Differences in clinical characteristics of early- and late-onset neonatal sepsis caused by Klebsiella pneumoniae

To identify differences in the clinical characteristics of early- and late-onset sepsis (EOS and LOS) caused by Klebsiella pneumoniae ( K. pneumoniae) and to describe the risk factors for multidrug-resistant K. pneumoniae (MDR-KP) infection. Infants with K. pneumoniae-induced sepsis who were admitted to a children’s Hospital between Jan 2000 and Dec 2019 were included. All infants were divided into EOS and LOS groups, as well as MDR-KP and non-MDR-KP groups. Demographics, clinical characteristics, and risk factors were compared between the two groups. One hundred eighty infants (66 with EOS and 114 with LOS) were further analyzed, accounting for 36.8% of sepsis cases caused by MDR-KP. The frequency of respiratory failure, bronchopulmonary dysplasia, and intraventricular hemorrhage were more common in the LOS group and a higher rate of acute respiratory distress syndrome was more common in infants in the EOS group ( P < 0.05). K. pneumoniae showed a low sensitivity to penicillin, beta-lactams and cephalosporins, and it showed a high sensitivity to levofloxacin, ciprofloxacin, and amikacin. Prematurity, low birth weight, longer antibiotic exposure time, long duration of peripheral catheter insertion, long mechanical ventilation time, and long parenteral nutrition time were associated with an increased rate of MDR-KP infection by univariate analysis ( P < 0.05). The regression analysis identified a long antibiotic exposure time (OR = 1.37, 95% CI: 1.01–1.89) and long parenteral nutrition time (OR = 1.39, 95% CI: 1.01–1.89) as independent risk factors for a MDR-KP infection, and a greater gestational age and birth weight were associated with a lower risk of MDR-KP infection (OR = 0.57, 95% CI: 0.40–0.79). LOS caused by K. pneumoniae may lead to a higher frequency of complications. The risk factors for MDR-KP infection were longer duration of antibiotic exposure and parenteral nutrition. A greater gestational age and larger birth weight may decrease the risk of MDR-KP infection.

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Risk Factors of Metabolic Bone Disease in Bronchopulmonary Dysplasia Premature Infants With Gestational Age Less Than 32 Weeks

10.21203/rs.3.rs-89304/v1 ◽

2020 ◽

Author(s):

Wenwen Chen ◽

Zhenghai Zhang ◽

Shuzhen Dai ◽

Xu Liping

Keyword(s):

Risk Factors ◽

Birth Weight ◽

Fetal Growth ◽

Gestational Age ◽

Bone Disease ◽

Fetal Growth Restriction ◽

Late Onset ◽

Significant Risk ◽

Extremely Low Birth Weight ◽

Late Onset Sepsis

Abstract BackgroundMetabolic bone disease (MBD) is a complication of multifactorial aetiology in preterm infants. Several risk factors have been identified in general. Bronchopulmonary Dysplasia (BPD) infants present an increased incidence of MBD, but it is unknown which factors contribute to this. The aim of this study was to determine the risk factors for developing MBD in BPD infants.MethodsA retrospective review of the medical records of BPD infants admitted to the Neonatal Intensive Care Unit (NICU) at Zhangzhou Hospital between Jun 2016 and May 2020. BPD infants with MBD were identified, two contemporaneous without MBD matched by gestational age and gender were randomly selected as control infants for each case of MBD. The association between putative risk factors and MBD was estimated with ORs and 95% CIs. A P-value threshold ≤0.2 was used in univariate analysis for inclusion into a multivariate (adjusted) model with a P-value of < 0.05 as statistically significant.ResultsA total of 156 BPD infants were enrolled with 52 cases of MBD and 104 controls. Fetal growth restriction (OR 5.60, 95% CI, 1.77–17.72), extremely low birth weight (OR 3.70, 95% CI, 1.35–10.10), feeding volume ＜80 mL/kg/day at the end of the 4th week after birth (OR 12.21, 95% CI, 3.89–38.33), cholestasis (OR 4.29, 95% CI, 1.65–11.15), and late onset sepsis (OR 3.79, 95% CI, 1.12–12.77) were found to be statistically significant risk factors for MBD in BPD infants.ConclusionIn gestational age homogeneous BPD infants, fetal growth restriction, extremely low birth weight, feeding volume＜80 mL/kg/day at the end of the 4th week after birth and late onset sepsis are significant risk factors for MBD. These findings provide potential predictive factors for MBD in BPD infants but still warrant prospective validation.

