newborns, is associated with many complications in premature infants such as respiratory distress syndrome (RDS) and bronchopulmonary dysplasia (BPD). However, the diagnosis of hemodynamically significant patent ductus arteriosus (hsPDA) is still an ongoing debate. The relationship between platelet parameters and hsPDA has been explored in many studies over the last decade, but there is still no definite conclusion. We aim to explain the relationship between platelet parameters and hsPDA through this meta-analysis. Therefore, we used PubMed, Embase, the Cochrane Library, and Web of Science databases as well as the Google Scholar to search for studies up to May 2020. Three reviewers independently screened the articles, evaluated the quality of the articles, and collected the data. The random-effects model and fixed-effects model were used to evaluate pooled results. We used the I-square (I2) test to examine heterogeneity and the funnel plot; Egger's test and meta-regression analysis were used to test for publication bias. Influence analysis was also carried out in this study. Stata version 12.0 software was used for data analysis. Fourteen studies, which included 3330 newborns, were extracted from 986 studies. The weighted mean difference (WMD) of the platelet count was - 17.98 (p < 0.001), the platelet distribution width (PDW) was 0.27 (p = 0.266), the mean platelet volume (MPV) was 0.01 (p = 0.958), the plateletcrit (PCT) was - 0.03 (p < 0.001), and the platelet mass was - 150.10 (p = 0.001).Conclusion: Platelet count, PCT, and platelet mass of the first 3 days of life are potentially helpful in identifying premature infants at risk of hsPDA. More prospective studies on the relationship between different degrees of thrombocytopenia and platelet function and hsPDA should be conducted. What is Known: • Platelets are involved in the formation of thrombi during closure of the arterial duct. • The diagnosis of hsPDA by Doppler echocardiography and clinical signs is not precise enough. What is New: • Preterm newborns with hsPDA in the first week of life demonstrated a significant reduction in platelet count, platelet mass, and plateletcrit in the first 3 days of life. • No significant difference was shown between hsPDA and non-hsPDA infants in platelet distribution width and mean platelet volume in the first 3 days of life.

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