24,861 results match your criteria implant failure

Short-term outcomes of 59 dogs treated for ilial body fractures with locking or non-locking plates.

Vet Surg 2021 May 6. Epub 2021 May 6.

Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Iowa State University, Ames, Iowa, USA.

Objective: To determine the influence of plating systems on the clinical outcomes in dogs treated for ilial fractures.

Design: Retrospective study.

Animals: Fifty-nine dogs (63 hemipelves). Read More

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Biomechanical effects of a titanium intervertebral cage as a stand-alone device, and in combination with locking plates in the canine caudal cervical spine.

Vet Surg 2021 May 6. Epub 2021 May 6.

Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.

Objective: To evaluate the change in ex vivo biomechanical properties of the canine cervical spine, due to an intervertebral cage, both as a stand-alone device and in combination with plates.

Study Design: Experimental ex vivo study.

Animals: Cervical spinal segments (C5-C7) from eight canine cadavers. Read More

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Exchange K-nailing, Augmented Plating Technique for Atypical Femur Diaphyseal Non-union, and Implant Failure - A Case Report.

J Orthop Case Rep 2020 May-Jun;10(3):5-9

Department of Trauma, Sancheti Institute for Orthopaedics and Rehabilitation, Pune, Maharashtra. India.

Introduction: Atypical femoral fractures (AFFs) have an unpredictable healing process leading to higher complication rates. The literature describes various treatment modalities of non-unions in AFF. We aimed to report a case of non-union with AFF and successful union with exchange K-nailing and augmented plating techniques. Read More

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A Clinical Case Report of a Potential Acute Allergic Reaction with Titanium Dental Implant.

Case Rep Dent 2021 10;2021:5592934. Epub 2021 Apr 10.

Department of Periodontology, College of Dentistry, University of Florida, USA.

Titanium hypersensitivity is rare, but it may exist among patients who need dental implant treatment. It could contribute to mild or severe peri-implant tissue hypersensitivity reactions and affect patients' oral and general health according to some clinical reports. In extreme cases, it may lead to implant failure or extraction. Read More

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Novel Approach for Laparoscopically Placed Chronic Amniotic Fluid Catheters in Sheep.

Fetal Diagn Ther 2021 May 5:1-7. Epub 2021 May 5.

Department of Surgery, Boston Children's Hospital, Boston, Massachusetts, USA.

Introduction: Several fetal therapies involve repeated amniotic fluid intervention. We hypothesize that a minimally invasive approach can be used to safely implant an intrauterine catheter infusion system in a fetal ovine model for chronic use during pregnancy.

Method: Five pregnant sheep underwent operation between gestational days 110 and 115 (term 145 days). Read More

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Drug Release from Thermo-Responsive Polymer Brush Coatings to Control Bacterial Colonization and Biofilm Growth on Titanium Implants.

Adv Healthc Mater 2021 May 5:e2100069. Epub 2021 May 5.

Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cµ), Department of Chemistry and Biology, School of Science and Technology, University of Siegen, Adolf-Reichwein-Str. 2, Siegen, 57076, Germany.

Despite decades of biomedical advances, the colonization of implant devices with bacterial biofilms is still a leading cause of implant failure. Clearly, new strategies and materials that suppress both initial and later stage bacterial colonization are required in this context. Ideal would be the implementation of a bactericidal functionality in the implants that is temporally and spatially triggered in an autonomous fashion at the infection site. Read More

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Significance of site-specific radiation dose and technique for success of implant-based prosthetic rehabilitation in irradiated head and neck cancer patients-A cohort study.

Clin Implant Dent Relat Res 2021 May 4. Epub 2021 May 4.

Department of Oral and Maxillofacial Surgery, University Hospital Regensburg, Regensburg, Germany.

Background: Radiotherapy aggravates implant-based prosthetic rehabilitation in patients with head and neck cancer.

Purpose: To evaluate the impact of radiation dose at implant and parotid gland site for prosthetic rehabilitation.

