Retinopathy Of Prematurity Stage Research Articles

Effect of Kangaroo Mother Care on Retinopathy of Prematurity in Neonates Less Than 1,800 g or Below 34 Weeks of Gestation

Introduction KMC (Kangaroo Mother Care) is an established intervention to reduce mortality and morbidity in low birth weight (LBW) neonates. A multitude of risk factors and preventive strategies for ROP (retinopathy of prematurity) have been studied, however, the effect of KMC on ROP has not been reported. This study aims to study the effect of KMC on ROP in neonates with birth weights between 1,000 and 1,800 g. Methods The babies who received effective KMC (>6 hours per 24 hours for three consecutive days) were analysed in the intervention group and those with ineffective KMC were analysed in the control group. Variables significant in univariate analysis were entered into backward regression models in multivariate analysis. Odds ratios and 95% confidence intervals were calculated. P values < .05 are taken as significant. Results Of 783 neonates enrolled, 66 (8.4%) developed ROP (any stage). The incidence of ROP requiring intervention was 1.02%. Effective KMC reduced the risk of ROP by 95%, RR 0.05 (0.02–0.12) and number needed to treat = 5. The proportion of neonates with ROP in zone 1 and stage 3 was more in the ineffective KMC (42.4% vs. 1.5%) group than in the effective KMC group (51.5% vs. 0%) ( P < .001). Ineffective KMC, gestation <30 weeks, small for gestation, obstetric complications, asphyxia, sepsis, higher initial PEEP and lack of breastfeeding were significant risk factors for developing ROP. Conclusion KMC, an effective intervention to improve the mortality and morbidity in LBW neonates, was significantly associated with the reduction of any stage ROP and ROP needing intervention, potentially preventing a significant cause of childhood blindness.

Occult retinal neovascularization following intravitreal bevacizumab and laser treatment for retinopathy of prematurity

BackgroundWe present a patient with retinopathy of prematurity (ROP) who developed worsening plus disease after complete regression of stage 3 ROP. The use of fundus fluorescein angiography (FFA) aided the visualization of occult neovascularization that caused the disease progression.Case presentationThe patient was at high risk for ROP due to low birth weight of 690 g and gestational age of 25 weeks. After the diagnosis of stage 3 ROP in zone I without plus disease, she was treated initially with bilateral intravitreal bevacizumab (IVB) and followed by laser photocoagulation 5 weeks later. Despite the resolution of ROP stage, the plus disease worsened. Neither systemic risk factors nor skip laser areas were observed. Hence, FFA was performed and subsequently identified occult neovascularization with active leakage. Additional IVB and laser treatment in the capillary dropout area inside vascularized retina were added. The plus disease improved but mild arteriolar tortuosity persisted.ConclusionsWorsening of plus disease after completion of laser ablation and IVB with complete regression of stage 3 ROP is rare. Systemic risk factors such as continuous oxygen therapy and cardiovascular disease should be ruled out. FFA aided in identifying occult neovascularization and prompted further treatment.

Stage III Chorioamnionitis Is Associated with Reduced Risk of Severe Retinopathy of Prematurity

ObjectiveTo identify whether histologically confirmed chorioamnionitis (hCAM) is associated with development of retinopathy of prematurity (ROP). Study designWe retrospectively analyzed two different cohorts. Cohort 1 was the national database of newborns in Japan born at ≤1500g or <32 weeks’ gestation (January 2003 through April 2021, n=38,013). Cohort 2 was babies born at <1500g from a single institution in Tsuchiura, Japan, (April 2015 through March 2018, n=118). ResultsFor Cohort1, after adjusting for potential confounders, stage III CAM (n=5,554) was associated with lower odds of severe ROP (stage ≥3 or required peripheral retinal ablation) by 14% (odds ratio [OR]: 0.86; 95% confidence interval [CI]: 0.78–0.94]. CAM of stage I (n=3,277) and II (N=4,319) was not associated with the risk of ROP. For Cohort 2, the odds of severe ROP were significantly reduced in moderate to severe hCAM groups (stage II, OR: 0.06, 95% CI: 0.05–0.82; stage III, OR: 0.10, 95% CI: 0.01-0.84). Neonates with funisitis, comorbidity of hCAM, and a finding of fetal inflammatory response had lower odds of severe ROP (OR: 0.11; 95% CI: 0.01–0.93). ConclusionsAfter adjusting for confounders, severe hCAM with fetal inflammatory response was associated with reduced risk of ROP.

