{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T16:28:19Z","timestamp":1787761699579,"version":"build-2784847793"},"reference-count":12,"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":[[2023,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background and Aims:<\/jats:title>\n                    <jats:p>\n                      Retrograde transillumination technique has been found helpful for performing direct and video laryngoscopy by better identification of glottis. The usefulness of this technique during flexible videoscopy by novices has not been evaluated. So, we aimed to compare the retrograde transillumination and conventional technique of flexible videoscopy by novices. The primary outcomes were the time required to visualise the glottis from the point of insertion of the scope into the nostril (T1) and the time needed to see tracheal rings after glottis visualisation (T2). The secondary outcomes were incidence of desaturation with peripheral oxygen saturation (SpO\n                      <jats:sub>2<\/jats:sub>\n                      ) &lt;92% and the ease of performance of flexible videoscopy using retrograde transillumination.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>A total of 92 surgical patients who are undergoing general anaesthesia with normal airway parameters were randomised into two groups, Group C (Conventional flexible videoscopy- Ambu\u00ae aScope\u2122 3 Broncho Slim) and Group R (Flexible videoscopy aided by retrograde transillumination through the cricothyroid space using an OTICA LED vein finder).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      The time to visualise glottis from scope insertion into the nose (T1) (median [interquartile range]) in group C and group R was (19.23 [13.6-30.5] versus 22.50 [17.8-25.5] seconds;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      value = 0.417) and time to visualise the tracheal rings (T2) was (13.07 [9.1-20.00] versus 12.13 [9.0-19.1] seconds;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      value = 0.714) were comparable in both the groups. 61% of residents found the retrograde transillumination to be very helpful. No incidence of desaturation was noted in either group.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Retrograde transillumination-aided flexible videoscopy does not shorten the time but facilitates glottis and tracheal rings visualisation among novice anaesthesia residents.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/ija.ija_633_22","type":"journal-article","created":{"date-parts":[[2023,2,15]],"date-time":"2023-02-15T04:40:32Z","timestamp":1676436032000},"page":"161-166","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":1,"title":["Comparison of retrograde transillumination and conventional technique for flexible videoscopy by novice anaesthesia residents: A randomised controlled trial"],"prefix":"10.4103","volume":"67","author":[{"given":"Sri Showmiya","family":"Gopalakrishnan","sequence":"first","affiliation":[{"name":"Department of Anaesthesiology and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Priya","family":"Rudingwa","sequence":"additional","affiliation":[{"name":"Department of Anaesthesiology and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aswini","family":"Kuberan","sequence":"additional","affiliation":[{"name":"Department of Anaesthesiology and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sandeep Kumar","family":"Mishra","sequence":"additional","affiliation":[{"name":"Department of Anaesthesiology and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sakthirajan","family":"Panneerselvam","sequence":"additional","affiliation":[{"name":"Department of Anaesthesiology and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ajay Kumar","family":"Jha","sequence":"additional","affiliation":[{"name":"Department of Anaesthesiology and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2023,2,16]]},"reference":[{"key":"R1-20240902","doi-asserted-by":"crossref","first-page":"967","DOI":"10.1046\/j.1365-2044.2002.02830.x","article-title":"Training in airway management","volume":"57","author":"Stringer","year":"2002","journal-title":"Anaesthesia"},{"key":"R2-20240902","doi-asserted-by":"crossref","first-page":"251","DOI":"10.1097\/ALN.0b013e31827773b2","article-title":"Practice guidelines for management of the difficult airway:An updated report by the American Society of Anesthesiologists Task Force on Management of the Difficult Airway","volume":"118","author":"Apfelbaum","year":"2013","journal-title":"Anesthesiology"},{"key":"R3-20240902","doi-asserted-by":"crossref","first-page":"827","DOI":"10.1093\/bja\/aev371","article-title":"Difficult Airway Society 2015 guidelines for management of unanticipated difficult intubation in adults","volume":"115","author":"Frerk","year":"2015","journal-title":"Br J Anaesth"},{"key":"R4-20240902","doi-asserted-by":"crossref","first-page":"795","DOI":"10.1111\/j.1365-2044.1983.tb12207.x","article-title":"A training programme for fiberoptic nasotracheal intubation. Use of model and live patients","volume":"38","author":"Ovassapian","year":"1983","journal-title":"Anaesthesia"},{"key":"R5-20240902","doi-asserted-by":"crossref","first-page":"344","DOI":"10.1016\/0952-8180(89)90073-1","article-title":"Clinical competence in the performance of fiberoptic laryngoscopy and endotracheal intubation:A study of resident instruction","volume":"1","author":"Johnson","year":"1989","journal-title":"J Clin Anesth"},{"key":"R6-20240902","first-page":"1292","article-title":"Teaching the use of fiberoptic intubation in anesthetized, spontaneously breathing patients","volume":"89","author":"Erb","year":"1999","journal-title":"Anesth Analg"},{"key":"R7-20240902","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1111\/aas.13016","article-title":"Infrared Red Intubation System (IRRIS) guided flexible videoscope assisted difficult airway management","volume":"62","author":"Kristensen","year":"2018","journal-title":"Acta Anaesthesiol Scand"},{"key":"R8-20240902","doi-asserted-by":"crossref","first-page":"1059","DOI":"10.1097\/ALN.0b013e31828877c0","article-title":"Retrograde light-guided laryngoscopy for tracheal intubation","volume":"118","author":"Yang","year":"2013","journal-title":"Anesthesiology"},{"key":"R9-20240902","doi-asserted-by":"crossref","first-page":"474","DOI":"10.1111\/anae.14217","article-title":"A new retrograde transillumination technique for videolaryngoscopic tracheal intubation","volume":"73","author":"Biro","year":"2018","journal-title":"Anaesthesia"},{"key":"R10-20240902","doi-asserted-by":"crossref","first-page":"114","DOI":"10.1002\/anr3.12119","article-title":"Infrared flashing light through the cricothyroid membrane to guide flexible bronchoscopic tracheal intubation","volume":"9","author":"Jauho","year":"2021","journal-title":"Anaesth Rep"},{"key":"R11-20240902","doi-asserted-by":"crossref","first-page":"e208","DOI":"10.1016\/j.bja.2020.04.037","article-title":"Does infrared red intubation system improve the fibreoptic intubation conditions?A randomized control trial","volume":"125","author":"Maheshwari","year":"2020","journal-title":"Br J Anaesth"},{"key":"R12-20240902","doi-asserted-by":"crossref","first-page":"98","DOI":"10.4103\/arwy.arwy_11_21","article-title":"Tracheal intubation using a videolaryngoscope assisted by transtracheal illumination with an LED vein finder","volume":"4","author":"Shah","year":"2021","journal-title":"Airway"}],"container-title":["Indian Journal of Anaesthesia"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.ovid.com\/10.4103\/ija.ija_633_22","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T16:05:49Z","timestamp":1787760349000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ovid.com\/10.4103\/ija.ija_633_22"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,2]]},"references-count":12,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2023]]}},"URL":"https:\/\/doi.org\/10.4103\/ija.ija_633_22","relation":{},"ISSN":["0019-5049","0976-2817"],"issn-type":[{"value":"0019-5049","type":"print"},{"value":"0976-2817","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,2]]},"assertion":[{"value":"2022-07-20","name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2023-01-27","name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}}]}}