{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T07:54:25Z","timestamp":1791532465221,"version":"4.3.4"},"reference-count":11,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"2","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2013,4]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Use of McCoy blade laryngoscope avoids the lifting force in the vallecula and theoretically should lead to a lower hemodynamic response related to laryngoscopy and tracheal intubation. The available literature on the topic is conflicting.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods:<\/jats:title>\n                    <jats:p>We studied the hemodynamic response to laryngoscopy and tracheal intubation in 60 ASA 1 AND 2 adult patients using either Macintosh or McCoy laryngoscopes. The change in systolic, diastolic, mean arterial pressure, and heart rate (HR) was observed for 10 min post intubation. Arrhythmias and ST changes were also observed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      The maximum change in HR was 18.7% in the Macintosh and 7.7% in the McCoy group, and in systolic arterial pressure was 22.9% in the Macintosh and 10.3% in the McCoy group. This difference between groups was significant (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.0001). The change lasted for a lesser duration in the McCoy group. No arrhythmias or ST changes were observed in either group.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Hemodynamic changes with use of McCoy laryngoscope were lesser in magnitude and of shorter duration.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/0970-9185.111710","type":"journal-article","created":{"date-parts":[[2013,5,13]],"date-time":"2013-05-13T02:58:05Z","timestamp":1368413885000},"page":"196-199","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":14,"title":["Comparison of hemodynamic response to tracheal intubation with Macintosh and McCoy laryngoscopes"],"prefix":"10.4103","volume":"29","author":[{"given":"Mehtab A","family":"Haidry","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fauzia A","family":"Khan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"R1-12-20260210","doi-asserted-by":"crossref","first-page":"295","DOI":"10.1093\/bja\/59.3.295","article-title":"Cardiovascular and catechlamine responses to laryngoscopy with and without endotracheal intubation","volume":"59","author":"Shribman","year":"1987","journal-title":"Br J Anaesth"},{"key":"R2-12-20260210","doi-asserted-by":"crossref","first-page":"943","DOI":"10.1111\/j.1365-2044.1995.tb05924.x","article-title":"A comparison of the stress response to laryngoscopy","volume":"50","author":"McCoy","year":"1995","journal-title":"Anaesthesia"},{"key":"R3-12-20260210","first-page":"260","article-title":"Opioid sparing during endotracheal intubation using McCoy laryngoscope in neurosurgical patients: The comparison of haemodynamic changes with Macintosh blade in a randomized trial","volume":"51","author":"Tewari","year":"2005","journal-title":"J Postgrad Med"},{"key":"R4-12-20260210","doi-asserted-by":"crossref","first-page":"516","DOI":"10.1111\/j.1365-2044.1993.tb07075.x","article-title":"The levering laryngoscope","volume":"48","author":"McCoy","year":"1993","journal-title":"Anaesthesia"},{"key":"R5-12-20260210","doi-asserted-by":"crossref","first-page":"869","DOI":"10.1046\/j.1365-2044.2003.03340.x","article-title":"A comparison of the forces exerted during laryngoscopy using disposable and non-disposable laryngoscope blades","volume":"58","author":"Evans","year":"2003","journal-title":"Anaesthesia"},{"key":"R6-12-20260210","first-page":"177","article-title":"Hemodynamic response to intubation with Macintosh and McCoy blades","volume":"43","author":"Roman","year":"1996","journal-title":"Rev Esp Anesthesiol Reanim"},{"key":"R7-12-20260210","doi-asserted-by":"crossref","first-page":"398","DOI":"10.4097\/kjae.1999.37.3.398","article-title":"A comparison of the effects of different type of laryngoscope on haemodynamics. McCoy versus the Macintosh blade","volume":"37","author":"Han","year":"1999","journal-title":"Korean J Anesthesiol"},{"key":"R8-12-20260210","doi-asserted-by":"crossref","first-page":"714","DOI":"10.1093\/bja\/79.6.714","article-title":"Skin vasomotor reflex induced by laryngoscopy: Comparison of the McCoy and Macintosh blades","volume":"79","author":"Shimoda","year":"1997","journal-title":"Br J Anaesth"},{"key":"R9-12-20260210","first-page":"S119","article-title":"Truview EvO2 laryngoscopy is superior to Macintosh laryngoscopy in terms of force used, glottis view and haemodynamic changes","volume":"104","author":"Jain","year":"2007","journal-title":"Anesth Analg"},{"key":"R10-12-20260210","doi-asserted-by":"crossref","first-page":"64","DOI":"10.4103\/0970-9185.75112","article-title":"A randomized study of Macintosh and Truview EVO2 laryngoscopes in the intubation scenario: Comparison","volume":"26","author":"Kumar","year":"2010","journal-title":"J Anaesthesiol Clin Pharmacol"},{"key":"R11-12-20260210","doi-asserted-by":"crossref","first-page":"147","DOI":"10.4097\/kjae.2005.49.2.147","article-title":"Effect of laryngoscopic and tracheal intubation duration on hemodynamic response during anesthetic induction with thiopental, fentanyl and rocuronium","volume":"49","author":"Gill","year":"2005","journal-title":"Korean J Anesthesiol"}],"container-title":["Journal of Anaesthesiology Clinical Pharmacology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.ovid.com\/01607275-201329020-00012","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T19:10:38Z","timestamp":1787166638000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ovid.com\/01607275-201329020-00012"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013,4]]},"references-count":11,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2013]]}},"URL":"https:\/\/doi.org\/10.4103\/0970-9185.111710","relation":{},"ISSN":["0970-9185"],"issn-type":[{"value":"0970-9185","type":"print"}],"subject":[],"published":{"date-parts":[[2013,4]]}}}