A Study of the Demographic Profile, Screening, and Management of Patients Visiting a Retinopathy of Prematurity Clinic.

Background and objective Retinopathy of prematurity (ROP) is a retinal vasoproliferative disease affecting premature infants. Despite improvements in neonatal care and management, ROP still remains a major cause of childhood blindness worldwide. Studying the demographic profile and screening is essential to develop predictive models, to gain insights into the cause of retinal vascular diseases and diseases of prematurity, and to determine the future management and research in ROP. The objective of the present study was to estimate the incidence of ROP, to identify the risk factors that predispose to ROP, and to assess the outcome of these cases. Hence, this study was conducted in a tertiary care hospital in Maharashtra. Method A prospective, observational study was conducted from 10 August 2022 to 10 October 2022.Infants withgestational ages < 34 weeks, birth weights< 2000 g, infants who received supplemental oxygen therapy, or patients who required NICU stay were screenedfor ROP. Demographic details were recorded to assess the risk factors and treatment was given according to the severity of ROP grade. Result A total of 160 eyes of80 infants were screened and analysed. The overall incidence of "any ROP" was19 patients (38 eyes), i.e., 24%. Out of 80 patients, six were of 28 weeks gestational age, of whomfour (67%) were positive for ROP. The mean birth weight of infants with ROP was 1331.58 ± 238.532 g (p < 0.0001). ROP stage 1 was seen in five patients (26.32%), stage 2 in 10 patients (52.63%), and stage 3 in four patients (21.0%), with no subjects in stages 4 & 5. Out of 19 patients, six (32%) had type 1 ROP, and 13 (68%) had type 2 ROP.Out of 19cases, 13 (68%) received follow-upcare based on the severity of their disease, and six (32%) were treated with panretinal photocoagulation (PRP) laser. Conclusion Incidence of any ROP was 24%. Prematurity, low birth weight, and oxygen therapy remain the most significant risk factors associated with the development of ROP. Early referral, diagnosis, and timely intervention will play a monumental role in improving the prognosis of this potentially blinding disease.

Ocular blood flow in preterm neonates

Retinopathy of prematurity (ROP) is a disorder affecting low birthweight, preterm neonates. In the preterm eye, the retina is not fully developed and neovascularization may occur at the margin between the developed vascular retina and undeveloped avascular retina. Without timely treatment by laser or intravitreal anti-vascular endothelial growth factor (VEGF) therapy, this can lead to tractional retinal detachment and blindness. Visualization of the retina in regular examinations by indirect ophthalmoscopy is hence the current standard of care, but the exams are stressful and interpretation of images is subjective. The upregulation of VEGF in ROP would suggest an increase in ocular blood flow. In this report, we evaluate the potential of ultrafast plane-wave Doppler ultrasound (PWU) to detect increased flow velocities in the orbital vessels supplying the eye in a gentle exam with objective findings. We imaged both eyes of 50 low-birthweight preterm neonates using 18 MHz PWU. Flow velocity in the central retinal artery (CRA) and vein (CRV), and the short posterior ciliary arteries were determined and values at each ROP Stage compared. We found significantly increased velocities in the CRA and CRV in Stage 3 ROP eyes, where intervention would be considered. We compared multivariate models for identifying Stage 3 eyes comprised solely of clinical factors, solely of Doppler parameters, and clinical plus Doppler parameters. The respective models provided areas under their respective ROC curves of 0.760, 0.812, and 0.904. PWU Doppler represents a gentle, objective means for identifying neonates at risk for ROP that could complement ophthalmoscopy.

