Mid-term efficacy of standardized 3D printed porous trabecular titanium acetabular cup in total hip arthroplasty

Chen LIU; Ke ZHANG; Bin YANG

doi:10.16016/j.2097-0927.202203044

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Mid-term efficacy of standardized 3D printed porous trabecular titanium acetabular cup in total hip arthroplasty

Monographic Reports: Clinical application of 3D printing technology in bone and joint surgery | 更新时间：2026-01-09

- Mid-term efficacy of standardized 3D printed porous trabecular titanium acetabular cup in total hip arthroplasty
- Journal of Army Medical University Vol. 44, Issue 15, Pages: 1538-1541(2022)
- 作者机构：
  
  102206 北京，北京大学国际医院骨科
- 作者简介：
- 基金信息：
- DOI：10.16016/j.2097-0927.202203044
  CLC： R318.08;R319;R687.4
- Received：06 March 2022，
  
  Revised：2022-04-29，
  
  Published：15 August 2022
- 稿件说明：
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Chen LIU, Ke ZHANG, Bin YANG. Mid-term efficacy of standardized 3D printed porous trabecular titanium acetabular cup in total hip arthroplasty[J]. Journal of Army Medical University, 2022, 44(15): 1538-1541.
DOI：

Chen LIU, Ke ZHANG, Bin YANG. Mid-term efficacy of standardized 3D printed porous trabecular titanium acetabular cup in total hip arthroplasty[J]. Journal of Army Medical University, 2022, 44(15): 1538-1541. DOI： 10.16016/j.2097-0927.202203044.

摘要

目的

评价标准化3D打印多孔钛合金髋臼杯全髋关节置换术的中期临床疗效。

方法

回顾性分析2016年2月至2018年8月于北京大学国际医院骨科行标准化3D打印多孔钛合金髋臼杯全髋关节置换术患者临床病历资料23例(25髋)。疗效评价指标包括术后并发症发生情况和假体存活率，以及术后6个月和末次随访VAS疼痛评分、Harris评分、髋臼侧影像评价及臼杯存活率。随访39~69(51.7±10.7)个月。

结果

23例(25髋)上述髋关节置换术后无并发症发生，假体存活率100%。VAS评分术后6个月为(1.44±0.82)，末次随访时为(0.08±0.27)，较术前(7.48±0.96)均显著降低(

0.05)。Harris评分术后6个月为(86.88±3.52)，末次随访时为(95.04±1.86)，较术前(45.64±4.55)均显著提高(

0.05)。影像学评估透亮带是否出现两组术后VAS评分及Harris评分差异无统计学意义。

结论

标准化3D打印多孔钛合金髋臼杯全髋关节置换术的中期临床疗效良好，具有髋臼存活率高及降低假体无菌性松动的优势。

Abstract

Objective

To evaluate the mid-term clinical efficacy of total hip replacement using a standardized 3D printed porous trabecular titanium acetabular cup.

Methods

Clinical data of 23 consecutive patients undergoing total hip replacement with a standardized 3D printed porous trabecular titanium acetabular cup (25 arthroplasties) between February 2016 and August 2018 were collected and retrospectively analyzed in this study. All patients were followed up for 39~69 (51.7±10.7) months. Efficacy evaluation indicators included incidence of postoperative complications and survival rate of prosthesis

as well as visual analog scale (VAS) score

Harris score

acetabular side imaging evaluation and cup survival rate at 6 months after operation and last follow-up.

Results

No complications were observed in all 25 hip replacements

and the survival rate of cup was 100% during the whole follow-up. The VAS scores were decreased significantly at 6 months postoperatively (1.44±0.82) and last follow-up (0.08±0.27) when compared with the

scores preoperatively (7.48±0.96

0.05). The Harris scores were increased significantly at 6 months postoperatively (86.88±3.52) and last follow-up (95.04±1.86) than the pre-operative scores (45.64±4.55

0.05). There were no significant differences in postoperative VAS score and Harris score between the patients with and without periprosthetic radiolucent zone.

Conclusion

Standardized 3D printed porous trabecular titanium acetabular cup shows its favorable mid-term outcome in total hip arthroplasty

provides high acetabular survival rate

and has certain advantages in reducing aseptic loosening of the prosthesis.

关键词

Keywords

references

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