Total Hip Arthroplasty: New Perspectives on Primary and Revision Implants

A special issue of Medicina (ISSN 1648-9144). This special issue belongs to the section "Orthopedics".

Deadline for manuscript submissions: 1 October 2026 | Viewed by 804

Special Issue Editors


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Guest Editor
IRCCS Rizzoli Orthopaedic Institute, Bologna, Italy
Interests: bone; anterior cruciate ligament; articular cartilage; knee surgery; cartilage; arthroplasty; hip and knee arthroplasty; hip; hip arthroplasty
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SC Ortopedia e Traumatologia e Chirurgia Protesica e dei Reimpianti di Anca e Ginocchio, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
Interests: hip arthroplasty; surgery; hip and knee arthroplasty; trauma surgery

Special Issue Information

Dear Colleagues,

Total hip arthroplasty remains one of the most successful procedures in orthopedic surgery, providing durable pain relief and functional restoration for patients with degenerative and traumatic hip disorders. Advances in implant design, biomaterials, and fixation strategies have continually refined primary procedures, while evolving surgical approaches are designed to optimize soft tissue preservation, implant positioning, and early functional recovery. Understanding the interplay between implant selection and surgical access is critical in maximizing stability and biomechanics and improving long-term outcomes.

This Special Issue, entitled “Total Hip Arthroplasty: New Perspectives on Primary and Revision Implants”, will provide a comprehensive and contemporary overview of evolving concepts in both primary and revision hip replacement. Particular attention will be given to innovations in primary implants, surgical strategies, and perioperative management, as well as to modern solutions for complex revision cases. Our goal is to highlight current challenges, emerging approaches, and potential directions in hip replacement surgery.

Revision surgery remains particularly demanding, especially in cases involving bone loss, instability, or implant failure. Modular implant systems continue to offer intraoperative flexibility, supporting the restoration of hip biomechanics and functional reconstruction. Similarly, thoughtful implant selection and surgical planning are essential, to optimize outcomes in primary procedures.

We invite the submission of high-quality original articles and comprehensive reviews that offer authoritative insights into current challenges and future directions in hip reconstruction surgery, ultimately supporting evidence-based decision-making and advancing standards of care.

Dr. Francesco Castagnini
Guest Editor

Dr. Stefano Lucchini
Guest Editor Assistant

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Keywords

  • total hip arthroplasty
  • primary hip implants
  • revision hip surgery
  • hip reconstruction surgical approaches
  • hip revision components
  • complex hip reconstruction

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Published Papers (1 paper)

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Research

11 pages, 810 KB  
Article
Early Outcomes of a Novel Collared Triple-Tapered Femoral System in Primary Total Hip Arthroplasty
by Laith Bahlouli, Olivia Schaffer, Jacob Stoebner, Anna Cohen-Rosenblum, Vinay K. Aggarwal and Ran Schwarzkopf
Medicina 2026, 62(5), 934; https://doi.org/10.3390/medicina62050934 - 11 May 2026
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Abstract
Background and Objectives: Collared, triple-tapered femoral stems have gained increasing popularity in primary total hip arthroplasty (THA) due to their stable metaphyseal fixation and ability to restore native hip biomechanics. This study evaluated the short-term clinical and functional outcomes of a novel [...] Read more.
Background and Objectives: Collared, triple-tapered femoral stems have gained increasing popularity in primary total hip arthroplasty (THA) due to their stable metaphyseal fixation and ability to restore native hip biomechanics. This study evaluated the short-term clinical and functional outcomes of a novel collared triple-tapered femoral stem design in primary THA. Materials and Methods: This was a retrospective review of all patients who underwent primary, elective THA using a collared, triple-tapered femoral system at a single, urban, high-volume, academic hospital between September 2024 and February 2025. All procedures were performed by fellowship-trained arthroplasty surgeons. A total of 101 patients (102 hips) with a median follow-up of 1.1 years (range, 1.0 to 1.4 years) were included. Results: Most procedures were performed for primary osteoarthritis (96%). Mean operative time, from skin incision to skin closure, was 93 min, and most femoral stems implanted had a high offset (89%). Most patients were discharged home (96%), with a mean length of stay of 27 h. Within 90 days, three patients were readmitted for surgery-related reasons: one for superficial wound dehiscence, and two for periprosthetic joint infection (PJI). One PJI was treated with irrigation and debridement, antibiotics, and implant retention (DAIR) two months after primary THA. The other required a DAIR three weeks after primary THA, followed by a single-stage revision one week later. No dislocations, periprosthetic fractures, mechanical failures, or aseptic revisions of the femoral stem occurred. All stems were well-fixed at the latest follow-up, with no aseptic loosening observed. Mean Hip disability and Osteoarthritis Outcome Score, Joint Replacement (HOOS, JR) improvement was 15.0 points at six weeks, 25.2 points at three months, and 45.3 points at one year. Conclusions: Our results support encouraging early outcomes with no femoral aseptic complications observed using this novel collared, triple-tapered femoral system. A longer follow-up period is needed to assess mid- and long-term durability. Full article
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