416 MRI Findings in Preterm Infants Associated with Strabismus

OBJECTIVES/GOALS: Prematurity and perinatal brain injury are known risk factors for strabismus. In this study, we sought to understand the link between neonatal neuroimaging measures in very preterm infants and the emergence of strabismus later in life. Study findings may inform if neonatal brain MRI could serve as a prognostic tool for this visual disorder. METHODS/STUDY POPULATION: This study draws from a longitudinal cohort of very preterm infants (VPT, &lt; 30 weeks gestation, range 23 – 29 weeks) who underwent an MRI scan at 36 to 43 weeks postmenstrual age (PMA). Anatomic and diffusion MRI data were collected for each child . A subset of thirty-three patients in this cohort had records of an eye exam, which were reviewed for a history of strabismus. Patients with MRI scans demonstrating cystic periventricular leukomalacia or grade III/IV intraventricular hemorrhage were classified as having brain injury. Clinical variables with a known association to strabismus or diffusion metrics were included in a multivariable logistic regression model. Diffusion tractography metrics were screened for association with strabismus on univariable analysis prior to inclusion in the regression model. RESULTS/ANTICIPATED RESULTS: A total of 17/33 (51.5%) patients developed strabismus. A logistic regression model including gestational age, PMA at MRI, retinopathy of prematurity (ROP) stage, brain injury, and fractional anisotropy of the right optic radiation was significant at the .001 level according to the chi-square statistic. The model predicted 88% of responses correctly. Each decrease of 0.01 in the fractional anisotropy of the right optic radiation increased the odds of strabismus by a factor of 1.5 (95% CI 1.03 – 2.06; p = .03). Patients with brain injury had 15.8 times higher odds of strabismus (95% CI 1.1 – 216.5; p = .04). Gestational age (OR 1.7; 95% CI 0.9 – 3.3; p = .1) and stage of ROP (OR 0.6; 95% CI 0.2 – 2.0; p = .4) were not significant predictors of strabismus in the multivariable model. DISCUSSION/SIGNIFICANCE: Our findings suggest that strabismus in VPT patients may be related to specific changes in brain structure in the neonatal period. The identified association between neonatal optic radiation microstructure and strabismus supports the possibility of using brain MRI in very preterm infants to prognosticate visual and ocular morbidity.

Frequency and risk factors of retinopathy of prematurity: a 5-year single-center study in a Tertiary Care Hospital

Aim Our study aimed to determine the frequency of retinopathy of prematurity (ROP) in a cohort of premature infants screened for ROP, to confirm the efficacy of our screening program used in the NICU to avoid childhood blindness. In addition, we aimed to study the associated risk factors affecting ocular status including birth weight (BW), gestational age (GA), mechanical ventilation, length of intensive care unit (ICU) stay, and number of ROP follow-up. Methods This was a retrospective cohort study conducted from March 2016 to March 2021. Data were retrieved from the records of preterm infants admitted to the neonatal intensive care unit in King Faisal Specialist Hospital and Research Center in Riyadh, Saudi Arabia. The included data: Comprised perinatal data such as sex, BW, GA, multifetal gestation, and delivery type. Neonatal course: Need for surfactant, oxygen therapy, and mechanical ventilation (MV) duration. Neonatal complications: Chronic lung diseases [(respiratory distress syndrome (RDS) and bronchopulmonary dysplasia (BPD)], sepsis, neonatal jaundice, patent ductus arteriosus (PDA), hydrocephalus, and intraventricular hemorrhage (IVH). ROP examination: stage, zone, plus disease, extent, treatment, and number of the follow-up. Results In all, 337 preterm infants met the screening criteria and were included in the study. The majority (52%, n=177) were male; 148 (43.9%) were products of multifetal gestation, the mean GA was 29.35±2.77, and the median BW was 1195.1±338 gm. Caesarean section was the main mode of delivery in 80.5% of our sample (269 babies). ROP was detected in 181 (53.7%) infants, of which 110 (32.6%) had Stage 1, 57 (17%) Stage 2, and 14 (4.15%) had Stage 3. The majority (89.4%) were involved in zone 2–3, and five patients had the plus disease (1.48%). The number of ROP follow-up ranged between 2 and 25 visits either in the NICU or in the eye clinic following their discharge with a mean of 2.347. Conclusion The incidence of ROP in our sample was high relative to other local studies, which was related to the relatively high number of multifetal gestations with high chance of low birth weight as our center is an expert facility in in vitro fertilization. Male patient had a high incidence of development of different stages of ROP. Preterm babies with complicated neonatal course like NEC, Chronic Lung Disease, and IVH had high incidence of development of ROP.

