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

Table 4 Comparison of the intraoperative and postoperative outcomes

	Conventional cuff group	Elastic cuff group	p value
LOP (mmHg)	175.7 ± 18.8	169.3 ± 20.4	0.294*
RTP (mmHg)	252.3 ± 21.0	246.1 ± 23.7	0.374*
Tourniquet time (min)	67.3 ± 18.4	62.9 ± 17.0	0.412*
Drainage for 24 h after TKA	563.2 ± 262.8	616.6 ± 327.1	0.559*
Duration of PCA days	4.57 ± 1.43	4.64 ± 1.40	0.881*
Refills of PCA (n)	1.19 ± 0.40	1.05 ± 0.21	0.145*
Rescue injections (n)	1.29 ± 1.45	1.00 ± 1.27	0.496*
Unacceptable bloodless surgical field (n)	4	1	0.196^†
Skin complication	2	0	0.238^†
Acute DVT on duplex ultrasonography (n)	6	6	0.951^§

Values are presented as mean ± standard deviation (*Student’s t test; ^†Fisher’s exact test; ^§Chi square test)
LOP limb occlusion pressure, RTP recommended tourniquet pressure, TKA total knee arthroplasty, PCA patient-controlled anesthesia, DVT deep vein thrombosis

ISSN: 1475-925X