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Gorbea M. Perioperative anesthetic management of premature neonates weighing less than 1500 grams undergoing transcatheter PDA (TC-PDA) closure: An institutional anesthetic experience. Heliyon 2023; 9:e17465. [PMID: 37456008 PMCID: PMC10344701 DOI: 10.1016/j.heliyon.2023.e17465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 07/18/2023] Open
Abstract
Objectives The aim of our study is to describe the various anesthetic techniques and intraoperative management used during transcatheter closure of hemodynamically significant PDAs in VLBW premature infants weighing less than 1.5 kg and their potential impact on postoperative outcomes using a retrospective chart review. Design A retrospective electronic medical chart review was performed in infants who underwent Transcatheter Patent Ductus Arteriosus (TC-PDA) closure at an academic institution between January 1, 2008 and October 4th 2019. Only premature patients with isolated PDA weighing less than 1500 g at the time of the procedure were included in the study. Setting Single Institutional Hospital. Participants Premature patients with isolated PDA weighing less than 1500 g at the time of the procedure. Interventions None. Measurements and main results Interprocedurally, there was no evidence of device embolization or clinically significant vascular obstruction on follow-up echocardiography, and inotropic or vasoactive infusions were not required. All patients survived and were discharged from the hospital after a mean of 86.4 ± 48.49 days (median 74, range 40-180) following initial admission to the NICU. At 7 post-operative days, freedom from ventilatory support reached 70% in all patients. Incidences of device embolization or clinically significant vascular obstruction were not noted on follow-up echocardiography. Conclusions Though our preliminary findings show promising outcomes following TC-PDA closure relative to traditional surgical approaches, further investigations with higher patient volume are needed to validate these promising observations.
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Gonzalez-Luis GE, Borges-Lujan M, Villamor E. Association between endotypes of prematurity and pharmacological closure of patent ductus arteriosus: A systematic review and meta-analysis. Front Pediatr 2023; 11:1078506. [PMID: 36937978 PMCID: PMC10020634 DOI: 10.3389/fped.2023.1078506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 02/10/2023] [Indexed: 03/06/2023] Open
Abstract
Introduction Endotypes leading to very and extremely preterm birth are clustered into two groups: infection/inflammation and dysfunctional placentation. We conducted a systematic review of observational studies exploring the association between these two endotypes and the pharmacological closure of patent ductus arteriosus (PDA) induced by cyclooxygenase (COX) inhibitors. Chorioamnionitis represented the infectious-inflammatory endotype, while dysfunctional placentation proxies were hypertensive disorders of pregnancy (HDP) and small for gestational age (SGA) or intrauterine growth restriction. Methods PubMed/Medline and Embase databases were searched. The random-effects odds ratio (OR) and 95% confidence interval (CI) were calculated for each association. We included 30 studies (12,639 infants). Results Meta-analysis showed a significant association between exposure to HDP and increased rate of pharmacological closure of PDA (17 studies, OR 1.41, 95% CI 1.10-1.81, p = 0.006). In contrast, neither chorioamnionitis (13 studies, OR 0.75, 95% CI 0.47-1.18, p = 0.211) nor SGA (17 studies, OR 1.20, 95% CI 0.96-1.50, p = 0.115) were significantly associated with the response to therapy. Subgroup analyses showed that the higher response to COX inhibitors in the HDP group was significant for indomethacin (OR 1.568, 95% CI 1.147-2.141, p = 0.005) but not for ibuprofen (OR 1.107, 95% CI 0.248-4.392, p = 0.894) or for the studies using both drugs (OR 1.280, 95% CI 0.935-1.751, p = 0.124). However, meta-regression showed that this difference between the drugs was not statistically significant (p = 0.404). Discussion/Conclusion Our data suggest that the pathologic condition that triggers prematurity may alter the response to pharmacological treatment of PDA. The DA of infants exposed to HDP appears to be more responsive to COX inhibitors.
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Affiliation(s)
- Gema E Gonzalez-Luis
- Department of Neonatology, Complejo Hospitalario Universitario Insular Materno-Infantil (CHUIMI) de Canarias, Las Palmas de Gran Canaria, Spain
| | - Moreyba Borges-Lujan
- Department of Neonatology, Complejo Hospitalario Universitario Insular Materno-Infantil (CHUIMI) de Canarias, Las Palmas de Gran Canaria, Spain
| | - Eduardo Villamor
- Department of Pediatrics, Maastricht University Medical Centre (MUMC+), School for Oncology and Developmental Biology (GROW), Maastricht, Netherlands
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Bin-Nun A, Abu-Omar R, Shchors I, Mimouni F, Hammerman C. Does Early Neonatal Thrombocytopenia Affect Ductal Therapeutic Response to Acetaminophen in Preterm Neonates? Am J Perinatol 2022; 29:1519-1523. [PMID: 34921375 DOI: 10.1055/a-1724-3433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVE Perinatal thrombocytopenia has been shown to affect responsiveness to therapeutic ductal closure with cyclooxygenase (COX) inhibitors. This has not been studied in responsiveness to acetaminophen, which has less effect on platelet function. The objective of this study was to evaluate whether thrombocytopenia affects ductal responsiveness to acetaminophen. STUDY DESIGN This study was a retrospective review of preterm neonates <1,500 g. Echocardiograms were performed within the first week of life; if ductal status was found to be hemodynamically significant, infants were treated with acetaminophen. RESULTS We studied 254 infants. Fifty-seven of these (22%) had a hemodynamically significant patent ductus arteriosus (hsPDA) and were treated with acetaminophen. Forty (70%) of those treated responded with ductal closure after one to two courses of acetaminophen. Seventeen infants were considered nonresponsive, requiring the addition of ibuprofen and/or surgical ligation. Sixty seven of the 254 infants (26%) developed moderate thrombocytopenia (platelets <100,000) within the first 10 days of life, more within the hsPDA group (54 vs. 18% p < 0.001); however, no differences in platelet-related parameters were observed between those who did and did not respond to acetaminophen treatment when comparing infants with hsPDA. Twenty-six of the 67 thrombocytopenic infants were already thrombocytopenic prior to acetaminophen treatment, and 19 of these 26 (73%) with pretreatment thrombocytopenia responded to acetaminophen treatment-with the overall response rate of 70%. CONCLUSIONS This study is the first to document that, in contrast to the COX inhibitors, there is no association between early neonatal thrombocytopenia and ductal therapeutic responsiveness to acetaminophen. KEY POINTS · Perinatal thrombocytopenia affects ductal closure with COX inhibitors.. · In contrast to the COX inhibitors, acetaminophen responsiveness is not affected by thrombocytopenia.. · Acetaminophen can be recommended to close hsPDA in the presence of thrombocytopenia..
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Affiliation(s)
- Alona Bin-Nun
- Department of Neonatology, Shaare Zedek Medical Center, Jerusalem, Israel.,Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Rawan Abu-Omar
- Department of Neonatology, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Irina Shchors
- Department of Neonatology, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Francis Mimouni
- Department of Neonatology, Shaare Zedek Medical Center, Jerusalem, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Cathy Hammerman
- Department of Neonatology, Shaare Zedek Medical Center, Jerusalem, Israel.,Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
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Borges-Lujan M, Gonzalez-Luis GE, Roosen T, Huizing MJ, Villamor E. Sex Differences in Patent Ductus Arteriosus Incidence and Response to Pharmacological Treatment in Preterm Infants: A Systematic Review, Meta-Analysis and Meta-Regression. J Pers Med 2022; 12:jpm12071143. [PMID: 35887640 PMCID: PMC9321725 DOI: 10.3390/jpm12071143] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/05/2022] [Accepted: 07/08/2022] [Indexed: 11/16/2022] Open
Abstract
A widely accepted concept in perinatal medicine is that boys are more susceptible than girls to complications of prematurity. However, whether this ‘male disadvantage of prematurity’ also involves persistent patent ductus arteriosus (PDA) has been scarcely investigated. Our aim was to conduct a systematic review and meta-analysis on studies addressing sex differences in the risk of developing PDA among preterm infants. We also investigated whether the response to pharmacological treatment of PDA differs between boys and girls. PubMed/Medline and Embase databases were searched. The random-effects male/female risk ratio (RR) and 95% confidence interval (CI) were calculated. We included 146 studies (357,781 infants). Meta-analysis could not demonstrate sex differences in risk of developing any PDA (37 studies, RR 1.03, 95% CI 0.97 to 1.08), hemodynamically significant PDA (81 studies, RR 1.00, 95% CI 0.97 to 1.02), or in the rate of response to pharmacological treatment (45 studies, RR 1.01, 95% CI 0.98 to 1.04). Subgroup analysis and meta-regression showed that the absence of sex differences was maintained over the years and in different geographic settings. In conclusion, both the incidence of PDA in preterm infants and the response rate to pharmacological treatment of PDA are not different between preterm boys and girls.
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Affiliation(s)
- Moreyba Borges-Lujan
- Department of Neonatology, Complejo Hospitalario Universitario Insular Materno-Infantil (CHUIMI) de Canarias, 35016 Las Palmas de Gran Canaria, Spain; (M.B.-L.); (G.E.G.-L.)
| | - Gema E. Gonzalez-Luis
- Department of Neonatology, Complejo Hospitalario Universitario Insular Materno-Infantil (CHUIMI) de Canarias, 35016 Las Palmas de Gran Canaria, Spain; (M.B.-L.); (G.E.G.-L.)
| | - Tom Roosen
- Department of Pediatrics, Maastricht University Medical Centre (MUMC+), School for Oncology Reproduction (GROW), 6202 Maastricht, The Netherlands; (T.R.); (M.J.H.)
| | - Maurice J. Huizing
- Department of Pediatrics, Maastricht University Medical Centre (MUMC+), School for Oncology Reproduction (GROW), 6202 Maastricht, The Netherlands; (T.R.); (M.J.H.)
| | - Eduardo Villamor
- Department of Pediatrics, Maastricht University Medical Centre (MUMC+), School for Oncology Reproduction (GROW), 6202 Maastricht, The Netherlands; (T.R.); (M.J.H.)
