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  • Open Access

    EDITORIAL

    Preface: Innovations and Current Trends in Computational Cardiovascular Modeling and Beyond: Molecular, Cellular, Tissue and Organ Biomechanics with Clinical Applications

    Dalin Tang1,2,*, Zhiyong Li1

    CMES-Computer Modeling in Engineering & Sciences, Vol.116, No.2, pp. 109-113, 2018, DOI:10.31614/cmes.2018.04201

    Abstract This article has no abstract. More >

  • Open Access

    ARTICLE

    Eddy Current Analyses by Domain Decomposition Method Using Double-Double Precision

    Mizuma Takehito1,*, Takei Amane1

    CMES-Computer Modeling in Engineering & Sciences, Vol.116, No.3, pp. 349-363, 2018, DOI:10.31614/cmes.2018.01714

    Abstract A matrix equation solved in an eddy current analysis, A-ϕ method based on a domain decomposition method becomes a complex symmetric system. In general, iterative method is used as the solver. Convergence of iterative method in an interface problem is improved by increasing an accuracy of a solution of an iterative method of a subdomain problem. However, it is difficult to improve the convergence by using a small convergence criterion in the subdomain problem. Therefore, authors propose a method to introduce double-double precision into the interface problem and the subdomain problem. This proposed method improves More >

  • Open Access

    REVIEW

    What is the current role of partial nephrectomy for T2 tumors?

    Bruno Nahar, Mark L. Gonzalgo

    Canadian Journal of Urology, Vol.24, No.2, pp. 8698-8704, 2017

    Abstract Introduction: To review oncological and functional outcomes for partial nephrectomy in the setting of T2 tumors.
    Materials and methods: We performed a comprehensive literature review on partial nephrectomy for T2 tumors, focusing on major primary series reporting oncological and functional outcomes, as well as complication rates in the last 10 years.
    Results: Recent series have reported comparable oncological outcomes between partial nephrectomy and radical nephrectomy for ≥ T2 tumors. However, most of these studies are retrospective in design with small sample sizes. With regard to functional outcomes, partial nephrectomy outperforms radical nephrectomy. However, outcomes are dependent on the… More >

  • Open Access

    ARTICLE

    180W-LBO GreenLight XPS laser vaporization for benign prostatic hyperplasia: our experience with current markers of surgical proficiency for durable and reproducible outcomes

    Joris Zhou1,*, Côme Tholomier1,*, Marc Zanaty1, Pierre-Alain Hueber1, Roger Valdivieso1, Pierre Karakewicz1, Daniel Liberman1, Vincent Misrai2, Kevin C. Zorn1

    Canadian Journal of Urology, Vol.24, No.4, pp. 8922-8931, 2017

    Abstract Introduction: This study aims at analyzing the impact of reaching current markers of proficiency on intra and postoperative clinical outcomes of laser vaporization with 180W GreenLight XPS in the treatment of benign prostatic hyperplasia.
    Materials and methods: A retrospective analysis was conducted on a prospectively collected database of 328 consecutive patients who underwent photoselective vaporization of the prostate (PVP) using Greenlight XPS performed by a single experienced laser surgeon. A logarithmic model was used to evaluate the case number to attain benchmark criteria for durable treatment. We compared clinical outcomes before and after current markers of proficiency,… More >

  • Open Access

    RESIDENT’S CORNER

    Recurrent renal cell carcinoma presenting as a solitary left ventricular mass

    Lindsay Wilde1, Praveen Mehrotra2, Jean Hoffman-Censits1

    Canadian Journal of Urology, Vol.24, No.6, pp. 9145-9147, 2017

    Abstract A 73-year-old male with a remote history of renal cell carcinoma presented with an asymptomatic left ventricular mass. Biopsy of the mass revealed a late recurrence of his renal cell carcinoma. Given the size and location of the mass, resection was not possible. Treatment with pazopanib was initiated with good clinical response. More >

  • Open Access

    ARTICLE

    Phase II Trial of Intensity-Modulated Radiotherapy Concurrent With Chemotherapy for Postoperative Node-Positive Esophageal Squamous Cell Carcinoma

    Hua Tao, Yiqin Zhou, Chengyun Yao, Dayong Gu, Wei Chen, Jincheng Lu

    Oncology Research, Vol.25, No.8, pp. 1357-1362, 2017, DOI:10.3727/096504017X14889842609577

