PMID- 33032494 OWN - NLM STAT- MEDLINE DCOM- 20210624 LR - 20221207 IS - 1545-1550 (Electronic) IS - 1526-6028 (Linking) VI - 28 IP - 2 DP - 2021 Apr TI - A Review and Proposed Classification System for the No-Option Patient With Chronic Limb-Threatening Ischemia. PG - 183-193 LID - 10.1177/1526602820963911 [doi] AB - A growing, but poorly defined subset of patients with chronic limb-threatening ischemia (CLTI) have "no option" for revascularization. One notable subgroup includes patients with severe ischemia and advanced pedal artery occlusive disease, termed "desert foot," who are at high risk for major amputation due to a lack of conventional revascularization options. Although new therapies are being developed for no-option patients with desert foot anatomy, this subgroup and the broader group of no-option patients are not well defined, limiting the ability to evaluate outcomes. Based on a systematic review, a classification of the no-option CLTI patient was constructed for use in clinical practice and studies. Several no-option conditions were identified, including type I-severe and pedal occlusive disease (desert foot anatomy) for which there is no accepted method of repair; type II-lack of suitable venous conduit for bypass in the setting of an acceptable target for bypass; type III-extensive tissue loss with exposure of vital structures that renders salvage impossible; type IV-advanced medical comorbidities for which available revascularization options would pose a prohibitive risk; and type V-presence of a nonfunctional limb. While type I and type II patients may have no option for revascularization, type III and type V patients have wounds, infection, comorbidities, or functional status that may leave them with few options for revascularization. As treatment strategies continue to evolve and novel methods of revascularization are developed, the ability to identify no-option patients in a standardized fashion will aid in treatment selection and assessment of outcomes. FAU - Kim, Tanner I AU - Kim TI AUID- ORCID: 0000-0002-7524-2894 AD - Division of Vascular Surgery, Department of Surgery, Yale School of Medicine, New Haven, CT, USA. FAU - Vartanian, Shant S AU - Vartanian SS AD - Division of Vascular and Endovascular Surgery, University of California at San Francisco School of Medicine, San Francisco, CA, USA. FAU - Schneider, Peter A AU - Schneider PA AD - Division of Vascular and Endovascular Surgery, University of California at San Francisco School of Medicine, San Francisco, CA, USA. LA - eng PT - Journal Article DEP - 20201009 PL - United States TA - J Endovasc Ther JT - Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists JID - 100896915 SB - IM MH - Amputation, Surgical MH - Chronic Disease MH - Humans MH - Ischemia/diagnostic imaging/surgery MH - *Limb Salvage MH - *Peripheral Arterial Disease/surgery/therapy MH - Retrospective Studies MH - Risk Factors MH - Systematic Reviews as Topic MH - Time Factors MH - Treatment Outcome OTO - NOTNLM OT - amputation OT - bypass graft OT - comorbidities OT - critical limb ischemia OT - desert foot OT - endovascular therapy OT - infection OT - ischemic wound OT - limb salvage OT - peripheral vascular disease OT - revascularization OT - tissue loss EDAT- 2020/10/10 06:00 MHDA- 2021/06/25 06:00 CRDT- 2020/10/09 05:24 PHST- 2020/10/10 06:00 [pubmed] PHST- 2021/06/25 06:00 [medline] PHST- 2020/10/09 05:24 [entrez] AID - 10.1177/1526602820963911 [doi] PST - ppublish SO - J Endovasc Ther. 2021 Apr;28(2):183-193. doi: 10.1177/1526602820963911. Epub 2020 Oct 9.