Клинико-лабораторные факторы риска рецидива (реактивации) ретинопатии недоношенных после интравитреального введения афлиберцепта

Purpose. To study the causes of reactivation of retinopathy of prematurity (ROP) after intravitreal aflibercept injections. Material and methods. This study was carried out at V.F. Voino-Yasenetsky Scientific and Practical Center for Specialized Medical Care in Children from September 2021 to February 2023. The study included 101 premature infants (202 eyes) with retinopathy of prematurity who received intravitreal administration of aflibercept. The patients were divided into two groups: the control group included patients who received a single intravitreal injection of a VEGF inhibitor (aflibercept) with a positive effect. The main group included children who received two or more intravitreal injections of VEGF inhibitors (aflibercept) after reactivation of ROP. All patients were monitored for reactivation of retinopathy of prematurity after intravitreal injection of aflibercept. Results. The study noted a statistically significant difference in blood pH levels, stage of ROP, and APROP. In the group with reactivation ROP, APROP was noted 2 times more often (48.94% versus 27.78% in the control group). The group with more intravitreal aflibercept injections had lower blood pH levels (7.348±0.044 versus 7.372±0.030 in the control group). Conclusion. The study showed that clinical and paraclinical risk factors for the development of recurrent (reactivation) of ROP after intravitreal treatment with aflibercept are: severe eye disease (stage of ROP, aggressive posterior ROP), a change in the acid-base balance of the blood towards increased acidity. Blood acidity reflects a generalized process of impaired angiogenesis throughout the body. The more severe the patient’s initial eye condition, the higher the incidence of reactivation of ROP. Key words: recurrence, reactivation, retinopathy of prematurity, risk factor, clinical and paraclinical, aflibercept

Association of Oxygen Therapy Concentration and Duration with Retinopathy of Prematurity Incidence at Naresuan University Hospital

Objective: This study aimed to evaluate the association between the concentration and duration of oxygen therapy and the development and severity of retinopathy of prematurity (ROP). Additionally, it sought to examine the incidence of ROP at Naresuan University Hospital. Materials and Methods: A retrospective observational cohort study was conducted, utilizing data from the medical records of infants admitted to the Neonatal Intensive Care Unit at Naresuan University Hospital, Phitsanulok, Thailand, from January 1, 2016, to December 31, 2022. The duration of various oxygen therapies was recorded in hours, and the concentration of oxygen administered per hour was calculated as the average fraction of inspired oxygen for each infant. These data were subsequently analyzed using STATA version 11.0. Results: Out of 100 eligible infants, 27 (27%) were diagnosed with ROP at different severity levels: 17 infants (62.96%) with ROP stage 1, 9 infants (33.33%) with stage 2, and 1 infant (3.70%) with stage 3. There were no cases of Stage 4 or 5 ROP. The adjusted risk ratio revealed that infants receiving an average FiO2 of 0.3 or higher had a 1.64 times greater risk of developing ROP [95%CI 1.03-2.62], (P-value=0.038). Further analysis using mean difference regression showed a significant correlation between the duration of oxygen therapy and the severity of ROP. Conclusion: This study suggests that regulating oxygen therapy to not exceed an FiO2 of 0.3 and administering it strictly as needed may mitigate the risk of developing ROP and its severe manifestations.

Characteristics of Premature Retinopathy Patients who underwent surgery at dr. Kariadi General Hospital Semarang

