Research map: Comparative effectiveness of virtual versus in-person anaesthesiology consultations: the VIRTUAL retrospective cohort study

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  1. Coding Algorithms for Defining Comorbidities in ICD-9-CM and ICD-10 Administrative Data · Hude Quan · 2005 · 10881 citations · Cited by this paper
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  23. Preference-Based Instrumental Variable Methods for the Estimation of Treatment Effects: Assessing Validity and Interpreting Results · M. Alan Brookhart · 2007 · 228 citations · Cited by this paper
  24. Hospital and Payer Costs Associated With Surgical Complications · Mark Andrew Healy · 2016 · 223 citations · Cited by this paper
  25. Severity Grading of Surgical Complications · Pierre‐Alain Clavien · 2009 · 191 citations · Cited by this paper
  26. Preoperative Evaluation Clinic Visit Is Associated with Decreased Risk of In-hospital Postoperative Mortality · Jeanna D. Blitz · 2016 · 178 citations · Cited by this paper
  27. Derivation and Validation of a Generalizable Preoperative Frailty Index Using Population-based Health Administrative Data · Daniel I. McIsaac · 2018 · 119 citations · Cited by this paper
  28. Development, Implementation, and Evaluation of a Telemedicine Preoperative Evaluation Initiative at a Major Academic Medical Center · Nirav Vikram Kamdar · 2020 · 118 citations · Cited by this paper
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  32. Virtual preoperative assessment in surgical patients: A systematic review and meta-analysis · Kevin Zhang · 2021 · 64 citations · Cited by this paper
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  34. Top ten priorities for anesthesia and perioperative research: a report from the Canadian Anesthesia Research Priority Setting Partnership · Dolores M. McKeen · 2020 · 58 citations · Cited by this paper
  35. Effectiveness of pre-anaesthetic assessment clinic: a systematic review of randomised and non-randomised prospective controlled studies · Eirunn Wallevik Kristoffersen · 2022 · 51 citations · Cited by this paper
  36. Association of Virtual Care Expansion With Environmental Sustainability and Reduced Patient Costs During the COVID-19 Pandemic in Ontario, Canada · Blayne K. Welk · 2022 · 41 citations · Cited by this paper
  37. Intraoperative Blood Management Strategies for Patients Undergoing Noncardiac Surgery · Tori Lenet · 2023 · 29 citations · Cited by this paper
  38. Association of Preoperative Medical Consultation With Reduction in Adverse Postoperative Outcomes and Use of Processes of Care Among Residents of Ontario, Canada · Weiwei Beckerleg · 2023 · 24 citations · Cited by this paper
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