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Published on: September 22, 2020
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Anticoagulation in embolic acute limb ischaemia-an observational study.
Aishan Patil1, Dean T Williams1,2, Ayoub Gomati1
1Department of Vascular Surgery, Ninewells Hospital, Dundee, UK.
VASA. Zeitschrift Fur Gefasskrankheiten
|September 10, 2024
Summary
Anticoagulation management is key for embolic acute limb ischemia. Primary anticoagulation therapy proved effective, even with delays, challenging the need for immediate invasive procedures in most cases.
Area of Science:
- Vascular Surgery
- Hematology
- Cardiology
Background:
- Embolic acute limb ischemia (ALI) management typically involves invasive procedures.
- Aetiology determination, including anticoagulation status, is crucial for ALI.
- Comparing anticoagulation therapy versus invasive interventions for ALI is necessary.
Purpose of the Study:
- To investigate the impact of anticoagulation manipulation on ALI aetiology.
- To compare the efficacy of primary anticoagulation therapy versus invasive interventions for ALI.
Main Methods:
- Single-institution retrospective study of consecutive ALI patients over one year.
- Comparison of two groups: primary anticoagulation therapy vs. invasive treatment.
- Data collected on aetiology, treatment, and limb salvage outcomes.
Main Results:
- Hematological causes, often linked to interrupted anticoagulation (e.g., atrial fibrillation), identified in 22/38 ALI cases.
- Limb salvage achieved in 35/36 patients with either anticoagulation or embolectomy as primary therapy.
- Effective perfusion restoration occurred despite significant treatment delays in both groups.
Conclusions:
- Anticoagulation status and coagulopathy are frequent contributors to arterial emboli causing ALI.
- Omission of anticoagulation in atrial fibrillation patients significantly increases ALI risk.
- Primary anticoagulation is effective for ALI, often obviating the need for immediate surgery, even in severe cases.
