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Results 201 - 250 of 1163
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Lopes Murilo Baena - - 2012
This study evaluated the effectiveness of different sealants applied to a nanofiller composite resin. Forty specimens of Filtek Z-350 were obtained after inserting the material in a 6x3 mm stainless steel mold followed by light activation for 20 s. The groups were divided (n=10) according to the surface treatment applied: ...
Zhao Jin Min - - 2012
Total hip replacement (THR) is an effective treatment for reducing pain and improving function and quality of life in patients with hip disorders. While this operation is very successful, deep vein thrombosis (DVT) and pulmonary embolism (PE) are significant complications after THR. Different types of intermittent pneumatic compression (IPC) devices ...
Cindy Ng Li Whye - - 2011
Purpose: To evaluate the measurement properties of the StepWatch(™) Activity Monitor (SAM) and ActivPAL in COPD. Method: Whilst wearing both monitors, participants performed walking tasks at two self-selected speeds, with and without a rollator. Steps obtained using the monitors were compared with that measured by direct observation. Results: Twenty participants ...
Gamal Ahmed Y - - 2011
Background: The release profile of 25% Doxycycline gel loaded on a biodegradable collagen membrane after 24% EDTA root surface etching was evaluated. Method: Thirty systemically healthy patients each with at least one paired, contralateral interproximal intrabony defects (IBC) ≥4 mm deep, along with an interproximal probing depth (PD) ≥6mm and ...
Zheng Xinyu - - 2011
OBJECTIVE: This study evaluated the effects of exogenous collagenase and two collagenase inhibitors on the variation in microstructure of human collagen fibrils. METHODS: Dentine specimens which were sectioned from 6 freshly extracted human caries-free third molars were wet polished. Each specimen was divided into 4 parts which were treated as ...
Dixit Sanjay S Cardiovascular Division, Hospital of the University of Pennsylvania, Philadelphia, PA 19104, USA. - - 2012
The single-procedure efficacy of pulmonary vein isolation (PVI) is less than optimal in patients with persistent atrial fibrillation (AF). Adjunctive techniques have been developed to enhance single-procedure efficacy in these patients. We conducted a study to compare 3 ablation strategies in patients with persistent AF. Subjects were randomized as follows: ...
Eichenfield Lawrence F - - 2011
Background: Topical fixed-combination therapy containing 1% clindamycin as 1.2% clindamycin phosphate (CLNP) and 3% benzoyl peroxide (BPO) is an effective treatment for acne vulgaris (acne). Objectives: To demonstrate that the combination of 1.2% CLNP with lower strength BPO (CLNP 1.2%-BPO 3%) in a gel formulation is superior to each individual ...
Dobson John L - - 2011
The purpose of this study was to examine the effects of interleaving and expanding retrieval on the retention of physiology concepts. Participants (n = 189) read and then reread 30 immunology and reproductive physiology passages. Half of the participants read and then reread the passages in a blocked manner (e.g., ...
Orishimo Karl F - - 2012
Dynamic knee varus angle and adduction moments have been reported to be reduced after TKA. However, it is unclear whether this reduction is maintained long term. We therefore asked whether (1) the dynamic knee adduction angle and moment remain reduced 1 year after TKA, (2) if changes in adduction moment ...
de Torres Erica Miranda - - 2011
PURPOSE: To compare and to evaluate the stability of the retentive force of cobalt-chromium (Co-Cr) circumferential clasps (control) to those with an acetyl resin retentive arm. METHODS: Sixteen specimens with a couple of circumferential clasps were made using Co-Cr over a metal model providing 0.25mm undercuts. Eight specimens were fabricated ...
Parpinello Giuseppina Paola - - 2011
BACKGROUND: The main objective of this study was to improve the structure of a Cabernet Sauvignon red wine in a short period of time by micro-oxygenation (MOX) at high rates (25 and 50 mL L(-1) month(-1) ), the effects of which were evaluated based on sensory characteristics and consumer preference. ...
Brandão Rafael Augusto Castro Santiago - - 2011
OBJECTIVE: The use of dural grafts is very useful when primary dural closure cannot be achieved. Our primary objective was to study the incidence of postoperative cerebrospinal fluid leak, including fistula and pseudomeningocele, and postoperative infection by comparing autologous material and a new collagen graft. MATERIALS AND METHODS: A prospective ...
Miletic Vesna - - 2011
OBJECTIVES: To determine the degree of conversion (DC) over 48h post-curing of resin mixtures containing trimethylbenzoyl-diphenylphosphine oxide (TPO) initiator cured by a polywave or a monowave LED light-curing unit (LCU). METHODS: In resin mixtures based on equal weight percent (wt%) of BisGMA and TEGDMA the following initiators were added: 0.2wt% ...
