{"id":29972,"date":"2026-03-09T04:17:00","date_gmt":"2026-03-08T20:17:00","guid":{"rendered":"https:\/\/csccm.org.cn\/?p=29972"},"modified":"2026-03-09T06:19:24","modified_gmt":"2026-03-08T22:19:24","slug":"intensive-care-med%e5%8f%91%e8%a1%a8%e7%bb%bc%e8%bf%b0%ef%bc%9aards%e7%9a%84%e6%b2%bb%e7%96%97","status":"publish","type":"post","link":"https:\/\/csccm.org.cn\/?p=29972","title":{"rendered":"[Intensive Care Med\u53d1\u8868\u7efc\u8ff0]\uff1aARDS\u7684\u6cbb\u7597"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">The medical management of acute respiratory distress syndrome<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Idunn S. Morris,\u00a0Marcelo Amato,\u00a0Elias Baedorf Kassis,\u00a0et al<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">Intensive Care Med 2025<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">https:\/\/doi.org\/10.1007\/s00134-025-08251-y<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Non-invasive respiratory support<\/strong><\/td><\/tr><tr><td>Non-invasive ventilation<\/td><\/tr><tr><td>&nbsp;Commence early in patients with mild\u2013moderate ARDS&nbsp;If available, helmet over face mask NIV may be better tolerated&nbsp;Uptitrate PEEP, aiming to optimise the work of breathing&nbsp;Titrate pressure support to target Vt 6\u20138&nbsp;ml\/kg PBW&nbsp;Monitor closely for changes in tidal volume, minute ventilation, acid\u2013base, work of breathing, hypoxaemia, and haemodynamics&nbsp;Assess success or failure of strategy within 1\u20132&nbsp;h of commencement&nbsp;Do not delay intubation when indicated, otherwise continue to review frequently<\/td><\/tr><tr><td>High-flow oxygen<\/td><\/tr><tr><td>&nbsp;Commence early in patients with mild ARDS&nbsp;Consider high-flow oxygen preferentially over NIV in patients with high sputum load&nbsp;Target flows 40\u201360 L\/min, as tolerated<\/td><\/tr><tr><td><strong>Invasive mechanical ventilation<\/strong><\/td><\/tr><tr><td>Tidal volume<\/td><\/tr><tr><td>&nbsp;Target Vt 6 (4\u20138) ml\/kg PBW&nbsp;If&nbsp;&nbsp;P\u2009\u2265\u200916 cmH<sub>2<\/sub>O (after PEEP optimisation), consider targeting lower (4\u20136&nbsp;ml\/kg PBW) range if RR and acid\u2013base allow&nbsp;If known or high risk for RV dysfunction (see below) and acid\u2013base allows (minimise hypercapnoea), target 4\u20136&nbsp;ml\/kg PBW to reduce mean airway pressure<\/td><\/tr><tr><td>Plateau pressure<\/td><\/tr><tr><td>&nbsp;During passive ventilation, target Pplat\u2009&lt;\u200930 cmH<sub>2<\/sub>O&nbsp;If high pleural pressures present (e.g. abdominal distension, central obesity), higher Pplat may be appropriate (e.g. 30\u201335 cmH<sub>2<\/sub>O); consider use of oesophageal manometry if available&nbsp;If known or high risk for RV dysfunction, following PEEP optimisation, target Pplat\u2009&lt;\u200926\u201328 cmH<sub>2<\/sub>O, or as low as safely able<\/td><\/tr><tr><td>Positive end-expiratory pressure<\/td><\/tr><tr><td>&nbsp;PEEP\u2013FiO<sub>2<\/sub>&nbsp;table reasonable starting point immediately following intubation, prior to assessment of respiratory mechanics, recruitability, and personalised PEEP titration&nbsp;Lower range of PEEP\u2013FiO<sub>2<\/sub>&nbsp;table if non-recruitable and concerns for RV or ICP, higher range if anticipating high pleural pressures (e.g. abdominal distension, central obesity)&nbsp;Assess recruitability and benefit of higher PEEP in moderate\u2013severe ARDS&nbsp;Avoid high-PEEP strategy in patients with mild and\/or focal ARDS&nbsp;Create and follow local guidelines on PEEP assessment based on local tools and expertise&nbsp;Reassess optimal PEEP regularly, to include change in clinical status and\/or following new intervention that may alter respiratory mechanics (e.g. prone position, NMBA)<\/td><\/tr><tr><td>Controlled mode<\/td><\/tr><tr><td>&nbsp;Volume or pressure targeted mode as per familiarity of the clinician and unit&nbsp;Consider hybrid mode (e.g. assist control) upfront to aid patient\u2013ventilator synchrony&nbsp;Set appropriate pressure and volume alarms as per targets determined above<\/td><\/tr><tr><td>Oxygen targets<\/td><\/tr><tr><td>&nbsp;Target SpO<sub>2<\/sub>&nbsp;90\u201395% and\/or PaO<sub>2<\/sub>&nbsp;60\u201380&nbsp;mmHg&nbsp;Higher end of target range desirable in patients with acute RV dysfunction<\/td><\/tr><tr><td>Permissive hypercapnoea<\/td><\/tr><tr><td>&nbsp;Maintain pH\u2009&gt;\u20097.25&nbsp;In patients with or at risk of RV dysfunction, tolerance of a permissive hypercapnoea requires serial assessment of haemodynamics and RV function<\/td><\/tr><tr><td><strong>Non-ventilatory management<\/strong><\/td><\/tr><tr><td>Prone