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Long use of continuous positive airway pressure protects against the development of treatment-requiring retinopathy of prematurity.

ABSTRACT: Although preterm infant mortality is low, the proportion of patients with treatment-requiring retinopathy of prematurity (TR-ROP) is high in Japan. Various multicenter studies have reported the risk factors for TR-ROP; however, no large-scale studies have been conducted in Japan. We retrospectively analyzed 13,645 infants born at < 28 weeks' gestation (January 1, 2009-December 31, 2018), and registered in the Neonatal Research Network of Japan database. TR-ROP was defined as ROP requiring retinal laser photocoagulation and/or intravitreal anti-vasoendothelial growth factor drugs. Multivariable logistic regression analysis was performed to identify factors associated with TR-ROP development. The median gestational age of enrolled infants was 26 weeks (interquartile range [IQR], 24-27 weeks), median birth weight was 760 g (IQR, 620-918 g). Proportion of patients with TR-ROP was 30.3%. TR-ROP was significantly associated with birth at < 26 weeks' gestational age (adjusted odds ratio [aOR] 1.54), blood transfusion (aOR 1.49), invasive ventilation ≥ 28 days (aOR 1.41), sepsis (aOR 1.29), birth weight < 750 g (aOR 1.28), intraventricular hemorrhage (aOR 1.33), delayed achievement of full enteral feeding > 14 days (aOR 1.28), and continuous positive airway pressure (CPAP) therapy ≥ 28 days (aOR 0.79). Supplemental oxygen ≥ 28 days was not associated with TR-ROP development. Lower gestational age at birth and birth weight, blood transfusion, prolonged invasive ventilation, sepsis, intraventricular hemorrhage, and delayed achievement of full enteral feeding were risk factors for TR-ROP, whereas CPAP use was protective against TR-ROP.

SUBMITTER: Suga S

PROVIDER: S-EPMC9098540 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature

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Long use of continuous positive airway pressure protects against the development of treatment-requiring retinopathy of prematurity.

Suga Shutaro S Kyono Yuki Y Kido Takumi T Nakasone Ruka R Abe Shinya S Ashina Mariko M Nozu Kandai K Fujioka Kazumichi K

Scientific reports 20220512 1

Although preterm infant mortality is low, the proportion of patients with treatment-requiring retinopathy of prematurity (TR-ROP) is high in Japan. Various multicenter studies have reported the risk factors for TR-ROP; however, no large-scale studies have been conducted in Japan. We retrospectively analyzed 13,645 infants born at < 28 weeks' gestation (January 1, 2009-December 31, 2018), and registered in the Neonatal Research Network of Japan database. TR-ROP was defined as ROP requiring retina ...[more]

PMID: 35551213

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Project description:BackgroundComplement activation contributes to lung dysfunction in coronavirus disease 2019 (COVID-19). We assessed whether C5 blockade with eculizumab could improve disease outcome.MethodsIn this single-centre, academic, unblinded study two 900 mg eculizumab doses were added-on standard therapy in ten COVID-19 patients admitted from February 2020 to April 2020 and receiving Continuous-Positive-Airway-Pressure (CPAP) ventilator support from ≤24 hours. We compared their outcomes with those of 65 contemporary similar controls. Primary outcome was respiratory rate at one week of ventilator support. Secondary outcomes included the combined endpoint of mortality and discharge with chronic complications.ResultsBaseline characteristics of eculizumab-treated patients and controls were similar. At baseline, sC5b-9 levels, ex vivo C5b-9 and thrombi deposition were increased. Ex vivo tests normalised in eculizumab-treated patients, but not in controls. In eculizumab-treated patients respiratory rate decreased from 26.8±7.3 breaths/min at baseline to 20.3±3.8 and 18.0±4.8 breaths/min at one and two weeks, respectively (p<0.05 for both), but did not change in controls. Between-group changes differed significantly at both time-points (p<0.01). Changes in respiratory rate correlated with concomitant changes in ex vivo C5b-9 deposits at one (rs = 0.706, p = 0.010) and two (rs = 0.751, p = 0.032) weeks. Over a median (IQR) period of 47.0 (14.0-121.0) days, four eculizumab-treated patients died or had chronic complications versus 52 controls [HRCrude (95% CI): 0.26 (0.09-0.72), p = 0.010]. Between-group difference was significant even after adjustment for age, sex and baseline serum creatinine [HRAdjusted (95% CI): 0.30 (0.10-0.84), p = 0.023]. Six patients and 13 controls were discharged without complications [HRCrude (95% CI): 2.88 (1.08-7.70), p = 0.035]. Eculizumab was tolerated well. The main study limitations were the relatively small sample size and the non-randomised design.ConclusionsIn patients with severe COVID-19, eculizumab safely improved respiratory dysfunction and decreased the combined endpoint of mortality and discharge with chronic complications. Findings need confirmation in randomised controlled trials.

Dataset Information

Long use of continuous positive airway pressure protects against the development of treatment-requiring retinopathy of prematurity.

Publications

Long use of continuous positive airway pressure protects against the development of treatment-requiring retinopathy of prematurity.

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