- Correspondence:
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5
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Yarboro MT, Gopal SH, Su RL, Morgan TM, Reese J. Mouse models of patent ductus arteriosus (PDA) and their relevance for human PDA. Dev Dyn 2022; 251:424-443. [PMID: 34350653 PMCID: PMC8814064 DOI: 10.1002/dvdy.408] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/16/2021] [Accepted: 07/27/2021] [Indexed: 12/15/2022] Open
Abstract
The ductus arteriosus (DA) is a unique fetal vascular shunt, which allows blood to bypass the developing lungs in utero. After birth, changes in complex signaling pathways lead to constriction and permanent closure of the DA. The persistent patency of the DA (PDA) is a common disorder in preterm infants, yet the underlying causes of PDA are not fully defined. Although limits on the availability of human DA tissues prevent comprehensive studies on the mechanisms of DA function, mouse models have been developed that reveal critical pathways in DA regulation. Over 20 different transgenic models of PDA in mice have been described, with implications for human DA biology. Similarly, we enumerate 224 human single-gene syndromes that are associated with PDA, including a small subset that consistently feature PDA as a prominent phenotype. Comparison and functional analyses of these genes provide insight into DA development and identify key regulatory pathways that may serve as potential therapeutic targets for the management of PDA.
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Affiliation(s)
- Michael T Yarboro
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, Tennessee, USA
| | - Srirupa H Gopal
- Department of Pediatrics, Erlanger Health System, Chattanooga, Tennessee, USA
| | - Rachel L Su
- Division of Neonatology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Thomas M Morgan
- Division of Medical Genetics and Genomic Medicine, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Jeff Reese
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, Tennessee, USA.,Division of Neonatology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
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Navikiene J, Virsilas E, Vankeviciene R, Liubsys A, Jankauskiene A. Brain and renal oxygenation measured by NIRS related to patent ductus arteriosus in preterm infants: a prospective observational study. BMC Pediatr 2021; 21:559. [PMID: 34886825 PMCID: PMC8656008 DOI: 10.1186/s12887-021-03036-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 11/30/2021] [Indexed: 11/17/2022] Open
Abstract
Background Patent ductus arteriosus (PDA) is common among preterm neonates. Haemodynamically significant ductus arteriosus (hsPDA) can cause ductal steal and contribute to poor outcomes. Our aim was to evaluate ductus arteriosus patency and significance using two-site near-infrared spectroscopy (NIRS) measurements in preterm infants older than 72 h as a supplemental tool to echocardiography. Methods In this prospective observational study, 123 preterm infants (gestational age (GA) < 32 weeks, birth weight < 1500 g) were enrolled. Sixty-four newborns had closed ductus arteriosus (noPDA), and 41 and 18 patients were assigned to the PDA and hsPDA groups, respectively, per predefined echocardiographic criteria. Cerebral and renal oxygenation were assessed during NIRS monitoring. Results A higher renal mean (±SD) regional tissue oxygen saturation (rSpO2) (76.7 (±7.64)) was detected in the noPDA group than in the PDA (71.7 (±9.02)) and hsPDA (67.4 (±13.48)) groups (p < 0.001). Renal fractional tissue oxygen extraction (FTOE) (0.18 (±0.079)) was lower in the noPDA group than in the PDA (0.23 (±0.092)) and hsPDA (0.24 (±0.117))0.117 groups (p = 0.002). Cerebral oxygenation was significantly lower in the hsPDA group (77.0 (±5.16)) than in the noPDA (79.3 (±2.45)) and PDA (79.7 (±2.27)) groups (p = 0.004). There was no significant difference in cerebral fractional tissue oxygen extraction (FTOE) between any of the groups. Conclusions Our results suggest that renal oxygenation is affected by ductus patency in preterm infants older than 72 h. Significant differences in cerebral oxygenation were observed between the hsPDA group and the PDA and noPDA groups. Trial registration ClinicalTrials.gov Identifier: NCT04295395. Registration date: 4 March 2020. This study was retrospectively registered, https://clinicaltrials.gov/ct2/show/NCT04295395.
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Affiliation(s)
- Jurate Navikiene
- Faculty of Medicine, Institute of Clinical Medicine, Vilnius University, Vilnius, Lithuania.
| | - Ernestas Virsilas
- Faculty of Medicine, Institute of Clinical Medicine, Vilnius University, Vilnius, Lithuania
| | - Ramune Vankeviciene
- Faculty of Medicine, Institute of Clinical Medicine, Vilnius University, Vilnius, Lithuania
| | - Arunas Liubsys
- Faculty of Medicine, Institute of Clinical Medicine, Vilnius University, Vilnius, Lithuania
| | - Augustina Jankauskiene
- Faculty of Medicine, Institute of Clinical Medicine, Vilnius University, Vilnius, Lithuania
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Karabulut B, Arcagök BC, Simsek A. Utility of the Platelet-to-Lymphocyte Ratio in Diagnosing and Predicting Treatment Success in Preterm Neonates with Patent Ductus Arteriosus. Fetal Pediatr Pathol 2021; 40:103-112. [PMID: 31707901 DOI: 10.1080/15513815.2019.1686786] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND We investigated the predictive ability of the platelet-to-lymphocyte ratio (PLR) in preterm infants to discriminate those with and without hemodynamically significant PDA (hsPDA and non-hsPDA), hsPDA defined by those requiring medical intervention. METHODS This observational retrospective cohort study included premature neonates (<34 weeks gestational age) with routine complete blood counts in a neonatal intensive care unit. RESULTS PLR values on the 1st, 2nd, 3rd, and 7th days of birth were higher and lymphocyte counts were lower in the hsPDA than in the non-hsPDA group. Plateletcrit (PCT) values on the 2nd and 3rd days of birth were lower in the hsPDA group. All hsPDAs closed with medical therapy. CONCLUSIONS PLR may be a supportive tool for predicting those preterm infants with PDAs requiring medical intervention. This may serve as a guide for future studies investigating the predictive value of PCT and PLR for hsPDA in preterm infants.
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Affiliation(s)
- Birol Karabulut
- Department of Pediatrics, Division of Neonatology, Ataturk Training and Research Hospital, Izmir Katip Celebi University, Karabaglar, Izmir, Turkey
| | - Baran Cengiz Arcagök
- Depatment of Pediatrics, Division of Neonatology, Acibadem Mehmet Ali Aydinlar University, Altunizade, Istanbul, Turkey
| | - Ayse Simsek
- Depatment of Pediatrics, Division of Pediatric Cardiology, Buca Gynaecology and Pediatrics Hospital, Izmir, Turkey
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8
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The relationship between platelet indices and patent ductus arteriosus in preterm infants: a systematic review and meta-analysis. Eur J Pediatr 2021; 180:699-708. [PMID: 32949292 DOI: 10.1007/s00431-020-03802-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 08/12/2020] [Accepted: 09/04/2020] [Indexed: 01/11/2023]
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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Sallmon H, Timme N, Atasay B, Erdeve Ö, Hansmann G, Singh Y, Weber SC, Shelton EL. Current Controversy on Platelets and Patent Ductus Arteriosus Closure in Preterm Infants. Front Pediatr 2021; 9:612242. [PMID: 33718298 PMCID: PMC7946843 DOI: 10.3389/fped.2021.612242] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 02/03/2021] [Indexed: 12/13/2022] Open
Abstract
Platelets are critically involved in murine patent ductus arteriosus (PDA) closure. To date, the clinical significance of these findings in human preterm infants with PDA is still controversial. We discuss the available study data on the role of platelets for PDA closure in preterm infants: Several mostly retrospective studies have yielded conflicting results on whether thrombocytopenia contributes to failed spontaneous ductal closure. The same applies to investigations on the role of thrombocytopenia as a risk factor for unsuccessful ductus arteriosus closure by pharmacological treatment with cyclooxygenase inhibitors. Nonetheless, recent meta-analyses have concluded that thrombocytopenia constitutes an independent risk factor for both failed spontaneous and pharmacological PDA closure in preterm infants. However, the available investigations differ in regard to patient characteristics, diagnostic strategies, and treatment protocols. Several studies suggest that impaired platelet function rather than platelet number is critically involved in failure of ductus arteriosus closure in the preterm infant. A recent randomized-controlled trial on platelet transfusions in preterm infants with PDA failed to show any benefit for liberal vs. restrictive transfusion thresholds on PDA closure rates. Importantly, liberal transfusions were associated with an increased rate of intraventricular hemorrhage, and thus should be avoided. In conclusion, the available evidence suggests that thrombocytopenia and platelet dysfunction contribute to failure of spontaneous and pharmacological PDA closure in preterm infants. However, these platelet effects on PDA seem to be of only moderate clinical significance. Furthermore, platelet transfusions in thrombocytopenic preterm infants in order to facilitate PDA closure appear to cause more harm than good.
