PubMed Journals Articles About "Osseointegration Click Prosthesis Following Amputation" - Page: 3 RSS

16:59 EST 16th February 2019 | BioPortfolio

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Showing "Osseointegration click prosthesis following amputation" PubMed Articles 51–75 of 606

Ischaemia of a femoral stump in short- and long-term periods after limb amputation.

The authors retrospectively analysed medical case histories of 287 patients subjected to femoral amputations over the period from January 1, 1998 to December 31, 2013. The studied parameters were as follows: the frequency of and risk factors for femoral stump ischaemia, as well as the effect on patients' survival after femoral amputation. Amongst 156 patients having endured transfemoral truncation of the limb performed as the first amputation, early femoral stump ischaemia (EFSI) within 3 postoperative mont...

Complications of bone-anchored prostheses for individuals with an extremity amputation: A systematic review.

This study aimed to provide an overview of device-related complications occurring in individuals with an upper or lower extremity amputation treated with a screw, press-fit or other type of bone-anchored implant as well as interventions related to these complications.

Intraneural sensory feedback restores grip force control and motor coordination while using a prosthetic hand.

Tactile afferents in the human hand provide fundamental information about hand-environment interactions, which is used by the brain to adapt the motor output to the physical properties of the object being manipulated. A hand amputation disrupts both afferent and efferent pathways from/to the hand, completely invalidating the individual's motor repertoire. Although motor functions may be partially recovered by using a myoelectric prosthesis, providing functionally effective sensory feedback to users of prost...

Low Back Pain in Persons with Lower Extremity Amputation: A Systematic Review of the Literature.

Lower extremity amputation (LEA) is associated with elevated risk for development and progression of secondary health conditions. Low back pain (LBP) is one such condition adversely affecting function, independence, and quality of life.

Outcomes of horses treated with removal of a laryngoplasty prosthesis.

To determine the proportion of horses treated by laryngoplasty prosthesis removal (LPR) for complications associated with prosthetic laryngoplasty (LP), the reason for LPR, and the outcome of horses undergoing LPR to manage iatrogenic coughing/dysphagia.

The SoftHand Pro: Functional evaluation of a novel, flexible, and robust myoelectric prosthesis.

Roughly one quarter of active upper limb prosthetic technology is rejected by the user, and user surveys have identified key areas requiring improvement: function, comfort, cost, durability, and appearance. Here we present the first systematic, clinical assessment of a novel prosthetic hand, the SoftHand Pro (SHP), in participants with transradial amputation and age-matched, limb-intact participants. The SHP is a robust and functional prosthetic hand that minimizes cost and weight using an underactuated des...

Neutrophil to Lymphocyte Ratio as a Predictor of Outcomes after Amputation.

The neutrophil to lymphocyte ratio (NLR) has become a prognostic marker for pro-inflammatory states. It is associated with outcomes in many clinical processes including critical limb ischemia. We sought to identify predictors of amputation failure and mortality, in addition to the role of NLR in patients undergoing above knee amputations (AKA) or below knee amputations (BKA).

Culture of Bone Biopsy Specimens Overestimates Rate of Residual Osteomyelitis After Toe or Forefoot Amputation.

Guidelines recommend both histological analysis and culture for definite diagnosis of osteomyelitis. It is not clear if histological and culture criteria can be used interchangeably in the clinical scenario of toe amputation. We therefore prospectively compared the results of intraoperative culture and those of histological examination in this setting.

Corrigendum to 'Randomized trial of the Carpentier-Edwards supra-annular prosthesis versus the Medtronic Mosaic aortic prosthesis: 10-year results' Eur J Cardiothorac Surg 2018;54:281--7.

Energy-optimal human walking with feedback-controlled robotic prostheses: a computational study.

Lower limb amputees, on average, experience reduced mobility and higher metabolic rates than non-amputees. It may be possible to improve their mobility and metabolic rate with an optimized robotic prosthesis. However, we still need to determine what specific parameters we should optimize. Here, we use large-scale trajectory optimization on a simulated transtibial amputee with a robotic prosthesis to obtain metabolic energyminimizing walking gaits with multiple prosthesis controllers. Using this simulation, ...

The Relationship Between Gait Symmetry and Metabolic Demand in Individuals With Unilateral Transfemoral Amputation: A Preliminary Study.

Temporal-spatial symmetry allows for optimal metabolic economy in unimpaired human gait. The gait of individuals with unilateral transfemoral amputation is characterized by temporal-spatial asymmetries and greater metabolic energy expenditure. The objective of this study was to determine whether temporal-spatial asymmetries account for greater metabolic energy expenditure in individuals with unilateral transfemoral amputation.

Surgical treatment of a patient presenting with an infected aortofemoral bifurcation prosthesis.

Described herein is a clinical case report regarding successive treatment of a patient presenting with total infection of an aortofemoral bifurcation vascular prosthesis and a purulent fistula in the left iliac-inguinal region. The patient was subjected to removal of the infected aortofemoral bifurcation prosthesis, followed by autovenous aortofemoral bifurcation prosthetic repair. There were no pyo-haemorrhagic complications in the postoperative period. The wounds of the femurs and in the inguinal regions ...

Impact of Burn-related Amputations on Return to Work: Findings from the Burn Injury Model System National Database.

Amputations following a burn injury, although infrequent, may impact community re-integration and create a barrier to returning to work. The objective of this study was to compare patient and injury characteristics, quality of life, and employment status for those with and without amputation using a national longitudinal database of people with burn injuries. In this retrospective review of prospectively collected data group differences were examined using descriptive statistics. We used linear and logistic...

