{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,8]],"date-time":"2026-07-08T16:50:12Z","timestamp":1783529412841,"version":"3.55.0"},"reference-count":27,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2021,5,7]],"date-time":"2021-05-07T00:00:00Z","timestamp":1620345600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100012397","name":"Army Medical University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100012397","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Surg."],"abstract":"<jats:p><jats:bold>Background:<\/jats:bold> Patients with acute aortic dissection type A (AADA) often have hypoxemia (partial pressure of oxygen [PaO<jats:sub>2<\/jats:sub>]\/fraction of inspired oxygen [FiO<jats:sub>2<\/jats:sub>] &amp;lt;300 mmHg) before weaning in the intensive care unit (ICU). This study compared the efficacy of high-flow nasal cannula (HFNC) with that of conventional oxygen therapy (COT) in patients with AADA following Sun's procedure.<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> The medical records of 87 adult patients with AADA who underwent Sun's procedure and met the inclusion criteria (PaO<jats:sub>2<\/jats:sub>\/FiO<jats:sub>2<\/jats:sub> &amp;lt;300 mmHg before weaning) were retrospectively analyzed. After surgery, 41 patients were treated with HFNC and 46 were treated with COT. The oxygenation level, FiO<jats:sub>2<\/jats:sub>, partial pressure of carbon dioxide, heart rate, respiratory rate, subjective discomfort, and reintubation rate were recorded. The difference in lung volume loss between the HFNC and COT groups was assessed using the radiological atelectasis score (chest radiograph) or calculated from three-dimensional (3D) reconstructed computed tomography (CT) images.<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> From day 1 to day 5 after weaning, there was no significant difference in PaO<jats:sub>2<\/jats:sub>\/FiO<jats:sub>2<\/jats:sub> between the HFNC and COT groups, although the FiO<jats:sub>2<\/jats:sub> was significantly lower in the HFNC group than in the COT group (<jats:italic>P<\/jats:italic> &amp;lt; 0.05). Further studies indicated that the percentage of lung volume loss (pleural effusion and\/or pulmonary atelectasis) by 3D reconstruction of CT images at 4\u20138 days post-operation was significantly lower in the HFNC group (<jats:italic>P<\/jats:italic> &amp;lt; 0.05). The subjective experience of breathing discomfort, reintubation rate, and length of stay in the ICU were significantly reduced in the HFNC group (<jats:italic>P<\/jats:italic> &amp;lt; 0.05). There was no significant difference in readmission to the ICU and in-hospital mortality between the two groups.<\/jats:p><jats:p><jats:bold>Conclusions:<\/jats:bold> HFNC can be used as an effective oxygen therapy for AADA patients with hypoxemia after Sun's procedure.<\/jats:p>","DOI":"10.3389\/fsurg.2021.630624","type":"journal-article","created":{"date-parts":[[2021,5,7]],"date-time":"2021-05-07T15:03:00Z","timestamp":1620399780000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":5,"title":["Effect of High-Flow Nasal Cannula for Hypoxemia Following Sun's Procedure in Acute Aortic Dissection Type a Patients"],"prefix":"10.3389","volume":"8","author":[{"given":"ChaoJun","family":"Yan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianrong","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi","family":"Wu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jie","family":"Yao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xianpu","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yongbo","family":"Cheng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianguang","family":"Yi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Deqin","family":"Lin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sanjiu","family":"Yu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mei","family":"Guo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liuhong","family":"Lu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Cheng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ping","family":"He","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2021,5,7]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"800","DOI":"10.1016\/S0140-6736(14)61005-9","article-title":"Management of acute aortic dissection","volume":"385","author":"Nienaber","year":"2015","journal-title":"Lancet."},{"key":"B2","doi-asserted-by":"publisher","first-page":"251","DOI":"10.1093\/icvts\/ivw272","article-title":"Risk factors for hypoxemia following surgical repair of acute type A aortic dissection","volume":"24","author":"Nan","year":"2017","journal-title":"Interact Cardiovasc Thorac Surg"},{"key":"B3","doi-asserted-by":"publisher","first-page":"2294","DOI":"10.12659\/MSM.893956","article-title":"Effects of Noninvasive Positive-Pressure Ventilati on with Different Interfaces in Patients with Hypoxemia after Surgery for Stanford Type A Aortic Dissection","volume":"21","author":"Yi","year":"2015","journal-title":"Med Sci Monit"},{"key":"B4","doi-asserted-by":"publisher","first-page":"371","DOI":"10.1097\/00000542-199808000-00013","article-title":"Atelectasis and gas exchange after cardiac surgery","volume":"89","author":"Tenling","year":"1998","journal-title":"Anesthesiology."},{"key":"B5","doi-asserted-by":"publisher","first-page":"665","DOI":"10.3978\/j.issn.2225-319X.2013.09.20","article-title":"Sun's procedure for chronic type A aortic dissection: total arch replacement using a tetrafurcate graft with stented elephant trunk implantation","volume":"2","author":"Lizhong","year":"2013","journal-title":"Ann Cardiothorac Surg."},{"key":"B6","doi-asserted-by":"publisher","first-page":"107","DOI":"10.1016\/j.jtcvs.2005.09.015","article-title":"Should the \u201celephant trunk\u201d be skeletonized? 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