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Nagafuji M, Fujiyama S, Doki K, Ishii R, Okada Y, Hanaki M, Nakamura Y, Takeuchi S, Hitaka D, Kanai Y, Saito M, Miyazono Y, Homma M, Takada H. Assessment of Blood Prostaglandin E2 Metabolite Levels among Infants Born Preterm with Patent Ductus Arteriosus: A Prospective Study. J Pediatr 2024:114285. [PMID: 39233116 DOI: 10.1016/j.jpeds.2024.114285] [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: 07/25/2024] [Revised: 08/22/2024] [Accepted: 08/27/2024] [Indexed: 09/06/2024]
Abstract
OBJECTIVE To assess the role of prostaglandin E2 (PGE2) by measuring blood prostaglandin E2 metabolite (PGEM) concentrations in preterm infants with patent ductus arteriosus (PDA). STUDY DESIGN A prospective observational study of preterm infants born before 32 weeks of gestational age (GA) was performed in a single tertiary hospital in Japan. Blood samples were collected to measure serum concentrations of PGEM, ibuprofen (IBU), and cytokines. Multiple regression analyses assessed associations between blood PGEM levels and perinatal factors, development of hemodynamically significant PDA (hsPDA), and IBU treatment response of hsPDA. RESULTS Seventy-nine infants (median GA 28 weeks) were enrolled in this study. Forty-seven received IBU for hsPDA treatment 1 d after birth in median. PDA closure occurred in 25 infants after a single IBU treatment. Serum PGEM concentrations were associated with histological chorioamnionitis (p <0.01), but not with GA, respiratory distress syndrome, or serum IL-6 concentrations. Serum PGEM concentrations decreased after initial IBU treatment; however, they were not associated with hsPDA development (p = 0.39). IBU concentrations correlated with IBU treatment response (aOR 1.29, p <0.01). However, pre-IBU serum PGEM levels and PGEM reduction ratio did not (p = 0.13, 0.15, respectively). CONCLUSIONS Serum PGEM concentrations in preterm infants were associated with maternal histological chorioamnionitis, but not hsPDA development. IBU treatment response was associated with higher blood IBU concentrations, but not PGEM concentrations.
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Affiliation(s)
- Motomichi Nagafuji
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Ibaraki, Japan
| | - Satoshi Fujiyama
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Ibaraki, Japan; Department of Child Health, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan; Department of Pediatrics, Ibaraki Prefectural Central Hospital, Kasama, Ibaraki, Japan.
| | - Kosuke Doki
- Department of Pharmaceutical Sciences, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Ryota Ishii
- Department of Biostatistics, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Yuki Okada
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Ibaraki, Japan
| | - Mai Hanaki
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Ibaraki, Japan
| | - Yuri Nakamura
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Ibaraki, Japan
| | - Shusuke Takeuchi
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Ibaraki, Japan
| | - Daisuke Hitaka
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Ibaraki, Japan
| | - Yu Kanai
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Ibaraki, Japan; Department of Child Health, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Makoto Saito
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Ibaraki, Japan; Department of Child Health, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan; Department of Pediatrics, Ibaraki Prefectural Central Hospital, Kasama, Ibaraki, Japan
| | - Yayoi Miyazono
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Ibaraki, Japan; Department of Child Health, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Masato Homma
- Department of Pharmaceutical Sciences, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Hidetoshi Takada
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Ibaraki, Japan; Department of Child Health, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
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Herrera CL, Kadari PS, Pruszynski JE, Mir I. Impact of maternal infection on outcomes in extremely preterm infants. Pediatr Res 2024; 95:573-578. [PMID: 37985865 PMCID: PMC10872487 DOI: 10.1038/s41390-023-02898-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 09/22/2023] [Accepted: 11/05/2023] [Indexed: 11/22/2023]
Abstract
BACKGROUND Infants born less than 29 weeks, or extremely preterm (EPT), experience increased morbidity and mortality. We hypothesized that exposure to maternal infection might contribute to neurodevelopmental impairment (NDI) or death at 2 years of age. METHODS We conducted a retrospective cohort study of EPT infants from January 2010 to December 2020. Maternal data extracted included maternal infections, classified as extrauterine or intrauterine. Placental pathologic and infant data were extracted. The primary outcome was NDI or death at 2 years of age. RESULTS 548 EPT infants were born to 496 pregnant people: 379 (69%) were not exposed to any documented maternal infection prenatally, 124 (23%) to extrauterine infection, and 45 (8%) to intrauterine infection. Neither diagnosis of maternal extrauterine nor intrauterine infection was associated with NDI or death at 2 years of age (p > 0.05). Acute histologic chorioamnionitis was associated with NDI or death at 2 years of age (p = 0.033). CONCLUSIONS Maternal infection was not associated with NDI or death at 2 years of age in EPT infants. However, acute histologic chorioamnionitis was associated with this outcome. Further work should investigate the differential influence of infection and immune response with this pathology as relates to outcomes in EPT infants. IMPACT Maternal infection was not associated with neurodevelopmental impairment (NDI) or death at 2 years of age in extremely preterm (EPT) infants. This is reassuring support that mechanisms at the maternal-fetal interface largely protect the EPT infant. However, pathologic findings of acute histologic chorioamnionitis were associated with NDI and death at 2 years of age. Further work should investigate the differential influence of infection and immune response with acute histologic chorioamnionitis on pathology as relates to outcomes in EPT infants.
