{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,5]],"date-time":"2026-11-05T07:34:27Z","timestamp":1793864067060,"version":"4.6.1"},"reference-count":23,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T00:00:00Z","timestamp":1783987200000},"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 Vasc Access"],"published-print":{"date-parts":[[2026,11]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives:<\/jats:title>\n                    <jats:p>Radial artery cannulation is often more difficult in patients with obesity because arterial landmarks may be less reliable and the vessel may be deeper from the skin surface. Whether ultrasound guidance improves cannulation outcomes in this subgroup remains uncertain.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>\n                      In this prospective, single-center, randomized, assessor-blinded trial, adults with body mass index &gt;30\u2009kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      scheduled for elective laparoscopic sleeve gastrectomy and requiring radial artery cannulation were assigned to ultrasound-guided cannulation using a short-axis out-of-plane technique or to palpation-guided cannulation. The primary outcome was first-attempt success at the initially selected radial artery. Secondary outcomes included need for a second attempt, two-attempt success, cannulation time, failure at the initially selected artery, and vascular complications.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Of 130 patients assessed for eligibility, 126 were randomized and analyzed (63 per group). First-attempt success was higher with ultrasound guidance than with palpation guidance (57\/63 (90.5%) vs 44\/63 (69.8%); absolute risk difference, 20.6%; 95% CI, 6.7\u201333.9;\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.003). Fewer patients in the ultrasound group required a second attempt (6\/63 (9.5%) vs 19\/63 (30.2%);\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.003). Two-attempt success was also higher with ultrasound guidance (62\/63 (98.4%) vs 52\/63 (82.5%); absolute risk difference, 15.9%; 95% CI, 5.8\u201327.1;\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.002). Median cannulation time was longer with ultrasound guidance for first-attempt success (64.0\u2009s (IQR, 45.0\u201398.5) vs 41.0\u2009s (IQR, 26.1\u201358.0);\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.005). Overall vascular complications were less frequent in the ultrasound group (7\/63 (11.1%) vs 21\/63 (33.3%); absolute risk difference, \u221222.2%; 95% CI, \u221235.7 to \u22127.7;\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.003).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>Among patients with obesity undergoing sleeve gastrectomy, ultrasound-guided radial artery cannulation increased first-attempt and two-attempt success and reduced vascular complications, although cannulation time was modestly longer. These findings support preferential use of ultrasound guidance when reliable first-site radial artery cannulation is clinically important.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/11297298261465954","type":"journal-article","created":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T04:43:06Z","timestamp":1784090586000},"page":"2656-2663","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Ultrasound-guided versus palpation-guided radial artery cannulation in patients with obesity: A randomized controlled trial"],"prefix":"10.1177","volume":"27","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-8241-5995","authenticated-orcid":false,"given":"Xuelong","family":"Zhou","sequence":"first","affiliation":[{"name":"Department of Anesthesia, Women\u2019s Hospital, Zhejiang University School of Medicine, Hangzhou, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jia","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jingming","family":"Zhu","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiuhong","family":"Jiang","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qi","family":"Zou","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,7,14]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(23)02750-2"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.soard.2022.08.013"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11695-024-07196-3"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1177\/0310057X7500300103"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF00254675"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1161\/HCV.0000000000000035"},{"key":"e_1_3_3_8_2","article-title":"Preventing radial arterial catheter failure in critical care\u2014factoring updated clinical strategies and techniques","volume":"41","author":"Imbr\u00ecaco G","year":"2022","unstructured":"Imbr\u00ecaco G, Monesi A, Spencer TR. Preventing radial arterial catheter failure in critical care\u2014factoring updated clinical strategies and techniques. Anaesth Crit Care Pain Med 2022; 41: Article 101096.","journal-title":"Anaesth Crit Care Pain Med"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1213\/ANE.0b013e3182407cd8"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1093\/bja\/aew097"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.1053\/j.jvca.2024.08.006"},{"key":"e_1_3_3_12_2","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.c332"},{"key":"e_1_3_3_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jclinane.2005.06.011"},{"key":"e_1_3_3_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.echo.2024.12.004"},{"key":"e_1_3_3_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajem.2020.04.064"},{"key":"e_1_3_3_16_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ahj.2018.06.007"},{"key":"e_1_3_3_17_2","doi-asserted-by":"publisher","DOI":"10.1186\/s13054-020-02920-8"},{"key":"e_1_3_3_18_2","article-title":"Ultrasound-guided dynamic needle tip positioning technique for radial artery cannulation in elderly patients: a prospective randomized controlled study","volume":"16","author":"Kim SY","year":"2021","unstructured":"Kim SY, Kim KN, Jeong MA, et al. Ultrasound-guided dynamic needle tip positioning technique for radial artery cannulation in elderly patients: a prospective randomized controlled study. 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