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Volume guarantee

C Raspé, L Flöther, R Schneider, M Bucher, P Piso
Due to the significantly improved outcome and quality of life of patients with different tumor entities after cytoreductive surgery (CRS) and HIPEC, there is an increasing number of centers performing CRS and HIPEC procedures. As this procedure is technically challenging with potential high morbidity and mortality, respectively, institutional experience also in the anesthetic and intensive care departments is essential for optimal treatment and prevention of adverse events. Clinical pathways have to be developed to achieve also good results in more comorbid patients with border line indications and extensive surgical procedures...
September 28, 2016: European Journal of Surgical Oncology
Osama M Assad, Ayman A El Sayed, Mohamed A Khalil
STUDY OBJECTIVE: To analyze the effects of pressure-controlled ventilation-volume guaranteed (PCV-VG) and volume controlled ventilation (VCV) on airway pressures and respiratory and circulatory indicators during laparoscopic surgery in Trendelenburg position. DESIGN: Prospective randomized comparative clinical study. SETTING: Tertiary hospital. PATIENTS: Forty ASA physical status 1 and 2 patients who underwent elective laparoscopic surgery in Trendelenburg position...
November 2016: Journal of Clinical Anesthesia
T Q Zhang, Y Y Zhang, Y K Gu, F Gao, Z M Huang, J H Huang
Objective: To explore the preliminary clinical efficacy and safety of multi-electrode synchronous radiofrequency ablation via switching controller for treating large hepatocellular carcinoma. Methods: A total of 20 patients with large hepatocellular carcinoma from minimally invasive Interventional department of Sun Yat-sen University Cancer Center were enrolled in this retrospective study from December 2013 to December 2014.The procedures were conducted with multi-electrode synchronous radiofrequency ablation via switching controller under CT guidance...
September 20, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
Fatemeh Saberian, Archis Ghate, Minsun Kim
Hypoxia, that is, insufficient oxygen partial pressure, is a known cause of reduced radiosensitivity in solid tumors, and especially in head-and-neck tumors. It is thus believed to adversely affect the outcome of fractionated radiotherapy. Oxygen partial pressure varies spatially and temporally over the treatment course and exhibits inter-patient and intra-tumor variation. Emerging advances in non-invasive functional imaging offer the future possibility of adapting radiotherapy plans to this uncertain spatiotemporal evolution of hypoxia over the treatment course...
October 7, 2016: Physics in Medicine and Biology
Timm Konold, Leigh Thorne, Hugh A Simmons, Steve A C Hawkins, Marion M Simmons, Lorenzo González
BACKGROUND: Previous studies confirmed that classical scrapie can be transmitted via milk in sheep. The current study aimed to investigate whether scrapie can also be transmitted via goat milk using in vivo (new-born lambs fed milk from scrapie-affected goats due to the unavailability of goat kids from guaranteed scrapie-free herds) and in vitro methods (serial protein misfolding cyclic amplification [sPMCA] on milk samples). RESULTS: In an initial pilot study, new-born lambs of two different prion protein gene (PRNP) genotypes (six VRQ/VRQ and five ARQ/ARQ) were orally challenged with 5 g brain homogenate from two scrapie-affected goats to determine susceptibility of sheep to goat scrapie...
2016: BMC Veterinary Research
N B Naigovzina, A V Luchinsky
A conducted analysis of volume and cost of dental care provided in outpatient settings proves the need for harmonization of Russian Ministry of Health's documentation regulating dental checks in adults and children, and the Programme of state guarantees.
2016: Stomatologii︠a︡
Senem Alkan Ozdemir, Esra Arun Ozer, Ozkan Ilhan, Sumer Sutcuoglu
BACKGROUND: Mechanical ventilation is an essential therapy in the treatment of respiratory failure in preterm infants. However, optimal ventilation strategy continues to be difficult to define. OBJECTIVE: To compare the effects of volume guarantee (VG) combined with intermittent mandatory ventilation (SIMV) and VG combined with pressure support ventilation (PSV) on the pulmonary mechanics and short term prognosis in preterm infants with respiratory distress syndrome...
