Medical Devices & Surgical Technology Week articles from September 2008

Medical Devices & Surgical Technology Week archives from September 2008

JAMA Publishes Study Results on Efficacy of the Bard Agento I.C. Silver-Coated Endotracheal Tube in Preventing Ventilator-Associated Pneumonia.(Clinical report)
September 7, 2008... C. R. Bard, Inc. (NYSE: BCR) announced the publication of the North American Silver-Coated Endotracheal Tube (NASCENT) clinical study results in the August 20, 2008 edition of the Journal of the American Medical Association (JAMA). The NASCENT...

Medtronic First Quarter Revenue up 19 Percent to $3.706 Billion.(Financial report)
September 7, 2008... Medtronic, Inc. (NYSE:MDT) announced financial results for its first quarter of fiscal year 2009, which ended July 25, 2008 (see also Medtronic, Inc.). Medtronic recorded first quarter revenue of $3.706 billion, a 19 percent increase over...

Scientists at University of South Australia discuss research in acid reflux disease.
September 7, 2008... According to a study from Australia, " Changes in the expression of mucin genes in the esophageal mucosa associated with uncomplicated gastro-esophageal reflux disease have not been evaluated even though such changes could be associated with...

Research from Yokohama City University, Medical Department provides new data about adenocarcinoma.
September 7, 2008... According to recent research published in the journal Pathology International, "Reported herein is a case of endometrial adenocarcinoma without myometrial invasion that metastasized to the pancreas in a 69-year-old Japanese woman who had a...

Research on adenocarcinoma described by T. Tsuzuki and colleagues.
September 7, 2008... According to recent research from Tokyo, Japan, "Coexistence of pulmonary adenocarcinoma and pleural malignant mesothelioma is extremely rare, although both are asbestos-related. Herein is presented a rare case of coalescent lung tumor made up...

Research on arthroscopy discussed by M. Tryfonidis and co-researchers.
September 7, 2008... "There have been limited studies assessing the relative safety of lateral portals for subtalar arthroscopy in terms of their distance from the sural nerve and its branches. The aim of this cadaveric study was to assess and compare the distance...

New findings from University of Minnesota in the area of biochemistry described.
September 7, 2008... According to a study from the United States, "Spin-labeling and multifrequency EPR spectroscopy were used to probe the dynamic local structure of skeletal myosin in the region of force generation. Subfragment 1 (S1) of rabbit skeletal myosin...

Research from K. Wood et al has provided new information about biophysics.
September 7, 2008... According to a study from Grenoble, France, "The function and dynamics of proteins depend on their direct environment, and much evidence has pointed to a strong coupling between water and protein motions. Recently however, neutron scattering...

Data on bone and joint surgery described by researchers at Kyoto University.
September 7, 2008... "We reviewed 44 consecutive revision hip replacements in 38 patients performed using the cement-in-cement technique. All were performed for acetabular loosening in the presence of a well-fixed femoral component," researchers in Kyoto, Japan...

New bone and joint surgery research has been reported by A.A. Shetty et al.
September 7, 2008... According to a study from London, the United Kingdom, "The diagnosis of a meniscal tear may require MRI, which is costly. Ultrasonography has been used to image the meniscus, but there are no reliable data on its accuracy." "We performed a...

New findings in bone and joint surgery described by N.J. Little and co-researchers.(Clinical report)
September 7, 2008... "We compared the outcome of patients treated for an intertrochanteric fracture of the femoral neck with a locked, long intramedullary nail with those treated with a dynamic hip screw (DHS) in a prospective randomised study. Each patient who...

Research from Mayo Clinic in bone and joint surgery provides new insights.
September 7, 2008... According to a study from the United States, "Transfer of pectoralis major has evolved as the most favoured option for the management of the difficult problem of irreparable tears of subscapularis. We describe our experience with this technique...

Research from Yonsei University, Medical Department yields new findings on bone and joint surgery.
September 7, 2008... "We undertook a retrospective review of 24 arthroscopic procedures in patients with symptomatic ossicles around the malleoli of the ankle. Most of the patients had a history of injury and localised tenderness in the area coinciding with the...