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Affiliation(s)
- Christina L Herrera
- Department of Obstetrics & Gynecology, University of Texas Southwestern Medical Center, Dallas, TX, USA.
- Parkland Health, Dallas, TX, USA.
| | | | - Jessica E Pruszynski
- Department of Obstetrics & Gynecology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Imran Mir
- Parkland Health, Dallas, TX, USA
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, USA
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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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Villamor E, Borges-Luján M, González-Luis G. Association of patent ductus arteriosus with fetal factors and endotypes of prematurity. Semin Perinatol 2023; 47:151717. [PMID: 36914506 DOI: 10.1016/j.semperi.2023.151717] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
During fetal life, the ductus arteriosus (DA) acquires the mechanisms for its postnatal closure following a thorough developmental program. This program can be interrupted by preterm birth and is also susceptible to alteration during fetal life by numerous physiological and pathological stimuli. In this review, we aim to summarize the evidence on how physiological and pathological factors affect DA development, eventually leading to patent DA (PDA). Specifically, we reviewed the associations of sex, race, and pathophysiological pathways leading to very preterm birth (endotypes) with PDA incidence and pharmacological closure. Summary of evidence suggests that there are no male-female differences in the incidence of PDA among very preterm infants. In contrast, risk of developing PDA appears to be higher in infants exposed to chorioamnionitis or who are small for gestational age. Finally, hypertensive disorders of pregnancy may be associated with a better response to pharmacological treatment of PDA. All of this evidence comes from observational studies and therefore associations do not imply causation. The current trend for many neonatologists is to wait for the natural evolution of preterm PDA. Continued research is needed to identify which fetal and perinatal factors modulate the eventual late closure of PDA in very and extremely preterm infants.
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Affiliation(s)
- Eduardo Villamor
- Department of Pediatrics, Maastricht University Medical Centre (MUMC+), School for Oncology and Reproduction (GROW), University of Maastricht, P. Debyelaan 25. P.O. Box 5800, Maastricht, AZ 6202, the Netherlands.
| | - Moreyba Borges-Luján
- Department of Neonatology, Complejo Hospitalario Universitario Insular Materno-Infantil (CHUIMI) de Canarias, Las Palmas de Gran Canaria, Spain
| | - Gema González-Luis
- Department of Neonatology, Complejo Hospitalario Universitario Insular Materno-Infantil (CHUIMI) de Canarias, Las Palmas de Gran Canaria, Spain
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The Association of Patent Ductus Arteriosus with Inflammation: A Narrative Review of the Role of Inflammatory Biomarkers and Treatment Strategy in Premature Infants. Int J Mol Sci 2022; 23:ijms232213877. [PMID: 36430355 PMCID: PMC9699120 DOI: 10.3390/ijms232213877] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/27/2022] [Accepted: 11/07/2022] [Indexed: 11/12/2022] Open
Abstract
Patent ductus arteriosus (PDA) is a common cardiovascular complication that complicates clinical care in the intensive care of premature infants. Prenatal and postnatal infections and the inflammation process can contribute to PDA, and intrauterine inflammation is a known risk factor of PDA. A variety of inflammatory biomarkers have been reported to be associated with PDA. Chorioamnionitis induces the fetal inflammatory process via several cytokines that have been reported to be associated with the presence of PDA and may have a role in the vascular remodeling process or vessel dilation of the ductus. On the other hand, anti-inflammatory agents, such as antenatal steroids, decrease PDA incidence and severity in patients born to those with chorioamnionitis. Proinflammatory cytokines, which are expressed more significantly in preterm neonates and chorioamnionitis, are associated with the presence of PDA. In this review, we focus on the pathogenesis of PDA in preterm infants and the role of biomarkers associated with the perinatal inflammatory process.
