Hassan Goodarzi

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The purposes of this study are to report the efficacy of the endoscopic approach for juvenile nasopharyngeal angiofibroma (JNA) and to compare its related intra- and postoperative complications with findings from traditional approaches in the literatures. This study is a retrospective report of 47 cases of JNA that were treated with nasal endoscopic surgery(More)
Background: Hospital readmission places a high burden on both health care systems and patients. Most readmissions are thought to be related to the quality of the health care system. Objectives: The aim of this study was to examine the causes and rates of early readmission in emergency department in a Tehran hospital. Patients andMethods: A cross-sectional(More)
BACKGROUND Picture archiving and communication system (PACS) has allowed the medical images to be transmitted, stored, retrieved, and displayed in different locations of a hospital or health system. Using PACS in the emergency department will eventually result in improved efficiency and patient care. In spite of the abundant benefits of employing PACS,(More)
INTRODUCTION Clinical practice guidelines are structured recommendations that help physicians and patients to make proper decisions when dealing with a specific clinical condition. Because blunt abdominal trauma causes a various range of mild, single-system, and multisystem injuries, early detection will help to reduce mortality and resulting disability.(More)
OBJECTIVE Sulfur mustard (SM) is a potent mutagenic agent that targets several organs, particularly lung tissue. Changes in morphological structure of the airway system are associated with chronic obstructive pulmonary deficiency following exposure to SM. Although numerous studies have demonstrated pathological effects of SM on respiratory organs,(More)
Electrochemical oxidation of 3,4-dihydroxybenzoic acid (1) in the presence of 1,3-dimethylbarbituric acid (2) and 1,3-diethyl-2-thiobarbituric acid (3) as nucleophiles in aqueous solution has been studied using cyclic voltammetry and controlled-potential coulometry. The results indicate that 1 via Michael reaction under electro-decarboxylation reaction(More)
BACKGROUND Emergency Department (ED) is considered to be the heart of a hospital. Based on many studies, a well-organized physical environment can enhance efficacy. OBJECTIVES In this study, we aimed to investigate the influence of physical environment in EDs on efficacy. MATERIALS AND METHODS This analytical cross-sectional study was conducted via the(More)
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