Advances in Total Hip and Knee Arthroplasty

A special issue of Surgeries (ISSN 2673-4095).

Deadline for manuscript submissions: 1 February 2027 | Viewed by 4059

Special Issue Editors


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Guest Editor
Department of Orthopaedic Surgery, Helios ENDO-Klinik Hamburg, Hamburg, Germany
Interests: arthroplasty; revision arthroplasty; periprosthetic joint infection
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Third Department of Orthopaedic Surgery, “KAT”-Hospital and Medical School, National and Kapodistrian University of Athens, Athens, Greece
Interests: orthopedic diseases; pathophysiology of osteoarthritis; biomarkers and pathological background of non-union fractures; mechanisms of fractures’ union and bone regeneration; bone metabolism basis; pathophysiology and molecular basis of spinal deformities; orthopedic infections
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Total hip and knee arthroplasty is a cornerstone of orthopaedic surgery, with advancements in surgical techniques, implant materials, and patient care leading to improved outcomes and quality of life for patients. This Special Issue aims to explore the latest advancements in total hip and knee arthroplasty, including minimally invasive approaches, robotic-assisted surgery, and the use of patient-specific implants. The role of preoperative planning, the integration of total hip and knee arthroplasty with other orthopaedic procedures, and the challenges and opportunities in postoperative care, including pain management and rehabilitation, are also of interest.

We invite submissions that focus on the following topics:

  • Minimally invasive total hip and knee arthroplasty techniques and their impact on patient outcomes;
  • Robotic-assisted total hip and knee arthroplasty and its advantages over traditional methods;
  • Advances in implant materials and coatings for improved durability and biocompatibility;
  • Preoperative planning and patient-specific implants in total hip and knee arthroplasty;
  • Integration of total hip and knee arthroplasty with other orthopaedic procedures;
  • Postoperative care, including pain management, rehabilitation, and the use of assistive devices to facilitate recovery.

This Special Issue aims to provide insights into the mentioned aspects of total hip and knee arthroplasty, with an emphasis on new developments in surgical techniques and patient care leading to increased survival with improved quality of life.

Prof. Dr. Mustafa Citak
Dr. Angelos Kaspiris
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Surgeries is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • total hip arthroplasty
  • total knee arthroplasty
  • orthopaedic surgery

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Published Papers (5 papers)