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Affiliation(s)
- Hannes Sallmon
- Department of Pediatric Cardiology, Charité University Medical Center, Berlin, Germany
- Department of Congenital Heart Disease/Pediatric Cardiology, Deutsches Herzzentrum Berlin (DHZB), Berlin, Germany
| | - Natalie Timme
- Department of Pediatric Cardiology, Charité University Medical Center, Berlin, Germany
| | - Begüm Atasay
- Division of Neonatology, Department of Pediatrics, Ankara University School of Medicine, Ankara, Turkey
| | - Ömer Erdeve
- Division of Neonatology, Department of Pediatrics, Ankara University School of Medicine, Ankara, Turkey
| | - Georg Hansmann
- Department of Pediatric Cardiology and Intensive Care Medicine, Medizinische Hochschule Hannover, Hanover, Germany
| | - Yogen Singh
- Department of Neonatology and Pediatric Cardiology, Cambridge University Hospitals, Cambridge, United Kingdom
- University of Cambridge School of Clinical Medicine, Cambridge, United Kingdom
| | - Sven C. Weber
- Department of Pediatric Cardiology, Charité University Medical Center, Berlin, Germany
| | - Elaine L. Shelton
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, United States
- Department of Pharmacology, Vanderbilt University Medical Center, Nashville, TN, United States
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10
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González-Luis G, Ghirardello S, Bas-Suárez P, Cavallaro G, Mosca F, Clyman RI, Villamor E. Platelet Counts and Patent Ductus Arteriosus in Preterm Infants: An Updated Systematic Review and Meta-Analysis. Front Pediatr 2021; 8:613766. [PMID: 33553072 PMCID: PMC7854898 DOI: 10.3389/fped.2020.613766] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 12/21/2020] [Indexed: 12/15/2022] Open
Abstract
Background: A meta-analysis published in 2015 showed a significant association between low platelet counts in the first day(s) of life and risk of patent ductus arteriosus (PDA). The meta-analysis pooled data from 11 studies cohorts (3,479 preterm infants). Objective: To update the meta-analysis by adding new studies on the topic and including other platelet parameters different from platelet counts. Methods: PubMed/Medline and Embase databases were searched. Random-effects risk ratios (RR) and differences in means (DM) and 95% confidence intervals (CI) were calculated. Results: We included 31 studies (7,638 infants). Meta-analysis showed that the risk of developing any PDA was significantly associated with platelet counts<150 × 109/L (11 studies, RR 1.58, 95% CI 1.28 to 1.95), and <100 x 109/L (7 studies, RR 1.61, 95% CI 1.14 to 2.28), but not <50 x 109/L (4 studies, RR 1.34, 95% CI 0.77 to 2.32). Risk of developing hemodynamically significant PDA (hsPDA) was significantly associated with platelet counts<150 x 109/L (12 studies, RR 1.33, 95% CI 1.09 to 1.63), and <100 x 109/L (7 studies, RR 1.39, 95% CI 1.06 to 1.82), but not <50 x 109/L (6 studies, RR 1.24, 95% CI 0.86 to 1.79). Infants with hsPDA had significantly lower mean platelet counts (19 studies, DM 22.0 x 109, 95% CI 14.9 to 29.1) and platelet mass (11 studies, DM 214.4, 95% CI 131.2 to 297.5) and significantly higher platelet distribution width (PDW, 9 studies, DM -0.53, 95% CI -1.01 to -0.05) than infants without hsPDA. Meta-analysis could not demonstrate significant differences in mean platelet volume (MPV). Conclusion: Compared to the previous analysis, this updated meta-analysis included 21 additional studies that provide stronger evidence of the association between low platelet counts and PDA/hsPDA. Other platelet parameters such as platelet mass and PDW are also associated with hsPDA risk. However, the low number of platelets may be an epiphenomenon associated with the maturity and clinical stability of preterm infants rather than a contributing factor in the pathogenesis of PDA.
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Affiliation(s)
- Gema González-Luis
- Department of Neonatology, Complejo Hospitalario Universitario Insular Materno-Infantil (CHUIMI) de Canarias, Las Palmas de Gran Canaria, Spain
| | - Stefano Ghirardello
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Pilar Bas-Suárez
- Department of Pediatrics, Hospital Vithas Santa Catalina, Las Palmas de Gran Canaria, Spain
| | - Giacomo Cavallaro
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Fabio Mosca
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
| | - Ronald I Clyman
- Cardiovascular Research Institute, Department of Pediatrics, University of California, San Francisco, San Francisco, CA, United States
| | - Eduardo Villamor
- Department of Pediatrics, Maastricht University Medical Center (MUMC+), School for Oncology and Developmental Biology (GROW), Maastricht, Netherlands
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11
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Huizing MJ, Borges-Luján M, Cavallaro G, González-Luis GE, Raffaeli G, Bas-Suárez P, Bakker JA, Moonen RM, Villamor E. Plasma Amino Acid Concentrations at Birth and Patent Ductus Arteriosus in Very and Extremely Preterm Infants. Front Pediatr 2021; 9:647018. [PMID: 33643980 PMCID: PMC7905031 DOI: 10.3389/fped.2021.647018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 01/20/2021] [Indexed: 11/17/2022] Open
Abstract
Background: Amino acids are increasingly recognized as bioactive molecules in numerous physiological and pathophysiological pathways. The non-essential amino acid glutamate is vasoactive in the rat ductus arteriosus (DA) and a decrease in its levels within the 1st days of life has been associated with the presence of patent DA (PDA) in extremely preterm infants. However, these findings have not been confirmed in other studies. Objective: To investigate the possible association between amino acid concentrations in the 1st day of life and the presence of PDA in a cohort of 121 newborns with gestational age (GA) below 30 weeks and birth weight (BW) below 1,500 g. Methods: Plasma samples were collected 6-12 h after birth and amino acid concentrations were determined by tandem mass spectrometry. Besides PDA, we analyzed the potential association of amino acid concentrations with infant sex, small for GA (SGA, defined as BW < third percentile), antenatal corticosteroids, chorioamnionitis, and preeclampsia. Group differences were analyzed by ANOVA adjusted for GA and BW. A Bonferroni significance threshold of P < 0.0024 was used to correct for multiple testing. Results: PDA was found in 48 of the 121 infants examined. We observed higher mean levels of glutamate in infants with PDA (147.0 μmol/L, SD 84.0) as compared with those without (106.7 μmol/L, SD 49.1, P = 0.0006). None of the other amino acid concentrations in the PDA group reached the level of statistical significance that was pre-set to correct for multiple comparisons. Glutamate levels were not significantly affected by infant sex, being SGA, or by exposure to antenatal corticosteroids, clinical chorioamnionitis, or preeclampsia. Conclusion: Our study not only does not confirm the previous findings of low glutamate levels in preterm infants with PDA, but we have even found elevated glutamate concentrations associated with PDA. Nevertheless, despite the high statistical significance, the difference in glutamate levels may lack clinical significance or may be an epiphenomenon associated with the particular clinical condition of infants with PDA.
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Affiliation(s)
- Maurice J Huizing
- Department of Pediatrics, Maastricht University Medical Centre (MUMC+), School for Oncology and Developmental Biology (GROW), Maastricht, Netherlands
| | - Moreyba Borges-Luján
- Department of Neonatology, Complejo Hospitalario Universitario Insular Materno-Infantil (CHUIMI) de Canarias, Las Palmas de Gran Canaria, Spain
| | - Giacomo Cavallaro
- Neonatal Intensive Care Unit, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Gema E González-Luis
- Department of Neonatology, Complejo Hospitalario Universitario Insular Materno-Infantil (CHUIMI) de Canarias, Las Palmas de Gran Canaria, Spain
| | - Genny Raffaeli
- Neonatal Intensive Care Unit, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy.,Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
| | - Pilar Bas-Suárez
- Department of Pediatrics, Hospital Vithas Santa Catalina, Las Palmas de Gran Canaria, Spain
| | - Jaap A Bakker
- Department of Clinical Chemistry and Laboratory Medicine, Leiden University Medical Center, Leiden, Netherlands
| | - Rob M Moonen
- Department of Pediatrics, Zuyderland Medical Center, Heerlen, Netherlands
| | - Eduardo Villamor
- Department of Pediatrics, Maastricht University Medical Centre (MUMC+), School for Oncology and Developmental Biology (GROW), Maastricht, Netherlands
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Zhong J, Lin B, Fu Y, Yu Y, Zhao J, Zhao D, Yang C, Chen X. Platelet Count Might Be Associated With the Closure of Hemodynamically Significant Patent Ductus Arteriosus. Front Pediatr 2021; 9:729461. [PMID: 34708010 PMCID: PMC8544944 DOI: 10.3389/fped.2021.729461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 09/02/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Platelet-rich thrombosis leads to the occlusion of arteries. Whether the association between platelet count and closure of hemodynamically significant patent ductus arteriosus (hsPDA) exists remains inconclusive. Given that neonatal platelet count is significantly affected by infection, this study aims to evaluate the association of platelet parameters before ibuprofen treatment with the closure of hsPDA in very low birth weight (VLBW) infants without concurrent infection. Methods: A retrospective study was conducted at the NICU of Shenzhen Maternity and Child Healthcare Hospital from January 2016 to August 2020. VLBW infants diagnosed with hsPDA, treated with oral ibuprofen and without concurrent infection were included in this study. The platelet parameters were retrieved from the whole-blood test routinely performed within 24 h before starting treatment of oral ibuprofen. A multiple regression model was built to evaluate the association between platelet parameters before ibuprofen treatment and successful closure of hsPDA. Results: A total of 129 premature infants with hsPDA were analyzed in this study. After oral ibuprofen treatment, successful closure of hsPDA was achieved in 70 (54.3%) infants. The gestational age at birth and birth weight in infants with successful or failed closure of hsPDA after ibuprofen treatment were 28.3 vs. 27.6 weeks (p = 0.016) and 1,120 vs. 960 g (p = 0.043), respectively. The rate of mechanical ventilation in infants with successful closure of hsPDA was significantly lower compared to those with failed closure of hsPDA, 31.4 vs. 54.2%, p = 0.014. The platelet count in infants with successful closure of hsPDA after ibuprofen treatment was significantly higher compared to those with failed closure of hsPDA, 212 vs. 183 (in a unit of 109/L), respectively (p = 0.024). Multivariate logistic regression analysis showed that a higher platelet count (≥181 × 109/L) before ibuprofen treatment was independently associated with successful closure of hsPDA [odds ratio 2.556, 95% confidence interval (1.101-5.932), p = 0.029]. Conclusion: The findings in this study suggest that a higher platelet count before oral ibuprofen treatment may predict the probability of successful closure of hsPDA in VLBW infants.