Researchers at University of Leeds release new data on bone and joint surgery.
September 7, 2008... According to recent research published in the Journal of Bone and Joint Surgery - British Volume, "Nanometre-sized particles of ultra-high molecular weight polyethylene have been identified in the lubricants retrieved from hip simulators....

Researchers from Ottawa Hospital detail new studies and findings in the area of bone and joint surgery.
September 7, 2008... "Damage to and repair of the acetabular labral-chondral complex are areas of clinical interest in the treatment of young adults with pain in the hip and in the prevention of degenerative arthritis of the hip. There are varying theories as to...

Studies in the area of bone and joint surgery reported from Keele University.
September 7, 2008... "There is a trend towards the use of double-bundle techniques for the reconstruction of the anterior cruciate ligament. This has not been substantiated scientifically," researchers in the United Kingdom report (see also Bone and Joint Surgery)....

Study results from National Defense Medical College, Medical College broaden understanding of bone and joint surgery.
September 7, 2008... According to a study from Tokorozawa, Japan, "Most injuries to the femoral nerve are iatrogenic in origin and occur during resection of large retroperitoneal tumours. When the defect is considerable a nerve graft is mandatory to avoid tension...

Investigators at Hoshi University publish new data on chromatography.
September 7, 2008... "A method for the simultaneous measurement of benzophenone (BP) sunscreen compounds, its derivatives 2,4-dihydroxybenzophenone (BP-1), 2-hydroxy-4-methoxybenzophenone (BP-3), 2-hydroxy-4methoxy-4'-methylbenzophenone (BP-10),...

New chromatography study findings have been published by H. Saito and colleagues.
September 7, 2008... According to recent research from Yokohama, Japan, "Novel fatty acids originated from the two cold-seep mussels Bathymodiolusjaponicus and Bathymodiolus platifrons, which host methane-oxidizing bacteria, were determined by using gas...

New chromatography study findings reported from H.D. Qiu and co-authors.
September 7, 2008... "Two new silica-based long-chain alkylimidazolium stationary phases were prepared and characterized for their use in high-performance liquid chromatography," investigators in Lanzhou, People's Republic of China report (see also Chromatography)....

Recent findings from F. He and co-authors highlight research in chromatography.
September 7, 2008... According to recent research from Wuhan, People's Republic of China, "A polysaccharide was isolated from the broth of cultured Streptomyces virginia H03 which was treated by ethanol deposition and savage method to remove the protein, and was...

Recent findings from University of Helsinki highlight research in chromatography.
September 7, 2008... According to recent research from Helsinki, Finland, "Mass transfer from the first-dimension to the second-dimension column in comprehensive two-dimensional gas chromatography (GC x GC) is normally quantitative, which means that the peak areas...

Reports from S.S.H. Ho and colleagues advance knowledge in chromatography.
September 7, 2008... According to recent research from the United States, "Thermal desorption coupled with gas chromatography/mass spectrometry (TD-GC/MS) is an alternative to solvent extraction (SE)-based GC/MS (SE-GC/MS) for the analysis of non-polar organic...

Research conducted at Z.X. Cai and co-authors has provided new information about chromatography.
September 7, 2008... According to a study from Hangzhou, People's Republic of China, "The present study used the liquid extraction pretreatment method and developed an ultra-performance liquid chromatography triple quadrupole tandem mass spectrometry (UPLC-MS/MS)...

Research from M. Ilic and co-researchers provides new data on chromatography.
September 7, 2008... According to a study from Magdeburg, Germany, "In order to estimate single solute adsorption isotherms, the nonlinear frequency response (FR) of a chromatographic column is analyzed experimentally and evaluated using the concept of higher order...

Research from National Technical University reveals new findings on chromatography.
September 7, 2008... According to a study from Athens, Greece, "The reaction concerning the hydrogenation of 1-butene has occupied the researchers conducting research based on the method of reversed-flow inverse gas chromatography (RF-IGC), for extended time...

Scientists at Food & Drug Administration discuss research in chromatography.
September 7, 2008... According to recent research published in the Journal of Chromatography a, "Thiocyanate ranks after perchlorate as a potent inhibitor of iodide uptake by the thyroid but may be more concentrated in some food items such as milk products as to...

