慢性疼痛と精神的健康の同時発生: 遺伝学的根拠に基づいた研究
Veronica Oro1, Mary C Davis2, Kathryn Lemery-Chalfant2
1Prevention Science Institute, University of Oregon.
まとめ
子供の慢性的な痛みと内在的な症状は 大きく異なりますが 遺伝的影響は同じです これらの発見は,若者のこれらの状態の根底にある共通の遺伝的負荷についての新しい洞察を提供します.
科学分野:
- 行動 の 遺伝
- 子どもの心理
- 発達精神科
背景:
- 慢性疼痛は一般的であり 否定的な結果と関連しています
- 精神疾患は 慢性的な痛みと共に 頻繁に起こります
- 両方の状態のエチオロジックメカニズムについては,さらなる調査が必要である.
研究 の 目的:
- 子供の慢性的な痛みと内在的な症状の遺伝的および環境的要因を調べる.
- これらの条件の独立したおよび同時発生のプレゼンテーションを調査します.
- 慢性疼痛の共通の病因と 幼児期における内在的な症状を理解する
主な方法:
- アリゾナ・ツイン・プロジェクトで 795人の子供 (399人の家族) のデータを利用した.
- サンプルには,性別,人種/民族,社会経済的地位に関する多様な人口統計が含まれていました.
- 遺伝的影響と環境的影響を評価するために双子の研究設計を採用した.
主要な成果:
- 慢性疼痛は高い遺伝性を示した (78%).
- 内化症状は中程度の遺伝性 (32%) と環境の影響 (50%) を示した.
- 共同遺伝因子で 慢性疼痛の9パーセントは 症状の内化に関連している.
結論:
- 慢性的な痛みと内在的な症状は 幼児期に顕著です
- 共通する遺伝的要因が これらの症状の同時発生に寄与します
- 結果は共通の遺伝的欠陥を強調し,年齢に関連する併発性の増加を示唆しています.
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