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Affiliation(s)
- Junyan Zhong
- Department of Neonatology, Shenzhen Maternity and Child Healthcare Hospital, The First School of Clinical Medicine, Southern Medical University, Shenzhen, China
| | - Binchun Lin
- Department of Neonatology, Shenzhen Maternity and Child Healthcare Hospital, The First School of Clinical Medicine, Southern Medical University, Shenzhen, China
| | - Yongping Fu
- Department of Neonatology, Shenzhen Maternity and Child Healthcare Hospital, The First School of Clinical Medicine, Southern Medical University, Shenzhen, China
| | - Yanliang Yu
- Department of Neonatology, Shenzhen Maternity and Child Healthcare Hospital, The First School of Clinical Medicine, Southern Medical University, Shenzhen, China
| | - Jie Zhao
- Department of Neonatology, Shenzhen Maternity and Child Healthcare Hospital, The First School of Clinical Medicine, Southern Medical University, Shenzhen, China
| | - Depeng Zhao
- Department of Reproductive Medicine, Shenzhen Maternity and Child Healthcare Hospital, The First School of Clinical Medicine, Southern Medical University, Shenzhen, China
| | - Chuanzhong Yang
- Department of Neonatology, Shenzhen Maternity and Child Healthcare Hospital, The First School of Clinical Medicine, Southern Medical University, Shenzhen, China
| | - Xueyu Chen
- Department of Neonatology, Shenzhen Maternity and Child Healthcare Hospital, The First School of Clinical Medicine, Southern Medical University, Shenzhen, China
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13
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Hamrick SEG, Sallmon H, Rose AT, Porras D, Shelton EL, Reese J, Hansmann G. Patent Ductus Arteriosus of the Preterm Infant. Pediatrics 2020; 146:e20201209. [PMID: 33093140 PMCID: PMC7605084 DOI: 10.1542/peds.2020-1209] [Citation(s) in RCA: 131] [Impact Index Per Article: 32.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/30/2020] [Indexed: 02/07/2023] Open
Abstract
Postnatal ductal closure is stimulated by rising oxygen tension and withdrawal of vasodilatory mediators (prostaglandins, nitric oxide, adenosine) and by vasoconstrictors (endothelin-1, catecholamines, contractile prostanoids), ion channels, calcium flux, platelets, morphologic maturity, and a favorable genetic predisposition. A persistently patent ductus arteriosus (PDA) in preterm infants can have clinical consequences. Decreasing pulmonary vascular resistance, especially in extremely low gestational age newborns, increases left-to-right shunting through the ductus and increases pulmonary blood flow further, leading to interstitial pulmonary edema and volume load to the left heart. Potential consequences of left-to-right shunting via a hemodynamically significant patent ductus arteriosus (hsPDA) include increased risk for prolonged ventilation, bronchopulmonary dysplasia, necrotizing enterocolitis or focal intestinal perforation, intraventricular hemorrhage, and death. In the last decade, there has been a trend toward less aggressive treatment of PDA in preterm infants. However, there is a subgroup of infants who will likely benefit from intervention, be it pharmacologic, interventional, or surgical: (1) prophylactic intravenous indomethacin in highly selected extremely low gestational age newborns with PDA (<26 + 0/7 weeks' gestation, <750 g birth weight), (2) early targeted therapy of PDA in selected preterm infants at particular high risk for PDA-associated complications, and (3) PDA ligation, catheter intervention, or oral paracetamol may be considered as rescue options for hsPDA closure. The impact of catheter-based closure of hsPDA on clinical outcomes should be determined in future prospective studies. Finally, we provide a novel treatment algorithm for PDA in preterm infants that integrates the several treatment modalities in a staged approach.
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Affiliation(s)
- Shannon E G Hamrick
- Divisions of Neonatology and
- Cardiology, Department of Pediatrics, Emory University and Children's Healthcare of Atlanta, Atlanta, Georgia
| | - Hannes Sallmon
- Department of Pediatric Cardiology, Charité University Medical Center, Berlin, Germany
| | | | - Diego Porras
- Department of Cardiology, Boston Children's Hospital and Harvard Medical School, Harvard University, Boston, Massachusetts
| | - Elaine L Shelton
- Division of Neonatology, Vanderbilt University Medical Center, Nashville, Tennessee; and
| | - Jeff Reese
- Division of Neonatology, Vanderbilt University Medical Center, Nashville, Tennessee; and
| | - Georg Hansmann
- Department of Pediatric Cardiology and Critical Care, Hannover Medical School, Hannover, Germany
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Abstract
BACKGROUND Thrombocytopenia is a risk factor for patent ductus arteriosus. Immature and mature platelets exhibit distinct haemostatic properties; however, whether platelet maturity plays a role in postnatal, ductus arteriosus closure is unknown. METHODS In this observational study, counts of immature and mature platelets (=total platelet count - immature platelet count) were assessed on days 1, 3, and 7 of life in very low birth weight infants (<1500 g birth weight). We performed echocardiographic screening for haemodynamically significant patent ductus arteriosus on day 7. RESULTS Counts of mature platelets did not differ on day 1 in infants with (n = 24) and without (n = 45) haemodynamically significant patent ductus arteriosus, while infants with significant patent ductus arteriosus exhibited lower counts of mature platelet on postnatal days 3 and 7. Relative counts of immature platelets (fraction, in %) were higher in infants with patent ductus arteriosus on day 7 but not on days 1 and 3. Receiver operating characteristic curve analysis unraveled associations between both lower mature platelet counts and higher immature platelet fraction (percentage) values on days 3 and 7, with haemodynamically significant ductus arteriosus. Logistic regression analysis revealed that mature platelet counts, but not immature platelet fraction values, were independent predictors of haemodynamically significant patent ductus arteriosus. CONCLUSION During the first week of postnatal life, lower counts of mature platelets and higher immature platelet fraction values are associated with haemodynamically significant patent ductus arteriosus. Lower counts of mature platelet were found to be independent predictors of haemodynamically significant patent ductus arteriosus.
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15
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Gadelrb E, Samra NM, Amin SA, Borayek HA, Abdelrazek G. Platelets and platelet derived growth factor and ductus arteriosus in preterm neonates. PROGRESS IN PEDIATRIC CARDIOLOGY 2020. [DOI: 10.1016/j.ppedcard.2020.101226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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16
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Plasma B-type natriuretic peptide cannot predict treatment response to ibuprofen in preterm infants with patent ductus arteriosus. Sci Rep 2020; 10:4430. [PMID: 32157119 PMCID: PMC7064477 DOI: 10.1038/s41598-020-61291-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 02/24/2020] [Indexed: 11/26/2022] Open
Abstract
Plasma B-type natriuretic peptide (BNP) is a useful marker for diagnosis of hemodynamically significant PDA (hsPDA) and serial BNP measurement is also valuable for monitoring treatment response. This retrospective study was performed to evaluate whether plasma BNP level can predict treatment response to ibuprofen in preterm infants born at <30 weeks of gestation with hsPDA. Plasma BNP was measured before (baseline) and 12 to 24 h after (post-treatment) completion of the first (IBU1) and second (IBU2) course of ibuprofen. We compared the BNP levels of responders (closed or insignificant PDA) with those of non-responders (hsPDA requiring further pharmacologic or surgical closure) to each course of ibuprofen. The treatment response rates for IBU1 (n = 92) and IBU2 (n = 19) were 74% and 26%, respectively. In IBU1, non-responders had lower gestational age and birth weight than responders (both, P = 0.004), while in IBU2, non-responders had lower birth weight (P = 0.014) and platelet counts (P = 0.005) than responders; however, baseline BNP levels did not differ significantly between responders and non-responders in either IBU1 (median 1,434 vs. 1,750 pg/mL) or IBU2 (415 vs. 596 pg/mL). Post-treatment BNP was a useful marker for monitoring treatment efficacy of IBU1 and IBU2 for hsPDA with a cut-off value of 331 pg/mL (P < 0.001) and 423 pg/mL(P < 0.010), respectively. We did not identify a cut-off baseline BNP level that could predict treatment response to ibuprofen in preterm infants with hsPDA.
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17
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Liu C, Zhu X, Li D, Shi Y. Related Factors of Patent Ductus Arteriosus in Preterm Infants: A Systematic Review and Meta-Analysis. Front Pediatr 2020; 8:605879. [PMID: 33469523 PMCID: PMC7813817 DOI: 10.3389/fped.2020.605879] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 11/24/2020] [Indexed: 12/12/2022] Open
Abstract
Background: Patent ductus arteriosus (PDA) is a dramatically harmful disease in the neonatal period, in particular common in preterm infants, and our study was to determine related factors of PDA in preterm infants. Methods: A comprehensive literature review was conducted in PubMed, EMBASE, and Web of Science. The pooled odds ratio and standard mean difference were calculated to compare dichotomous and continuous variables, respectively. In addition, we also assessed the heterogeneity and publication bias and carried out sensitivity analysis for each related factor. Results: We included 45 studies with 87,419 individuals. After the primary analysis and a series of adjustments, results showed chorioamnionitis, lower gestational age, lower birth weight, bronchopulmonary dysplasia, intraventricular hemorrhage, necrotizing enterocolitis, respiratory distress syndrome, sepsis, surfactant treatment, ventilation, and lower platelet count had a positive correlation with PDA, while small for gestational age decreased the incidence of PDA in preterm infants. Besides, premature rupture of membranes, preeclampsia, antenatal steroids, male gender, mean platelet volume, and platelet distribution width were found to have no statistically significant relationship with PDA. Conclusion: Preterm infants with more immature characteristics generally have a higher likelihood to develop PDA. The prevention, diagnosis, and management of PDA may depend on these results, and effective measures can be taken accordingly.
