Mortality and morbidity in extremely preterm infants (22 to 26 weeks of gestation): Austria 1999–2001

Weber, Christina; Weninger, M.; Klebermass, K.; Reiter, Gernot; Wiesinger-Eidenberger, G; Brandauer, Mathias; Kraschl, Raimund; Lingitz, Karl; Graßl-Jurek, Renate; Sterniste, W.; Balluch, Bernd; Kolmer, Micha; Brückner, R.; Schweintzger, Gerolf; Salzer, Hans; Rath, Irene; Kubitsch, Peter; Zissler, Werner; Müller, Wilhelm; Urlesberger, Berndt

doi:10.1007/s00508-005-0468-y

Cited by 36 publications

(39 citation statements)

References 28 publications

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“…Recent reports from other countries regarding prognosis show a survival rate of 0% [15,16] , 1% [2] , 4.5% [13,17] , 10% [8] , and 17% [18] , which are even lower than those in Japan. However, there were no uniform criteria among these reports with regard to subjects and death, with cases where resuscitation was not proactively carried out excluded from some reports, and other cases where only those admitted to a NICU were included, death being only recorded if it occurred in the hospital, or death defined according to the records at the age of 1 year.…”

Section: Discussionmentioning

confidence: 96%

Neurodevelopmental Outcomes at 18 Months’ Corrected Age of Infants Born at 22 Weeks of Gestation

Sugiura

Kouwaki²,

Togawa³

et al. 2011

Neonatology

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Background: Increased survival rates for extremely low birth weight infants have been reported. However, survival rates and prognoses of extremely preterm infants, such as infants born at 22 weeks of gestation, are still poor. Objective: To investigate such infants’ long-term outcomes, developmental assessments were performed. Methods: Seven infants with gestational age of 22 weeks were delivered in our hospital from 2005 to 2008. One infant was a stillbirth despite resuscitation in the delivery room. Six infants, 4 boys and 2 girls, with a gestational age of 22 weeks (range 22³/₇–22⁶/₇ weeks), were admitted to the neonatal intensive care unit (NICU). Birth weights ranged from 514 to 710 g. None of the infants suffered from sepsis, necrotizing enterocolitis, or severe intraventricular hemorrhage. Results:The survival rate was 85.7% (6/7) as a percentage of deliveries and 100% (6/6) as a percentage of NICU admissions. None of the infants suffered from deafness, blindness, cerebral palsy, or epilepsy. Six infants were available for developmental assessments at 18 months’ corrected age. Three infants showed normal developmental quotients, and 3 infants showed developmental delay. Conclusion: In our study, all infants admitted to the NICU at a gestational age of 22 weeks were discharged from the hospital alive. This might suggest that infants after 22 weeks’ gestation be considered eligible for active treatment in Japan, though considering the size of the material, generalizibility of the results cannot be considered guaranteed.

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Section: Discussionmentioning

confidence: 96%

Neurodevelopmental Outcomes at 18 Months’ Corrected Age of Infants Born at 22 Weeks of Gestation

Sugiura

Kouwaki²,

Togawa³

et al. 2011

Neonatology

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“…Case reports on premature infants successfully managed with renal replacement therapy are rare. The viability of preterm infants, especially those with very low birth weight and gestational age, has improved during recent decades as a result of advances in therapeutic strategies and knowledge [22,23].…”

Section: Discussionmentioning

confidence: 99%

Renal failure, comorbidity and mortality in preterm infants

Csaicsich

Russo-Schlaff

Messerschmidt

et al. 2008

Wien Klin Wochenschr

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“…Nordmark et al 7 presented the lowest event rate of 7.3% (CI 4.3-12.1) and Weber et al 21 05). However, the difference was not significant between infants born at 24, 25, and 26 weeks (Table II).…”

Section: Event Rate and Logistic Regression Of Extremely Preterm Infamentioning

confidence: 95%

“…2 Registers of childhood impairments and large population-based studies in Europe, [3][4][5][6][7][8] Japan, 9 and North America 10 monitored trends in rates of CP according to GA but focused mainly on the diagnosis of CP as a parameter reflecting the quality of perinatal care. Other studies were very fractionized and focused mostly on extremely and very preterm infants [11][12][13][14][15][16][17][18][19][20][21][22] but failed to present an overview of all age categories. In contrast, in these latter studies regarding extremely preterm infants, the presented prevalence rates of CP for each week of gestation are rather inconsistent and do not subscribe to the assumption that increasing GA results in decreasing rates of CP.…”

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confidence: 99%

Prevalence, type, distribution, and severity of cerebral palsy in relation to gestational age: a meta‐analytic review

Himpens

Broeck

Oostra

et al. 2008

Develop Med Child Neuro

266

155

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The aim of this review is to determine the relationship between gestational age (GA) and prevalence, type, distribution, and severity of cerebral palsy (CP). Epidemiological studies with cohorts expressed by GA were assessed. A comprehensive meta-analysis and metaregression was performed on four fetal age categories. Studies of children with CP as a target population were added. Twenty-six articles met the inclusion criteria. The prevalence of CP decreases significantly with increasing GA category: 14.6% at 22 to 27 weeks' gestation, 6.2% at 28 to 31 weeks, 0.7% at 32 to 36 weeks, and 0.1% in term infants. Interestingly, a significant decrease in prevalence of CP starts only from a GA of 27 weeks onwards. In preterm infants, spastic CP is predominant. In term infants, the non-spastic form of CP is more prevalent than in preterm infants. Bilateral spastic CP is most prevalent in both preterm and term infants. However, the proportion of unilateral spastic CP in term infants is substantial. No relationship could be detected between severity of CP and GA. There is a strong need for an international, well-described, and generally accepted classification system for subtypes and severity of CP.Cerebral palsy (CP) is one of the most common and well-recognized neurodevelopmental conditions, beginning in early childhood and persisting through the lifespan. 1 It is generally accepted that the risk of CP decreases with increasing gestational age (GA) of live-born infants. 2 Registers of childhood impairments and large population-based studies in Europe, [3][4][5][6][7][8] Japan, 9 and North America 10 monitored trends in rates of CP according to GA but focused mainly on the diagnosis of CP as a parameter reflecting the quality of perinatal care. Other studies were very fractionized and focused mostly on extremely and very preterm infants 11-22 but failed to present an overview of all age categories. In contrast, in these latter studies regarding extremely preterm infants, the presented prevalence rates of CP for each week of gestation are rather inconsistent and do not subscribe to the assumption that increasing GA results in decreasing rates of CP.In this meta-analysis we reveal the characteristics of the association between GA and CP. While exploring prevalence rates of CP in relation to GA, we found in several articles a link between GA and type and distribution of CP. Therefore, we looked for a relationship between GA and the characteristics of CP; specifically the type, distribution, and severity of CP. Method SEARCH STRATEGY AND STUDY SELECTIONTo explore the association between GA and the prevalence of

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Mortality and morbidity in extremely preterm infants (22 to 26 weeks of gestation): Austria 1999–2001

Abstract: The results of this national study are in accordance with the international literature: mortality and morbidity increased with decreasing gestational age.

Cited by 36 publications

References 28 publications

Neurodevelopmental Outcomes at 18 Months’ Corrected Age of Infants Born at 22 Weeks of Gestation

Neurodevelopmental Outcomes at 18 Months’ Corrected Age of Infants Born at 22 Weeks of Gestation

Renal failure, comorbidity and mortality in preterm infants

Prevalence, type, distribution, and severity of cerebral palsy in relation to gestational age: a meta‐analytic review

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