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| 1 | Predictive value and main determinants of abnormal features of intraoperative cholangiography during cholecystectomy显示文摘BACKGROUND:The major issue with intraoperative cholangiography (IOC) is whether its diagnostic accuracy for common bile duct (CBD) stones matches that of other diagnostic procedures,and thus,whether it will become a routine diagnostic procedure.The current study aimed to address the main determinants of CBD stone diagnosis in IOC among an Iranian population.METHODS:In a retrospective review database-based study conducted in Taleghani Hospital in Tehran between 2006 and 2008,baseline data and perioperative information of 2060 patients (male to female ratio 542:1518,mean age 53.7 years) who were candidates for cholecystectomy and underwent concomitant IOC for confirming CBD stones were reviewed.The predictive power of this procedure for diagnosis of abnormal biliary ducts with the focus on biliary stones was determined.RESULTS:Overall mortality and morbidity following cholecystectomy in the study population were 0.6% and 2.6%,respectively.Both early mortality and morbidity due to cholecystectomy were higher in male than female.The prevalence of CBD stones in IOC was 3.4% (5.2% in male and 2.8% in female,P=0.008).Among those without gallstones,8.7% had CBD stones and only 3.1% had concomitant gallstones and CBD stones.The main predictors of stone appearance as an abnormal feature of IOC during cholecystectomy were:advanced age (OR=1.022,P=0.001),male gender (OR=1.498,P=0.050),history of abdominal surgery (OR=1.543,P=0.040) and preoperative endoscopic retrograde cholangiopancreatography (OR=5.400,P<0.001).CONCLUSIONS:IOC is a safe and accurate method for the assessment of bile duct anatomy and stones.Therefore,the routine use of IOC within cholecystectomy seems reasonable and is recommended. | Shahram Yousefpour Azary Heshmat Kalbasi Ali Setayesh Mirhadi Mousavi Asad Hashemi Mahsa Khodadoostan Mohammad Reza Zali Amir Houshang Mohammad Alizadeh | 2011 | Hepatobiliary & Pancreatic Diseases International2011，10，3： | 11 |
| 2 | An Experimental Study on Nanofluids Convective Heat Transfer Through a Straight Tube under Constant Heat Flux显示文摘In this work, the laminar convective heat transfer performance and the pressure drop of water-based nanofluids containing Al2O3, TiO2 and SiO2 nanoparticles flowing through a straight circular tube were experimentally investigated. The experimental results showed that addition of small amounts of nano-sized Al2O3 and TiO2 particles to de-ionized water increased heat transfer coefficients considerably, while the SiO2 nanofluids showed the opposite behavior attracting the authors' interests. An average of 16% and 8.2% increase in heat transfer coefficient were observed with the average of 28% and 15% penalty in pressure drop for Al2O3 and TiO2 nanofluids. | Ahmad Azari Mansour Kalbasi Masoud Derakhshandeh Masoud Rahimi | 2013 | Chinese Journal of Chemical Engineering2013，21，10： | 5 |
| 3 | Removing ammonia from air with a constant pH, slightly acidic water spray wet scrubber using recycled scrubbing solution显示文摘 | Ahmad Kalbasi Ashtari Amir M. Samani Majd Gerald L. Riskowski Saqib Mukhtar Lingying Zhao | 2016 | Frontiers of Environmental Science & Engineering2016，10，6： | 4 |
| 4 | Low-temperature Magnesiothermic Synthesis of Mesoporous Silicon Carbide from an MCM-48/Polyacrylamide Nanocomposite Precursor显示文摘Mesoporous silicon carbide with high specific surface area was successfully synthesized from an MCM-48/ polyacrylamide nanocomposite precursor in the temperature range of 550—600℃(below the melting point of Mg) by means of a magnesiothermic reduction process.The MCM-48/polyacrylamide precursor nanocomposite was prepared by in-situ polymerization of acrylamide monomer in the presence of mesoporous MCM-48 synthesized by sol-gel method.The physicochemical properties and microstructures of the nanocomposite precursor and the low-temperature SiC product were characterized by X-ray diffraction(XRD), differential scanning calorimetry-thermo gravimetric analysis(DSC-TGA),transmission electron microscopy (TEM) and N_2 adsorption—desorption.TEM micrographs and Brunauer—Emmett—Teller(BET) gas adsorption studies showed that the SiC powder was nanocrystalline and had a specific surface area of 330 m^2/g and a mesoporosity in the range of 2—10 nm.The presence of an exothermic peak in the DSC trace corresponds to the self-combustion process of the SiC magnesiothermic synthesis.The results also show that the carbon in excess to that required to produce SiC plays a role in the reduction of the SiO_2.The mechanism of magnesiothermic synthesis of mesoporous SiC is discussed. | Zahra Saeedifar Amir Abbas Nourbakhsh Roozbeh Javad Kalbasi Ebrahim Karamian | 2013 | Journal of Materials Science & Technology2013，29，3： | 3 |