Abstract&#x0D; Introduction &amp; Objectives : Introduction: Retinopathy of prematurity (ROP) represents a leading cause of childhood blindness. The management of ROP can be challenging in preterm babies, those with very low birth weight and multiple risk factors. The characteristic and risk factors of ROP is essential to acknowledge. Objective: To describe the characteristic of patients with ROP who underwent surgery in Dr. Kariadi Hospital and to identify the risk factors of the disease&#x0D; Methods : A retrospective study held from the medical record of patients with diagnosis ROP from January 2020-January 2023 in Dr. Kariadi Hospital, Semarang. The clinical characteristics: sex, gestation age, birth weight, maternal risk factors, neonatal risk factors, and ROP Stage. Type of surgery: laser, intravitreal injection, vitrectomy were also collected.&#x0D; Results : There were 19 ROP patients with 8 (42.1%) gestational age between 29-30 weeks, 8 (42.1%) birth weight 1000-1500gr, 7 (36.8%) had maternal risk: hypertension, 12 (63), 15%) of patients with ROP stage 3, 8 (42,1%) had a combined management of laser surgery and intravitreal injection. Among all the patients at risk had at least one neonatal risk factor with history of oxygenation being the most common (100%).&#x0D; Conclusion : Characteristics of ROP patients underwent surgery at Dr. Kariadi General Hospital are mostly patients with gestational age between 29-30 weeks and have the most oxygenation history factors. The most common type of surgical procedure performed is a combination of laser and intravitreal injection.

Scleral Buckling for Retinopathy of Prematurity: A Case Report

Introduction : Retinopathy of prematurity (ROP) is a vasoproliferative retinal disease that affects premature infants. Patients with advanced ROP require surgery to minimize retinal distortion and prevent total retinal detachment. This case reports the efficacy of scleral buckling (SB) in a patient with stage 4B ROP in both eyes within 3 months.&#x0D; Case Illustration : A 4-month-old female baby presented to the Pediatric Ophthalmology Division in Cipto Mangunkusumo Hospital with the chief complaint of no eye contact in both eyes. Her eyes moved by themselves since the age of 3.5 months and sometimes looked crossed. The patient presented to the pediatrician and was referred to the pediatric ophthalmology division for further management. There was a history of premature delivery at 30 weeks with oxygen therapy for 3 weeks. Pediatric Ophthalmology Division performed ultrasonography and Retcam and diagnosed ROP stage 4B in both eyes. Scleral buckling was performed by vitreoretinal division in the right and left eyes at 49 and 52 weeks postmenstrual age, respectively.&#x0D; Discussion : Vitrectomy and scleral buckling are the surgical options in advanced ROP. Vitrectomy is ideally performed in stage 4A without macular involvement. We considered performing SB because vitrectomy seems to be ineffective in this patient and the patient is more prone to intraocular complications.&#x0D; Conclusion : Scleral buckling is effective in preventing further progression of retinal detachment, reducing vitreoretinal traction and preventing ischemia in the retinal detachment. In short-term follow-up, we found no worsening of progression. However, further follow-up is needed to demonstrate the long- term efficacy of SB in advanced ROP.

Targeting adenosine A2A receptors for early intervention of retinopathy of prematurity.

Retinopathy of prematurity (ROP) continues to pose a significant threat to the vision of numerous children worldwide, primarily owing to the increased survival rates of premature infants. The pathologies of ROP are mainly linked to impaired vascularization as a result of hyperoxia, leading to subsequent neovascularization. Existing treatments, including anti-vascular endothelial growth factor(VEGF) therapies, have thus far been limited to addressing pathological angiogenesis at advanced ROP stages, inevitably leading to adverse side effects. Intervention to promote physiological angiogenesis during the initial stages could hold the potential to prevent ROP. Adenosine A2A receptors (A2AR) have been identified in various ocular cell types, exhibiting distinct densities and functionally intricate connections with oxygen metabolism. In this review, we discuss experimental evidence that strongly underscores the pivotal role of A2AR in ROP. In particular, A2AR blockade may represent an effective treatment strategy, mitigating retinal vascular loss by reversing hyperoxia-mediated cellular proliferation inhibition and curtailing hypoxia-mediated neovascularization in oxygen-induced retinopathy (OIR). These effects stem from the interplay of endothelium, neuronal and glial cells, and novel molecular pathways (notably promoting TGF-β signaling) at the hyperoxia phase. We propose that pharmacological targeting of A2AR signaling may confer an early intervention for ROP with distinct therapeutic benefits and mechanisms than the anti-VEGF therapy.

