Medical Devices & Surgical Technology Week articles from December 2008

Medical Devices & Surgical Technology Week archives from December 2008

Sudden Cardiac Arrest Association Publishes 'Saving Lives in Schools and Sports' Booklet to Encourage Broader Use of Defibrillators.
December 7, 2008... The Sudden Cardiac Arrest Association (SCAA) has published its "Saving Lives in Schools and Sports" reference booklet for school and sports administrators, athletic trainers, school nurses, and parent-teacher associations to use in building...

Research from R.J. Cade and co-authors yields new data on acid reflux disease.
December 7, 2008... According to recent research from Box Hill, Australia, "One of the potential consequences of carrying out a Heller's myotomy for achalasia is gastro-oesophageal reflux. Whether it is frequent or severe enough to warrant the routine addition of...

Study results from Boston University, Medical Department in the area of adrenalectomy published.
December 7, 2008... According to recent research from the United States, "Laparoscopic adrenalectomy has become an accepted method for removing benign lesions of the adrenal gland. There are few contraindications to the laparoscopic approach, and the...

New findings from V.A. Streltsov and co-authors in the area of Alzheimer disease published.
December 7, 2008... "Neurodegeneration observed in Alzheimer disease (AD) is believed to be related to the toxicity from reactive oxygen species (ROS) produced in the brain by the amyloid-beta (Ab) protein bound primarily to copper ions. The evidence for an...

Research from Chinese University of Hong Kong in the area of ambulatory surgery published.
December 7, 2008... According to a study from Hong Kong, People's Republic of China, "The aim of this retrospective study was to assess the feasibility and outcome of day case thyroidectomy in an ambulatory surgery centre in Hong Kong. Patients with day case...

Findings in arthroplasty reported from Ewha Womans University.
December 7, 2008... "The range of motion, the stability of the knee, and the prevalence of radiolucent lines in 68 posterior cruciate-retaining (CR) total knee arthroplasties (TKAs) with a retained, but balanced, posterior cruciate ligament were compared with...

Studies from M.R.G. Hendrix et al in the area of arthroplasty described.
December 7, 2008... According to a study from the United States, "In this series, a failed first-generation patellofemoral arthroplasty was revised to a second-generation prosthesis. Fourteen knees were prospectively followed up for a mean of 60 months." ...

Reports from J.A. Perper et al highlight recent research in autopsy.
December 7, 2008... "Context.-The investigation of high-profile fatalities poses special challenges to medical examiners and coroners. Most high-profile cases can be readily recognized early in the course of the investigation," scientists writing in the journal...

Findings in bone and joint surgery reported from D.L. Muscolo and co-researchers.(Report)
December 7, 2008... "In the management of a resected distal femoral or proximal tibial condyle as the result of tumor or trauma, a unicondylar osteoarticular allograft is currently the only reconstructive option that avoids the sacrifice of the unaffected condyle....

Study findings on bone and joint surgery are outlined in reports from S.M. Raikin and colleagues.(Report)
December 7, 2008... "Currently, arthrodesis is the most commonly performed surgical procedure for the treatment of severe arthritis of the first metatarsophalangeal joint. The objective of this study was to compare the long-term clinical and radiographic outcomes...

Studies in the area of clubfoot reported from Yuzuncu Yil University, Medical Department.
December 7, 2008... According to recent research from Van, Turkey, "Achilles tenotomy is performed for the residual equinus deformity in the Ponseti method of clubfoot treatment. In the present article, we describe a mini-open Achilles tenotomy technique to...

New findings in contact lens described from University of California.
December 7, 2008... According to recent research from the United States, "Robert B. Mandell is the quintessential modern clinical scientist." "Over his long academic career, he has pioneered many advances in contact lens practice, ranging from a more complete...

Studies from H. Pult et al further understanding of contact lens.(Report)
December 7, 2008... According to recent research published in the journal Optometry and Vision Science, "Although comfort is important for contact lens wearers, common clinical tests can fail to predict patients' symptoms. Lid wiper epithehopathy (LWE) and lid...

Research findings from Hadassah University update understanding of curettage.
December 7, 2008... According to recent research from Jerusalem, Israel, " Endometrial thickness is important for implantation. Little data addresses the etiology of persistently thin endometrium." "We present a patient cohort in order to define common...

