This study provides some information on the most common pathogens in our institution and the selection of antibiotics in the perioperative period in northern China. Cefuroxime and clindamycin might not be appropriate for use as prophylactic antibiotics in revision total knee or hip arthroplasty. Vancomycin is ideal for empiric antibiotic use in suspected PJI cases because of the low drug-resistance rate.
Background With data from different regions accumulated, physical inactivity (PI) was found to be pandemic worldwide. Using China Health and Retirement Longitudinal Study (CHARLS), a nationwide longitudinal survey data, we aimed to delineate the prevalence, incidence and risk factors of physical inactivity (PI) among Chinese people aged 45 years and older. Methods The CHARLS covered nearly all provinces, autonomous regions, municipalities of mainland China. With data from CHARLS, three cross-sectional analyses and a cohort analysis were conducted. In cross-sectional studies, we used surveys at 2011, 2013 and 2015 to examine the prevalence and its trend of PI. Multivariate generalized linear model was conducted in survey at 2011 to examine the risk factors for prevalent PI. Multiple imputation of missing values was used and results before and after imputation were compared. In cohort analysis, we identified people free of PI at 2011 and followed them up until 2015 to estimate the incidence of PI. Generalized estimating equation was used to examine the risk factors associated with incidence PI. In all analyses, PI was defined as insufficient physical activity according to the International Physical Activity Questionnaire (IPAQ) criterion. Results 6650, 5946 and 9389 participants were eligible for cross-sectional analyses, and 4525 participants were included for cohort analysis. The weighted prevalence of PI was 22.25% (95% CI: 20.63–23.95%) in 2011, 20.64% (95% CI: 19.22–22.14%) in 2013 and 19.31% (95% CI: 18.28–20.38%) in 2015. In multivariate analysis, PI was associated with older age, higher education, overweight, obesity and difficulties in daily living, and was negatively associated with working and higher level of expenditure. No material change was detected in results after multiple imputation. In cohort analysis, older age, abundant public facilities, difficulties in daily living were identified as risk factors of incidence PI, while urban areas, college and above education, and working were protective factors. Conclusions PI is pandemic in 45 years and older people in China. People with older age, difficulties in daily living and people who are not working are at higher risk. More efforts should be paid in estimating and promoting leisure-time physical activities.
Background A growing number of patients continue to receive total knee replacement (TKR) surgery. Nevertheless, such surgeries result in moderate to severe postoperative pain and difficulty in managing it. Musical interventions are regarded as a type of multimodal analgesia, achieving beneficial results in other clinical treatments. This study aims to evaluate the effect of musical interventions in improving short-term pain outcomes following TKR in order to determine a more reasonable and standard way of delivering musical intervention. Methods A systematic search was conducted to identify available and relevant randomized controlled trials (RCTs) regarding musical interventions compared against non-musical interventions in patients treated with TKR in Embase, MEDLINE, Cochrane Library, Web of Science, CNKI, and Wanfang Med Online up to 8 January 2020. The authors independently assessed study eligibility and risk of bias and collected the outcomes of interest to analyze. The statistical analysis was conducted using the Review Manager (RevMan) version 5.30 software. Results Eight RCTs comprised of 555 patients satisfied the inclusion criteria and were enrolled in the present study. The results showed no significant difference between the music and control groups in pain of the visual analog scale (VAS), during postoperative recovery room, back to the ward after surgery; anxiety degree of VAS; heart rate; respiratory rate; oxygen saturation; blood pressure, systolic blood pressure, and diastolic blood pressure. Nevertheless, significant differences were observed between the two groups in average increase in continuous passive motion (CPM) angles and LF/HF ratio (one kind index of heart rate variability). Conclusions Musical interventions fail to demonstrate an obvious effect in improving short-term pain outcomes following TKR. A reasonable standardization of musical interventions, including musical type, outcome measures used, outcomes measured, duration, timing and headphones or players, may improve pain outcomes with certain advantages and should be further explored after TKR.
