Effects of total knee arthroplasty on postoperative pain and function of rheumatoid arthritis patients with no tourniquet
Objective To analyze the effects of total knee arthroplasty(TKA)on postoperative pain and function of rheumatoid arthritis(RA)patients with no tourniquet.Methods The clinical data of 72 RA patients who underwent unilateral TKA in our hospital from January 2017 to December 2022 were retrospectively analyzed.Tourniquet was applied throughout the operation in the control group(36 cases),while the tourniquet was not applied throughout the operation in the experimental group(36 cases).The operation time,intraoperative blood loss,hidden blood loss and total blood loss were recorded.Preoperative and postoperative visual analogue scale(VAS),range of motion(ROM),hospital for special surgery(HSS),postoperative complications and other indicators were compared.Results There was no significant difference in intraoperative blood loss between the two groups(P>0.05).The operation time of the control group(72.5±10.0)min was shorter than that of the experimental group(78.64±14.95)min,and the differences were statistically significant(P<0.05).The hidden blood loss of the control group(440±167)was higher than that of the experimental group(347±178).The total blood loss of the control group(510±150)was higher than that of the experimental group(420±180)at 1 day after operation.The total blood loss of the control group(677±205)was higher than that of the experimental group(551±260)at 7 days after operation,and the differences were statistically significant(P<0.05).The ROM of the experimental group(98.31±8.24)° was better than that of the control group(91.39±6.72)° at 1 month after operation,and the differences were statistically significant(P<0.05).The VAS scores of the experimental group at 7 days(3.02±0.88)and 30 days(1.50±0.66)were better than those of the control group at 7 days(3.56±1.11)and 30 days(1.91±0.77),and the differences were statistically significant(P<0.05).The HSS scores of the experimental group at 7 days(70.83±5.14)and 30 days(77.50±2.99)were better than those of the control group at 7 days(68.47±3.00)and 30 days(74.83±1.34),and the differences were statistically significant(P<0.05).No postoperative complications were recorded in both groups.Conclusions Non-tourniquet TKA of RA patients can reduce the total blood loss with better performance in pain and functional recovery.
Arthroplasty,replacement,kneeArthritis,rheumatoidTourniquetsRecovery of functionPain,postoperativeBlood loss,surgical
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