Compère V, Froemer B, Clavier T, Selim J, Burey J, Dureuil B, Gillibert A, Besnier E. Evaluation of the duration of preanesthesia consultation: prospective and multicenter study. Anesthesia and Analgesia 134:496-504, 2022

Vikas M, John K, Apruzzese P, Kendall MC, De Oliveira G. Utility of preoperative laboratory testing in ASA 1 & ASA 2 patients undergoing outpatient surgery in the United States. Journal of Clinical Anesthesia 76:110580, 2022


Aldawoodi NN, Muncey AR, Serdiuk AA, Miller MD, Hanna MM, Laborde JM, Garcia Getting RE. A retrospective analysis of patients undergoing telemedicine evaluation in the PreAnesthesia Testing Clinic at H. Lee Moffitt Cancer Center. Cancer Control 28:10732748211044347, 2021

Armoeyan M, Aarabi A, Akbari L. The effects of surgery cancellation on patients, families, and staff: a prospective cross-sectional study. Journal of PeriAnesthesia Nursing 36:695-701.E2, 2021

Duong WQ, Gabriel V, Rajan G, De Los Santos J, Farzaneh C, Yuen S, Grigorian A, Bernal N. Reduction of same-day inpatient surgical cancellations with preoperative risk satisfaction. Perioperative Care and Operating Room Management 25:100217, 2021

Hofer IS, Cheng D, Grogan T. A retrospective analysis demonstrates that a failure to document key comorbid diseases in the anesthesia preoperative evaluation associates with increased length of stay and mortality. Anesthesia and Analgesia 133:698-706, 2021

Kingery MT, Hoberman A, Baron SL, Gonzalez-Lomas G, Jazrawi LM, Alaia MJ, Strauss EJ. Day-of-surgery video calls and phone calls increase patient satisfaction with outpatient surgery experience: a randomized controlled trial of postoperative communication modalities. Journal of Bone and Joint Surgery 103:243-250, 2021

Kistler JT, Janakiraman R, Kumar S, Tiwari V. The effect of operational process changes on preoperative patient flow: evidence from field research. Productions and Operations Management 30:1647-1667, 2021

Koh WX, Phelan R, Hopman WM, Engen D. Cancellation of elective surgery: rates, reasons and effect on patient satisfaction. Canadian Journal of Surgery 64:E155-E161, 2021

Koushan M, Wood LC, Greatbanks R. Evaluating factors associated with the cancellation and delay of elective surgical procedures: a systematic review. International Journal for Quality in Health Care 33:mzab092, 2021

Qiu K, Miller K, Dalia AA. Efficiency improvements of non-operating room cardiac anesthesia services. Journal of Cardiothoracic and Vascular Anesthesia 35:2592-2597, 2021

Sommer JL, Jacobsohn E, El-Gabalawy R. Impacts of elective surgical cancellations and postponements in Canada. Canadian Journal of Anesthesia 68:315-323, 2021

Tsai HW, Huang SW, Hung YL, Hsu YS, Huang CC. Use of the smart lean method to conduct high-quality integrated perioperative management prior to hospitalization. International Journal of Environmental Research and Public Health 18:13391, 2021

Viftrup A, Dreyer P, Nikolajsen L, Holm A. Surgery cancellation: a scoping review of patients' experiences. Journal of Clinical Nursing 30:357-371, 2021

Wienhold J, Mösch L, Rossaint R, Kemper I, Derwall M, Czaplik M, Follmann A. Teleconsultation for preoperative evaluation during the coronavirus disease 2019 pandemic: a technical and medical feasibility study. European Journal of Anaesthesiology 38:1284-1292, 2021

Zhang F, Cui X, Gong R, Zhang C, Liao Z. Key experimental factors of machine learning-based identification of surgery cancellations. Journal of Healthcare Engineering 2021:6247652, 2021

Zhang K, Rashid-Kolvear M, Waseem R, Englesakis M, Chung F. Virtual preoperative assessment in surgical patients: a systematic review and meta-analysis. Journal of Clinical Anesthesia 75:110540, 2021


Abate SM, Chekole YA, Minaye SY, Basu B. Global prevalence and reasons for case cancellation on the intended day of surgery: a systematic review and meta-analysis. International Journal of Surgery Open 26:55-63, 2020

Abouleish AE, Vinta SR, Shabot SM, Patel NV, Hurwitz EE, Krishnamurthy P, Simon M. Improving agreement of ASA physical status class between pre-anesthesia screening and day of surgery by adding institutional-specific and ASA-approved examples: a quality improvement project. Perioperative Medicine 9:34, 2020

Altun AY, Özer AB, Aksoku BT, Karatepe Ü, Kilinç M, Erhan ÖL, Demirel I, Bolat E. Evaluation of the reasons for the cancellation of elective procedures at level 3 university hospital on the day of surgery. Journal of PeriAnesthesia Nursing 35:514-517, 2020

Erekat A, Servis G, Madathil SC, Khasawneh MT. Efficient operating room planning using an ensemble learning approach to predict surgery cancelations. IISE Transactions on Healthcare Systems Engineering 10:18-32, 2020

Fielding-Singh V, Willingham M, Grogan T, Neelankavil JP. Impact of the addition of examples to the American Society of Anesthesiologists physical status classification system. Anesthesia & Analgesia 130:e54-e57, 2020