    Abstract The aim of this study was to evaluate the efficacy and toxicity of intensity-modulated radiotherapy concurrent with weekly docetaxel in patients with node-positive esophageal squamous cell carcinoma after radical surgery. Between January 2011 and December 2013, a total of 46 eligible patients were enrolled. All patients received intensity-modulated radiotherapy concurrent with weekly docetaxel (20 mg/m2 ). Patients were treated 5 days per week at 2.0 Gy/day. The total dose of external radiotherapy given was 50 Gy in 25 fractions. The primary endpoints included treatment completion and safety. The secondary endpoint was to assess whether the approach… More >

  • Open Access

    ARTICLE

    FLOW OVER AN EXPONENTIALLY STRETCHING SHEET WITH HALL, THERMAL RADIATION AND CHEMICAL REACTION EFFECTS

    D. Srinivasacharya* , P. Jagadeeshwar

    Frontiers in Heat and Mass Transfer, Vol.9, pp. 1-10, 2017, DOI:10.5098/hmt.9.37

    Abstract Numerical solutions for the boundary layer flow, heat and mass transfer of a viscous incompressible fluid over an exponentially stretching sheet is developed. The effect of Hall current, chemical reaction and thermal radiation are taken into account. Through similarity transformations, the governing boundary layer equations are reduced to a set of coupled non-linear ordinary differential equations and then linearized using the successive linearization method. The resultant linear system is solved using the Chebyshev pseudo spectral method. The numerical results for velocity, temperature and concentration are shown graphically. The skin-frictions are calculated and variations with pertinent More >

  • Open Access

    ARTICLE

    EFFECT OF HALL CURRENT ON MHD NATURAL CONVECTION HEAT AND MASS TRANSFER FLOW OF ROTATING FLUID PAST A VERTICAL PLATE WITH RAMPED WALL TEMPERATURE

    Gauri Shanker Seth*, Arnab Bhattacharyya, Rajat Tripathi

    Frontiers in Heat and Mass Transfer, Vol.9, pp. 1-12, 2017, DOI:10.5098/hmt.9.21

    Abstract A study on unsteady MHD natural convection flow of an optically thin, heat radiating, incompressible, viscous, chemically reactive, temperature dependent heat absorbing and electrically conducting fluid past an exponentially accelerated infinite vertical plate having ramped temperature, embedded in a porous medium is carried out, considering the effects of Hall current and rotation. Governing equations are non-dimensionalized and Laplace Transform Technique is used to find the exact solutions for non-dimensional velocity, temperature and concentration fields. The quantities of physical interest i.e. shear stress at the plate, rate of heat and mass transfers at the plate are More >

  • Open Access

    ARTICLE

    COMBINED INFLUENCE OF HALL CURRENTS AND JOULE HEATING ON HEMODYNAMIC PERISTALTIC FLOW WITH POROUS MEDIUM THROUGH A VERTICAL TAPERED ASYMMETRIC CHANNEL WITH RADIATION

    S. Ravi Kumar* , S. K. Abzal

    Frontiers in Heat and Mass Transfer, Vol.9, pp. 1-9, 2017, DOI:10.5098/hmt.9.19

    Abstract The aim of the present attempt is hall currents and joule heating on peristaltic blood flow in porous medium through a vertical tapered asymmetric channel under the influence of radiation. The Mathematical modeling is investigated by utilizing long wavelength and low Reynolds number assumptions. The indicates an appreciable increase in the axial velocity distribution with increase in hall current parameter and porosity parameter whereas the result in axial velocity distribution diminished by increase in magnetic field parameter. The result in pressure gradient reduces by rise in hall current parameter, porosity parameter and volumetric flow rate. More >

  • Open Access

    ARTICLE

    Outcomes of Blalock-Taussig shunts in current era: A single center experience

    Navaneetha Sasikumar, Antony Hermuzi, Chun-Po Steve Fan, Kyong-Jin Lee, Rajiv Chaturvedi, Edward Hickey, Osami Honjo, Glen S. Van Arsdell, Christopher A. Caldarone, Arnav Agarwal, Lee Benson

    Congenital Heart Disease, Vol.12, No.6, pp. 808-814, 2017, DOI:10.1111/chd.12516

    Abstract Objectives: Mortality associated with the modified Blalock–Taussig shunt (MBTS) remains high despite advanced perioperative management. This study was formulated to provide data on (1) current indications, (2) outcomes, and (3) factors affecting mortality and morbidity.
    Design: A retrospective single center chart review identified 95 children (excluding hypoplastic left heart lesions) requiring a MBTS. Mortality and major morbidity were analyzed using the Kaplan Meier method and risk factor analysis using Cox’s proportional hazard regression.
    Results: Median age was 8 (0–126) days, weight 3.1(1.7–5.4) kg. Seventy-three percent were neonates, 58% duct dependent and 73% had single ventricle physiology. Ninety-seven percent… More >

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