Aerosol therapy in relation to retinopathy of prematurity in mechanically ventilated preterm infants

Mei Chin Yang, Hsiu Feng Hsiao, Hsiu Li Tseng, Ya Wen Chiu, Yi Hao Weng

Research output: Contribution to journalArticle

Abstract

Background: Aerosol administration is increasingly being used as a therapeutic intervention for mechanically ventilated preterm infants. However, the effects of inhalation therapy on retinopathy of prematurity (ROP) have not yet been explored. Methods: A retrospective cohort study was conducted in a tertiary level neonatal intensive care unit (NICU) from 2011 to 2013. All preterm infants with a gestational age (GA) of 24~29 weeks receiving invasive intubation for more than 1 week in the NICU were included. Infants with severe congenital anomalies were excluded. ROP was defined as stage II or greater according to medical records by ophthalmologists. A multivariate logistic regression model was used to estimate the risk of ROP in relation to inhalation therapy after adjusting for confounders. Results: In total, 205 infants were enrolled in this study, including 154 with inhalation therapy and 51 without inhalation therapy. Univariate analyses showed an association of inhalation with the following characteristics: Sex (p = 0.047), GA (p = 0.029), sepsis (p = 0.047), bronchopulmonary dysplasia (BPD) (p < 0.001), and ROP (p = 0.001). Furthermore, logistic regression analysis indicated that inhalation therapy was an independent risk factor for ROP (odds ratio (OR) = 2.639; 95% confidence interval (CI) = 1.050~6.615). In addition, infants with a GA of 24~25 weeks (OR = 6.063; 95% CI = 2.482~14.81) and 26~27 weeks (OR = 3.825; 95% CI = 1.694~8.638) were at higher risk of ROP than those with a GA of 28~29 weeks. Other factors-including sex, sepsis, BPD, and delivery mode-did not carry significant risk. Conclusion: Aerosol therapy with pure oxygen delivery is associated with ROP. Clinicians should exercise great caution when conducting aerosol therapy with excess oxygen in mechanically ventilated preterm infants.

Original languageEnglish
Article number145
JournalBMC Pulmonary Medicine
Volume19
Issue number1
DOIs
Publication statusPublished - Aug 13 2019

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Retinopathy of Prematurity
Aerosols
Premature Infants
Respiratory Therapy
Gestational Age
Bronchopulmonary Dysplasia
Logistic Models
Neonatal Intensive Care Units
Odds Ratio
Confidence Intervals
Therapeutics
Sepsis
Oxygen
Sex Factors
Intubation
Sex Characteristics
Inhalation
Medical Records
Cohort Studies
Retrospective Studies

Keywords

  • Aerosol therapy
  • GA
  • HFV
  • INO
  • ROP

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

Cite this

Aerosol therapy in relation to retinopathy of prematurity in mechanically ventilated preterm infants. / Yang, Mei Chin; Hsiao, Hsiu Feng; Tseng, Hsiu Li; Chiu, Ya Wen; Weng, Yi Hao.

In: BMC Pulmonary Medicine, Vol. 19, No. 1, 145, 13.08.2019.

Research output: Contribution to journalArticle

Yang, Mei Chin ; Hsiao, Hsiu Feng ; Tseng, Hsiu Li ; Chiu, Ya Wen ; Weng, Yi Hao. / Aerosol therapy in relation to retinopathy of prematurity in mechanically ventilated preterm infants. In: BMC Pulmonary Medicine. 2019 ; Vol. 19, No. 1.
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abstract = "Background: Aerosol administration is increasingly being used as a therapeutic intervention for mechanically ventilated preterm infants. However, the effects of inhalation therapy on retinopathy of prematurity (ROP) have not yet been explored. Methods: A retrospective cohort study was conducted in a tertiary level neonatal intensive care unit (NICU) from 2011 to 2013. All preterm infants with a gestational age (GA) of 24~29 weeks receiving invasive intubation for more than 1 week in the NICU were included. Infants with severe congenital anomalies were excluded. ROP was defined as stage II or greater according to medical records by ophthalmologists. A multivariate logistic regression model was used to estimate the risk of ROP in relation to inhalation therapy after adjusting for confounders. Results: In total, 205 infants were enrolled in this study, including 154 with inhalation therapy and 51 without inhalation therapy. Univariate analyses showed an association of inhalation with the following characteristics: Sex (p = 0.047), GA (p = 0.029), sepsis (p = 0.047), bronchopulmonary dysplasia (BPD) (p < 0.001), and ROP (p = 0.001). Furthermore, logistic regression analysis indicated that inhalation therapy was an independent risk factor for ROP (odds ratio (OR) = 2.639; 95{\%} confidence interval (CI) = 1.050~6.615). In addition, infants with a GA of 24~25 weeks (OR = 6.063; 95{\%} CI = 2.482~14.81) and 26~27 weeks (OR = 3.825; 95{\%} CI = 1.694~8.638) were at higher risk of ROP than those with a GA of 28~29 weeks. Other factors-including sex, sepsis, BPD, and delivery mode-did not carry significant risk. Conclusion: Aerosol therapy with pure oxygen delivery is associated with ROP. Clinicians should exercise great caution when conducting aerosol therapy with excess oxygen in mechanically ventilated preterm infants.",
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AU - Chiu, Ya Wen

AU - Weng, Yi Hao

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AB - Background: Aerosol administration is increasingly being used as a therapeutic intervention for mechanically ventilated preterm infants. However, the effects of inhalation therapy on retinopathy of prematurity (ROP) have not yet been explored. Methods: A retrospective cohort study was conducted in a tertiary level neonatal intensive care unit (NICU) from 2011 to 2013. All preterm infants with a gestational age (GA) of 24~29 weeks receiving invasive intubation for more than 1 week in the NICU were included. Infants with severe congenital anomalies were excluded. ROP was defined as stage II or greater according to medical records by ophthalmologists. A multivariate logistic regression model was used to estimate the risk of ROP in relation to inhalation therapy after adjusting for confounders. Results: In total, 205 infants were enrolled in this study, including 154 with inhalation therapy and 51 without inhalation therapy. Univariate analyses showed an association of inhalation with the following characteristics: Sex (p = 0.047), GA (p = 0.029), sepsis (p = 0.047), bronchopulmonary dysplasia (BPD) (p < 0.001), and ROP (p = 0.001). Furthermore, logistic regression analysis indicated that inhalation therapy was an independent risk factor for ROP (odds ratio (OR) = 2.639; 95% confidence interval (CI) = 1.050~6.615). In addition, infants with a GA of 24~25 weeks (OR = 6.063; 95% CI = 2.482~14.81) and 26~27 weeks (OR = 3.825; 95% CI = 1.694~8.638) were at higher risk of ROP than those with a GA of 28~29 weeks. Other factors-including sex, sepsis, BPD, and delivery mode-did not carry significant risk. Conclusion: Aerosol therapy with pure oxygen delivery is associated with ROP. Clinicians should exercise great caution when conducting aerosol therapy with excess oxygen in mechanically ventilated preterm infants.

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