Severe retinopathy of prematurity in infants &lt;30 weeks' gestation in New South Wales and the Australian Capital Territory from 1992 to 2002

Todd, David A; Wright, Alex; Smith, Jared

doi:10.1136/adc.2006.096479

Cited by 37 publications

(30 citation statements)

References 23 publications

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“…The importance of the influence of extreme prematurity on the incidence of severe ROP is also supported by the studies of Todd et al [15] and Haines et al [18] . Todd et al [15] found an increase in severe ROP in infants ! 25 weeks' gestation but a significant decrease in infants of 25-26 weeks' gestation.…”

Section: Discussionsupporting

confidence: 66%

“…Incidence of overall ROP was not available in these studies. Todd, however, found no [15] . No data on incidence of overall ROP were available.…”

Section: Discussionmentioning

confidence: 91%

“…Recently, several mainly population-based studies on the incidence of ROP have been performed, both retrospective and prospective [4][5][6][14][15][16] . Comparison of these studies with each other as well as with our study is difficult because entry criteria vary, as well as methods, survival rate and population demographics.…”

Section: Discussionmentioning

confidence: 99%

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Incidence of Retinopathy of Prematurity over the Last Decade in the Central Netherlands

et al. 2010

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Background and Objectives: To retrospectively analyze changes in incidence and risk factors of retinopathy of prematurity (ROP) over two periods, 10 years apart, in the central Netherlands. Methods: Data of 570 infants admitted between 2001 and 2005, screened for ROP according to the Dutch National guideline, were compared to those of 538 infants admitted between 1991 and 1995. Results: Incidence of ROP decreased significantly over the last decade (40.9% in 1991–1995 vs. 23.3% in 2001–2005, p < 0.001), together with incidence of severe ROP (stage ≧3) (3.3 vs. 1.2%, p < 0.05). In infants with a birth weight (BW) <1,000 g incidence of ROP dropped significantly (67.0 vs. 41.8%, p < 0.001), as well as incidence of severe ROP (8.1 vs. 3.0%, p < 0.05). For infants with a BW ≧1,000 g incidence of ROP also declined significantly (27.1 vs. 13.0%, p < 0.001), that of severe ROP remained unchanged (0.8 vs. 0.3%). In both periods gestational age, duration of artificial ventilation, small for gestational age (SGA) and postnatal steroids were independent risk factors for ROP. Conclusions: In the central Netherlands, incidence of ROP and severe ROP has significantly decreased, also in infants with BW <1,000 g. Risk factors remained unchanged.

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Section: Discussionsupporting

confidence: 66%

“…Incidence of overall ROP was not available in these studies. Todd, however, found no [15] . No data on incidence of overall ROP were available.…”

Section: Discussionmentioning

confidence: 91%

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Incidence of Retinopathy of Prematurity over the Last Decade in the Central Netherlands

et al. 2010

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“…1 As survival of the very preterm infant has increased in recent years, the incidence of severe ROP, which is associated with vision loss, is reported to be increasing. [2][3][4] Among factors suggested to have association with ROP, low gestational age and low birth weight are the strongest and most consistently identified risk factors. 1,5,6 As gestational age is a major contributor of birth weight and these two factors closely correlate, the respective causal relationship in the pathogenesis of ROP and the superiority between the two factors are unclear.…”

Section: Introductionmentioning

confidence: 99%

A co-twin study of the relative effect of birth weight and gestational age on retinopathy of prematurity

Woo

Park

Ahn

et al. 2011

Eye

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Purpose To determine the relative effect of birth weight and gestational age on retinopathy of prematurity (ROP) using preterm twin pairs discordant for birth weight. Methods This study was a retrospective cohort study including 55 consecutive twin pairs of 110 preterm infants (gestational age r33 weeks). The outcomes of ROP including occurrence (any stage), severe ROP (stage 3 or more), and clinically significant ROP requiring laser treatment were compared between twins with the lower birth weight from each pair and their co-twins with the higher birth weight. Using twin pairs having different birth weight and identical gestational age, the independent effects of prematurity and intrauterine growth on ROP could be evaluated. Other perinatal morbidities related to prematurity were also compared between twin pairs. Results No significant differences in ROP between larger and smaller infants were observed in the twin-paired analysis while analysis on individual infants showed strong association between small birth weight and ROP outcomes. However, in both the larger and smaller infant groups, gestational age of o28 weeks was significantly associated with ROP outcomes. No differences were found between twin pairs regarding other perinatal morbidities including bronchopulmonary dysplasia, respiratory distress syndrome, patent ductus arteriosus, intraventricular hemorrhage, and periventricular leukomalacia. Conclusions Birth weight is not associated with ROP, while gestational age is in the twin-paired study, suggesting that gestational age is a better predictor of ROP than birth weight. This indicates that maturity is more important in the pathogenesis of ROP than intrauterine growth.

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“…Children with the progressive ROP necessitate cryotherapy or laser photocoagulation. There are papers which report either increase or decrease in the number of infants treated for ROP in the last years [2,3].…”

Section: Introductionmentioning

confidence: 97%

The Role of Hemoglobin Variant Replacement in Retinopathy of Prematurity

Podraza

Jezierska

et al. 2011

Indian J Pediatr

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Severe retinopathy of prematurity in infants <30 weeks' gestation in New South Wales and the Australian Capital Territory from 1992 to 2002

Abstract: In infants

Cited by 37 publications

References 23 publications

Incidence of Retinopathy of Prematurity over the Last Decade in the Central Netherlands

Incidence of Retinopathy of Prematurity over the Last Decade in the Central Netherlands

A co-twin study of the relative effect of birth weight and gestational age on retinopathy of prematurity

The Role of Hemoglobin Variant Replacement in Retinopathy of Prematurity

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