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Affiliation(s)
- Chang Liu
- Department of Neonatology, Children's Hospital of Chongqing Medical University, Chongqing, China.,National Clinical Research Center for Child Health and Disorders, Chongqing, China.,Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
| | - Xingwang Zhu
- Department of Neonatology, Children's Hospital of Chongqing Medical University, Chongqing, China.,National Clinical Research Center for Child Health and Disorders, Chongqing, China.,Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
| | - Dinggang Li
- Department of Neonatology, Children's Hospital of Chongqing Medical University, Chongqing, China.,National Clinical Research Center for Child Health and Disorders, Chongqing, China.,Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
| | - Yuan Shi
- Department of Neonatology, Children's Hospital of Chongqing Medical University, Chongqing, China.,National Clinical Research Center for Child Health and Disorders, Chongqing, China.,Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China.,Chongqing Key Laboratory of Pediatrics, Chongqing, China
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18
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Bardanzellu F, Piras C, Atzei A, Neroni P, Fanos V. Early Urinary Metabolomics in Patent Ductus Arteriosus Anticipates the Fate: Preliminary Data. Front Pediatr 2020; 8:613749. [PMID: 33409262 PMCID: PMC7779766 DOI: 10.3389/fped.2020.613749] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 11/24/2020] [Indexed: 12/18/2022] Open
Abstract
Introduction: In premature neonates, the persistence of hemodynamically significant ductus arteriosus (hsPDA) can be associated with short- and long-term consequences, impairing their outcome. The correct strategy of management for such condition is under debate, especially regarding contraindications and/or side effects. In recent years, metabolomics was applied to several perinatal, pediatric, and adult conditions to investigate potential biomarkers of disease, which have become useful for early diagnosis and/or therapeutic management. Aim of the Study: The main purpose of our exploratory study was to asses, through 1H-NMR metabolomics analysis of urinary samples at birth, possible metabolic pathways differentiating, with a significant predictive power, those preterm neonates who will subsequently develop hsPDA and neonates of comparable gestational age (GA) who will undergo spontaneous ductal closure or the persistence of an irrelevant PDA (no-hsPDA). Moreover, we investigated potential prenatal or perinatal clinical factors potentially influencing the development of hsPDA. Materials and Methods: We enrolled n = 35 preterm neonates with GA between 24 and 32 weeks; urinary samples were collected within the first 12 h of life. Patients were closely monitored regarding intensive care, respiratory support, fluid balance and administered drugs; an echocardiogram was performed at 48-72 h. Results: Our results reported a significant correlation between lower GA at birth and the development of hsPDA. Moreover, neonates with GA ≤ 30w developing hsPDA were characterized by lower Apgar scores at 1' and 5', higher rates of perinatal asphyxia, higher need of delivery room resuscitation and subsequent surfactant administration. Interestingly, metabolomics analysis at birth detected a clear separation between the 1H-NMR urinary spectra of subjects GA ≤ 30w not developing hsPDA (n = 19) and those of subjects born at GA ≤ 30w in which hsPDA was confirmed at 48-72 h of life (n = 5). Conclusions: This is the first study applying metabolomics to investigate the PDA condition. Although preliminary and conducted on a limited sample, our results reveal that metabolomics could be a promising tool in the early identification of hsPDA, potentially superior to the clinical or laboratory predictive tools explored to date and even to the clinical observations and correlations in our sample, through the detection of specific urinary metabolites.
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Affiliation(s)
- Flaminia Bardanzellu
- Neonatal Intensive Care Unit, Department of Surgical Sciences, Azienda Ospedaliero-Universitaria and University of Cagliari, Cagliari, Italy
| | - Cristina Piras
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Alessandra Atzei
- Neonatal Intensive Care Unit, Department of Surgical Sciences, Azienda Ospedaliero-Universitaria and University of Cagliari, Cagliari, Italy
| | - Paola Neroni
- Neonatal Intensive Care Unit, Department of Surgical Sciences, Azienda Ospedaliero-Universitaria and University of Cagliari, Cagliari, Italy
| | - Vassilios Fanos
- Neonatal Intensive Care Unit, Department of Surgical Sciences, Azienda Ospedaliero-Universitaria and University of Cagliari, Cagliari, Italy
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19
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Ghirardello S, Raffaeli G, Crippa BL, Gulden S, Amodeo I, Consonni D, Cavallaro G, Schena F, Mosca F. The Thromboelastographic Profile at Birth in Very Preterm Newborns with Patent Ductus Arteriosus. Neonatology 2020; 117:316-323. [PMID: 32485708 DOI: 10.1159/000507553] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 03/27/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND The role of hemostasis in the closure of patent ductus arteriosus (PDA) in preterm infants is controversial. OBJECTIVE To assess thromboelastography (TEG) at birth in very-low-birth-weight (VLBW) infants affected by PDA. METHODS This was an ancillary study of a prospective observational study aimed at defining the TEG profile in healthy VLBW infants in the first month of life. In this analysis, we included neonates of <33 weeks' gestational age (GA) with PDA and compared TEG traces based on (1) spontaneous closure versus the need for pharmacological treatment and (2) treatment response. We collected blood samples in the 1st day of life to perform recalcified native-blood TEG (reaction time, maximum amplitude, and lysis at 30 min [Ly30)]), standard coagulation tests, and a full blood count. RESULTS We enrolled 151 infants with a PDA at the first echocardiogram; 111 experienced spontaneous PDA closure while 40 required treatment. Mean GA was 29.7 ± 1.7 and 27.6 ± 2.1 weeks, and birth weight was 1,158 ± 256 and 933 ± 263 g in the 2 groups, respectively (p < 0.001). The hemostatic profile was similar between groups. Median hematocrit (44.6 and 48.7%; p = 0.01) and platelet count (187 and 216 × 103/μL; p = 0.04) were lower in the treated group, although differences lost significance after controlling for GA and illness severity in the multivariate analysis. Responders to PDA treatment (n = 20) had a significantly lower median Ly30 than nonresponders (0 and 0.7%; p = 0.02). CONCLUSION TEG at birth does not predict spontaneous PDA closure in preterm newborns. Fibrinolysis is enhanced in nonresponders to PDA treatment; this observation warrants further investigation.
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Affiliation(s)
- Stefano Ghirardello
- NICU, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Genny Raffaeli
- NICU, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy,
| | | | - Silvia Gulden
- NICU, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.,Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
| | - Ilaria Amodeo
- NICU, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Dario Consonni
- Epidemiology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Giacomo Cavallaro
- NICU, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Federico Schena
- NICU, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Fabio Mosca
- NICU, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.,Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
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20
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Kumar J, Yadav A. Comparison of efficacy and safety of oral ibuprofen versus oral indomethacin. Paediatr Int Child Health 2019; 39:299. [PMID: 30729880 DOI: 10.1080/20469047.2019.1575538] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Jogender Kumar
- Department of Paediatrics, All India Institute of Medical Sciences , Jodhpur , India.,Department of Radiodiagnosis, All India Institute of Medical Sciences , Jodhpur , India
| | - Arushi Yadav
- Department of Paediatrics, All India Institute of Medical Sciences , Jodhpur , India.,Department of Radiodiagnosis, All India Institute of Medical Sciences , Jodhpur , India
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21
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Ilhan O, Bor M. Platelet mass index and prediction of severity of transient tachypnea of the newborn. Pediatr Int 2019; 61:697-705. [PMID: 31140210 DOI: 10.1111/ped.13899] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Revised: 04/15/2019] [Accepted: 05/24/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND Platelet mass index (PMI) is associated with platelet functionality. The aim of this study was to evaluate the role of PMI in predicting the severity of transient tachypnea of the newborn (TTN). METHODS Infants with gestational age ≥37 weeks and birthweight ≥2,000 g who were given nasal intermittent mandatory ventilation for TTN ≤6 h after birth were retrospectively enrolled in this study. PMI was calculated using the following formula: PMI = platelet count × mean platelet volume/103 (fL/nL). The study infants (n = 101) were divided into two groups according to the duration of tachypnea: ≤48 h (n = 45) and >48 h (n = 56). RESULTS The PMI and platelet count were significantly lower in the group with tachypnea duration >48 h than in the tachypnea duration ≤48 h group (P < 0.001 and P = 0.04, respectively). A negative significant correlation was noted between PMI and the duration of tachypnea (r = -0.43, P < 0.001). A PMI cut-off of 1,562 fL/nL can predict prolonged tachypnea (>48 h) with a sensitivity of 62.5%, specificity of 68.9%, positive predictive value of 71.4%, and negative predictive value of 59.6% (area under the curve, 0.682 ± 0.053; P = 0.002). CONCLUSIONS Lower PMI and lower platelet count are associated with longer duration of tachypnea in patients with TTN.
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Affiliation(s)
- Ozkan Ilhan
- Department of Neonatology, Harran University School of Medicine, Sanliurfa, Turkey
| | - Meltem Bor
- Department of Neonatology, Harran University School of Medicine, Sanliurfa, Turkey
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22
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Kumar J, Dutta S, Sundaram V, Saini SS, Sharma RR, Varma N. Platelet Transfusion for PDA Closure in Preterm Infants: A Randomized Controlled Trial. Pediatrics 2019; 143:peds.2018-2565. [PMID: 30940676 DOI: 10.1542/peds.2018-2565] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/06/2019] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Thrombocytopenia is associated with late closure of patent ductus arteriosus (PDA). There are few studies evaluating platelet transfusions to treat PDA. We compared liberal platelet-transfusion criteria (to maintain a platelet count >100 000 per µL) versus standard criteria achieve earlier PDA closure among thrombocytopenic preterm neonates (<35 weeks' gestation) with hemodynamically significant PDA (hs-PDA) presenting within the first 2 weeks of life. METHODS Thrombocytopenic (<100 000 per µL) preterm neonates with hs-PDA were enrolled and randomly allocated to the liberal and standard transfusion groups: 22 in each arm. They underwent echocardiography daily until closure of PDA, completion of 120 hours follow-up, or death. All subjects received standard cotreatment with nonsteroidal antiinflammatory drugs. Primary outcome of time to PDA closure was compared by survival analysis. Multivariate Cox proportional hazard regression was performed with randomization group, baseline platelet count, gestational age, and age at enrollment as predictor variables. RESULTS Median time to PDA closure was 72 (95% confidence interval [CI] 55.9-88.1) versus 72 (95% CI 45.5-98.4) hours in the liberal versus restrictive transfusion groups, respectively (unadjusted hazard ratio 0.88 [95% CI 0.4-1.9]; P = .697). Despite adjusting for potential confounders, there was no significant difference in time to PDA closure. In the liberal transfusion group, 41% of infants had any grade of intraventricular hemorrhage compared with 4.5% in the restrictive group (P = .009). CONCLUSIONS Attempting to maintain a platelet count >100 000 per µL by liberally transfusing platelets in preterm thrombocytopenic neonates with hs-PDA does not hasten PDA closure.
