Abdollah Safari

Journal Paper

1. "Dynamic maintenance model for a load sharing k-out-of-n: G system using deep reinforcement learning"
   Mahla Mohamadalizadedareh, Abdollah Safari, Firouzeh Haghighi
   Proceedings of the Institution of Mechanical Engineers Part O-Journal of Risk and Reliability, Vol. 1, No 1, 2026
2. "Expected Value of Sample Information Calculations for Risk Prediction Model Development"
   Abdollah Safari, Paul Gustafson, Mohsen Sadatsafavi
   STATISTICS IN MEDICINE, Vol. 45, 2026
3. "Optimal adherence thresholds for oral anticoagulants in patients with atrial fibrillation using machine learning and population administrative data"
   Abdollah Safari, Hamed Helisaz, Mina Tadrous, Marc Deyell, Jason Andrade, Shahrzad Salmasi, Adenike Adelakun, Kristian Filion, Mary De Vera, Peter Loewen
   JOURNAL OF THROMBOSIS AND HAEMOSTASIS, Vol. 24, No 1, 2025
4. "Effect of P2Y12 Inhibitors on Major Adverse Cardiovascular Events After Coronary Artery Bypass Graft Surgery: A Population‐Based Cohort Study"
   Arden Barry, Hamed Helisaz, Abdollah Safari, Peter Loewen
   PHARMACOTHERAPY, Vol. 45, No 9, 2025
5. "Cardiovascular risk in aging adults with double deficits in social support: A gender-sensitive, cross-sectional analysis of the CLSA cohort"
   Annalijn Conklin, Abdollah Safari, Gerry Veenstra, Nadia Khan
   PLoS One, Vol. 20, No 6, 2025
6. "Optimal Dynamic State‐Dependent Maintenance Policy by Deep Reinforcement Learning"
   Shaghayegh Eidi, Firouzeh Haghighi, Abdollah Safari, Enrico Zio
   QUALITY AND RELIABILITY ENGINEERING INTERNATIONAL, 2025
7. "A Study on Prevalence and Factors Affecting Hypertension in an Iranian Population: Results from the Fasa Cohort Study"
   Seyede Melika Taheri ghaleno, Abdollah Safari, Reza Homayounfar, Mojtaba Farjam, Mehdi Rezaeian, Fariba Asadi, Fatemeh Masaebi, Masoud Salehi, Maryam Heydarpour Meymeh, Farid Zayeri
   Medical Journal of the Islamic Republic of Iran, Vol. 38, No 123, 2024
8. "Association Between Oral Anticoagulant Adherence and Serious Clinical Outcomes in Patients With Atrial Fibrillation: A Long‐Term Retrospective Cohort Study"
   Abdollah Safari, Hamed Helisaz, Shahrzad Salmasi, Adenike Adelakun, Mary De Vera, Jason Andrade, Marc Deyell, Peter Loewen
   JOURNAL OF THE AMERICAN HEART ASSOCIATION, Vol. 13, No 18, 2024
9. "Effect of Angiotensin-Converting Enzyme Inhibitors and Angiotensin Receptor Blockers After Coronary Artery Bypass Graft Surgery: A Population-Based Cohort Study"
   Arden Barry, Hamed Helisaz, Abdollah Safari, Peter Loewen
   JOURNAL OF THE AMERICAN HEART ASSOCIATION, Vol. 13, No 12, 2024
10. "Adherence to direct or vitamin K antagonist oral anticoagulants in patients with atrial fibrillation: a long-term observational study"
    Shahrzad Salmasi, Abdollah Safari, Mary De Vera, Tanja Hogg, Larry Lynd, Mieke Koehoorn, Arden Barry, Jason Andrade, Marc Deyell, Kathy Rush, Yinshan Zhao, Peter Loewen
    JOURNAL OF THROMBOSIS AND THROMBOLYSIS, Vol. 57, No 1, 2023
11. "Patients’ Beliefs About Their Cardiovascular Medications After Acute Coronary Syndrome: A Prospective Observational Study"
    Arden Barry, Erica Wang, Doson Chua, Lucy Zhou, Kevin Hong, Abdollah Safari, Peter Loewen
    CANADIAN JOURNAL OF CARDIOLOGY, Vol. 5, No 10, pp.745-753, 2023
12. "Optimal Preventive Maintenance Policy for non-Identical Components: Traditional Renewal Theory vs Modern Reinforcement Learning"
