Femoral artery anatomy is a risk factor for limb ischemia in minimally invasive cardiac surgery.

General Thoracic and Cardiovascular Surgery
Takayuki KawashimaShinji Miyamoto

Abstract

In minimally invasive cardiac surgery (MICS), femoral artery cannulation during cardiopulmonary bypass (CPB) can cause limb ischemia. This study evaluated the association between femoral artery anatomy and the risk of limb ischemia in MICS. Eighty-one patients who underwent MICS with CPB using single femoral artery cannulation between 2010 and 2018 were included. The patients were stratified by their femoral artery diameter and anatomy of ectopic side branch, i.e., medial or lateral femoral circumflex arteries: Type A, deep femoral artery (DFA) ≥ superficial femoral artery (SFA); type B, DFA < SFA with an ectopic side branch of the common femoral artery (CFA); type C, DFA < SFA with an ectopic side branch at the CFA bifurcation; and type D, DFA < SFA without an ectopic side branch. The ratio of the postoperative creatine kinase concentration and the cross-sectional area of the femoral muscles (CK/MA) was used as a surrogate marker of limb ischemia. Predictors of high CK/MA were evaluated. No critical limb ischemia was observed in this study. The median postoperative creatine kinase and CK/MA were 1954 (1305-2872) IU/l and 15.2 (9.2-19.8) IU/l/cm2. Multivariable logistic regression found that anatomical type D (odds ratio 4.19, ...Continue Reading

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Citations

Jun 8, 2021·Annals of Thoracic and Cardiovascular Surgery : Official Journal of the Association of Thoracic and Cardiovascular Surgeons of Asia·Mitsuharu HosonoKohei Kawazoe

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