Bijker JB, van Klei WA, Kappen TH, van Wolfswinkel L, Moons KG, Kalkman CJ. Incidence of intraoperative hypotension as a function of the chosen definition: literature definitions applied to a retrospective cohort using automated data collection. Anesthesiology 2007; 107: 213–20. https://doi.org/10.1097/01.anes.0000270724.40897.8e

Article  PubMed  Google Scholar 

Sessler DI, Meyhoff CS, Zimmerman NM, et al. Period-dependent associations between hypotension during and for four days after noncardiac surgery and a composite of myocardial infarction and death: a substudy of the POISE-2 trial. Anesthesiology 2018; 128: 317–27. https://doi.org/10.1097/aln.0000000000001985

Article  PubMed  Google Scholar 

Monk TG, Saini V, Weldon BC, Sigl JC. Anesthetic management and one-year mortality after noncardiac surgery. Anesth Analg 2005; 100: 4–10. https://doi.org/10.1213/01.ane.0000147519.82841.5e

Article  PubMed  Google Scholar 

Walsh M, Devereaux PJ, Garg AX, et al. Relationship between intraoperative mean arterial pressure and clinical outcomes after noncardiac surgery: toward an empirical definition of hypotension. Anesthesiology 2013; 119: 507–15. https://doi.org/10.1097/aln.0b013e3182a10e26

Article  PubMed  Google Scholar 

Salmasi V, Maheshwari K, Yang D, et al. Relationship between intraoperative hypotension, defined by either reduction from baseline or absolute thresholds, and acute kidney and myocardial injury after noncardiac surgery: a retrospective cohort analysis. Anesthesiology 2017; 126: 47–65. https://doi.org/10.1097/aln.0000000000001432

Article  PubMed  Google Scholar 

Chen B, Pang QY, An R, Liu HL. A systematic review of risk factors for postinduction hypotension in surgical patients undergoing general anesthesia. Eur Rev Med Pharmacol Sci 2021; 25: 7044–50. https://doi.org/10.26355/eurrev_202111_27255

Gelman S. Venous function and central venous pressure: a physiologic story. Anesthesiology 2008; 108: 735–48. https://doi.org/10.1097/aln.0b013e3181672607

Article  PubMed  Google Scholar 

Wolff CB, Green DW. Clarification of the circulatory patho-physiology of anaesthesia—implications for high-risk surgical patients. Int J Surg 2014; 12: 1348–56. https://doi.org/10.1016/j.ijsu.2014.10.034

Article  PubMed  Google Scholar 

Seif D, Perera P, Mandavia D. Caval sonography in shock: a noninvasive method for evaluating intravascular volume in critically ill patients. J Ultrasound Med 2012; 31: 1885–90. https://doi.org/10.7863/jum.2012.31.12.1885

Article  PubMed  Google Scholar 

Nakamura K, Tomida M, Ando T, et al. Cardiac variation of inferior vena cava: new concept in the evaluation of intravascular blood volume. J Med Ultrason 2013; 40: 205–9. https://doi.org/10.1007/s10396-013-0435-6

Article  CAS  Google Scholar 

Brennan JM, Ronan A, Goonewardena S, et al. Handcarried ultrasound measurement of the inferior vena cava for assessment of intravascular volume status in the outpatient hemodialysis clinic. Clin J Am Soc Nephrol 2006; 1: 749–53. https://doi.org/10.2215/cjn.00310106

Article  PubMed  Google Scholar 

Zhang J, Critchley LA. Inferior vena cava ultrasonography before general anesthesia can predict hypotension after induction. Anesthesiology 2016; 124: 580–9. https://doi.org/10.1097/aln.0000000000001002

Article  CAS  PubMed  Google Scholar 

Purushothaman SS, Alex A, Kesavan R, Balakrishnan S, Rajan S, Kumar L. Ultrasound measurement of inferior vena cava collapsibility as a tool to predict propofol-induced hypotension. Anesth Essays Res 2020; 14: 199–202. https://doi.org/10.4103/aer.aer_75_20

Article  PubMed  PubMed Central  Google Scholar 

Feissel M, Michard F, Faller JP, Teboul JL. The respiratory variation in inferior vena cava diameter as a guide to fluid therapy. Intensive Care Med 2004; 30: 1834–7. https://doi.org/10.1007/s00134-004-2233-5

Article  PubMed  Google Scholar 

Caplan M, Durand A, Bortolotti P, et al. Measurement site of inferior vena cava diameter affects the accuracy with which fluid responsiveness can be predicted in spontaneously breathing patients: a post hoc analysis of two prospective cohorts. Ann Intensive Care 2020; 10: 168. https://doi.org/10.1186/s13613-020-00786-1

Article  CAS  PubMed  PubMed Central  Google Scholar 

Kent A, Bahner DP, Boulger CT, et al. Sonographic evaluation of intravascular volume status in the surgical intensive care unit: a prospective comparison of subclavian vein and inferior vena cava collapsibility index. J Surg Res 2013; 184: 561–6. https://doi.org/10.1016/j.jss.2013.05.040

Article  PubMed  Google Scholar 

Au AK, Steinberg D, Thom C, et al. Ultrasound measurement of inferior vena cava collapse predicts propofol-induced hypotension. Am J Emerg Med 2016; 34: 1125–8. https://doi.org/10.1016/j.ajem.2016.03.058

Article  PubMed  Google Scholar 

Haldane JB. The mean and variance of χ2 when used as a test of homogeneity, when expectations are small. Biometrika 1940; 31: 346–55. https://doi.org/10.2307/2332614

