We performed a meta‐analysis to evaluate the influences of closed incisions in orthopaedic trauma surgery (OTS) by negative pressure wound treatment (NPWT) compared with conventional dressings. A systematic literature search up to March 2022 was done and 14 studies included 3935 subjects with OTS at the start of the study; 2023 of them used NPWT and 1912 were conventional dressings. They were reporting relationships between the influences of closed incisions in OTS by NPWT compared with conventional dressings. We calculated the odds ratio (OR) with 95% confidence intervals (CIs) to assess the influences of closed incisions in OTS by NPWT compared with conventional dressings using the dichotomous methods with a random or fixed‐effect model. NPWT had significantly lower deep surgical site infections (SSIs) (OR, 0.65; 95% CI, 0.48‐0.87, P = .004), superficial SSIs (OR, 0.34; 95% CI, 0.19‐0.61, P < .001), and wound dehiscence (OR, 0.41; 95% CI, 0.21‐0.80, P = .009) compared with conventional dressings in subjects with closed incisions in OTS. NPWT showed a beneficial effect on deep SSIs, superficial SSIs, and wound dehiscence compared with conventional dressings in subjects with closed incisions in OTS. Further studies are required to validate these findings.
We performed a meta-analysis to evaluate the effect of serologic malnutrition on postoperative wound infection problems after total joint arthroplasty. A systematic literature search up to April 2022, was performed and 446 501 subjects with total joint arthroplasty at the baseline of the studies; 200 433 of them were confirmed serologic malnutrition, and 246 068 were confirmed normal nutrition. Odds ratio (OR) and 95% confidence intervals (CIs) were calculated to assess the effect of serologic malnutrition on postoperative wound infection problems after total joint arthroplasty using the dichotomous method with a random or fixed-effect model. The serologic malnutrition subjects had a significantly higher wound disruption (OR, 1.97; 95% CI, 1.53-2.53, P < 0.001), higher superficial incisional surgical site infection (OR, 2.89; 95% CI, 1.67-5.01, P < 0.001), higher deep incisional surgical site infection (OR, 3.06; 95% CI, 2.36-3.96, P < 0.001), and higher organ space surgical site infection (OR, 3.15; 95% CI, 2.34-4.24, P < 0.001) in subjects after total joint arthroplasty compared with normal nutrition. The serologic malnutrition subjects had a significantly higher wound disruption, superficial incisional surgical site infection, deep incisional surgical site infection, and organ space surgical site infection in subjects after total joint arthroplasty compared with normal nutrition.The analysis of outcomes should be with caution because of the low number of studies in certain comparisons.
Background. Knee osteoarthritis (KOA) is a chronic disease that seriously endangers the health of the elderly. Choosing appropriate surgery for knee osteoarthritis patients is especially important. Objective. To investigate the safety and efficacy of unicondylar knee prosthesis treatment for unicompartmental osteoarthritis of the knee. Materials and Methods. One hundred patients with unicondylar osteoarthritis of the knee treated in our hospital from June 2019 to June 2021 were selected as retrospective study subjects and were divided into 50 cases each in the comparison group and the observation group according to the different surgical methods. Among them, the comparison group was treated with unicondylar knee arthroplasty (UKA), and the observation group was treated with unicondylar knee prosthesis replacement, and the differences in AKS score, knee flexion angle, tibial angle orthosis, joint mobility, and postoperative recovery were compared between the two groups. Results. The AKS score and knee flexion angle score of the observation group were higher than those of the comparison group after surgery. However, the tibial angle orthopedic score of the observation group was significantly lower than that of the comparison group after surgery for comparison, and the VAS score of the observation group was lower than that of the comparison group. However, the Lysholm score of the observation group was higher than that of the control group after surgery ( P < 0.05 ). The complication rate of patients in the observation group was significantly lower than that of the comparison group, and the HSS score, VAS score, and knee mobility (ROM) of the two groups were statistically significant ( P < 0.05 ) when compared at 7 d after surgery and 6 months after surgery. Conclusion. The clinical efficacy of unicondylar knee prosthesis replacement for osteoarthritis of the knee is better than that of unicondylar knee arthroplasty (UKA) treatment.
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