PubMed Journals Articles About "Osseointegration Click Prosthesis Following Amputation" RSS

15:38 EST 18th January 2019 | BioPortfolio

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Showing "Osseointegration click prosthesis following amputation" PubMed Articles 1–25 of 597

Osseointegration click-on prosthesis following leg amputation.

Since its introduction in 2009, more than 150 people in the Netherlands have received an osseointegration prosthesis following leg amputation. Serious complications such as septic or aseptic loosening and breakage of the implant are rare. In this article we highlight the results so far, the indications and contra-indications, our first experiences with patients who have undergone amputation due to vascular disease, and the future of osseointegration treatment in the Netherlands.

Effects of activity intensity, time, and intermittent doffing on daily limb fluid volume change in people with transtibial amputation.

The volume of a prosthesis user's residual limb changes during the day and may affect the fit of the prosthesis. These changes must be managed by the user to prevent discomfort, skin breakdown, and falls.

Mobility analysis of amputees (MAAT 3): Matching individuals based on comorbid health reveals improved function for above-knee prosthesis users with microprocessor knee technology.

The objective of this cross-sectional observational study was to determine whether the use of a microprocessor knee for individuals with an above-the-knee amputation results in improved functional mobility compared to their peers of matched comorbid-health with a non-microprocessor knee, and to inform how this compares to the mobility observed in below-knee prosthesis users. A sample of 450 individuals with lower limb amputation were divided into three groups (n = 150 each). The groups included: nonmicrop...

Prosthesis use is associated with reduced physical self-disgust in limb amputees.

Self-disgust is an emotion schema negatively affecting people's body image and is triggered by bodily imperfections and deviations from the "normal" body envelope. In this study, we explore the idea that "normalising" the body in those with limb amputations via the prosthesis would be linked to reduced self-directed disgust. An international clinical community sample (N = 83) with mostly lower limb amputations completed measures about their demographics, prosthesis, adjustment, body image disturbance, p...

Does reconstruction preserving the first or first two rays benefit over full transmetatarsal amputation in diabetic foot?

The benefits of total transmetatarsal amputation (TMA) over higher level amputation are well known. However, there are no studies evaluating the effects of first or the first two ray sparing transmetatarsal amputation with flap coverage. We evaluated this approach in regards to functional outcome and to identify long-term complications.

CoreValve Double Jeopardy: Embolized Valve Capture With Subsequent Valve.

During transcatheter aortic valve replacement with a self-expanding prosthesis, prosthesis embolization represents a rare but severe complication. Etiologies of prosthesis embolization include improper sizing and malpositioning, specifically high deployment with respect to the aortic annulus. Treatment of embolization into the aorta relies upon repositioning of the prosthesis using endovascular snares or removal with open surgery. Patients with prosthesis embolization have a high risk of mortality and morbi...

Effects of Test Socket on Pain, Prosthesis Satisfaction, and Functionality in Patients with Transfemoral and Transtibial Amputations.

BACKGROUND The aim of this retrospective study was to investigate the frequency of admissions, reason for admissions, and test socket satisfaction in patients who received a lower-limb prosthesis with or without a test socket in our unit. MATERIAL AND METHODS A total of 88 patients (54 men, 34 women) were included in the study. Patients were divided into 2 groups: the group with test socket (Group I, 44 patients) and the group without test socket (Group II, 44 patients). Variables related to the functional ...

Heterogeneous modeling based prosthesis design with porosity and material variation.

The work proposes the development of heterogeneous bio-implants with the aim to minimize stress shielding effect and enhance bone ingrowth. Stress shielding in the implant can be minimized by reducing the overall stiffness of the implant, which is achieved here by varying the material based on stress distribution across the prosthesis. To increase overall stability of the implant by simultaneous enhancing osseointegration and reducing stress shielding, the work proposes the design of heterogeneous prosthesi...

Recent trends in click chemistry as a promising technology for virus-related research.

Click chemistry involves reactions that were originally introduced and used in organic chemistry to generate substances by joining small units together with heteroatom linkages (C-X-C). Over the last few decades, click chemistry has been widely used in virus-related research. Using click chemistry, the virus particle as well as viral protein and nucleic acids can be labeled. Subsequently, the labeled virions or molecules can be tracked in real time. Here, we reviewed the recent applications of click reactio...

Bimodal ankle-foot prosthesis for enhanced standing stability.

Previous work suggests that to restore postural stability for individuals with lower-limb amputation, ankle-foot prostheses should be designed with a flat effective rocker shape for standing. However, most commercially available ankle-foot prostheses are designed with a curved effective rocker shape for walking. To address the demands of both standing and walking, we designed a novel bimodal ankle-foot prosthesis that can accommodate both functional modes using a rigid foot plate and an ankle that can lock ...

Transcatheter Aortic Valve Replacement for a Failed Mechanical Aortic Prosthesis.

The options for reoperation for a dysfunctional mechanical aortic prosthesis in a small aortic root may be limited for high-risk patients. We report a case where transcatheter aortic valve replacement was used through the open aorta on cardiopulmonary bypass in order to minimize operative duration and reduce the risk of prosthesis-patient mismatch in a Jehovah's witness with a failed 17-mm mechanical aortic prosthesis.

The use of testicular prostheses in boys.