Hajiaghapour K, Sepehri MM, Khasha R. Designing a cost-driven mechanism to reduce cancellation of elective surgeries. Perioperative Care and Operating Room Management 18:100085, 2020

Hallet CO, Lois FJ, Warner DO, Jastrowicz JA, Joris JL, Brichan JF. Short message service as a tool to improve perioperative follow-up of surgical outpatients: a before-after study. Anaesthesia Critical Care and Pain Medicine 39:799-805, 2020

Kamdar NV, Huverserian A, Jalilian L, Thi W, Duval V, Beck L, Brooker L, Grogan T, Lin A, Cannesson M. Development, implementation, and evaluation of a telemedicine preoperative evaluation initiative at a major academic medical center. Anesthesia and Analgesia 131:1647-1656, 2020

Knuf KM, Manohar CM, Cummings AK. Addressing inter-rater variability in the ASA-PS classification system. Military Medicine 185:e545-e549, 2020

Luo L, Zhang F, Yao Y, Gong R, Fu M, Xiao J. Machine learning for identification of surgeries with high risks of cancellation. Health Informatics Journal 26:141-155, 2020

Mabry C, Perelman S, Kim JT, Blitz JD. Implementation of a preoperative anemia clinic utilizing a minimal staffing model. A & A Practice 14:90-94, 2020


Al Talalwah N, McIltrot KH, Al Ghamdi A. Elective surgical cancellations in a tertiary hospital in the Middle East: quality improvement process. Journal of PeriAnesthesia Nursing 34:310-321, 2019

Dawson VJ, Margo J, Blanco N, Munir WM. Reducing cancellations and optimizing surgical scheduling of ophthalmology cases at a Veterans Affairs medical center. The Journal for Healthcare Quality 41:83-90, 2019

Irizarry-Alvarado JM, Lundy M, McKinney B, Ray FA, Reynolds VE, Pai SL. Preoperative evaluation clinic redesign: an initiative to improve access, efficiency, and staff satisfaction. American Journal of Medical Quality 34:348-353, 2019

Leconte D, Beloeil H, Dreano T, Ecoffey C. Post ambulatory discharge follow-up using automated text messaging. Journal of Medical Systems 43:217, 2019

Leite KA, Hobgood T, Hill B, Muckler VC. Reducing preventable surgical cancellations: improving the preoperative anesthesia interview process. Journal of PeriAnesthesia Nursing 34:929-937, 2019

Park JY, Park SJ, Ri HS, Choi EJ, Choi YM, Yoon JU. Experience of operating an anesthesia preoperative evaluation clinic in South Korea: An observational study of surgeons' satisfaction. Medicine 98:e17634, 2019

Talalwah NA, McIltrot KH. Cancellation of surgeries: integrative review. Journal of PeriAnesthesia Nursing 34:86-96, 2019

Tan AL, Chiew CJ, Wang S, Abdullah HR, Lam SS, Ong ME, Tan HK, Wong TH. Risk factors and reasons for cancellation within 24 h of scheduled elective surgery in an academic medical centre: a cohort study. International Journal of Surgery 66:72-78, 2019

Tan NL, Sestan JR. Efficiency and acceptability of an automated electronic system (DayCOR) compared with a telephone call system, for follow-up of day surgery patients. Anaesthesia and Intensive Care 47:242-250, 2019

Turunen E, Miettinen M, Setälä L, Vehviläinen-Julkunen K. Elective surgery cancellations during the time between scheduling and operation. Journal of PeriAnesthesia Nursing 34:97-107, 2019


Chang BPM, Arriaga AF, Hassan SM, Kidik P, Hepner DL, Lipsitz SR, Thomas BA, Bader AM, Correll DJ. Improving efficiency in preoperative assessment: A pilot study on visit times for preoperative evaluation. Perioperative Care and Operating Room Management 11:1-9, 2018

Da'ar OB, Al-Mutairi T. How do patient demographics, time-related variables, reasons for cancellation, and clinical procedures affect frequency of same-day operating room surgery cancelation? A maximum likelihood method. BMC Health Services Research 18:454, 2018

Hagaman DH, Ehrenfeld JM, Terekhov M, Kla KM, Hamm J, Brumley M, Wanderer JP. Compliance is contagious: using informatics methods to measure the spread of a documentation standard from a preoperative clinic. Journal of PeriAnesthesia Nursing 33:436-443, 2018

Kang E, Gillespie BM, Tobiano G, Chaboyer W. Discharge education delivered to general surgical patients in their management of recovery post discharge: a systematic mixed studies review. International Journal of Nursing Studies 87:1-13, 2018

Luo L, Liu C, Feng L, Zhao S, Gong R. A random forest and simulation approach for scheduling operation rooms: Elective surgery cancelation in a Chinese hospital urology department. International Journal of Health Planning and Management, 33:941-966, 2018

Smith BB, Smith MM, Hyder JA, Mauermann WJ, Warner ME, Licatino LK, Barbara DW. Same-day cancellation in ambulatory surgery: A retrospective review at a large academic tertiary referral center. Journal of Ambulatory Care Management 41:118-127, 2018

Taylor SK, Andrzejowski JC, Wiles MD, Bland S, Jones GL, Radley SC. A prospective observational study of the impact of an electronic questionnaire (ePAQPO) on the duration of nurse-led preoperative assessment and patient satisfaction. PLoS ONE 13:e0205439, 2018

