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PURPOSE: To quantify the effectiveness of prehabilitation prior to total knee and hip arthroplasty (TKA/THA) for osteoarthritis on postoperative outcomes assessed by self-report and performance-based measures. METHODS: Embase, MEDLINE, CENTRAL, CINAHL and Scopus (inception-August 2022) were searched for randomized controlled trials. Self-report outcomes were function, health-related quality of life (HRQoL), and pain. Performance-based outcomes were strength, range of motion (ROM), balance, and functional mobility. The RoB 2.0 assessed risk of bias. Random-effects meta-analysis was performed up to 52 weeks after TKA/THA. RESULTS: High risk of bias was found in 24 of 28 trials. Prehabilitation improved function (SMD = 0.50 [95%CI: 0.23, 0.77]), pain (SMD = 0.44 [95%CI: 0.17, 0.71]), HRQoL (SMD = 0.28 [95%CI: 0.12, 0.43]), strength (SMD = 0.72 [95%CI: 0.47, 0.98]), ROM (SMD = 0.31 [95%CI: 0.02, 0.59]), and functional mobility (SMD = 0.39 [95%CI: 0.05, 0.73]) post-TKA. No significant effect of prehabilitation on balance (SMD = 0.28 [95%CI: -0.11, 0.66]) post-TKA. All outcomes assessed had significant heterogeneity (p < 0.01). There were limited and contradictory trials (n = 2) for THA. CONCLUSION: High risk of bias and significant heterogeneity observed in our meta-analysis prevent conclusions regarding prehabilitation effectiveness on outcomes up to one year after TKA/THA.

Prehabilitation has been promoted to improve postoperative outcomes and shorten recovery periods after total knee/hip arthroplasty (TKA/THA) for osteoarthritisPrehabilitation improved relevant self-report and performance-based outcomes after TKA surgeryA high risk of bias and significant heterogeneity across trials prevent drawing any conclusionsMore high-quality research is required before recommending the implementation of prehabilitation programs in clinical practice for people awaiting TKA/THA.

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BACKGROUND: Whether symptomatic benign prostatic hyperplasia (sBPH), which is common among middle-aged and older men, affects the risk of periprosthetic joint infection (PJI) remains controversial. The present study explored this question among men undergoing total knee arthroplasty and total hip arthroplasty (TKA and THA). METHODS: We retrospectively analyzed medical data from 948 men who underwent primary TKA or THA at our institution between 2010 and 2021. We compared the incidence of postoperative complications such as PJI, urinary tract infection (UTI), and postoperative urinary retention (POUR) between 316 patients (193 hips and 123 knees) who did and 632 patients who did not have sBPH; the 2 groups of patients were matched to each other in a 1:2 ratio based on numerous clinical demographic variables. In the subgroup analyses, we stratified sBPH patients according to whether they began anti-sBPH medical therapy prior to arthroplasty. RESULTS: PJI following primary TKA was significantly more common among sBPH patients than among patients who did not have sBPH (4.1 vs 0.4%; P = .029), as were UTI (P = .029), and POUR (P < .001). Patients who had sBPH also had an increased incidence of UTI (P = .006) and POUR (P < .001) following THA. Among sBPH patients, those who started anti-sBPH medical therapy before TKA suffered significantly lower incidence of PJI than those who did not. CONCLUSION: Symptomatic benign prostatic hyperplasia is a risk factor for PJI after primary TKA among men, and starting appropriate medical therapy before surgery can reduce the risk of PJI following TKA and postoperative urinary complications following TKA and THA.