Studies from Fourth Military Medical University reveal new findings on chromatography.
September 7, 2008... According to recent research from Xian, People's Republic of China, "A new method based on micelle-mediated extraction and cloud-point preconcentration was developed for the separation and determination of hydrophobic compounds osthole and...

Study data from University of Valencia provide new insights into chromatography.
September 7, 2008... "During and after the application of currently used pesticides (CUPs) a significant fraction of applied pesticides can be lost to the air. A confirmatory and rapid procedure has been developed for the determination of four fungicides...

Study results from R.C. Clarke and colleagues broaden understanding of critical care medicine.(Report)
September 7, 2008... "The purpose of this study was to estimate the exposure of trainees to airway management techniques in an Australian tertiary adult teaching hospital. Anaesthesia records for all patients over a 20-week period were reviewed and the following...

Researchers from Free University report on findings in cytology.
September 7, 2008... According to recent research from Brussels, Belgium, " To compare 2 different series of fine needle aspirations (FNA) performed by conventional smears (CS) and liquid-based cytology (TriPath PREP). Design From January 1, 2001, to December 31,...

New DNA research data have been reported by D.I. Lin and co-authors.
September 7, 2008... According to a study from the United States, "During late M and early G(1), MCM2-7 assembles and is loaded onto chromatin in the final step of prereplicative complex (pre-RC) formation. However, the regulation of MCM assembly remains poorly...

New DNA research reported from Cornell University.
September 7, 2008... According to recent research from the United States, "A method is presented to rapidly and precisely measure the conformation, length, speed, and fluorescence intensity of single DNA molecules constrained by a nanochannel. DNA molecules were...

Reports summarize DNA research from University of Manchester.(Report)
September 7, 2008... "The richness of the burials in Grave Circle B at Mycenae, Greece indicates that the 35 people interred there held elite status during their lifetimes 3500 years ago. It has been speculated that the groups of burials represent different...

New echinococcosis data have been reported by K.S. Babu and co-authors.
September 7, 2008... " Hydatid disease is caused by Echinococcus granulosus, endemic in cattle and sheep-raising regions of the world such as Central Europe, South America, Australia, New Zealand and South Africa. Although hydatid disease is more common in liver...

New ectopic pregnancy study findings have been reported by J.X. Lin and colleagues.
September 7, 2008... According to recent research from Nanjing, People's Republic of China, "Ectopic pregnancy, in which the fertilized ovum implants on any tissue other than the endometrium, is the most common life-threatening emergency in the first trimester of...

Research conducted at K. Kismet and co-authors has provided new information about gastrointestinal surgery.(Report)
September 7, 2008... According to a study from Ankara, Turkey, " This study was designed to examine the effects of propolis on the liver and biliary system when used as a scolicidal agent. Materials and Methods Thirty Wistar-Albino rats were divided into two...

Researchers at University of Ioannina, Medical Department target leiomyosarcoma.
September 7, 2008... According to recent research from Ioannina, Greece, " Leiomyosarcomas of the,breast are a rare subgroup of primary breast sarcomas. Even more rare is breast metastasis extramammary leiomyosarcoma." "To date, only 4 cases have been reported...

Data from Medical University of Gdansk advance knowledge in liquid chromatography.
September 7, 2008... According to recent research published in the journal Chromatographia, "Previous studies demonstrated that quantitative structure-retention relationships (QSRR) combined with the linear solvent strength (LSS) model allow for prediction of...

Findings from Sichuan University provide new insights into liquid chromatography.
September 7, 2008... According to recent research published in the journal Lipids, "Liquid chromatography-ion trap mass spectrometry (LC/ITMS) was employed for a metabolic kinetics study of tert-butylhydroquinone (TBHQ) and its metabolites in rat serum after oral...

Data on mass spectrometry described by researchers at Technical University of Dresden.
September 7, 2008... "A rapid headspace solid-phase microextraction-gas ch romatography- mass spectrometry (HS-SPMEGC-MS) method has been developed for the determination of anethole in serum samples. Anethole is a characteristic marker for the consumption of...