Turunen E, Miettinen M, Setälä L, Vehviläinen-Julkunen K. The impact of a structured preoperative protocol on day of surgery cancellations. Journal of Clinical Nursing 27:288-305, 2018

Yonekura H, Seto K, Ide K, Kawasaki Y, Tanaka S, Nahara I, Takeda C, Kawakami K. Preoperative blood tests conducted before low-risk surgery in Japan: A retrospective observational study using a nationwide insurance claims database. Anesthesia & Analgesia 126:1633-1640, 2018


Burkle CM, Anderson KA, Xiong Y, Guerra AE, Tschida-Reuter DA. Assessment of the efficiency of language interpreter services in a busy surgical and procedural practice. BMC Health Services Research 17:1-6, 2017

Dahlberg K, Philipsson A, Hagberg L, Jaensson M, Hälleberg-Nyman M, Nilsson U. Cost-effectiveness of a systematic e-assessed follow-up of postoperative recovery after day surgery: a multicenter randomized trial. British Journal of Anaesthesia 119:1039-1046, 2017

Ellis MKM, Treggiari MM, Robertson JM, Rozner MA, Graven PF, Aziz MF, Merkel MJ, Kahl EA, Cohen NA, Stecker EC, Schulman PM. Process improvement initiative for the perioperative management of patients with a cardiovascular implantable electronic device. Anesthesia & Analgesia 125:58-65, 2017

Enneking FK, Radhakrishnan NS, Berg K, Patel S, Wishin JM, Vasilopoulos T. Patient-centered anesthesia triage system predicts ASA physical status. Anesthesia & Analgesia 124:1957-1962, 2017

Epstein RH, Dexter F, Schwenk ES, Witkowski TA. Bypass of an anesthesiologist-directed preoperative evaluation clinic results in greater first-case tardiness and turnover times. Journal of Clinical Anesthesia 41:112-119, 2017

Howell M, Hood AJ, Jayne DG. Use of a patient completed iPad questionnaire to improve pre-operative assessment. Journal of Clinical Monitoring and Computing 31:221-225, 2017

Hurwitz EE, Simon M, Vinta SR, Zehm CF, Shabot SM, Minhajuddin A, Abouleish AE. Adding examples to the ASA-physical status classification improves correct assignment to patients. Anesthesiology 126:614-622, 2017

Lankoandé M, Bonkoungou P, Ki BK, Kaboré AFR, Ouangré E, Savadogo Y, Bougouma CT, Sanou J, Ouedraogo N, Pendeville P. Economic and psychological burden of scheduled surgery cancellation in a sub-Saharan country (Burkina Faso). Southern African Journal of Anesthesia and Analgesia 23:145-151, 2017

Lee CM, Rodgers C, Oh AK, Muckler VC. Reducing surgery cancellations at a pediatric ambulatory surgery center. AORN Journal 105:384-391, 2017

Manji F, McCarty K, Kurzweil V, Mark E, Rathmell JP, Agarwala AV. Measuring and improving the quality of preprocedural assessments. Anesthesia & Analgesia 124:1846-1854, 2017

Morris AJ, McAvoy J, Dweik D, Ferrigno M, Macario A, Haisjackl M. Cancellation of elective cases in a recently opened, tertiary/quaternary-level hospital in the Middle East. Anesthesia & Analgesia 125:268-271, 2017

Riggs KR, Berger ZD, Makary MA, Bass EB, Chander G. Surgeons’ views on preoperative medical evaluation: a qualitative study. Perioperative Medicine 6:16, 2017

Sim EY, Tan DJA, Abdullah HR. The use of computerized physician order entry with clinical decision support reduces practice variance in ordering preoperative investigations: A retrospective cohort study. International Journal of Medical Informatics 108:29-35, 2017

Vetter TR, Barman J, Hunter JM Jr., Jones KA, Pittet JF. The effect of implementation of preoperative and postoperative care elements of a perioperative surgical home model on outcomes in patients undergoing hip arthroplasty or knee arthroplasty. Anesthesia & Analgesia 124:1450-1458, 2017

Yu K, Xie X, Luo L, Gong R. Contributing factors of elective surgical case cancellation: a retrospective cross-sectional study at a single-site hospital. BMC Surgery 17:100, 2017


Blitz JD, Kendale SM, Jain SK, Cuff GE, Kim JT, Rosenberg AD. Preoperative evaluation clinic visit is associated with decreased risk of in-hospital postoperative mortality. Anesthesiology 125:280-294, 2016

Bowen D, Bader A, Bowen-Weeks K, Canning L, Cheney M, Dello Iacono D. The value of the visit: quantifying the value added from a preoperative assessment. Perioperative Care & Operating Room Management 3:32-38, 2016

Chow VW, Hepner DL, Bader AM. Electronic care coordination from the preoperative clinic. Anesthesia & Analgesia 123:1458-1462, 2016

Fayed A, Elkouny A, Zoughaibi N, Wahabi HA. Elective surgery cancelation on day of surgery: an endless dilemma. Saudi Journal of Anaesthesia 10:68-73, 2016

Flaishon R, Groutz A, Weinbroum AA. Professionalism and cordiality are Israeli patients’ expectations and preferences when choosing an anesthesiologist: A pre-anesthesia visit survey. Perioperative Care & Operating Room Management 5:13-19, 2016

