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Table 2 Interventional and Procedural Details

From: One year clinical outcomes of Rutherford 6 chronic limb threatening ischemia patients undergoing lower limb endovascular revascularisation from Singapore

Interventional Details

Number of limbs

(n = 86)

Percentage

(%)

Urgency

 Elective

34

39.5

 Urgent

50

58.1

 Emergency

2

2.3

Symptoms (Indicated limb)

 Ulcer/Necrosis

64

74.4

 Non-healing Amputation

15

17.4

 Both Ulcer + Non-healing amputation

6

7.0

 Acute Ischemia

1

1.2

WIfI Score (Indicated limb)

 Mean WIfI Score (SD)

4.3 ± 1.7

Wound

 0 (none)

3

3.5

 1 (shallow)

21

24.4

 2 (deep)

35

40.7

 3 (extensive)

27

31.4

Ischemia (toe pressure, mmHg)

 0 (none)

38

44.2

 1 (40–59)

22

25.6

 2 (30–39)

10

11.6

 3 (< 30)

16

18.6

Infection

 0 (none)

20

23.3

 1 (mild)

31

36.0

 2 (moderate)

31

36.0

 3 (severe)

4

4.7

Clinical Stages (Risk of Amputation)

 1 (very low risk)

9

10.5

 2 (low risk)

18

20.9

 3 (moderate risk)

18

20.9

 4 (high risk)

41

47.7

Procedural details

Number of lesions

(n = 255)

Percentage

(%)

Lesion details

 Right

142

55.7

 Left

113

44.3

Technical success

 Successful (Stenosis ≤ 30%)

231

90.6

 Stenosis > 30%

7

2.7

 Target Lesion Occlusion

3

1.2

 Technical Failure

14

5.5

Mean lesion length (cm)

12.9 ± 12.0

Location of treated vessel

 Aorto-iliac

11

4.3

 Common Femoral Artery (CFA)

3

1.2

 Superior Femoral Artery (SFA) + Popliteal

85

33.3

 Anterior Tibial Artery (ATA)

60

23.5

 Posterior Tibial Artery (PTA)

28

11.0

 TP Trunk

16

6.3

 Peroneal

31

12.2

 Common Plantar Artery

7

2.7

 Dorsalis Pedis Artery (DPA)

14

5.5

TASC II Classification

 A

47

18.4

 B

67

26.3

 C

62

24.3

 D

79

31.0

 

Number of lesions

(n = 255)

Percentage

(%)

Treatment type (total number of procedures)

 Plain balloon

288

84.0

 Drug coated balloon

49

14.3

 Stent

4

1.2

 Atherectomy

2

0.6

 Mean number of plain balloons per leg

3.3

 

 Mean number of drug coated balloons per leg

0.6