Retrospective Study
Copyright ©The Author(s) 2023.
World J Clin Cases. Jan 26, 2023; 11(3): 598-609
Published online Jan 26, 2023. doi: 10.12998/wjcc.v11.i3.598
Table 1 General data of patients in the two groups, n (%)

CDT group (n = 21)
AngioJet group (n = 44)
χ2/t
P values
Age (yr old)55.24 ± 11.9256.84 ± 14.19-0.4470.656
Male13 (61.90)21 (47.73)1.1450.285
Affected limbs (left)10 (47.62)20 (45.54)0.0270.87
Duration of symptoms11.23 ± 2.1711.59 ± 2.08-0.630.531
Risk factors (fracture types)
Below the knee6 (28.57)8 (18.18)0.9130.657
Knee6 (28.57)14 (31.82)
Above the knee9 (42.86)22 (50.0)
Scope of thrombosis
Femoral/popliteal/calf5 (23.81)6 (13.64)0.4480.503
Popliteal/calf16 (76.19)38 (86.36)
Filter types
Denali22 (100.0)41 (93.18)0.545
Table 2 Intervention related data between these two groups of patients, n (%)

CDT group (n = 21)
AngioJet group (n = 44)
χ2/t
P values
Scope of thrombosis
intra-filter thrombosis18 (85.71)38 (86.36)01
intra-filter and IVC thrombosis3 (14.29)6 (13.64)
Pulmonary embolism4 (19.05)8 (18.18)01
Left lung2 (9.52)3 (6.82)0.655
Embolism of lobar artery1 (4.76)2 (0.45)1
Embolism of segmental artery3 (14.29)6 (13.64)01
Median urokinase dosage (million U, range)1.50 (1.17, 1.83)0.08 (0.02, 0.25)-6.495 0
Large-lumen catheter aspiration thrombus11 (52.38)33 (75.0)3.3260.068
D-Dimer (before intervention)12.10 (2.29, 30.93)a8.87 (2.01, 18.88)b-4.4720
D-Dimer (after intervention)8.37 (2.67, 15.98)a7.14 (0.43, 22.05)b-3.4070.001
Table 3 Therapeutic effect and complications of patients in the two groups, n (%)

CDT group (n = 21)
AngioJet group (n = 44)
χ2/t
P values
Thrombus clearance grade
Grade I (< 50%)2 (9.52)4 (9.09)0.2810.922
Grade II (50%-99%)11 (52.38)26 (59.09)
Grade III (100%)8 (38.10)14 (31.82)
Complications
Haemoglobinuria07 (15.91)0.086
Any bleed4 (19.05)00.009
Bacteraemia1 (4.76)00.323
PE after treatment2 (9.52)4 (9.09)1
Left lung2 (9.52)00.101
Embolism of segmental artery2 (9.52)4 (9.09)1
Difference of circumference between affected and unaffected thigh (cm)
Before treatment4.51 ± 0.65c4.76 ± 0.77d-1.2670.21
After treatment1.44 ± 0.36d1.58 ± 0.51d-1.0890.28
Length of stay (d)11.67 ± 5.3410.64 ± 3.522.2150.03
Filter removal
the first phase10 (47.62)15 (34.09)1.0990.294
the cumulative removal17 (80.95)42 (95.45)0.08
IVCF retention time (d)16 (13, 139)59 (12, 231)-0.9910.322
D-dimer after 1 mo (mg/L)0.24 (0.09, 2.15)0.26 (0.09, 2.62)-4.3460