Gabriel RA, Wu A, Huang Chuan-Chin, Dutton RP, Urman RD. National incidences and predictors of inefficiencies in perioperative care. Journal of Clinical Anesthesia 31:238-246, 2016

Gaucher S, Boutron I, Marchand-Maillet F, Baron G, Douard R, Béthoux JP, AMBUPROG Group Investigators. Assessment of a standardized pre-operative telephone checklist designed to avoid late cancellation of ambulatory surgery: the AMBUPROG multicenter randomized controlled trial. PLoS One 11:e0147194, 2016

Govender D, Villafranca A, Hamlin C, Hiebert B, Parveen D, Jacobsohn E. Appropriateness of language used in patient educational materials from 24 national anesthesiology associations. Anesthesiology 125:1221-1228, 2016

Hawes RH, Andrzejowski JC, Goodhart IM, Berthoud MC, Wiles MD. An evaluation of factors influencing the assessment time in a nurse practitioner-led anaesthetic pre-operative assessment clinic. Anaesthesia 71:273-279, 2016

Kaddoum R, Fadlallah R, Hitti E, El-Jardali F, El Eid G. Causes of cancellations on the day of surgery at a tertiary teaching hospital. BMC Health Services Research 16:259, 2016

Kirkham KR, Wijeysundera DN, Pendrith C, Ng R, Tu JV, Boozary AS, Tepper J, Schull MJ, Levinson W, Bhatia RS. Preoperative laboratory investigations: rates and variability prior to low-risk surgical procedures. Anesthesiology 124:804-814, 2016

Lozada MJ, Nguyen JT, Abouleish A, Prough D, Przkora R. Patient preference for the pre-anesthesia evaluation: telephone versus in-office assessment. Journal of Clinical Anesthesia 31:145-148, 2016

Nelson O, Quinn TD, Arriaga AF, Hepner DL, Lipsitz SR, Cooper Z, Gawande AA, Bader AM. A model for better leveraging the point of preoperative assessment: patients and providers look beyond operative indications when making decisions. A & A Case Reports 6:241-248, 2016

Nicholls J, Gaskin PS, Ward J, Areti YK. Guidelines for preoperative investigations for elective surgery at Queen Elizabeth hospital: effects on practices, outcomes, and costs. Journal of Clinical Anesthesia 35:176-189, 2016

Pham CT, Gibb CL, Mittinty MN, Fitridge RA, Marshall VR, Karnon JD. A comparison of propensity score-based approaches to health service evaluation: a case study of a preoperative physician-led clinic for high-risk surgical patients. Journal of Evaluation in Clinical Practice 22:761-770, 2016

Sobrie O, Lazouni MEA, Mahmoudi S, Mousseau V, Pirlot M. A new decision support model for preanesthetic evaluation. Computer Methods and Programs in BioMedicine 133:183-193, 2016

Stoddard DR, Sebesta JA, Welder MD, Foster AJ, Rush RM. What patients really want: optimizing the military preoperative evaluation clinic. Military Medicine 181:236-242, 2016

Trentman T, Graber RC, Goss DV, Didehban R, Hagstrom SG, Fowl RJ. Identification of appropriate patients for preoperative evaluation: a quality improvement project. Journal of Hospital Administration 5:73-79, 2016


Amaya F, Shimamoto S, Matsuda M, Kageyama K, Sawa T. Preoperative anesthesia clinic in Japan: a nationwide survey of the current practice of preoperative anesthesia assessment. Journal of Anesthesia 29:175-179, 2015

Epstein RH, Dexter F. Management implications for the perioperative surgical home related to inpatient case cancellations and add-on case scheduling on the day of surgery. Anesthesia & Analgesia 121:206-218, 2015  

Gabriel RA, Skowron M, Carrubba D, Hepner DL, Bader AM. Impact of information technology on preoperative scheduling systems: a pilot study modeling scheduling systems in the preoperative clinic. The Journal of Medical Practice Management 30:2-7, 2015

Kash BA, Cline KM, Timmons S, Roopani R, Miller TR. International comparison of preoperative testing and assessment protocols and best practices to reduce surgical care costs: a systematic literature review. Advances in Health Care Management 17:161-194, 2015

Kaye AD, McDowell JL, Diaz JH, Buras JA, Young AE, Urman RD. Effective strategies in improving operating room case delays and cancellations at an academic medical center. The Journal of Medical Practice Management 30:24-29, 2015

Olson RP, Dhakal IB. Day of surgery cancellation rate after preoperative telephone nurse screening or comprehensive optimization visit. Perioperative Medicine 4:12, 2015

Onuoha OC, Hatch MB, Miano TA, Fleisher LA. The incidence of un-indicated preoperative testing in a tertiary academic ambulatory center: a retrospective cohort study. Perioperative Medicine 4:14, 2015

Singla D, Mangla M. Patient's knowledge and perception of preanesthesia check-up in rural India. Anesthesia, Essays and Researches 9:331-336, 2015

Starnes JR, McEvoy MD, Ehrenfeld JM, Sandberg WS, Wanderer JP. Automated case cancellation review system improves systems-based practice. Journal of Medical Systems 39:134, 2015