Zhou Xiaoxiao - - 2011
In infrapelvic obliquity, coronal pelvic malrotation entails a change in the spatial location of the bony acetabulum. In the present study, 77 patients presented with infrapelvic obliquity with types 1 and 2 hip pathologies in which the pelvis is lower and higher, respectively, on the short-leg side. The 2 types ...
Papazoglou Lysimachos G - - 2011
Eight animals underwent fusion podoplasties for the treatment of chronic interdigital furunculosis (n=3), ectrodactyly (n=1), digit abnormalities associated with tendonectomy (n=1), redundant indertigital skin (n=1), conformational deformity (n=1), and necrotizing fasciitis of the paw (n=1). Median duration of bandaging was 14 days, and median duration of hospitalization was 5 days. ...
Ovalle Carlos Cezar Ivo Sant'ana CC Surgery Department, Medical Sciences Faculty, Estadual de Campinas, Brazil - - 2011
The objective of the present study was to evaluate the efficacy of terlipressin (TP) vs. adrenaline (ADR) in increasing coronary perfusion pressure (CPP) and return of spontaneous circulation (ROSC) in swine CPR. Under anesthesia with ketamine/thiopental, ventricular fibrillation was induced in 44 female immature pigs, remaining unassisted for 10 minutes, ...
Choi Samjin - - 2011
The aim of this study is to quantitatively investigate the short-term effects of RF tissue-tightening treatment in in vivo rabbit dermal collagen fibrils. These effects were measured at different energy levels and at varying pass procedures on the nanostructural response level using histology and AFM analysis. Each rabbit was divided ...
Heuckendorff Mads - - 2011
Does neighboring group participation actually enhance the reactivity of the anomeric center when the participating group is inherently disarming? To investigate the influence of the neighboring group effect from a 2-O protective group on acidic glycoside hydrolysis, 10 methyl glucosides having different protective groups on O2 have been synthesized and ...
Blatteau Jean-Eric - - 2011
Preventive measures to reduce the risk of decompression sickness can involve several procedures such as oxygen breathing during in-water decompression. Theoretical predictions also suggest that brief periods of recompression during the course of decompression could be a method for controlling bubble formation. The aim of this study was to get ...
Altintas Ayse Gul Kocak - - 2012
To evaluate the effect of anti-VEGF (bevacizumab) injection to the posterior chamber (BIPC) behind the iris combined with seton implantation in treatment of neovascular glaucoma (NVG). Twenty-eight eyes with NVG who underwent BIPC, prospectively evaluated. Anterior segment photographs were taken for grading of neovascularization on anterior segment in pretreatment period ...
Labkovsky Elena - - 2011
We previously tested the P300-based Complex Trial protocol for deception detection against 2 and 4 countered of 4 irrelevant stimuli. The protocol detected 90-100% of these subjects with <10% false positives. We have also shown that Reaction Time (RT) to the first trial stimulus is increased (group effect) with countermeasure ...
Johnston Charles E CE - - 2011
: Congenital dislocation of the hip (CDH) and congenital dislocation of the knee (CDK) occurring in the same extremity is a rare condition. Traditional treatment usually involves staged procedures, obtaining knee reduction first, and then addressing the hip once the knee can be flexed adequately. Simultaneous surgical reduction of both ...
Ratto C - - 2011
Various injectable bulking agents have been used for the treatment of faecal incontinence (FI). However, encouraging early results are not maintained over time. This study aimed to assess short- and medium-term results of a new bulking agent for the treatment of FI. The Gatekeeper(™) prosthesis comprises a thin solid polyacrylonitrile ...
Mae Tatsuo - - 2011
PURPOSE: The purpose of this study was to (1) assess the migration of EndoButtons (Smith & Nephew Endoscopy, Andover, MA) with or without tissue interposition by comparing the radiographs obtained immediately after anterior cruciate ligament (ACL) reconstruction and those obtained during the follow-up period and (2) investigate the effect of ...
Funakoshi Tadanao - - 2011
Background: The alterations in blood flow after rotator cuff repair remain unclear. Visualization of vascular patterns could clarify basic and clinical investigations. Purpose: To assess longitudinal blood flow inside the repaired cuff and the surrounding tissue after rotator cuff repair, using contrast-enhanced ultrasonography. Study Design: Descriptive laboratory study. Methods: Fifteen ...
Pumberger Matthias - - 2011
STUDY DESIGN:: A discectomy study on human cadaveric lumbar spine. OBJECTIVE:: The purpose of this study was to assess the efficacy of manual versus powered discectomies using a transforaminal lumbar interbody fusion approach. SUMMARY OF BACKGROUND DATA:: To achieve fusion, removal of nucleus tissue and endplate cartilage is essential for ...