| 5 | An experimental comparison of water based alumina and silica nanofluids heat transfer in laminar flow regime显示文摘Experimental investigations were carried out to determine the convective heat transfer performance and pressure drop of Al2O3 /water and SiO2 /water nanofluids flowing through a circular tube. Measurements show that the addition of small amounts of nano-sized Al2O3 particles to the base fluid increases heat transfer coefficients considerably, while the result for the silica nanofluids contradicts with the alumina nanofluids and this leads to some interesting results. In the case of alumina nanofluids, an average increase of 16% in convective heat transfer coefficient is observed with an average penalty of 28% in pressure drop. Moreover, flow resistance increases significantly compared to the base fluid even at very low concentrations of nanofluids. Finally, measured heat transfer coefficients are compared with predicted ones from the correlation of Shah under the same conditions. | Azari Ahmad Kalbasi Mansour Derakhshandeh Masoud | 2013 | Journal of Central South University2013，20，12： | 2 |
| 6 | Kinetics of cadmium desorption from fibrous silicate clay minerals: Influence of organic ligands and aging 显示文摘 | Shirvani M Shariatmadari H Kalbasi M | 2007 | Applied Clay Science2007，37，12： | 1 |
| 7 | Carcass composting for managing farm mortali- ties :a review显示文摘 | Kalbasi A Mukhtar S Hawkins S E | 2005 | Compost Science & Utiliza- tion2005，13，： | 1 |
| 8 | Single-carrier frequency domain equalization显示文摘 | Frbrizio Pancaldi Giorgio M Vitetta Reza Kalbasi | 2008 | IEEE Signal Processing Magazine2008，25，5： | 1 |
| 9 | Sorption-desorption of cadmium in aqueous palygorskite, sepiolite, and calcite suspensions: Isotherm hysteresis 显示文摘 | Shirvani M Kalbasi M Shariatmadari H | 2006 | Chemosphere2006，65，： | 1 |
| 10 | Adsorption isotherms of non-ionic surfactants on Na-bentonite (Iran) and evaluation of thermodynamic parameters显示文摘 | GHIACI M KALBASI R J ABBASPOUR A | 2007 | Colloids and Surfaces A: Physicochem Eng Aspects2007，297，： | 1 |
| 11 | Radiation and immunotherapy: a synergistic combination显示文摘 | Kalbasi A June CH Haas N | 2013 | J Clin Invest2013，123，7： | 1 |
| 12 | Singlecarrier frequency domain equalization显示文摘 | Pancaldi F Vitetta G Kalbasi R | 2008 | IEEE Signal Process Mag2008，25，5： | 1 |
| 13 | Vapor-phase Beckmann rearrangement of cyclohexanone oxime over H3PO4/ZrO2-TiO2显示文摘 | Ghiaci M Abbaspur A Kalbasi R J | | 0，，： | 1 |
| 14 | A Comparison of Frequency-Domain Block MIMOTransmission Systems显示文摘 | KALBASI R FALCONER D D BANIHASHEMI A H | | 0，，01： | 1 |
| 15 | Effect of spray drying conditions and feed composition on the physical properties of black mulberry juice powder显示文摘 | Mahboubeh Fazaeli Zahra Emam-Djomeh Ahmad Kalbasi Ashtari Mahmoud Omid | 2012 | Food and Bioproducts Processing2012，，4： | 1 |
| 16 | Single-carrier frequency domain equalization显示文摘 | PANCALDI F VITETTA G KALBASI R | 2008 | IEEE Signal Processing Magazine2008，，25： | 1 |
| 17 | Singlecarrier frequency domain equalization显示文摘 | Pancaldi F Vitetta G M Kalbasi R | 2008 | IEEE Signal Process Magazine2008，25，9： | 1 |
| 18 | Adsorption Isotherms of non-ionic Surfactants on Na-bentonite (Iran) and Evaluation of Thermodynamic Parameters 显示文摘 | GHIACI M KALBASI R ABBASPOUR A | 2007 | Colloids and Surfaces A: Physicochem Eng Aspects2007，297，： | 1 |
| 19 | Highly selective vapor phase nitration of toluene using modified and unmodified H3PO4/ZMS-5显示文摘 | Kalbasi R J Ghiaci M Massah A R | 2009 | Applied Catalysis A:General2009，353，1： | 1 |
| 20 | Kinetics of cadmium desortption from fibrous silicate clay minerals : influence of organic ligands and aging 显示文摘 | Shirvani M Shariatmadari H Kalbasi M | 2007 | Applied Clay Science2007，37，12： | 1 |
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