https://wikimd.org/index.php?action=history&feed=atom&title=Spontaneous_breathing_trial Spontaneous breathing trial - Revision history 2026-04-30T01:35:47Z Revision history for this page on the wiki MediaWiki 1.44.2 https://wikimd.org/index.php?title=Spontaneous_breathing_trial&diff=6526325&oldid=prev Prab at 13:10, 18 March 2025 2025-03-18T13:10:40Z <p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:10, 18 March 2025</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l21">Line 21:</td> <td colspan="2" class="diff-lineno">Line 21:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; 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font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{No image}}</ins></div></td></tr> </table> Prab https://wikimd.org/index.php?title=Spontaneous_breathing_trial&diff=1110442&oldid=prev Prab: 1 revision imported 2019-09-18T14:08:29Z <p>1 revision imported</p> <p><b>New page</b></p><div>A goal for most patients on [[mechanical ventilation]] is to be weaned from the [[ventilator]]. The weaning process is highly dependent on the patient&#039;s pathology, but the final common pathway to ventilator independence always includes at least one trial of spontaneous breathing. Trials of spontaneous breathing have been shown to accurately predict the success of spontaneous breathing.&lt;ref&gt;Yang K, Tobin MJ, A prospective study of indexes predicting the outcome of weaning from mechanical ventilation. N Engl J Med 1991;324:1445-1450&lt;/ref&gt;<br /> <br /> == Indications for trials of spontaneous breathing ==<br /> <br /> * fraction of inspired oxygen (F&lt;sub&gt;I&lt;/sub&gt;O&lt;sub&gt;2&lt;/sub&gt;) less than 50%<br /> * [[Positive end expiratory pressure]] (PEEP) less than 8&amp;nbsp;cm water<br /> * &quot;Minimal vent settings&quot;<br /> ** e.g., ratio of arterial partial pressure of oxygen to F&lt;sub&gt;I&lt;/sub&gt;O&lt;sub&gt;2&lt;/sub&gt; ([[P/F ratio]]) in the vicinity of 400<br /> <br /> == Valid methods ==<br /> In all of the methods below, the common endpoint measurement is a [[Rapid Shallow Breathing Index]] (Tobin Index) of less than or equal to 105. The RSBI (&quot;Riz-bee&quot;) is simply the ratio of respiratory frequency in respirations per minute to tidal volume in liters (f/V&lt;sub&gt;t&lt;/sub&gt;). Certainly, other measures such as patient&#039;s mental status should be considered. E.g., a [[Glasgow Coma Scale]] score of less than 8 is an independent indication for intubation in traumatic brain injury.<br /> <br /> * Briefly move the tubing supply from the ventilator to continuous supply oxygen (&quot;wall oxygen&quot;)<br /> * Reduce pressure support to 5&amp;nbsp;cm water<br /> * Reduce continuous positive airway pressure to 5&amp;nbsp;cm water<br /> <br /> == References ==<br /> {{refimprove|article|date=April 2009}}<br /> &lt;references /&gt;<br /> <br /> [[Category:Medical terminology]]</div> Prab