Related Experiment Videos
Epidemiology of limb-body wall complex in Japan
K Kurosawa1, K Imaizumi, M Masuno
1Division of Medical Genetics, Kanagawa Children's Medical Center, Yokohama, Japan.
Insights
Limb-body wall complex, a severe birth defect, affects body and limb development. This study found its incidence and characteristics consistent with prior research, with no identified causes in the monitored population.
Area of Science:
- Medical Genetics
- Developmental Biology
- Epidemiology
Background:
- Limb-body wall complex (LBWC) is a rare and severe congenital malformation.
- It involves defects of the body wall, limbs, and craniofacial structures.
- Understanding its epidemiology is crucial for public health and research.
Purpose of the Study:
- To determine the incidence and spectrum of limb-body wall complex.
- To analyze epidemiological data from a population-based registry.
- To identify potential risk factors or teratogenic agents associated with LBWC.
Main Methods:
- Utilized data from the Kanagawa Birth Defects Monitoring Program (1982-1991).
- Ascertained 11 infants diagnosed with limb-body wall complex.
- Calculated incidence based on total births during the study period.
Main Results:
- The incidence of LBWC was approximately 1 in 428,599 births.
- Observed defects and their spectrum were comparable to findings in other international studies.
- Parental ages did not show significant differences from the general population.
- No specific teratogenic agents or environmental factors were identified.
Conclusions:
- The epidemiology of limb-body wall complex in the Kanagawa region aligns with global data.
- Further research is needed to elucidate the etiology of this complex malformation.
- Prenatal diagnosis was common in the studied cases.
Abstract:
Limb-body wall complex is a malformation of body and limbs with craniofacial defects. We describe here the epidemiology of this complex using the population-based registry data in the Kanagawa Birth Defects Monitoring Program during the period 1982-1991. Eleven infants (11/428,599 births) with the complex were ascertained in the study. The incidence and spectrum of the defects observed in our cases were similar to those of other studies. The parental ages in the study group were not significantly different from those in the general population. No teratogenic agents and factors were identified in the present study. Most cases were diagnosed prenatally.