Search Results
Results 201 - 250 of 1124
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Steigelman Megan B - - 2009
BACKGROUND: Negative pressure wound therapy (NPWT) has been used for complex sternotomy wounds. Some reports describe foam placement below the posterior sternal table. We compared the hemodynamic and pulmonary effects of foam location during NPWT after median sternotomy. METHODS: Swine were randomized into four groups (n = 6 per group). ...
Ho Chester H - - 2009
Ho CH, Johnson T, Miklacic J, Donskey CJ. Is the use of low-pressure pulsatile lavage for pressure ulcer management associated with environmental contamination with Acinetobacter baumannii? OBJECTIVE: To determine the extent of environmental contamination associated with low-pressure pulsatile lavage of stage III or IV pressure ulcers in patients with spinal ...
Capobianco Claire M - - 2009
Since its introduction into the market, negative pressure wound therapy (NPWT), also known as topical negative pressure, has become an important adjuvant therapy for the treatment of many types of wounds. Surgeons and physicians of all subspecialties have adopted NPWT into their practices. NPWT has become a mainstay in the ...
Arnaud Françoise - - 2011
Fabric-like hemostatic dressings offer promise for hemorrhage control in noncompressible areas, especially given their similarity in form to standard gauze currently in use. Recently, two such products, Combat Gauze (CBG) and TraumaStat (TMS), were introduced. Their performance is evaluated in two vascular injury models. The dressings were evaluated in anesthetized ...
Bangun Kristaninta - - 2010
In microtia reconstruction, maintaining a healthy contact between the skin and the fabricated cartilage framework is essential to attaining a smooth and accentuated contour of the reconstructed auricle. Conventional means to achieve this include bolster sutures and continuous suction drains, both of which have associated shortcomings. A new dressing method ...
Nakamura Takatoshi - - 2009
BACKGROUND/AIMS: The present study, with a matched case-control study design, was undertaken to evaluate the usefulness of high-pressure washing for preventing postoperative wound infection by comparing the outcomes in cases in which the high-pressure washing was performed with those in which the procedure was not adopted. METHODOLOGY: A total of ...
Spector David - - 2009
BACKGROUND AND OBJECTIVE: In today's age of advancing surgical technology, there is a need for better and simpler methods of tissue bonding. The use of lasers for tissue welding or soldering is one of these sutureless methods. In 30 years of laser tissue bonding (LTB) research, published reports of cylindrical ...
Winter Hanno - - 2010
PURPOSE: Vessel sealing has been well-established in surgical practice in recent years. Bipolar radiofrequency-induced thermofusion (BIRTH) of intestinal tissue might replace traditionally used staples or sutures in the near future. In this experimental study, the influence of compressive pressure, fusion temperature, and duration of heating on the quality of intestinal ...
Classic K L - - 2009
The purpose of this study was to determine whether the use of a scalpel or electrocautery to remove radioactive sealed sources ("seeds") from surgically excised tissue could damage the seed and cause it to leak its radioactive contents. Attempts were made to cut or burn Oncura Model 6711 non-radioactive seeds ...
Leijssen Philip - - 2009
The authors present in this brief note a technique to facilitate the introduction of high viscosity bone cement into a cement syringe for retrograde high pressure cementing during total hip or revision knee arthroplasty. The nozzle part of the syringe is connected to the suction device used intra-operatively, to achieve ...
Malmsjö Malin - - 2009
OBJECTIVE: Heart rupture is a devastating complication to negative pressure wound therapy in cardiac surgery. Also, reduced cardiac output during negative pressure wound therapy has been reported. The present study aimed to examine the effects of negative pressure wound therapy on the position of the heart in relation to the ...
Martïnez A - - 2009
Enteric fluids produced by enterocutaneous fistulae can cause severe inflammation in the surrounding skin. By removing these corrosive fluids, topical negative pressure can help maintain skin integrity and promote spontaneous closure.
Kasukurthi Rahul - - 2010
Negative pressure wound therapy (NPWT) is commonly used as a bolster for skin grafts. The technique offers the benefit of negative pressure as well as reduced dressing changes. Skin grafting of the hand provides a unique challenge, and currently, the only commercially available NPWT hand dressings are adult-sized, precluding their ...
