Острый респираторный дистресс-синдром у детей как системный патологический процесс

   Педиатрический острый респираторный дистресс-синдром (ПОРДС) остаётся одной из наиболее сложных и клинически значимых форм острой дыхательной недостаточности (ОДН) в педиатрической интенсивной терапии. Высокая вариабельность клинического течения, ограниченность эффективности стандартных респираторных стратегий и неблагоприятные исходы у части пациентов указывают на неполноту традиционных патогенетических представлений, основанных преимущественно на альвеолярно-воспалительной модели. В статье рассматривается ПОРДС как системный патологический процесс, в основе которого лежит последовательное вовлечение микроциркуляторных, энергетических и регуляторных механизмов.

   Особое внимание уделено роли эндотелиальной дисфункции, нарушению тканевой перфузии и митохондриальной недостаточности как ключевым факторам формирования энергетического дефицита и ограничения обратимости патологического процесса.

   Показано, что гипоксемия и ОДН в данной парадигме выступают клиническими проявлениями более глубинного гипоксически-ишемического каскада с поражением лёгких и центральной нервной системы. Представленная концепция имеет практическое значение для углублённого понимания патогенеза, стратификации тяжести состояния и оценки прогноза при ПОРДС.

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