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拉丁美洲研究 2009年第2期31卷 63-74页

作者：加布里埃尔·克斯勒玛利亚·梅塞德斯·迪·威基里奥徐琼萨米恩托将军国立大学布宜诺斯艾利斯大学全国科技研究理事会

本文分析了20世纪80年代和90年代“新贫困”的不同范围。先介绍欧洲、美国和拉美几个国家对新贫困的不同定义，而后把重点放在阿根廷，介绍20世纪70年代中期至2001年危机期间，中产阶级在不同时期所遭受的贫困化过程。在与长期结构性贫... 详细信息

本文分析了20世纪80年代和90年代“新贫困”的不同范围。先介绍欧洲、美国和拉美几个国家对新贫困的不同定义，而后把重点放在阿根廷，介绍20世纪70年代中期至2001年危机期间，中产阶级在不同时期所遭受的贫困化过程。在与长期结构性贫困的不断比较中，本文提出了贫困化历程的特点，中产阶级通过运用社会文化资本所采取的相应战略，及其社会身份的受损和城市贫困化的范围。最后谈到了从该群体开始形成至今，中产阶级中出现的变革及其对公共政策提出的具体问题。

关键词：穷人职位工作岗位中等资产阶级中产阶级布宜诺斯艾利斯市城市新贫困收入差距商品耐用消费品南美洲阿根廷服务行业服务部门服务业区域性全球性

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Randomized Clinical Study, Comparative of Parallel Groups, to Evaluate the Effectiveness of Three Preparations of Potassium Citrate in Producing an Increase in Urinary pH in Patients with a History of Kidney Stones

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Open Journal of Urology 2022年第9期12卷 459-470页

作者： Eloy González R. Tellez Mendez maria González Yibirín David Rincón Matute Policlinica las mercedes Caracas Venezuela Centro Clinico Prevaler Pampatar Venezuela Laboratorios LETI. S.A.V Guarenas Venezuela

Background: A very strict control of urinary pH is recommended to maintain it between 5.5 and 6.2, preventing formation or recurrence of crystals. Kidney stones are a common problem, with a high rate of recurrence, not altered by the success of surgery. Medical treatment prevents recurrence. Potassium Citrate inhibits crystallization of calcium salts. It influences calculogenesis by increasing urinary citrates and alkalinizing the urine. Purpose: to evaluate the similarity in the effect of three K citrate products, K citrate reference product Urocit®10 mEq, and K citrate from Laboratorios LETI S.A.V., 10 mEq and 15 mEq, on urinary pH. Materials and Methods: We carried out a prospective, randomized study of three parallel groups. We admitted female and male patients with history of kidney stones or evidence of lithiasis (grit, microlithiasis) in the renal echosonogram. Laboratory assessments: urine, 24-hour urine, urinary pH, Calcium, uric acid, Phosphorus, Sodium, protein and urinary creatinine at times: start, day 7, day 21, 30 of treatment. Results: all three products produced a slight increase in urinary pH in the simple urine test and 24-hour urine, with no differences between groups or their logarithmically transformed means and their CI95, which did not exceed the range between 80% and 125%. Conclusions: K Citrate, 10 mEq and 7.5 mEq, from Laboratorios LETI, S.A.V., at a dose of 30 mEq daily in patients with history of kidney stones are equivalent to the reference product Urocit®, in its effects on urinary pH in 24-hour urine, and in the simple urine test.

关键词： Nephrolithiasis Potassium Citrate Urine pH Pharmacodynamic Equivalence

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Duodenal duplication cyst and pancreas divisum causing acute pancreatitis in an adult male

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World Journal of Gastrointestinal Endoscopy 2010年第9期2卷 318-320页

作者： Eduardo Redondo-Cerezo Julio Pleguezuelo-Díaz mercedes López de Hierro José F Macias-Sánchez Cristina Violo Ubia María del Mar Martín-Rodríguez Javier de TeresaGalván Endoscopy Unit Gastroenterology DepartmentHospital Universitario Virgen de las NievesAvenida de las Fuerzas Armadas 2Granada 18014Spain

Duodenal duplication cysts are rare congenital abnormalities which are more commonly diagnosed in infancy and ***,in rare cases,these lesions can remain asymptomatic until *** combination of duplication cyst and pancreas divisum is extremely rare and both conditions have been linked with acute recurrent *** present the case of a 37 years-old patient who presented with repeated episodes of acute *** means of magnetic resonance imaging and endoscopic ultrasonography we discovered a duplication cyst whose cavity received drainage from the dorsal *** opening the cyst cavity to the duodenal lumen with a needle knife the patient presented no further episodes in the clinical *** literature findings and therapeutic options for these abnormalities are discussed with regard to the presented case.

关键词： Duplication cyst Pancreas divisum Acute recurrent pancreatitis Endoscopic ultrasonography

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Randomized, Double-Blind, Double-Masked, Parallel Group Clinical Study to Compare the Effectiveness of Diclofenac Potassium 150 mg, LP OD, vs Diclofenac Potassium 50 mg, TID, Three Times a Day, in Knee Osteoarthritis

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International Journal of Clinical Medicine 2023年第5期14卷 239-249页

作者： Ramón Téllez Méndez Luis Cabeza maria González Yibirin David Rincón Matute Jose Antonio Herrera Centro Clínico Prevaler Pampatar Venezuela Policlínica las mercedes Caracas Venezuela Grupo Leti Guarenas Venezuela Hospital Jose María Vargas Caracas Venezuela

Background: Osteoarthritis is a chronic disease associated with pain, inflammation, stiffness and synovial effusion, with progressive functional limitation, compromising quality of life. It progressively leads to loss or decrease in joint function. Pharmacological and non-pharmacological therapy seeks symptomatic management, complicated by a lack of adherence. After acetaminophen, non-steroidal anti-inflammatory drugs such as diclofenac are the most widely used medications. Objectives: The primary objective compared the analgesic effect of diclofenac 150 mg once daily vs. 50 mg three times daily in patients with knee osteoarthritis. The secondary objective assessed changes in quality of life. Method: One group received diclofenac 150 mg OD with placebo TTD. Another group received placebo OD and 50 mg active diclofenac (reference) TTD, both for 30 days. The evaluation of pain was carried out by a visual analog scale (VAS), at the beginning, 2, 3, 4, 15 and 30 days, quality of life (the WOMAC scale) and adverse effects, at 15 and 30 days. Results: Pain decreased significantly on days 15 and 30, compared to day 0, in both groups, without differences between groups. The total results in the WOMAC scale showed a very marked improvement at 15 and 30 days, without differences between groups. The most frequent adverse effects were constipation 6% in the reference group, and gastric discomfort 30.3% in the reference group vs 28.1%, in the Test group. Conclusions: Prolonged-release diclofenac 150 mg OD is as effective as diclofenac 50 mg TID for the treatment of patients with knee osteoarthritis.

关键词： Knee Osteoarthritis Diclofenac Visual Analog Scale WOMAC Scale

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