Nease Cheryl - - 2009
The use of negative pressure wound therapy (NPWT) is well established in the management of hard-to-heal wounds. One institution, familiar with NPWT's capabilities as well as its shortcomings (eg, pain at dressing changes and pain with the maximum recommended setting of 125 mm Hg), sought a viable alternative. A low ...
Hirai M - - 2009
OBJECTIVES: To compare the interface pressure during posture changes and exercise between elastic stockings and bandages. METHODS: Using a pressure transducer (air pack-type analyzer), the interface pressures associated with three different elastic stockings and three different elastic bandages were measured during supine resting, standing and exercise in 15 healthy volunteers. ...
Ahearn Cindy - - 2009
Negative pressure wound therapy (NPWT) is used to treat a wide and growing range of problematic acute and chronic wounds. Continuous therapy delivered at -125 mm Hg has been routinely recommended, despite consistent research findings suggesting potential advantages to the use of lower pressures and intermittent therapy. To enhance understanding ...
Yamashiro Etsuko - - 2009
A 69-year-old woman presented with shivering and pain in the lower extremities on 5 April 2006; she was referred to the dermatology division of our hospital on the following day with difficulty in walking. She had been suffering from non-viral, non-alcoholic liver cirrhosis, and was being treated by the Division ...
Damstra Robert J - - 2009
Short stretch bandages are very effective in the initial management of arm lymphedema. However, no studies to date have measured the pressure required to achieve specific amounts of volume reduction. The purpose of this study was to determine whether there is a difference between low and high-pressure bandaging in terms ...
Johnson C Starck - - 2009
OBJECTIVE: To determine if a biodendrimer adhesive will seal a clear corneal cataract incision. DESIGN: An experimental study in which 2.75-mm clear corneal cataract incisions were made in 8 human donor eyes. The corneas were mounted on an artificial anterior chamber. Leaking pressure was determined in 6 corneas. These corneas ...
Naicker A S - - 2009
A 56-year-old man became quadriplegic, bed bound, and carer-dependent secondary to cervical osteomyelitis. Three years later, he presented with generalised spasticity, crouched posture, and a large sacral pressure sore. The severe spasticity in his hips and knees prevented ischial sitting. Injections of botulinum toxin type A to both hamstrings and ...
Witkowski Wojciech - - 2009
Topical Negative Pressure (TNP) has become an accepted intervention in wound healing with a growing body of scientific literature supporting the effectiveness of TNP across a wide variety of wound aetiologies. The range of TNP devices has also increased with perhaps the primary distinction being between those TNP devices that ...
Bartlett Gavin E - - 2009
High pressures around implants can cause bone lysis and loosening. We investigated how pressures are generated around cemented femoral stems. We compared the pressures generated by rough and polished tapered stems at their cement interfaces, in an in vitro model, before and after 1 million load cycles. At the start ...
Ogbemudia, AO; ;
The safety of the pneumatic tourniquet lies in the fact that the pressure generated beneath it can be determined and is reproducible unlike the rubber bandage tourniquet with subjective and irreproducible tissue pressure. Application of the rubber bandage over the cuff of an aneroid sphygmomanometer enabled direct determination of tourniquet ...
Park Chan J - - 2009
Pressure ulcers are a significant healthcare concern, especially for elderly populations. Our work served to ameliorate the chronicity of these ulcers by addressing ischemia-reperfusion injury mediated by neutrophils and the concomitant loss of vasculature in these wounds. To this end, chitosan scaffolds loaded with basic fibroblast growth factor (bFGF) contained ...
Wilkes R - - 2009
Vacuum-assisted closure (VAC) therapy, also referred to as vacuum-assisted closure negative pressure wound therapy (VAC NPWT), delivered to various dermal wounds is believed to influence the formation of granulation tissue via the mechanism of microdeformational signals. In recent years, numerous experimental investigations have been initiated to study the cause-effect relationships ...
Stiefel Dorothea - - 2009
BACKGROUND: Integra artificial skin (Integra) (Integra Life Sciences Corporation, Plainsboro, NJ) is increasingly used as a skin substitute in reconstructive surgery. However, reliable fixation to the wound bed, a factor of paramount importance for successful application, is often hard to achieve. The vacuum-assisted closure system (VAC; KCI, Switzerland), a well-established ...
