- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT06844227
Perioperativ antikoagulantanvendelse til evaluering af evaluering af kirurgi -Virtuelt besøg (pause-virtuel), en simpel perioperativ antikoagulanthåndteringsmetode, der erstatter en ressourceintensiv personlige konsultation (PAUSEVirtual)
Perioperativ antikoagulantanvendelse til evaluering af kirurgi -Virtual Besøg (pause-virtuel), en simpel perioperativ antikoagulanthåndteringsmetode, der erstatter en ressourceintensiv personlig læge-patient-konsultation, med en simpel virtuel plejemodel, der vil give en ny standard for pleje af patienter på en direkte oral antikoagulant eller WarFarin og kræver valgt kirurgi/procedure.
Studieoversigt
Status
Betingelser
Detaljeret beskrivelse
Det kliniske problem: Håndtering af patienter, der tager warfarin eller en direkte oral antikoagulant (DOAC) og har brug for en valgfri kirurgi/procedure, er et almindeligt og vigtigt klinisk problem: (i) ~ 200.000 patienter/år vurderes i Canada for en sådan ledelse, og dette vil stige på grund af en aldrende befolkning og en stigning i antikoagulantbrug; og (ii) hvis antikoagulantia ikke styres omhyggeligt, med evidensbaserede protokoller, kan patienter udsættes for en øget risiko for at deaktivere slagtilfælde, hvis antikoagulantafbrydelse er for lang eller livstruende blødning, hvis afbrydelse er for kort.
Problemet med levering af sundhedsydelser: Perioperativ håndtering af antikoagulantbehandling er traditionelt blevet udført i en personlige indstilling, hvor patienter modtager instruktioner om, hvornår de skal stoppe og genstarte antikoagulantia og om nødvendigt for at modtage undervisning til selvadministrator heparin at bygge bro. Den covid pandemi har opsagt denne leveringsmodel for sundhedsydelser, hvilket nødvendiggør virtuel styring via telefon/video. Virtuel patientpleje til at håndtere perioperativ antikoagulation har potentialet til at være en effektiv og patientvenlig standard post-pandemi. For at nå dette mål skal det imidlertid pålideligt vises, at praktisk talt administreret, standardiseret, perioperativ antikoagulationsstyring er: (i) sikkert med acceptabelt lave hastigheder af slagtilfælde og blødning; (ii) let at anvende i praksis; og (iii) acceptabelt for patienter.
Arbejde af ansøgere, der giver grundlaget for pause-virtuel: Grundlaget for denne undersøgelse er baseret på vores tidligere arbejde: (i) Vi har LED-multicenter-kliniske forsøg (bro, pause), der giver benchmarks til sikker perioperativ behandling af patienter, der modtager Warfarin eller en DOAC; (ii) Ledelsesprotokollerne fra disse forsøg blev inkorporeret i et klinisk beslutningsværktøj, der er tilgængeligt (omkostningsfrit) af Thrombosis Canada (www.thrombosiscanada.ca). Denne app-app-app tillader input af patientspecifik information til håndtering af individuelle patienter med atrieflimmer/fladder (AF), der modtager warfarin eller en DOAC og kræver en valgfri kirurgi/procedure. Ved afslutningen af vurderingen er en care-sti-resume tilgængelig som PDF for klinikere og patienter til download og udskrivning.
Muligheden: Pandemien har nødvendiggjort vedtagelsen af virtuel perioperativ antikoagulanthåndtering, men har også givet mulighed for at revurdere, hvordan sådan pleje kan leveres sikkert. I betragtning af at (i) perioperative antikoagulantafbrydelse/genoptagelse og heparinbro-protokoller er standardiserede, og (ii) der er en brugervenlig, pegeperiode, ledelsesapp, der er tilgængelig, har vi en unik mulighed for at anvende evidensinformerede protokoller med brugervenlige videnoversættelsesværktøjer til at vurdere sikkerheden og acceptabiliteten for patienter med virtuel perioperativ anticoagulant Management.
Opløsningen: En potentiel kohortundersøgelse (ikke-RCT), der vurderer standardiseret virtuel perioperativ styring i 2 kohorter af patienter på warfarin eller en DOAC, der kræver en valgfri kirurgi/procedure.
Hypotese og postulater: (i) Vi antager, at virtuel perioperativ behandling vil være sikker for patientpleje, med 30-dages postoperative hastigheder for slagtilfælde/systemisk emboli (SSE) ≤0,5% og større blødning (MB) ≤1,5%. Med en prøvestørrelse på 847 patienter i kohort 1 og i kohort 2 vil vi have 90% effekt på 95% niveau af betydning for at afvise nulhypotesen om, at de observerede satser er ≥1,5% for SSE og ≥3% for MB i hver kohort. (ii) Vi postulerer (a), at virtuel styring vil være så sikker som i matchede historiske kontrolgrupper, der modtog benchmark personlig ledelse, (b) at virtuel ledelse vil reducere sundhedsomkostninger og omkostninger for patienter, og (c) at patienter vil være tilfredse med virtuel ledelse og vil være villige til at modtage denne metoder til sundhedslevering efter pandemik.