Logan College of Chiropractic details research in dislocations.
December 7, 2008... "We present, for the first time, a detailed damage assessment of a large-diameter metal-on-metal (L-MOM) hip prosthesis to show the extent of surface damage that can occur in a patient after multiple dislocations. The patient was a man (51...

Findings in DNA research reported from V.K. Gopinath and co-researchers.(Report)
December 7, 2008... "Amelogenesis imperfecta (AI) is a developmental defect of dental enamel formation. This enamel defect can be caused by mutation in ENAM gene," investigators in Sharjah, United Arab Emirates report (see also DNA Research). "Hence this...

Research on DNA research reported by scientists at University of Hamburg.
December 7, 2008... "Since cdc48 mutants were isolated by the first genetic screens for cell division cycle (cdc) mutants in yeast, the requirement of the chaperone-like ATPase Cdc48/p97 during cell division has remained unclear. Here, we discover an unanticipated...

Studies from University of Massachusetts, Medical Department yield new information about DNA research.
December 7, 2008... According to recent research published in the journal Molecular and Cellular Biology, "The DNA replication checkpoint transcriptionally upregulates genes that allow cells to adapt to and survive replication stress. Our results show that, in the...

Study data from Hebrew University update understanding of DNA research.
December 7, 2008... "Emerging evidence indicates that the global organization of the bacterial chromosome is defined by its physical map. This architectural understanding has been gained mainly by observing the localization and dynamics of specific chromosomal...

Scientists at University of Illinois publish new data on Escherichia coli.
December 7, 2008... According to recent research from the United States, "The genome of Lactococcus lactis encodes a single long chain 3-ketoacyl-acyl carrier protein synthase. This is in contrast to its close relative, Enterococcus faecalis, and to Escherichia...

Research data from Yale University update understanding of femoral fracture.
December 7, 2008... "Advancements in our knowledge of fracture heating have occurred in large part by the understanding of this process on a microscopic level. The ability to develop experimental non-union models in animals wilt assist in the investigation of this...

Reports by Y. Shen and co-researchers describe recent advances in gas chromatography.
December 7, 2008... According to recent research from Wenzhou, People's Republic of China, "Pseudostellaria heterophylla (Miq.) Pax or Taizishen (TZS) is one of the most popular Traditional Chinese Medicines in China, and is commonly used to treat various lung and...

New investigative surgery research reported from D. Dulchavsky and co-authors.
December 7, 2008... "Bone marrow-derived stromal cells (BMSCs) exhibit extraordinary degree of plasticity and growth factor repertoire for which they have been investigated for repair and regeneration of damaged tissues, but have not been adequately examined for...

Reports from K.A. Greene et al highlight recent research in knee arthroplasty.
December 7, 2008... According to a study from the United States, "Patient expectations after primary total knee arthroplasty (TKA) continue to increase as the arthroplasty population becomes Younger. Patients desire more than just pain relief, function,and the...

Research from K.A. Jung and co-authors yields new data on knee arthroplasty.
December 7, 2008... "The authors experienced an unusual case of a patient with a complex tear of the lateral meniscus and adjacent lateral femoral condyle cartilage injury in the contralateral compartment by retained cement, possibly located at the posteromedial...

Research on knee arthroplasty published by scientists at University of Tennessee.(Report)
December 7, 2008... "The objective of this study was to determine the in vivo kinematics for Subjects having either a fixed posterior stabilized (PS) or cruciate retaining (CR) high-flexion total knee arthroplasty (TKA). Three-dimensional kinematics from lull...

Research results from P.M. Bonutti and co-authors update knowledge of knee arthroplasty.
December 7, 2008... "Contemporary unicompartmental knee arthroplasty has shown resurgence in use partly because of studies reporting excellent long-term survivorship. Both fixed-bearing as well as mobile-bearing designs have shown comparable results," scientists...

Researchers at Mayo Clinic have published new data on knee arthroplasty.
December 7, 2008... "Anterior cruciate ligament (ACL) injuries are common, and many of these patients go on to ACL reconstruction. At a later date, some may develop symptomatic osteoarthritis and require total knee arthroplasty (TKA)," scientists in the United...