September 13, 2016: Pediatric Pulmonology
Jan Krupčík, Roman Gorovenko, Ivan Špánik, Pat Sandra, Matthew Giardina
The performances of forward flow fill and flush (FFF) and of reverse flow fill and flush (RFF) in flow modulated comprehensive two-dimensional gas chromatography (GC×GC) using the same volume of the sampling channel have been studied and compared. Sample models include a reference mixture of hydrocarbons at low concentration, a petroleum reformate product and the essential oil of Rosa damascena Miller. The latter samples contain solutes in different concentrations but some up to 30% allowing to study overloading phenomena in detail...
September 30, 2016: Journal of Chromatography. A
Manuel Sánchez-Luna, Noelia González-Pacheco, Martín Santos, Ángel Blanco, Cristina Orden, Jaques Belik, Francisco J Tendillo
UNLABELLED: The objective of this study was to analyze the effect of I/E ratio on carbon dioxide (CO2) elimination during high-frequency oscillatory ventilation (HFOV) combined with volume guarantee (VG). Five 2-day-old piglets were studied before and after a bronchoalveolar lavage (BAL). The effect of an I/E ratio of 1:1 and 1:2 with (VG-ON) and without VG (VG-OFF) on PaCO2, as well as delta and mean airway pressures at the airway opening (∆Phf-ao, mPaw-ao) and at the tracheal level (∆Phf-t, mPaw-t) were evaluated at frequencies of 5, 8, 11, and 14 Hz...
October 2016: European Journal of Pediatrics
Michaela Sieben, Heiner Giese, Jan-Hendrik Grosch, Kira Kauffmann, Jochen Büchs
Microtiter plate (MTP) sealing tapes are commonly applied in bioprocess development and high throughput screening in order to maintain sterile conditions and avoid liquid evaporation. However, only a few of the commercially available sealing tapes are adequately characterised to guarantee both minimal evaporation and sufficient oxygen supply for aerobic cultivation. Therefore, 12 commercially available sealing tapes were analysed concerning their water vapour and oxygen permeability. The water vapour permeability was assessed by gravimetrically quantifying the liquid loss due to evaporation...
August 31, 2016: Biotechnology Journal
Yueshuang Xu, Xiaoping Zhang, Chengxin Luan, Huan Wang, Baoan Chen, Yuanjin Zhao
Barcodes-based suspension array have for demonstrated values in multiplex assay of tumor markers. Photonic barcodes which are encoded by their characteristic reflection peaks are the important supports for suspension array due to their stable code, low fluorescent background and high surface-volume ratio. Attempts to develop this technology tend to improve the function of the photonic barcodes. Here, we present a new type of hybrid hydrogel photonic barcodes for efficient multiplex assays. This photonic barcodes are hybrid inverse opal hydrogel composed of poly(ethylene glycol) diacrylate (PEG-DA) and agarose...
August 21, 2016: Biosensors & Bioelectronics
N González-Pacheco, M Sánchez-Luna
No abstract text is available yet for this article.
September 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
G P Prashanth, K Hebbal, S K Ismail
No abstract text is available yet for this article.
September 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
Riccardo Maria Fagugli, Carlo Maria Guastoni, Sara Battistoni, Francesco Patera, Giuseppe Quintaliani
Epidemiology of Acute Kidney Injury (AKI) has changed radically in the past 15 years: we have observed an exponential increase of cases with high mortality and residual disability, particularly in those patients who need dialysis treatment. Those who survive AKI have an increased risk of requiring dialysis after hospital discharge over the short term as well as long term. They have an increased risk of deteriorating residual kidney function and cardiovascular events as well as a shorter life expectancy. Given the severe prognosis, difficulties of treatment, high level of resources needed, increased workload and consequently costs, several aspects of AKI have not been sufficiently investigated...