Betydning: Pause-Virtual vil skifte perioperativ antikoagulanthåndtering fra en ressourceintensiv personlig model til en patientvenlig virtuel model og etablere en standard-af-plejeindstilling for 200.000 patienter/år i Canada. Vi er den førende gruppe i perioperativ antikoagulanthåndtering over hele verden efter at have gjort Landmark Bridge1 og Pause2 -forsøgene. Der er ingen anden forskningsgruppe (som vi kender til), der vil gøre denne retssag, og den vil ikke blive finansieret af industrien (ingen kommerciel interesse).
Undersøgelsestype
Tilmelding (Anslået)
Kontakter og lokationer
Studiekontakt
- Navn: James D Douketis, MD
- Telefonnummer: 36178 905-522-1155
- E-mail: jdouket@mcmaster.ca
Undersøgelse Kontakt Backup
- Navn: Melanie St John
- Telefonnummer: 21645 905-525-9140
- E-mail: stjohm1@mcmaster.ca
Studiesteder
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Nova Scotia
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Halifax, Nova Scotia, Canada, B3H 3A7
- Rekruttering
- QEII Health Sciences Centre
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Kontakt:
- Sudeep Shivakumar, MD
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Kontakt:
- Josh Nosel
- Telefonnummer: 902-473-2520
- E-mail: joshua.nosel@nshealth.ca
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Ontario
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Hamilton, Ontario, Canada, L8L 2X2
- Rekruttering
- Hamilton General Hospital
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Kontakt:
- Sam Schulman, MD
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Kontakt:
- Michelle Zondag
- Telefonnummer: 43571 905-527-4233
- E-mail: zondag@hhsc.ca
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Hamilton, Ontario, Canada, L8N 4A6
- Rekruttering
- St. Joesph's Healthcare
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Kontakt:
- Ralph Laurence Gaa
- Telefonnummer: 905-325-1842
- E-mail: gaar@mcmaster.ca
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Kontakt:
- James D Douketis, MD
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Hamilton, Ontario, Canada, L8V 1C3
- Rekruttering
- Juravinski
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Kontakt:
- Erjona Kruja
- Telefonnummer: 43761 905-521-2100
- E-mail: kruja@hhsc.ca
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Kontakt:
- Davide Matino, MD
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Ottawa, Ontario, Canada, K1H 8L6
- Rekruttering
- The Ottawa Hospital
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Kontakt:
- Marc Carrier, MD
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Kontakt:
- Samuel Hamilton
- Telefonnummer: 74113 613-737-8899
- E-mail: samuelhamilton@ohri.ca
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Illinois
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Evanston, Illinois, Forenede Stater, 60201
- Rekruttering
- Endeavor Health - Northshore
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Kontakt:
- Marisa Durante
- Telefonnummer: (847) 503-6454
- E-mail: mdurante@northshore.org
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Kontakt:
- Alfonso Tafur, MD
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Michigan
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Detroit, Michigan, Forenede Stater, 482032
- Rekruttering
- Henry Ford
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Kontakt:
- Scott Kaatz, MD
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Kontakt:
- Beverly Stallings
- Telefonnummer: 313-916-7747
- E-mail: bstalli1@hfhs.org
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New York
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Great Neck, New York, Forenede Stater, 11021
- Rekruttering
- Northwell Health
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Kontakt:
- Kanta Ochani
- Telefonnummer: (516) 600-1484
- E-mail: kochani@northwell.edu
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Kontakt:
- Alex Spyropoulos, MD
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Pennsylvania
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Philadelphia, Pennsylvania, Forenede Stater, 19107
- Rekruttering
- Thomas Jefferson University Hospital
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Kontakt:
- Alesha Amin
- Telefonnummer: 469.216.3746
- E-mail: alesha.amin@jefferson.edu
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Kontakt:
- Geno Merli, MD
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Larisa, Grækenland, 413 34
- Rekruttering
- Larissa University Hospital
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Kontakt:
- Maria Ntalouka
- Telefonnummer: 30-241-350-1000
- E-mail: maria.ntalouka@icloud.com
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Kontakt:
- Eleni Arnaoutoglou, MD
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inkluderingskriterier:
(i) Alder 18 år eller ældre med AF/fladder (kronisk, vedvarende, paroxysmal), der kræver antikoagulation (ii), der modtager warfarin, med et mål international normaliseret forhold (INR) interval på 2,0-3,0 eller en DOAC, der omfatter et af følgende regimenser: apixaban, 2,5 mg eller 5 mgbid; Edoxaban, 30 mg eller 60 mg dagligt; dabigatran, 110 mg eller 150 mg bud; eller rivaroxaban, 15 mg eller 20 mg dagligt.