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A Standardized Implementation of Multicenter Quality Improvement Program of Very Low Birth Weight Newborns Could Significantly Reduce Admission Hypothermia and Improve Outcomes Within a Certain Region in China

10.21203/rs.3.rs-962766/v1 ◽

2021 ◽

Author(s):

Shu-yu Bi ◽

Yong-hui Yu ◽

Cong Li ◽

Ping Xu ◽

Hai-yan Xu ◽

...

Keyword(s):

Quality Improvement ◽

Birth Weight ◽

Clinical Data ◽

Gestational Age ◽

Clinical Characteristics ◽

Very Low Birth Weight ◽

Late Onset ◽

Improvement Program ◽

Two Phases ◽

The Impact

Abstract Background: Admission hypothermia (AH, <36.5℃) remains a major challenge for global neonate survival, especially in China. Due to high incidence of reginal AH, we developed a prospective multicenter quality improvement (QI) initiative to reduce regional AH and evaluate the impact on outcome among VLBW neonates.Methods: The study used sequential Plan - Do - Study - Act (PDSA) approach. Clinical data were collected prospectively with 5 NICUs from Sino-Northern Neonatal Network (SNN) in China. Bundle come into practice since January 1, 2019. The clinical data in pre-QI phase (January 1, 2018– December 31, 2018) were compared with post-QI phase (January 1, 2019–December 31, 2020). Clinical characteristics and outcomes data were analysed.Results: A total of 750 in-born VLBW infants were enrolled in the study, 270 in pre-QI period and 480 in post- QI period, respectively. There had no significant differences in clinical characteristics in two phases. Compared with pre-QI period, the percentage of AH decreased in the QI period (95.9 %vs 71.3%, P < 0.01). Admission mod-severe hypothermia (AMSH) was improved significantly, reduced by 38.5% after QI (68.5 %vs 30%, P < 0.01). Average admission temperature improved after QI [36.0 ˚C（35.8˚C，36.5˚C）vs 35.5 ˚C（35.2 ˚C，36.0 ˚C）, P < 0.01 ]. No significant increase in AH rate and thermal burns (0.4%VS 0%). Risks of mortality and late-onset neonatal sepsis (LOS) were significantly lower in post-QI period as compared to pre-QI period (aRR 0.19, 95% CI 0.09–0.39; aRR 0.55, 95% CI 0.41–0.80) whether adjusting for birth weight (BW), gestational age (GA)，small for gestational age (SGA), Apgar score at 5 min < 7.Conclusion：Implementation of multicenter thermoregulatory QI help in significant reduction of AH and AMSH of VLBW neonates within a certain area, which in turn can help to improve reginal neonatal outcomes. We gained a lot from QI, learned and explored a suitable method to continuous QI, this may provide reference for similar developing countries.

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Risk Factors for Mortality in Neonates with Birth Weight <1500 gm

BIRDEM Medical Journal ◽

10.3329/birdem.v2i1.12356 ◽

2012 ◽

Vol 2 (1) ◽

pp. 19-22

Author(s):

Md Abdul Baki ◽

Afroza Haque ◽

Fauzia Mohsin ◽

Jebun Nahar ◽

Shahida Akhter ◽

...

Keyword(s):