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Affiliation(s)
| | | | | | | | | | - Neelam Varma
- Hematology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Kumar J, Yadav A. Comparison of efficacy of paracetamol and ibuprofen in preterm infants. J Matern Fetal Neonatal Med 2019; 33:2862-2863. [PMID: 30563381 DOI: 10.1080/14767058.2018.1559289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Jogender Kumar
- Department of Neonatology, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Arushi Yadav
- Department of Radiodiagnosis, All India Institute of Medical Sciences, Jodhpur, India
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Villamor-Martinez E, Kilani MA, Degraeuwe PL, Clyman RI, Villamor E. Intrauterine Growth Restriction and Patent Ductus Arteriosus in Very and Extremely Preterm Infants: A Systematic Review and Meta-Analysis. Front Endocrinol (Lausanne) 2019; 10:58. [PMID: 30800098 PMCID: PMC6376617 DOI: 10.3389/fendo.2019.00058] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 01/22/2019] [Indexed: 12/11/2022] Open
Abstract
It is generally accepted that intrauterine growth restriction (IUGR) increases morbidity and mortality among very preterm neonates. However, evidence is hampered by the widespread practice of using the terms small for gestational age (SGA) and IUGR as synonyms. We conducted a systematic review of studies reporting on the association between IUGR/SGA and patent ductus arteriosus (PDA). PubMed/MEDLINE and EMBASE databases were searched. Of 993 studies reviewed, 47 (50,790 infants) were included. Studies were combined using a random effects model and sources of heterogeneity were determined by subgroup and meta-regression analyses. Meta-analysis of all included studies showed a significantly reduced risk of PDA in the SGA/IUGR group with an odds ratio (OR) of 0.82, and a 95% confidence interval (CI) of 0.70 to 0.96 (p = 0.015). Of the 47 studies, only 7 used a definition for growth restriction that went beyond birth weight (BW) for gestational age (GA). When pooled, meta-analysis could not demonstrate a significant effect size (OR 1.31, 95% CI 0.75 to 2.27, p = 0.343). Moreover, the significantly reduced risk of PDA was found in the 25 studies defining SGA as BW <10th percentile (OR 0.81, 95% CI 0.66 to 0.98, p = 0.032), but not in the 6 studies defining SGA as BW <3rd (OR 1.09, 95% CI 0.70 to 1.71, p = 0.694), or in the 27 studies using a more refined definition of PDA (i.e., hemodynamically significant PDA or PDA requiring treatment, OR 0.87, 95% CI 0.72 to 1.04, p = 0.133). In addition, we found that GA was significantly higher in the SGA/IUGR group (18 studies, mean difference 0.63 weeks, 95% CI 0.24 to 1.03, p = 0.002). Meta-regression analysis confirmed the correlation between this difference in GA and PDA risk. In summary, we observed marked heterogeneity across studies in the definition of growth restriction and PDA, and we found differences between the control and growth-restricted groups in relevant baseline characteristics, such as GA. Therefore, our meta-analysis could not provide conclusive evidence on the association between growth restriction and PDA.
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Affiliation(s)
- Eduardo Villamor-Martinez
- Department of Pediatrics, School for Oncology and Developmental Biology (GROW), Maastricht University Medical Center (MUMC+), Maastricht, Netherlands
| | - Mohammed A. Kilani
- Department of Pediatrics, School for Oncology and Developmental Biology (GROW), Maastricht University Medical Center (MUMC+), Maastricht, Netherlands
| | - Pieter L. Degraeuwe
- Department of Pediatrics, School for Oncology and Developmental Biology (GROW), Maastricht University Medical Center (MUMC+), Maastricht, Netherlands
| | - Ronald I. Clyman
- Cardiovascular Research Institute and Department of Pediatrics, University of California, San Francisco, San Francisco, CA, United States
| | - Eduardo Villamor
- Department of Pediatrics, School for Oncology and Developmental Biology (GROW), Maastricht University Medical Center (MUMC+), Maastricht, Netherlands
- *Correspondence: Eduardo Villamor
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Villamor-Martinez E, Cavallaro G, Raffaeli G, Mohammed Rahim OMM, Gulden S, Ghazi AMT, Mosca F, Degraeuwe P, Villamor E. Chorioamnionitis as a risk factor for retinopathy of prematurity: An updated systematic review and meta-analysis. PLoS One 2018; 13:e0205838. [PMID: 30332485 PMCID: PMC6192636 DOI: 10.1371/journal.pone.0205838] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 10/02/2018] [Indexed: 12/23/2022] Open
Abstract
The role of chorioamnionitis (CA) in the development of retinopathy of prematurity (ROP) is difficult to establish, because CA-exposed and CA-unexposed infants frequently present different baseline characteristics. We performed an updated systematic review and meta-analysis of studies reporting on the association between CA and ROP. We searched PubMed and EMBASE for relevant articles. Studies were included if they examined preterm or very low birth weight (VLBW, <1500g) infants and reported primary data that could be used to measure the association between exposure to CA and the presence of ROP. Of 748 potentially relevant studies, 50 studies met the inclusion criteria (38,986 infants, 9,258 CA cases). Meta-analysis showed a significant positive association between CA and any stage ROP (odds ratio [OR] 1.39, 95% confidence interval [CI] 1.11 to 1.74). CA was also associated with severe (stage ≥3) ROP (OR 1.63, 95% CI 1.41 to 1.89). Exposure to funisitis was associated with a higher risk of ROP than exposure to CA in the absence of funisitis. Additional meta-analyses showed that infants exposed to CA had lower gestational age (GA) and lower birth weight (BW). Meta-regression showed that lower GA and BW in the CA-exposed group was significantly associated with a higher risk of ROP. Meta-analyses of studies with data adjusted for confounders could not find a significant association between CA and ROP. In conclusion, our study confirms that CA is a risk factor for developing ROP. However, part of the effects of CA on the pathogenesis of ROP may be mediated by the role of CA as an etiological factor for very preterm birth.
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Affiliation(s)
- Eduardo Villamor-Martinez
- Department of Pediatrics, Maastricht University Medical Center (MUMC+), School for Oncology and Developmental Biology (GROW), Maastricht, the Netherlands
| | - Giacomo Cavallaro
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Università degli Studi di Milano, Milan, Italy
| | - Genny Raffaeli
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Università degli Studi di Milano, Milan, Italy
| | - Owais M. M. Mohammed Rahim
- Department of Pediatrics, Maastricht University Medical Center (MUMC+), School for Oncology and Developmental Biology (GROW), Maastricht, the Netherlands
| | - Silvia Gulden
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Università degli Studi di Milano, Milan, Italy
| | - Amro M. T. Ghazi
- Department of Pediatrics, Maastricht University Medical Center (MUMC+), School for Oncology and Developmental Biology (GROW), Maastricht, the Netherlands
| | - Fabio Mosca
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Università degli Studi di Milano, Milan, Italy
| | - Pieter Degraeuwe
- Department of Pediatrics, Maastricht University Medical Center (MUMC+), School for Oncology and Developmental Biology (GROW), Maastricht, the Netherlands
| | - Eduardo Villamor
- Department of Pediatrics, Maastricht University Medical Center (MUMC+), School for Oncology and Developmental Biology (GROW), Maastricht, the Netherlands
- * E-mail:
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26
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Kluckow M, Lemmers P. Hemodynamic assessment of the patent ductus arteriosus: Beyond ultrasound. Semin Fetal Neonatal Med 2018; 23:239-244. [PMID: 29730050 DOI: 10.1016/j.siny.2018.04.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Assessment and management of a patent ductus arteriosus (PDA) in premature infants remains problematic. The more immature the infant, the more likely a PDA is to be present, due to lower spontaneous PDA closure rates. Clinicians now recognize that not all PDAs require treatment and that selection of the group of infants with a more hemodynamically relevant PDA, often manifesting as an increasing systemic-to-pulmonary shunt, is increasingly important. Ultrasound is the mainstay of diagnosis and physiological assessment of the PDA; however, there are other methodologies used to assess hemodynamic importance of the PDA. These range from assessment of clinical signs through biomarkers and finally to physiological assessment of the end-organ effect of the PDA, using methods such as cerebral Doppler or near infra-red spectroscopy. Extended assessment of a PDA's physiological effect may lead to a more individualized approach to PDA treatment.
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Affiliation(s)
- M Kluckow
- Department of Neonatology, Royal North Shore Hospital, University of Sydney, Sydney, Australia.
| | - P Lemmers
- Department of Neonatology, Wilhelmina Children's Hospital, University Medical Center, Utrecht, The Netherlands
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Özer Bekmez B, Tayman C, Büyüktiryaki M, Çetinkaya AK, Çakır U, Derme T. A promising, novel index in the diagnosis and follow-up of patent ductus arteriosus: Red cell distribution width-to-platelet ratio. J Clin Lab Anal 2018; 32:e22616. [PMID: 29978492 DOI: 10.1002/jcla.22616] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 06/18/2018] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND The role of red cell distribution width-to-platelet ratio (RPR) has not previously been mentioned in reports on patent ductus arteriosus (PDA). Our objective was to evaluate whether RPR would have a role in the diagnosis and/or prediction of pharmacological closure of PDA. METHODS Preterm infants' gestational age ≤30 weeks and ≤1500 g who were given first ibuprofen treatment in the first week of life for hemodynamically significant PDA (hsPDA) were included in the study. The patients were matched for gestational age, birthweight, and sex. Patients were subdivided into two groups based on the response to medical treatment (open and closed PDA). Hemogram parameters were recorded before and after medical therapy. Groups were compared with regard to demographic and clinical characteristics and for three sequential hematological parameters. RPR was calculated. Patients with sepsis, anemia, perinatal asphyxia, and congenital/chromosomal anomaly were not included in the study. RESULTS A total of 112 infants had medically treated hsPDA. Of those, ductus closed in 70 neonates (closed PDA). A total of 96 infants constituted the control group. Mean gestational age and birthweight of the patients were 28.9 ± 2.4 weeks and 1207 ± 372 g. While RPR was significantly increased, PCT was lower in both hsPDA and open PDA groups (P < 0.05 and P < 0.05, respectively). In multivariate analysis, high RPR (OR 3.3, 95% CI 1.438-5.872, P < 0.05) and RDS (OR 2.9, 95% CI 1.903-4.811, P < 0.01) were detected as independent risk factors for hsPDA. CONCLUSION Red cell distribution width-to-platelet ratio and PCT may be promising supportive tools for the diagnosis and prediction of pharmacotherapy success.
