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25 Results Found

  • Feature Paper
  • Article
  • Open Access
4 Citations
3,604 Views
11 Pages

Comparative Analysis of Outcomes in Adult Spinal Deformity Patients with Proximal Junctional Kyphosis or Failure Initially Fused to Upper Versus Lower Thoracic Spine

  • Oluwatobi O. Onafowokan,
  • Renaud Lafage,
  • Peter Tretiakov,
  • Justin S. Smith,
  • Breton G. Line,
  • Bassel G. Diebo,
  • Alan H. Daniels,
  • Jeffrey L. Gum,
  • Themistocles S. Protopsaltis and
  • Peter G. Passias
  • + 25 authors

18 December 2024

Background: Patients with proximal junctional kyphosis (PJK) or failure (PJF) may demonstrate disparate outcomes and recovery when fused to the upper (UT) versus lower (LT) thoracic spine. Few studies have distinguished the reoperation and recovery a...

  • Review
  • Open Access
3 Citations
3,158 Views
18 Pages

Instrumentation Failure in Adult Spinal Deformity Patients

  • David P. Falk,
  • Ravi Agrawal,
  • Bijan Dehghani,
  • Rohit Bhan,
  • Sachin Gupta and
  • Munish C. Gupta

24 July 2024

In recent years, advances in the surgical treatment of adult spinal deformity (ASD) have led to improved outcomes. Although these advances have helped drive the development of deformity surgery to meet the rising volume of patients seeking surgical t...

  • Article
  • Open Access
5 Citations
2,910 Views
14 Pages

The management strategies of thoracolumbar (TL) burst fractures include posterior, anterior, and combined approaches. However, the rigid constructs pose a risk of proximal junctional failure. In this study, we aim to systemically evaluate the biomech...

  • Article
  • Open Access
2 Citations
3,637 Views
24 Pages

Can We Rely on Prophylactic Two-Level Vertebral Cement Augmentation in Long-Segment Adult Spinal Deformity Surgery to Reduce the Incidence of Proximal Junctional Complications?

  • Yoichi Tani,
  • Nobuhiro Naka,
  • Naoto Ono,
  • Koki Kawashima,
  • Masaaki Paku,
  • Masayuki Ishihara,
  • Takashi Adachi,
  • Muneharu Ando,
  • Shinichirou Taniguchi and
  • Takanori Saito

Background and Objectives: Proximal junctional kyphosis (PJK) and failure (PJF), the most prevalent complications following long-segment thoracolumbar fusions for adult spinal deformity (ASD), remain lacking in defined preventive measures. We studied...

  • Article
  • Open Access
771 Views
10 Pages

How Much Variance Exists Among Published Definitions of Proximal Junctional Kyphosis? A Retrospective Cohort Study of Adult Spinal Deformity

  • Tim T. Bui,
  • Karan Joseph,
  • Alexander T. Yahanda,
  • Samuel Vogl,
  • Miguel Ruiz-Cardozo and
  • Camilo A. Molina

4 August 2025

Background/Objectives: We sought to characterize the variance and overlap among definitions of Proximal Junctional Kyphosis (PJK) used in the adult spinal deformity (ASD) literature. PJK is defined as excess in PJK angle, a Cobb angle between the upp...

  • Article
  • Open Access
995 Views
12 Pages

30 June 2025

Background and Objectives: Proximal junctional kyphosis (PJK) remains a significant complication in adult spinal deformity (ASD) surgery, often resulting in severe clinical consequences. This study evaluates the effectiveness of the thoracolumbar jun...

  • Article
  • Open Access
9 Citations
3,939 Views
15 Pages

Fracture Resistance Evaluation and Failure Modes Rating Agreement for Two Endocrown Designs: An In Vitro Study

  • Saeed J. Alzahrani,
  • Maher S. Hajjaj,
  • Hanin E. Yeslam and
  • Thamer Y. Marghalani

26 February 2023

This in vitro study aimed to evaluate the fracture resistance and mode of failure of endocrowns with proximal extension design compared to the conventional design, and to assess the agreement of evaluators on the failure mode. Twenty mandibular third...

