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Published on: September 22, 2020
Surveillance after distal revascularization for critical limb ischaemia
1Department of Vascular Surgery, Helsinki University Central Hospital, Helsinki, Finland. eva.arvela@hus.fi
Insights
Systematic surveillance after critical limb ischaemia (CLI) revascularization is crucial. Early duplex scans are recommended for all CLI patients, with continued surveillance advised for those with abnormal early scans or high-risk procedures.
Area of Science:
- Vascular Surgery
- Interventional Cardiology
- Patient Management
Background:
- Critical limb ischaemia (CLI) patients are often elderly with comorbidities.
- Surveillance post-revascularization aims to maintain perfusion, ambulation, and reduce systemic risk.
- Optimal follow-up strategies for CLI revascularization remain debated due to limited evidence.
Purpose of the Study:
- To critically review and summarize evidence on surveillance after CLI revascularization.
- To evaluate current European guidelines and identify areas of uncertainty.
- To emphasize the importance of systematic follow-up programs.
Main Methods:
- Literature review and critical appraisal of available information.
- Consideration of recent European guidelines for CLI management.
- Analysis of evidence supporting different surveillance modalities and frequencies.
Main Results:
- Early duplex scanning is justified for all patients undergoing CLI revascularization.
- Limited evidence supports routine long-term duplex surveillance for normal early scans.
- Patients with abnormal early scans or high-risk revascularizations may benefit from continued duplex surveillance.
- Regular clinical follow-up is recommended, with duplex scanning triggered by clinical deterioration.
Conclusions:
- Systematic surveillance is vital following both surgical and endovascular CLI revascularization.
- Early duplex scanning is a key component of post-revascularization care.
- Tailored long-term surveillance strategies, based on early findings and risk factors, are essential for optimal patient outcomes.
Abstract:
Patients with critical limb ischaemia (CLI) are usually elderly and suffer from several co-morbidities. The goal of surveillance after both endovascular and surgical revascularization for CLI is not only the protection of re-established distal perfusion and sustained ambulation but also the reduction of systemic atherothrombotic risk and mortality by ensuring continued best medical care. However, preferred format and rhythm of structured follow-up programs have remained controversial, mainly because of lack of compelling evidence. This review aims to summarize and to appraise available information critically. Thereby, it underlines the importance of systematic surveillance after both surgical and endovascular revascularization for CLI. Recent European guidelines are considered and areas of uncertainty are highlighted and discussed. According to currently available literature and recent guidelines, the early duplex scan is justified in all patients undergoing endovascular or surgical distal revascularization for CLI. There is no best level evidence supporting continued long term duplex surveillance of revascularizations with normal findings at early duplex scan, whereas those patients with abnormal early duplex scan or high risk revacularization are likely to benefit from continued duplex surveillance. Regular clinical follow-up is suggested and clinical deterioration should trigger duplex scanning to ensure revascularization patency.
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