High-Flow Nasal Cannula in Hypercapnic Respiratory Failure: An Updated Systematic Review and Meta-Analysis.

Clin Respir J · 2026 · PMC13323174 · PMID 42387305

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did not reach statistical significanceno p-value reported

These benefits were most evident in patients with higher baseline PaCO 2 levels (≥ 60 mmHg) and did not reach statistical significance in those with PaCO 2 < 60 mmHg.

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