Vinagreiro M, Valverde JN, Alves D, Costa M, Gouveia P, Guerreiro E. Walking Clinic in ambulatory surgery--a patient based concept: a Portuguese pioneer project. International Journal of Surgery 18:174-177, 2015

Wanderer JP, Gruss CL, Ehrenfeld JM. Using visual analytics to determine the utilization of preoperative anesthesia assessments. Applied Clinical Informatics 6:629-637, 2015

Wittkugel E, Varughese A. Development of a nurse-assisted preanesthesia evaluation program for pediatric outpatient anesthesia. Paediatric Anaesthesia 25:719-726, 2015


Chang JH, Chen KW, Chen KB, Poon KS, Liu SK. Case review analysis of operating room decisions to cancel surgery. BMC Surgery 14:47, 2014

Dexter F, Maxbauer T, Carole Stout, Laura Archbold, Epstein RH. Relative influence on total cancelled operating room time from patients who are inpatients or outpatients preoperatively. Anesthesia & Analgesia 118:1072-1080, 2014  

Hovlid E, Bukve O. A qualitative study of contextual factors' impact on measures to reduce surgery cancellations. BMC Health Services Research 14:215, 2014

Morrice DJ, Wang D, Bard JF, Leykum LK, Noorily S, Veerapaneni P. A patient-centered surgical home to improve outpatient surgical processes of care and outcomes. IIE Transactions on Healthcare Systems Engineering 4:119-134, 2014


Cousland Z, Shelton C, O'Mahony F. Training tomorrow's doctors in the preoperative clinic. The Clinical Teacher 10:190-194, 2013

Dexter F, Ahn HS, Epstein RH. Choosing which practitioner sees the next patient in the preanesthesia evaluation clinic based on the relative speeds of the practitioner. Anesthesia & Analgesia 116:919-923, 2013  

Ehrenfeld JM, Dexter F, Rothman BS, Johnson AM, Epstein RH. Case cancellation rates measured by services differ if based on the number of cases or the number of minutes cancelled. Anesthesia & Analgesia 117:711-716, 2013  

Epstein RH, Dexter F. Rescheduling of previously cancelled surgical cases does not increase variability in operating room workload when cases are scheduled based on maximizing efficiency of use of operating room time. Anesthesia & Analgesia 117:995-1002, 2013  

Flierler WJ, Nübling M, Kasper J, Heidegger T. Implementation of shared decision making in anaesthesia and its influence on patient satisfaction. Anaesthesia 68:713-722, 2013

Gray TA, West JR, Nadolsky NA. Preanesthesia screening phone messages and rate of return based on the primary language of patient. Journal of Perianesthesia Nursing 28:11-15, 2013

Ibrahim GM, Tymianski M, Bernstein M. Priority setting in neurosurgery as exemplified by an everyday challenge. The Canadian Journal of Neurological Sciences 40:378-383, 2013

Ludbrook GL, O'Loughlin EJ, Corcoran TB, Grant C. The relationship between patient data and pooled clinical management decisions. Anesthesia and Intensive Care Journal 41:57-65, 2013

Phillips MB, Bendel RE, Crook JE, Diehl NN. Global health implications of preanesthesia medical examination for ophthalmic surgery. Anesthesiology 118:1038-1045, 2013

Puro H, Pakarinen P, Korttila K, Tallgren M. Verbal information about anesthesia before scheduled surgery - contents and patient satisfaction. Patient Education and Counseling 90:367-371, 2013

Thilen SR, Bryson CL, Reid RJ, Wijeysundera DN, Weaver EM, Treggiari MM. Patterns of preoperative consultation and surgical specialty in an integrated healthcare system. Anesthesiology 118:1028-1037, 2013

Varughese AM, Hagerman N, Townsend ME. Using quality improvement methods to optimize resources and maximize productivity in an anesthesia screening and consultation clinic. Paediatric Anaesthesia 23:597-606, 2013

Xue W, Yan Z, Barnett R, Fleisher L, Liu R. Dynamics of elective case cancellation for inpatient and outpatient in an academic center. Journal of Anesthesia and Clinical Research 4:314, 2013


Dexter F, Shi P, Epstein RH. Descriptive study of case scheduling and cancellations within 1 week of the day of surgery. Anesthesia & Analgesia 115:1188-1195, 2012  

Dexter F, Witkowski TA, Epstein RH. Forecasting preanesthesia clinic appointment duration from the electronic medical record medication list. Anesthesia & Analgesia 114:670-673, 2012  

Fritsch G, Flamm M, Hepner DL, Panisch S, Seer J, Soennichsen A. Abnormal pre-operative tests, pathologic findings of medical history, and their predictive value for perioperative complications. Acta Anaesthesiologica Scandinavica 56:339-350, 2012

Grant C, Ludbrook G, O'Loughlin E, Corcoran T. An analysis of computer-assisted pre-screening prior to elective surgery. Anaesthesia & Intensive Care 40:297-304, 2012

Hovlid E, Bukve O, Haug K, Aslaksen AB, von Plessen C. A new pathway for elective surgery to reduce cancellation rates. BMC Health Services Research 12:154, 2012

Mata J, Cabrera S, Valldeperas MI, Fernández S, Aguilar JL, Atanassoff PG. A national survey on current practice of preanaesthetic assessment in elective surgery patients in Spain. Revista Española de Anestesiología y Reanimación 59:299-305, 2012