Vauclair F - - 2011
OBJECTIVES: Determine if arm veins are good conduits for infrainguinal revascularisation and should be used when good quality saphenous vein is not available. DESIGN: Retrospective study. MATERIALS AND METHODS: We evaluated a consecutive series of infrainguinal bypass (IB) using arm vein conduits from March 2001 to December 2006.We selected arm ...
Starnes Benjamin W - - 2011
This article summarizes a differing interpretation of the long-term results of the Endovascular Aneurysm Repair (EVAR) 1 Trial. The EVAR 1 Trialists' conclusions regarding the equivalence of long-term outcomes of endovascular aneurysm repair (EVAR) with those of open repair (OR) are misleading and not applicable to patients currently treated by ...
Hester Reid K RK Behavior Therapy Associates, LLP, Albuquerque, NM 87112, USA. - - 2012
The objective of the study was to evaluate the effectiveness of a computer-delivered intervention (CDI) to reduce heavy drinking and alcohol-related problems in college students in two randomized clinical trials. In Experiment 1, we randomized 144 students to either the CDI or an assessment-only control group with follow-ups at 1 ...
Casuccio Alessandra - - 2011
To evaluate the effect of α1-adrenergic receptor antagonists (α1-ARAs) on pupil diameter and determine whether the diameter predicts intraoperative floppy-iris syndrome (IFIS). Ophthalmology Section, Palermo University, Palermo, Italy. Prospective cohort study. Male outpatients taking tamsulosin, α(1)-ARAs, or no α(1)-ARAs having phacoemulsification were recruited. Pupils were measured 1 month preoperatively, immediately ...
Reddy S - - 2011
The purpose of this investigation was to study the characteristics of arterial wall and sympathetic innervation of the human posterior intercostal artery (PIA) in order to assess its suitability as an arterial graft for vascular surgeries. Fifty PIA samples were obtained from 25 cadavers (18 males and 7 females). Samples ...
Rasmussen L H - - 2011
This randomized trial compared four treatments for varicose great saphenous veins (GSVs). Five hundred consecutive patients (580 legs) with GSV reflux were randomized to endovenous laser ablation (980 and 1470 nm, bare fibre), radiofrequency ablation, ultrasound-guided foam sclerotherapy or surgical stripping using tumescent local anaesthesia with light sedation. Miniphlebectomies were ...
Koller Tobias - - 2011
To identify preoperative parameters that may predict flattening of the keratoconic cornea after collagen crosslinking (CXL). Institut für Refraktive und Ophthalmo-Chirurgie (IROC), Zurich, Switzerland. Cohort study. Patients with verified progressive primary keratectasia received standard corneal CXL. Factors such as corrected distance visual acuity (CDVA) and Scheimpflug tomography (Pentacam) were used ...
Alves Flávio R F - - 2011
This in vitro study evaluated the time-dependent ability of the self-adjusting file (SAF) used with either of two NaOCl concentrations to reduce bacterial populations in long oval root canals. Oval-shaped canals from extracted teeth were infected with Enterococcus faecalis for 30 days and subjected to preparation with the SAF system using ...
Kymionis George D - - 2011
PURPOSE: To present the long-term results after simultaneous photorefractive keratectomy followed by corneal collagen cross-linking for keratoconus. DESIGN: Prospective, interventional, consecutive case series. METHODS: In this study, 26 patients (31 eyes) with progressive keratoconus were included. All patients underwent customized topography-guided photorefractive keratectomy immediately followed by corneal collagen cross-linking with ...
Gomez Pablo P 3rd Department of Urology, Urological Diseases Research Center, Children's Hospital Boston, Boston, MA 02115, - - 2011
Autologous gastrointestinal segments are utilized as the primary option for bladder reconstructive procedures despite their inherent morbidity and significant complication rate. Multi-laminate biomaterials derived from Bombyx mori silk fibroin and prepared from a gel spinning process may serve as a superior alternative for bladder tissue engineering due to their robust ...
Vignoletti Fabio - - 2011
Vignoletti F, Nuñez J, Discepoli N, De Sanctis F, Caffesse R, Muñoz F, Lopez M, Sanz M: Clinical and histological healing of a new collagen matrix in combination with the coronally advanced flap for the treatment of Miller class-I recession defects: an experimental study in the minipig. J Clin Periodontol ...