Material And Methods: The retrospective study includes 121 irradiated head and neck cancer patients with 751 inserted implants. Read More

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Surgery Start Time and Early Implant Failure: A Case-Control Study.

Clin Oral Implants Res 2021 May 4. Epub 2021 May 4.

Department of Periodontics, University of Iowa College of Dentistry, Iowa City, IA, USA.

Objective: To evaluate the influence of surgery start time (SST) and other patient- and therapy-related variables on the risk for early implant failure (EIF) in an academic setting.

Material And Methods: Data were extracted from the electronic health records of 61 patients who had at least one EIF and 140 age- and gender-matched, randomly selected, non-EIF controls. Bivariate and multivariable analyses were performed to identify relevant associations between EIF and different variables, such as SST. Read More

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Effect of previous implant failure on the prognosis of subsequent implants: a retrospective study.

Clin Oral Implants Res 2021 May 4. Epub 2021 May 4.

Department of Prosthodontics, Heidelberg University Hospital, University of Heidelberg, Heidelberg, Germany.

Objectives: To compare the long-term survival of dental implants placed in patients with and without a history of implant failure.

Material And Methods: Within a retrospective analysis, an experimental group was selected consisting of 59 patients with 137 implants placed after previous failure. The control group included 1072 patients with 2664 implants without previous failure. Read More

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Controlled bacteriostasis of tea polyphenol loaded ultrahigh molecular weight polyethylene with high crosslink density and oxidation resistance for total joint replacement.

Mater Sci Eng C Mater Biol Appl 2021 May 24;124:112040. Epub 2021 Mar 24.

College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, 610065 Chengdu, China.

To avoid catastrophic bacterial infection in prosthesis failure, ultrahigh molecular weight polyethylene (UHMWPE), a common bearing material of artificial joints, has been formulated with antibiotics to eliminate bacteria locally at the implant site. However, the pressing issues regarding cytotoxic effects and evolution of drug resistant bacteria necessitates the development of bio-friendly bacteriostat with long bacteriostatic efficacy. Herein, tea polyphenol extracted from nature source was introduced in UHMWPE as a biogenic antimicrobial. Read More

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Mid-term results and survival rates following a single-design rotating hinge knee arthroplasty in non-tumor conditions in a Pakistani population.

Knee Surg Relat Res 2021 May 4;33(1):15. Epub 2021 May 4.

Department of Orthopaedic Surgery, Liaquat National Hospital and Medical College, National Stadium Rd, Sindh, 74800, Karachi, Pakistan.

Background: Information regarding the use of hinged implants in non-oncological conditions is limited in our region due to a lack of adequate data collection and follow-up. The purpose of this study is to evaluate mid-term results and risk factors affecting the survivorship of third-generation rotating hinge knee (RHK) patients in non-oncological conditions.

Methods: We retrospectively reviewed 41 single, third-generation, rotating hinge prostheses in three complex primary knee procedures and 38 revision knee surgeries in between 2007 to 2014. Read More

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Synthesis of an organic-inorganic hybrid with short organic molecular chains by sol-gel chemistry.

J Mech Behav Biomed Mater 2021 Apr 29;120:104567. Epub 2021 Apr 29.

College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, China. Electronic address:

An oligomer with short organic molecular chains was successfully synthesized with KH550 and KH560. This oligomer was combined with tetraethyl orthosilicate and calcium chloride to prepare an organic-inorganic hybrid biological material (OI-BM) by sol-gel chemistry. The hybrid was fully characterized by a series of instrumental characterizations including nuclear magnetic resonance spectrometry, scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, X-ray energy spectroscopy and inductively coupled plasma spectrometry. Read More

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Implant-based oral rehabilitation in systemic sclerosis patients: a systematic review.

J Oral Implantol 2021 May 4. Epub 2021 May 4.

Universite de Strasbourg 1: Universite de Strasbourg Faculté de Chirurgie Dentaire 8 rue Sainte Elisabeth FRANCE STRASBOURG Alsace 67000 Université de Strasbourg, Faculté de Chirurgie Dentaire - Hôpitaux Universitaires de Strasbourg, Centre de Référence Maladies Rares Orales et Dentaires - INSERM UMR_S 1109 - Strasbourg, France.