McIntosh B, Cookson G, Jones S. Cancelled surgeries and payment by results in the English National Health Service. Journal of Health Services Research & Policy 17:79-86, 2012

Muckler VC, Vacchiano CA, Sanders EG, Wilson JP, Champagne MT. Focused anesthesia interview resource to improve efficiency and quality. Journal of PeriAnesthesia Nursing 27:376-384, 2012

Sandberg EH, Sharma R, Sandberg WS. Deficits in retention for verbally presented medical information. Anesthesiology 117:772-779, 2012

Vazirani S, Lankarani-Fard A, Liang LJ, Stelzner M, Asch SM. Perioperative processes and outcomes after implementation of a hospitalist-run preoperative clinic. Journal of Hospital Medicine 7:697-701, 2012

Wijeysundera DN, Austin PC, Beattie WS, Hux JE, Laupacis A. Variation in the practice of preoperative medical consultation for major elective noncardiac surgery: a population-based study. Anesthesiology 116:25-34, 2012


Flamm M, Fritsch G, Seer J, Panisch S, Sönnichsen AC. Non-adherence to guidelines for preoperative testing in a secondary care hospital in Austria: the economic impact of unnecessary and double testing. European Journal of Anaesthesiology 28:867-873, 2011

Kakinuma A, Nagatani H, Otake H, Mizuno J, Nakata Y. The effects of short interactive animation video information on preanesthetic anxiety, knowledge, and interview time: a randomized controlled trial. Anesthesia & Analgesia 112:1314-1318, 2011

Katz RI, Dexter F, Rosenfeld K, Wolfe L, Redmond V, Agarwal D, Salik I, Goldsteen K, Goodman M, Glass PS. Survey study of anesthesiologists' and surgeons' ordering of unnecessary preoperative laboratory tests. Anesthesia & Analgesia 112:207-212, 2011  

Schuster M, Neumann C, Neumann K, Braun J, Geldner G, Martin J, Spies C, Bauer M; for the CASCAES Study Group. The effect of hospital size and surgical service on case cancellation in elective surgery: results from a prospective multicenter study. Anesthesia & Analgesia 113:578-585, 2011

Soltner C, Giquello JA, Monrigal-Martin C, Beydon L. Continuous care and empathic anaesthesiologist attitude in the preoperative period: impact on patient anxiety and satisfaction. British Journal of Anaesthesia 106:680-686, 2011


Chelly JE, Horne JL, Hudson ME, Williams JP. Factors impacting on-time transfer to the operating room in patients undergoing peripheral nerve blocks in the preoperative area. Journal of Clinical Anesthesia 22:115-121, 2010

Edward GM, Preckel B, Martijn BS, Oort FJ, de Haes HC, Hollmann MW. The effects of implementing a new schedule at the preoperative assessment clinic. European Journal of Anaesthesiology 27: 209-213, 2010

Harnett MJ, Correll DJ, Hurwitz S, Bader AM, Hepner DL. Improving efficiency and patient satisfaction in a tertiary teaching hospital preoperative clinic. Anesthesiology 112: 66-72, 2010

Lau HK, Chen TH, Liou CM, Chou MC, Hung WT. Retrospective analysis of surgery postponed or cancelled in the operating room. Journal of Clinical Anesthesia 22:237-240, 2010

Schiff JH, Frankenhauser S, Pritsch M, Fornaschon SA, Snyder-Ramos SA, Heal C, Schmidt K, Martin E, Böttiger BW, Motsch J. The Anesthesia Preoperative Evaluation Clinic (APEC): a prospective randomized controlled trial assessing impact on consultation time, direct costs, patient education and satisfaction with anesthesia care. Minerva Anestesiologica 76:491-499, 2010

Trentman TL, Mueller JT, Gray RJ, Pockaj BA, Simula DV. Outpatient surgery performed in an ambulatory surgery center versus a hospital: comparison of perioperative time intervals. American Journal of Surgery 200:64-67, 2010

Tung A, Dexter F, Jakubczyk S, Glick DB. The limited value of sequencing cases based on their probability of cancellation. Anesthesia & Analgesia 111:749-756, 2010  

van Klei WA, Peelen LM, Kruijswijk JE, van Wolfswinkel L. Feedback system to estimate the quality of outpatient preoperative evaluation records: an analysis of end-user satisfaction. British Journal of Anaesthesia 105:620-626, 2010


Argo JL, Vick CC, Graham LA, Itani KM, Bishop MJ, Hawn MT. Elective surgical case cancellation in the Veterans Health Administration system: identifying areas for improvement. American Journal of Surgery 198: 600-606, 2009

Haana V, Sethuraman K, Stephens L, Rosen H, Meara JG. Case cancellations on the day of surgery: an investigation in an Australian paediatric hospital. ANZ Journal of Surgery 79: 636-640, 2009

Seim AR, Fagerhaug T, Ryen SM, Curran P, Sæther OD, Myhre HO, Sandberg WS. Causes of cancellations on the day of surgery at two major university hospitals. Surgical Innovation 16: 173-180, 2009

Zonderland ME, Boer Fredrik, Boucherie RJ, de Roode A, van Kleef JW. Redesign of a university hospital preanesthesia evaluation clinic using a queuing theory approach. Anesthesia & Analgesia 109: 1612-1621, 2009