Findings from S. Daniilia et al in microscopy reported.
September 7, 2008... According to a study from Ormylia, Greece, "The old katholikon of St Stephen's monastery at the Meteora (site of the most important complex of monasteries in Greece after Mount Athos) is decorated with wall paintings that date from the...

Reports from Indiana University, Medical Department describe recent advances in neurosurgery.
September 7, 2008... "Lateral mass screws are traditionally used to fixate the subaxial cervical spine, while pedicle screws are used in the thoracic spine. Lateral mass fixation at C-7 is challenging due to thin facets, and placing pedicle screws is difficult due...

Studies from D.G. Placantonakis and co-researchers yield new data on neurosurgery.
September 7, 2008... "In this retrospective analysis the authors describe the assessment and outcomes of 90 patients who underwent placement of posterior instrumentation at the cervicothoracic junction following the resection of a primary or metastatic tumor during...

Recent studies by S. Sandhu and co-authors add new data to oral and maxillofacial surgery findings.
September 7, 2008... According to recent research published in the Journal of Oral and Maxillofacial Surgery, "The aim of the study was to assess changes in the angular position and eruption status of third molars in students of an Asian Indian population during a...

Research from University of Frankfurt in the area of oral and maxillofacial surgery published.
September 7, 2008... "The purpose of the study was assessment of whether open reduction and internal fixation of high nondisplaced, nondislocated diacapitular fractures (Class VI according to Spiessl and Schroll) have better 1-year results compared with closed...

Findings from P. Fudalej and co-authors provide new insights into orthodontics.(Report)
September 7, 2008... "The purpose of this study was to test the hypotheses that (1) pronounced postadolescent anterior mandibular rotation is associated with relapse of mandibular incisor alignment and (2) mandibular anterior rotation is conducive to more severe...

New findings reported from O.M. Tanaka and co-authors describe advances in orthodontics.
September 7, 2008... According to recent research from Curitiba, Brazil, "Onychophagia, or nailbiting, is a common oral habit, observed in both children and adults." "The etiologies suggested for nailbiting include anxiety, stress, loneliness, imitation of...

New orthodontics study results from B.M. Soegiharto et al described.(Report)
September 7, 2008... According to recent research from London, the United Kingdom, "In this study, we aimed to determine the effectiveness of the skeletal maturation index (SMI) and the cervical vertebrae maturation (CVM) index in discriminating between patients...

New orthodontics study results reported from A. Boccaccio et al.(Report)
September 7, 2008... According to recent research from Bari, Italy, "In this study, we aimed to analyze the displacement field and the level of stability for a human mandible that had symphyseal distraction osteogenesis. The mandible was fitted with various...

Recent findings in orthodontics described by B.M. Soegiharto and colleagues.(Report)
September 7, 2008... "The purpose of this study was to describe the stages of skeletal maturity of Deutero-Malay Indonesian children according to the hand-wrist and cervical vertebrae methods and to compare them with white children. The study included 2167 patients...

Recent studies from Dicle University add new data to orthodontics.(Report)
September 7, 2008... According to recent research from Diyarbakir, Turkey, "The purposes of this study were to assess the shear bond strength, the surface characteristics, and the adhesive remnant index scores of teeth prepared for bonding with erbium, chromium...

Reports from P.D. Lowder and colleagues advance knowledge in orthodontics.(Report)
September 7, 2008... According to a study from the United States, "The purpose of this study was to investigate the shear peel bond strength (SPBS) and resin remnant retention after removal of orthodontic brackets bonded with 1 of 4 orthodontic adhesives (Transbond...

Research from Nippon Dental University in the area of orthodontics published.(Report)
September 7, 2008... "This study was conducted (1) to compare the bond strengths of identical orthodontic brackets bonded to deciduous and permanent teeth with either of 2 primer/adhesive systems and (2) to evaluate the modes of bracket/adhesive failure....

Studies from Ataturk University add new findings in the area of orthodontics.(Report)
September 7, 2008... "The purpose of this study was to investigate dental and skeletal asymmetry in patients who had unilateral first molar extractions. Two study groups were formed according to the location of the extracted first molars," researchers in Erzurum,...

