Long-Term Oxygen Therapy for 24 or 15 Hours per Day in Severe Hypoxemia.
重度低氧血症的長期氧氣療法:每日24小時或15小時。
N Engl J Med 2024-09-10
一項多中心隨機對照試驗針對重度低氧血症患者,比較每天24小時與15小時的長期氧氣治療效果。研究招募241名患者,結果顯示兩組在住院或死亡風險上無顯著差異,事件發生率相似(每100人年124.7 vs. 124.5)。危險比為0.99,顯示24小時治療並未提供額外好處。因此,對於重度低氧血症患者,每天24小時的氧氣治療並不比15小時的治療更有效。
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