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Table 7 Studies reporting percutaneous transluminal angioplasty as part of stem cell therapy for diabetic foot ulcers

From: Stem cell therapy for diabetic foot ulcers: a review of preclinical and clinical research

Author

Year

N

Study design

Type of cell

Administration route

Results

Follow-up (months)

Huang et al. [90]

2010

11

Prospective, one group:

- PTA + SCT

Autologous PB-MSC

Intraarterial and intramuscular

Improvement of:

• Ulcer healing 66.7%

• Gangrene healing 77.8%

• Pain 90.9%

• Claudication distance 100%

• Cold sensation 100% new vessels (P < 0.05)

3–12

Qin et al. [101]

2013

40

Prospective, NRS, two groups:

- PTA only

- PTA + SCT

Allogeneic hUC-MSC

Intraarterial

PTA + SCT group showed better:

• ABI (P < 0.05)

• Skin temperature (P < 0.05)

• Claudication distance (P < 0.05)

• Number of new vessels (P < 0.05)

3

Dubsky et al. [75]

2014

84

Retrospective, NRS, three groups:

- PTA only

- SCT only

- Control (no intervention)

Autologous BM-MSC

Intramuscular

PTA + SCT group showed better:

• TcPO2 (P < 0.05)

• Amputation-free survival (P < 0.05)

SCT group showed better

• Wound healing in 3 months (P = 0.032), 6 months (P = 0.005), 12 months (P = 0.0013)

12

Qin et al. [71]

2016

53

Prospective, NRS, two groups:

- PTA only

- PTA + SCT

Allogeneic hUC-MSC

Intraarterial and intramuscular

PTA + SCT group showed better:

• ABI (P < 0.05)

• Skin temperature (P < 0.05)

• Claudication distance (P < 0.05)

• TcPO2 (P < 0.05)

1–3

Tian et al. [70]

2016

61

Prospective, RCT, three groups:

- PTA only

- SCT only

- PTA + SCT

Autologous BM-MSC

Intraarterial and intramuscular

PTA + SCT group showed:

• Better total effective rate (P < 0.05)

• Lower stenosis recurrence (P < 0.05)

9

  1. NRS non-randomized controlled study, RCT randomized clinical trial, PTA percutaneous transluminal angioplasty, SCT stem cell therapy, BM-MSC bone marrow-derived mesenchymal stem cells, hUC-MSC human umbilical cord mesenchymal stem cells, PB-MSC peripheral blood-derived mesenchymal stem cells, TcPO2 transcutaneous oxygen pressure, ABI ankle-brachial index