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Items: 1 to 50 of 262

1.

Prospective Comparison of Preoperative Predictive Performance Between 3 Leading Frailty Instruments.

McIsaac DI, Harris EP, Hladkowicz E, Moloo H, Lalu MM, Bryson GL, Huang A, Joanisse J, Hamilton GM, Forster AJ, van Walraven C.

Anesth Analg. 2019 Sep 27. doi: 10.1213/ANE.0000000000004475. [Epub ahead of print]

PMID:
31569165
2.

The Effect of Transplant Volume and Patient Case Mix on Center Variation in Kidney Transplantation Outcomes.

Tsampalieros A, Fergusson D, Dixon S, English SW, Manuel D, Van Walraven C, Taljaard M, Knoll GA.

Can J Kidney Health Dis. 2019 Sep 20;6:2054358119875462. doi: 10.1177/2054358119875462. eCollection 2019.

3.

How Do Common Comorbidities Modify the Association of Frailty With Survival After Elective Noncardiac Surgery? A Population-Based Cohort Study.

Hui Y, van Walraven C, McIsaac DI.

Anesth Analg. 2019 Aug 22. doi: 10.1213/ANE.0000000000004387. [Epub ahead of print]

PMID:
31453872
4.

Criteria for Hyponatremic Overcorrection: Systematic Review and Cohort Study of Emergently Ill Patients.

Woodfine JD, van Walraven C.

J Gen Intern Med. 2019 Aug 26. doi: 10.1007/s11606-019-05286-y. [Epub ahead of print] Review.

PMID:
31452039
5.

Venous thromboembolism and transfusion after major abdominopelvic surgery.

McAlpine K, Breau RH, Knee C, Carrier M, Violette PD, van Walraven C, McIsaac DI, Mallick R, Cagiannos I, Morash C, Lavallée LT.

Surgery. 2019 Jul 31. pii: S0039-6060(19)30337-X. doi: 10.1016/j.surg.2019.05.050. [Epub ahead of print]

PMID:
31377000
6.

mHOMR: a feasibility study of an automated system for identifying inpatients having an elevated risk of 1-year mortality.

Wegier P, Koo E, Ansari S, Kobewka D, O'Connor E, Wu P, Steinberg L, Bell C, Walton T, van Walraven C, Embuldeniya G, Costello J, Downar J.

BMJ Qual Saf. 2019 Jun 28. pii: bmjqs-2018-009285. doi: 10.1136/bmjqs-2018-009285. [Epub ahead of print]

PMID:
31253736
7.

Systematic radiologic detection of kidney stones in Canadian children: a new era of asymptomatic stones?

Cassim R, Van Walraven C, Lavallée LT, McAlpine K, Highmore K, Leonard MP, Guerra L, Grandpierre V, Vethamuthu J, Keays MA.

J Pediatr Urol. 2019 May 20. pii: S1477-5131(19)30135-4. doi: 10.1016/j.jpurol.2019.05.012. [Epub ahead of print]

PMID:
31235439
8.

WITHDRAWN: Death and Recovery of Kidney Function Among Patients Continued on Dialysis After Discharge From Hospital Stays Complicated by Acute Kidney Injury: A Cohort Study.

Clark EG, Hiremath S, Sood MM, Wald R, Garg AX, Silver SA, van Walraven C.

Am J Kidney Dis. 2019 Jun 17. pii: S0272-6386(19)30732-2. doi: 10.1053/j.ajkd.2019.03.429. [Epub ahead of print]

9.

A General Population Utility Valuation Study for Metastatic Epidural Spinal Cord Compression Health States.

Pahuta MA, Wai EK, Werier J, van Walraven C, Coyle D.

Spine (Phila Pa 1976). 2019 Jul 1;44(13):943-950. doi: 10.1097/BRS.0000000000002975.

PMID:
31205172
10.

The Influence of Inpatient Physician Continuity on Hospital Discharge.

van Walraven C.

J Gen Intern Med. 2019 Sep;34(9):1709-1714. doi: 10.1007/s11606-019-05031-5. Epub 2019 Jun 13.

PMID:
31197735
11.

Derivation and Validation of a Novel Risk Score to Predict Overcorrection of Severe Hyponatremia: The Severe Hyponatremia Overcorrection Risk (SHOR) Score.

Woodfine JD, Sood MM, MacMillan TE, Cavalcanti RB, van Walraven C.

Clin J Am Soc Nephrol. 2019 Jul 5;14(7):975-982. doi: 10.2215/CJN.12251018. Epub 2019 Jun 12.

PMID:
31189541
12.

Reexamination of the UN10 Rule to Discontinue Resuscitation During In-Hospital Cardiac Arrest.