Scientists at Mayo Clinic report research in knee arthroplasty.
December 7, 2008... "Fundamental differences in implant design and the relative size of the flexion and extension spaces Suggest that Subtle, different Surgical techniques should be used for cruciate-retaining and posterior-substituting total knee arthroplasfies....

Study data from Exponent, Inc. provide new insights into knee arthroplasty.
December 7, 2008... According to a study from the United States, "We quantified the current and historical incidence of periprosthetic infection associated with hip and knee arthroplasty in the United States using the Nationwide Inpatient Sample, as well as...

Studies from M. Bern and colleagues yield new information about life sciences.
December 7, 2008... "There are a number of computational tools for assigning identifications to peptide tandem mass spectra, but only a few tools, most notably ProteinProphet, for the crucial next step of integrating peptide identifications into higher-level...

New magnetic resonance research from University of Tsukuba outlined.
December 7, 2008... According to recent research from Tsukuba, Japan, "The movement of cellular water accompanies changes in growth within dormant buds. To further understand this process, accumulation of tonoplast delta TIP1 and plasma membrane PIP2 aquaporin...

Research reports on malaria from University of Oxford provide new insights.
December 7, 2008... According to recent research from Oxford, the United Kingdom, "The degree to which haematozoan parasites can exploit a range of vectors and hosts has both ecological and evolutionary implications for their transmission and biogeography. Here we...

Research from University of Berlin in the area of mass spectrometry published.
December 7, 2008... According to recent research from Berlin, Germany, "Liquid chromatography coupled to mass spectrometry (LC-MS) has become a major tool for the study of biological processes. High-throughput LC-MS experiments are frequently conducted in modern...

Research results from University of Aveiro update knowledge of microscopy.
December 7, 2008... "The present study deals with the short-term physicochemical reactions at the interface between bioactive glass particles [55SiO(2)-20CaO-9P(2)O(5)-12Na(2)O-4MgO. mol%] and biological fluid (Dulbecco Modified Eagle's Medium (DMEM)). The...

Studies from T.K. Schaefer and co-authors have provided new information about osteoarthritis.
December 7, 2008... "High tibial osteotomy (HTO) is a procedure for treating medial compartment osteoarthritis (OA) of the varus deformed knee. Frontal and sagittal alignment after closed- and open-wedge HTO were compared radiologically in a matched-pair study,"...

Reports outline ostomy study results from L. Richbourg et al.
December 7, 2008... According to recent research from the United States, "The purpose of this study was to determine average pouch wear times of persons with an ostomy living in the United States. In this national survey, subjects were identified by ostomy nurses...

Study results from Fourth Military Medical University provide new insights into pallidotomy.
December 7, 2008... According to recent research from Xian, People's Republic of China, "The non-linear dynamic specificity of the firing pattern discharged from neurons of the internal globus pallidus (GPi) was investigated by recording their spontaneous firing...

New findings reported from Chonnam National University describe advances in phosphatase.(Report)
December 7, 2008... "This study examined the molecules implicated in the cytodifferentiation of dental hard tissue cells. Rat pups at postnatal days 4, 7 and 10 were used," scientists in South Korea report (see also Phosphatase). "Differential...

New plastic and reconstructive surgery study results reported from J. Upton et al.
December 7, 2008... "The recommended treatment for Blauth types IIIB and IV congenital thumb hypoplasia is Index pollicization and amputation of the functionless, hypoplastic thumb. Instead of completely discarding the functionless part, the authors retain a...

Reports outline plastic and reconstructive surgery research from Lahey Clinic Medical Center.
December 7, 2008... "Despite refinements in radiotherapy, radiation-impaired wound healing continues to be a major source of postoperative morbidity with few treatment options. The application of polypeptide growth factors has been investigated in both the...

Reports outline plastic and reconstructive surgery study findings from University of Texas.
December 7, 2008... "Underprojection and lack of tip definition often coexist. Techniques that improve both nasal tip refinement and projection are closely interrelated, and an algorithmic approach can be developed to improve the predictability of the dynamic...