    Shaghayegh Eidi, Abdollah Safari, Firouzeh Haghighi
    International Journal of Reliability, Risk and Safety: Theory and Application, Vol. 6, No 1, 2023
13. "The financial burden of accessing care for people with scleroderma in Canada: a patient-oriented, cross-sectional survey"
    Logan Trenaman, Julia Kaal, Tracey-Lea Laba, Abdollah Safari, Magda Aguiar, Tiasha Burch, Jennifer Beckett, Sarah Munro, Marie Hudson, Mark Harrison
    CANADIAN MEDICAL ASSOCIATION JOURNAL, Vol. 11, No 4, 2023
14. "Fabrication of Cell-Laden AME-Loaded Collagen-Based Hydrogel Promotes Fibroblast Proliferation and Wound Healing In Vitro"
    Mohammad Azimi Alamouty, Niloufar Shayan Asl, Abdollah Safari, Marzieh Ebrahimi, Hamed Daemi
    Cell Journal, Vol. 25, No 4, 2023
15. "IMplementing Predictive Analytics towards efficient COPD Treatments (IMPACT): protocol for a stepped-wedge cluster randomized impact study"
    Kristina Michaux, Rebecca Metcalfe, Paloma Burns, Annalijn Conklin, Alison Hoens, Daniel Smith, Laura Struik, Abdollah Safari, Don Sin, Mohsen Sadatsafavi
    BMC Diagnostic and Prognostic Research, Vol. 7, No 1, 2023
16. "A parametric model to jointly characterize rate, duration, and severity of exacerbations in episodic diseases"
    Abdollah Safari, John Petkau, Mark FitzGerald, Mohsen Sadatsafavi
    BMC Medical Informatics and Decision Making, Vol. 23, No 1, 2023
17. "Generalizability of Risk Stratification Algorithms for Exacerbations in COPD"
    Joseph Khoa Ho, Abdollah Safari, Amin Adibi, Don Sin, Kate Johnson, Mohsen Sadatsafavi
    CHEST, Vol. 163, No 2, 2022
18. "Oral anticoagulant adherence and switching in patients with atrial fibrillation: A prospective observational study"
    Shahrzad Salamasi, Abdollah Safari, Anita Kapanen, Adenike Adelakun, Leanne Kwan, Jenny MacGillivray, Jason Andrade, Marc Deyell, Peter Loewen
    Research in Social & Administrative Pharmacy, Vol. 18, No 11, pp.3920-3928, 2022
19. "16-year trends in asthma hospital admissions in Canada"
    Tae Yoon Lee, John Petkau, Nevrose Mangat, Abdollah Safari, Jacquelyn Cragg, Larry Lynd, Mark FitzGerald, Staurt Turvey, Mohsen Sadatsafavi
    Annals of Allergy, Asthma and Immunology, Vol. 129, No 4, 2022
20. "An overview of reinforcement learning and deep reinforcement learning for conditionbased maintenance"
    Zahra Dehghani, Firouzeh Haghighi, Abdollah Safari
    International Journal of Reliability, Risk and Safety: Theory and Application, Vol. 4, No 2, pp.81-89, 2022
21. "Clinician preferences for neurotechnologies in pediatric drug‐resistant epilepsy: A discrete choice experiment"
    Glory Apantaku, Patrick McDonald, Magda Aguiar, Laura Cabrera, Winston Chiong, Mary Connolly, Viorica Hrincu, George Ibrahim, Julia Kaal, Ashley Lawson, Robert Naftel, Eric Racine, Abdollah Safari, Mark Harrison, Judy Illes
    EPILEPSIA, Vol. 63, No 9, pp.2338-2349, 2022
22. "ACCEPT 2·0: Recalibrating and externally validating the Acute COPD exacerbation prediction tool (ACCEPT)"
    Abdollah Safari, Amin Adibi, Don Sin, Tae Yoon Lee, Joseph Khoa Ho, Mohsen Sadatsafavi
    EClinicalMedicine, Vol. 51, No 101574, 2022
23. "Marginal Versus Conditional Odds Ratios When Updating Risk Prediction Models"
    Mohsen Sadatsafavi, Hamid Tavakoli, Abdollah Safari
    EPIDEMIOLOGY, Vol. 33, No 4, pp.555-558, 2022
24. "The Random Effects Warfarin Days’ Supply (REWarDS) Model: Development and Validation of a Novel Method for Estimating Exposure to Warfarin Using Administrative Data"