Petek BJ, Bennett DN, Ngo C, Chan PS, Nallamothu BK, Bradley SM, Tang Y, Hayward RA, van Walraven C, Goldberger ZD; American Heart Association Get With the Guidelines–Resuscitation Investigators.

JAMA Netw Open. 2019 May 3;2(5):e194941. doi: 10.1001/jamanetworkopen.2019.4941.

13.

A population-based comparison of joint survival of hemiarthroplasty versus total shoulder arthroplasty in osteoarthritis and rheumatoid arthritis.

Lapner PLC, Rollins MD, Netting C, Tuna M, Bader Eddeen A, van Walraven C.

Bone Joint J. 2019 Apr;101-B(4):454-460. doi: 10.1302/0301-620X.101B4.BJR-2018-0620.R1.

PMID:
30929496
14.

Back to Bayesian: A strategy to enhance prognostication of metastatic spine disease.

Pahuta MA, Werier J, Wai EK, van Walraven C, Coyle D.

Int J Clin Pract. 2019 Apr;73(4):e13322. doi: 10.1111/ijcp.13322. Epub 2019 Mar 6.

PMID:
30843333
15.

A new "angle" on aortic neck angulation measurement.

Rockley M, Hadziomerovic A, van Walraven C, Bose P, Scallan O, Jetty P.

J Vasc Surg. 2019 Sep;70(3):756-761.e1. doi: 10.1016/j.jvs.2018.11.036. Epub 2019 Mar 2.

PMID:
30837183
16.

Can We Use Administrative Data to Accurately Identify Patients Who Receive a Prostate Biopsy?

Lavallée LT, Breau RH, Fergusson D, Walsh C, van Walraven C.

JCO Clin Cancer Inform. 2018 Dec;2:1-10. doi: 10.1200/CCI.17.00143.

17.

A General Population Utility Valuation Study For Metastatic Epidural Spinal Cord Compression Health States.

Pahuta MA, Wai EK, Werier J, van Walraven C, Coyle D.

Spine (Phila Pa 1976). 2019 Jan 7. doi: 10.1097/BRS.0000000000002975. [Epub ahead of print]

PMID:
30633114
18.

Do Diagnostic and Procedure Codes Within Population-Based, Administrative Datasets Accurately Identify Patients with Rectal Cancer?

Musselman RP, Gomes T, Rothwell DM, Auer RC, Moloo H, Boushey RP, van Walraven C.

J Gastrointest Surg. 2019 Feb;23(2):367-376. doi: 10.1007/s11605-018-4043-z. Epub 2018 Dec 3.

PMID:
30511129
19.
20.

Should emergentologists follow up on patients diagnosed with UTI having negative urine cultures? Implications for processing post-discharge laboratory results.

Woodfine JD, van Walraven C.

J Eval Clin Pract. 2019 Apr;25(2):260-264. doi: 10.1111/jep.13049. Epub 2018 Oct 12.

PMID:
30311718
21.

Hospital-, Anesthesiologist-, and Patient-level Variation in Primary Anesthesia Type for Hip Fracture Surgery: A Population-based Cross-sectional Analysis.

McIsaac DI, Wijeysundera DN, Bryson GL, Huang A, McCartney CJL, van Walraven C.

Anesthesiology. 2018 Dec;129(6):1121-1131. doi: 10.1097/ALN.0000000000002453.

PMID:
30273269
22.

Socioeconomic Status and Kidney Transplant Outcomes in a Universal Healthcare System: A Population-based Cohort Study.

Naylor KL, Knoll GA, Shariff SZ, McArthur E, Garg AX, Van Walraven C, Austin PC, McCallum MK, Quinn RR, Tan VS, Kim SJ.

Transplantation. 2019 May;103(5):1024-1035. doi: 10.1097/TP.0000000000002383.

PMID:
30247444
23.

The Ottawa SAH search algorithms: protocol for a multi- centre validation study of primary subarachnoid hemorrhage prediction models using health administrative data (the SAHepi prediction study protocol).

English SW, McIntyre L, Saigle V, Chassé M, Fergusson DA, Turgeon AF, Lauzier F, Griesdale D, Garland A, Zarychanski R, Algird A, van Walraven C.

BMC Med Res Methodol. 2018 Sep 15;18(1):94. doi: 10.1186/s12874-018-0553-3.

24.

Predictors of Clostridium difficile infection and predictive impact of probiotic use in a diverse hospital-wide cohort.

Carvour ML, Wilder SL, Ryan KL, Walraven C, Qeadan F, Brett M, Page K.

Am J Infect Control. 2019 Jan;47(1):2-8. doi: 10.1016/j.ajic.2018.07.014. Epub 2018 Sep 8.

PMID:
30205907
25.

The Psychometric Properties of a Self-Administered, Open-Source Module for Valuing Metastatic Epidural Spinal Cord Compression Utilities.