(iii) kræver en valgfri (planlagt, ikke-presserende) operation eller invasiv medicinsk eller kirurgisk procedure
Ekskluderingskriterier:
(i) Indikation for antikoagulation er ikke AF/fladder (f.eks. Mekanisk hjerteventil, VTE, andet) (ii) Ikke-standard antikoagulantregime anvendt (f.eks. Warfarin INR 3-4, rivaroxaban 2,5 mg BID) (iii) I DOAC-brugere: Creatinine Clearance <25 ML/Min (DET PRECLUDE DOAC BRUG) (IV) (III) I DOAC-brugere er: Creatinine Clearing Psykiatrisk sygdom (der udelukker pålidelig kontakt under opfølgning) (V) ude af stand eller uvillig til at give samtykke til virtuel pleje (personlige pleje vil blive leveret) (VI) Tidligere deltagelse i denne undersøgelse til en valgfri kirurgi/procedure
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Kohorter og interventioner
Gruppe / kohorte |
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Kohort 1: Warfarin-behandlede patienter
Kohort 1: Warfarin-behandlede patienter med AF, der modtager virtuel perioperativ ledelse
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Kohort 2: Doac-behandlede patienter
Kohort 2: DOAC-behandlede patienter med AF, der modtager virtuel perioperativ styring. Ved hjælp af dette design sigter efterforskeren mod at vises i kohorter 1 og 2, at virtuel styring er ikke-underordnet for benchmark-personlig ledelse, defineret af 30-dages postoperative satser på SSE ≤0,5% (med 95% tillid til at udelukke 1,5% sats) og MB ≤1,5% (med 95% tillid til at ekskludere 3% sats). |
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
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Primært resultat
Tidsramme: Fra tilmelding til slutningen af 30 dages opfølgning
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Undersøgeren bestemmer 30-dages post-procedure-hændelsesrater med 95%konfidensinterval (CIS) for slagtilfælde/systemisk emboli (SSE), større blødning (MB) og med en ensidig binomial test bestemmer i kohort 1 og kohort 2, hvis SSE-hastigheden er lavere end 1,5%, og MB-hastigheden er lavere end 3%.
Undersøgeren vil sammenligne patientens demografiske (f.eks. Alder, køn) og kliniske egenskaber (f.eks. Kirurgisk type, SSE/MB -risiko) i kohort 1 Vs.
Kontrol 1 og kohort 2 Vs.
Kontrol 2 ved hjælp af Fishers nøjagtige test henholdsvis for at sammenligne SSE og MB i kohorter og kontroller, justering for nøglecovariater (f.eks. Kirurgisk type, antikoagulantype, køn) ved anvendelse af multivariat logistisk regression.
Undersøgeren vil bestemme de proportioner (og 95% CI'er) for kategorier af patienttilfredshed i virtuel pleje og vilje til at modtage fremtidig virtuel pleje.
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Fra tilmelding til slutningen af 30 dages opfølgning
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Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Sekundært resultat 1
Tidsramme: Fra tilmelding til slutningen af 30 dages opfølgning
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To demonstrate that virtual management is safe, as defined by 30-day postoperative rates of stroke/systemic embolism (SSE) of ≤0.5% and major bleeding (MB) of ≤1.5% with ability to exclude rates of SSE and MB of 1.5% and 3.0%, with a sample of 847 patients in Cohorts 1 and 2, the investigator will have 90% power at the 95% level of significance to reject the Nulhypotese om, at den observerede hastighed for SSE er ≥1,5% og MB er ≥3,0%.
Denne prøvestørrelse på 847 øges med 5% til 890 patienter pr. Kohort (1.780 i alt) for at redegøre for annullerede operationer/procedurer og patienter mistet til opfølgning.
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Fra tilmelding til slutningen af 30 dages opfølgning
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Sekundært resultat 2
Tidsramme: Fra tilmelding til slutningen af 30 dages opfølgning
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Undersøgeren vil bestemme omkostningseffektiviteten af den virtuelle ledelse sammenlignet med personlig pleje fra både offentlige betaler og samfundsmæssige perspektiver.
Brug af sundhedsressourcer vil blive indsamlet sammen med den kliniske dataindsamling, der inkluderer læge, sygepleje og farmaceutkonsultationstid, medicin, diagnostik og procedurer og indlæggelse.
Patientens tid og rejseomkostninger vil også blive inkluderet i analysen fra det samfundsmæssige perspektiv.