Systemic sclerosis is a rare multisystem autoimmune disorder that significantly impacts the orofacial region. Several oral features including microstomia and increased tooth loss contribute to the mouth-related disability. Prosthetic rehabilitation is very challenging in these patients. Read More

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Despite higher revision rate, MoM large-head THA offers better clinical scores than HR: 14-year results from a randomized controlled trial involving 48 patients.

BMC Musculoskelet Disord 2021 Apr 30;22(1):400. Epub 2021 Apr 30.

Surgery Department, Hôpital Maisonneuve-Rosemont, Montreal University, 5415 Boulevard de l'Assomption, Montréal, Québec, H1T 2M4, Canada.

Background: The high failure rates of metal on metal (MoM) large diameter head total hip arthroplasty (LDH THA) and hip resurfacing (HR) prevented their long-term comparisons with regards to clinical outcome. Such knowledge would be important as ceramic LDH bearing is now available. With long-term follow-up, we investigated the difference in 1) patient-reported outcome measures (PROMs); 2) revision and adverse events rates, and 3) metal ion levels between MoM LDH THA and HR. Read More

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Safety and efficacy outcomes at 1 year after MitraClip therapy for percutaneous mitral valve repair in patients with severe mitral regurgitation: the Egyptian experience.

Egypt Heart J 2021 May 3;73(1):42. Epub 2021 May 3.

Department of Cardiology, Faculty of Medicine, Zagazig University, Zagazig, 44519, Egypt.

Background: Our aim was to assess safety and efficacy outcomes at 1 year after MitraClip for percutaneous mitral valve repair in patients with severe mitral regurgitation. Twenty consecutive patients with significant MR (GIII or GIV) were selected according to the AHA/ACC guidelines from June 2016 to June 2019 and underwent percutaneous edge-to-edge mitral valve repair using MitraClip with a whole 1 year follow-up following the procedure. The primary acute safety endpoint was a 30-day freedom from any of the major adverse events (MAEs) or rehospitalization for heart failure. Read More

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A 3-year prospective cohort study on mandibular anterior cantilever restorations associated with screw-retained implant-supported prosthesis: An study.

J Indian Prosthodont Soc 2021 Apr-Jun;21(2):150-160

Department of Periodontics, Army College of Dental Sciences, Secunderabad, Telangana, India.

Aim: The aim of this study is to evaluate the survival of single implant supported cantilever prosthesis (ISCP) replacing missing two adjacent natural teeth in the anterior mandible.

Settings And Design: In vivo - Prospective cohort study.

Materials And Methods: Thirty patients with missing both mandibular central incisors were selected. Read More

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Association of interleukin-1 gene polymorphism and early crestal bone loss around submerged dental implants: A systematic review and meta-analysis.

J Indian Prosthodont Soc 2021 Apr-Jun;21(2):116-124

Department of Prosthodontics, King George's Medical University, Lucknow, Uttar Pradesh, India.

Aim: Early crestal bone loss (ECBL) has been observed regardless of the absence of possible etiologic factors for bone loss during the healing phase and before the second-stage implant surgery. The purpose of this systematic review and meta-analysis was to correlate the possible association of interleukin-1 (IL-1) gene polymorphisms and ECBL (bone loss before the second-stage surgery) around dental implants.

Settings And Design: Systematic review and meta-analysis following PRISMA guidelines. Read More

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Efficacy and safety data for the Ab interno XEN45 gel stent implant at 3 Years: A retrospective analysis.

Eur J Ophthalmol 2021 May 2:11206721211014381. Epub 2021 May 2.

Department of Ophthalmology, Mid and South Essex NHS Foundation Trust, Southend-on-Sea, UK.

Purpose: To report efficacy and safety measures of the XEN45 gel stent at 36 months in the UK National Health Service setting.

