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| 1 | Evaluation of mannitol effect in patients with acute hepatic failure and acute-on-chronic liver failure using conventional MRI,diffusion tensor imaging and in-vivo proton MR spectroscopy显示文摘AIM:To evaluate the effect of an intravenous bolus of mannitol in altering brain metabolites, brain water content, brain parenchyma volume, cerebrospinal fluid (CSF) volume and clinical signs in controls and in patients with acute liver failure (ALF) and acute-on-chronic liver failure (ACLF), by comparing changes in conventional magnetic resonance imaging (MRI), in vivo proton magnetic resonance spectroscopy (PMRS) and diffusion tensor imaging (DTI) before and after its infusion.METHODS: Five patients each with ALF and ACLF in grade 3 or 4 hepatic encephalopathy and with clinical signs of raised intracranial pressure were studied along with five healthy volunteers. After baseline MRI, an intravenous bolus of 20% mannitol solution was given over 10 min in controls as well as in patients with ALF and ACLF. Repeat MRI for the same position was acquired 30 min after completing the mannitol injection. RESULTS: No statistically significant difference was observed between controls and patients with ALF and ACLF in metabolite ratios, DTI metrics and brain volume or CSF volume following 45 min of mannitol infusion. There was no change in clinical status at the end of post-mannitol imaging. CONCLUSION: The osmotic effect of mannitol did not result in significant reduction of brain water content, alteration in metabolite ratios or any change in the clinical status of these patients during or within 45 min of mannitol infusion. | Vivek A Saraswat Sona Saksena Kavindra Nath Pranav Mandal Jitesh Singh M Albert Thomas Ramkishore S Rathore Rakesh K Gupta | 2008 | World Journal of Gastroenterology2008，14，26： | 2 |
| 2 | Thoracolumbar burst fractures treated with posterior decompression and pedicle screw instrumentation supplemented with balloon-assisted vertebroplasty and calcium phosphate reconstruction显示文摘 | Rex A W Marco Vivek P Kushwaha | 2009 | The Journal of Bone and Joint Surgery2009，91，： | 1 |
| 3 | Underhood thermal simulation of a small passenger vehicle with rear engine compartment to evaluate and enhance radiator performance显示文摘 | Vivek K Sachin A S | 2010 | SAE International2010，，： | 1 |
| 4 | A river flow routing scheme for general circulation models显示文摘 | Vivek K A | 1999 | J Geophys Res1999，104，14： | 1 |
| 5 | Fingerprint identification using space in- variant transforms显示文摘 | VIVEK A S MIEHAEL P M | 2002 | Pattern Recognition2002，，23： | 1 |
| 6 | A meta-analysis of electroenCephalographic sleep in depression: evidence for genetic biomarkers 显示文摘 | Vivek P David A K Jeffrey A C | 2011 | Biological Psychiatry2011，70，10： | 1 |
| 7 | Intraoperative myocardial protection: current trends and future perspectives显示文摘 | Gideon Cohen Michael A Borger Richard D Weisel Vivek Rao | 1999 | The Annals of Thoracic Surgery1999，，5： | 1 |
| 8 | Shear-induced orientation of a rigid surfactant mesophase显示文摘 | MOHIT S VIVEK A DANIEL D K | 2004 | Langmuir2004，20，： | 1 |
| 9 | Maximum Power Point Tracking Scheme for PV Systems Operating Under Partially Shaded Conditions显示文摘 | Hiren P Vivek A | 2008 | 1EEE Transactions on Industrial Electronics2008，55，4： | 1 |
| 10 | Maximum power extraction from a partially shaded PV array using shunt-series compensation 显示文摘 | Pooja S Vivek A | 2014 | IEEE Journal of Photovoltaics2014，4，4： | 1 |
| 11 | Impulse response dynamic stiffness decay in aging general aviation airfield pavements显示文摘 | Vivek K Michael A M Gerald A M | 2012 | Transportation Research Record Journal of the Transportation Research Board2012，2304，： | 1 |
| 12 | Exploring the role vegetation fragmentation on aquatic conditions: Linking upload with riparian areas in Puget sound lowland streams显示文摘 | Vivek S Marina A | 2009 | Landscape and Urban Planning2009，90，： | 1 |
| 13 | A hybrid control algorithm for voltage regulation in DC-DC boost converter显示文摘 | SREEKUMAR C VIVEK A | 2008 | IEEE Transactions on Industrial Electronics2008，55，6： | 1 |
| 14 | 显示文摘 | Gairola S P Verma Vivek Singh A | 2010 | Solid State Com- munications2010，150，： | 1 |
| 15 | Exfoliation and characterization of bismuth telluride atomic quintuples and quasi-two-dimensional crystals 显示文摘 | Desalegne T Vivek G Alexander A B | 2010 | Nano letters2010，10，4： | 1 |
| 16 | Chemical analysis of essential oils of Eupatorium adenophorum and their antimicrobial, antioxidant and phytotoxic properties 显示文摘 | Vivek A Ritu S Suresh W Om P S Jitendra K Aditl K | 2014 | Journal of Pest Science2014，87，2： | 1 |
| 17 | MATLAB-Based Modeling to Study the Effects of Partial Shading on PV Array Characrerristics 显示文摘 | HIREN P VIVEK A | 2008 | IEEE Transactions on Industrial Electronics2008，23，1： | 1 |
| 18 | Peroral endoscopic myotomy显示文摘Peroral endoscopic myotomy(POEM) incorporates concepts of natural orifice translumenal endoscopic surgery and achieves endoscopic myotomy by utilizing a submucosal tunnel as an operating space. Although intended for the palliation of symptoms of achalasia, there is mounting data to suggest it is also efficacious in the management of spastic esophageal disorders. The technique requires an understanding of the pathophysiology of esophageal motility disorders as well as knowledge of surgical anatomy of the foregut. POEM achieves short term response in 82% to 100% of patients with minimal risk of adverse events. In addition, it appears to be effective and safe even at the extremes of age and regardless of prior therapy undertaken. Although infrequent, the ability of the endoscopist to manage an intraprocedural adverse event is critical as failure to do so could result in significant morbidity. The major late adverse event is gastroesophageal reflux which appears to occur in 20% to 46% of patients. Research is being conducted to clarify the optimal technique for POEM and a personalized approach by measuring intraprocedural esophagogastric junction distensibility appears promising. In addition to esophageal disorders, POEM is being studied in the management of gastroparesis(gastric pyloromyotomy) with initial reports demonstrating technical feasibility. Although POEM represents a paradigm shift the management of esophageal motility disorders, the results of prospective randomized controlled trials with long-term follow up are eagerly awaited. | Vivek Kumbhari Mouen A Khashab | 2015 | World Journal of Gastrointestinal Endoscopy2015，7，5： | 1 |
| 19 | Collagen - Emerging collagen based therapies hit the patient显示文摘 | Ensanya A Neel A Bozec L Jonathan C Omaer S Vivek M Richard D Jung K | 2013 | Advanced Drug Delivery Reviews2013，65，4： | 1 |
| 20 | Design of a lightweight hyper-Redundant deployable binary manipulator显示文摘 | Vivek A S Steven D | 2004 | Journal of Mechanical Design2004，126，1： | 1 |
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