Risk Factors ◽

Birth Weight ◽

Gestational Age ◽

Univariate Analysis ◽

Significant Risk ◽

Preterm Neonates ◽

Hospital Death ◽

Study Population ◽

Very High ◽

Prevention Of Prematurity

Background and objective: Neonates with birth weight <1500 gm constitute approximately 4-7% of all live births. Mortality in this group is very high, contributing to as much as 30% of early neonatal death. This study was done to evaluate the morbidities associated with preterm neonates with birth weight < 1500 gm and possible factors determining the death of these babies. Methods: This study was done at Special Care Baby Unit (SCABU), BIRDEM Hospital from January to October 2010. The medical records of neonates with birth weight <1500 gm admitted in SCABU during the study period were retrospectively reviewed. The outcome measure was in-hospital death. Univariate analysis was done to determine the risk factors of mortality. Results: Total 64 babies with birth weight <1500 gm were admitted during this study period. Mean gestational age was 30.76 (± 2.97) weeks, mean birth weight was 1182 (±283) gm. Jaundice (59.4%), Thrombocytopenia (57.8%), apnoea (53.15), sepsis (45.3%) feeding intolerance (43.8%), and RDS (23.4%) were common co-morbidities in these neonates. Among 64 babies more than one-third died (36%). Risk factors for mortality were gestational age less than 30 wks (OR: 7.73; 95% CI: 2.43-24.53), weight <1000 gm (OR: 4.93; 95% CI: 1.28-18.87), RDS (OR: 13.81; 95% CI: 13.81- 57.86) and baby who required mechanical ventilation (OR: 61.66; 95% CI: 12.54- 303.22). Conclusion: Extreme low birth weight (birth weight <1000 gm), prematurity (gestational age <30 wks) and RDS were the significant risk factors for mortality in this study population. Prevention of prematurity and appropriate management of RDS may reduce the mortality of these neonates. DOI: http://dx.doi.org/10.3329/birdem.v2i1.12356 Birdem Med J 2012; 2(1) 19-22

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The Incidence of Anal Sphincter Ruptures and Risk Factors

Indonesian Journal of Obstetrics and Gynecology ◽

10.32771/inajog.v4i1.69 ◽

2016 ◽

pp. 31-36

Author(s):

Budi I Santoso ◽

Denny Khusen

Keyword(s):

Risk Factors ◽

Birth Weight ◽

Vaginal Delivery ◽

Anal Sphincter ◽

Gestational Age ◽

Univariate Analysis ◽

Forceps Delivery ◽

Fourth Degree ◽

Control Subjects ◽

Vaginal Deliveries

Objective: To analyze the incidence of anal sphincter ruptures and to evaluate risk factors of obstetric anal sphincter ruptures in Dr. Cipto Mangunkusumo Hospital. Method: We reviewed 2009 vaginal deliveries based on the analysis of obstetric data base and patient records of our department during 2012. Cases and control subjects were chosen randomly and patient’s records were reviewed for the following variable: maternal age, parity, gestational age, labor induction, duration of 2nd stage labor, use of forceps, use of vacuum, use of episiotomy, birth weight, and presentation of the baby. Result: There were 91 (4.53%) anal sphincter ruptures during period of study (91 of 2009 patients). An univariate analysis of these 91 case and 91 randomly selected control subjects show that primiparity (p = .000), gestational age (p = .016), duration of second-stage labor (p = .000), forceps delivery (p = .000), vacuum delivery (p = .001), episiotomy (p = .000), and birth weight (p = .000) increased the risk for anal sphincter ruptures. In multivariate re-gression models, only 5 of the 10 predictor variables were significantly related to the likelihood of having a severe perineal trauma greater than second degree. Primiparity (p = .023; OR 2.74, 95% [CI], 1.15-6.51), forceps delivery (p = .000; OR 18.18, 95% [CI] 3.84-86.07), vacuum delivery (p = .005; OR 6.83, 95% [CI] 1.77-26.42), episiotomy (p = .015; OR 2.86, 95% [CI] 1.23-6.65), and birth weight (p = .000; OR 0.99, 95% [CI] 0.997-0.999). Conclusion: Damage of the anal sphincter resulting in a third- or fourth- degree perineal tear is a relatively rare but severe complication of vaginal delivery. We found that factors as sociated with anal sphincter ruptures were primiparity, forceps, vacuum, episiotomy and birth weight. [Indones J Obstet Gynecol 2016; 1: 31-36] Keywords: anal sphincter ruptures, third- or fourth- degree perineal tear, vaginal delivery

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Fatores de Risco para Sépsis Associada aos Cuidados de Saúde em Recém-nascidos de Muito Baixo Peso

Acta Médica Portuguesa ◽

10.20344/amp.6839 ◽

2016 ◽

Vol 29 (4) ◽

pp. 261 ◽

Cited By ~ 1

Author(s):

Helena Pereira ◽

Ema Grilo ◽

Patrícia Cardoso ◽

Natália Noronha ◽

Cristina Resende

Keyword(s):

