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Successful Use of Intercostal Muscle Flap in Cavitary Lung Lesions

Open Journal of Thoracic Surgery 2013年第1期3卷 4-7页

作者： Alaa Brik Abdel-Maged Salem Khaled Mostafa Departmeants of Cardiothoracic Surgery and Anesthesia Zagazig University Hospital Zagazig Egypt. Departments of Cardiothoracic Surgery and Anesthesia Zagazig University Hospital Zagazig Egypt.

Background: Lung cavities sometimes result from a number of pathological processes including suppurative necrosis, caseous necrosis, ischemic necrosis and cystic dilatation of lung structures. The aim of this study is to evaluate the use of intercostals muscle flap as a successful method to fill the lung cavity for reduction of symptoms and treatment of patients presented with symptomatic pulmonary cavity and to avoid the risk of pulmonary resection. Methods: This is a prospective study conducted between 2009 to 2012, in department of cardiothoracic surgery, Zagazig University Hospital. The study included 32 patients suffering from cavitary lung lesions divided into two groups, group (A): 14 patients treated by using intercostal muscle flap to fill the defect after Cavernostomy without lung resection;and group (B): 18 patients treated by traditional methods by lung resection. Patients with high risk of lung resection, suspicion of dense adhesion, symptomatic chronic lung abscess and patients with bad pulmonary function tests were included in group (A). Results: 20 patients were male and 12 were females in both groups, the large numbers of cases were lung abscess in group A (4 cases 28.5%) followed by Aspergilloma and TB cavity (3 cases 21.4%). Hemoptysis, persistent cough and expectoration were the main presentation of our patients. Poor pulmonary function was significant finding in group A (7 cases 50%). Complications reported in our study were bleeding, recurrent symptoms and one case mortality in group B after Pneuomenectomy. Conclusion: Using the intercostal muscle flap implanted inside the lung cavity after cavernostomy is a successful alternative curative method especially in cases with high risk of lung resection.

关键词： Lung Resection Intercostal Muscle Flap Lung cavities

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Increase Activity Cavitations in Liquids and Melts at Ultrasonics Processing

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Open Journal of Acoustics 2013年第3期3卷 13-15页

作者： Vladimir L. Lanin Department of Electronic Technique and Technology University of Informatics and Radioelectronics Minsk Belarus

Increase of efficiency of cavitation processes in liquids and melts is reached by gas cavities saturation with the sizes not exceeding the resonant sizes of cavitation germs. Gas saturation of liquids and melts raises... 详细信息

关键词： Ultrasonic Cavitation Gas cavities Liquids Melts

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Analysis of Heat Transfer Phenomena inside Concrete Hollow Blocks

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Journal of Building Material Science 2022年第1期4卷 21-33页

作者： Joelle Al Fakhoury Emilio Sassine Yassine Cherif Joseph Dgheim Emmanuel Antczak Thierry Chartier Lebanese University Habitat and Energy UnitGroup of MechanicalThermal and Renewable Energies-Laboratory of Applied Physics(LPA-GMTER)Faculty of SciencesFanar CampusLebanon University Artois IMT Lille DouaiJuniaUniversity LilleULR 4515Laboratoire de Génie Civil et géo Environnement(LGCgE)F-62400BéthuneFrance

During both hot and cold seasons,masonry walls play an important role in the thermal performance between the interior and the exterior of occupied *** is thus essential to analyze the thermal behavior at the hollow block’s level in order to better understand the temperature and heat flux distribution in its structure and potentially limit as much as possible the heat transfer through the *** this scope,this paper offers an experimental and numerical in-depth analysis of heat transfer phenomena inside a hollow block using a dedicated experimental setup including a well-insulated reference box and several thermocouples and fluxmeters distributed at the boundaries and inside the hollow *** block was then numerically 3D modelled and simulated using COMSOL Multiphysics under the same conditions,properties,and dimensions as the experimentally tested *** comparison between the numerical and experimental results provides very satisfactory results with relative difference of less than 4%for the computed thermal resistance.

关键词： Hollow block cavities Thermophysical properties Dynamic boundary conditions 3D modelling

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