The association of maternal obesity with fetal pH in parturients undergoing cesarean delivery under spinal anesthesia

References

• Deputy NP, Dub B, Sharma AJ. Prevalence and trends in pre-pregnancy normal weight – 48 states, New York city, and District Of Columbia, 2011–2015. MMWR Morb Mortal Wkly Rep. 2018;66(5152):1402–1407.
   PubMed Web of Science ®Google Scholar
• Flegal KM, Carroll MD, Kit BK, et al. Prevalence of obesity and trends in the distribution of body mass index among US adults, 1999–2010. JAMA. 2012;307(5):491–497.
   PubMed Web of Science ®Google Scholar
• Sarkar RK, Cooley SM, Donnelly JC, et al. The incidence and impact of increased body mass index on maternal and fetal morbidity in the low-risk primigravid population. J Matern Fetal Neonatal Med. 2007;20(12):879–883.
   PubMed Web of Science ®Google Scholar
• Sebastian Manzanares G, Angel Santalla H, Irene Vico Z, et al. Abnormal maternal body mass index and obstetric and neonatal outcome. J Matern Fetal Neonatal Med. 2012;25(3):308–312.
   PubMed Web of Science ®Google Scholar
• Weiss JL, Malone FD, Emig D, FASTER Research Consortium, et al. Obesity, obstetric complications and cesarean delivery rate-a population-based screening study. Am J Obstet Gynecol. 2004;190(4):1091–1097.
   PubMed Web of Science ®Google Scholar
• Lu GC, Rouse DJ, DuBard M, et al. The effect of the increasing prevalence of maternal obesity on perinatal morbidity. Am J Obstet Gynecol. 2001;185(4):845–849.
   PubMed Web of Science ®Google Scholar
• Magann EF, Doherty DA, Sandlin AT, et al. The effects of an increasing gradient of maternal obesity on pregnancy outcomes. Aust N Z J Obstet Gynaecol. 2013;53(3):250–257.
   PubMed Web of Science ®Google Scholar
• Marshall NE, Guild C, Cheng YW, et al. Maternal superobesity and perinatal outcomes. Am J Obstet Gynecol. 2012;206(5):417e1–6.
   Web of Science ®Google Scholar
• Raja UA, McAree T, Bassett P, et al. The implications of a raised maternal BMI: a DGH experience. J Obstet Gynaecol. 2012;32(3):247–251.
   PubMedGoogle Scholar
• Edwards RK, Cantu J, Cliver S, et al. The association of maternal obesity with fetal pH and base deficit at cesarean delivery. Obstet Gynecol. 2013;122(2):262–267.
   PubMed Web of Science ®Google Scholar
• Cooper DW, Carpenter M, Mowbray P, et al. Fetal and maternal effects of phenylephrine and ephedrine during spinal anesthesia for cesarean delivery. Anesthesiology. 2002;97(6):1582–1590.
   PubMed Web of Science ®Google Scholar
• Lee A, Ngan Kee WD, Gin T. A quantitative, systematic review of randomized controlled trials of ephedrine versus phenylephrine for the management of hypotension during spinal anesthesia for cesarean delivery. Anesth Analg. 2002;94(4):920–926.
   PubMed Web of Science ®Google Scholar
• Ngan Kee WD, Khaw KS, Tan PE, et al. Placental transfer and fetal metabolic effects of phenylephrine and ephedrine during spinal anesthesia for cesarean delivery. Anesthesiology. 2009;111(3):506–512.
   PubMed Web of Science ®Google Scholar
• Ngan Kee WD, Lee A. Multivariate analysis of factors associated with umbilical arterial pH and standard base excess after caesarean section under spinal anaesthesia. Anaesthesia. 2003;58(2):125–130.
   PubMed Web of Science ®Google Scholar
• Ngan Kee WD, Lee A, Khaw KS, et al. A randomized double-blinded comparison of phenylephrine and ephedrine infusion combinations to maintain blood pressure during spinal anesthesia for cesarean delivery: the effects on fetal acid-base status and hemodynamic control. Anesth Analg. 2008;107(4):1295–1302.
   PubMed Web of Science ®Google Scholar
• Belfort MA, Saade GR, Thom E, Eunice Kennedy Shriver National Institute of Child Health and Human Development Maternal–Fetal Medicine Units Network, et al. A randomized trial of intrapartum fetal ECG ST-Segment analysis. N Engl J Med. 2015;373(7):632–641.
   PubMed Web of Science ®Google Scholar
• Powell MF, Morgan CJ, Cantu JA, et al. Obesity and neonatal cord blood gas results at cesarean: effect of intraoperative blood pressure. Am J Perinatol. 2017;34(7):716–721.
   PubMed Web of Science ®Google Scholar
• Du EW, Tan HS, Tan CW, et al. Heart rate variability and haemodynamic factors associated with hypotension during spinal anaesthesia for caesarean delivery: a case-control study. Eur J Anaesthesiol. 2022;39(3):219–226.
   PubMed Web of Science ®Google Scholar
• Carvalho B, Collins J, Drover DR, et al. ED(50) and ED(95) of intrathecal bupivacaine in morbidly obese patients undergoing cesarean delivery. Anesthesiology. 2011;114(3):529–535.
   PubMed Web of Science ®Google Scholar
• Lee Y, Balki M, Parkes R, et al. Dose requirement of intrathecal bupivacaine for cesarean delivery is similar in obese and normal weight women. Rev Bras Anestesiol. 2009;59(6):674–683.
   PubMedGoogle Scholar
• George RB, McKeen DM, Dominguez JE, et al. A randomized trial of phenylephrine infusion versus bolus dosing for nausea and vomiting during cesarean delivery in obese women. Can J Anesth/J Can Anesth. 2018;65(3):254–262.
   PubMed Web of Science ®Google Scholar
• Rimsza RR, Perez WM, Babbar S, et al. Time from neuraxial anesthesia placement to delivery is inversely proportional to umbilical arterial cord pH at scheduled cesarean delivery. Am J Obstet Gynecol. 2019;220(4):389 e1–389 e9.
   PubMed Web of Science ®Google Scholar
• Bader AM, Datta S, Arthur GR, et al. Maternal and fetal catecholamines and uterine incision-to-delivery interval during elective cesarean. Obstet Gynecol. 1990;75(4):600–603.
   PubMed Web of Science ®Google Scholar
• Datta S, Ostheimer GW, Weiss JB, et al. Neonatal effect of prolonged anesthetic induction for cesarean section. Obstet Gynecol. 1981;58(3):331–335.
   PubMed Web of Science ®Google Scholar
• Girsen AI, Osmundson SS, Naqvi M, et al. Body mass index and operative times at cesarean delivery. Obstet Gynecol. 2014;124(4):684–689.
   PubMed Web of Science ®Google Scholar
• Yeh P, Emary K, Impey L. The relationship between umbilical cord arterial pH and serious adverse neonatal outcome: analysis of 51,519 consecutive validated samples. BJOG. 2012;119(7):824–831.
   PubMed Web of Science ®Google Scholar