Methods: Retrospective non-comparative audit of the records of patients who underwent XEN45 implantation between June 2015 and May 2017 was performed. Main outcome measures were intraocular pressure and number of antihypertensive medications used. Read More

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Comparison of reamed long and short intramedullary nail constructs in unstable intertrochanteric femur fractures: A biomechanical study.

OTA Int 2020 Jun 5;3(2):e075. Epub 2020 May 5.

Michigan Medicine, University of Michigan, Ann Arbor, MI.

Objectives: There is no definitive evidence to guide clinicians in their decision-making for implant choice regarding long or short intramedullary nails for unstable fracture patterns. Historically short nails were associated with higher rates of perisprothetic fractures which seem to have improved with newer designs. Long intramedullary nails have higher blood loss and time under anesthesia. Read More

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Robotic assisted fixation of sacral fractures: A pilot study.

OTA Int 2019 Dec 6;2(4):e046. Epub 2019 Dec 6.

Department of Orthopaedics, Hadassah Hebrew University Medical Center, Jerusalem, Israel.

Objectives: Sacral fractures that require fixation are a challenge for the orthopaedic surgeon. Due to anatomical consideration, implant insertion is not risk free, and requires a steep learning curve. A robotic system has been successfully used in pedicle screws insertion and can be also used for iliosacral screws. Read More

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December 2019

Catastrophic Failures of the Tibial Post in a Bicruciate Substituting Total Knee Prosthesis.

Arthroplast Today 2021 Apr 15;8:231-236. Epub 2021 Apr 15.

Department of Orthopedic Surgery, McLaren-Greater Lansing Hospital, Lansing, MI, USA.

Failure of the tibial post in a bicruciate substituting total knee prosthesis is a rare but catastrophic complication. The authors report 2 cases of a fracture of the polyethylene tibial post with subsequent episodes of knee subluxation. Prompt recognition and early revision of these complications are associated with a favorable early outcome. Read More

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Outcomes and complications after dual plate vs. single plate fixation of displaced mid-shaft clavicle fractures: A systematic review and meta-analysis.

J Clin Orthop Trauma 2021 Jun 14;17:261-266. Epub 2021 Apr 14.

Section of Orthopaedic Surgery, Department of Surgery, University of Calgary, Calgary, Canada.

Introduction: Open reduction and internal fixation (ORIF) of displaced midshaft clavicle fractures is associated with higher union rates and earlier functional recovery. However, ORIF with plate fixation is associated with complications including implant irritation and implant failure. Dual plate fixation provides fixation in orthogonal planes, and uses a lower profile fixation technique in comparison to pre-contoured and surgeon-contoured small-fragment locking plates, which may be more prominent. Read More

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Breast Cancer in the Presence of Failed Saline Breast Implants.

Cureus 2021 Mar 31;13(3):e14204. Epub 2021 Mar 31.

Breast Surgery, West Hertfordshire Hospitals NHS Trust, St. Albans, GBR.

Breast augmentation has been gaining popularity over the last two decades to correct congenital breast asymmetry or increase breast size and projection. Augmentation options started with saline implants, then silicone implants, and, recently, autologous fat transfer. Unfortunately, breast implants are not without complications, some of which are common, like capsular contracture, implant failure and infection. Read More

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Spastic Hips in Cerebral Palsy - Retrospective Study of Salvage with the McHale Procedure.

Rev Bras Ortop (Sao Paulo) 2021 Apr 22;56(2):244-250. Epub 2020 Sep 22.

Departamento de Ortopedia e Traumatologia, Faculdade de Ciências Médicas, Santa Casa de Misericórdia de São Paulo, São Paulo, SP, Brasil.

 To perform a retrospective and cross-sectional assessment to determine the pain and positional improvement of all patients with spastic cerebral palsy (CP) and severe hip deformity who underwent a McHale procedure in our center. A second objective was to analyze the potential complications from the procedure.  All consecutive patients treated between 1995 and 2017 were analyzed. Read More

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Progression of Tibia Fracture Healing Using RUST: Are Early Radiographs Helpful?

J Orthop Trauma 2021 Apr 29. Epub 2021 Apr 29.

