境界性麻痺患者における1型反応の危険因子
P W Roche1, W J Theuvenet, W J Britton
1Mycobacterial Research Laboratory, Anandaban Leprosy Hospital, Kathmandu, Nepal.
Lancet (London, England)
|September 14, 1991
まとめ
神経損傷の主な原因であるハンセン病における1型反応は,IgM抗フェノリックグリコリピド-1 (PGL-1) 抗体によって予測されます. これらの抗体を持つ患者の早期モニタリングは,障害を予防することができます.
科学分野:
- 免疫学 免疫学とは
- 感染症 感染症は感染症です.
- 皮膚科 皮膚科について
背景:
- 1型反応は,麻痺患者における神経損傷と障害の重要な原因である.
- 1型反応の予測マーカーを特定することは,適切な介入と長期的な合併症の予防に不可欠です.
研究 の 目的:
- 麻痺患者における1型反応のリスクの増加を予測する臨床および検査用マーカーを特定する.
- 特定のミコバクテリアの抗体に対する血清陽性性と1型反応の発生との関連を調査する.
主な方法:
- ネパール人の境界性麻痺患者136人のコホートは,多剤療法の最初の2年間,タイプ1の反応をモニターした.
- 血清サンプルから,フェノール・グリコリピド-1 (PGL-1),リポアラビノナンン,およびMycobacterium lepraeの35 kDaのタンパク質に対する抗体を分析した.
- レプロミン試験は,患者のサブセットで実施されました.
主要な成果:
- 31%の患者が1型反応を発症した. IgMの抗PGL-1抗体に対する血清陽性性は,その後の1型反応と有意に関連していた (p < 0.001).
- 1型反応を発症した患者は,PGL-1に対するIgM抗体の濃度が著しく高かった.
- IgM anti-PGL-1 陽性性は,麻痺のクラス,皮膚スプレーの陽性性,および他の抗体を考慮しても,タイプ-1 反応の独立した危険因子でした. プラスのレプロミン反応性と組み合わせると,78%の症例で反応を予測した.
結論:
- IgM anti-PGL-1抗体の血清陽性性は,ハンセン病患者の1型反応の強い予測因子である.
- IgM anti-PGL-1抗体とレプロミン反応性の陽性を持つ患者は,治療中に注意深くモニタリングする必要があります.
- これらの患者の早期発見と抗炎症治療は,神経損傷と障害を最小限に抑えることができます.
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