{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T17:29:17Z","timestamp":1786728557525,"version":"build-2736575974"},"reference-count":11,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"Suppl 4","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2023,11]]},"abstract":"<jats:sec>\n                    <jats:title>Background and Aims:<\/jats:title>\n                    <jats:p>Airway changes occur in different stages of pregnancy. We aimed to evaluate the changes in the upper airway in obstetric patients during pregnancy, labour and after delivery using multiple airway indices and identify the predictive factors of these changes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>\n                      This observational study was conducted on 90 parturients aged &gt;20 years, having monofoetal pregnancy. The patient\u2019s weight was noted, airway assessment including Mallampati grading (MPG), and thyromental distance (TMD), sternomental distance (SMD), neck circumference (NC) and Wilson\u2019s risk score were measured in the second trimester of pregnancy (T\n                      <jats:sub>0<\/jats:sub>\n                      ), between 32 and 34 weeks of gestation (T\n                      <jats:sub>1<\/jats:sub>\n                      ), at the time of admission for safe confinement, between 38 and 40 weeks of gestation (T\n                      <jats:sub>2<\/jats:sub>\n                      ), 2 h after delivery of baby (T\n                      <jats:sub>3<\/jats:sub>\n                      ) and, 24 h after delivery (T\n                      <jats:sub>4<\/jats:sub>\n                      ). Unpaired\n                      <jats:italic toggle=\"yes\">t<\/jats:italic>\n                      -test and analysis of variance test were applied.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Changes in mean (standard deviation [SD]) weight, recorded from T0 to T2, were from 56.96 (10.77) to 65.322 (11.49) kg (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.001). A rise of one or two grades in MPG was detected as the pregnancy progressed, and a decrease of one grade was noted after delivery. A significant decrease in mean (SD) TMD was noted from 6.88 (0.65) to 6.36 (0.62) cm from T0 to T2 (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.001). SMD also decreased in a similar manner as TMD. NC increased from T0 to T3 and then decreased at T4 (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.004).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Following the second trimester of pregnancy, MPG increased by either one or two grades, with a decrease in TMD and SMD and an increase in NC.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/ija.ija_675_22","type":"journal-article","created":{"date-parts":[[2023,11,20]],"date-time":"2023-11-20T13:00:10Z","timestamp":1700485210000},"page":"S268-S273","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":1,"title":["Assessment of airway parameters in obstetric patients and comparing them at different phases in the perinatal period: A prospective observational study"],"prefix":"10.4103","volume":"67","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3592-0061","authenticated-orcid":false,"given":"Kiranpreet","family":"Kaur","sequence":"first","affiliation":[{"name":"Department of Anaesthesiology and Critical Care, Pt. B.D. Sharma PGIMS, Rohtak, Haryana, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"family":"Vaishali","sequence":"additional","affiliation":[{"name":"Department of Anaesthesiology and Critical Care, Pt. B.D. Sharma PGIMS, Rohtak, Haryana, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4523-3310","authenticated-orcid":false,"given":"Pushpa","family":"Dahiya","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology, Pt. B.D. Sharma PGIMS, Rohtak, Haryana, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9154-7439","authenticated-orcid":false,"given":"Svareen","family":"Kaur","sequence":"additional","affiliation":[{"name":"Dr. Baba Saheb Ambedkar Govt. Medical College, Rohini, Delhi, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3942-3268","authenticated-orcid":false,"given":"Mamta","family":"Bhardwaj","sequence":"additional","affiliation":[{"name":"Department of Anaesthesiology and Critical Care, Pt. B.D. Sharma