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BACKGROUND: Chronic postoperative pain following total joint replacement (TJA) is a substantial clinical problem, and poor sleep may affect predictive factors for postoperative pain, such as pain catastrophizing. However, the magnitude of these associations is currently unknown. This exploratory study investigated (1) the relationship between preoperative sleep quality, clinical pain intensity, pain catastrophizing, anxiety, and depression and (2) their associations with chronic postoperative pain following TJA. METHODS: This secondary analysis from a larger randomized controlled trial included rest pain intensity (preoperative and 12 months postoperative; visual analogue scale, VAS), preoperative Pittsburgh Sleep Quality Index (PSQI), Pain Catastrophizing Scale (PCS), Hospital Anxiety and Depression Scale (HADS) data from 74 knee and 89 hip osteoarthritis (OA) patients scheduled for TJA. Poor sleepers were identified based on preoperative PSQI scores higher than 5. RESULTS: Poor sleepers demonstrated higher preoperative VAS, pain catastrophizing, anxiety, and depression compared with good sleepers (all p < 0.003). Preoperative PSQI (ß = 0.23, p = 0.006), PCS (ß = 0.44, p < 0.005), and anxiety (ß = 0.18, p = 0.036) were independent factors for preoperative VAS. Preoperative VAS (ß = 0.32, p < 0.005), but not preoperative sleep quality (ß = -0.06, p = 0.5), was an independent factor for postoperative VAS. CONCLUSION: The OA patients reporting poor preoperative sleep quality show higher preoperative pain, pain catastrophizing, anxiety, and depression. High preoperative pain intensity, but not poor sleep quality, was associated with higher chronic postoperative pain intensity. Future studies are encouraged to explore associations between sleep and chronic postoperative pain.

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BACKGROUND: Deep vein thrombosis (DVT) is one of the life-threatening complications of total joint arthroplasty (TJA) postoperatively, and its risk factors are still controversial. The aim of this study was to identify the risk factors of DVT after TJA. STUDY DESIGN AND METHODS: A nested case-control study based on a large dataset of 15,326 patients undergoing TJA was performed. Potential risk factors of DVT and demographic information were extracted from the electronic health record. Patients with DVT (73 patients) were treated as study group while non-DVT patients who were matched 1:4 according to the anticoagulant type, were considered as control group (292 patients). These variables of potential risk factors for DVT including age, sex, body mass index (BMI), American Society of Anesthesiologists class, comorbidity, preoperative hemoglobin (HB) level and analgesic use, surgical site (knee or hip) and type, the start time of drug anticoagulation, ambulation time, transfusion, and whether to use tranexamic acid (TXA), drain, human serum albumin, and measures of physical thromboprophylaxis after operation were collected and evaluated by survival analysis and presented as P value and odds ratio with 95% confidence interval. RESULTS: There were 15,326 patients underwent TJA and 73 (0.48%) patients had DVT among them, and the occurrence rates were 0.71% for the patients underwent total knee arthroplasty (TKA) while 0.24% for total hip arthroplasty. The risk factors associated with DVT included TKA (compared with THA), advanced age (> 70 years), drain use, and delayed ambulation (≥ 72 h) postoperatively. CONCLUSION: The present results suggest that the occurrence rate of DVT on the patients underwent TJA was low (0.48%) relatively. And the risk factors associated with increased risk of DVT included TKA (compared with THA), advanced age, drain use, and delayed ambulation postoperatively. Individualized and more efficient risk stratification protocols of anticoagulation after TJA for Chinese may need to be developed in the future.