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Venkatesh KK, Leviton A, Fichorova RN, Joseph RM, Douglass LM, Frazier JA, Kuban K, Santos HP, Fry RC, O'Shea TM. Prenatal tobacco smoke exposure and neurological impairment at 10 years of age among children born extremely preterm: a prospective cohort. BJOG 2021; 128:1586-1597. [PMID: 33682301 DOI: 10.1111/1471-0528.16690] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/03/2021] [Indexed: 12/25/2022]
Abstract
OBJECTIVE To determine the association between prenatal tobacco smoke exposure and neurological impairment at 10 years of age among children born extremely preterm (<28 weeks of gestation). DESIGN The Extremely Low Gestational Age Newborn (ELGAN) Study, a prospective cohort. SETTING Ten-year follow-up of extremely preterm infants born at 14 US hospitals between 2002 and 2004. METHODS Prenatal tobacco smoke exposure was defined as a mother's report at enrolment of active (i.e. maternal) and passive smoking during pregnancy. Poisson regression with generalized estimating equations was used. Models adjusted for mother's age, race/ethnicity, education, insurance, pre-pregnancy body mass index, US region, multiple gestation and infant's sex; and in sensitivity analysis, gestational age at delivery and clinical subtype of preterm birth, given their classification as intermediate and non-confounding variables. MAIN OUTCOMES Neurological impairment at 10 years, epilepsy, cerebral palsy and cognitive impairment. RESULTS Of 1200 ELGAN study survivors, 856 were assessed at 10 years of age with neurological outcomes, of whom 14% (118/856) had active tobacco exposure during pregnancy and 24% (207/852) had passive tobacco exposure. Compared with children who were not exposed prenatally to tobacco, children exposed to active tobacco use during pregnancy had a higher risk of epilepsy (14% versus 5%; adjusted relative risk: 1.68, 95% CI 1.45-1.92). This risk remained after adjustment for gestational age at delivery and clinical subtype of preterm birth. Prenatal tobacco smoke exposure was not associated with other assessed neurological outcomes, including cerebral palsy and multiple measures of cognitive impairment. CONCLUSIONS Among children born extremely preterm, prenatal active tobacco smoke exposure was associated with an increased risk of epilepsy at 10 years of life. TWEETABLE ABSTRACT Among infants born before 28 weeks of gestation, prenatal active tobacco smoke exposure was associated with an increased risk of epilepsy at 10 years of life.
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Affiliation(s)
- K K Venkatesh
- Department of Obstetrics and Gynecology, The Ohio State University, Columbus, OH, USA
| | - A Leviton
- Department of Neurology, Harvard Medical School, Boston Children's Hospital, Boston, MA, USA
| | - R N Fichorova
- Department of Obstetrics, Gynecology, and Reproductive Biology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - R M Joseph
- Department of Anatomy & Neurobiology, Boston University, Boston, MA, USA
| | - L M Douglass
- Department of Pediatrics, Boston University, Boston, MA, USA
| | - J A Frazier
- Department of Psychiatry, University of Massachusetts Medical School, Worchester, MA, USA
| | - Kck Kuban
- Department of Pediatrics, Boston University, Boston, MA, USA
| | - H P Santos
- Biovehavioral Laboratory, School of Nursing, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - R C Fry
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, Chapel Hill, NC, USA
| | - T M O'Shea
- Department of Pediatrics, University of North Carolina, Chapel Hill, NC, USA
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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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