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PubMed · 8322808

Amniotic band sequence and limb defects: data from a population-based study.

U G Froster·P A Baird
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Abstract

Cases with amniotic bands were analysed separately as part of an ongoing study of limb defects occurring among 1,213,913 liveborn infants in British Columbia during the years 1952 to 1984. A total of 24 cases with this specific condition was identified among 659 cases with limb defects. The calculated incidence for amniotic band sequence with significant limb involvement was 0.19 in 10,000 livebirths. This is a minimal incidence, as cases without defects of the limbs, but with constriction rings were not identified with this approach. Familial cases and cases with additional anomalies were found.

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Amniotic Band SyndromeBritish ColumbiaEctromeliaFemaleFoot Deformities, CongenitalHand Deformities, CongenitalHumansIncidenceInfant, NewbornLimb Deformities, CongenitalMaleJournal ArticleResearch Support, Non-U.S. Gov't

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U G Froster, P A Baird. 1993-06-15. Amniotic band sequence and limb defects: data from a population-based study.. https://doi.org/10.1002/ajmg.1320460507

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PubMed1997

Application of the IFSSH(3)-classification for congenital anomalies of the hand; results and problems.

The extended classification proposed by the IFSSH was used to classify 1013 hand anomalies in 925 hands of 650 patients. We found associated anomalies in 26.7%. The classification was straightforward in 86%, difficult in 6.6% and not possible in 7.8%. In group I the radial and ulnar deficiencies, limited to the hand and without forearm deficiencies should be included. Group II was the most important group including 513 anomalies. We propose to include in this group the Madelung deformity, the Kirner deformity and congenital trigger fingers and trigger thumbs. Triphalangeal thumbs are a problem, we suggest to list this anomaly in group III and to consider it as a duplication in length. It is not always possible to evaluate the (transverse) absence of the fingers or hand. Longitudinal deficiencies (group IIB), symbrachydactyly group (V) and amniotic bands (group VI) occasionally develop a phenotype similar to the genuine transverse deficiency (group IA).

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