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頁籤選單縮合
題 名 | Cleft of the Lip and Palate in Twins=唇侸裂的雙胞胎研究 |
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作 者 | 林宜佳; 羅綸洲; 羅慧夫; 陳昱瑞; | 書刊名 | 長庚醫學 |
卷 期 | 22:1 1999.03[民88.03] |
頁 次 | 頁61-67 |
分類號 | 416.413 |
關鍵詞 | 唇侸裂; 雙胞胎研究; 一致率; Cleft lip and palate; Twin study; Concordance rate; |
語 文 | 英文(English) |
中文摘要 | 背景:唇�Z裂是臺灣常見的先天畸形之一。在大部份病人中,其發生的原因仍不 清楚。雙胞胎研究是一個評估遺傳和環境因素對於先天畸形影響的古典研究方式。 方法:共有37對患有唇�Z裂的雙胞胎包及一對三胞胎含於這個研究中,我們收集了有關於同 異卵決定及病因分析的臨床資料。 並且計算一致率( concordance rate )及遺傳指數( heritability index )。 結果:結果顯示,在所有雙胞胎中,一致率為26%;而在同卵雙胞胎中,則為57%,兩者皆 較白種人為高。遺傳指數為 53 %,也較其他的文獻報告為高。但是,環境因素的影響在本 研究中仍不能排除。 結論:研究結果指出,在我們的唇�Z裂病人中,遺傳因素在病因學中佔有重要的地位;但環 境因素的影響亦不能忽略。本研究支持唇�Z裂的發生可用多因素閾值模式 ( multifactorial threshold model )解釋。 |
英文摘要 | Background: Cleft lip and palate is one of the most common congenital anomalies in Taiwan. Its etiology remains unknown for the majority of the patients. The study of twins is a classic method for evaluating the relative roles of genetic and environmental factors in the formation of the anomaly. Methods: In this study, 37 pairs of twins and one set of triplets with cleft lip and palate were evaluated. Clinical data were collected for zygosity determination and analysis of eitologic factors. The concordance rate and heritability index were assessed. Results: The results showed that the concordance rate was 26% for all twins and 57% among the monozygotic pairs, which is higher than those rates for the Caucasian population. The heritability index was 53%, higher than the other reports as well. The influence of the environment could not be ruled out. Conclusion: The results confirm a strong genetic role in the etiology of clefts in our patients. Environmental factors were acting as well. The findings in this study support the multifactorial threshold model in the development of cleft lip and palate. |
本系統中英文摘要資訊取自各篇刊載內容。