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Outpatient management of the chronically anticoagulated patient for elective surgery
1Department of Anaesthesia, Sir Charles Gairdner Hospital, Perth, Western Australia.
Insights
Most patients on long-term anticoagulation can manage their treatment as outpatients before elective surgery. This approach, utilizing outpatient clinics and low molecular weight heparin, reduces hospital admissions for many surgical patients.
Area of Science:
- Cardiology
- Perioperative Medicine
- Pharmacology
Background:
- Chronic anticoagulation is common for various medical conditions.
- Managing anticoagulation perioperatively presents challenges in preventing thrombosis and bleeding.
- Traditional management often involves inpatient admission for anticoagulation bridging.
Purpose of the Study:
- To evaluate the feasibility and safety of outpatient management for chronically anticoagulated patients undergoing elective surgery.
- To define criteria for outpatient versus inpatient management based on surgical risk and patient factors.
- To explore alternative thromboprophylaxis strategies for outpatient settings.
Main Methods:
- Review of patient cohorts undergoing elective surgery requiring anticoagulation management.
- Analysis of different anticoagulation strategies: continuation of oral anticoagulation, cessation with bridging (intravenous heparin or low molecular weight heparin), and no interruption.
- Assessment of outcomes including thromboembolic events, bleeding complications, and hospital admission rates.
Main Results:
- The majority of patients can be safely managed as outpatients.
- Outpatient management is feasible using preadmission clinics, hospital-at-home programs, and low molecular weight heparin.
- Inpatient admission is reserved for high-risk patients undergoing major surgery.
- Minor surgery may not require changes to oral anticoagulation.
Conclusions:
- Outpatient management of anticoagulation for elective surgery is a safe and effective strategy for most patients.
- Individualized perioperative anticoagulation plans, considering surgical risk and patient history, are crucial.
- Clear protocols for outpatient anticoagulation management are essential for successful implementation.
Abstract:
With the appropriate use of preadmission clinics, "hospital in the home" programs, and alternatives to intravenous heparin, the majority of chronically anticoagulated patients can be managed as outpatients prior to elective surgery. The preoperative management depends on the original indication for long-term anticoagulation, the interval since the last thromboembolic event, and the extent and type of surgery planned. Only patients who are undergoing major surgery, and who have a high risk of recurrent thrombosis or embolism, require preoperative admission to hospital and conversion to an intravenous heparin regimen. Patients undergoing minor surgery may require no change to their oral anticoagulation. The remainder require cessation of oral anticoagulation and alternative thromboprophylaxis preoperatively, which can be achieved on an outpatient basis using low molecular weight heparin. Outpatient anticoagulation management requires a clear protocol that is understood and agreed to by all parties involved in the care of surgical patients perioperatively.
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