{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T13:29:00Z","timestamp":1777728540610,"version":"3.51.4"},"reference-count":20,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2014,4,7]],"date-time":"2014-04-07T00:00:00Z","timestamp":1396828800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Int Med Res"],"published-print":{"date-parts":[[2014,6]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To evaluate the efficiency of ventilation using a novel chin-lift mask compared with an oropharyngeal airway (OPA) with EC-clamp technique in obese patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Obese patients scheduled for cholecystectomy under general anaesthesia were divided into two groups: the OPA group, in which a standard mask and OPA with the EC-clamp technique were used; the CL group, in which the chin-lift mask was used. Respiratory data were compared.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      One hundred patients were recruited and assigned to the OPA ( n\u2009=\u200950) and CL ( n\u2009=\u200950) groups. Compared with the OPA group, expired tidal volume, peripheral oxygen saturation ( S\n                      <jats:sub>p<\/jats:sub>\n                      O\n                      <jats:sub>2<\/jats:sub>\n                      ), tidal volume\/peak inspiratory pressure ratio and end-tidal carbon dioxide were higher, and the peak and mean inspiratory pressures were lower, in the CL group. In the CL group, no patient had an S\n                      <jats:sub>p<\/jats:sub>\n                      O\n                      <jats:sub>2<\/jats:sub>\n                      \u226495% and the lowest S\n                      <jats:sub>p<\/jats:sub>\n                      O\n                      <jats:sub>2<\/jats:sub>\n                      was 99%, whereas in the OPA group, 23 patients had an S\n                      <jats:sub>p<\/jats:sub>\n                      O\n                      <jats:sub>2<\/jats:sub>\n                      \u226495% and the lowest S\n                      <jats:sub>p<\/jats:sub>\n                      O\n                      <jats:sub>2<\/jats:sub>\n                      was 92%. Difficult mask ventilation occurred in eight patients in the OPA group but in none in the CL group.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The chin-lift mask provided a patent airway and better quality mask ventilation than an OPA with EC-clamp technique in obese patients.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/0300060514522204","type":"journal-article","created":{"date-parts":[[2014,4,8]],"date-time":"2014-04-08T00:57:30Z","timestamp":1396918650000},"page":"693-701","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["A chin-lift mask produces a patent airway more effectively than an oropharyngeal airway using the EC-clamp technique in obese patients"],"prefix":"10.1177","volume":"42","author":[{"given":"Li","family":"Li","sequence":"first","affiliation":[{"name":"Department of Anaesthesia, Tianjin Union Medicine Centre, Tianjin, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jie","family":"Feng","sequence":"additional","affiliation":[{"name":"Department of Anaesthesia, Tianjin Union Medicine Centre, Tianjin, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shu Hua","family":"Xie","sequence":"additional","affiliation":[{"name":"Department of Anaesthesia, Tianjin Union Medicine Centre, Tianjin, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Li Cheng","family":"Geng","sequence":"additional","affiliation":[{"name":"Department of Anaesthesia, Tianjin Union Medicine Centre, Tianjin, 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