Table 1.
Key baseline and procedural characteristics of 499 patients enrolled in the CLOUT registry*
| Characteristics | Median [IQR], or n (%) |
|---|---|
| Baseline characteristics | |
| Age (years) | 61.9 [48.0–70.8], n = 499 |
| Male sex | 247/499 (49.5%) |
| Race (n = 488)† | |
| White | 376 (77.0%) |
| Black | 101 (20.7%) |
| American Indian or Alaskan Native | 5 (1.0%) |
| Asian | 3 (0.6%) |
| Other | 5 (1.0%) |
| BMI (kg/m2) | 30.2 [25.8 – 35.1], n = 492 |
| Symptom durationǂ | |
| < 7 days | 251/500 (50.2%) |
| 7 – 14 days | 121/500 (24.2%) |
| 2 – 4 weeks | 70/500 (14.0%) |
| 4 – 6 weeks | 23/500 (4.6%) |
| > 6 weeks | 35/500 (7.0%) |
| Prior history of DVT | 124/498 (24.9%) |
| Contraindication to thrombolytic drug therapy | 149/498 (29.9%) |
| CEAP Score ≥ 3ǂ | 443/478 (92.7%) |
| Procedural outcomes | |
|---|---|
| Single session | 496/499 (99.4%) |
| Thrombectomy procedure time (minutes) | 26.0 [18.0 – 40.0], n = 464 |
| Estimated blood loss (mL) | 40 [20.0, 55.0], n = 448 |
| IVUS useǂ | 491/521 (94.2%) |
| Use of adjunctive treatmentsǂ | 4/521 (0.8%) |
| Catheter-directed thrombolysis | 2/521 (0.4%) |
| Percutaneous mechanical thrombectomy (other than ClotTriever) | 2/521 (0.4%) |
| Venoplastyǂ | 379/521 (72.7%) |
| Stent placementǂ | 231/521 (44.3%) |
| IVC filter use | 7/499 (1.4%) |
| Thrombus chronicity (based on most chronic extracted thrombus appearance§) | |
| Acute | 153/514 (29.8%) |
| Subacute | 177/514 (34.4%) |
| Chronic | 184/514 (35.8%) |
*See Dexter, et al., (6) for further details
†Some patients may check more than 1 race, so numbers will not add up to 488
ǂ Based on # of limbs
§Acute: Soft, dark red, and jelly-like; Chronic: firm, fibrous, and pale; Subacute: between acute and chronic
IQR interquartile range; BMI: body mass index, DVT deep vein thrombosis, IVC inferior vena cava