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Chinese Journal of Injury Repair and Wound Healing(Electronic Edition) ›› 2019, Vol. 14 ›› Issue (01): 39-45. doi: 10.3877/cma.j.issn.1673-9450.2019.01.008

Special Issue:

• Original Article • Previous Articles     Next Articles

Analysis of clinical effects of vacuum sealing drainage combined with hyperbaric oxygen in the treatment of diabetic foot

Cailiang Tang1, Shengwu Chao1,(), Yi Li1, Yan Liang1   

  1. 1. Department of Burns and Plastic Surgery, Affiliated Hospital of Qinghai University, Xining 810001, China
  • Received:2018-12-20 Online:2019-02-01 Published:2019-02-01
  • Contact: Shengwu Chao
  • About author:
    Corresponding author: Chao Shengwu, Email:

Abstract:

Objective

To evaluate the clinical efficacy of vacuum sealing drainage (VSD) combined with hyperbaric oxygen in the treatment of diabetic foot.

Methods

From September 2016 to April 2018, 60 patients with diabetic foot diagnosed in the Department of Burns and Plastic Surgery, Affiliated Hospital of Qinghai University were enrolled. According to the random number table method, 30 patients in the experimental group and 30 patients in the control group were included. On the basis of conventional treatments such as blood sugar control and anti-infection, VSD technology was used in control group; the experimental group was treated with VSD technology combined with hyperbaric oxygen on the basis of conventional treatment. The comprehensive curative effect of 2 groups after 7 and 14 days treatment was compared. The changes of blood rheology and blood gas analysis of 2 groups were observed before and after 7 and 14 days treatment. The changes of vascular endothelial growth factor (VEGF) and platelet derived growth factor (PDGF) levels and wound area were observed before and after 7 and 14 days treatment. Data were compared with t test and χ2 test.

Results

After 7 days of treatment, the total effective rate of the experimental group was 93.3%(28/30), which was significantly stronger than that of the control group [80.0%(24/30)]. The difference was statistically significant (χ2=7.231, P<0.05). In the experimental group, after 7 days of treatment, the pH (7.42±0.19), PCO2 (41.76±1.65) mmHg, blood oxygen partial pressure (66.10±2.36) mmHg, blood oxygen saturation (89.50±1.62)%, blood oxygen content (6.60±1.17) Vol%, significantly higher than the control group [(7.40±0.25), (40.32±2.70) mmHg, (62.05±5.05) mmHg, (88.10±3.63)%, (6.08±1.17) Vol%], the differences were statistically significant (t=2.221, 2.442 , 4.023, 2.135, 2.073, with P values below 0.05); 7 days after treatment, the experimental group patients with low whole blood viscosity (11.08 ± 0.81) mPa.s, whole blood high shear viscosity (5.17 ± 0.34) mPa.s, plasma high shear viscosity (2.09±0.16) mPa.s and the red blood cell deformation index (0.76±0.48), which was significantly better than the control group [(12.29±1.81) mPa.s, (5.85±0.34) mPa.s, (2.58± 0.21) mPa.s, (0.87±0.11)], the differences were statistically significant (t=3.265, 7.531, 10.366, 4.942, with P values below 0.05); after 7 days of treatment, in the experimental group, VEGF (35.70±4.84) pg/mL, PDGF (36.60±2.98) pg/mL, which was more obvious than the control group [(25.36±3.21) pg/mL, (27.53±2.94) pg/mL], the differences were statistically significant (t=9.235, 11.134, with P values below 0.05); 7 days after treatment, the wound area of the experimental group was (5.13±0.60) cm2, the degree of reduction was significantly better than the control group (7.03±0.82) cm2, the difference was statistically significant (t=10.594, P=0.015). After 14 days of treatment, the total effective rate of the experimental group was 96.7%(29/30), which was significantly stronger than that of the control group [86.7%(26/30)], the difference was statistically significant (χ2=7.157, P=0.028). In the experimental group, after 14 days treatment, the pH (7.42± 0.21), partial pressure of carbon dioxide (PCO2) (42.46±1.57) mmHg, blood oxygen partial pressure (69.26±1.49) mmHg, blood oxygen saturation (91.05±1.20)%, blood oxygen content (6.74±0.89) Vol%, significantly higher than the control group [(7.40±0.31), (40.23±2.73) mmHg, (62.41±4.86) mmHg, (88.23±2.17)%, (6.13±1.22) Vol%], the differences were statistically significant (t=2.790, 3.778, 7.455, 6.620, 2.185, with P values below 0.05); after 14 days of treatment, the experimental group had low whole blood viscosity (8.10±1.07) mPa.s, whole blood high shear viscosity (4.26±0.33) mPa.s, plasma high shear viscosity (1.64±0.22) mPa.s, the deformation index of red blood cells (0.64±0.04), which was significantly better than that of the control group [(11.74±1.54) mPa.s, (5.82±0.41) mPa.s, (2.53±0.23) mPa.s, (0.83±0.10)], the differences were statistically significant (t=9.905, 16.609, 16.358, 9.617, with P values below 0.05). In the experimental group, after 14 days treatment, VEGF level was (47.72±3.75) pg/mL and PDGF level was (49.17±2.48) pg/mL, compared with the control group [(37.04±2.90) pg/mL, (38.18±2.65) pg/mL], the difference was statistically significant (t=13.062, 17.276, with P values below 0.05). The wound area of the experimental group after 14 days treatment was (2.88±0.52) cm2, which was significantly better than that of the control group (5.07±0.61) cm2. The difference was statistically significant (t=12.332, P=0.013).

Conclusions

VSD combined with hyperbaric oxygen therapy has a significant effect on the healing of diabetic foot patients, which is significantly better than the efficacy of VSD alone. The combined effect of the two is very significant.

Key words: Diabetic foot, Hyperbaric oxygenation, Blood gas analysis, Vacuum sealing drainage

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