Trinvis omkostningseffektivitetsforhold mellem hver af kohorten og den tilsvarende kontrolgruppe beregnes.
95% konfidensinterval for forholdet estimeres ved hjælp af ikke-parametrisk bootstrapping-tilgang.
Cost Effektivitet Acceptabilitetskurver vil blive brugt til at vise sandsynligheden for, at virtuel pleje er omkostningseffektiv sammenlignet med personligt pleje over en lang række værdier til betalingsværdier.
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Fra tilmelding til slutningen af 30 dages opfølgning
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Samarbejdspartnere og efterforskere
Sponsor
Efterforskere
- Ledende efterforsker: James D Douketis, MD, McMaster University/St. Joseph's Healthcare
Publikationer og nyttige links
Generelle publikationer
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- Douketis JD, Spyropoulos AC, Kaatz S, Becker RC, Caprini JA, Dunn AS, Garcia DA, Jacobson A, Jaffer AK, Kong DF, Schulman S, Turpie AG, Hasselblad V, Ortel TL; BRIDGE Investigators. Perioperative Bridging Anticoagulation in Patients with Atrial Fibrillation. N Engl J Med. 2015 Aug 27;373(9):823-33. doi: 10.1056/NEJMoa1501035. Epub 2015 Jun 22.
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- Jamula E, Woods K, Verhovsek M, Douketis JD, McDonald E. Comparison of pain and ecchymosis with low-molecular-weight heparin vs. unfractionated heparin in patients requiring bridging anticoagulation after warfarin interruption: a randomized trial. J Thromb Thrombolysis. 2009 Oct;28(3):266-8. doi: 10.1007/s11239-009-0312-8. Epub 2009 Feb 14. Erratum In: J Thromb Thrombolysis. 2009 Oct;28(3):269. McDonald, Ellen [added].
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- Shaw JR, Zhang T, Le Gal G, Douketis J, Carrier M. Perioperative interruption of direct oral anticoagulants and vitamin K antagonists in patients with atrial fibrillation: A comparative analysis. Res Pract Thromb Haemost. 2020 Jan 20;4(1):131-140. doi: 10.1002/rth2.12285. eCollection 2020 Jan.
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- Spyropoulos AC, Myrka A, Triller DM, Ragan S, York C, King JM, Lee TK. Uptake and Utilization of the Management of Anticoagulation in the Periprocedural Period App: Longitudinal Analysis. JMIR Mhealth Uhealth. 2018 Dec 21;6(12):e11090. doi: 10.2196/11090.
- Spyropoulos AC, Giannis D, Cohen J, John S, Myrka A, Inlall D, Qiu M, Akgul S, Hyman RJ, Wang JJ. Implementation of the Management of Anticoagulation in the Periprocedural Period App Into an Electronic Health Record: A Prospective Cohort Study. Clin Appl Thromb Hemost. 2020 Jan-Dec;26:1076029620925910. doi: 10.1177/1076029620925910.
- Sherwood MW, Douketis JD, Patel MR, Piccini JP, Hellkamp AS, Lokhnygina Y, Spyropoulos AC, Hankey GJ, Singer DE, Nessel CC, Mahaffey KW, Fox KA, Califf RM, Becker RC; ROCKET AF Investigators. Outcomes of temporary interruption of rivaroxaban compared with warfarin in patients with nonvalvular atrial fibrillation: results from the rivaroxaban once daily, oral, direct factor Xa inhibition compared with vitamin K antagonism for prevention of stroke and embolism trial in atrial fibrillation (ROCKET AF). Circulation. 2014 May 6;129(18):1850-9. doi: 10.1161/CIRCULATIONAHA.113.005754. Epub 2014 Feb 19.
- Spyropoulos AC, Douketis JD. Guidelines for antithrombotic therapy: periprocedural management of antithrombotic therapy and use of bridging anticoagulation. Int Angiol. 2008 Aug;27(4):333-43. No abstract available.
- Spyropoulos AC, Albaladejo P, Godier A, Greinacher A, Hron G, Levy JH, Samama CM, Douketis JD. Periprocedural antiplatelet therapy: recommendations for standardized reporting in patients on antiplatelet therapy: communication from the SSC of the ISTH. J Thromb Haemost. 2013 Aug;11(8):1593-6. doi: 10.1111/jth.12282. No abstract available.
- Spyropoulos AC, Brohi K, Caprini J, Samama CM, Siegal D, Tafur A, Verhamme P, Douketis JD; SSC Subcommittee on Perioperative and Critical Care Thrombosis and Haemostasis of the International Society on Thrombosis and Haemostasis. Scientific and Standardization Committee Communication: Guidance document on the periprocedural management of patients on chronic oral anticoagulant therapy: Recommendations for standardized reporting of procedural/surgical bleed risk and patient-specific thromboembolic risk. J Thromb Haemost. 2019 Nov;17(11):1966-1972. doi: 10.1111/jth.14598. Epub 2019 Aug 22. No abstract available.