positioning<\/td><\/tr><tr><td>&nbsp;Early (&lt;\u200936&nbsp;h from invasive mechanical ventilation and ARDS diagnosis) in patients with PaO<sub>2<\/sub>\/FiO<sub>2<\/sub>\u2009&lt;\u2009150&nbsp;mmHg on optimised PEEP and FiO<sub>2<\/sub>\u2009\u2265\u20090.6&nbsp;Daily sessions\u2009\u2265\u200912&nbsp;h per day, continuing until PaO<sub>2<\/sub>\/FiO<sub>2<\/sub>\u2009\u2265\u2009150&nbsp;mmHg, PEEP\u2009\u2264\u200910 cmH<sub>2<\/sub>O and FiO<sub>2<\/sub>\u2009\u2264\u20090.6 for\u2009\u2265\u20094&nbsp;h after supination&nbsp;Lack of observable benefit (oxygenation or other) is not an indication to discontinue prone positioning. Discontinue only if safety concerns develop (significant haemodynamic instability, worsening respiratory mechanics, etc.)&nbsp;Neuromuscular blockade is not required by default, but may be appropriate in some cases<\/td><\/tr><tr><td>Neuromuscular blockade<\/td><\/tr><tr><td>&nbsp;Consider in early (&lt;\u200948&nbsp;h) severe (PaO<sub>2<\/sub>\/FiO<sub>2 \u2264<\/sub>100&nbsp;mmHg) ARDS with hypoxaemia&nbsp;Use in moderate\u2013severe ARDS (PaO<sub>2<\/sub>\/FiO<sub>2 \u2264<\/sub>150&nbsp;mmHg) with an indication for deep sedation (patient\u2013ventilator dyssynchrony and\/or high respiratory drive and effort)&nbsp;Use if impaired respiratory mechanics, after a trial bolus favouring potential benefit&nbsp;Review cessation at 48&nbsp;h<\/td><\/tr><tr><td>Steroids<\/td><\/tr><tr><td>&nbsp;Use if indicated by other pathology with proven or likely benefitInsufficient evidence to support routine use in ARDS<\/td><\/tr><tr><td>Fluid management<\/td><\/tr><tr><td>&nbsp;In patients without shock, a conservative fluid strategy (targeting neutral cumulative fluid balance) initiated early is preferred over diuresis later<\/td><\/tr><tr><td><strong>Cardiorespiratory monitoring<\/strong><\/td><\/tr><tr><td>Ventilation: non-invasive<\/td><\/tr><tr><td>&nbsp;Clinical assessment of work of breathing and dyspnoea score&nbsp;RR, Vt, minute ventilation, consciousness, heart rate, andblood pressure&nbsp;Oxygenation and acid\u2013base assessment (continuous SpO<sub>2<\/sub>&nbsp;monitoring and intermittent blood gas analysis)&nbsp;Assess circuit leaks, patient tolerance, and pressure areas<\/td><\/tr><tr><td>Ventilation: invasive<\/td><\/tr><tr><td>&nbsp;Passive: PEEPt, Pplat,&nbsp;P (computed from Pplat\u2013PEEPt), Vt (adjusted to PBW), RR&nbsp;Spontaneous efforts; Vt, RR, magnitude of efforts (local institution dependent), patient\u2013ventilator synchrony by ventilator waveform analysis and\/or invasive monitoring (e.g. oesophageal manometry)&nbsp;All: continuous pulse oximetry and end-tidal CO<sub>2<\/sub>&nbsp;monitoring where available, correlate with intermittent blood gas analysis as indicated<\/td><\/tr><tr><td>Right ventricle<\/td><\/tr><tr><td>&nbsp;Echocardiographic assessment indicated if (i) pneumonia, (ii)&nbsp;P\u2009\u2265\u200918 cmH<sub>2<\/sub>O, (iii) PaO<sub>2<\/sub>\/FiO<sub>2<\/sub>\u2009&lt;\u2009150&nbsp;mmHg, (iv) PaCO<sub>2<\/sub>\u2009\u2265\u200948&nbsp;mmHg, (v) shock, and (vi) known or likely pre-existing RV disease&nbsp;Serial echocardiography and\/or PAC-based haemodynamic monitoring to guide interventions during IMV if (i) baseline echo is concerning for RV dysfunction, (ii) plan for permissive hypercapnoea, (iii) moderate\u2013severe shock, or (iv) cardiorespiratory deterioration&nbsp;Monitor for shock, renal failure, congestive hepatopathy, and positive fluid balance<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>The medical management of acute respiratory distress sy [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[25,23],"tags":[],"_links":{"self":[{"href":"https:\/\/csccm.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/29972"}],"collection":[{"href":"https:\/\/csccm.org.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/csccm.org.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/csccm.org.cn\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/csccm.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=29972"}],"version-history":[{"count":1,"href":"https:\/\/csccm.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/29972\/revisions"}],"predecessor-version":[{"id":29973,"href":"https:\/\/csccm.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/29972\/revisions\/29973"}],"wp:attachment":[{"href":"https:\/\/csccm.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=29972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/csccm.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29972"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/csccm.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}