Faculty profile

Vahid Sarhangian

ResearcherUniversity of Toronto

This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a University of Toronto directory, so their courses may be missing. Find their university profile.

Vahid Sarhangian

Researcher

Health Sciences

University of Toronto

Toronto, Ontario, Canada

Supervision signals

Has led research grants, which requires an independent research appointment. Ask their department whether they supervise graduate students.
11 publications in the last five years, latest in 2026.
Senior (last) author on 5 recent papers, a sign of leading a research group.
Principal investigator on 9 research grants (4 CIHR, 3 NSERC, 2 SSHRC), most recently in 2024.

These signals come from public records, including CIHR, NSERC and SSHRC funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

Publications

Citations

Collaborators

Grants

Publications by year

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

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Signals and details

Research

Health Equity Health Systems Patient Outcomes Covid-19 Medications Processes Of Inpatient Care Resource Allocation Drug Shortage

Latest papers

Trends in General Internal Medicine Patient and Care Complexity from 2017 to 2022 Across 21 Hospitals.
Journal of general internal medicine · 2026 · senior author
Optimizing Daily Surgical Scheduling Improves Operative Time Consumption: A Retrospective Study.
Arthroplasty today · 2026
Predicting left-without-being-seen in an emergency department as a dynamic risk.
The American journal of emergency medicine · 2025

All 11 publications

Latest funding

Optimizing the staffing and scheduling decisions of a large retail network
NSERC · 2024 · Principal investigator
$62,000
Optimizing the Cancer Care Workforce Utilizing Existing Health Human Resources
CIHR · 2023 · Co-investigator
$367,120
Data-driven Models and Algorithms to Mitigate Imbalances via Resource Allocation for Pandemic Resilience
SSHRC · 2022 · Principal investigator
$250,000

All 14 grants and awards

11 publications.

Trends in General Internal Medicine Patient and Care Complexity from 2017 to 2022 Across 21 Hospitals.

Ghahtarani A, Roberts SB, Wodchis WP, Razak F, Verma AA, Sarhangian V

Journal of general internal medicine2026Senior author

DOI: 10.1007/s11606-026-10586-1 PMID: 42343057

Optimizing Daily Surgical Scheduling Improves Operative Time Consumption: A Retrospective Study.

Abbas A, Saleh I, Wong P, Larouche J, Abouali J, Park S, Chan TCY, Sarhangian V, Toor J

Arthroplasty today2026

DOI: 10.1016/j.artd.2025.101926 PMID: 42388606

Predicting left-without-being-seen in an emergency department as a dynamic risk.

Ravid Y, Ibrahim R, Hu J, Pasupathy K, Nestler DM, Sarhangian V, Afèche P

The American journal of emergency medicine2025

DOI: 10.1016/j.ajem.2025.08.064 PMID: 40925054

Feasibility and optimization of a second-tier prehospital critical care response for major trauma in a North American urban and suburban area: A geospatial analysis and modelling study.

Stephenson R, Sarhangian V, Cheskes S, Turner L, Nolan B, Drennan I, Chan TCY, von Vopelius-Feldt J, FIRST60 investigators (Online Supplement 1.0)

The American journal of emergency medicine2025

DOI: 10.1016/j.ajem.2025.07.025 PMID: 40680489

Associations of hospital unit occupancy with inpatient falls and fall-risk assessment completion: a retrospective cohort study.

Chiu J, Sarhangian V, Tosoni S, Pozzobon LD, Chartier LB

International journal for quality in health care : journal of the International Society for Quality in Health Care2025

DOI: 10.1093/intqhc/mzaf028 PMID: 40165661

Evaluation of a nurse practitioner-led post-discharge transitional care program for patients with liver disease: A retrospective cohort study.

Naghshbandi M, Huang SY, Shah H, Yim C, Lee E, Caesar M, Hope A, Chan TC, Sarhangian V

Canadian liver journal2024Senior author

DOI: 10.3138/canlivj-2024-0020 PMID: 40677536

Disparities in surgery rates during the COVID-19 pandemic: retrospective study.