Edward GM, Biervliet JD, Hollmann MW, Schlack WS, Preckel B. Comparing the organizational structure of the preoperative assessment clinic at eight university hospitals. Acta Anaesthesiologica Belgica 59:33-37, 2008

Edward GM, Das SF, Elkhuizen SG, Bakker PJM, Hontelez JAM, Hollman MW, Preckel B, Lemaire LC. Simulation to analyse planning difficulties at the preoperative assessment clinic. British Journal of Anaesthesia 100:195-202, 2008

Edward GM, de Haes JC, Oort FJ, Lemaire LC, Hollmann MW, Preckel B. Setting priorities for improving the preoperative assessment clinic: the patients' and the professionals' perspective. British Journal of Anaesthesia 100:322-326, 2008

Edward GM, Razzaqt S, de Roode A, Boer'll F, Hollmann MW, Dzoljic M, Lemaire C. Patient flow in the preoperative assessment clinic. European Journal of Anaesthesiology 25:280-286, 2008

Murthy BV, Lake SP, Fisher AC. Evaluation of a decision support system to predict preoperative investigations. British Journal of Anaesthesia 100:315-321, 2008

Salzwedel C, Petersen C, Blanc I, Koch U, Goetz AE, Schuster M. The effect of detailed, video-assisted anesthesia risk education on patient anxiety and the duration of the preanesthetic interview: a randomized controlled trial. Anesthesia & Analgesia 106:202-209, 2008


Edward GM, Lemaire LC, Preckel B, Oort FJ, Bucx MJL, Hollmann MW, de Haes JCJM. Patient experiences with the preoperative assessment clinic (PEPAC): validation of an instrument to measure patient experiences. British Journal of Anaesthesia 99:666-672, 2007

Holt NF, Silverman DG, Prasad R, Dziura J, Ruskin KJ. Preanesthesia clinics, information management, and operating room delays: Results of a survey of practicing anesthesiologists. Anesthesia & Analgesia 104:615-618, 2007

Sanjay P, Dodds A, Miller E, Arumugam PJ, Woodward A. Cancelled elective operations: an observational study from a district general hospital. Journal of Health Organization and Management 21:54-58, 2007

Yang YL, Wang KJ, Chen WH, Chuang KC, Tseng CC, Liu CC. Improved satisfaction of preoperative patients after group video-teaching during interview at preanesthetic evaluation clinic: the experience of a medical center in Taiwan. Acta Anaesthesiologica Taiwanica 45:149-154, 2007


Basson MD, Butler TW, Verma H. Predicting patient nonappearance for surgery as a scheduling strategy to optimize operating room utilization in a Veterans' Administration hospital. Anesthesiology 104; 826-834, 2006

Correll DJ, Bader AM, Hull MW, Hsu C, Tsen LC, Hepner DL. Value of preoperative clinic visits in identifying issues with potential impact on operating room efficiency. Anesthesiology 105:1254-1259, 2006

Hariharan S, Chen D, Merritt-Charles L. Evaluation of the utilization of the preanaesthetic clinics in a university teaching hospital. BMC Health Services Research 6(1):59, 2006

Seidel JE, Beck CA, Pocobelli G, Lemaire JB, Bugar JM, Quan H, Ghali WA. Location of residence associated with the likelihood of patient visit to the preoperative assessment clinic. BMC Health Services Research 6:13, 2006


Dexter F, Marcon E, Epstein RH, Ledolter J. Validation of statistical methods to compare cancellation rates on the day of surgery. Anesthesia & Analgesia 101:465-473, 2005  

Ferschl MB, Tung A, Sweitzer B, Huo D, Glick DB. Preoperative clinic visits reduce operating room cancellations and delays. Anesthesiology 103:855-859, 2005

Finegan BA, Rashiq S, McAlister FA, O'Connor P. Selective ordering of preoperative investigations by anesthesiologists reduces the number and cost of tests. Canadian Journal of Anesthesia 52:575-580, 2005

Schofield WN, Rubin GL, Piza M, Lai YY, Sindhusake D, Fearnside MR, Klineberg PL. Cancellation of operations on the day of intended surgery at a major Australian referral hospital. Medical Journal of Australia 182:612-615, 2005


de Oliveira Filho GR, Schonhorst L. The development and application of an instrument for assessing resident competence during preanesthesia consultation. Anesthesia & Analgesia 99:62-69, 2004

Ferrari LR. Preoperative evaluation of pediatric surgical patients with multisystem considerations. Anesthesia & Analgesia 99:1058-1069, 2004

Hepner DL, Bader AM, Hurwitz S, Gustafson M, Tsen LC. Patient satisfaction with preoperative assessment in a preoperative assessment testing clinic. Anesthesia & Analgesia 98:1099-1105, 2004

Robb WB, O’Sullivan MJ, Brannigan AE, Bouchier-Hayes DJ. Are elective surgical operations cancelled due to increasing medical admissions? Irish Journal of Medical Science 173:129-132, 2004

van Klei WA, Hennis PJ, Moen J, Kalkman CJ, Moons KG. The accuracy of trained nurses in pre-operative health assessment: results of the OPEN study. Anaesthesia 59:971-978, 2004


Rai MR, Pandit JJ. Day of surgery cancellations after nurse-led pre-assessment in an elective surgical centre: the first 2 years. Anaesthesia 58:692-699, 2003


