小さい関節,大きなヒント: 遅発のストレプトコッカス・アガラクチア・セプシスの希少なプレゼンテーションとしての新生児性多関節炎

Vijayalaxmi Tiwari¹, Karteeka Chichhal¹, Yasha Mukim¹

¹Microbiology, Employees' State Insurance Corporation (ESIC) Medical College and Hospital, Faridabad, IND.

Cureus

|August 20, 2025

まとめ

グループBのストレプトコッカスは,希少な新生児性多動性関節炎を引き起こす可能性があります. 新生児の早期診断と治療は完全回復につながり,非典型的なGBS感染を認識する際の警戒の必要性を強調しました

科学分野:

新生児医学
感染症
小児関節病学

背景:

新生児の罹病率と死亡率の主な原因である.
遅発のGBS疾患 (LOGBS) は,一般的にバクテレミアまたは髄膜炎として現れます.
セプティック多関節炎などの骨関節感染症は,LOGBSの希少だが重篤な合併症である.

研究の目的:

新生児のセプティック多関節炎を報告する
非典型的なGBSの症状を認識する重要性を強調する.
よい結果を出すための重要な管理戦略を強調する.

主な方法:

28日目の新生児の症例報告性関節炎の疑い
診断手順には,超音波検査,関節液抽出,グラムステイン,細菌培養が含まれていました.
治療には,標的型抗生物質療法と手術による関節排水が含まれていました.
リンパ球のサブセットを評価するために免疫フェノタイプ化が行われました.

主要な成果:

B群のストレプトコッカス (S. agalactiae) が病原体であると確認された.
新生児は膝と肩の腫れ,刺激性,食事の困難を呈した.
セフトリアキソン,バンコマイシン,そして外科的排水による治療は,完全な臨床回復をもたらした.
免疫の脆弱性を示唆するBリンパ球の減少が観察されました.

結論:

セプティック多関節炎は稀ですが,LOGBSの重要な表現であり,迅速な認識が必要です.
早期の微生物学的診断,感受性に基づく抗生物質療法,そして手術による介入は,最適な結果を出すために極めて重要です.
GBS感染の新生児の潜在的免疫機能不全は,さらなる調査とフォローアップを必要とする.

キーワード:

bリンパ球の枯渇グラム陽性コック新生児の遅発性セプシス小児性性関節炎ストレプトコッカス・アガラクティエ

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