University of Minnesota Washington University in St Louis Oregon Health & Science University Northern Illinois University Stanford University Hospital for Special Surgery.

Objectives: To report the progression of radiographic healing after intramedullary nailing of tibial shaft fractures using the Radiographic Union Score for Tibial fractures (RUST) and determine the ideal timing of early post-operative radiographs.

Design: Retrospective case series.

Setting: Urban academic Level 1 trauma center. Read More

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Implant survival and functional results of endoprosthetic reconstruction for proximal femoral metastases with pathological fractures.

Hip Int 2021 May 2:11207000211014813. Epub 2021 May 2.

Department of Orthopaedic Surgery and Traumatology, Marmara University School of Medicine, Istanbul, Turkey.

Background: This study aimed to evaluate the patient and implant survival, clinical and functional outcomes, and the rate of complications resulting in reconstruction failure following endoprosthetic reconstruction (EPR) of extensive proximal femoral metastases associated with actual or impending pathological fractures.

Methods: A total of 111 patients with actual or impending pathological fractures due to metastatic disease of the proximal femur were treated with EPR between 2003 and 2018. Staged surgery, bilateral EPR, was performed in 3 cases. Read More

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Failure Risk of Short Dental Implants Under Immediate Loading: A Meta-Analysis.

J Prosthodont 2021 May 1. Epub 2021 May 1.

Institute of Stomatology, First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.

Purpose: Currently, there is no clear clinical evidence that short implants are suitable for immediate loading. Therefore, this meta-analysis aims to evaluate whether immediate loading increases the failure risk of short dental implants.

Materials And Methods: This meta-analysis was registered at PROSPERO (CRD 42020195890). Read More

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A biomechanical comparison of steel screws versus PLLA and magnesium screws for the Latarjet procedure.

Arch Orthop Trauma Surg 2021 Apr 30. Epub 2021 Apr 30.

Department of Orthopaedics and Trauma Surgery, St. Josef Hospital, Ruhr University Bochum, Gudrunstrasse 56, 44791, Bochum, Germany.

Introduction: The fixation of the coracoid process onto the glenoid is an important step of the Latarjet procedure, and implant-associated complications are a relevant and severe problem. This study compares the fixation strength and failure mode of two biodegradable materials with stainless-steel screws.

Methods: 24 Fresh-frozen cadaveric scapulae were divided into three groups of equal size and received a coracoid transfer. Read More

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Early Aseptic Loosening with Increased Presence and Severity of Backside Burnishing in the Optetrak Logic Posterior-Stabilized Total Knee Arthroplasty Femoral Component.

J Knee Surg 2021 Apr 30. Epub 2021 Apr 30.

The Stavros Niarchos Foundation Complex Joint Reconstruction Center, Hospital for Special Surgery, New York City, New York.

Concerns persist that the Optetrak Logic posterior-stabilized (PS) total knee arthroplasty (TKA) femoral component might correlate with early failures due to aseptic loosening. The primary aim of this study was to examine if the use of the Optetrak Logic PS femoral component is associated with early (<5 years) and more extensive aseptic loosening compared with other PS femoral components. This is a single-institution retrieval analysis and revision registry study (based on prospectively collected data) of 27 failed primary PS TKA patients with loose femoral components that underwent revision TKAs between 2016 and 2019. Read More

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STS INTERMACS Database: The Key to Conduct Single-arm Trials in Advanced Heart Failure Patients.

Ann Thorac Surg 2021 Apr 27. Epub 2021 Apr 27.

Section of Cardiac Surgery, Department of Surgery, The University of Chicago Medical Center, Chicago IL, USA.

Background: Safe introduction of novel mechanical circulatory support (MCS) devices into clinical practice is a challenging process. Single-arm trials using a control arm from existing database is an effective alternative that could be applied for regulatory approval. This study analyzes the capability of the Interagency Registry for Mechanically Assisted Circulatory Support (INTERMACS) database to establish objective performance criteria and select patient population that could be used for future single-arm MCS trials. Read More

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