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広範型固定薬疹:システマティックレビュー
Li Yang Loo1, Nerice Ngiam2, Rehena Sultana3
1Department of Dermatology, Division of Medicine, Singapore General Hospital, Singapore.
The journal of allergy and clinical immunology. In practice
|January 15, 2026
まとめ
広範型固定薬疹(GBFDE)は、NSAIDsや抗生物質によって誘発されることが多い重篤な反応である。SJS/TENよりも重症度は低いものの、GBFDEは、特に高齢者において、かなりの死亡率を伴う。
科学分野:
- 皮膚科学
- ファーマコビジランス
- 内科学
背景:
- 広範型固定薬疹(GBFDE)は、生命を脅かす可能性のある重篤な皮膚薬物反応(SCAR)である。
- Stevens-Johnson症候群/中毒性表皮壊死症(SJS/TEN)との類似性にもかかわらず、GBFDEの包括的な特徴付けは不足している。
研究 の 目的:
- GBFDEの疫学、原因薬剤、臨床的特徴、組織像、転帰、管理に関するシステマティックレビューを実施する。
- 既存の文献に基づき、GBFDEの包括的な概観を提供する。
主な方法:
- Preferred Reporting Items for Systematic Reviews and Meta-Analyses(PRISMA)ガイドラインに準拠したシステマティックレビューを実施。
- PubMedおよびEmbaseデータベース(1985年~2024年10月)で、定量的データを含むGBFDEのオリジナル観察症例を検索。
- Newcastle-Ottawa Scaleを用いて研究の質を評価し、記述的および比較分析を実施。
主要な成果:
- 83件の研究、430例のGBFDE症例を収録。中央値年齢56歳。一般的な誘因は非ステロイド性抗炎症薬(NSAIDs、48.7%)および抗生物質(30.9%)。中央値潜伏期間24時間。死亡率は15.2%で、年齢と有意に関連。中央値回復期間11日。炎症後色素沈着が一般的(54.3%)。
結論:
- GBFDEは潜伏期間が短く、NSAIDsおよび抗生物質が頻繁な誘因となる。
- SJS/TENと比較して全身性関与は少ないが、罹患率および死亡率は高く、特に高齢者で顕著である。
- 市販のNSAIDsへのアクセス性は、GBFDEに対する公衆衛生上の潜在的リスクを表す。
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