    Shahrzad Salmasi, Tanja Hogg, Abdollah Safari, Mary De Vera, Larry Lynd, Mieke Koehoorn, Arden Barry, Jason Andrade, Peter Loewen
    AMERICAN JOURNAL OF EPIDEMIOLOGY, Vol. 191, No 6, pp.1116-1124, 2022
25. "Longitudinal Oral Anticoagulant Adherence Trajectories in Patients With Atrial Fibrillation"
    Shahrzad Salmasi, Mary De Vera, Abdollah Safari, Larry Lynd, Mieke Koehoorn, Arden Barry, Jason Andrade, Marc Deyell, Kathy Rush, Yinshan Zhao, Peter Loewen
    JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY, Vol. 78, No 24, pp.2395-2404, 2021
26. "Satisfaction With Oral Anticoagulants Among Patients With Atrial Fibrillation: A Prospective Observational Study"
    Shahrzad Salmasi, Adenike Adelakun, Abdollah Safari, Leanne Kwan, Jenny MacGillivray, Jason Andrade, Marc Deyell, Anita Kapanen, Peter Loewen
    CJC Open, Vol. 3, No 11, pp.1347-1356, 2021
27. "LONGITUDINAL ORAL ANTICOAGULANT ADHERENCE PATTERNS IN PATIENTS WITH ATRIAL FIBRILLATION: A RETROSPECTIVE OBSERVATIONAL STUDY"
    Shahrzad Salmasi, Abdollah Safari, Mary De Vera, Larry Lynd, Mieke Koehoorn, Arden Barry, Jason Andrade, Marc Deyell, Kathy Rush, Yinshan Zhao, Peter Loewen
    CANADIAN JOURNAL OF CARDIOLOGY, Vol. 37, No 10, 2021
28. "IMPACT OF ORAL ANTICOAGULANT CLASS ON ADHERENCE IN PATIENTS WITH ATRIAL FIBRILLATION: A 23-YEAR POPULATION-BASED COHORT STUDY IN CANADA"
    Shahrzad Salmasi, Abdollah Safari, Mary De Vera, Larry Lynd, Mieke Koehoorn, Arden Barry, Jason Andrade, Marc Deyell, Kathy Rush, Yinshan Zhao, Peter Loewen
    CANADIAN JOURNAL OF CARDIOLOGY, Vol. 37, No 10, 2021
29. "Gender Differences in the Role of Social Support for Hypertension Prevention in Canada: A Population-Based Cross-Sectional Study of the Canadian Longitudinal Study on Aging Cohort"
    Zeinab Hosseini, Abdollah Safari, Nadia Khan, Gerry Veenstra, Annalijn Conklin
    CJC Open, Vol. In press, 2021
30. "Adiposity and the role of diverse social supports: an observational, gender-sensitive study using the baseline Canadian Longitudinal Study on Aging"
    Zeinab Hosseini, Abdollah Safari, Nadia Khan, Gerry Veenstra, Annalijn Conklin
    PUBLIC HEALTH NUTRITION, Vol. 24, No 18, pp.6103-6112, 2021
31. "The Acute COPD Exacerbation Prediction Tool (ACCEPT): a modelling study"
    Amin Adibi, Don Sin, Abdollah Safari, Kate Johnson, Shawn Aaron, Mark FitzGerald, Mohsen Sadatsafavi
    The Lancet Respiratory Medicine, Vol. 8, No 10, pp.1013-1021, 2020

Conference Paper

1. "DRL-Guided Neural Batch Sampling for Semi-Supervised Pixel-Level Anomaly Detection"
   Amirhosein Khadivi Noghredeh, Abdollah Safari, Fatemeh Ziaeetabar, Firouzeh Haghighi
   2026 International Interdisciplinary Conference on Artificial Intelligence: Engineering, Health, Finance and Humanities (IICAI), 2026
2. "Optimizing Maintenance Scheduling in a Scrap-Based Steel Production Line Using Reinforcement Learning"
   Nazanin Haerian, Zahra Gholami, Abdollah Safari, Firouzeh Haghighi
   The 11th Specialized Seminar on Reliability and Its Applications, 2025
3. "Optimized Maintenance Planning Under Random Delayed Interventions: An RL-Based Approach"
   Gazaleh Rahimi, Mahdis Karimi, Mohadeseh Rafighi, Niyayesh Vesali, Abdollah Safari, Firouzeh Haghighi
   The 11th Specialized Seminar on Reliability and Its Applications, 2025
