{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T21:08:35Z","timestamp":1792012115522,"version":"4.4.0"},"reference-count":131,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2019,9,18]],"date-time":"2019-09-18T00:00:00Z","timestamp":1568764800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"PROSPERO International Prospective Register of Systematic Reviews"}],"content-domain":{"domain":["associationofanaesthetists-publications.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Anaesthesia"],"published-print":{"date-parts":[[2020,1]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:p>\n                    Spinal anaesthesia for caesarean section commonly causes maternal hypotension. This systematic review and network meta\u2010analysis compared methods to prevent hypotension in women receiving spinal anaesthesia for caesarean section. We selected randomised controlled trials that compared an intervention to prevent hypotension with another intervention or inactive control by searching\n                    <jats:styled-content style=\"fixed-case\">MEDLINE<\/jats:styled-content>\n                    and Embase, Web of Science to December 2018. There was no language restriction. Two reviewers extracted data on trial characteristics, methods and outcomes. We assessed risk of bias for individual trials (Cochrane tool) and quality of evidence (\n                    <jats:styled-content style=\"fixed-case\">GRADE<\/jats:styled-content>\n                    checklist). We assessed 109 trials (8561 women) and 12 different methods that resulted in 30 direct comparisons. Methods ranked by\n                    <jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content>\n                    (95%\n                    <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                    ) from most effective to least effective were: metaraminol 0.11 (0.04\u20130.26); norepinephrine 0.13 (0.06\u20130.28); phenylephrine 0.18 (0.11\u20130.29); leg compression 0.25 (0.14\u20130.43); ephedrine 0.28 (0.18\u20130.43); colloid given before induction of anaesthesia 0.38 (0.24\u20130.61); angiotensin 2, 0.12 (0.02\u20130.75); colloid given after induction of anaesthesia 0.52 (0.30\u20130.90); mephentermine 0.09 (0.01\u20131.30); crystalloid given after induction of anaesthesia 0.78 (0.46\u20131.31); and crystalloid given before induction of anaesthesia 1.16 (0.76\u20131.79). Phenylephrine caused maternal bradycardia compared with control, OR (95%\n                    <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                    ) 0.23 (0.07\u20130.79). Ephedrine lowered umbilical artery\n                    <jats:styled-content style=\"fixed-case\">pH<\/jats:styled-content>\n                    more than phenylephrine, standardised mean difference (95%\n                    <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                    ) 0.78 (0.47\u20131.49). We conclude that vasopressors should be given to healthy women to prevent hypotension during caesarean section with spinal anaesthesia.\n                  <\/jats:p>","DOI":"10.1111\/anae.14841","type":"journal-article","created":{"date-parts":[[2019,9,18]],"date-time":"2019-09-18T05:00:14Z","timestamp":1568782814000},"page":"109-121","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":128,"title":["Prevention of hypotension after spinal anaesthesia for caesarean section: a systematic review and network meta\u2010analysis of randomised controlled trials"],"prefix":"10.1111","volume":"75","author":[{"given":"J. P.","family":"Fitzgerald","sequence":"first","affiliation":[{"name":"Department of Anesthesia Sunnybrook Health Sciences Centre and the University of Toronto ON Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K. A.","family":"Fedoruk","sequence":"additional","affiliation":[{"name":"Department of Anesthesia Sunnybrook Health Sciences Centre and the University of Toronto ON Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S. M.","family":"Jadin","sequence":"additional","affiliation":[{"name":"Department of Anesthesia Sunnybrook Health Sciences Centre and the University of Toronto ON Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B.","family":"Carvalho","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology, Perioperative and Pain Medicine Stanford University School of Medicine Stanford CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S. 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