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Table 5 Comparison of the pain VAS score, thigh circumference, ROM, CPK, and LDH with time table

From: Efficacy and safety of a new elastic tourniquet cuff in total knee arthroplasty: a prospective randomized controlled study

 

Preoperative

Postoperative day 1

Postoperative day 2

Postoperative day 4

Postoperative day 7

Pain VAS on the thigh

 Conventional cuff

 

1.3 ± 2.3

1.3 ± 2.8

0.6 ± 1.4

0.3 ± 0.8

 Elastic cuff

 

1.3 ± 1.9

0.5 ± 1.2

0.2 ± 0.7

0.1 ± 0.4

 p value

 

0.960

0.230

0.308

0.421

Thigh circumference (cm)

 Conventional cuff

49.9 ± 4.6

52.0 ± 4.5

51.9 ± 5.0

51.0 ± 4.6

50.4 ± 4.3

 Elastic cuff

50.4 ± 4.5

52.0 ± 4.5

51.7 ± 4.5

50.9 ± 4.2

50.6 ± 4.2

 p value

0.528

0.992

0.865

0.901

0.849

ROM (°)

 Conventional cuff

116.9 ± 21.2

55.5 ± 14.3

84.0 ± 18.3

107.1 ± 15.5

124.8 ± 11.8

 Elastic cuff

125.0 ± 18.6

53.9 ± 13.9

77.5 ± 18.0

104.3 ± 17.5

121.8 ± 13.5

 p value

0.190

0.710

0.244

0.579

0.451

CPK (mcg/L)

 Conventional cuff

 

94.4 ± 35.6

110.0 ± 28.4

76.1 ± 35.3

58.7 ± 33.2

 Elastic cuff

 

134.8 ± 94.2

163.2 ± 110.0

106.2 ± 73.2

63.7 ± 34.9

 p value

 

0.072

0.038

0.096

0.632

LDH (IU/L)

 Conventional cuff

 

178.8 ± 34.9

175.9 ± 35.8

201.2 ± 33.8

230.5 ± 63.0

 Elastic cuff

 

184.1 ± 35.8

188.5 ± 36.0

211.2 ± 41.3

232.9 ± 33.5

 p value

 

0.624

0.257

0.394

0.874

  1. Values are presented as mean ± standard deviation and derived using ANOVA
  2. VAS visual analog scale, ROM range of motion, CPK creatine phosphokinase, LDH lactate dehydrogenase