- Spyropoulos AC, Douketis JD, Gerotziafas G, Kaatz S, Ortel TL, Schulman S; Subcommittee on Control of Anticoagulation of the SSC of the ISTH. Periprocedural antithrombotic and bridging therapy: recommendations for standardized reporting in patients with arterial indications for chronic oral anticoagulant therapy. J Thromb Haemost. 2012 Apr;10(4):692-4. doi: 10.1111/j.1538-7836.2012.04630.x. No abstract available.
- Douketis JD, Berger PB, Dunn AS, Jaffer AK, Spyropoulos AC, Becker RC, Ansell J. The perioperative management of antithrombotic therapy: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines (8th Edition). Chest. 2008 Jun;133(6 Suppl):299S-339S. doi: 10.1378/chest.08-0675.
- Clark NP, Douketis JD, Hasselblad V, Schulman S, Kindzelski AL, Ortel TL; BRIDGE Investigators. Predictors of perioperative major bleeding in patients who interrupt warfarin for an elective surgery or procedure: Analysis of the BRIDGE trial. Am Heart J. 2018 Jan;195:108-114. doi: 10.1016/j.ahj.2017.09.015. Epub 2017 Sep 21.
- Kaatz S, Douketis JD, Zhou H, Gage BF, White RH. Risk of stroke after surgery in patients with and without chronic atrial fibrillation. J Thromb Haemost. 2010 May;8(5):884-90. doi: 10.1111/j.1538-7836.2010.03781.x. Epub 2010 Jan 24.
- MacDougall K, Douketis JD, Li N, Clark NP, Tafur A, D'Astous J, Duncan J, Schulman S, Spyropoulos AC. Effect of Direct Oral Anticoagulant, Patient, and Surgery Characteristics on Clinical Outcomes in the Perioperative Anticoagulation Use for Surgery Evaluation Study. TH Open. 2020 Sep 23;4(3):e255-e262. doi: 10.1055/s-0040-1716512. eCollection 2020 Jul.
- Tafur AJ, Clark NP, Spyropoulos AC, Li N, Kaplovitch E, MacDougall K, Schulman S, Caprini JA, Douketis J. Predictors of Bleeding in the Perioperative Anticoagulant Use for Surgery Evaluation Study. J Am Heart Assoc. 2020 Oct 20;9(19):e017316. doi: 10.1161/JAHA.120.017316. Epub 2020 Sep 24.
- Shaw JR, Li N, Vanassche T, Coppens M, Spyropoulos AC, Syed S, Radwi M, Duncan J, Schulman S, Douketis JD. Predictors of preprocedural direct oral anticoagulant levels in patients having an elective surgery or procedure. Blood Adv. 2020 Aug 11;4(15):3520-3527. doi: 10.1182/bloodadvances.2020002335.
- Douketis JD, Syed S, Schulman S. Periprocedural Management of Direct Oral Anticoagulants: Comment on the 2015 American Society of Regional Anesthesia and Pain Medicine Guidelines. Reg Anesth Pain Med. 2016 Mar-Apr;41(2):127-9. doi: 10.1097/AAP.0000000000000360. No abstract available.
- Kim PY, Di Giuseppantonio LR, Wu C, Douketis JD, Gross PL. An assay to measure levels of factor Xa inhibitors in blood and plasma. J Thromb Haemost. 2019 Jul;17(7):1153-1159. doi: 10.1111/jth.14451. Epub 2019 May 10.
- Dube C, Douketis JD, Moffat KA, Schulman S, Blais N. Basic coagulation tests as surrogates of dabigatran levels in a pre-operative setting: Analysis of five activated partial thromboplastin time reagents and thrombin time. Thromb Res. 2018 Nov;171:62-67. doi: 10.1016/j.thromres.2018.09.051. Epub 2018 Sep 19.
- Douketis J, Schulman S, Syed S. Reply to Dr Lessire et al. Reg Anesth Pain Med. 2016 Nov/Dec;41(6):788. doi: 10.1097/AAP.0000000000000478. No abstract available.
- Douketis JD, Johnson JA, Turpie AG. Low-molecular-weight heparin as bridging anticoagulation during interruption of warfarin: assessment of a standardized periprocedural anticoagulation regimen. Arch Intern Med. 2004 Jun 28;164(12):1319-26. doi: 10.1001/archinte.164.12.1319.
