Clinical Study

Patient Characteristics Can Influence the Incidence of Perioperative Microemboli during Carotid Artery Interventions

Table 1

Preoperative demographics of study patients.

DemographicsOverall ( = 288)CEA ( = 171)CAS ( = 117) Value

Age0.98
 <6016.7%18.2%14.5%
 61–7039.2%39.7%38.4%
 71–8029.2%27.4%31.7%
 >8014.9%14.6%15.4%
Male98.3%99.4%96.6%0.16
Smoking31.9%15.1%56.9%<0.001
Diabetes69.4%78.5%56.0%<0.001
Hypertension68.1%51.7%92.2%<0.001
Hyperlipidemia89.6%94.8%81.9%<0.001
Obesity (BMI > 30)68.1%93.0%31.0%<0.001
CAD48.6%31.4%74.1%<0.001
COPD39.9%47.7%28.4%<0.001
PVD25.7%15.6%40.5%<0.001
Atrial fibrillation29.9%39.0%16.4%<0.001
Prior CEA26.0%20.9%33.6%0.02
Prior TIA29.2%22.1%39.7%<0.01
Prior Stroke21.8%19.2%25.9%0.25
Contralateral carotid Occlusion7.6%5.2%11.2%0.07
Plaque calcification15.3%7.0%27.6%<0.001

BMI: body mass index; CAD: coronary artery disease; COPD: chronic obstructive pulmonary disease; PVD: peripheral vascular disease.