Reports summarize plastic and reconstructive surgery study results from H.K. Kawamoto and co-researchers.
December 7, 2008... "Numerous techniques exist to address poor nasal tip projection in the cleft nose deformity. The authors describe a secondary closed rhinoplasty technique using diced cartilage nasal tip grafting," researchers in the United States report (see...

Researchers from New York University provide details of new studies and findings in the area of plastic and reconstructive surgery.(Report)
December 7, 2008... "The application of distraction osteogenesis is an effective treatment for mandibular deficiencies. A priori, a horizontal vector of distraction was hypothesized to produce horizontal movement of the mandible and a vertical vector of...

Scientists at Hospital for Sick Children publish research in plastic and reconstructive surgery.(Report)
December 7, 2008... According to recent research from Toronto, Canada, "Little is known about the mechanisms and treatment of radiation-induced inhibition of craniofacial bone growth. In an earlier study, the radioprotector amifostine (WR-2721) administered to...

Studies from Emory University have provided new data on plastic and reconstructive surgery.
December 7, 2008... According to a study from the United States, "Spacer grafts in the eyelid are used in both reconstructive and aesthetic procedures. The authors report their experience using a new acellular porcine dermal graft (Enduragen) in 129 eyelids." ...

Studies from Yonsei University yield new data on plastic and reconstructive surgery.
December 7, 2008... In this recent study, researchers in Seoul, South Korea conducted a study "To avoid the somewhat operated look while effectively resolving shortcomings inherent in the conventional blepharoplasty technique, the authors propose an infrabrow...

Study findings from R.I.S. Zbar et al broaden understanding of plastic and reconstructive surgery.
December 7, 2008... "Society anticipates that plastic surgeons will make ethical decisions that are solely in the best interest of their patients. However, a variety of competing factors exert an influence on all decision-making processes," scientists in the...

Report summarizes sleep apnea study findings from University of California.
December 7, 2008... "In order to examine myoglobin (Mb) function and metabolic responses of seal muscle during progressive ischemia and hypoxemia, Mb saturation and high-energy phosphate levels were monitored with NMR spectroscopy during sleep apnea in elephant...

New spectroscopy study results from National Institutes of Health described.
December 7, 2008... According to recent research from the United States, "At high DNA concentration, as found in the nucleus, DNA-binding proteins search for specific binding sites by hopping between separate DNA strands. Here, we use N-15(Z)-exchange transverse...

Research from University of Twente yields new findings on spectroscopy.
December 7, 2008... "We have investigated dilute protein solutions with fluorescence correlation spectroscopy (FCS) and have observed that a rapid loss of proteins occurs from solution. It is commonly assumed that such a loss is the result of protein adsorption to...

Research from University of Virginia has provided new data on spectroscopy.
December 7, 2008... "We demonstrate the application of molecular rotational spectroscopy to measure the conformation isomerization rate of vibrationally excited pent-1-en-4-yne (pentenyne). The rotational spectra of single quantum states of pentenyne are acquired...

Research on spectroscopy detailed by scientists at Duke University.
December 7, 2008... "In atomic force microscopy-based single molecule force spectroscopy (AFM-SMFS), it is assumed that the pulling angle is negligible and that the force applied to the molecule is equivalent to the force measured by the instrument. Recent...

Research results from M. Egawa and colleagues update understanding of spectroscopy.(Report)
December 7, 2008... According to recent research published in the journal Skin Research and Technology, "Urocanic acid (UCA) is a major ultraviolet (UV) ray-absorbing component in the epidermis, and it isomerizes from the trans to the cis form upon exposure to UV...

Studies from J.H. Zhao et al have provided new data on spectroscopy.
December 7, 2008... "Raman spectroscopy is a non-invasive optical technique that can probe the molecular structure and conformation of biochemical constituents. The probability of Raman scattering is exceedingly low (similar to 10(-10)), and consequently up to now...

Study data from Hiroshima University update knowledge of spectroscopy.
December 7, 2008... According to recent research published in the journal Proceedings of the National Academy of Sciences of the United States of America, "Picosecond time-resolved IR-UV pump-probe spectroscopy has been carried out to elucidate vibrational energy...

Data on surgery discussed by S.M. Steinberg and colleagues.(Report)
December 7, 2008... According to recent research published in the journal Surgery, "All hospitals are required to perform quality assurance activities. Many risk adjustment methodologies have been developed, and many medical centers use 1 or more than 1 risk...