Studies from Cukurova University provide new data on orthodontics.(Report)
September 7, 2008... According to recent research published in the American Journal of Orthodontics and Dentofacial Orthopedics, "The aim of this study was to determine the bond strength of rebonded mechanically retentive ceramic brackets after treatment with 2...

Studies from Kyushu University yield new information about orthodontics.
September 7, 2008... "Many researchers have attempted to clarify the complex relationships between stomatognathic function and craniofacial morphology. Most studies investigated the trajectories of incisal or condylar points and measured temporomandibular...

Studies from University of Iowa yield new data on orthodontics.(Report)
September 7, 2008... "Self-etching primers (SEPs) have been used successfully during bonding to reduce technique sensitivity while minimizing the etching of enamel. Although serving the same purpose, SEPs differ in acidity and aggressiveness," scientists in the...

New orthopedics and trauma surgery research from Y. Ishii and co-researchers described.(Report)
September 7, 2008... " This study focused on the change in the range of motion (ROM) during the perioperative period, i.e., the preoperative and intraoperative ROM, and that on discharge, and compared the difference between posterior cruciate ligament-retaining...

New orthopedics and trauma surgery research has been reported by scientists at Medical University of Innsbruck.
September 7, 2008... According to recent research from Innsbruck, Austria, " Distal forearm fractures in younger adults are rare injuries resulting from high energy trauma. Treatment options vary from cast fixation, external fixator, percutaneus pinning and open...

New research on orthopedics and trauma surgery from National University summarized.
September 7, 2008... According to recent research published in the journal Archives of Orthopaedic and Trauma Surgery, " Variable degrees of bony deficiencies often complicate revisional arthrolasties of acetabular components and represent challenges to orthopedic...

Research from University of Auckland has provided new data on pacemakers.(Report)
September 7, 2008... According to a study from Auckland, New Zealand, "Unitary potential (UP) depolarizations are the basic intracellular events responsible for pacemaker activity in interstitial cells of Cajal (ICCs), and are generated at intracellular sites...

New plastic surgery research from Seoul National University, Medical Department discussed.
September 7, 2008... "Ten callus distraction-lengthening procedures were performed in 10 distal phalanges to correct contracted nail deformities. The average age of the patients was 28.8 (14 similar to 41) years," researchers in Seoul, South Korea report (see also...

New plastic surgery study findings have been published by scientists at Erasmus University.
September 7, 2008... "Although traumatic facial nerve paralysis is a severe handicap, there are no follow-up studies evaluating outcome after primary repair of traumatic facial nerve injuries. From May 1988 to August 2005, 27 patients (mean age, 27 years) were...

Report summarizes plastic surgery study findings from J.M. Cooper and co-researchers.
September 7, 2008... According to a study from the United States, "We reviewed our experience with 3 operative techniques for abdominal panniculectomies to determine differences in complication rates and levels of patient satisfaction. This retrospective study...

Reports by M. Oruc and co-researchers describe recent advances in plastic surgery.(Report)
September 7, 2008... According to a study from Ankara, Turkey, "The digital fibroosseous Pulley system is essential for Optimum function of the flexor tendons and the continuation of normal hand functions. Different materials have been used for Pulley...

Reports summarize plastic surgery study results from Harvard University, Medical Department.
September 7, 2008... "Mastopexy and reduction mammaplasty reshape breast parenchyma and restore youthful contour in women with ptotic breasts. However, recurrent ptosis and breast base widening are common," scientists in the United States report (see also Plastic...

Research on plastic surgery detailed by S. Eo and co-authors.
September 7, 2008... According to a study from South Korea, "The dorsalis pedis flap has demonstrated considerable versatility in the reconstruction of composite soft-tissue defects of the hand. It has the potential benefit of being thin and pliable, having...

Studies from E.O. Terino and colleagues yield new information about plastic surgery.
September 7, 2008... According to recent research from the United States, "Recent advances in the technology of implant designs and shapes, as well as improved understanding of the principles of facial aesthetics, give the plastic surgeon, for the first time, tools...

