Screening for Retinopathy of Prematurity in a Large Tertiary Neonatal Intensive Care Unit in Turkey: Frequency and Risk Factors

Sarikabadayi, Yusuf Unal; Aydemir, Özge; Ozen, Zuhal Tunay; Aydemir, Cumhur; Tök, Levent; Oğuz, Şerife Suna; Erdeve, Ömer; Uraş, Nurdan; Dilmen, Uğur

doi:10.3109/09286586.2011.615449

Cited by 38 publications

(29 citation statements)

References 31 publications

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“…An incidence of 32–47.27% has been reported previously from India 18 19 24. In recent studies from Iran and Turkey, incidences of 34.5% and 32.7% have been reported 20 21. Al Hazzani et al 13 reported an ROP incidence of 28.3% in a recent study carried out in Riyadh, Saudi Arabia.…”

Section: Discussionmentioning

confidence: 98%

Retinopathy of prematurity: are we missing any infant with retinopathy of prematurity?

et al. 2012

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Section: Discussionmentioning

confidence: 98%

Retinopathy of prematurity: are we missing any infant with retinopathy of prematurity?

et al. 2012

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“…It uses a probe with an operating frequency of 10 to 12 MHz and a linear amplification curve (4) . Retinopathy of prematurity (ROP) is a vasoproliferative retinopathy of infants who are born prematurely and with a low birth weight (5)(6)(7) . Moreover, ROP can be a potentially blinding condition (8) .…”

Section: Introductionmentioning

confidence: 99%

Analysis of the horizontal corneal diameter, central corneal thickness, and axial length in premature infants

Özdemir¹,

Tunay²,

Petriçli³

et al. 2014

Arquivos Brasileiros De Oftalmologia

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Purpose: To determine the horizontal corneal diameter, central corneal thickness, and axial length in premature infants. Methods: Infants with a birth weight of less than 2,500 g or with a gestation period of less than 36 weeks were included in the study. Infants with retinopathy of prematurity (ROP) were allocated to Group 1 (n=138), while those without ROP were allocated to Group 2 (n=236). All infants underwent a complete ophthalmologic examination, including corneal diameter measurements, pachymetry, biometry, and fundoscopy. Between-group comparisons of horizontal corneal diameter, central corneal thickness, and axial lengths were performed. Independent sample t-tests were used for statistical analysis. Results: Data was obtained from 374 eyes of 187 infants (102 female, 85 male). The mean gestational age at birth was 30.7 ± 2.7 weeks (range 25-36 weeks), the mean birth weight was 1,514 ± 533.3 g (range 750-1,970 g), and the mean postmenstrual age at examination was 40.0 ± 4.8 weeks. The mean gestational age and the mean birth weight of Group 1 were statistically lower than Group 2 (p<0.05). There were no significant differences in horizontal corneal diameter, central corneal thickness, and axial length between the two groups (p>0.05). Conclusions:The presence of ROP in premature infants does not alter the horizontal corneal diameter, central corneal thickness, or axial length.

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“…Prematurely born children are disadvantaged in terms of perinatal mortality and long-term growth (3)(4)(5) , and they have low birth weight and shorter eyes as compared with full-term children (6,7) . …”

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confidence: 99%

The relationship of birth weight, gestational age, and postmenstrual age with ocular biometry parameters in premature infants

Özdemir¹,

Tunay²,

Acar³

et al. 2015

Arquivos Brasileiros De Oftalmologia

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Preterm birth is a significant public health concern, as it is associated with a high risk of infant mortality, various morbidities in both the neonatal period and later age, and significant socio-economic difficulties (1,2) . Prematurely born children are disadvantaged in terms of perinatal mortality and long-term growth (3)(4)(5) , and they have low birth weight and shorter eyes as compared with full-term children (6,7) . ABSTRACTPurpose: To analyze ocular biometry parameters and evaluate their relationship with gestational age, birth weight, and postmenstrual age in prematurely born infants. Methods:The right eyes of 361 premature infants born before the 36th gestational week were evaluated. Birth weight, gestational week, and gender were recorded. An A-scan Biometer was used for obtaining axial measurements, including anterior chamber depth, lens thickness, vitreous length, and total axial length. Results: Gestational age and birth weight values ranged from 23 to 36 weeks and from 560 to 2,670 g, respectively. The mean gestational age and birth weight were 30.8 ± 2.8 weeks and 1,497.9 ± 483.6 g, respectively. During the first examination (4-5 weeks of postnatal age), birth weight and gestational age of the infants correlated significantly and positively with lens thickness, vitreous length, and axial length (r>0.5, p<0.001), but not with anterior chamber depth (r<0.5). Increased vitreous and axial lengths correlated significantly with increasing postmenstrual age of the infants (r=0.669, p<0.001; r=0.845, p<0.001, respectively). Conclusions: Lens thickness, vitreous length, and axial length, but not anterior chamber depth, were significantly correlated with birth weight and gestational age. All four parameters increased with increasing postmenstrual age, with higher correlations for vitreous and axial lengths than for anterior chamber depth and lens thickness. It was concluded that axial elongation resulted primarily from increasing posterior chamber length. At present, ultrasound and optical biometry (partial coherence laser interferometry) are used to measure intraocular distances. Ho wever, eye measurements in newborns are only possible using ul tra sonic methods. Ultrasound biometry, commonly referred to as A-scan and B-scan, is utilized for diagnostic testing and biometric mea surements (8) . A-scan ultrasonography provides a one-dimensional measurement of length in the axial plane. Additionally, it facilitates the monitoring The relationship of birth weight, gestational age, and postmenstrual age with ocular biometry parameters in premature infants A relação entre o peso ao nascer, idade gestacional e idade pós-menstrual com a biometria ocular em bebês prematuros Keywords

show abstract

Screening for Retinopathy of Prematurity in a Large Tertiary Neonatal Intensive Care Unit in Turkey: Frequency and Risk Factors

Cited by 38 publications

References 31 publications

Retinopathy of prematurity: are we missing any infant with retinopathy of prematurity?

Retinopathy of prematurity: are we missing any infant with retinopathy of prematurity?

Analysis of the horizontal corneal diameter, central corneal thickness, and axial length in premature infants

The relationship of birth weight, gestational age, and postmenstrual age with ocular biometry parameters in premature infants

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