- Schulman S, Carrier M, Lee AY, Shivakumar S, Blostein M, Spencer FA, Solymoss S, Barty R, Wang G, Heddle N, Douketis JD; Periop Dabigatran Study Group. Perioperative Management of Dabigatran: A Prospective Cohort Study. Circulation. 2015 Jul 21;132(3):167-73. doi: 10.1161/CIRCULATIONAHA.115.015688. Epub 2015 May 12.
- Douketis JD, Murphy SA, Antman EM, Grip LT, Mercuri MF, Ruff CT, Weitz JI, Braunwald E, Giugliano RP. Peri-operative Adverse Outcomes in Patients with Atrial Fibrillation Taking Warfarin or Edoxaban: Analysis of the ENGAGE AF-TIMI 48 Trial. Thromb Haemost. 2018 Jun;118(6):1001-1008. doi: 10.1055/s-0038-1645856. Epub 2018 May 3.
- Douketis J, Wang J, Cuddy K, Wagler M, Kinnon K, Crowther M. The safety of co-administered continuous epidural analgesia and low-molecular-weight heparin after major orthopedic surgery: assessment of a standardized patient management protocol. Thromb Haemost. 2006 Sep;96(3):387-9. doi: 10.1160/TH06-06-0303. No abstract available.
- Douketis JD, Wang G, Chan N, Eikelboom JW, Syed S, Barty R, Moffat KA, Spencer FA, Blostein M, Schulman S. Effect of standardized perioperative dabigatran interruption on the residual anticoagulation effect at the time of surgery or procedure. J Thromb Haemost. 2016 Jan;14(1):89-97. doi: 10.1111/jth.13178. Epub 2016 Jan 4.
- Douketis JD, Healey JS, Brueckmann M, Fraessdorf M, Spyropoulos AC, Wallentin L, Oldgren J, Reilly P, Ezekowitz MD, Connolly SJ, Yusuf S, Eikelboom JW. Urgent surgery or procedures in patients taking dabigatran or warfarin: Analysis of perioperative outcomes from the RE-LY trial. Thromb Res. 2016 Mar;139:77-81. doi: 10.1016/j.thromres.2016.01.004. Epub 2016 Jan 9.
- Douketis JD, Healey JS, Brueckmann M, Eikelboom JW, Ezekowitz MD, Fraessdorf M, Noack H, Oldgren J, Reilly P, Spyropoulos AC, Wallentin L, Connolly SJ. Perioperative bridging anticoagulation during dabigatran or warfarin interruption among patients who had an elective surgery or procedure. Substudy of the RE-LY trial. Thromb Haemost. 2015 Mar;113(3):625-32. doi: 10.1160/TH14-04-0305. Epub 2014 Dec 4.
- Spyropoulos AC, Turpie AG, Dunn AS, Kaatz S, Douketis J, Jacobson A, Petersen H; REGIMEN Investigators. Perioperative bridging therapy with unfractionated heparin or low-molecular-weight heparin in patients with mechanical prosthetic heart valves on long-term oral anticoagulants (from the REGIMEN Registry). Am J Cardiol. 2008 Oct 1;102(7):883-9. doi: 10.1016/j.amjcard.2008.05.042. Epub 2008 Jul 31.
- Bell BR, Spyropoulos AC, Douketis JD. Perioperative Management of the Direct Oral Anticoagulants: A Case-Based Review. Hematol Oncol Clin North Am. 2016 Oct;30(5):1073-84. doi: 10.1016/j.hoc.2016.05.005.
- Shaw JR, Kaplovitch E, Douketis J. Periprocedural Management of Oral Anticoagulation. Med Clin North Am. 2020 Jul;104(4):709-726. doi: 10.1016/j.mcna.2020.02.005. Epub 2020 May 12.
- Douketis JD. Perioperative management of warfarin therapy: to bridge or not to bridge, that is the question. Mayo Clin Proc. 2008 Jun;83(6):628-9. doi: 10.4065/83.6.628. No abstract available.
- Spyropoulos AC. Bridging therapy and oral anticoagulation: current and future prospects. Curr Opin Hematol. 2010 Sep;17(5):444-9. doi: 10.1097/MOH.0b013e32833c077b.
- Spyropoulos AC. Perioperative bridging therapy for the at-risk patient on chronic anticoagulation. Dis Mon. 2005 Feb-Mar;51(2-3):183-93. doi: 10.1016/j.disamonth.2005.03.014. No abstract available.
- Spyropoulos AC. Bridging of oral anticoagulation therapy for invasive procedures. Curr Hematol Rep. 2005 Sep;4(5):405-13.
- Douketis JD, Crowther MA, Cherian SS, Kearon CB. Physician preferences for perioperative anticoagulation in patients with a mechanical heart valve who are undergoing elective noncardiac surgery. Chest. 1999 Nov;116(5):1240-6. doi: 10.1378/chest.116.5.1240.