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Affiliation(s)
- Buse Özer Bekmez
- Division of Neonatology, Zekai Tahir Burak Women's Health Education and Research Hospital, Ankara, Turkey
| | - Cüneyt Tayman
- Division of Neonatology, Zekai Tahir Burak Women's Health Education and Research Hospital, Ankara, Turkey
| | - Mehmet Büyüktiryaki
- Division of Neonatology, Zekai Tahir Burak Women's Health Education and Research Hospital, Ankara, Turkey
| | - Aslıhan Köse Çetinkaya
- Division of Neonatology, Zekai Tahir Burak Women's Health Education and Research Hospital, Ankara, Turkey
| | - Ufuk Çakır
- Division of Neonatology, Zekai Tahir Burak Women's Health Education and Research Hospital, Ankara, Turkey
| | - Turan Derme
- Division of Neonatology, Zekai Tahir Burak Women's Health Education and Research Hospital, Ankara, Turkey
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Kahvecioglu D, Erdeve O, Akduman H, Ucar T, Alan S, Çakır U, Yıldız D, Atasay B, Arsan S, Atalay S. Influence of platelet count, platelet mass index, and platelet function on the spontaneous closure of ductus arteriosus in the prematurity. Pediatr Neonatol 2018; 59:53-57. [PMID: 28739214 DOI: 10.1016/j.pedneo.2017.01.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 12/27/2016] [Accepted: 01/23/2017] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND This study aims at evaluating the influence of platelet count, platelet mass index, and platelet function on the spontaneous closure of ductus arteriosus in prematurity. METHODS All preterm babies were divided into two groups, including Group 1 with "open PDA" and Group 2 with "closed PDA". The variables of platelet count, mean platelet volume, platelet mass index, and platelet function were analyzed and compared between two groups of patients to identify the factors that significantly influenced spontaneous closure of ductus arteriosus. RESULTS Twenty-four patients were in the "open PDA" group, whereas 36 patients were in the "closed PDA" group. Mean GA and BW were 27.6 ± 1.8 (23.1-30.4) and 28 ± 1.6 (23.4-30.6) weeks and 1009 ± 270 (585-1480) g and 1035 ± 298 (505-1500) g in "open PDA" and "closed PDA" groups, respectively (p > 0.05). The incidence of "Collagen-ADP > 130 s" was significantly higher in the "open PDA" group, and the levels of hemoglobin and hematocrit were significantly lower in the "open PDA" group (p < 0.05). Multivariate logistic regression analysis showed that respiratory distress syndrome (OR: 9, CI: 1.5-51.8) and collagen-ADP > 130 s (OR: 5.7 CI: 1.55-21.3) are two independent factors associated with ductal patency. CONCLUSION This is the first study in the English literature providing evidence of the influence of platelet dysfunction on the spontaneous closure of ductus arteriosus in prematurity. Longer collagen-ADP duration is identified as a risk factor of ductal closure.
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Affiliation(s)
- Dilek Kahvecioglu
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey.
| | - Omer Erdeve
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey
| | - Hasan Akduman
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey
| | - Tayfun Ucar
- Ankara University, School of Medicine, Department of Pediatrics, Division of Pediatric Cardiology, Ankara, Turkey
| | - Serdar Alan
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey
| | - Ufuk Çakır
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey
| | - Duran Yıldız
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey
| | - Begum Atasay
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey
| | - Saadet Arsan
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey
| | - Semra Atalay
- Ankara University, School of Medicine, Department of Pediatrics, Division of Pediatric Cardiology, Ankara, Turkey
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Sallmon H, Weber SC, Dirks J, Schiffer T, Klippstein T, Stein A, Felderhoff-Müser U, Metze B, Hansmann G, Bührer C, Cremer M, Koehne P. Association between Platelet Counts before and during Pharmacological Therapy for Patent Ductus Arteriosus and Treatment Failure in Preterm Infants. Front Pediatr 2018; 6:41. [PMID: 29564323 PMCID: PMC5845986 DOI: 10.3389/fped.2018.00041] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 02/12/2018] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND The role of platelets for mediating closure of the ductus arteriosus in human preterm infants is controversial. Especially, the effect of low platelet counts on pharmacological treatment failure is still unclear. METHODS In this retrospective study of 471 preterm infants [<1,500 g birth weight (BW)], who were treated for a patent ductus arteriosus (PDA) with indomethacin or ibuprofen, we investigated whether platelet counts before or during pharmacological treatment had an impact on the successful closure of a hemodynamically significant PDA. The effects of other factors, such as sepsis, preeclampsia, gestational age, BW, and gender, were also evaluated. RESULTS Platelet counts before initiation of pharmacological PDA treatment did not differ between infants with later treatment success or failure. However, we found significant associations between low platelet counts during pharmacological PDA therapy and treatment failure (p < 0.05). Receiver operating characteristic (ROC) curve analysis showed that platelet counts after the first, and before and after the second cyclooxygenase inhibitor (COXI) cycle were significantly associated with treatment failure (area under the curve of >0.6). However, ROC curve analysis did not reveal a specific platelet cutoff-value that could predict PDA treatment failure. Multivariate logistic regression analysis showed that lower platelet counts, a lower BW, and preeclampsia were independently associated with COXI treatment failure. CONCLUSION We provide further evidence for an association between low platelet counts during pharmacological therapy for symptomatic PDA and treatment failure, while platelet counts before initiation of therapy did not affect treatment outcome.
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Affiliation(s)
- Hannes Sallmon
- Department of Neonatology, Charité University Medical Center, Berlin, Germany
| | - Sven C Weber
- Department of Pediatrics, Neonatology and Pediatric Intensive Care Medicine, University of Greifswald, Greifswald, Germany
| | - Juliane Dirks
- Department of Neonatology, Charité University Medical Center, Berlin, Germany
| | - Tamara Schiffer
- Department of Neonatology, Charité University Medical Center, Berlin, Germany
| | - Tamara Klippstein
- Department of Neonatology, Charité University Medical Center, Berlin, Germany
| | - Anja Stein
- Division of Neonatology, Department of Pediatrics I, University Hospital Essen, Essen, Germany
| | - Ursula Felderhoff-Müser
- Division of Neonatology, Department of Pediatrics I, University Hospital Essen, Essen, Germany
| | - Boris Metze
- Department of Neonatology, Charité University Medical Center, Berlin, Germany
| | - Georg Hansmann
- Department of Pediatric Cardiology and Critical Care, Hannover Medical School, Hannover, Germany
| | - Christoph Bührer
- Department of Neonatology, Charité University Medical Center, Berlin, Germany
| | - Malte Cremer
- Department of Neonatology, Charité University Medical Center, Berlin, Germany
| | - Petra Koehne
- Department of Neonatology, Charité University Medical Center, Berlin, Germany
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Abstract
In many preterm infants, the ductus arteriosus remains patent beyond the first few days of life. This prolonged patency is associated with numerous adverse outcomes, but the extent to which these adverse outcomes are attributable to the hemodynamic consequences of ductal patency, if at all, has not been established. Different treatment strategies have failed to improve short-term outcomes, with a paucity of data on the correct diagnostic and pathophysiological assessment of the patent ductus arteriosus (PDA) in association with long-term outcomes. Echocardiography is the selected method of choice for detecting a PDA, assessing the impact on the preterm circulation and monitoring treatment response. PDA in a preterm infant can result in pulmonary overcirculation and systemic hypoperfusion, Therefore, echocardiographic assessment should include evaluation of PDA characteristics, indices of pulmonary overcirculation with left heart loading conditions, and indices of systemic hypoperfusion. In this review, we provide an evidence-based overview of the current and emerging ultrasound measurements available to identify and monitor a PDA in the preterm infant. We offer indications and limitations for using Neonatologist Performed Echocardiography to optimize the management of a neonate with a PDA.
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Repercusión hemodinámica en pacientes neonatos con conducto arterioso persistente: factores asociados. ARCHIVOS DE CARDIOLOGIA DE MEXICO 2017; 87:248-251. [DOI: 10.1016/j.acmx.2016.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Revised: 05/16/2016] [Accepted: 05/18/2016] [Indexed: 11/21/2022] Open
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Is there a relationship between platelet parameters and patency of ductus arteriosus in preterm infants? Blood Coagul Fibrinolysis 2017; 28:8-13. [PMID: 26825626 DOI: 10.1097/mbc.0000000000000520] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Postnatal closure of the ductus arteriosus is a complicated two-phase process involving functional and structural changes. So far, the precise mechanisms regulating this process are not fully understood. A growing body of evidence from recent studies suggests that platelets play a key role in inflammatory processes including ductal closure via interaction with endothelial cells. The aim of this study is to assess whether a relationship exists between the occurrence and/or closure of hemodynamically significant ductus arteriosus (HSDA) and platelet parameters (platelet count, circulating platelet mass, mean platelet volume, platelet distribution width) in preterm newborns. This single-center, retrospective study included 824 premature infants between 24 and 34 gestational weeks, evaluated by echocardiography at postnatal 72-96 h. Infants with and without HSDA (n = 208 vs. n = 616) were compared in terms of platelet parameters recorded within the first 3 days of life. Oral or intravenous ibuprofen was commenced for medical treatment, and echocardiography was repeated 24 h thereafter to determine ductal closure. No statistically significant difference could be demonstrated between the groups in terms of baseline platelet parameters. HSDA was independently associated with early-onset neonatal sepsis. Thrombocytopenia, low circulating platelet mass, high platelet distribution width, or high mean platelet volume could not be demonstrated as a risk factor for HSDA. None of the platelet parameters had an influence on ductal closure after medical treatment. Unlike most reports in the literature, presence of HSDA was not associated with any platelet parameter in our study. We could not demonstrate an association between any platelet parameter and either persistence or closure after medical treatment.