Field Richard A - - 2011
PURPOSE: Chest compressions are often performed at a variable rate during cardiopulmonary resuscitation (CPR). The effect of compression rate on other chest compression quality variables (compression depth, duty-cycle, leaning, performance decay over time) is unknown. This randomised controlled cross-over manikin study examined the effect of different compression rates on the ...
Tylleskär Thorkild - - 2011
BACKGROUND: Exclusive breastfeeding (EBF) is reported to be a life-saving intervention in low-income settings. The effect of breastfeeding counselling by peer counsellors was assessed in Africa. METHODS: 24 communities in Burkina Faso, 24 in Uganda, and 34 in South Africa were assigned in a 1:1 ratio, by use of a ...
Cray Jr James J - - 2011
Abstract Objectives: Craniosynostosis affects 1 in 2,000-3,000 live births and may result in craniofacial and neural growth disturbances. Histological data have shown that thick collagenous bundles are present in the sutural ligament, which may tether the osteogenic fronts, resulting in premature fusion. The hormone relaxin has been shown to disrupt ...
Jeon Sohee - - 2011
BACKGROUND AND OBJECTIVE:To evaluate the changes in the integrated ocular surface/lacrimal gland unit after strabismus surgery. PATIENTS AND METHODS:The authors prospectively studied 23 patients undergoing lateral rectus muscle recession via fornix incision. At 1 week preoperatively and 1, 2, 3, and 4 months postoperatively, McMonnies' dry eye questionnaire, corneal fluorescein ...
Tada Akihiro - - 2011
PURPOSE: The purpose of this study was to evaluate altered pulmonary function retrospectively after RFA. METHODS: This retrospective study comprised 41 ablation sessions for 39 patients (22 men and 17 women; mean age, 64.8 years). Vital capacity (VC) and forced expiratory volume in 1 s (FEV(1)) at 1 and 3 months after RFA ...
Ahn Jeeyun - - 2011
To assess the effects of preoperative and intraoperative intravitreal bevacizumab (IVB) injection on the incidence of postoperative vitreous hemorrhage (VH) after vitrectomy for proliferative diabetic retinopathy (PDR). Prospective, randomized, clinical trial. One hundred seven eyes of 91 patients undergoing pars plana vitrectomy (PPV) for the management of PDR-related complications were ...
Brandt Fredric S - - 2011
Background: Injectable poly-L-lactic acid (PLLA) is indicated in the United States for use in immune-competent patients for correction of shallow-to-deep nasolabial fold contour deficiencies and other facial wrinkles in which a deep dermal grid pattern injection technique is appropriate. It is also indicated for restoration and/or correction of signs of ...
Cardaropoli Daniele - - 2012
Connective tissue graft (CTG) plus coronally advanced flap (CAF) is the reference therapy for root coverage. The aim of the present study is to evaluate the use of a porcine collagen matrix (PCM) plus CAF as an alternative to CTG+CAF for the treatment of gingival recessions (REC), in a prospective ...
Kránitz Kinga - - 2011
PURPOSE:To measure and compare sizing and positioning parameters of femtosecond laser capsulotomy with manual continuous curvilinear capsulorrhexis (CCC). METHODS:Femtosecond capsulotomies (LenSx Lasers Inc) and CCC were carried out in 20 eyes of 20 patients, respectively. Intraocular lens (IOL) decentration, circularity, vertical and horizontal diameters of capsulotomies, and capsule overlap were ...
Gupta Amit - - 2011
Aims To compare astigmatism with clear corneal incision versus scleral tunnel incision following paediatric cataract surgery with primary intraocular lens implantation. Methods Retrospective, comparative case series of 218 eyes of 138 children <12 years of age undergoing cataract extraction with intraocular lens implantation. The study cohorts were grouped into two ...
Pérez Isidro A - - 2011
Conditional probability was used to establish persistence of CO(2) concentrations at a rural site. Measurements extended over three years and were performed with a CO(2) continuous monitor and a sodar. Concentrations in the usual range at this site were proposed as the truncation level to calculate conditional probability, allowing us ...
Resch Miklós D - - 2011
Abstract Purpose: The aim of the study was the quantitative pharmacokinetic evaluation of drug release from pretreated amniotic membrane (AM) in vitro. Methods: Cryopreserved AM pieces soaked in 3% ofloxacin ophthalmic solution were mounted in vertical Franz-diffusion cell system equipped with autosampler. In vitro release of ofloxacin was determined by ...
He Yan - - 2011
The aim of this study was to investigate the engineering applicability of the stratified aged-refuse-based process for landfill leachate treatment. In this work, a pilot-scale (10 m(3) day(-1)) and a demonstration-scale (200 m(3) day(-1)) stratified reactor, containing the aged refuse excavated from an 8-year-old closed landfill cell, were used as ...
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