統合失調症におけるQT間隔の延長:ライプールの高等保健センターからの横断研究
Mishthi Malani1, Shrayasi Das2, Anirban Saha2
1Department of Cardiology, †All India Institute of Medical Sciences Raipur, Chhattisgarh, India.
The Indian journal of medical research
|August 29, 2025
まとめ
抗精神病薬はQTインターバル延長 (QTIP) を引き起こし,危険な心臓病です. この研究では,安定した統合失調症患者のQTIPの流行率が低いことが示されましたが,定期的な心臓モニタリングは依然として推奨されています.
科学分野:
- 精神科
- 心臓病科
- 薬理学について
背景:
- 抗精神病薬はQTインターバル延長 (QTIP) を誘発することが知られている.
- QTIPは致命的な心律不整に繋がる可能性があります.
- 統合失調症の患者はしばしば抗精神病薬で治療され,彼らの心臓のリスクを理解する必要があります.
研究 の 目的:
- 外来治療を受けている安定した統合失調症患者のQTIPの流行を決定する.
- この集団における抗精神病薬の心臓安全性を評価する.
主な方法:
- 処方薬を受けている88人の安定した統合失調症患者 (年齢18歳以上) のコホートが登録されました.
- 電気心臓図 (ECG) が実施され,修正されたQT間隔はFridericiaとBazettの式を用いて計算された.
- 排除基準には,他の精神疾患,薬物依存症,QTIPリスク薬の同時使用が含まれていた.
主要な成果:
- QTIPは,Fridericiaの配方を使用した参加者の3. 4%と,Bazettの配方を使用した参加者の6. 8%で検出されました.
- QTIP患者とQTIP患者との間では,人口統計的,人体測定的,または臨床的変数の有意な差異は観察されなかった.
- この安定した統合失調症コホートにおける抗精神病薬によるQTIPの罹患率は低い.
結論:
- 安定した統合失調症患者における抗精神病薬誘発のQTIPはまれである.
- QTIPの罹患率は低いにもかかわらず,生命を脅かす心臓発作のリスクがあります.
- リスク要因の定期的なスクリーニングとECGの定期的なモニタリングは,有害な心的結果の予防に不可欠です.
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