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Assessing Therapeutic Angiogenesis in a Murine Model of Hindlimb Ischemia
Published on: June 8, 2019
Is revascularization and limb salvage always the treatment for critical limb ischemia?
Insights
The choice between amputation and revascularization for critical limb ischemia (CLI) is complex in high-risk patients. This review examines outcomes, risks, and patient factors to guide these difficult vascular care decisions.
Area of Science:
- Vascular Surgery
- Cardiovascular Medicine
- Geriatric Medicine
Background:
- Critical limb ischemia (CLI) affects an aging population with severe systemic disease.
- Diagnostic delays and poor risk factor management contribute to limb loss and mortality in CLI patients.
- CLI lacks a uniform treatment algorithm, complicating clinical decision-making.
Purpose of the Study:
- To discuss the decision-making process for primary amputation versus revascularization in high-risk CLI patients.
- To review functional outcomes, morbidity, and mortality associated with both treatment approaches.
- To examine specific patient populations and propose future research directions.
Main Methods:
- Review of existing data on functional outcomes for amputation and revascularization in CLI.
- Analysis of morbidity and mortality rates, including risks of repeat procedures.
- Discussion of unique natural history and problematic patient subgroups in CLI.
Main Results:
- Data on functional outcomes for both amputation and revascularization are presented.
- Morbidity and mortality associated with each approach are discussed.
- Specific challenges in high-risk CLI patient populations are examined.
Conclusions:
- The decision for CLI treatment requires careful consideration of multiple factors.
- Further research is needed to optimize treatment strategies for an aging CLI population.
- Improved risk factor modification and diagnostic pathways are crucial for better patient survival.
Abstract:
Despite marked advances in the technical ability to perform lower extremity revascularization, the decision whether to perform primary amputation or attempt revascularization in high risk patients is a major part of modern vascular care. With an aging population and improved medical care that has increased life expectancy, more patients with severe systemic disease are presenting with critical limb ischemia (CLI). In addition, it is well recognized that CLI patients suffer diagnostic delays and poor risk factor modification, which in part contributes to limb loss and poor patient survival. Unlike other disease entities, CLI does not have a clear clinical pattern that provides consistent entry to medical care and uniform treatment algorithm. In this commentary we will discuss the issue from several viewpoints. The unique features of the antecedent natural history of CLI will be presented. Available data on functional outcomes on both therapies for CLI will be presented. Morbidity and mortality of both approaches will be covered, including the risk of multiple procedures, followed by an examination of specific problematic patient populations. Finally, we will close with some potential approaches to these problems and future studies that are needed to push forward our ability to appropriately make these difficult decisions for an increasingly aging population.
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