Purpose High tibial osteotomy (HTO) and unicompartmental knee arthroplasty (UKA) are commonly performed procedures for the treatment of compartmental knee osteoarthritis. However, the optimal procedure remains controversial. Therefore, we conducted this systematic review and meta-analysis to compare the functional outcomes, complications, and revision between the two techniques.Methods We searched electronic databases for relevant studies comparing HTO versus UKA for unicompartmental knee osteoarthritis. Continuous data as visual analogue scale (VAS), range of motion, and free walking speed were pooled as mean differences (MDs).Dichotomous data as functional knee outcomes, complications, and revision were pooled as odds ratios (ORs), with 95% con dence interval (CI), using R software for windows.Results Twenty-ve studies involving 8185 patients were included. Meta-analysis showed that HTO was associated with higher risk of complications (OR= 2.47, 95% CI [1.52, 4.04]), poor functional results (excellent/good) (OR= 0.32, 95% CI [0.21, 0.49]), and larger range of motion (MD= 7.05, 95% CI [2.41,11.68]) compared to UKA. No signi cant differences were found between the compared groups in terms of VAS (MD= 0.14, 95% CI [-0.08, 0.36]), revision (OR= 1.30, 95% CI [0.65, 2.60]), and free walking speed (MD= -0.05, 95% CI [-0.11, 0.00]). ConclusionThis study showed that UKA achieved fewer complications, better functional outcomes, and less range of motion compared to HTO. No signi cant differences were detected between HTO and UKA in terms of VAS and revision rate.
utologous fat grafting (AFG) is a common and effective technique for treating volume and contour abnormalities in aesthetic and reconstructive plastic surgery. 1 AFG use hasBackground: Autologous fat grafting (AFG) is a breast augmentation method for treating volume and contour abnormalities. This systematic review aims to summarize complications, radiologic safety, volume retention, and patient satisfaction associated with AFG. Methods: The PubMed, Embase, Google Scholar, Cochrane Central Register of Controlled Trials, Wiley library, clinical key/Elsevier, and EBSCO databases were searched for relevant studies from January of 2009 to March of 2022. Articles describing AFG for breast augmentation were selected based on predetermined inclusion and exclusion criteria. Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were adhered to, and the study was registered on the International Prospective Register of Systematic Reviews. The Risk of Bias in Nonrandomized Studies of Interventions assessment was used to assess the quality of studies and the risk of bias was measured using the Cochrane Risk of Bias Assessment Tool for Nonrandomized Studies of Interventions. Results: A total of 35 studies comprising 3757 women were included. The average follow-up duration was 24.5 months (range, 1 to 372 months). The overall complication rate was 27.8%, with fat necrosis making up 43.7% of all complications. Average fat volume injected was 300 mL (range, 134 to 610 mL), and average volume retention was 58% (range, 44% to 83%). Volume retention was greater with supplementation of fat with platelet-rich plasma and stromal vascular fraction. The most common radiologic changes were fat necrosis (9.4%) and calcification (1.2%). After 1 year of follow-up, patient satisfaction was, on average, 92% (range, 83.2% to 97.5%). The included studies were of good quality and consisted of a moderate risk of bias. Conclusions: AFG was associated with an overall complication rate of 27.8%. Additional supplementation of fat with platelet-rich plasma and stromal vascular fraction may improve graft survival. Despite poor volume retention being a persistent drawback, patient satisfaction remains high.
Purpose High tibial osteotomy (HTO) and unicompartmental knee arthroplasty (UKA) are commonly performed procedures for the treatment of compartmental knee osteoarthritis. However, the optimal procedure remains controversial. Therefore, we conducted this systematic review and meta-analysis to compare the functional outcomes, complications, and revision between the two techniques.Methods We searched electronic databases for relevant studies comparing HTO versus UKA for unicompartmental knee osteoarthritis. Continuous data as visual analogue scale (VAS), range of motion, and free walking speed were pooled as mean differences (MDs). Dichotomous data as functional knee outcomes, complications, and revision were pooled as odds ratios (ORs), with 95% confidence interval (CI), using R software for windows.Results Twenty-five studies involving 8185 patients were included. Meta-analysis showed that HTO was associated with higher risk of complications (OR= 2.47, 95% CI [1.52, 4.04]), poor functional results (excellent/good) (OR= 0.32, 95% CI [0.21, 0.49]), and larger range of motion (MD= 7.05, 95% CI [2.41, 11.68]) compared to UKA. No significant differences were found between the compared groups in terms of VAS (MD= 0.14, 95% CI [-0.08, 0.36]), revision (OR= 1.30, 95% CI [0.65, 2.60]), and free walking speed (MD= -0.05, 95% CI [-0.11, 0.00]).Conclusion This study showed that UKA achieved fewer complications, better functional outcomes, and less range of motion compared to HTO. No significant differences were detected between HTO and UKA in terms of VAS and revision rate.
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