Early detection of developmental dysplasia of the hip in The Netherlands: the validity of a standardized assessment protocol in infants.

Boere-Boonekamp, Magdalena M.; Kerkhoff, T.H.; Schuil, Paul B.; Zielhuis, Gerhard A.

doi:10.2105/ajph.88.2.285

Cited by 34 publications

(43 citation statements)

References 10 publications

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“…In Table 6 the results of our study are compared with data on PPV and false positives published in studies on the following screening programmes: screening for phenylketonuria (PKU) and congenital hypothyroidism (CHT) by neonatal blood examination,5 6 screening for perceptive hearing impairments with the Ewing distraction test,7 screening for congenital heart malformations by physical examination,8 screening for idiopathic adolescent scoliosis by the standard forward bending test,9 and screening for developmental dysplasia of the hip by detection of limitations of hip abduction and differences in the length of the legs 10. The data are presented in order of increasing incidence of the relevant disorder.…”

Section: Discussionmentioning

confidence: 99%

The Rotterdam AMblyopia Screening Effectiveness Study (RAMSES): compliance and predictive value in the first 2 years

Juttmann

2001

British Journal of Ophthalmology

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Background-RAMSES is a 7 year follow up study, aiming at the evaluation of the eVectiveness and the eYciency of screening for amblyopia. In this first report, concerning the first 2 years of life, the compliance with the prevention programme and the positive predictive value (PPV) of the screening tests used, are presented. Methods-All results of the standardised screening test for strabismus, applied by child healthcare physicians, within a birth cohort of 4072 Rotterdam children at the age of 9, 14, and 24 months, were registered. Children with a positive test result were referred to their general practitioner, who was asked to arrange a definitive referral to an ophthalmological centre. The results of the examinations at these centres were registered in standardised forms and served as reference for establishing the PPV. Results-The screening was (at least one time) attended by 3958 children (97%). 160 of these children (4%) were referred, of whom 101 (64%) visited an ophthalmological centre, so that a conclusive diagnostic evaluation was possible. For amblyopia, the predictive value of a positive test result followed by an eVective referral was 0.42. Conclusion-Referral procedures after a positive test result in the Dutch child healthcare screening programme for amblyopia need to be improved. The Dutch screening test used to detect amblyopia exhibits a relatively favourable PPV. (Br J Ophthalmol 2001;85:1332-1335

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Section: Discussionmentioning

confidence: 99%

The Rotterdam AMblyopia Screening Effectiveness Study (RAMSES): compliance and predictive value in the first 2 years

Juttmann

2001

British Journal of Ophthalmology

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“…Consistently, only a minority (10 -27%) of all infants diagnosed with DDH in population-based studies have identified risk factors (with the exception of female gender), 30,32,33,35 and among those with risk factors, between 1% and 10% have DDH. 30,33,35 This wide range illustrates the impact of the reference standard on the relative importance of risk factors. Those studies with a more strict standard for diagnosing "true" DDH (eg, limited to those patients who receive treatment) demonstrate substantially lower rates of DDH among those with risk factors.…”

Section: Keymentioning

confidence: 94%

“…Primary care-based and population-based cohort studies [26][27][28][29][30][31][32][33][34][35][36] that include Ն1 of the major risk factors are summarized in Table 1. Consistently, only a minority (10 -27%) of all infants diagnosed with DDH in population-based studies have identified risk factors (with the exception of female gender), 30,32,33,35 and among those with risk factors, between 1% and 10% have DDH.…”

Section: Keymentioning

confidence: 99%

Screening for Developmental Dysplasia of the Hip: A Systematic Literature Review for the US Preventive Services Task Force

Shipman¹,

et al. 2006

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“…Instead, children are screened much later during periodic physical examinations in the child health care programme, which include assessment of the abduction range of the hips and the length of the legs 11. In the Sophia Childrens Hospital in Rotterdam, treatment policy is expectant: splinting is postponed until spontaneous recovery has become very unlikely.…”

Section: Examples Of Patient Follow Up Screening Evaluations In Childmentioning

confidence: 99%

Patient follow up screening evaluations. Examples with regard to congenital hip dislocation and congenital heart disease

Juttmann

2001

Journal of Epidemiology &Amp; Community Health

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Objective-To discuss the merits of the patient follow up study design for the evaluation of some specific mass screening programmes. Design-Theoretical evaluation illustrated by two examples. Setting-Department of Public Health Erasmus University Rotterdam.Main results-The gold standard for evaluation of favourable eVects of screening is the randomised controlled trial (RCT). Application of an RCT, however, is often not feasible, in which cases observational studies will have to be relied on. The case-control study design is generally considered to be second best. In some situations, however, a patient follow up study design may be applicable and may have some major advantages. The use of the patient follow up design for screening evaluation will often be very problematic or even unacceptable, particularly as far as screening for cancer is concerned. The most important objections are resulting from lead time bias, length bias, selection bias and over-treatment bias. For the evaluation of screening for congenital heart disease and congenital hip dislocation in Dutch child health care, however, these objections may relatively simply be overcome. Lead time bias will be of little importance, as the ages of onset of these disorders are fixed, namely at birth, and their ultimate outcomes may be expected within relatively short time. Length bias may largely be avoided by correction for severity of the disorder, which can be adequately assessed by modern diagnostic procedures. Selection bias is generally hard to rule out, but in these cases it probably plays a minor part. Over-treatment can be avoided by the policy of "watchful waiting", which in these disorders can be applied with little risk for fatal outcomes. In principle bias might be avoided more successfully in a case-control screening evaluation than in a patient follow up study. However, the patient follow up study is for both screening programmes discussed here the more feasible design and can provide more supplementary information. The results of two example studies suggest that both screenings probably yield considerable benefits Conclusion-Under a number of specific conditions a patient follow up study is an eYcient alternative to more customary designs for screening evaluation.

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Early detection of developmental dysplasia of the hip in The Netherlands: the validity of a standardized assessment protocol in infants.

Cited by 34 publications

References 10 publications

The Rotterdam AMblyopia Screening Effectiveness Study (RAMSES): compliance and predictive value in the first 2 years

The Rotterdam AMblyopia Screening Effectiveness Study (RAMSES): compliance and predictive value in the first 2 years

Screening for Developmental Dysplasia of the Hip: A Systematic Literature Review for the US Preventive Services Task Force

Patient follow up screening evaluations. Examples with regard to congenital hip dislocation and congenital heart disease

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