  • Article
  • Open Access
2,566 Views
9 Pages

24 July 2024

Perineural anesthesia of the tibial nerve can be performed ultrasound-guided or blindly, with the latter still being commonly used in equine practice due to practical constraints, despite its lower accuracy and hence, common failure to achieve desens...

  • Review
  • Open Access
1 Citations
2,018 Views
17 Pages

22 May 2025

For the past two decades, the consideration of spinopelvic parameters, sagittal balance, and spine shape has gained importance in the diagnosis and optimal surgical management of painful adult spinal deformity. These principles are used with increasi...

  • Review
  • Open Access
17 Citations
5,033 Views
17 Pages

13 December 2022

Surgical correction of paediatric spinal deformity is associated with risks, adverse events, and complications that must be preoperatively discussed with patients and their families to inform treatment decisions, expectations, and long-term outcomes....

  • Article
  • Open Access
2 Citations
1,807 Views
11 Pages

12 December 2023

(1) Background: Adult spinal deformity (ASD) surgery is known to improve clinical and radiological parameters; however, it may also cause more complications in elderly patients. The purpose of this study was to compare the outcomes of ASD surgery, sp...

  • Review
  • Open Access
1 Citations
2,097 Views
20 Pages

30 July 2025

The management of adult spinal deformity (ASD) has evolved dramatically over the past century, transitioning from external bracing and in situ fusion to complex, technology-driven surgical interventions. This review traces the historical development...

  • Article
  • Open Access
3 Citations
2,547 Views
14 Pages

Distal Junctional Failure: A Feared Complication of Multilevel Posterior Spinal Fusions

  • Soufiane Ghailane,
  • Houssam Bouloussa,
  • Manuel Fernandes Marques,
  • Jean-Etienne Castelain,
  • Vincent Challier,
  • Matthieu Campana,
  • Clément Jacquemin,
  • Jean-Marc Vital and
  • Olivier Gille

23 August 2024

Objectives: Distal junctional failure (DJF) is less commonly described than proximal junctional failure following posterior spinal fusion, and particularly adult spinal deformity (ASD) surgery. We describe a case series of patients with DJF, taking i...

  • Review
  • Open Access
9 Citations
4,706 Views
18 Pages

Surgical Management of Adult Spinal Deformity Patients with Osteoporosis

  • Makeen Baroudi,
  • Mohammad Daher,
  • Krish Maheshwari,
  • Manjot Singh,
  • Joseph E. Nassar,
  • Christopher L. McDonald,
  • Bassel G. Diebo and
  • Alan H. Daniels

26 November 2024

Adult spinal deformity (ASD) commonly affects older adults, with up to 68% prevalence in those over 60, and is often complicated by osteoporosis, which reduces bone mineral density (BMD) and increases surgical risks. Osteoporotic patients undergoing...

  • Article
  • Open Access
2,401 Views
13 Pages

20 February 2025

Objectives: The aim of this study was to compare the radiographic results, mechanical complications, and clinical outcomes between anterior and posterior lumbar interbody fusion at L5–S1 (ALIF51 and PLIF51 groups, respectively) using a matched...

  • Feature Paper
  • Review
  • Open Access
17 Citations
3,666 Views
20 Pages

Advances and Evolving Challenges in Spinal Deformity Surgery

  • Ruchit V. Patel,
  • Alexander G. Yearley,
  • Hannah Isaac,
  • Eric J. Chalif,
  • Joshua I. Chalif and
  • Hasan A. Zaidi

6 October 2023

Background: Surgical intervention is a critical tool to address adult spinal deformity (ASD). Given the evolution of spinal surgical techniques, we sought to characterize developments in ASD correction and barriers impacting clinical outcomes. Method...

  • Review
  • Open Access
8 Citations
5,986 Views
14 Pages

Bone Health Optimization in Adult Spinal Deformity Patients: A Narrative Review

  • Yousef A. Al-Najjar,
  • Danyal A. Quraishi,
  • Neerav Kumar and
  • Ibrahim Hussain

19 August 2024

Osteoporosis and low bone mineral density (BMD) pose significant challenges in adult spinal deformity surgery, increasing the risks of complications such as vertebral compression fractures, hardware failure, proximal junctional kyphosis/failure, and...