Malmsjö Malin - - 2009
Negative-pressure wound therapy (NPWT), also known as topical negative-pressure therapy, is widely used to manage wounds and accelerate healing. NPWT has so far been delivered mainly via open-cell polyurethane foam, but increasing interest has been directed toward delivering NPWT via gauze. In the present study, the early effects of NPWT ...
McNulty Amy K - - 2009
Negative pressure wound therapy (NPWT) using reticulated open cell foam dressing (ROCF) is effective for treatment of recalcitrant wounds; however, the effects of this therapy on cellular metabolism remain to be elucidated. The effect of two different subatmospheric pressure applications on the cell energetics of human fibroblasts grown in a ...
Garabekyan Tigran T Department of Orthopaedic Surgery, University of California San Diego, San Diego, CA 92103-8894, - - 2009
Acute compartment syndrome (ACS) is the result of decreased perfusion pressure (PP), and the diagnosis frequently requires invasive monitoring. Our objective was to test a new noninvasive ultrasound device for correlating PP with measurements of fascial displacement in a controlled porcine model of ACS. We hypothesized that fascial displacement in ...
Welvaart Willem N - - 2009
Wound complications following surgical resection in patients treated with neoadjuvant chemoradiation therapy are common and can be a difficult problem to manage. Negative pressure dressing technology appears to be safe and effective in the treatment of radiation-associated wound complications and can be used in the outpatients clinic setting. The presented ...
Mokhtari Arash - - 2009
Previous research has shown -125 mmHg to be the optimal negative pressure for creating an environment that promotes wound healing, and this has therefore been adopted as a standard pressure for patients with deep sternal wound infection. However, it has not yet been clearly shown that -125 mmHg is the ...
Park Christopher A - - 2009
Integra (Integra Lifesciences Corporation, Plainsboro, NJ) has been used in a variety of reconstructive surgical procedures. The application of Integra using subatmospheric pressure (V.A.C., Kinetic Concepts, Inc, San Antonio, TX) has been suggested to be easier, faster, and more consistent than previous dressings, allowing grafting as soon as 1 week ...
Kairinos Nicolas N Department of Plastic and Reconstructive Surgery and the Martin Singer Hand Unit, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa. - - 2009
Does negative-pressure wound therapy reduce or increase the pressure of wound tissues? This seemingly obvious question has never been addressed by a study on living tissues. The aim of this study was to evaluate the nature of tissue pressure changes in relation to negative-pressure wound therapy. Three negative-pressure wound therapy ...
Kairinos Nicolas N Department of Plastic Surgery, University of Cape Town, Cape Town, South Africa. - - 2009
A recent study demonstrated that negative-pressure wound therapy increases underlying tissue pressure. This finding is incongruous with studies using laser Doppler that show that perfusion is immediately increased on initiation of suction. This study investigated perfusion in negative-pressure wound therapy using two alternative modalities. Radioisotope perfusion imaging was used to ...
Taira Breena R - - 2010
BACKGROUND: Several non-invasive wound-closure devices are available. Clinical studies of low-tension lacerations suggest similar clinical outcomes with these devices. OBJECTIVE: We compared the wound-bursting strengths (WBS) of octyl-cyanoacrylate (Dermabond), butyl-cyanoacrylate (Histoacryl Blue), and adhesive tape (Steri-Strips). METHODS: Design-randomized, controlled, blinded experiment. Setting-university-based division of laboratory animal research. Subjects-15 Sprague-Dawley rats ...
Marko, Alexei John
While the use of pneumatic surgical tourniquet systems to maintain a bloodless surgical field in limb surgeries has become commonplace, their use may occasionally result in serious complications such as nerve injury and there is evidence that some injury occurs as a result of each usage. It is commonly accepted ...
Murphey Gary C - - 2009
Negative pressure wound therapy has become ubiquitous in orthopedic surgery and it is therefore important to understand the physiologic conditions of this therapy. The purpose of this study was to determine the magnitude and depth of negative pressure transmission into underlying muscle tissue in a wound model. We hypothesized that ...
Glaser Jacob J - - 2009
Warfare-related torso/abdominal wounds are often unique and complex and can pose a significant reconstructive challenge. The objective of this manuscript is to report the unique and successful management of a complex warfare-related abdominal wound. A dermal regenerate template in combination with negative pressure wound therapy was used to reconstitute lateral ...