Pahuta M, Frombach A, Hashem E, Spence S, Sun C, Wai EK, Werier J, van Walraven C, Coyle D.

Pharmacoecon Open. 2019 Jun;3(2):197-204. doi: 10.1007/s41669-018-0092-1.

26.

Frailty as a Predictor of Death or New Disability After Surgery: A Prospective Cohort Study.

McIsaac DI, Taljaard M, Bryson GL, Beaulé PE, Gagné S, Hamilton G, Hladkowicz E, Huang A, Joanisse JA, Lavallée LT, MacDonald D, Moloo H, Thavorn K, van Walraven C, Yang H, Forster AJ.

Ann Surg. 2018 Jul 24. doi: 10.1097/SLA.0000000000002967. [Epub ahead of print]

PMID:
30048320
27.

Case Mix, Patterns of Care, and Inpatient Outcomes Among Ontario Kidney Transplant Centers: A Population-Based Study.

Tsampalieros A, Knoll GA, Dixon S, English S, Manuel D, Van Walraven C, Taljaard M, Fergusson D.

Can J Kidney Health Dis. 2018 Jul 17;5:2054358117730053. doi: 10.1177/2054358117730053. eCollection 2018.

28.

Anemia prevalence and incidence and red blood cell transfusion practices in aneurysmal subarachnoid hemorrhage: results of a multicenter cohort study.

English SW, Chassé M, Turgeon AF, Lauzier F, Griesdale D, Garland A, Fergusson D, Zarychanski R, van Walraven C, Montroy K, Ziegler J, Dupont-Chouinard R, Carignan R, Dhaliwal A, Mallick R, Sinclair J, Boutin A, Pagliarello G, Tinmouth A, McIntyre L; Canadian Critical Care Trials Group.

Crit Care. 2018 Jul 4;22(1):169. doi: 10.1186/s13054-018-2089-7.

29.

PREHAB study: a protocol for a prospective randomised clinical trial of exercise therapy for people living with frailty having cancer surgery.

McIsaac DI, Saunders C, Hladkowicz E, Bryson GL, Forster AJ, Gagne S, Huang A, Lalu M, Lavallee LT, Moloo H, Nantel J, Power B, Scheede-Bergdahl C, Taljaard M, van Walraven C, McCartney CJL.

BMJ Open. 2018 Jun 22;8(6):e022057. doi: 10.1136/bmjopen-2018-022057.

30.

Can Text-Search Methods of Pathology Reports Accurately Identify Patients with Rectal Cancer in Large Administrative Databases?

Musselman RP, Rothwell D, Auer RC, Moloo H, Boushey RP, van Walraven C.

J Pathol Inform. 2018 May 2;9:18. doi: 10.4103/jpi.jpi_71_17. eCollection 2018.

31.

Long-term survival and resource use in critically ill cardiac surgery patients: a population-based study.

McIsaac DI, McDonald B, Wong CA, van Walraven C.

Can J Anaesth. 2018 Sep;65(9):985-995. doi: 10.1007/s12630-018-1159-2. Epub 2018 Jun 1.

PMID:
29858989
32.

Association between perioperative beta blocker use and cancer survival following surgical resection.

Musselman RP, Bennett S, Li W, Mamdani M, Gomes T, van Walraven C, Boushey R, Al-Obeed O, Al-Omran M, Auer RC.

Eur J Surg Oncol. 2018 Aug;44(8):1164-1169. doi: 10.1016/j.ejso.2018.05.012. Epub 2018 May 17.

PMID:
29858097
33.

Incidence and trends of central line associated pneumothorax using radiograph report text search versus administrative database codes.

Reeson M, Forster A, van Walraven C.

BMJ Qual Saf. 2018 Dec;27(12):982-988. doi: 10.1136/bmjqs-2017-007715. Epub 2018 May 25.

PMID:
29802131
34.

Candida auris: Disinfectants and Implications for Infection Control.

Ku TSN, Walraven CJ, Lee SA.

Front Microbiol. 2018 Apr 12;9:726. doi: 10.3389/fmicb.2018.00726. eCollection 2018. Review.

35.

Derivation and Validation of a Generalizable Preoperative Frailty Index Using Population-based Health Administrative Data.

McIsaac DI, Wong CA, Huang A, Moloo H, van Walraven C.

Ann Surg. 2019 Jul;270(1):102-108. doi: 10.1097/SLA.0000000000002769.

PMID:
29672410
36.

Association of Preoperative Anticholinergic Medication Exposure With Postoperative Healthcare Resource Use and Outcomes: A Population-based Cohort Study.

McIsaac DI, Wong CA, Diep D, van Walraven C.