PGIMS, Rohtak, Haryana, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8993-9924","authenticated-orcid":false,"given":"Suresh K.","family":"Singhal","sequence":"additional","affiliation":[{"name":"Department of Anaesthesiology and Critical Care, Pt. B.D. Sharma PGIMS, Rohtak, Haryana, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2023,11,21]]},"reference":[{"key":"R1-20240902","doi-asserted-by":"crossref","first-page":"1086","DOI":"10.1111\/aas.13153","article-title":"Change in Mallampati class during labour: Hypertensive versus normotensive parturients","volume":"62","author":"Raza","year":"2018","journal-title":"Acta Anaesthesiol Scand"},{"key":"R2-20240902","doi-asserted-by":"crossref","first-page":"17","DOI":"10.1016\/j.ijoa.2017.10.005","article-title":"Airway changes following labor and delivery in preeclamptic parturients: A prospective case control study","volume":"33","author":"Ahuja","year":"2018","journal-title":"Int J Obstet Anaesth"},{"key":"R3-20240902","doi-asserted-by":"crossref","first-page":"357","DOI":"10.1097\/ALN.0b013e31816452d3","article-title":"Airway changes during labor and delivery","volume":"108","author":"Kodali","year":"2008","journal-title":"Anesthesiology"},{"key":"R4-20240902","first-page":"397","article-title":"Airway and obstetric anesthesia: A review","volume":"18","author":"Khan","year":"2014","journal-title":"Anaesth Pain Intensive Care"},{"key":"R5-20240902","doi-asserted-by":"crossref","first-page":"651","DOI":"10.4103\/ija.IJA_458_18","article-title":"Physiological and anatomical changes of pregnancy: Implications for anaesthesia","volume":"62","author":"Bhatia","year":"2018","journal-title":"Indian J Anaesth"},{"key":"R6-20240902","doi-asserted-by":"crossref","first-page":"969862","DOI":"10.3389\/fmed.2022.969862","article-title":"The effect of first trimester body mass index on the changes in the upper lip bite test classification before and after delivery: A prospective observational study","volume":"9","author":"Li","year":"2022","journal-title":"Front Med"},{"key":"R7-20240902","doi-asserted-by":"crossref","first-page":"90","DOI":"10.4103\/joacc.JOACC_89_20","article-title":"Airway changes before and after delivery-does labour has any effect on the modified mallampati score?","volume":"11","author":"Das","year":"2021","journal-title":"J Obstet Anaesth Crit Care"},{"key":"R8-20240902","doi-asserted-by":"crossref","first-page":"431","DOI":"10.1007\/s11845-014-1138-8","article-title":"Airway changes in pregnant women before and after delivery","volume":"184","author":"Aydas","year":"2015","journal-title":"Ir J Med Sci"},{"key":"R9-20240902","doi-asserted-by":"crossref","first-page":"67","DOI":"10.1093\/bja\/aep356","article-title":"Mallampati class changes during pregnancy, labour and after delivery: Can these be predicted?","volume":"104","author":"Boutonnet","year":"2010","journal-title":"Br J Anaesth"},{"key":"R10-20240902","doi-asserted-by":"crossref","first-page":"13","DOI":"10.4038\/slja.v29i1.8653","article-title":"Change in mallampati score during pregnancy, labour and post labour: An observational study","volume":"29","author":"Shivashankar","year":"2021","journal-title":"Sri Lankan J Anaesthesiol"},{"key":"R11-20240902","first-page":"275","article-title":"Comparison of two methods for predicting difficult intubation in obstetric patients","volume":"17","author":"Gupta","year":"2003","journal-title":"Middle East J Anaesthesiol"}],"container-title":["Indian Journal of Anaesthesia"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.ovid.com\/10.4103\/ija.ija_675_22","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T16:28:37Z","timestamp":1786724917000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ovid.com\/10.4103\/ija.ija_675_22"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,11]]},"references-count":11,"journal-issue":{"issue":"Suppl 4","published-print":{"date-parts":[[2023]]}},"URL":"https:\/\/doi.org\/10.4103\/ija.ija_675_22","relation":{},"ISSN":["0019-5049","0976-2817"],"issn-type":[{"value":"0019-5049","type":"print"},{"value":"0976-2817","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,11]]},"assertion":[{"value":"2023-08-03","name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2023-10-02","name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}}]}}