Despite the ease of use of direct oral anticoagulants (DOACs), these agents remain high risk medications and their clinical efficacy can be impacted by factors such as patient adherence, drug procurement barriers, bleeding leading to discontinuation, and prescribing that deviates from approved dosing regimens. Clinical monitoring of patients on DOACs should be performed by clinicians who specialize in anticoagulation and are familiar with the nuances of DOAC dosing, monitoring, and other components of anticoagulation management including peri-procedural management and care transitions. Although data for centralized warfarin management have consistently demonstrated improved clinical outcomes compared to traditional management by individual community providers, there are no published data addressing the impact of centralized management of DOACs on clinical outcomes or anticoagulation control. In addition, there is currently no consensus on how to incorporate patients on DOACs into this centralized model, despite recommendations for systematic follow-up by both the Anticoagulation Forum and the Institute for Safe Medication Practices. Based on the national recommendations and an identified institutional need, the Brigham and Women's Hospital Anticoagulation Management Service implemented a pilot program to expand services to include patients newly initiated on, or transitioned to, a DOAC. We describe our model for expansion of the AMS to include patients on DOACs.
Background:In 2017, the Brigham and Women's Hospital Anticoagulation Management Service (BWH AMS) expanded services to patients on direct oral anticoagulants (DOACs). We have since updated our DOAC management plan and adjusted the workflow of our clinic. Objectives: This report describes how our DOAC management has evolved and describes key interventions made. Additionally, we report on the results of a survey completed by referring physicians that assessed perspectives regarding centralized DOAC management by BWH AMS pharmacists. Methods: An analysis was completed of all patients referred to the BWH AMS and the number of interventions completed and documented in our anticoagulation management software. A survey with eight questions was sent to 110 referring physicians (selected based on referring to the AMS within the past 1.5 years). Results: Over 4 years, 1622 patients on DOACs were referred to the BWH AMS, amounting to 3154 DOAC encounters. A total of 212 interventions for medication procurement, 171 dose adjustment interventions, and 603 coordinated procedure plans were completed. Of the 32 physicians who responded to the survey, many believed that the quality and safety of anticoagulation therapy was improved with BWH AMS management. Despite provider satisfaction with pharmacist-led care in DOACs, physicians expressed concerns regarding the lack of provider awareness of the clinic and possible duplicative efforts. Conclusion:We plan to evolve the DOAC clinic model to optimize its clinical and operational value and to improve our delivery of care using electronic tools to move toward a population management approach for DOAC management.
Patients receiving durable mechanical circulatory support (MCS) require life-long anticoagulation with a vitamin K antagonist (VKA). Due to alternations in hemostasis, concomitant therapy with antiplatelet agents and critical illness, they are at increased risk of thromboembolic and bleeding complications compared with the general population managed on VKAs. To prevent thrombotic events, current guidelines recommend that patients with MCS receive long-term anticoagulation with a VKA to maintain a target international normalized ratio (INR) as specified by device manufacturers, but limited data exist regarding specific routine management of anticoagulation therapy and its potential complications. To optimize anticoagulation management and minimize risk in these patients, we have centralized anticoagulation management in a collaborative approach between the inpatient hemostatic and antithrombotic (HAT) stewardship service and between ambulatory anticoagulation management service (AMS) and the advanced heart disease team. Patients are followed by these three services beginning when the device is implanted and extending the duration that patients have the device. The teams include multiple clinicians from cardiac surgery, cardiology, hematology, pharmacy, nursing, case management, nutrition, and psychiatry, therefore, in order to standardize practice among clinicians without compromising patient centered decision making, we assembled an interdisciplinary team to create multiple treatment guidelines. In addition to a centralized and collaborative approach, our guidelines ensure seamless transitions of care between the inpatient and outpatient settings. We believe our approach has demontrated a positive improvement in the care of these challenging patients. In this article, we present our comprehensive centralized anticoagulation management approach for patients with left ventricular assist systems (LVAS).
Patients on oral anticoagulation commonly undergo surgery or other invasive procedures. Periprocedural management of oral anticoagulants involves a careful balance of the thromboembolic risk and bleeding risk. To standardize clinical practice at our institution, we developed a guideline for periprocedural management for patients taking oral anticoagulants that incorporates published data and expert opinion. In this article, we present our clinical practice guideline as a decision support tool to aid clinicians in developing a consistent strategy for managing periprocedural anticoagulation and for safely bridging anticoagulation in patients who require it.
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