Article  MathSciNet  Google Scholar 

Monk TG, Bronsert MR, Henderson WG, et al. Association between intraoperative hypotension and hypertension and 30-day postoperative mortality in noncardiac surgery. Anesthesiology 2015; 123: 307–19. https://doi.org/10.1097/aln.0000000000000756

Article  PubMed  Google Scholar 

Saugel B, Bebert EJ, Briesenick L, et al. Mechanisms contributing to hypotension after anesthetic induction with sufentanil, propofol, and rocuronium: a prospective observational study. J Clin Monit Comput 2022; 36: 341–7. https://doi.org/10.1007/s10877-021-00653-9

Article  PubMed  Google Scholar 

Bhimsaria SK, Bidkar PU, Dey A, et al. Clinical utility of ultrasonography, pulse oximetry and arterial line derived hemodynamic parameters for predicting post-induction hypotension in patients undergoing elective craniotomy for excision of brain tumors—a prospective observational study. Heliyon 2022; 8: e11208. https://doi.org/10.1016/j.heliyon.2022.e11208

Article  PubMed  PubMed Central  Google Scholar 

Ackland GL, Singh-Ranger D, Fox S, et al. Assessment of preoperative fluid depletion using bioimpedance analysis. Br J Anaesth 2004; 92: 134–6. https://doi.org/10.1093/bja/aeh015

Article  CAS  PubMed  Google Scholar 

Bundgaard-Nielsen M, Jørgensen CC, Secher NH, Kehlet H. Functional intravascular volume deficit in patients before surgery. Acta Anaesthesiol Scand 2010; 54: 464–9. https://doi.org/10.1111/j.1399-6576.2009.02175.x

Article  CAS  PubMed  Google Scholar 

American Society of Anesthesiologists. Practice guidelines for preoperative fasting and the use of pharmacologic agents to reduce the risk of pulmonary aspiration: application to healthy patients undergoing elective procedures: an updated report by the American Society of Anesthesiologists Task Force on preoperative fasting and the use of pharmacologic agents to reduce the risk of pulmonary aspiration. Anesthesiology 2017; 126: 376–93. https://doi.org/10.1097/aln.0000000000001452

Article  Google Scholar 

Simpao AF, Wu L, Nelson O, et al. Preoperative fluid fasting times and postinduction low blood pressure in children. Anesthesiology 2020; 133: 523–33. https://doi.org/10.1097/aln.0000000000003343

Article  CAS  PubMed  Google Scholar 

Frykholm P, Disma N, Andersson H, et al. Pre-operative fasting in children: a guideline from the European Society of Anaesthesiology and Intensive Care. Eur J Anaesthesiol 2022; 39: 4–25. https://doi.org/10.1097/eja.0000000000001599

Article  PubMed  Google Scholar 

Myrberg T, Lindelöf L, Hultin M. Effect of preoperative fluid therapy on hemodynamic stability during anesthesia induction, a randomized study. Acta Anaesthesiol Scand 2019; 63: 1129–36. https://doi.org/10.1111/aas.13419

Article  CAS  PubMed  Google Scholar 

Paul A, Sriganesh K, Chakrabarti D, Reddy KR. Effect of preanesthetic fluid loading on postinduction hypotension and advanced cardiac parameters in patients with chronic compressive cervical myelopathy: a randomized controlled trial. J Neurosci Rural Pract 2022; 13: 462–70. https://doi.org/10.1055/s-0042-1749459

Article  PubMed  PubMed Central  Google Scholar 

Holte K, Sharrock NE, Kehlet H. Pathophysiology and clinical implications of perioperative fluid excess. Br J Anaesth 2002; 89: 622–32. https://doi.org/10.1093/bja/aef220

Article  CAS  PubMed  Google Scholar 

Holte K, Kehlet H. Fluid therapy and surgical outcomes in elective surgery: a need for reassessment in fast-track surgery. J Am Coll Surg 2006; 202: 971–89. https://doi.org/10.1016/j.jamcollsurg.2006.01.003

Article  PubMed  Google Scholar 

Marjanovic G, Villain C, Juettner E, et al. Impact of different crystalloid volume regimes on intestinal anastomotic stability. Ann Surg 2009; 249: 181–5. https://doi.org/10.1097/sla.0b013e31818b73dc

Article  PubMed  Google Scholar 

Kulemann B, Timme S, Seifert G, et al. Intraoperative crystalloid overload leads to substantial inflammatory infiltration of intestinal anastomoses—a histomorphological analysis. Surgery 2013; 154: 596–603. https://doi.org/10.1016/j.surg.2013.04.010

Article  PubMed  Google Scholar 

Pang Q, Liu H, Chen B, Jiang Y. Restrictive and liberal fluid administration in major abdominal surgery. Saudi Med J 2017; 38: 123–31. https://doi.org/10.15537/smj.2017.2.15077

Nisanevich V, Felsenstein I, Almogy G, Weissman C, Einav S, Matot I. Effect of intraoperative fluid management on outcome after intraabdominal surgery. Anesthesiology 2005; 103: 25–32. https://doi.org/10.1097/00000542-200507000-00008

Article  PubMed  Google Scholar 

Brandstrup B, Tønnesen H, Beier-Holgersen R, et al. Effects of intravenous fluid restriction on postoperative complications: comparison of two perioperative fluid regimens: a randomized assessor-blinded multicenter trial. Ann Surg 2003; 238: 641–8. https://doi.org/10.1097/01.sla.0000094387.50865.23

Article  PubMed  PubMed Central  Google Scholar 

Chappell D, Jacob M, Hofmann-Kiefer K, Conzen P, Rehm M. A rational approach to perioperative fluid management. Anesthesiology 2008; 109: 723–40. https://doi.org/10.1097/aln.0b013e3181863117

Article