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OBJECTIVE: To compare the efficacy and safety of the combined application of both intravenous and topical tranexamic acid versus the single use of either application in patients with total knee and hip arthroplasty. METHODS: Potentially relevant studies were identified from electronic databases including Medline, PubMed, Embase, ScienceDirect and the Cochrane Library. Patients undergoing primary total knee and hip arthroplasty were included in our studies, with an experimental group that received combined intravenous and topical application of tranexamic acid and a control group that received a single application of tranexamic acid or normal saline. The primary outcomes were total blood loss, hemoglobin decline and transfusion requirements. The secondary outcomes were length of stay, operation time and tranexamic acid-related adverse effects, such as superficial infection, deep vein thrombosis or pulmonary embolism. Modified Jadad scores were used to assess the quality of the included randomized controlled trials (RCTs). The data was pooled using RevMan 5.3. After testing for heterogeneity across studies, the data were aggregated using random-effects modeling when appropriate. We have registered the trial at http://www.researchregistry.com. RESULTS: Six RCTs that included 704 patients met the inclusion criteria. The present meta-analysis indicated significant differences existed in the total blood loss (MD = -134.65, 95% CI: -191.66 to -77.64, P < 0.0001), postoperative hemoglobin level (MD = 0.74, 95% CI: 0.39 to 1.10, P < 0.0001), drainage volume (MD = -40.19, 95% CI: -55.95 to -24.43, P < 0.00001) and transfusion rate (RD = -0.07, 95% CI: -0.11 to -0.03, P = 0.0004) between groups. CONCLUSION: Combined administration of tranexamic acid in total knee and hip arthroplasty was associated with significantly reduced total blood loss, postoperative hemoglobin decline, drainage volume, and transfusion requirements. Based on the limitations of current meta-analysis, well-designed, high-quality RCTs with long-term follow-up are still required.

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OBJECTIVE: We performed a meta-analysis from randomized controlled trials to evaluate the efficiency and safety between local infiltration analgesia and intrathecal morphine for pain control in total knee and hip arthroplasty. METHODS: We systemically searched electronic databases including Embase (1980-2016.7), Medline (1966-2016.7), PubMed (1966-2016.7), ScienceDirect (1985-2016.7), web of science (1950-2016.7) and Cochrane Library for relevant articles. All calculation was carried out by Stata 11.0. RESULTS: Four randomized controlled trials (RCTs) involving 242 patients met the inclusion criteria. The meta-analysis showed that there were significant differences in terms of postoperative pain scores at 24 h during rest (P = 0.008) and mobilization (P = 0.049) following total knee and hip arthroplasty. Significant difference was found regarding the incidence of nausea (P = 0.030), vomiting (P = 0.005), and pruritus (P = 0.000) between two groups. There was no significant difference between groups in terms of morphine equivalent consumption at postoperative 24 or 48 h. CONCLUSIONS: Local infiltration analgesia (LIA) provided superior analgesic effects within the first 24 h compared to intrathecal morphine (ITM) following total knee and hip arthroplasty. There were fewer adverse effects in LIA. Doses of morphine consumption were similar in the two groups.

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BACKGROUND: This meta-analysis aimed to evaluate the efficiency and safety of combined intravenous and topical methods of application versus single intravenous of tranexamic acid in primary total knee and hip arthroplasty. METHODS: A systematic search was carried out in MEDLINE (from 1966 to 25 September 2016), PubMed (from 1966 to 25 September 2016), Embase (from 1980 to 25 September 2016), ScienceDirect (from 1985 to 25 September 2016) and the Cochrane Library. Only high-quality randomised controlled trials (RCT) were identified. Two authors independently performed data extraction and quality assessment of included studies. Meta-analysis was conducted using Review Manager 5.1 software. RESULTS: Six RCTs that included 687 patients met the inclusion criteria. The present meta-analysis indicated that there were significant differences in terms of total blood loss (MD = -193.59, 95% CI -338.06 to -49.13, P = 0.009), transfusion rate (RD = -0.07, 95% CI -0.12 to -0.03, P = 0.001), haemoglobin decline (MD = -0.51, 95% CI -0.83 to -0.18, P = 0.01) and length of stay (MD = -0.20, 95% CI -0.38 to -0.02, P = 0.03) between groups. CONCLUSIONS: Combined administration of tranexamic acid (TXA) in patients with total knee and hip arthroplasty was associated with significantly reduced total blood loss, transfusion requirements, postoperative haemoglobin decline and length of stay compared to single application alone but was not associated with prolonged operation time. Moreover, no adverse effects, such as superficial infection, deep vein thrombus (DVT) or pulmonary embolism (PE), were associated with TXA. We suggest that combined administration of TXA demonstrated excellent clinical efficacy and safety in patients with total knee and hip arthroplasty. More importantly, well-designed studies with larger sample size are needed to provide further reliable evidence for the combined use of TXA.

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