Investigators at Hartford Hospital have published new data on surgery.(Report)
December 7, 2008... "More elderly trauma patients are identified with preinjury use of clopidogrel, aspirin, or warfarin (CAW). The purpose of this study was to determine whether preinjury CAW use was an important predictor of mortality in patients aged >= 50...

New findings from S.S. Hans and co-researchers in the area of surgery described.(Report)
December 7, 2008... "The purpose of this study was to compare the outcomes of aortoiliac stenting (AIS) to those of aortobifemoral grafting (ABF) for patients with TransAtlantic Inter-Sociely Consensus (TASCII) C and D aortoiliac occlusive disease. From 1998 to...

Reports from University of Missouri describe recent advances in surgery.
December 7, 2008... According to recent research from the United States, "Falling reimbursement rates for trauma care demand a concerted effort of charge capture for the fiscal survival of trauma surgeons. We compared current procedure terminology code...

Scientists at Canberra Hospital detail research in surgery.(Report)
December 7, 2008... "The objective of this study was to define the casualty rates and anatomical distribution of injuries associated with military static line parachute (MSLP) descents conducted by an Australian Army Commando Battalion. This study was conducted to...

Studies from F. Pisello et al provide new data on surgery.
December 7, 2008... " Endoscopic sphincterotomy (ES) and stone extraction is the treatment of choice for bile duct stones. Therefore, if ES and conventional stone extraction fail, further treatment is mandatory," scientists writing in the journal Langenbecks...

Findings from P.J. Millett and co-authors provide new insights into surgical technologies.(Clinical report)
December 7, 2008... "Bioabsorbable interference screw fixation has superior biomechanical properties compared to suture anchor fixation for biceps tenodesis. However, it is unknown whether fixation technique influences clinical results," investigators in the...

Findings from Dongguk University advance knowledge in thoracic surgery.
December 7, 2008... According to a study from South Korea, "To date, we believe that only 8 patients with simultaneous rupture of the mitral and tricuspid valves caused by blunt chest trauma have been reported." "The correct diagnosis of this condition during...

Research from C.H. Chen and co-authors yields new data on thoracic surgery.
December 7, 2008... "Inflammatory myofibroblastic tumor arising in the anterior mediastinum is rare," investigators in Taipei, Taiwan report (see also Thoracic Surgery). "A 58-year-old woman had an anterior mediastinal mass invading the sternum, pericardium,...

Research results from H. Uemura and co-authors update knowledge of thoracic surgery.(Report)
December 7, 2008... "The purpose of this study was to determine structural features and variations in the mitral valve guarding inflow of the morphologic left ventricle in hearts with discordant atrioventricular connections. Morphologic investigation was carried...

Research results from K.M. Sarraf and co-authors update knowledge of thoracic surgery.
December 7, 2008... "We describe the first experience of direct bronchial (epi-bronchial) ultrasound to visualize and determine the endobronchial tumor margins for surgical resection. Description. An ultrasound probe was applied onto the membranous portion of the...

Researchers at Derriford Hospital release new data on thoracic surgery.
December 7, 2008... "Esophageal perforation is a rare, but life-threatening condition with a mortality rate ranging between 10% and 40%. It can happen at the level of the cervical, intrathoracic, or intra-abdominal segment," scientists writing in the journal...

Researchers at Medical University of South Carolina target thoracic surgery.(Report)
December 7, 2008... "Left ventricular (LV) remodeling after myocardial infarction (MI) commonly causes infarct expansion (IE). This study sought to interrupt IE through microinjections of a biocompatible composite material into the post-MI myocardium," scientists...

Studies from H. Sakurai et al add new findings in the area of thoracic surgery.
December 7, 2008... "Most localized fibrous tumors arise from the visceral pleura on a stalk and project into the pleural cavity in a pedunculated manner," scientists in Mita, Japan report (see also Thoracic Surgery). "The origin of the tumors is now believed...

Study results from Penn State University, College of Engineering provide new insights into biopsy.(Report)
December 7, 2008... New research, 'Image-guided bronchoscopy for peripheral lung lesions: a phantom study,' is the subject of a report. "Ultrathin bronchoscopy guided by virtual bronchoscopy (VB) techniques show promise for the diagnosis of peripheral lung...