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Chorioamnionitis appears not to be a Risk Factor for Patent Ductus Arteriosus in Preterm Infants: A Systematic Review and Meta-Analysis. Sci Rep 2016; 6:37967. [PMID: 27892517 PMCID: PMC5125028 DOI: 10.1038/srep37967] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Accepted: 11/03/2016] [Indexed: 12/29/2022] Open
Abstract
The contribution of chorioamnionitis (CA) to mortality and morbidity in preterm infants is difficult to assess because observational studies frequently present significant differences in baseline characteristics of the infants exposed or non-exposed to CA. In an attempt to perform a thorough assessment of the possible association between CA and patent ductus arteriosus (PDA) in preterm infants, we conducted a meta-analysis in which adjusted odds ratios (ORs) were pooled and we analyzed the effects of potential confounders, such as gestational age (GA) or birth weight (BW). We identified 45 relevant studies (27186 patients, 7742 CA cases). Random effects meta-analysis of crude ORs showed a significant positive association between CA and PDA (OR 1.352, 95% CI 1.172 to 1.560). Adjusted ORs were reported in 11 studies (19577 infants). Meta-analysis of these studies showed a significant negative association between CA and PDA (OR 0.802, 95% CI 0.751 to 0.959). Meta-regression showed that the differences in GA or BW between the CA-exposed and non-exposed groups were significantly correlated with the effect size of the association between PDA and CA. In conclusion, our study confirms that confounders need to be taken into account when assessing the association between CA and clinical outcomes in preterm infants.
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Ognean ML, Boantă O, Kovacs S, Zgârcea C, Dumitra R, Olariu E, Andreicuţ D. Persistent Ductus Arteriosus in Critically Ill Preterm Infants. ACTA ACUST UNITED AC 2016; 2:175-184. [PMID: 29967857 DOI: 10.1515/jccm-2016-0026] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Accepted: 09/15/2016] [Indexed: 12/17/2022]
Abstract
Introduction Persistent ductus arteriosus (PDA) is found with increased incidence in preterm infants, significantly affecting neonatal morbidity and mortality rates. Aim To evaluate the association between the presence of PDA and the severity of clinical condition at birth in critically ill preterm infants, with gestational ages (GA) ≤ 32 weeks and severe respiratory distress. Methods All preterm infants with GA ≤ 32 weeks admitted to the neonatal intensive care unit (NICU) of the Clinical County Emergency Hospital, Sibiu between 1 January 2010 and 31 December 2015 were included in the study. These were categorized as Group 1 [Preterm infants with PDA; n=154] and Group 2 [Preterm infants without PDA; n=186]. Epidemiological and clinical data were collected in the National Registry for Respiratory Distress Syndrome for all children, and data related to prenatal period, clinical characteristics at birth i.e GA, weight, gender, Apgar scores, and clinical features such as resuscitation at birth, surfactant administration, need and duration of respiratory support, neonatal sepsis, complications associated with prematurity, and death, were analyzed. Results Group 1 infants had significantly lower GA and birth weights, were more often out born (p=0.049, HR 1.69), and had significantly lower Apgar scores at 1 and 10 minutes (p=0.022, p=0.000). They presented a significantly higher need for surfactant administration (42.9% vs 24.7%, p<0.0001) and respiratory support (96.8% vs 90.3%, HR 3.19, p=0.019 for need of CPAP and 22.1% vs 10.8%, HR 2.35, p=0.004 for mechanical ventilation). Duration of respiratory support was also significantly higher in the Group 1 (7.6%±7.5 vs. 5.1±3.8 days, p<0.0001 for CPAP and 20.1±22.5 vs. 12.0±15.7 days, p<0.0001 for mechanical ventilation). Conclusion In very preterm infants, PDA may be associated with a critical clinical condition leading to serious complications. The presence of PDA after the seventh day of life was associated with an increased need for respiratory support, both CPAP and mechanical ventilation, increased severity of the respiratory distress syndrome, requiring a longer duration of respiratory support, and increased the hospitalization length. In very preterm infants, PDA presence was also associated with a higher rate of severe complications and death, indicating the need for a careful and proper management of these critical cases in neonatal intensive care units.
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Affiliation(s)
| | - Oana Boantă
- Neonatology I, Clinical County Emergency Hospital, Sibiu, Romania
| | - Simona Kovacs
- Neonatology II-Premature Infants, Clinical County Emergency Hospital, Sibiu, Romania
| | - Corina Zgârcea
- Neonatology I, Clinical County Emergency Hospital, Sibiu, Romania
| | - Raluca Dumitra
- Neonatology I, Clinical County Emergency Hospital, Sibiu, Romania
| | - Ecaterina Olariu
- Neonatology I, Clinical County Emergency Hospital, Sibiu, Romania
| | - Doina Andreicuţ
- Neonatology II-Premature Infants, Clinical County Emergency Hospital, Sibiu, Romania
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Kulkarni VV, Dutta S, Sundaram V, Saini SS. Preterm Thrombocytopenia and Delay of Ductus Arteriosus Closure. Pediatrics 2016; 138:peds.2016-1627. [PMID: 27681010 DOI: 10.1542/peds.2016-1627] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/25/2016] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVES To evaluate whether preterm thrombocytopenia within 24 hours of birth is associated with delayed closure of patent ductus arteriosus (PDA) and higher proportion of hemodynamically significant PDA (Hs-PDA). METHODS Neonates (gestation 260/7-336/7 weeks, age <24 hours) with known platelet count and PDA on echocardiogram were prospectively enrolled. Asphyxia, congenital infections, structural heart disease, major malformations and clinical sepsis were exclusions. Subjects were recruited in groups A (n = 35), B (n = 18), and C (n = 17) [platelet counts >150,000, 100,000-150,000 and <100,000 per μL respectively] and underwent daily echocardiography until first closure of PDA, death, or day 10. RESULTS The primary outcome was time to first closure of PDA. Secondary outcomes included proportion with PDA at 72 hours and 7 days, Hs-PDA, and PDA needing treatment. In groups A, B, and C, median (first-third quartile) platelet counts (×100000/μL) were 2.28 (1.94-3.19), 1.25 (1.14-1.37), and 0.68 (0.54-0.83) and time to PDA closure was 2 (2-2), 2 (2-3), and 10 (6-10) days, respectively (log-rank test, P < .001). On Cox proportional hazard regression, platelet count (in multiples of 10 000 /μL) independently predicted time to PDA closure (adjusted hazard ratio: 1.045; 95% confidence interval: 1.019-1.07). On day 7, 47.1% neonates in group C had PDA and none in groups A and B (P < .001). CONCLUSIONS Thrombocytopenia within 24 hours of birth independently predicts delayed PDA closure and PDA on day 7 in preterm neonates.
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Affiliation(s)
- Vinay Vamadev Kulkarni
- Newborn Unit, Department of Pediatrics, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Sourabh Dutta
- Newborn Unit, Department of Pediatrics, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Venkataseshan Sundaram
- Newborn Unit, Department of Pediatrics, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Shiv Sajan Saini
- Newborn Unit, Department of Pediatrics, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
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Carlson NS. Current Resources for Evidence-Based Practice, September/October 2016. J Obstet Gynecol Neonatal Nurs 2016; 45:e57-66. [DOI: 10.1016/j.jogn.2016.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Meinarde L, Hillman M, Rizzotti A, Basquiera AL, Tabares A, Cuestas E. C-reactive protein, platelets, and patent ductus arteriosus. Platelets 2016; 27:821-823. [DOI: 10.1080/09537104.2016.1203398] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Leonardo Meinarde
- Department of Pediatrics and Neonatology, Instituto Universitario de Ciencias Biomédicas de Córdoba (IUCBC), Córdoba, Argentina
| | - Macarena Hillman
- Department of Pediatrics and Neonatology, Instituto Universitario de Ciencias Biomédicas de Córdoba (IUCBC), Córdoba, Argentina
| | - Alina Rizzotti
- Department of Pediatrics and Neonatology, Instituto Universitario de Ciencias Biomédicas de Córdoba (IUCBC), Córdoba, Argentina
| | - Ana Lisa Basquiera
- Hematology and Oncology, Instituto Universitario de Ciencias Biomédicas de Córdoba (IUCBC), Córdoba, Argentina
| | - Aldo Tabares
- Vascular Medicine and Thrombosis, Hospital Privado, Instituto Universitario de Ciencias Biomédicas de Córdoba (IUCBC), Córdoba, Argentina
| | - Eduardo Cuestas
- Department of Pediatrics and Neonatology, Instituto Universitario de Ciencias Biomédicas de Córdoba (IUCBC), Córdoba, Argentina
- Instituto de Investigaciones en Ciencias de la Salud, Universidad Nacional de Córdoba, Consejo Nacional de Investigaciones Científicas y Técnicas (INICSA-UNC-CONICET), Córdoba, Argentina
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Mitra S, Chan AK, Paes BA. The association of platelets with failed patent ductus arteriosus closure after a primary course of indomethacin or ibuprofen: a systematic review and meta-analysis. J Matern Fetal Neonatal Med 2016; 30:127-133. [DOI: 10.3109/14767058.2016.1163684] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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