Ann Surg. 2018 Apr 18. doi: 10.1097/SLA.0000000000002765. [Epub ahead of print]

PMID:
29672409
37.

The Influence of Hospitalist Continuity on the Likelihood of Patient Discharge in General Medicine Patients.

van Walraven C.

J Hosp Med. 2018 Oct 1;13(10):692-694. doi: 10.12788/jhm.2957. Epub 2018 Mar 26.

PMID:
29578551
38.

Association of Polypharmacy with Survival, Complications, and Healthcare Resource Use after Elective Noncardiac Surgery: A Population-based Cohort Study.

McIsaac DI, Wong CA, Bryson GL, van Walraven C.

Anesthesiology. 2018 Jun;128(6):1140-1150. doi: 10.1097/ALN.0000000000002124.

PMID:
29443701
39.

Bootstrap imputation minimized misclassification bias when measuring Colles' fracture prevalence and its associations using health administrative data.

van Walraven C.

J Clin Epidemiol. 2018 Apr;96:93-100. doi: 10.1016/j.jclinepi.2017.12.012. Epub 2017 Dec 26.

PMID:
29288134
40.

A comparison of methods to correct for misclassification bias from administrative database diagnostic codes.

Walraven CV.

Int J Epidemiol. 2018 Apr 1;47(2):605-616. doi: 10.1093/ije/dyx253.

PMID:
29253160
41.

Wait Times for Melanoma Surgery: Is There an Association with Overall Survival?

Crawford AB, Nessim C, Weaver J, van Walraven C.

Ann Surg Oncol. 2018 Jan;25(1):265-270. doi: 10.1245/s10434-017-6146-2. Epub 2017 Nov 3.

PMID:
29101504
42.

The TEND (Tomorrow's Expected Number of Discharges) Model Accurately Predicted the Number of Patients Who Were Discharged from the Hospital the Next Day.

van Walraven C, Forster AJ.

J Hosp Med. 2018 Mar 1;13(3):158-163. doi: 10.12788/jhm.2802. Epub 2017 Aug 23.

PMID:
29068440
43.

Effect of Preoperative Geriatric Evaluation on Outcomes After Elective Surgery: A Population-Based Study.

McIsaac DI, Huang A, Wong CA, Wijeysundera DN, Bryson GL, van Walraven C.

J Am Geriatr Soc. 2017 Dec;65(12):2665-2672. doi: 10.1111/jgs.15100. Epub 2017 Oct 3.

PMID:
28971482
44.

Association of Hospital-level Neuraxial Anesthesia Use for Hip Fracture Surgery with Outcomes: A Population-based Cohort Study.

McIsaac DI, Wijeysundera DN, Huang A, Bryson GL, van Walraven C.

Anesthesiology. 2018 Mar;128(3):480-491. doi: 10.1097/ALN.0000000000001899. Erratum in: Anesthesiology. 2018 May;128(5):1049.

PMID:
28968275
45.

In Reply.

McIsaac DI, McCartney CJL, van Walraven C.

Anesthesiology. 2017 Oct;127(4):719-720. doi: 10.1097/ALN.0000000000001786. No abstract available.

PMID:
28926448
46.

Candidiasis and the impact of flow cytometry on antifungal drug discovery.

Ku TSN, Bernardo S, Walraven CJ, Lee SA.

Expert Opin Drug Discov. 2017 Nov;12(11):1127-1137. doi: 10.1080/17460441.2017.1377179. Epub 2017 Sep 10. Review.

PMID:
28876963
47.

Improved Correction of Misclassification Bias With Bootstrap Imputation.

van Walraven C.

Med Care. 2018 Jul;56(7):e39-e45. doi: 10.1097/MLR.0000000000000787.

PMID:
28787347
48.

A retrospective assessment of prognostication in 456,685 patients undergoing elective major non-cardiac surgery.

McIsaac D, Lavallée LT, van Walraven C.

Can J Anaesth. 2017 Sep;64(9):908-918. doi: 10.1007/s12630-017-0909-x. Epub 2017 Jul 5.

PMID:
28681269
49.

Development and validation of an administrative data algorithm to identify adults who have endoscopic sinus surgery for chronic rhinosinusitis.

Macdonald KI, Kilty SJ, van Walraven C.

J Otolaryngol Head Neck Surg. 2017 May 8;46(1):38. doi: 10.1186/s40463-017-0216-0.

50.

Pediatric tonsillectomy is a resource-intensive procedure: a study of Canadian health administrative data.

Murto KTT, Katz SL, McIsaac DI, Bromwich MA, Vaillancourt R, van Walraven C.

Can J Anaesth. 2017 Jul;64(7):724-735. doi: 10.1007/s12630-017-0888-y. Epub 2017 Apr 21.

PMID:
28432613

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