Choroidal measurements in decision making for retinopathy of prematurity: a decision tree analysis

BackgroundTo compare the choroidal thickness and vascular profile of premature infants with ROP (retinopathy of prematurity) using a handheld SD-OCT device.MethodsWe performed horizontal SD-OCT scans through the fovea in 115 eyes of 66 premature infants. Premature infants included 2 groups [infants with ROP requiring treatment (as treatment group) vs. infants without ROP or with ROP not- requiring treatment (as no-treatment group)] Choroidal thicknesses (CT) were measured at 5 points, including the fovea, 250 µm, and 500 µm mm nasal and temporal to the fovea. The choroidal vascularity index (CVI) and choroidal stromal index (CSI) were also calculated. The classification and regression tree (CRT) algorithm was used to predict the need for treatment based on all OCT characteristics.ResultsMean CT was higher in 500 µm nasal to the fovea compared to temporal CT (275.8 ± 64.8 and 257.1 ± 57.07, P value < 0.03). No statistically significant difference was found regarding CVI, corrected CVI, and temporal and nasal CT in the treatment group versus the no-treatment group. The foveal CT was significantly lower in ROP patients with the plus disease compared to not-plus ROP (P value = 0.03. ANOVA, Bonferroni posthoc test). CT was not significantly different between plus and pre-plus patients (P-value = 0.9, ANOVA, Bonferroni posthoc test). No significant relationship was found between the stage of ROP and choroidal thickness (P value > 0.05, GEE). The decision tree analysis showed that in infants with ROP, the most important predictor for the need for treatment is CSI.ConclusionThis study delineated the possible effectiveness of choroidal measurements as an additive to decision-making for ROP. We also demonstrated that choroidal involution is associated with the presence of plus disease, not with the stage of ROP. We demonstrated that choroidal measurements are very sensitive but not specific tools for assessing the need for treatment in ROP patients.

Effect of Breast Milk Feeding on Retinopathy of Prematurity in Neonates Less than 1800 Grams: A Cohort

Introduction Human milk has many antioxidants like Docosahexaenoic acid (DHA), inositol, and vitamin E that combat oxidative stress deregulating VEGF which is implicated in the pathogenesis of retinopathy of prematurity (ROP). Thus, it is biologically plausible that human milk is protective towards ROP. Aim and objective The study aimed to find the association between ROP and breast milk feeding. Methodology The prospective cohort study was carried out for 18 months at the Newborn unit, SJH. In our study, mothers were asked to maintain a feeding diary (type of milk fed) and history was taken from the mother regularly. Each neonate was later assigned a feeding category including exclusively breast milk fed, more than 50% breast milk fed, more than 50% top milk-fed, and exclusively top milk fed. At four weeks of age, all these neonates were called to undergo screening for ROP. In the case of immature retina, neonates were followed up for repeat fundus exams and results were included in the study. Result A study on 521 neonates between birth weight of 1–1.8 kgs found that predominant breast milk feeding reduces the chance of any stage ROP (needing repeat screening or intervention). The total incidence of any stage ROP in this study was noted to be 16.2% where 4.1% of total neonates from the predominantly breastfed group as compared to 37.8% from the predominantly top-fed group developed any stage ROP. Conclusion Breast milk feeding has a significant benefit in reducing any stage ROP and ROP needing intervention, thus it has the potential to prevent a significant cause of childhood blindness. What is already known – Breast milk feeding may be protective towards ROP What the study adds – Breast milk feeding is independently protective towards ROP

Determinants of compliance with outpatient examinations for infants at risk for retinopathy of prematurity

PurposeTo assess the level and the determinants of compliance with outpatient retinopathy of prematurity (ROP) examination appointments at a tertiary academic center. MethodsThe medical records of babies scheduled for outpatient ROP examination between January 1, 2022, and December 31, 2022, were reviewed retrospectively. Data collected included appointments scheduled and attended, birth weight, gestational age, ROP staging at discharge, maternal ethnicity (self-identified), household type, proximity to hospital and median family income (US Census based on home zip codes). Univariate and multivariable analyses were performed. A P value of <0.05 was considered significant. ResultsThe records of 66 babies were analyzed. Forty-nine babies (74%) attended all scheduled ROP examination appointments (fully compliant). The mean appointment compliance rate was 86%, with a 1.5% no-show rate. Seven children (11%) required the intervention of Child Protective Services. One baby was never seen in the clinic. In unadjusted analysis, maternal ethnicity (P = 0.028) and median family income lower than the national average (P = 0.049) were sociodemographic factors associated with lower compliance. Clinical factors associated with lower compliance were lower gestational ages (P = 0.005) and lower birth weight (P = 0.006). In multivariable logistic regression adjusting for all candidate predictors, only birth weight remained significantly associated with lower compliance (P = 0.036). ConclusionsClinical and sociodemographic factors may be associated with compliance with outpatient ROP examination recommendations. Extremely low-birth-weight babies were at the greatest risk for noncompliance.

