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124803

Short-Term Results of Patient Specific Instruments (PSI) – Total Knee Replacement (TKR)

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Last updated: 03 Jan 2025

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Abstract

Background: TKR is an effective treatment for severely arthritic knees. PSI TKR is a recent technique, which relies on preoperative formulation of specific instruments for every patient preoperatively, aiming at decreasing surgical time and instruments and increasing accuracy and functional outcome. Objective: Assessment of functional and radiological outcome of PSI TKR after a period of 3 years duration. Patients and Methods: 40 TKRs in 24 patients were done using CT-based PSI technique. Pre-and postoperative knee society score (KSS) were measured and digital long-leg X-rays were obtained for all patients. Hip-knee-ankle, proximal tibia land lateral distal femoral angles together with mechanical axis deviation were measured for all patients to assess the mechanical axis alignment after TKR. Results: HKA (hip knee ankle) has decreased from 4.70 varus preoperatively to 1.27 varus. The mean knee society score had markedly increased from 31.2 preoperatively to 85.3 with fair to excellent KSS was 95% after 3 years duration. Conclusion: PSI TKR is an effective technique in knee replacement as conventional method. With the advantages of reduction of the operative steps and concurrent potential complications.

DOI

10.21608/ejhm.2020.124803

Keywords

PSI, TKR

Authors

First Name

Mohamed Mosa Mohamed

Last Name

Mahmoud

MiddleName

-

Affiliation

Department of Orthopaedic and Trauma Surgery, Faculty of Medicine, Al Azhar University, Assiut Branch

Email

drmohamedmosa@yahoo.com

City

-

Orcid

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First Name

Amr Abdelhalem

Last Name

Amr

MiddleName

-

Affiliation

Department of Orthopaedic and Trauma Surgery, Faculty of Medicine, Al Azhar University, Assiut Branch

Email

-

City

-

Orcid

-

First Name

MA

Last Name

Hafez

MiddleName

-

Affiliation

Department of Orthopaedic and Trauma Surgery, Faculty of Medicine, 6 October University

Email

-

City

-

Orcid

-

Volume

81

Article Issue

5

Related Issue

18366

Issue Date

2020-10-01

Receive Date

2020-11-22

Publish Date

2020-10-01

Page Start

2,036

Page End

2,045

Print ISSN

1687-2002

Online ISSN

2090-7125

Article File

EJHM_Volume 81_Issue 5_Pages 2036-2045.pdf

PDF . 614.5kB

Link

https://ejhm.journals.ekb.eg/article_124803.html

Detail API

https://ejhm.journals.ekb.eg/service?article_code=124803

Order

19

Type

Original Article

Type Code

606

Publication Type

Journal

Publication Title

The Egyptian Journal of Hospital Medicine

Publication Link

https://ejhm.journals.ekb.eg/

MainTitle

Short-Term Results of Patient Specific Instruments (PSI) – Total Knee Replacement (TKR)

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Article

Created At

22 Jan 2023