BackgroundOsteoarthritis (OA) is a common chronic disease worldwide. Subchondral bone is an important pathological change in OA and responds more rapidly to adverse loading and events compared to cartilage. However, the pathogenic genes and pathways of subchondral bone are largely unclear.ObjectiveThis study aimed to identify signature differences in genes involved in knee lateral tibial (LT) and medial tibial (MT) plateaus of subchondral bone tissue while exploring their potential molecular mechanisms via bioinformatics analysis.MethodsFirst, the gene expression data of GSE51588 was downloaded from the GEO database. Differentially expressed genes (DEGs) between knee LT and MT were identified, and functional enrichment analyses were performed. Then, a protein-protein interactive network was constructed in order to acquire the hub genes, and modules analysis was conducted using STRING and Cytoscape for further analysis. The enriched hub genes were queried in DGIdb database to find suitable drug candidates in OA.ResultsA total of 202 DEGs (112 upregulated genes and 84 downregulated genes) were determined. In the PPI network, ten hub genes were identified. Five significant modules were identified using the MCODE plugin unit. Functional enrichment analysis revealed the most important signaling pathways. Six of the ten hub genes were targetable by a total of 35 drugs, suggesting their possible therapeutic use for OA .ConclusionsThe identified hub genes and functional enrichment pathways were implicated in the development and progression of subchondral bone in OA, thus improving our understanding of OA and offering molecular targets for future therapeutic modalities.
Background: Direct anterior approach (DAA)for total hip arthroplasty (THA)could be performed either in the lateral decubitus position or supine position. However, there is an obvious absence of literature regarding the differences, which position may be more conducive to recovery, technically more demanding, associated with component malposition or more complications. Methods: From Jan.1st, 2020 to oct.1st, 2020, 45 patients were recruited for primary unilateral THA using the DAA. In total, 27 patients (60%) underwent THAs using the DAA in the supine position, and 18 patients (40%) in the lateral decubitus position. All surgeries were performed by a high-volume surgeon. Technical information, clinical and radiographic outcomes, SF-12 and patient-reported outcomes such as WOMAC were evaluated. All the date were tested with Generalized Linear Mixed Models Analysis, GLM Repeated Measurement Analysis, Independent samples t-test or Pearson’s chi-square test.Results: There were no differences in Population characteristics before surgery. The operation time, length of stay and blood loss in the LP group and the SP group were no differences. The prosthesis of the two groups were in a good position. pre-operative and the first and third day after the surgery of CK-MB and Hb,pre-operative and the last follow-up of HSS,WOMAC,UCLA,VAS,SF-12,and pre-operation and post-operation of Offset,FA and LLD, all the above indicators show no significant difference. And the incidence of complications in the lateral position was lower than that in the supine position.Conclusion: Both THA via DAA in the lateral decubitus position and in the supine position produced excellent clinical outcomes. From the perspective of the occurrence of complications, we are more inclined to use the lateral position.
Background The purpose of this study was to compare the clinical and radiological outcomes of displaced intra-articular calcaneus fractures (DIACFs) treated with small locking plates alone versus small locking plates combined with screws. Methods Retrospective analysis of 120 patients with intra-articular fractures seen from May 2018 to June 2020, all of whom were surgically repositioned using sinus tarsal approach.60 cases received a small locking plate combined with screws fixation (observation group) and 60 cases received a small locking plate fixation alone (control group).Demographic variables were recorded and compared Gissane angle, Bohler's angle, calcaneal varus, and joint line parallel angle at 3 days and 2 years postoperative follow-up.The American Orthopaedic Foot and Ankle Society (AOFAS) Ankle and Hindfoot Score and VAS were applied to assess postoperative foot function, and complications were also compared. Results Compared with the control group, the joint line parallel angle and calcaneal varus in the observation group had lower displacement changes from the postoperative period to the 2-year follow-up,they are 0.07 (0.15) degrees vs 0.47 (0.59) degrees(P < 0.001), 0.19 (0.35) degrees vs 1.18 (0.67) degrees(P < 0.001).There was no significant difference in Gissane angle and Bohler's angle between the observation group and the control group at the preoperative, 3-year and 2-year follow-up (P > 0.05).The final AOFAS score, VAS score and complications were not significantly different between the two groups (P > 0.05). Conclusion When STA is used to treat DIACFs, fixation with a small locking plate combined with screws appears to provide better posterior articular surface stability and better maintenance of calcaneal axial stability than fixation with a small locking plate alone,the two techniques had similar functional outcomes and complications after surgery.
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