China Agricultural University reports research in chromatography.
December 7, 2008... New investigation results, 'Simultaneous determination of 5-nitroimidazoles and nitrofurans in pork by high-performance liquid chromatography-tandem mass spectrometry,' are detailed in a study published in Journal of Chromatography A. "A simple...

Data on chromatography described by researchers at Hunan University.(Report)
December 7, 2008... Research findings, 'Quantification of amino acid ionic liquids using liquid chromatography-mass spectrometry,' are discussed in a new report. "Amino acid ionic liquids (AAILs) containing imidazolium cations and amino acid (AA) anions, were...

Data on chromatography reported by researchers at University of Santiago of Compostela.
December 7, 2008... A new study, 'Computer-assisted method development in liquid chromatography-mass spectrometry: new proposals,' is now available. "A new approach is proposed for computer-assisted method development in LC-MS. The procedure consists of three...

Investigators at University of Amsterdam, Van't Hoff Institute for Molecular Sciences zero in on chromatography.
December 7, 2008... A new study, 'Methacrylate monolithic capillary columns for gradient peptide separations,' is now available. "For the separation of peptides with gradient-elution liquid chromatography a poly(butyl methacrylate-co-ethylene dimethacrylate) (BMA)...

New chromatography data have been reported by scientists at Xiamen University.(Report)
December 7, 2008... Research findings, 'Development of relatively selective, chemically and mechanically robust solid-phase microextraction fibers based on methacrylic acid-trimethylolpropanetrimethacrylate co-polymers,' are discussed in a new report. According to...

Oregon State University, Department of Food Science publishes research in chromatography.
December 7, 2008... Scientists discuss in 'Quantification of 2,5-dimethyl-4-hydroxy-3(2H)-furanone using solid-phase extraction and direct microvial insert thermal desorption gas chromatography-mass spectrometry' new findings in chromatography. According to recent...

Reports outline chromatography study results from Dalian Institute of Chemical Physics.
December 7, 2008... Scientists discuss in 'Novel two-dimensional reversed-phase liquid chromatography/hydrophilic interaction chromatography, an excellent orthogonal system for practical analysis' new findings in chromatography. "A novel two-dimensional...

Researchers from Institute of Plant Protection detail findings in chromatography.
December 7, 2008... Data detailed in 'Development of a multi-residue method for the determination of pesticides in cereals and dry animal feed using gas chromatography-tandem quadrupole mass spectrometry II. Improvement and extension to new analytes' have been...

Researchers from Sankyo Co., Ltd. discuss findings in chromatography.
December 7, 2008... Current study results from the report, 'Identification of degradation products in loxoprofen sodium adhesive tapes by liquid chromatography-mass spectrometry and dynamic pressurized liquid extraction-solid-phase extraction coupled to liquid...

Research from N.B. Tiscione and colleagues has provided new data on gas chromatography.(Report)
December 7, 2008... Research findings, 'Quantitation of benzodiazepines in whole blood by electron impact-gas chromatography-mass spectrometry,' are discussed in a new report. According to a study from the United States, "Benzodiazepines are frequently encountered...

Recent findings from National Institute for Materials Science highlight research in life sciences.
December 7, 2008... A new study, 'X-ray analysis and mapping by wavelength dispersive X-ray spectroscopy in an electron microscope,' is now available. "A compact and easy-to-use wavelength dispersive X-ray spectrometer using a multi-capillary X-ray lens attached...

Recent findings from University of Hyogo highlight research in life sciences.
December 7, 2008... Investigators publish new data in the report 'CDK inhibitor p21 is degraded by a proliferating cell nuclear antigen-coupled Cul4-DDB1Cdt2 pathway during S phase and after UV irradiation.' "Previous reports showed that chromatin-associated PCNA...

Research conducted at China Agricultural University, Department of Applied Chemistry has provided new information about life sciences.
December 7, 2008... A report, 'The chiral separation of triazole pesticides enantiomers by amylose-tris (3,5-dimethylphenylcarbamate) chiral stationary phase,' is newly published data in Journal of Chromatographic Science. According to a study from Beijing,...