Publications by authors named "Pierre Metais"

Purpose: To analyze the rate of return to play, changes in athletic level, and recurrence rate and to report subjective outcomes in a series of rugby players with anterior shoulder instability who underwent an arthroscopic Latarjet procedure.

Methods: A multicenter retrospective study done in 2 centers on rugby players who were operated on between January 2011 and December 2020 was performed. Rugby players who underwent arthroscopic Latarjet procedure for anterior shoulder stabilization with a minimum follow-up period of 2 years were included.

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Purpose: To determine whether arthroscopic Latarjet procedure or arthroscopic bony Bankart repair provide better outcomes in terms of rates of recurrent instability, non-union and complications, as well as clinical scores and range of motion.

Methods: An electronic literature search was performed using PubMed, Embase®, and Cochrane databases, applying the following keywords: "Arthroscopic bony Bankart" OR "Arthroscopic osseous Bankart" AND "Arthroscopic Latarjet" OR "Arthroscopic coracoid bone block".

Results: The systematic search returned 1465 records, of which 29 were included (arthroscopic bony Bankart repair, n = 16; arthroscopic Latarjet, n = 13).

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Purpose: Patient-reported outcome measures (PROMS) are increasingly used for patient evaluation, as well as for scientific research. Few are used for practical purposes in the clinical setting, and few are reliable enough to allow proper feedback to physicians. Two of the most commonly used assessment tools in shoulder instability are the Walch-Duplay and the Rowe scores.

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Hypothesis/background: Arthroscopic rotator cuff repair most commonly results in good clinical outcomes, however understanding of predictive factors influencing the final clinical outcome is limited.

Aim: The purpose of our study was to evaluate clinical outcomes of patients with healed supraspinatus tendon after arthroscopic rotator cuff repair and to identify its pre- and peri-operative predictive factors of good clinical results.

Methods: A multi-center prospective study followed up 188 patients, who had a healed tendon after an arthroscopic repair of isolated supraspinatus tear.

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Failure of coracoid bone-block.

Orthop Traumatol Surg Res

February 2021

The rate of recurrence of anterior unidirectional instability is lower after coracoid bone-block than with other techniques, even if failures still occur with this difficult procedure. Failure may consist in recurrent instability (dislocation, subluxation, unstable painful shoulder) or despite absence of obvious clinical signs, in radiologic failure (non-union, fracture), biologic failure (osteolysis) or infection, all of which may require revision surgery or lead to late instability or subclinical chronic apprehension. Clinical, X-ray and CT assessment identifies the type of failure and may lead to a second surgery being discussed with the patient according to functional demand.

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Introduction: In case of failure of non-operative treatment of isolated supraspinatus tear, tendon surgery can improve shoulder function and alleviate pain. The present study hypothesis was that isolated supraspinatus repair shows good healing, with improved clinical results.

Materials And Methods: A prospective multicentre study followed up 199 patients (mean age, 57 years) for one year.

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Introduction: Rotator cuff tears often occur in combination with acromioclavicular (AC) arthropathy. But it can be difficult to separate pain caused by the rotator cuff tear from pain caused by the AC joint, despite clinical and other examinations. Distal clavicle resection (DCR) is increasingly being done at the same time as arthroscopic rotator cuff repair.

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Article Synopsis
  • The study investigates the relationship between T2 signal intensity on MRI and the effectiveness of distal clavicle resection (DCR) in treating AC arthropathy during rotator cuff repair.
  • It analyzes MRI images from 107 patients to see if T2 hyperintensity correlates with sex, AC arthropathy signs, or post-surgical outcomes.
  • Results show T2 hyperintensity doesn't predict better outcomes post-DCR for rotator cuff repairs, suggesting that AC pain may actually stem from the rotator cuff issue itself.
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Article Synopsis
  • Conventional radiography with an anteroposterior view is the standard method for assessing arthritis in the acromioclavicular joint.
  • This study aimed to test the consistency of this AP view by analyzing a cadaver with various angles in a controlled setup.
  • The findings showed that there was no consistent measurement of the joint space from different angles, suggesting that traditional X-rays may not be reliable for assessing arthritis, with CT scans or MRIs being better options.
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Background: Anterior shoulder instability can be successfully treated using Latarjet procedures, although a small proportion of patients report unexplained pain.

Purpose/hypothesis: The purpose was to report the prevalence and characteristics of patients with unexplained pain without recurrent instability after open Latarjet procedures and to determine whether screw removal can alleviate pain. The hypothesis was that unexplained pain without recurrent instability might be due to soft tissue impingements against the screw heads and that the removal of screws would alleviate or reduce pain.

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Introduction: The outcomes of the Latarjet procedure for anterior shoulder instability are highly satisfactory although recurrences are possible. Surgical revision is challenging, and often requires an iliac crest bone graft as described by Eden and Hybinette. The aims of our study were to analyze the outcomes of the Eden-Hybinette technique after failed Latarjet procedure, determine the failure and complication rates, and analyze the risk of osteoarthritis.

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Purpose: To analyze the learning curves of 5 experienced, fellowship-trained shoulder surgeons and their respective 25 first arthroscopic Latarjet cases in regard to surgical time, graft placement, complication rates, and recurrent instability.

Methods: The first 25 arthroscopic Latarjet procedures of 5 surgeons were retrospectively analyzed in an international multicenter setting, and thus 125 patients were included in this study. The surgical time, intraoperative and postoperative events out of the ordinary, and graft positioning were examined.

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Objective: To evaluate the repeatability and reproducibility of an ultrasound examination of the acromioclavicular joint (ACJ) performed by an orthopaedic surgeon to analyze anterior ACJ relationship in the horizontal plane.

Design: Prospective observational study on healthy subjects.

Setting: The study was conducted in 2017 in a university department of orthopaedic surgery and traumatology.

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Purpose: To analyze graft and fixation (screw and EndoButton) positioning after the arthroscopic Latarjet technique with 2-dimensional computed tomography (CT) and to compare it with the open technique.

Methods: We performed a retrospective multicenter study (March 2013 to June 2014). The inclusion criteria included patients with recurrent anterior instability treated with the Latarjet procedure.

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Article Synopsis
  • - The study aimed to create a CT-based protocol for accurately measuring coracoid graft placement after the Latarjet procedure and to evaluate the reliability of this protocol among different surgeons.
  • - Researchers analyzed 15 postoperative CT scans, focusing on the positioning of the graft and the angle of screws, with senior and junior surgeons assessing the scans to determine intraobserver and interobserver agreement based on the intraclass correlation coefficient (ICC).
  • - Results showed that intraobserver agreement was generally strong, while interobserver agreement varied, indicating that caution is needed when interpreting CT scan measurements due to challenges in properly orienting the glenoid.
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The principle of margin convergence can be applied to rotator cuff repair to enhance the security of fixation by decreasing the mechanical strain at the margins of the tear. We describe a suture technique, over-under lacing, that reproduces the same margin convergence, with equal tissue tension across the entire surface area of the cuff. A consecutive series of patients affected by massive U-shaped rotator cuff tears were treated by this repair technique.

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Background: The predictive value of doubling of serum creatinine (DSC) has never been assessed in renal transplantation. We evaluated it in terms of its use for clinical trials, cost-effectiveness studies, and individual patients.

Methods: Retrospective longitudinal study in 896 renal transplant recipients.

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