Outcome after reconstruction of proximal femoral tumors: A systematic review.

Tumor resection followed by reconstruction with a proximal femoral endoprosthesis or an allograft-prosthesis composite are the two main alternatives for treatment of proximal femoral malignancies. This review describes the revision rate, implant survival, limb salvage rate, and function. Overall revision rates are high and reasons for failure differ between treatment modalities. Rate and reasons for amputation are comparable between both methods. Functional outcome was reasonable to good on average for both...

Sulfo-click chemistry with F-labeled thio acids.

The first application of sulfo-click chemistry with 18F-labeled thio acids is described. The simple one-pot/three-component reaction proceeded rapidly within 30 min using mild reaction conditions to give various 18F-labeled small molecule N-acylsulfonamides in radiochemical conversions of 38-99%, and radiolabeled peptides in 20-25% isolated and decay-corrected radiochemical yields.

Lethal course of complicated vascular prosthesis infections.

Presented are two cases of vascular prosthesis infections complicated by peritonitis with a lethal course. The authors describe complicated antibiotic therapy with findings, exhausted options for surgical therapy and subsequent decision that the condition was untreatable and palliative care was initiated.

Advancements in craniofacial prosthesis fabrication: A narrative review of holistic treatment.

The treatment of craniofacial anomalies has been challenging as a result of technological shortcomings that could not provide a consistent protocol to perfectly restore patient-specific anatomy. In the past, wax-up and impression-based maneuvers were implemented to achieve this clinical end. However, with the advent of computer-aided design and computer-aided manufacturing (CAD/CAM) technology, a rapid and cost-effective workflow in prosthetic rehabilitation has taken the place of the outdated procedures. B...

Association of Ankle-Brachial Indices With Limb Revascularization or Amputation in Patients With Peripheral Artery Disease.

The prevalence and morbidity of peripheral artery disease (PAD) are high, with limb outcomes including revascularization and amputation. In community-dwelling patients with PAD, the role of noninvasive evaluation for risk assessment and rates of limb outcomes have not been established to date.

Effect of rotary instrument mineral oil lubricant on osseointegration: A randomized, blinded study in rabbits.

The mechanisms of early failures in dental implant osseointegration are unclear. A possible cause of low levels of bone formation is implant contamination with lubricants during insertion. To explore the impact of lubricant contamination on dental implants, we used five New Zealand rabbits and inserted two implants per tibia in each animal for a total of four implants per animal (20 implants in total). In general, bicorticalization was achieved. The first implant was placed as suggested by the manufacturer ...

Developmental cost of leg-regenerated Coccinella septempunctata (Coleoptera: Coccinellidae).

As larval cannibalism is common under intensive rearing conditions, leg regeneration can help ladybugs adapt to the competitive environment, but whether the leg regeneration leads to side effects on development remains unclear. To analyze the potentially developmental cost of leg regeneration, the developmental period and weight of leg-regenerated Coccinella septempunctata were studied in the laboratory. The results showed that, when the time intervals between the emergency of 4th-instar larva and leg amput...

Immediately Loaded Fixed Full-Arch Implant-Retained Prosthesis: Clinical Analysis When Using a Moderate Insertion Torque.

This study uses intentionally tilted implants with a moderate insertion torque to retain an immediately loaded fixed full-arch implant-retained prosthesis using four implants. The aims of this study were to determine the likelihood that this type of implant-retained prosthesis can be predictably provided on the day of implant placement, the survival rate when providing immediate load, and the importance of insertion torque on the survival of the implants.

Click chemistry enables quantitative chiroptical sensing of chiral compounds in protic media and complex mixtures.

Click reactions have become powerful synthetic tools with unique applications in the health and materials sciences. Despite the progress with optical sensors that exploit the principles of dynamic covalent chemistry, metal coordination or supramolecular assemblies, quantitative analysis of complex mixtures remains challenging. Herein, we report the use of a readily available coumarin conjugate acceptor for chiroptical click chirality sensing of the absolute configuration, concentration and enantiomeric exce...

The Cleating Stitch: An Adjunctive Technique for Percutaneous and Revision Osseointegration Screws.

The bone anchored hearing aid (BAHA) has become a widely used and successful option in treatment of conductive and mixed hearing loss, and single sided deafness. Despite improvements in technique and cosmesis, complications remain that can result in implant revision or removal. Herein we describe a unique adjunctive technique, the cleating stitch, in placement of osseointegration screws and examine its impact on complication rates.

Bone Regeneration of Canine Peri-implant Defects Using Cell Sheets of Adipose-Derived Mesenchymal Stem Cells and Platelet-Rich Fibrin Membranes.

Insufficient bone volume compromises the success rate and osseointegration of immediate implantation. The objective of the present study was to engineer bone tissue by using adipose-derived stem cell (ASC) sheets and autologous platelet-rich fibrin (PRF) to enhance new bone formation and osseointegration around dental implants.

Osseointegrated Percutaneous Prosthetic System for the Treatment of Patients With Transfemoral Amputation: A Prospective Five-year Follow-up of Patient-reported Outcomes and Complications.

Direct skeletal attachment of prostheses has previously been shown to improve patient-reported outcome (PRO) measures of individuals with transfemoral amputation (TFA) at 2-year follow-up. This prospective study reports the outcomes at 5-year follow-up.

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