- Douketis JD, Crowther MA, Cherian SS. Perioperative anticoagulation in patients with chronic atrial fibrillation who are undergoing elective surgery: results of a physician survey. Can J Cardiol. 2000 Mar;16(3):326-30.
- Douketis JD, Bakhsh E. Perioperative management of antithrombotic therapy. Pol Arch Med Wewn. 2008 Apr;118(4):201-8.
- Douketis JD. Pharmacologic properties of the new oral anticoagulants: a clinician-oriented review with a focus on perioperative management. Curr Pharm Des. 2010;16(31):3436-41. doi: 10.2174/138161210793563338.
- Douketis J, Bell AD, Eikelboom J, Liew A. Approach to the new oral anticoagulants in family practice: part 2: addressing frequently asked questions. Can Fam Physician. 2014 Nov;60(11):997-1001.
- Douketis JD. Perioperative anticoagulation management in patients who are receiving oral anticoagulant therapy: a practical guide for clinicians. Thromb Res. 2002 Oct 1;108(1):3-13. doi: 10.1016/s0049-3848(02)00387-0.
- Douketis J, Cervi A. Managing patients who are receiving warfarin or a direct oral anticoagulant and need an elective surgery or procedure. Blood Adv. 2019 Jun 25;3(12):1925. doi: 10.1182/bloodadvances.2019000171. No abstract available.
- Jamula E, Lloyd NS, Schwalm JD, Airaksinen KE, Douketis JD. Safety of uninterrupted anticoagulation in patients requiring elective coronary angiography with or without percutaneous coronary intervention: a systematic review and metaanalysis. Chest. 2010 Oct;138(4):840-7. doi: 10.1378/chest.09-2603. Epub 2010 Apr 30.
- Jamula E, Anderson J, Douketis JD. Safety of continuing warfarin therapy during cataract surgery: a systematic review and meta-analysis. Thromb Res. 2009 Jul;124(3):292-9. doi: 10.1016/j.thromres.2009.01.007. Epub 2009 Feb 23.
- Shaw JR, Woodfine JD, Douketis J, Schulman S, Carrier M. Perioperative interruption of direct oral anticoagulants in patients with atrial fibrillation: A systematic review and meta-analysis. Res Pract Thromb Haemost. 2018 Feb 16;2(2):282-290. doi: 10.1002/rth2.12076. eCollection 2018 Apr.
- Siegal D, Yudin J, Kaatz S, Douketis JD, Lim W, Spyropoulos AC. Periprocedural heparin bridging in patients receiving vitamin K antagonists: systematic review and meta-analysis of bleeding and thromboembolic rates. Circulation. 2012 Sep 25;126(13):1630-9. doi: 10.1161/CIRCULATIONAHA.112.105221. Epub 2012 Aug 21.
- Lesher AP, Shah SR. Telemedicine in the perioperative experience. Semin Pediatr Surg. 2018 Apr;27(2):102-106. doi: 10.1053/j.sempedsurg.2018.02.007. Epub 2018 Feb 7.
- Brundisini F, Giacomini M, DeJean D, Vanstone M, Winsor S, Smith A. Chronic disease patients' experiences with accessing health care in rural and remote areas: a systematic review and qualitative meta-synthesis. Ont Health Technol Assess Ser. 2013 Sep 1;13(15):1-33. eCollection 2013.
- Cevik M, Bamford CGG, Ho A. COVID-19 pandemic-a focused review for clinicians. Clin Microbiol Infect. 2020 Jul;26(7):842-847. doi: 10.1016/j.cmi.2020.04.023. Epub 2020 Apr 25.
- COVIDSurg Collaborative. Global guidance for surgical care during the COVID-19 pandemic. Br J Surg. 2020 Aug;107(9):1097-1103. doi: 10.1002/bjs.11646. Epub 2020 Apr 15.
- Holman N, Knighton P, Kar P, O'Keefe J, Curley M, Weaver A, Barron E, Bakhai C, Khunti K, Wareham NJ, Sattar N, Young B, Valabhji J. Risk factors for COVID-19-related mortality in people with type 1 and type 2 diabetes in England: a population-based cohort study. Lancet Diabetes Endocrinol. 2020 Oct;8(10):823-833. doi: 10.1016/S2213-8587(20)30271-0. Epub 2020 Aug 13.
- Miner H, Fatehi A, Ring D, Reichenberg JS. Clinician Telemedicine Perceptions During the COVID-19 Pandemic. Telemed J E Health. 2021 May;27(5):508-512. doi: 10.1089/tmj.2020.0295. Epub 2020 Sep 18.