Lack of the testis is an important factor in psycho-sexual development of the boys, and implantation of the prosthesis plays a very essential role in the treatment of that group of patients. Currently there are no standards regarding when prosthesis should be implanted, and which access is connected with minimal rates of complications. We present our experience of primary prosthesis implantations in boys treated in our department.From 2000 to 2014, primary implantation of the testicular prosthesis was perfo...

Oral implant osseointegration model in C57Bl/6 mice: microtomographic, histological, histomorphometric and molecular characterization.

Despite the successful clinical application of titanium (Ti) as a biomaterial, the exact cellular and molecular mechanisms responsible for Ti osseointegration remains unclear, especially because of the limited methodological tools available in this field.

Effects of hyperbaric oxygen treatment on implant osseointegration in experimental diabetes mellitus.

To evaluate whether hyperbaric oxygen (HBO) treatment has a favorable effect on implant osseointegration in diabetic rabbits.

Do CTA measurements of annular diameter, perimeter and area result in different TAVI prosthesis sizes?

Incorrect prosthesis size has direct impact on patient outcome after transcatheter aortic valve implantation (TAVI) procedure. Currently, annular diameter, area or perimeter may be used for prosthesis size selection. The aim was to evaluate whether the use different annular dimensions would result in the selection of different prosthesis sizes, when assessed in the same TAVI-candidate during the same phase of a cardiac cycle. Fifty consecutive TAVI-candidates underwent retrospectively ECG-gated computed tom...

Targeted muscle reinnervation and prosthetic rehabilitation after limb loss.

Over one million amputations occur annually world-wide. Often, amputation of the neoplastic limb is regarded as a surgical failure and the end of surgical care for the patient. Here, we highlight the advancements in extremity prostheses and surgical techniques that should change that mindset. Myoelectric prostheses, osseointegration, and targeted muscle reinnervation allow for more intuitive and easy to use devices, reduced pain, and greater quality of life for amputees.

The Diabetic Foot Amputation Decision-Making Process.

Diabetes has been the fourth leading cause of death in Taiwan since 2002 and is one of the top four most prevalent chronic diseases worldwide. Patients who have diabetic foot, as well as their families, are faced with the burden of possible limb amputation. The aim of this study was to explore the amputation decision-making process with patients with diabetic foot and their families.

Controversial case: Revascularization of a popliteal vascular injury of poor prognosis.

Popliteal injuries are significant health risk that could induce permanent functional impairment, limb loss, and in some cases death. Currently, there is a controversy about the required treatment between amputation and a limb salvage surgery, which in some cases could cause more prominent functional impairment than the amputation. Different indicators help to predict, in some extent, the risk of amputation, however most of them were described two decades ago.

The revenue from finger replantation and revision amputation: Is it cost-covering?

Finger amputation injuries are frequently treated conditions in occupational accident hospitals. They are either treated by replantation or revision amputation. The costs of these two treatment options differ significantly. This study aims to determine if the revenue generated from the treatment of finger amputation injuries in the German DRG system is cost-covering and if there are differences depending on the type of health insurance.

Complex treatment of vascular prostheses infections.

Infections after vascular reconstructions are very rare; however, when they occur, they are associated with a high risk of morbidity. In order to obtain the best results possible, the treatment needs to be initiated as early as possible, from the very first signs of infection, and it needs to be carried out in centers specializing in vascular surgery. The aim of the present study was to assess the incidence of infections in a single university center.This retrospective analysis over a 2-year period is based...

The Antidepressant Drug, Sertraline, Hinders Bone Healing and Osseointegration in Rats' Tibiae.

Selective Serotonin Reuptake Inhibitors (SSRIs) are one of the most common antidepressant drugs. SSRI use is associated with increased risk of bone fracture and titanium implant failure. The aim of this in vivo study was to investigate the effect of SSRIs on osseointegration and bone healing.

Single level discectomy with and without disc prosthesis: A comparative study of 114 patients.

Low back and leg pain due to lumbar discal hernia (LDH) is an important health issue. Current evidences support surgery in carefully selected patients who have failed conservative treatment and do not exhibit any psychosocial overlay. However, as known, sometimes it may be still very difficult to normalize the life qualities of patients for long times. Now different surgical methods for LDH are in use with new technological materials. One of them is lumbar disc prosthesis. In this study, the radiological an...

Enhanced osseointegration of hierarchically structured Ti implant with electrically bioactive SnO2-TiO2 bi-layered surface.

The poor osseointegration of Ti implant significantly compromise its application in load-bearing bone repair and replacement. Electrically bioactive coating inspirited from heterojunction on Ti implant can benefit osseointegration but cannot avoid the stress shielding effect between bone and implant. To resolve this conflict, hierarchically structured Ti implant with electrically bioactive SnO2-TiO2 bi-layered surface has been developed to enhance osseointegration. Benefiting from the electric cue offered b...

Effect of Plasma Oxidation-Treated TiOx Film on Early Osseointegration.

To develop a TiOx film with high wettability using plasma oxidation methodology and to evaluate the effect of such surface modification on new bone formation and early osseointegration.

Effect of ultraviolet photofunctionalization of dental titanium implants on osseointegration.

The aim of the current study was to evaluate the effect of ultraviolet (UV) photofunctionalization of dental titanium implants with exposure to the oral cavity on osseointegration in an animal model.

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