Acute Limb Ischemia Classificiation
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CLASSIFICATION SCHEME FOR ACUTE LIMB ISCHEMIA -from the Society of Vascular Surgery/International Society of Cardiovascular Surgery (Rutherford et al, 1997) Class Categor y Prognosi s Sensory loss Muscle weaknes s Arteria l Doppler Venous Doppler I Viable No immediat e limb threat None None Audible Audible IIA Threate ned: margina l Salvagea ble if treated promptly Minimal -none None +/- Audible Audible IIB Threate ned: Immedia te Salvagea ble if treated immediat ely More than just toes Mild- moderat e Rare audible Audible III Irrever sible Limb loss or permanen t damage Profoun d Profoun d None None 1. Usually thrombotic occlusions are class I or IIA and are treated with intra-arterial thrombolysis if symptom duration <14 days (especially if bypass graft occlusion) and if patient has significant co-morbidities/high operative risk. 2. Usually embolic occlusions are class IIB or III. They usually require surgery as thrombolytics take effect too slowly.
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Acute Limb Ischemia (ALI) Classificiation
Transcript of Acute Limb Ischemia Classificiation
CLASSIFICATION SCHEME FOR ACUTE LIMB ISCHEMIA
CLASSIFICATION SCHEME FOR
ACUTE LIMB ISCHEMIA
-from the Society of Vascular Surgery/International Society of Cardiovascular Surgery (Rutherford et al, 1997)
ClassCategoryPrognosisSensory lossMuscle weaknessArterial DopplerVenous Doppler
IViableNo immediate limb threatNoneNoneAudibleAudible
IIAThreatened: marginalSalvageable if treated promptlyMinimal-noneNone+/-AudibleAudible
IIBThreatened: ImmediateSalvageable if treated immediatelyMore than just toesMild-moderateRare audibleAudible
IIIIrreversibleLimb loss or permanent damageProfoundProfoundNoneNone
1. Usually thrombotic occlusions are class I or IIA and are treated with intra-arterial thrombolysis if symptom duration