Study data from G.H. Sasaki and co-authors update knowledge of plastic surgery.
September 7, 2008... According to recent research published in the journal Clinics in Plastic Surgery, "This article presents the author's personal approach to the lower lid and midface." "The approach is based on a systematic process of determining which...

Study results from D.J. Rowe and colleagues update understanding of plastic surgery.
September 7, 2008... According to recent research published in the journal Clinics in Plastic Surgery, "Endoscopic forehead rejuvenation has several advantages over traditional open techniques. First, large incisional scars are avoided." "Second, the chances...

Findings from M. Ohebshalom and co-researchers advance knowledge in prostatectomy.
September 7, 2008... According to a study from the United States, "To define haemodynamic changes after radical retropubic prostatectomy (RP) and the predictive value of these for the outcome of erectile function (EF), as although there are predictors of the...

Research results from Johns Hopkins University update knowledge of prostatectomy.
September 7, 2008... According to recent research from the United States, "Capsular incision (CI) refers to the urologist transecting either benign or malignant prostatic tissue, where the edge of the prostate in this region is left within the patient. Histologic...

Study results from Johns Hopkins University broaden understanding of prostatectomy.
September 7, 2008... "Erectile dysfunction remains a major functional complication of radical prostatectomy in the modern era despite surgical techniques to preserve the penile autonomic nerve supply. To develop and evaluate a neurostimulation system for cavernous...

Findings from University of Tokushima in prosthodontics reported.
September 7, 2008... According to recent research published in the International Journal of Prosthodontics, "Occlusal force analysis was retrospectively evaluated to clarify the proximal contact loss after fixed implant prosthesis placement. Twenty-eight patients...

Investigators at University of Bergen publish new data on prosthodontics.(Report)
September 7, 2008... "The aim of this study was to compare the clinical performance of metal-ceramic crowns made with an experimental alloy prepared by the Nordic Institute of Dental Materials, containing 15% zirconium and 85% titanium (Ti-15% Zr), and a high noble...

New prosthodontics findings from University of Giessen published.(Report)
September 7, 2008... "The aim of this study was to evaluate the change in occlusal force at denture dislodgement (OFD) in patients with poorly fitting complete dentures after improvement," researchers in Giessen, Germany report (see also Prosthodontics). "In...

New prosthodontics findings from University of Oulu described.
September 7, 2008... According to recent research from Oulu, Finland, "The aim of this clinical retrospective study was to evaluate the survival and success of single metal-ceramic crowns after 20 years. The biologic and technical complications as well as patient...

Researchers from University of Giessen provide details of new studies and findings in the area of prosthodontics.(Report)
September 7, 2008... According to a study from Giessen, Germany, "This study aimed to analyze the influence of impression technique (pick-up versus reposition) and material on the accuracy of the working cast. Sixty impressions were made with 3 materials from a...

Study data from J.S. Brudvik and colleagues update understanding of prosthodontics.
September 7, 2008... In this recently published study, investigators in the United States conducted a study "To identify and measure distortions inherent in the casting process of a Class III mandibular cobalt-chromium (Co-Cr) framework to illustrate the problems...

Study findings on pterygium are outlined in reports from University of Toronto.
September 7, 2008... In this recently published article, scientists in Toronto, Canada conducted a study "To compare the long-term outcomes and recurrence rate of extensive versus limited subconjunctival pterygium excision with conjunctival autograft. This...

New findings from University of Tubingen in the area of spectroscopy described.
September 7, 2008... According to recent research published in the European Biophysics Journal with Biophysics Letters, "We have studied the kinetics of the phase-separation process of mixtures of colloid and protein in solutions by real-time UV-vis spectroscopy....

New findings in spectroscopy described from Northeastern University.
September 7, 2008... "The low-frequency mode activity of metal loporphyrins has been studied for iron porphine-halides (Fe(P)(X), X = CI, Br) and nitrophorin 4 (NP4) using femtosecond coherence spectroscopy (FCS) in combination with polarized resonance Raman...

New spectroscopy findings from University of Utah described.
September 7, 2008... "The dependence of 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) flip-flop kinetics on the lateral membrane pressure in a phospholipid bilayer was investigated by sum-frequency vibrational spectroscopy. Planar-supported lipid bilayers were...