Sankar A, Stukel TA, Baxter NN, Wijeysundera DN, Hwang SW, Wilton AS, Chan TCY, Sarhangian V, Simpson AN, de Mestral C, Pincus D, Campbell RJ, Urbach DR, Irish J, Gomez D

BJS open2024

DOI: 10.1093/bjsopen/zrae088 PMID: 39186678

Association Between Delayed Discharge From Acute Care and Rehabilitation Outcomes and Length of Stay: A Retrospective Cohort Study

Görgülü B, Dong J, Hunter K, Bettio KM, Vukusic B, Ranisau J, Spencer G, Tang T, Sarhangian V

Archives of Physical Medicine and Rehabilitation20238 citationsSenior author

DOI: 10.1016/j.apmr.2022.05.017

Evolution of the surgical procedure gap during and after the COVID-19 pandemic in Ontario, Canada: cross-sectional and modelling study.

Stephenson R, Sarhangian V, Park J, Sankar A, Baxter NN, Stukel TA, Simpson AN, Wijeysundera DN, Wilton AS, de Mestral C, Hwang SW, Pincus D, Campbell RJ, Urbach DR, Irish J, Gomez D, Chan TCY

The British journal of surgery2023

DOI: 10.1093/bjs/znad289 PMID: 37724806

A data‐driven approach to determine daily platelet order quantities at hospitals

Mirjalili M, Abouee-Mehrizi H, Barty R, Heddle NM, Sarhangian V

Transfusion202213 citationsSenior author

DOI: 10.1111/trf.17080

Optimizing the staffing and scheduling decisions of a large retail network

Principal investigatorNSERC2024Alliance Grants

Principal investigators: Sarhangian, Vahid V

Keywords: causal inference; machine learning; operations research; optimization; retail operations; scheduling; staffing

$62,000

Optimizing the Cancer Care Workforce Utilizing Existing Health Human Resources

Co-investigatorCIHR2023Team Gr.: Strength the Health Workforce for Sys. Transf.:Cancer Health Workforce

Principal investigators: Krzyzanowska, Monika K; Irish, Jonathan C; Sriharan, Abiramy

Keywords: Collaborative; Healthcare Human Resources; Implementation; Program Evaluation; Workforce Optimization

$367,120

Data-driven Models and Algorithms to Mitigate Imbalances via Resource Allocation for Pandemic Resilience

Principal investigatorSSHRC2022New Frontiers in Research Fund - Special Calls

Principal investigators: Sarhangian, Vahid

Keywords: Stochastic models; Machine Learning; Pandemic preparedness; Equitable resource allocation; Health services

$250,000

Investigating variation in the inpatient allocation of scarce COVID-19 therapeutics: Equity and Clinical Outcomes

Principal investigatorCIHR2022Project Grant - PA: Pandemic Preparedness and Health Emergencies Research

Principal investigators: Razak, Fahad; Baker, Andrew J; Chan, Timothy; Gibson, Jennifer; Leung, Elizabeth; Mamdani, Muhammad; Morris, Andrew M; Pai, Menaka; Rosella, Laura C; Sarhangian, Vahid; Siddiqi, Arjumand; Verma, Amol

Keywords: Covid-19; Drug Shortages; Ethical Framework; Health Equity; Health Systems; Medications; Patient Outcomes; Processes Of Inpatient Care; Resource Allocation

$100,000

Data-driven Models and Algorithms to Mitigate Imbalances via Resource Allocation for Pandemic Resilience

Principal investigatorSSHRC2022New Frontiers in Research Fund - Special Calls

Principal investigators: Sarhangian, Vahid

Keywords: Stochastic models Machine Learning Pandemic preparedness Equitable resource allocation Health services

$250,000

Investigating variation in the inpatient allocation of scarce COVID-19 therapeutics: Equity and Clinical Outcomes

Principal investigatorCIHR2022Pro. Gr. - PA: Pandemic Preparedness and Health Emergencies: ECI Grant

Keywords: Covid-19; Drug Shortage; Health Equity; Health Systems; Medications; Patient Outcomes; Processes Of Inpatient Care; Resource Allocation

$400,000

Workforce planning for inpatient medical and intensive care physician services to support health system planning and pandemic resilience

Nominated PICIHR2022Cat Gr:Policy Res. for Health Sys. Transf.- Canadian Healthcare Workforce

Principal investigators: Sarhangian, Vahid; Simpson, Christopher S; Carter, Michael W; Chan, Timothy; Hawker, Gillian A; Razak, Fahad; Verma, Amol