Risk Factors ◽

Birth Weight ◽

Low Birth Weight ◽

Parenteral Nutrition ◽

Gestational Age ◽

Very Low Birth Weight ◽

Significant Risk ◽

Low Birth Weight Infants ◽

Average Birth Weight ◽

Healthcare Associated

Introduction: Healthcare associated infections in very low birth weight infants are associated with significant morbidity and mortality and are also a cause of increased length of stay and hospital costs. The objective of this study was to evaluate the rate of healthcare-associated sepsis and associated risk factors in very low birth weight infants. Material and Methods: Retrospective observational study including very low birth weight infants hospitalized in a Neonatal Intensive Care Unit during ten years (2005-2014). We evaluated the association between several risk factors and healthcare-associated sepsis. Results: 461 very low birth weight infants were admitted. There were 110 episodes of HS in 104 very low birth weight infants and 53 episodes of sepsis associated with central vascular catheter. The density of the sepsis was 7.5/1 000 days of hospitalization and the density of central vascular catheter - associated sepsis was 22.6/1 000 days of use. The infants with HS had lower average birth weight and gestational age (959 ± 228 g vs 1191 ± 249 g and 27.6 ± 2 vs 29.8 ± 2.2 weeks), p < 0.001. After adjusting for birth weight and gestational age we verified an association between healthcare-associated sepsis and antibiotic therapy in D1, the duration of parenteral nutrition and central vascular catheter. After logistic regression only the gestational age and duration of parenteral nutrition remained as independent significant risk factors for healthcare-associated sepsis. Discussion: The independent factors for healthcare-associated sepsis are gestational age and duration of parenteral nutrition. Conclusion: For each extra week on gestational age the risk declined in 20% and for each day of NP the risk increased 22%.

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Risk factors for metabolic bone disease among preterm infants less than 32 weeks gestation with Bronchopulmonary dysplasia

BMC Pediatrics ◽

10.1186/s12887-021-02705-0 ◽

2021 ◽

Vol 21 (1) ◽

Author(s):

Wenwen Chen ◽

Zhenhai Zhang ◽

Shuzhen Dai ◽

Liping Xu

Keyword(s):

Risk Factors ◽

Birth Weight ◽

Gestational Age ◽

Bone Disease ◽

Metabolic Bone Disease ◽

Late Onset ◽

Significant Risk ◽

Extremely Low Birth Weight ◽

Metabolic Bone ◽

Late Onset Sepsis

Abstract Background Bronchopulmonary dysplasia (BPD) infants present an increased incidence of metabolic bone disease (MBD), but it is unknown which factors contribute to this. The aim of this study was to determine the risk factors for developing MBD in BPD infants. Methods A retrospective review of the medical records of BPD infants admitted to the Neonatal intensive care unit at Zhangzhou Hospital between Jun 2016 and May 2020 was performed. BPD infants with MBD were identified, two contemporaneous without MBD matched by gestational age and gender were randomly selected as controls for each case of MBD. The association between putative risk factors and MBD was estimated with ORs and 95% CIs. A P-value threshold ≤0.2 was used in univariate analysis for inclusion into a multivariate (adjusted) model with a P-value of < 0.05 as statistically significant. Results A total of 156 BPD infants were enrolled with 52 cases of MBD and 104 controls. Fetal growth restriction (OR 6.00, 95% CI, 1.81–19.84), extremely low birth weight (OR 3.10, 95% CI, 1.07–8.94), feeding volume < 80 mL/kg/d at the end of the 4th week after birth (OR 14.98, 95% CI, 4.04–55.58), cholestasis (OR 4.44, 95% CI, 1.59–12.40), late onset sepsis (OR 3.95, 95% CI, 1.12–13.98) and prolonged (> 2 weeks) diuretics application (OR 5.45, 95% CI, 1.25–23.84) were found to be statistically significant risk factors for MBD in BPD infants. Conclusion In BPD infants of homogeneous gestational age, fetal growth restriction, extremely low birth weight, feeding volume < 80 mL/kg/d at the end of the 4th week after birth, cholestasis and late onset sepsis are significant risk factors for MBD. These findings provide potential predictive factors for MBD in BPD infants and warrant prospective validation.