4. "CLINICALLY SIGNIFICANT ADHERENCE THRESHOLDS FOR ORAL ANTICOAGULANTS IN PATIENTS WITH ATRIAL FIBRILLATION"
   Peter Loewen, Abdollah Safari, Hamed Helisaz
   Canadian Cardiovascular Congress 2024: 77th Annual Meeting of the Canadian Cardiovascular Society, 2024
5. "CARDIOVASCULAR OUTCOMES WITH ANGIOTENSIN-CONVERTING ENZYME INHIBITORS AND ANGIOTENSIN RECEPTOR BLOCKERS AFTER CORONARY ARTERY BYPASS GRAFT SURGERY"
   Arden Barry, Hamed Helisaz, Abdollah Safari, Peter Loewen
   Canadian Cardiovascular Congress 2023, 2023
6. "MAJOR BLEEDING WITH OACS IN PATIENTS WITH ATRIAL FIBRILLATION: EFFECTS OF CO-PRESCRIBED BLEEDING RISK MODIFYING DRUGS"
   Abdollah Safari, Hamed Helisaz, Peter Loewen
   Canadian Cardiovascular Congress 2023, 2023
7. "Maintenance planning for a continuous monitoring system using deep reinforcement learning"
   Fariba Azizi, Hassan Rasay, Abdollah Safari
   Seminar on Reliablity Theory and its applications, 2023
8. "Optimal Preventive Maintenance Policy for non-Indentical Components: Traddition Renewal Theory vs Modern Reinforecment Learning"
   Shaghayegh Eydi shahni, Abdollah Safari, Firouzeh Haghighi
   7th International Conference on Reliability and Safety Engineering, 2023
9. "EPH8 Factors Associated With Oral Anticoagulant Switching in Patients With Atrial Fibrillation"
   Adenike Adelakun, Ricky Turgeon, Mary De Vera, Kim McGrail, Abdollah Safari, Shahrzad Salmasi, Peter Loewen
   ISPOR Europe 2022, 2022
10. "DEVELOPMENT AND APPLICATION OF A TAXONOMY ON THE BENEFITS OF ORAL ANTICOAGULANT SWITCHING IN ATRIAL FIBRILLATION"
    Adenike Adelakun, Ricky Turgeon, Mary De Vera, Mark Harrison, Kim McGrail, Shahrzad Salmasi, Abdollah Safari, Peter Loewen
    Canadian Cardiovascular Congress 2022, 2022
11. "STROKE, DEATH, AND ADHERENCE TO ORAL ANTICOAGULANTS IN AF: A RETROSPECTIVE OBSERVATIONAL STUDY WITH ADHERENCE AS A CONTINUOUS VARIABLE"
    Shahrzad Salmasi, Adenike Adelakun, Abdollah Safari, Mary De Vera, Jason Andrade, Mark Deyell, Peter Loewen
    Canadian Cardiovascular Congress 2022, 2022
12. "20-YEAR TRENDS IN ASTHMA HOSPITAL ADMISSIONS IN CANADA"
    T.Y. Lee, John Petkau, Mandi Mangat, Abdollah Safari, Jacquelyn Cragg, Larry Lynd, Mark Fitzgerald, Stuart Turvey, Mohsen Sadatsafavi
    CHEST Congress 2022, 2022
13. "Optimization of condition-based maintenance with batch reinforcement learning for a parallel system with individually repairable component"
    Zahra Dehghani, Firouzeh Haghighi, Abdollah Safari
    Reliability theory and its applications, 2022
14. "IMPACT OF ORAL ANTICOAGULANT CLASS ON ADHERENCE IN PATIENTS WITH ATRIAL FIBRILLATION: A 23-YEAR POPULATION-BASED COHORT STUDY IN CANADA"
    Shahrzad Salmasi, Abdollah Safari, Mary De Vera, Tanja hoegg, Larry Lynd, Mieke Koehoorn, Arden Barry, Jason Andrade, Marc Deyell, Kathy Rush, Yinshan Zhao, Peter Loewen
    Canadian Cardiovascular Congress, 2021
15. "LONGITUDINAL ORAL ANTICOAGULANT ADHERENCE PATTERNS IN PATIENTS WITH ATRIAL FIBRILLATION: A RETROSPECTIVE OBSERVATIONAL STUDY"
    Shahrzad Salmasi, Abdollah Safari, Mary De Vera, Larry Lynd, Mieke Koehoorn, Jason Andrade, Marc Deyell, Kathy Rush, Yinshan Zhao, Peter Loewen
    Canadian Cardiovascular Congress, 2021
16. "Characterization of long-term oral anticoagulant adherence trajectories among patients with atrial fibrillation: a retrospective observational study"
    Shahrzad Salmasi, Abdollah Safari, Mary De Vera, Larry Lynd, Mieke Koehoorn, Arden Barry, Jason Andrade, Marc Deyell, Kathy Rush, Yinshan Zhao, Peter Loewen