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Research

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14 pages, 261 KB  
Article
Examining the Relationships and Differences of Satisfaction, Kinesiophobia, and Pain Between Rehabilitation Phases in Patients After Total Knee Replacement
by Anna Christakou, Danai Georgitsi, Manolis Papadopoulos, Nikolaos Zacharakis and Panayiotis Papagelopoulos
Surgeries 2026, 7(2), 57; https://doi.org/10.3390/surgeries7020057 - 5 May 2026
Viewed by 397
Abstract
Background/objectives: Total knee arthroplasty is one of the most commonly performed orthopedic procedures of the lower extremities, primarily for patients with osteoarthritis or rheumatoid arthritis. Despite its widespread use, evidence remains limited regarding the association between patient satisfaction, kinesiophobia, and pain during the [...] Read more.
Background/objectives: Total knee arthroplasty is one of the most commonly performed orthopedic procedures of the lower extremities, primarily for patients with osteoarthritis or rheumatoid arthritis. Despite its widespread use, evidence remains limited regarding the association between patient satisfaction, kinesiophobia, and pain during the early postoperative period. The purpose of the present study was to examine the relationships and differences among satisfaction, kinesiophobia, and pain in hospitalized patients following total knee arthroplasty, as well as to compare these variables across four postoperative time points. Methods: A total of 41 patients, aged 65–85 years, participated in this study. Patient satisfaction was assessed using a structured satisfaction questionnaire, kinesiophobia was assessed using the Greek version of Tampa Scale of Kinesiophobia, and pain was assessed using the Visual Analogue Scale. Measurements were obtained on the first postoperative day, on the day of hospital discharge, fifteen days after discharge, and four weeks after discharge. Normality was assessed using the Shapiro–Wilk test, indicating non-normally distributed data. The relationship between the variables were examined using Spearman’s correlation coefficient. Comparisons between the four postoperative time points were conducted using the Friedman test with Kendall’s W for effect size estimation, followed by Wilcoxon post hoc analyses with Bonferroni corrections. Results: The results showed that a significant negative correlation between satisfaction and kinesiophobia was observed at the fourth phase (r = −0.41, p = 0.04). Satisfaction was also negatively correlated with pain from the third to the fourth phase (r = −0.41, p = 0.008), whereas kinesiophobia demonstrated a significant positive correlation with pain from the second to the fourth phase (r = 0.47–0.56, p = 0.002). Friedman test comparisons revealed a significant increase in satisfaction over time (χ2 (3) = 13.88, p = 0.003), a significant progressive decrease in kinesiophobia with a moderate effect size (χ2 (3) = 76.40, p < 0.001; Kendall’s W = 0.62), and a significant progressive reduction in pain with a large effect size (χ2 (3) = 89.60, p < 0.001; Kendall’s W = 0.73). Conclusions: These findings indicate that satisfaction, kinesiophobia, and pain are significantly interrelated during the early postoperative period following total knee arthroplasty. Further studies with larger samples and longer follow-up periods are required to confirm these associations and support the development of targeted rehabilitation strategies. Full article
(This article belongs to the Special Issue Advances in Total Hip and Knee Arthroplasty)
10 pages, 1102 KB  
Article
Revision Hip Arthroscopy Patients Face Higher Risk of THA at Long-Term Follow-Up vs. Primary: A Matched Cohort Analysis
by Emily Berzolla, Bradley Lezak, Claire Thompson, Vishal Sundaram, Ariana Lott and Thomas Youm
Surgeries 2026, 7(1), 22; https://doi.org/10.3390/surgeries7010022 - 10 Feb 2026
Viewed by 658
Abstract
Background/Objectives: While hip arthroscopy outcomes for femoroacetabular impingement syndrome (FAIS) are well-documented, there is limited research comparing revision hip arthroscopy for FAIS to primary procedures. This study aimed to compare clinical outcome scores, revision hip arthroscopy, and conversion to total hip arthroplasty [...] Read more.
Background/Objectives: While hip arthroscopy outcomes for femoroacetabular impingement syndrome (FAIS) are well-documented, there is limited research comparing revision hip arthroscopy for FAIS to primary procedures. This study aimed to compare clinical outcome scores, revision hip arthroscopy, and conversion to total hip arthroplasty (THA) between patients undergoing revision hip arthroscopy for residual FAIS and those undergoing primary hip arthroscopy. Methods: This retrospective study matched 47 patients who underwent revision hip arthroscopy 1:2 by age, sex, body mass index, and smoking status to 94 patients who underwent primary surgery. Patient-reported outcomes (PROs) were assessed using the modified Harris Hip Score (mHHS) and Non-Arthritic Hip Score (NAHS) preoperatively and at 1-year follow-up. Long-term follow-up was performed to determine repeat surgical interventions at a minimum 5-year follow-up. Differences in postoperative outcomes were assessed using Mann–Whitney U tests and rate of subsequent surgery were compared using chi-squared analyses. Results: Both cohorts showed significant improvement in PROs at 1 year (p < 0.001). However, the revision cohort had lower preoperative scores (mHHS, p < 0.001; NAHS, p = 0.003) and lower postoperative scores (mHHS, p = 0.037; NAHS, p = 0.032) compared to the primary cohort. Despite these differences, the magnitude of improvement was similar between groups for the mHHS and NAHS (p > 0.05). Long-term follow-up revealed a significantly higher conversion rate to THA in the revision cohort compared to the primary group (p < 0.001). Conclusions: Patients undergoing revision hip arthroscopy start with lower baseline function but achieve similar improvements to those undergoing primary surgery. However, revision patients had a significantly higher rate of conversion to THA. Full article
(This article belongs to the Special Issue Advances in Total Hip and Knee Arthroplasty)
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10 pages, 546 KB  
Article
Long Term Results of Clinical Outcome and Patients’ Satisfaction After Modular Stem-Neck Hip Arthroplasty
by Panagiotis Karampinas, Periklis Pelantis, Evangelos Sakellariou, Ioannis Spyrou, Angelos Kontos, Elias S. Vasiliadis, John Vlamis and Spiros G. Pneumaticos
Surgeries 2026, 7(1), 15; https://doi.org/10.3390/surgeries7010015 - 22 Jan 2026
Viewed by 718
Abstract
Background: The primary concern of hip surgeons is restoring the physiological biomechanics of the hip joint through arthroplasty, thereby enabling patients with osteoarthritis to engage better in daily activities. The modularity of the femoral stem-neck head allows surgeons to better restore the hip’s [...] Read more.