Histological Chorioamnionitis and Funisitis as New Risk Factors for Retinopathy of Prematurity: A Meta-analysis.

The role of placental inflammation in neonatal morbidities is underestimated due to lack of placental examination. This meta-analysis aims to assess the association between histological chorioamnionitis (HCA) with and without funisitis (FUN) and risk of retinopathy of prematurity (ROP). Forty-five studies reporting (unadjusted) data on HCA without FUN and HCA with FUN in neonates with ROP were included. Primary outcomes were any stage ROP and severe ROP. Potential confounders explored were gestational age (GA) at birth, birthweight, maternal steroid use, necrotizing enterocolitis, sepsis (suspected/proven) and mechanical ventilation duration. Neonates with HCA had increased risk for any stage ROP (odds ratio [OR] 1.8; 95% confidence interval [CI] 1.3-2.4) and severe ROP (OR 1.5; 95% CI 1.2-1.8) compared with neonates without HCA. The rates of any stage ROP (OR 1.8; 95% CI 1.4-2.2) and severe ROP (OR 1.4; 95% CI 1.1-1.6) were higher in neonates with FUN compared with neonates without FUN. Multivariate meta-regression analysis suggests that lower GA increases the effect size between FUN and severe ROP. This meta-analysis confirms that presence of HCA and FUN are risk factors for any stage ROP and severe ROP. Structured histological placental examination of HCA and FUN may be a tool to further refine the ROP risk profile. · This systematic review confirms that HCA is a risk factor for ROP.. · This meta-analysis reveals that FUN results in an even higher risk for developing ROP.. · Placental examination of HCA/FUN may be a tool to further refine the ROP risk profile..

Association of Head Circumference, Gestational Age and Birth Weight with Severity of Retinopathy of Prematurity

Purpose: To determine relationship between head circumference, gestational age and birth weight with stage of Retinopathy of Prematurity (ROP). Study Design: Descriptive observational. Place and Duration of Study: Jinnah Postgraduate Medical Centre (JPMC), Karachi from January 2022 to June 2022. Methods: Infants born at or before 32 weeks of gestation, birth weight of less than or equal to 1500 grams at birth were enrolled. Their head circumference, gestational age and birth weight was measured and Fundoscopy was done to find out ROP. Staging of ROP was recorded four weeks after birth. The severity of ROP was correlated with head circumference, gestational age and birth weight. Results: Of the 82 infants with ROP, 44 (54%) were male and 38 (46%) were female. Mean gestational age was 30 ± 1.4 weeks (range 27-32 weeks),mean birth weight was 1275 ± 155 gram (range 800-1500), and mean Fronto Occipital Circumference (FOC) was 29 ± 1.6 cm (range 25-32 cm). Degree (stage) of ROP was as follows; 14 (17.1%) infants had stage 1 disease, 24 (29.3%) had stage 2 disease, 28 (34.1%) had stage 3 disease, 13 (15.9%) had stage 4 disease and 3 (3.7%) had stage 5 disease. There was statistically significant association of gestational age, birth weight and head circumference (FOC) with the degree of ROP (P&lt;0.001) Conclusion: Head circumference, gestational age and birth weight had a significant association with degree of ROP (P&lt;0.001).