- Douketis JD, Syed S, Li N, Narouze S, Radwi M, Duncan J, Schulman S, Spyropoulos AC. A physician survey of perioperative neuraxial anesthesia management in patients on a direct oral anticoagulant. Res Pract Thromb Haemost. 2020 Dec 16;5(1):159-167. doi: 10.1002/rth2.12430. eCollection 2021 Jan.
- Spencer NH, Sardo LA, Cordell JP, Douketis JD. Structure and function of a perioperative anticoagulation management clinic. Thromb Res. 2019 Oct;182:167-174. doi: 10.1016/j.thromres.2019.08.007. Epub 2019 Aug 23.
- Spyropoulos AC, Douketis JD. How I treat anticoagulated patients undergoing an elective procedure or surgery. Blood. 2012 Oct 11;120(15):2954-62. doi: 10.1182/blood-2012-06-415943. Epub 2012 Aug 28.
- Spyropoulos AC, Bauersachs RM, Omran H, Cohen M. Periprocedural bridging therapy in patients receiving chronic oral anticoagulation therapy. Curr Med Res Opin. 2006 Jun;22(6):1109-22. doi: 10.1185/030079906X104858.
- Douketis JD. Perioperative management of patients who are receiving warfarin therapy: an evidence-based and practical approach. Blood. 2011 May 12;117(19):5044-9. doi: 10.1182/blood-2011-02-329979. Epub 2011 Mar 17. No abstract available.
- Douketis JD. Perioperative management of patients receiving anticoagulant or antiplatelet therapy: a clinician-oriented and practical approach. Hosp Pract (1995). 2011 Oct;39(4):41-54. doi: 10.3810/hp.2011.10.921.
- Steinberg BA, Hellkamp AS, Lokhnygina Y, Halperin JL, Breithardt G, Passman R, Hankey GJ, Patel MR, Becker RC, Singer DE, Hacke W, Berkowitz SD, Nessel CC, Mahaffey KW, Fox KA, Califf RM, Piccini JP; ROCKET AF Steering Committee and Investigators. Use and outcomes of antiarrhythmic therapy in patients with atrial fibrillation receiving oral anticoagulation: results from the ROCKET AF trial. Heart Rhythm. 2014 Jun;11(6):925-32. doi: 10.1016/j.hrthm.2014.03.006. Epub 2014 May 13.
- Spyropoulos AC, Al-Badri A, Sherwood MW, Douketis JD. Periprocedural management of patients receiving a vitamin K antagonist or a direct oral anticoagulant requiring an elective procedure or surgery. J Thromb Haemost. 2016 May;14(5):875-85. doi: 10.1111/jth.13305. Epub 2016 Apr 7.
- Barnes GD, Lucas E, Alexander GC, Goldberger ZD. National Trends in Ambulatory Oral Anticoagulant Use. Am J Med. 2015 Dec;128(12):1300-5.e2. doi: 10.1016/j.amjmed.2015.05.044. Epub 2015 Jul 2.
- Weitz JI, Semchuk W, Turpie AG, Fisher WD, Kong C, Ciaccia A, Cairns JA. Trends in Prescribing Oral Anticoagulants in Canada, 2008-2014. Clin Ther. 2015 Nov 1;37(11):2506-2514.e4. doi: 10.1016/j.clinthera.2015.09.008. Epub 2015 Oct 16.
- Gao L, Tadrous M, Knowles S, Mamdani M, Paterson JM, Juurlink D, Gomes T. Prior Authorization and Canadian Public Utilization of Direct-Acting Oral Anticoagulants. Healthc Policy. 2017 Nov;13(2):68-78. doi: 10.12927/hcpol.2017.25321.
- Proietti M, Laroche C, Opolski G, Maggioni AP, Boriani G, Lip GYH; AF Gen Pilot Investigators. 'Real-world' atrial fibrillation management in Europe: observations from the 2-year follow-up of the EURObservational Research Programme-Atrial Fibrillation General Registry Pilot Phase. Europace. 2017 May 1;19(5):722-733. doi: 10.1093/europace/euw112. Erratum In: Europace. 2017 Apr 1;19(4):543. doi: 10.1093/europace/euw443.
- Douketis JD, Spyropoulos AC, Duncan J, Carrier M, Le Gal G, Tafur AJ, Vanassche T, Verhamme P, Shivakumar S, Gross PL, Lee AYY, Yeo E, Solymoss S, Kassis J, Le Templier G, Kowalski S, Blostein M, Shah V, MacKay E, Wu C, Clark NP, Bates SM, Spencer FA, Arnaoutoglou E, Coppens M, Arnold DM, Caprini JA, Li N, Moffat KA, Syed S, Schulman S. Perioperative Management of Patients With Atrial Fibrillation Receiving a Direct Oral Anticoagulant. JAMA Intern Med. 2019 Nov 1;179(11):1469-1478. doi: 10.1001/jamainternmed.2019.2431.
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