Keywords: Health Human Resources; Inpatient Emergency Health Services; Pandemic Preparedness; Physician Workforce Planning

$150,000

COVID-19 Variant Network - The COVID-19 Hospital Analytics Laboratory: Improving the Clinical, Organizational, and System Response to COVID-19

Co-investigatorCIHR2021Operating Grant: SARS-CoV-2 variants supplement stream 2

Principal investigators: Verma, Amol; Greenberg, Anna; Chan, Timothy; Cheung, Angela M; Ghassemi, Marzyeh; Herridge, Margaret S; Mamdani, Muhammad; Razak, Fahad; Rosella, Laura C

Keywords: Clinical Data Platform; Hospital Medicine

$100,000

The Surgical EQUITY initiative: Establishing equitable access to surgery following the pandemic

Co-investigatorCIHR2021Op. Gr.:Emerg. COVID-19 Res. Gaps & Priorities- Health care systems and services

Principal investigators: Gomez Jaramillo, David; Chan, Timothy; Sankar, Ashwin

Keywords: Access To Care; Marginalization; Rurality; Surgery

$220,596

COVID-19 Variant Supplement - The COVID-19 Hospital Analytics Laboratory: Improving the Clinical, Organizational, and System Response to COVID-19

Co-investigatorCIHR2021Operating Grant: SARS-CoV-2 variants supplement stream 1

Principal investigators: Verma, Amol; Greenberg, Anna; Chan, Timothy; Cheung, Angela M; Ghassemi, Marzyeh; Herridge, Margaret S; Mamdani, Muhammad; Razak, Fahad; Rosella, Laura C

Keywords: Clinical Data Platform; Hospital Medicine

$50,000

From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.

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Vahid Sarhangian

Research

Latest papers

Latest funding

Trends in General Internal Medicine Patient and Care Complexity from 2017 to 2022 Across 21 Hospitals.

Optimizing Daily Surgical Scheduling Improves Operative Time Consumption: A Retrospective Study.

Predicting left-without-being-seen in an emergency department as a dynamic risk.

Feasibility and optimization of a second-tier prehospital critical care response for major trauma in a North American urban and suburban area: A geospatial analysis and modelling study.

Associations of hospital unit occupancy with inpatient falls and fall-risk assessment completion: a retrospective cohort study.

Evaluation of a nurse practitioner-led post-discharge transitional care program for patients with liver disease: A retrospective cohort study.

Disparities in surgery rates during the COVID-19 pandemic: retrospective study.

Association Between Delayed Discharge From Acute Care and Rehabilitation Outcomes and Length of Stay: A Retrospective Cohort Study

Evolution of the surgical procedure gap during and after the COVID-19 pandemic in Ontario, Canada: cross-sectional and modelling study.

A data‐driven approach to determine daily platelet order quantities at hospitals

Optimizing the staffing and scheduling decisions of a large retail network

Optimizing the Cancer Care Workforce Utilizing Existing Health Human Resources

Data-driven Models and Algorithms to Mitigate Imbalances via Resource Allocation for Pandemic Resilience

Investigating variation in the inpatient allocation of scarce COVID-19 therapeutics: Equity and Clinical Outcomes

Data-driven Models and Algorithms to Mitigate Imbalances via Resource Allocation for Pandemic Resilience

Investigating variation in the inpatient allocation of scarce COVID-19 therapeutics: Equity and Clinical Outcomes

Workforce planning for inpatient medical and intensive care physician services to support health system planning and pandemic resilience

COVID-19 Variant Network - The COVID-19 Hospital Analytics Laboratory: Improving the Clinical, Organizational, and System Response to COVID-19

The Surgical EQUITY initiative: Establishing equitable access to surgery following the pandemic

COVID-19 Variant Supplement - The COVID-19 Hospital Analytics Laboratory: Improving the Clinical, Organizational, and System Response to COVID-19

Frequent collaborators

Jonathan Irish

Charles De Mestral

Ashwin Sankar

Fahad Razak

Ian Drennan

Hossein Abouee Mehrizi

Berk Gorgulu

Andrew Hope

Brodie Nolan

Sheldon Cheskes

Fahad Razak

Nancy Heddle

Betty Vukusic