Regional variations in retinopathy of prematurity incidence for preterm infants

ObjectivesNational-level data on the incidence of retinopathy of prematurity (ROP) in different regions of China is insufficient. This study aimed to compare ROP incidences and care practices in different regions of China and their relationship with regional gross domestic product (GDP) per capita. Study designRetrospective cohort study. MethodsAll infants born at <32 weeks gestational age (GA) and admitted to 70 neonatal intensive care units (NICUs) from January 1, 2019, to December 31, 2020, were enrolled. Hospitals were categorised into three regional groups according to geographical locations and GDP per capita from high to low: Eastern, Central, and Western China. The incidence of death or ROP, and care practices were compared among the groups. ResultsA total of 18,579 infants were enrolled. Median GA was 29.9 (interquartile range 28.4–31.0) weeks and birth weight was 1318.1 (317.2) g. The percentage of GA <28 weeks, complete administration of antenatal steroids, and weight gain velocity during NICU stay were highest in Eastern China and lowest in Western China (all P < 0.01). In Eastern, Central, and Western China, the rates of death or any stage of ROP were 33.3%, 38.5%, and 39.2%, respectively (P < 0.01). ConclusionsThere were considerable regional disparities in ROP incidence in preterm infants with GA <32 weeks in China. The incidence of death or ROP ranged from high to low in Western, Central, and Eastern China.

Childhood blindness from surge of advanced stage retinopathy of prematurity in premature infants during the COVID-19 pandemic: a case series

Background Retinopathy of prematurity (ROP) is a proliferative disease of the ocular retinal vasculature in premature infants, being a leading cause of preventable childhood blindness. The COVID-19 pandemic serves as an additional barrier to access to care and referral, potentially leading to more cases of advanced stage ROP. Although surgery can be done, ROP at this stage is highly associated with poor functional outcome irrespective of surgery. This case series aims to report advanced stage (stage 5) ROP in premature infants during the COVID-19 pandemic. MethodsA retrospective case series of medical records of paediatric patients with ROP was performed at Cipto Mangunkusumo National Referral Hospital between March 1, 2020 and December 31, 2021. This case series included new patients that presented to our clinic from March 2020 to December 2021 with stage 5 ROP. ResultsA total of 19 eyes of 10 patients with stage 5 ROP were included in this study. Mean chronologic age at presentation to our referral centre was 7.0 4.0 months. Upon presentation, all had stage 5 ROP with negative blink reflex to light, and none of the eyes in this cohort underwent surgical intervention. Mean gestational age was 30.3 3.2 weeks and mean birth weight was 1,276.7 366.4 g. ConclusionThere was an observable surge of stage 5 ROP at our referral centre with irreversible blindness. This highlights the need for proper ROP screening in all hospitals in Indonesia to prevent delay in detection and care of advanced stage ROP.

Surgical outcomes in aggressive retinopathy of prematurity (AROP)-related retinal detachments.

Aggressive retinopathy of prematurity (AROP) is a severe and progressive variant of retinopathy of prematurity (ROP) rapidly forming fibrous tissue extending from the disc toward the posterior lens surface progressing to Stage 5 disease without traversing the classical course that includes Stages 1 to 3. Since AROP behaves differently from type 1 ROP, this study was undertaken to evaluate the surgical outcome of AROP-related detachments. Retrospective analysis of data from electronic medical records of babies diagnosed with AROP-related detachments who underwent micro-incision vitrectomy surgery (MIVS) was included. The demographic data, details of primary intervention (laser and/or intravitreal bevacizumab), and surgery were noted. In a subset of patients, surgical intervention was planned early at the onset of fibrovascular tissue. 43 eyes of 26 babies with median birth weight 1175 g and median gestational age of 29 weeks were analyzed. 42/43 eyes underwent primary intervention in form of laser and/or anti-VEGF injection before surgery. 41.8%, 25.5%, and 32.5% eyes progressed to stages 4A, 4B, and 5, respectively, requiring surgical intervention. 66% eyes underwent lensectomy and vitrectomy (LV), and 44% eyes underwent lens sparring vitrectomy (LSV). 58% eyes had attached macula. 44% eyes that had a relatively less vascular diseases had better anatomical outcome (P = 0.019). At final follow-up, 53.4% eyes followed or at least had light fixation, and 77.7% eyes undergoing LSV fixated and/or followed light compared to 33% for LV (P = 0.04). Challenges in AROP include rapid progression to advanced stages of ROP requiring close monitoring and multiple interventions. Surgeries for AROP have a favorable anatomical and functional outcome in 58% and 53%, respectively. Eyes undergoing lens sparing vitrectomy had better visual outcomes.