Gibby GL. How preoperative assessment programs can be justified to hospital administration. International Anesthesiology Clinics 40:17-30, 2002

Kinley H, Czoski-Murray C, George S, McCabe C, PrimroseJ, Reilly C, Wood R, Nicolson P, Healy C, Read S, Norman J, Janke E, Alhameed H, Fernades N, Thomas E. Effectiveness of appropriately trained nurses in preoperative assessment: randomized controlled equivalence/non-inferiority trial. BMJ 325(7376):1323-1327, 2002

Tsen LC, Segal S, Pothier M, Hartley LH, Bader AM. The effect of alterations in a preoperative assessment clinic on reducing the number and improving the yield of cardiology consultations. Anesthesia & Analgesia 95:1563-1568, 2002

van Klei WA, Moons KGM, Rutten CLG, Schuurhuis A, Knape JTA, Kalkman CJ, Grobbee DE. The effect of outpatient preoperative evaluation of hospital inpatients on cancellation of surgery and length of hospital stay. Anesthesia & Analgesia 94:644-649, 2002


Parker BM, Tetzlaff JE, Litaker DL, Maurer WG. Redefining the preoperative evaluation process and the role of the anesthesiologist. Journal of Clinical Anesthesia 12:350-356, 2000


Dexter F. Design of appointment systems for preanesthesia evaluation clinics to minimize patient waiting times: a review of computer simulation and patient survey studies. Anesthesia & Analgesia 89:925-931, 1999  

Pollard JB, Olson L. Early outpatient preoperative anesthesia assessment: does it help to reduce operating room cancellations? Anesthesia & Analgesia 89:502-505, 1999

Power LM, Thackray NM. Reduction of preoperative investigations with the introduction of an anaesthetist-led preoperative assessment clinic. Anaesthesia & Intensive Care 27:481-488, 1999


Done ML, Lee A. The use of a video to convey preanesthetic information to patients undergoing ambulatory surgery. Anesthesia & Analgesia 87:531-536, 1998

Gibby GL, Schwab WK. Availability of records in an outpatient preanesthetic evaluation clinic. Journal of Clinical Monitoring and Computing 14:385-391, 1998


Gibby GL, Paulus DA, Sirota DJ, Treloar RW, Jackson KI, Gravenstein JS, van der Aa JJ. Computerized pre-anesthetic evaluation results in additional abstracted comorbidity diagnoses. Journal of Clinical Monitoring 13:35-41, 1997

Shearer W, Monagle J, Michaels M. A model of community based, preadmission management for elective surgical patients. Canadian Journal of Anesthesia 44:1311-1314, 1997

Starsnic MA, Guarnieri DM, Norris MC. Efficacy and financial benefit of an anesthesiologist-directed university preadmission evaluation center. Journal of Clinical Anesthesia 9:299-305, 1997

Tait AR, Voepel-Lewis T, Munro HM, Gutstein HB, Reynolds PI. Cancellation of pediatric outpatient surgery: economic and emotional implications for patients and their families. Journal of Clinical Anesthesia 9:213-219, 1997

Tessler MJ, Kleiman SJ, Huberman MM. A “zero tolerance for overtime” increases surgical per case costs. Canadian Journal of Anaesthesia 44:1036-1041, 1997


Fischer SP. Development and effectiveness of an anesthesia preoperative evaluation clinic in a teaching hospital. Anesthesiology 85:196-206, 1996

Pollard JB, Zboray AL, Mazze RI. Economic benefits attributed to opening a preoperative evaluation clinic for outpatients. Anesthesia & Analgesia 83:407-410, 1996

Zvara DA, Mathes DD, Brooker RF, McKinley AC. Video as a patient teaching tool: does it add to the preoperative anesthetic visit? Anesthesia & Analgesia 82:1065-1068, 1996


Boothe P, Finegan BA. Changing the admission process for elective surgery: an economic analysis. Canadian Journal of Anesthesia 42:391-394, 1995

Macarthur AJ, Macarthur C, Bevan JC. Determinants of pediatric day surgery cancellation. Journal of Clinical Epidemiology 48:485-489, 1995


Jackson KI, Gibby GL, van der Aa JJ, Arroyo AA, Gravenstein JS. The efficiency of preoperative evaluation: a comparison of computerized and paper recording systems. Journal of Clinical Monitoring 10:189-193, 1994

Lacqua MJ, Evans JT. Cancelled elective surgery: an evaluation. American Surgeon 60:809-811, 1994


Guyuron B, Zarandy S. Causes for cancellation of aesthetic and reconstructive procedures. Plastic & Reconstructive Surgery. 92:662-670, 1993

Livingstone JI, Harvey M, Kitchin N, Shah N, Wastell C. Role of pre-admission clinics in a general surgical unit: a 6-month audit. Annals of the Royal College of Surgeons of England 75:211-212, 1993


Conway JB, Goldberg J, Chung F. Preadmission anaesthesia consultation clinic. Canadian Journal of Anesthesia 39:1051-1057, 1992

Mangan JL, Walsh C, Kernohan WG, Murphy JS, Mollan RA, McMillen R, Beverland DE. Total joint replacement: implication of cancelled operations for hospital costs and waiting list management. Quality in Health Care 1(1):34-7, 1992


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Kleinfeldt AS. Preoperative phone calls. Reducing cancellations in pediatric day surgery. AORN Journal 51:1559-1564, 1990