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Objective To introduce the Korean Database of Cerebral Palsy (KDCP) and to provide the first report on characteristics of subjects with cerebral palsy (CP). Methods The KDCP is a nationwide database of subjects with CP, which includes a total of 773 subjects. Characteristics such as demography, birth history, onset and type of CP, brain magnetic resonance imaging (MRI) findings, functional ability and accompanying impairments, were extracted and analyzed. Results Preterm delivery and low birth weight were found in 59.51% and 60.28% of subjects, respectively. Postnatally acquired CP was 15.3%. The distribution of CP was 87.32%, 5.17%, and 1.81% for spastic, dyskinetic, and ataxic types, respectively. Functional ability was the worst in dyskinetic CP, as compared to other types of CP. Speech-language disorder (43.9%), ophthalmologic impairment (32.9%), and intellectual disability (30.3%) were the three most common accompanying impairments. The number of accompanying impairments was elevated in subjects with preterm birth and low birth weight. Brain MRI showed normal findings, malformations, and non-malformations in 10.62%, 9.56%, and 77.35% of subjects, respectively. Subjects with normal MRI findings had better functional ability than subjects with other MRI findings. MRI findings of a non-malformation origin, such as periventricular leukomalacia, were more common in subjects with preterm birth and low birth weight. Conclusion The KDCP and its first report are introduced in this report, wherein the KDCP established agreement on terminologies of CP. This study added information on the characteristics of subjects with CP in South Korea, which can now be compared to those of other countries and ethnicities. [ABSTRACT FROM AUTHOR]

Evaluation of the nasal bone and nasal pyramid is essential for the correct osteotomy. The shape of the nasal bone and nasal pyramid of Korean subjects were analyzed using a three-dimensional computed tomography (CT). This study includes 75 patients who visited Inha University Hospital and got a three-dimensional CT from October 2005 to June 2006 (58 males, 17 females, mean age of 33.1 years). The thickness of the bone at the nasomaxillary suture as well as between the rhinion and nasomaxillary suture, on which a lateral osteotomy was performed, was measured. In addition, the length of the nasal bone and the width of pyriform aperture were measured. The morphology of the nasal bone was classified from A to E type, according to Hwang’s method. The subjects included 58 males and 17 females with a mean age of 33.1 years. The mean thickness of the lateral osteotomy point is 2.03 ± 0.35 mm and that of the medial osteotomy point is 1.75 ± 0.37 mm. The mean length of the nasal bone is 20.95 ± 5.99 mm. The number of patients with a long nasal bone (more than 25 mm) is 14.7% (11/75). The most common morphology of the nasal bone is A type and there is no D or E type. Since there is no significant difference in the thickness of the nasal bone at the lateral and intermediate osteotomy point, the same strength should be used to perform the correct lateral and intermediate osteotomy. However, the actual lateral osteotomy is performed at a more lateral position than the nasomaxillary suture, which is our standard of measurement. So, using more power in the lateral osteotomy should be considered. There were nine patients with a long nasal bone in this study. For these patients, better results with percutaneous transverse osteotomy could be expected. [ABSTRACT FROM AUTHOR]