  • Article
  • Open Access
7 Citations
4,239 Views
13 Pages

30 March 2022

Background and Objectives: This study aimed to investigate the process and morphology of thoracic and lumbosacral bone fusion in patients with adult spinal deformity (ASD) who underwent circumferential minimally invasive spine surgery (CMIS) by later...

  • Review
  • Open Access
1 Citations
8,776 Views
20 Pages

Surgical Strategies and Challenges in Scheuermann’s Kyphosis: A Comprehensive Review

  • Angelos Kaspiris,
  • Ioannis Spyrou,
  • Fotios Panagopoulos,
  • Vasileios Marougklianis,
  • Periklis Pelantis,
  • Michail Vavourakis,
  • Evangelos Sakellariou,
  • Ioanna Lianou,
  • Dimitrios Ntourantonis and
  • Spiros G. Pneumaticos
  • + 2 authors

16 June 2025

Background: Scheuermann’s kyphosis (SK) is characterized by anterior wedging of >5 degrees at three or more contiguous vertebrae associated with severe back pain and cosmetic disfigurement. Different surgical interventions have been applied...

  • Review
  • Open Access
2 Citations
2,179 Views
20 Pages

Magnetic Resonance Imaging-Based Assessment of Bone Quality Using Vertebral Bone Quality (VBQ) Scores in Spine Surgery—A Critical Assessment and Narrative Review

  • Adeesya Gausper,
  • Wende N. Gibbs,
  • Benjamin D. Elder,
  • Justin K. Scheer,
  • Tiffany G. Perry,
  • Suhas K. Etigunta,
  • Andy M. Liu,
  • Alexander Tuchman and
  • Corey T. Walker

14 September 2025

Bone health is a key determinant of success in spine surgery, making preoperative assessment of bone quality essential to optimal surgical risk stratification. Magnetic resonance imaging (MRI)-based vertebral bone quality (VBQ) score offers a novel a...

  • Feature Paper
  • Article
  • Open Access
9 Citations
5,294 Views
8 Pages

26 April 2021

In orthopedic oncology, revisional surgery due to mechanical failure or local recurrence is not uncommon following limb salvage surgery using an endoprosthesis. However, due to the lack of clinical experience in limb salvage surgery using 3D-printed...

  • Article
  • Open Access
794 Views
12 Pages

Preoperative Low Lumbar Hounsfield Units and Global Alignment Predict Postoperative Mechanical Complications After Adult Spinal Deformity Surgery: A Multicenter Retrospective Study

  • Ippei Yamauchi,
  • Hiroaki Nakashima,
  • Sadayuki Ito,
  • Naoki Segi,
  • Jun Ouchida,
  • Yoshinori Morita,
  • Yukihito Ode,
  • Yasuhiro Nagatani,
  • Yuya Okada and
  • Shiro Imagama
  • + 13 authors

16 June 2025

Objectives: This study investigated the potential of Hounsfield unit (HU) values obtained from computed tomography (CT) scans as predictors of mechanical complications (MCs) in patients undergoing long-segment spinal fusion involving the pelvis. Addi...

  • Article
  • Open Access
1 Citations
1,521 Views
10 Pages

Treating Popliteal Fossa Perforating Vein Varicosis with Endovenous Laser Ablation: A Single-Center Observational Study

  • Lars Müller,
  • Isabel Schmitz-Rode,
  • Bachar el Jamal,
  • Syrus Karsai and
  • Eike Sebastian Debus

18 May 2025

Background: Treating varicosities originating from a popliteal fossa perforating vein (PFPV) is challenging due to their proximity to nerves and complex morphology. Data on endovenous laser ablation (EVLA) for PFPV varicosis are limited. Methods: Thi...

  • Systematic Review
  • Open Access
4 Citations
2,614 Views
19 Pages

11 April 2023

Background: Posterior cervical decompression and fusion (PCF) is a common procedure for treating patients with multilevel degenerative cervical spine disease. The selection of lower instrumented vertebra (LIV) relative to the cervicothoracic junction...

  • Article
  • Open Access
2 Citations
2,880 Views
23 Pages

14 February 2022

The Eastern part of the Miocene Zărand extensional basin witnessed the generation and evolution of the largest composite volcano in Apuseni Mts., named recently Bontău. The volcano is filling the basin at the junction between the South and...