    European Society of Cardiology Congress, 2021
17. "Comparative adherence between DOAC and VKA in patients with atrial fibrillation: a 23-year retrospective observational study in Canada"
    Shahrzad Salmasi, Abdollah Safari, Mary De Vera, Larry Lynd, Mieke Koehoorn, Arden Barry, Jason Andrade, Marc Deyell, Kathy Rush, Yinshan Zhao, Peter Loewen
    European Society of Cardiology Congress, 2021
18. "Social Support, Gender and Central Obesity: A Population-Based Secondary Analysis Study of 28,779 Adults From the Canadian Longitudinal Study on Aging"
    Zeinab Hosseini, Abdollah Safari, Gerry Veenstra, Nadia Khan, Annalijn Conklin
    Nutrition, 2021
19. "SM1 The Random Effects Warfarin Days' Supply (REWARDS) Model: Development and Validation of a NOVEL Method to Estimate Exposure to Warfarin Using Administrative Data"
    Shahrzad Salmasi, Tanja hoegg, Abdollah Safari, Mary De Vera, Larry Lynd, Mieke Koehoorn, Arden Barry, Jason Andrade, Peter Loewen
    ISPOR Congress, 2021
20. "Investigating the Clinical Utility of Individualized Risk Prediction for Preventing Acute Exacerbations of Chronic Obstructive Pulmonary Disease"
    Mohsen Sadatsafavi, A. S. Gershon, T.Y. Lee, Abdollah Safari, Shawn Aaron, M. A. Puhan, Don Sin
    American Thoracic Society 2021 International Conference, May 14-19, 2021 - San Diego, CA, 2021
21. "Recalibration and External Validation of Acute COPD Exacerbation Predictor (ACCEPT): Improving the Prediction of Acute Exacerbations of COPD"
    Mohsen Sadatsafavi, Amin Adibi, T.Y. Lee, Don Sin, Abdollah Safari
    American Thoracic Society 2021 International Conference, May 14-19, 2021 - San Diego, CA, 2021
22. "A hybrid approach based on deep learning for predicting remaining useful life"
    احد کرمی, Firouzeh Haghighi, Abdollah Safari
    12 th Reliability theory and its applications, 2026
23. "Maintenance of k-out-of-n:G load-sharing systems based on the system's remaining useful life using reinforcement learning methods."
    Firouzeh Haghighi, Abdollah Safari, شقایق عیدی
    12 th Reliability theory and its applications, 2026
24. "Smart Maintenance and Repair Using Deep Reinforcement Learning"
    Firouzeh Haghighi, Abdollah Safari, شقایق عیدی
    The 11th Specialized Seminar on Reliability and Its Applications, 2025
25. "Smart State-Dependent Maintenance with Deep Reinforcement Learning"
    Firouzeh Haghighi, Abdollah Safari, شقایق عیدی
    Reliability theory and its applications, 2025
26. "Optimized Maintenance Planning Under Random Delayed Interventions: An RL-Based Approach"
    غزاله رحیمی, مهدیس کریمی, محدثه رفیقی, نیایش وصالی, Abdollah Safari, Firouzeh Haghighi
    Reliability theory and its applications, 2025
27. "Optimizing Maintenance Scheduling in a Scrap-Based Steel Production Line Using Reinforcement Learning"
    نازنین حائریان, زهرا غلامی, Abdollah Safari, Firouzeh Haghighi
    Reliability theory and its applications, 2025
28. "Accelerated Life Test under Simple Step-Stress with Type-II Progressive Censoring and Random Removal Dependent on the Mechanism"
    نیلوفر طبیبی گیلانی, Firouzeh Haghighi, Abdollah Safari
    The 11th Specialized Seminar on Reliability and Its Applications, 2025
29. "Machine learning and its applications in reliability and safety engineering"
    [] [], Firouzeh Haghighi, Abdollah Safari
    Reliability theory and its applications, 2022