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Risk factors for hip dislocation in dyskinetic cerebral palsy

Journal of Orthopaedic Surgery ◽

10.1177/23094990211001196 ◽

2021 ◽

Vol 29 (1) ◽

pp. 230949902110011

Author(s):

Kyoko Okuno ◽

Yukihiro Kitai ◽

Toru Shibata ◽

Hiroshi Arai

Keyword(s):

Risk Factors ◽

Cerebral Palsy ◽

Birth Weight ◽

Gestational Age ◽

Brain Mri ◽

Brain Lesion ◽

Brain Lesions ◽

Lesion Location ◽

Hip Displacement ◽

Gmfcs Level

Purpose: To investigate the risk factors for hip displacement in patients with dyskinetic cerebral palsy (DCP). Methods: We evaluated 81 patients with DCP, 45 males and 36 females, aged 10–22 years, risk factors for hip displacement were evaluated using multivariate logistic regression analysis with primary brain lesions, Gross Motor Function Classification System (GMFCS) level, gestational age, birth weight, Cobb’s angle, and complication of epilepsy as independent factors. Hip displacement was defined as migration percentage >30%. Primary brain lesions were classified into globus pallidus (GP), thalamus and putamen (TP), and others using brain magnetic resonance imaging (MRI). Perinatal and clinical features were compared between patients with GP lesions and those with TP lesions. Results: Hip displacement was observed in 53 patients (67%). Higher GMFCS levels (p = 0.013, odds ratio [OR] 2.6) and the presence of GP lesions (p = 0.04, OR 16.5) were independent risk factors for hip displacement. Patients with GP lesions showed significantly higher GMFCS levels, more frequent hip displacement, and lower gestational age and birth weight than those with TP lesions. Conclusion: Primary brain lesion location may be an important factor in predicting hip displacement among patients with DCP. Appropriate risk assessment using brain MRI may contribute to the early detection and intervention of hip displacement because brain lesion location can be assessed during infancy before GMFCS level is decided.

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Risk Factors Associated with Retinopathy of Prematurity in Very and Extremely Preterm Infants

Medicina ◽

10.3390/medicina57050420 ◽

2021 ◽

Vol 57 (5) ◽

pp. 420

Author(s):

Claudia Ioana Borțea ◽

Florina Stoica ◽

Marioara Boia ◽

Emil Radu Iacob ◽

Mihai Dinu ◽

...

Keyword(s):

Risk Factors ◽

Preterm Infants ◽

Gestational Age ◽

Retinopathy Of Prematurity ◽

Univariate Analysis ◽

Significant Risk ◽

Extremely Preterm ◽

Extremely Preterm Infants ◽

Surfactant Administration ◽

Stage 1

Background and Objectives: Retinopathy of prematurity (ROP) is the leading cause of blindness in preterm infants. We studied the relationship between different perinatal characteristics, i.e., sex; gestational age (GA); birth weight (BW); C-reactive protein (CRP) and lactate dehydrogenase (LDH) concentrations; ventilation, continuous positive airway pressure (CPAP), and surfactant administration; and the incidence of Stage 1–3 ROP. Materials and Methods: This study included 247 preterm infants with gestational age (GA) < 32 weeks that were successfully screened for ROP. Univariate and multivariate binary analyses were performed to find the most significant risk factors for ROP (Stage 1–3), while multivariate multinomial analysis was used to find the most significant risk factors for specific ROP stages, i.e., Stage 1, 2, and 3. Results: The incidence of ROP (Stage 1–3) was 66.40% (164 infants), while that of Stage 1, 2, and 3 ROP was 15.38% (38 infants), 27.53% (68 infants), and 23.48% (58 infants), respectively. Following univariate analysis, multiple perinatal characteristics, i.e., GA; BW; and ventilation, CPAP, and surfactant administration, were found to be statistically significant risk factors for ROP (p < 0.001). However, in a multivariate model using the same characteristics, only BW and ventilation were significant ROP predictors (p < 0.001 and p < 0.05, respectively). Multivariate multinomial analysis revealed that BW was only significantly correlated with Stage 2 and 3 ROP (p < 0.05 and p < 0.001, respectively), while ventilation was only significantly correlated with Stage 2 ROP (p < 0.05). Conclusions: The results indicate that GA; BW; and the use of ventilation, CPAP, and surfactant were all significant risk factors for ROP (Stage 1–3), but only BW and ventilation were significantly correlated with ROP and specific stages of the disease, namely Stage 2 and 3 ROP and Stage 2 ROP, respectively, in multivariate models.