Background: The primary concern of hip surgeons is restoring the physiological biomechanics of the hip joint through arthroplasty, thereby enabling patients with osteoarthritis to engage better in daily activities. The modularity of the femoral stem-neck head allows surgeons to better restore the hip’s native biomechanics. However, concerns have been raised regarding the potential postoperative complications. This study aims to evaluate patients’ satisfaction and functional outcomes following primary Total Hip Arthroplasty (THA) with modular stem-neck, with a mean follow-up duration of eight years. Methods: We retrospectively reviewed 208 patients who underwent primary THA with modular stem-neck between February 2012 and July 2019. The follow-up period extended from November 2024 to April 2025. Patients who died from unrelated causes were excluded. Patients’ satisfaction was assessed using the SF-36 questionnaire, while functional outcomes were evaluated using the Harris Hip Score (HHS). Intraoperative and postoperative complications were meticulously documented. Results: The average follow-up duration was 95.6 months, with a range from 67.7 to 159.7 months. The mean SF-36 score was 91.2 out of 100, indicating high patient satisfaction. The mean HHS was 90 out of 100, reflecting excellent functional outcomes. Notably, some patients achieved the maximum score of 100 in both SF-36 and HHS assessments, while the lowest recorded scores were 54 and 50, respectively. The mean age of patients at the time of surgery was 67.1 years. One case of periprosthetic fracture was reported; however, no complications related to modular necks, such as trunnionosis or implant failure, were observed. Conclusions: The present study demonstrates that modular neck primary THA could achieve excellent functional and radiological outcomes, high patient satisfaction, and outstanding long-term survivorship, provided that implant selection and surgical technique follow biomechanical principles. Full article
(This article belongs to the Special Issue Advances in Total Hip and Knee Arthroplasty)
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13 pages, 1634 KB  
Article
Immediate Postoperative Biofeedback with an Insole Device in Unilateral TKA
by Daniel Pfeufer, Mike B. Anderson, Jeremy Gililland, Robert Hube, Christoph Linhart, Julius Brendler and Christopher E. Pelt
Surgeries 2026, 7(1), 2; https://doi.org/10.3390/surgeries7010002 - 23 Dec 2025
Viewed by 627
Abstract
Background: After unilateral total knee arthroplasty (TKA), patients place more weight on the nonsurgical limb than the surgical limb. The objective of this study was to determine the possibility of providing live biofeedback during early recovery of patients undergoing unilateral TKA and to [...] Read more.
Background: After unilateral total knee arthroplasty (TKA), patients place more weight on the nonsurgical limb than the surgical limb. The objective of this study was to determine the possibility of providing live biofeedback during early recovery of patients undergoing unilateral TKA and to determine the necessary sample size for future trials. Methods: Twenty patients with unilateral TKA were randomized into two groups: a feedback group and a control group. Inclusion criteria included no contralateral knee pain and aid-free walking before surgery. There were 8 patients in the feedback group and 10 in the control group. Compliance with the recommended training was 91%. The feedback group trained with an insole device for 15 min a day for 4 weeks, along with normal physiotherapy. The control group received normal physiotherapy only. Gait parameters were recorded on level ground at two and six weeks. The primary outcome was the percent loading rate. The secondary outcomes included gait speed, cadence, percent peak force, and pain. Results: Patients within the feedback group showed a small, non-significant trend toward a higher precent load rate at 6 weeks compared to the control group in level walking (p = 0.92). Conclusions: Our findings indicate that live biofeedback on a gait parameter, like percent load rate, can be provided by the mentioned system and may support immediate changes in gait parameters. The compliance of 91% with training and no reported adverse events indicates that the system was easy to use. Following TKA, there may be a potential exploratory use of mobile, real-time biofeedback to help address gait abnormalities and accelerate rehabilitation. This clinical trial was registered at clinicaltrials.gov (Identifier: NCT03673293) on 14 September 2018. This study was conducted in accordance with the Declaration of Helsinki and approved by the institutional review board of the University of Utah (IRB_00110935) on 10 September 2018. Full article
(This article belongs to the Special Issue Advances in Total Hip and Knee Arthroplasty)
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8 pages, 2757 KB  
Case Report
Treatments of Polyethylene Tibial Post Fracture in Posterior Stabilized Knee Prosthesis with Unstable Total Knee Arthroplasty: A Case Series
by Jaehoon Kim, In-Soo Song and Jae-Beom Bae
Surgeries 2026, 7(1), 12; https://doi.org/10.3390/surgeries7010012 - 18 Jan 2026
Viewed by 654
Abstract
Background and Clinical Significance: With increasing demand for total knee arthroplasty (TKA), the incidence of post-operative instability has also risen. Although fracture of the polyethylene tibial post in posterior-stabilized (PS) prostheses is relatively uncommon, it should not be overlooked because delayed recognition may [...] Read more.
Background and Clinical Significance: With increasing demand for total knee arthroplasty (TKA), the incidence of post-operative instability has also risen. Although fracture of the polyethylene tibial post in posterior-stabilized (PS) prostheses is relatively uncommon, it should not be overlooked because delayed recognition may lead to severe late sequelae. Case Presentation: Between April 2008 and January 2020, 132 revision TKAs were performed at our institution due to suspected instability with or without component loosening. Among these, three patients were identified as having instability associated with fracture of the polyethylene tibial post in PS implants. All three patients presented late, with a mean interval of 49.66 months (range 34–74) after the index TKA. At presentation, all demonstrated multiplanar global instability, and two showed recurvatum deformity. Pre-operatively, revision surgery was indicated due to progressive global instability. Although tibial post fracture was suspected as a possible underlying cause, the diagnosis could not be definitively established until intraoperative inspection, which confirmed polyethylene tibial post fracture in all cases. Each patient underwent revision TKA using a semi-constrained prosthesis with an increased polyethylene insert height. At final follow-up (12–18 months), all patients achieved complete resolution of clinical instability and demonstrated meaningful improvement in the Hospital for Special Surgery (HSS) and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scores. Conclusions: Although rare, polyethylene tibial post fracture should be considered in the differential diagnosis of post-operative knee instability following PS TKA. Early recognition may allow management with isolated polyethylene exchange, whereas delayed diagnosis can result in progressive ligamentous insufficiency and global multiplanar instability, ultimately necessitating revision using a semi-constrained implant. Full article
(This article belongs to the Special Issue Advances in Total Hip and Knee Arthroplasty)
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