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创伤后和原发性膝关节骨关节炎的 TKR:一项比较研究。

TKR after posttraumatic and primary knee osteoarthritis: a comparative study.

机构信息

Department of Orthopedics, Phramongkutklao Hospital and College of Medicine, 315 Ratchvidhi Road, Ratchathewee, Bangkok, 10400, Thailand.

Department of Orthopedics and Trauma Surgery, University Campus Bio-Medico of Rome, Rome, Italy.

出版信息

J Orthop Surg Res. 2021 Mar 4;16(1):173. doi: 10.1186/s13018-021-02322-8.

DOI:10.1186/s13018-021-02322-8
PMID:33663576
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7931585/
Abstract

BACKGROUND

A few literatures reported that the outcomes of total knee replacement (TKR) in posttraumatic osteoarthritis (PTOA) were lower compared to TKR in primary osteoarthritis (primary OA). The study's purpose was to compare the comorbidity and outcome of TKR among fracture PTOA, ligamentous PTOA, and primary OA. The secondary aim was to identify the effect of postoperatively lower limb mechanical axis on an 8-year survivorship after TKR between PTOA and primary OA.

METHODS

Seven hundred sixteen patients with primary OA, 32 patients with PTOA (knee fracture subgroup), and 104 PTOA (knee ligamentous injury subgroup) were recruited. Demography, comorbidities, Charlson Comorbidity Index (CCI), operative parameters, mechanical axis, functional outcome assessed by WOMAC, and complications were compared among the three groups.

RESULTS

PTOA group was significantly younger (p<0.0001) with a higher proportion of men (p=0.001) while the primary OA group had higher comorbidities than the PTOA group, including anticoagulant usage (p=0.0002), ASA class ≥3 (p<0.0001), number of diseases ≥ 4 (p<0.0001), and CCI (p<0.0001). Both the fracture PTOA group (p<0.0001) and ligamentous PTOA group (p = 0.009) had a significantly longer operative time than the primary OA group. The fracture PTOA group had significantly lower pain components and stiffness components than the primary OA group. There was no significant difference in the rate of an aligned group, outlier group, and an 8-year survivorship in both groups.

CONCLUSION

The outcome following TKR in the fracture PTOA was poorer compared to primary knee OA in the midterm follow-up. However, no difference was detected between the ligamentous PTOA and primary knee OA. The mechanical axis alignment within the neutral axis did not affect the 8-year survivorship after TKR in both groups.

LEVEL OF EVIDENCE

Level III; retrospective cohort study.

摘要

背景

有一些文献报道,创伤后骨关节炎(PTOA)患者行全膝关节置换术(TKR)的结果比原发性骨关节炎(OA)患者差。本研究的目的是比较骨折后 PTOA、韧带损伤后 PTOA 和原发性 OA 患者 TKR 的合并症和结果。次要目的是确定术后下肢机械轴对线对线在 PTOA 和原发性 OA 患者 TKR 后 8 年生存率中的影响。

方法

招募了 716 例原发性 OA 患者、32 例 PTOA(膝关节骨折亚组)和 104 例 PTOA(膝关节韧带损伤亚组)。比较三组患者的人口统计学资料、合并症、Charlson 合并症指数(CCI)、手术参数、机械轴、WOMAC 评估的功能结果和并发症。

结果

PTOA 组明显更年轻(p<0.0001),男性比例更高(p=0.001),而原发性 OA 组的合并症比 PTOA 组更多,包括抗凝药物使用(p=0.0002)、ASA 分级≥3(p<0.0001)、≥4 种疾病(p<0.0001)和 CCI(p<0.0001)。骨折 PTOA 组(p<0.0001)和韧带损伤 PTOA 组(p=0.009)的手术时间明显长于原发性 OA 组。骨折 PTOA 组的疼痛和僵硬评分明显低于原发性 OA 组。两组在对齐组、异常组的比例和 8 年生存率方面均无显著差异。

结论

在中期随访中,骨折后 PTOA 患者行 TKR 的结果较原发性膝 OA 差。然而,在韧带损伤 PTOA 与原发性膝 OA 之间未发现差异。在两组患者中,机械轴位于中立轴内对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线对线线对线对线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线兵线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线线切割雕刻加工数控机床加工加工加工线切割机床的工作原理及工作原理一、线切割加工线切割机床的工作原理线切割机床的工作原理是利用电能通过放电火花放电蚀除金属工件表面的金属层,从而达到加工金属的目的。线切割机床主要由机床本体、脉冲电源、控制系统、工作液循环系统、机床电气控制系统等部分组成。

线切割技术是一种金属切削加工技术,它是利用电能通过放电火花放电蚀除金属工件表面的金属层,从而达到加工金属的目的。线切割机床主要由机床本体、脉冲电源、控制系统、工作液循环系统、机床电气控制系统等部分组成。

线切割机床的工作原理是利用电能通过放电火花放电蚀除金属工件表面的金属层,从而达到加工金属的目的。线切割机床主要由机床本体、脉冲电源、控制系统、工作液循环系统、机床电气控制系统等部分组成。

线切割的加工过程是利用钼丝与工件之间脉冲放电时产生的高温蚀除金属工件表面的金属层,形成火花放电通道。当钼丝与工件之间的间隙被工作液填充后,形成火花放电通道。当工具电极和工件之间的电压升高到间隙的击穿电压时,间隙被击穿,形成火花放电,产生高温,使工件表面的金属瞬间气化蒸发,形成一小片高温区。在高温区的作用下,金属材料被蚀除。

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Complication Rates in Total Knee Arthroplasty Performed for Osteoarthritis and Post-Traumatic Arthritis: A Comparison Study.全膝关节置换术治疗骨关节炎和创伤后关节炎的并发症发生率:一项对比研究。
J Arthroplasty. 2020 Feb;35(2):371-374. doi: 10.1016/j.arth.2019.09.022. Epub 2019 Sep 18.
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TKA for Posttraumatic Osteoarthritis Is More Complex and Needs More Surgical Resources.创伤后骨关节炎的全膝关节置换术更为复杂,需要更多的手术资源。
Orthopedics. 2016 May;39(3 Suppl):S36-40. doi: 10.3928/01477447-20160509-11.
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Outcomes after Total Knee Arthroplasty for post-traumatic arthritis.创伤后关节炎全膝关节置换术后的结果
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Total Knee Arthroplasty for Osteoarthritis Secondary to Fracture of the Tibial Plateau. A Prospective Matched Cohort Study.胫骨平台骨折继发骨关节炎的全膝关节置换术。一项前瞻性配对队列研究。
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Lower function, quality of life, and survival rate after total knee arthroplasty for posttraumatic arthritis than for primary arthritis.创伤后关节炎全膝关节置换术后的功能、生活质量和生存率低于原发性关节炎全膝关节置换术后。
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Risk of total knee arthroplasty after operatively treated tibial plateau fracture: a matched-population-based cohort study.手术治疗胫骨平台骨折后全膝关节置换术的风险:一项基于匹配人群的队列研究。
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[Total knee arthroplasty in post-traumatic osteoarthritis].[创伤后骨关节炎的全膝关节置换术]
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