July 2016: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
Erika E Atienzo, Eva Kaltenthaler, Susan K Baxter
Youth violence in Latin America is an important public health problem. However, the evidence from preventive programs within the region to address this problem is limited. Identifying context-specific factors that facilitate or hinder the success of interventions is necessary to guarantee the successful implementation of new preventive strategies. We present a systematic review and synthesis of qualitative studies to identify factors affecting the implementation of programs to prevent youth violence in Latin America...
August 12, 2016: Trauma, Violence & Abuse
Wenrui Dai, Yangmei Shen, Xin Tang, Junni Zou, Hongkai Xiong, Chang Wen Chen
Classical dictionary learning methods for video coding suer from high computational complexity and interfered coding eciency by disregarding its underlying distribution. This paper proposes a spatio-temporal online dictionary learning (STOL) algorithm to speed up the convergence rate of dictionary learning with a guarantee of approximation error. The proposed algorithm incorporates stochastic gradient descents to form a dictionary of pairs of 3-D low-frequency and highfrequency spatio-temporal volumes. In each iteration of the learning process, it randomly selects one sample volume and updates the atoms of dictionary by minimizing the expected cost, rather than optimizes empirical cost over the complete training data like batch learning methods, e...
July 27, 2016: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
Riccardo Maria Fagugli, Francesco Patera, Sara Battistoni, Giovanni Tripepi
Acute kidney injury requiring dialysis (AKI-D) treatment has significantly increased in incidence over the years, with more than 400 new cases per million population/y, 2/3 of which concern noncritically ill patients. In these patients, there are little data on mortality or on information of care organization and its impact on outcome. Specialty training and integrated teams, as well as a high volume of activity, seem to be linked to better hospital outcome. The study investigates mortality of patients admitted to and in-care of nephrology (NEPHROpts), a closed-staff organization, and to other medical wards (MEDpts), representing a model of open-staff organization...
July 2016: Medicine (Baltimore)
Shuxu Zhang, Xiang Zhou, Quanbin Zhang, Shaohui Jiang, Ruihao Wang, Guoqian Zhang, Huaiyu Lei, Shengqu Lin
The aim of the present study was to investigate the role of CTVision in interfractional setup errors during intensity-modulated radiation therapy (IMRT) in 12 nasopharyngeal carcinoma (NPC) patients. The trend of setup errors as a function of time during a fractionated radiotherapy course was investigated, and the influence of reconstructive thickness on image reconstruction for setup errors was analyzed. The appropriate planning target volume (PTV) margin and planning risk volume (PRV) margin were defined to provide a reference for the design of IMRT for NPC...
2016: Journal of Applied Clinical Medical Physics
Ton Duc Do, Yeongil Noh, Myeong Ok Kim, Jungwon Yoon
Magnetic nanoparticles (MNPs) are recently used in a drug delivery system to pass the blood brain barrier. However, because the magnetic force acting on particles is proportional to their volumes, as the size of particles is small, the large magnetic field is required to produce enough magnetic force for overcoming the hydrodynamic drag force as well as other forces in blood vessels. Other difficulties for controlling MNPs are the complicated behavior of hydrodynamic drag force and uncertain factors in their dynamics...
June 2016: Journal of Nanoscience and Nanotechnology
Xinfeng Yu, Mingyang Ni, Dawei Rui, Yi Qu, Wei Zhang
As a crucial step for thermal aberration prediction, thermal simulation is an effective way to acquire the temperature distribution of lenses. In the case of rigorous thermal simulation with the finite volume method, the amount of absorbed energy and its distribution within lens elements should be provided to guarantee simulation accuracy. In this paper, a computational method for simulation of thermal load distribution concerning lens material absorption was proposed based on light intensity of lens elements' surfaces...
May 20, 2016: Applied Optics
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