McIe Stacie - - 2009
BACKGROUND: Pressure dressings have been used as the standard following sheath removal after percutaneous transluminal angioplasty in many institutions. Patients complain about discomfort while the dressing is in place, pain when the dressing is removed after discharge, and skin complications afterward. Many patients have experienced skin irritation where tape has ...
Fife C E - - 2009
Transcutaneous oximetry (PtcO2) is finding increasing application as a diagnostic tool to assess the peri-wound oxygen tension of wounds, ulcers, and skin flaps. It must be remembered that PtcO2 measures the oxygen partial pressure in adjacent areas of a wound and does not represent the actual partial pressure of oxygen ...
Cheatham Michael L - - 2009
"Intra-abdominal hypertension", the presence of elevated intra-abdominal pressure, and "abdominal compartment syndrome", the development of pressure-induced organ-dysfunction and failure, have been increasingly recognized over the past decade as causes of significant morbidity and mortality among critically ill surgical and medical patients. Elevated intra-abdominal pressure can cause significant impairment of cardiac, ...
Vrouwenvelder J S - - 2009
In an earlier study, it was shown that biofouling predominantly is a feed spacer channel problem. In this article, pressure drop development and biofilm accumulation in membrane fouling simulators have been studied without permeate production as a function of the process parameters substrate concentration, linear flow velocity, substrate load and ...
Sciortino Christopher M - - 2009
This article describes a patient who developed severe subcutaneous emphysema and a persistent air leak after several attempts at needle thoracostomy for what was thought to be a tension pneumothorax. Subcutaneous emphysema was effectively treated with a topical negative pressure wound therapy dressing applied to a typical subfacial "blowhole" incision. ...
Ergul Emre - - 2009
BACKGROUND: Enoxaparin is an important molecule which had been using in prophylaxis and treatment of deep venous thrombosis. Also, it is showed that it prevents postsurgical peritoneal adhesions in rats. It is aimed to evaluate its effects on gastrointestinal wound healing. METHODS: Thirty Wistar albino rats were divided into three ...
Wild Thomas - - 2008
Redon drains are still used to suction wounds for vacuum sealing. Vacuum-assisted closure (V.A.C.((R)); Kinetic Concepts Inc, San Antonio, TX) is a computer-controlled therapy system for delivering topical negative pressure therapy. The efficiency of V.A.C. in the treatment of pressure ulcers was prospectively studied in a randomised controlled trial in ...
Vrouwenvelder J S - - 2009
Biofouling was studied in full-scale and pilot-scale installations, test-rigs and membrane fouling monitors by conventional methods as well as Magnetic Resonance Imaging (MRI). Independent of permeate production, the feed spacer channel pressure drop and biomass concentration increased similarly in a nanofiltration pilot installation. In the presence of a feed spacer ...
Kairinos Nicolas - - 2010
Negative-pressure wound therapy (NPWT) has revolutionised wound care. Yet, it is still not understood how hypobaric tissue pressure accelerates wound healing. There is very little reported on the relevant physics of any substance subjected to suction in this manner. The common assumption is that applying suction to a substance is ...
Ceelen K K - - 2008
Prolonged mechanical loading of soft tissues adjacent to bony prominences can lead to degeneration of muscle tissue, resulting in a condition termed pressure-related deep tissue injury. This type of deep pressure ulcers can develop into a severe wound, associated with problematic healing and a variable prognosis. Limited knowledge of the ...
Webb Lawrence X - - 2008
There are currently 2 main theories regarding the mechanism of action of negative pressure wound therapy with reticulated open cell foam (NPWT/ROCF) as delivered by V.A.C.(R) Therapy (KCI, San Antonio, TX). The first is based on the stimulatory effect of microstrain on cellular mitogenesis, angiogenesis, and elaboration of growth factors. ...
Thomas Raenell - - 2008
Pressure ulcers are localized skin injuries secondary to unrelieved pressure or friction. Patients with immobility issues are at increased risk for developing pressure ulcers. In 2004, stricter federal regulations for prevention and treatment of pressure ulcers in institutional settings--eg, long-term care facilities--were introduced. Effective, low-cost treatments for pressure ulcers are ...
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