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Prolonged empiric antibiotics and time to full enteral feed in preterm infants less than 29 weeks of gestational age

Journal of Neonatal-Perinatal Medicine ◽

10.3233/npm-200555 ◽

2021 ◽

pp. 1-5

Author(s):

M.R. Alturk ◽

H. Salama ◽

H. Al Rifai ◽

M. Al Qubaisi ◽

S. Alobaidly

Keyword(s):

Parenteral Nutrition ◽

Preterm Infants ◽

Antibiotic Treatment ◽

Gestational Age ◽

Late Onset ◽

Blood Cultures ◽

Hospital Death ◽

Late Onset Sepsis ◽

Empiric Antibiotic ◽

Antibiotic Courses

BACKGROUND: Early empiric antibiotic exposure appears to negatively influence feeding tolerance in preterm infants. However, the effect of prolonged antibiotic treatment is unknown. The objective of this study was to investigate whether prolonged antibiotics impact the time to full enteral feed in infants less than 29 weeks of gestational age with negative blood cultures. METHODS: Retrospective data for infants less than 29 weeks gestation age were retrieved from the PEARL-Peristat perinatal registry in Qatar. Exclusion criteria were major congenital anomalies, conditions requiring surgery in the first 10 days of life, positive blood cultures in the first 48 hours of life, and death within the first week of life. Antibiotic courses were categorized as prolonged if continued more than 48 hours. The primary outcome was the duration of total parenteral nutrition. RESULTS: Of 199 study infants, 185 (92.9%) underwent antibiotic treatment for > 48 hours despite negative blood cultures. The median duration of parenteral nutrition was not significantly different between the prolonged and short antibiotic groups (25 and 22 days, respectively; p = 0.139). Infants with prolonged antibiotic courses experienced non-significantly higher levels of necrotizing enterocolitis (7.1% and 18.4%, respectively), bronchopulmonary dysplasia (28.6% and 45.4%, respectively), and retinopathy of prematurity (14.3% and 38.4%, respectively). There were no differences in the late-onset sepsis rate (78.6% and 82.1%, respectively) and the in-hospital death rate (7.1% and 7.6%, respectively). CONCLUSIONS: Prolonged antibiotic treatment in infants less than 29 weeks gestation with negative blood cultures has no significant impact on the time to full enteral feed.

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A study of risk factors and their correlation with severity of retinopathy of prematurity: a prospective study

International Journal of Contemporary Pediatrics ◽

10.18203/2349-3291.ijcp20204039 ◽

2020 ◽

Vol 7 (10) ◽

pp. 1984

Author(s):

Bhuvaneshwari C. Yelameli ◽

Ramesh V. Neelannavar ◽

Kiruthika Das

Keyword(s):

Risk Factors ◽

Birth Weight ◽

Gestational Age ◽

Retinopathy Of Prematurity ◽

Survival Rates ◽

Wide Field ◽

Maternal Risk ◽

Medical College ◽

Stage 4 ◽

A Prospective Study

Background: Recent advances in neonatal care in the last decade and improved survival rates have resulted in an apparent increase in the incidence of retinopathy of prematurity (ROP), which is the most important cause of preventable blindness in infants. This study was done to identify the risk factors which predispose to ROP and to assess its correlation with severity of ROP.Methods: A total of 140 neonates with gestational age ≤34 weeks, birth weight ≤2000 grams who were admitted at NICU, S. N. Medical College and HSK Hospital, Bagalkot from December 2018 to May 2019 were considered. Babies were assessed and recorded for the risk factors of ROP in a predesigned proforma. ROP screening was performed using wide-field digital imaging on a retcam shuttle (Clarity MSI, USA).Results: A total of 140 babies were examined, and an overall incidence of ROP was 52 (37.1%). 17 (32.7%) had stage 3, 3 (5.8%) had stage 4, and 1 (1.9%) had stage 5. Among the 52 babies with ROP, 19 (51.3%) underwent laser photoablation. Risk factors like gestational age, birth weight, maternal risk factors, apnea, intrauterine growth restriction (IUGR), hypoglycaemia, respiratory distress syndrome (RDS), sepsis, coronary heart disease (CHD), blood transfusion and oxygen requirement duration were significantly associated with ROP. Delay in the establishment of feeds has been associated with ROP (p<0.001).Conclusions: Screening should be intensified in the presence of risk factors which can reduce the incidence of severe stages of ROP as highlighted by this study.

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