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| 1 | Different risk factors influence peptic ulcer disease development in a Brazilian population显示文摘AIM: To investigate age, sex, histopathology and Helicobacter pylori (H. pylori) status, as risk factors for gastroduodenal disease outcome in Brazilian dyspeptic patients.tients submitted to upper gastroscopy at Hospital das Clinicas of Marilia, antral biopsy specimens were obtained and subjected to histopathology and H. pylori diagnosis. All patients presenting chronic gastritis (CG) and peptic ulcer (PU) disease localized in the stomach, gastric ulcer (GU) and/or duodenal ulcer (DU) were included in the study. Gastric biopsies (n = 668) positive for H. pylori by rapid urease test were investigated for vacuolating cytotoxin A (vacA ) medium (m) region mosaicism by polymerase chain reaction. Logistic regression analysis was performed to verify the association of age, sex, histopathologic alterations, H. pylori diagnosis and vacA m region mosaicism with the incidence of DU, GU and CG in patients. RESULTS: Of 1466 patients submitted to endoscopy, 1060 (72.3%) presented CG [male/female = 506/554; mean age (year) ± SD = 51.2 ± 17.81], 88 (6.0%) presented DU [male/female = 54/34; mean age (year) ± SD = 51.4 ± 17.14], and 75 (5.1%) presented GU [male/female = 54/21; mean age (year) ± SD = 51.3 ± 17.12] and were included in the comparative analysis. Sex and age showed no detectable effect on CG incidence (overall c 2 = 2.1, P = 0.3423). Sex [Odds ratios (OR) = 1.8631, P = 0.0058] but not age (OR = 0.9929, P = 0.2699) was associated with DU and both parameters had a highly significant effect on GU (overall c 2 = 30.5, P < 0.0001). The histopathological results showed a significant contribution of ageing for both atrophy (OR = 1.0297, P < 0.0001) and intestinal metaplasia (OR = 1.0520, P < 0.0001). Presence of H. pylori was significantly associated with decreasing age (OR = 0.9827, P < 0.0001) and with the incidence of DU (OR = 3.6077, P < 0.0001). The prevalence of m1 in DU was statistically significant (OR = 2.3563, P = 0.0018) but not in CG (OR = 2.678, P = 0.0863) and GU (OR = 1.520, P = 0.2863). CONCLUSION: In our population, male gender was a risk factor for PU; ageing for GU, atrophy and metapla-sia; and H. pylori of vacA m1 genotype for DU. | Rodrigo Buzinaro Suzuki Rodrigo Faria Cola Larissa Tranquilino Bardela Cola Camila Garcia Ferrari Fred Ellinger Altino Luiz Therezo Luis Carlos da Silva André Eterovic Márcia Aparecida Sperana | 2012 | World Journal of Gastroenterology2012，18，38： | 8 |
| 2 | Gastroenterology case report of mesalazine-induced cardiopulmonary hypersensitivity显示文摘Mesalazine is a 5-aminosalicylic acid derivative that has been widely used to treat patients with inflammatory bowel disease. Accumulating evidence indicates that mesalazine has a very low rate of adverse drug reactions and is well tolerated by patients. However, a few cases of pulmonary and cardiac disease related to mesalazine have been reported in the past, though infrequently, preventing clinicians from diagnosing the conditions early. We describe the case of a 32-yearold man with ulcerative colitis who was admitted with a two-month history of persistent fever following mesalazine treatment initiated 14 mo earlier. At the time of admission, mesalazine dose was increased from 1.5 to 3.0 g/d, and antibiotic therapy was started with no improvement. Three weeks after admission, the patient developed dyspnea, non-productive cough, and chest pain. Severe eosinophilia was detected in laboratory tests, and a computed tomography scan revealed interstitial infiltrates in both lungs, as well as a large pericardial effusion. The bronchoalveolar lavage reported a CD4/CD8 ratio of 0.5, and an increased eosinophil count. Transbronchial biopsy examination showed a severe eosinophilic infiltrate of the lung tissue. Mesalazine-induced cardiopulmonary hypersensitivity was suspected after excluding other possible etiologies. Consequently, mesalazine treatment was suspended, and corticosteroid therapy was initiated, resulting in resolution of symptoms and radiologic abnormalities. We conclude that mesalazine-induced pulmonary and cardiac hypersensitivity should always be considered in the differential diagnosis of unexplained cardiopulmonary symptoms and radiographic abnormalities in patients with inflammatory bowel disease. | José Ferrusquía Isabel Pérez-Martínez Ricardo Gómez de la Torre María Luisa Fernández-Almira Ruth de Francisco Luis Rodrigo Sabino Riestra | 2015 | World Journal of Gastroenterology2015，21，13： | 5 |
| 3 | Second-line Therapy With Levofloxacin After Failure of Treatment to Eradicate Helicobacter pylori Infection: Time Trends in a Spanish Multicenter Study of 1000 Patients显示文摘 | Javier P. Gisbert ángeles Pérez-Aisa Fernando Bermejo Manuel Castro-Fernández Pedro Almela Jesús Barrio ángel Cosme Inés Modolell Felipe Bory Miguel Fernández-Bermejo Luis Rodrigo Jesús Ortu?o Pilar Sánchez-Pobre Sam Khorrami Alejandro Franco Albert Tomas | 2013 | Journal of Clinical Gastroenterology2013，，2： | 5 |
| 4 | Intraoperative laparoscopic complications for urological cancer procedures显示文摘AIM: To structure the rate of intraoperative complications that requires an intraoperative or perioperative resolution. METHODS: We perform a literature review of Medline database. The research was focused on intraoperative laparoscopic procedures inside the field of urological oncology. General rate of perioperative complications in laparoscopic urologic surgery is described to be around 12.4%. Most of the manuscripts published do not make differences between pure intraoperative, intraoperative with postoperative consequences and postoperative complications. RESULTS: We expose a narrative statement of complications, possible solutions and possible preventions for most frequent retroperitoneal and pelvic laparoscopic surgery. We expose the results with the following order: retroperitoneal laparoscopic surgery(radical nephrectomy, partial nephrectomy, nephroureterectomy and adrenalectomy) and pelvic laparoscopic surgery(radical prostatectomy and radical cystectomy).CONCLUSION: Intraoperative complications vary from different series. More scheduled reports should be done in order to better understand the real rates of complications. | Sergio Fernández-Pello Montes Ivan Gonzalez Rodríguez Rodrigo Gil Ugarteburu Luis Rodríguez Villamil Begoa Diaz Mendez Patricio Suarez Gil Javier Mosquera Madera | 2015 | World Journal of Clinical Cases2015，3，5： | 4 |
| 5 | Does an association exist between chronic pancreatitis and liver cirrhosis in alcoholic subjects?显示文摘AIM: To study the possible association between chronic pancreatitis (CP) and liver cirrhosis (LC) of alcoholic etiology,after excluding any other causes.METHODS: One hundred and forty consecutive alcoholic patients were subdivided into three groups: CP (n = 53),LC (n = 57),and asymptomatic alcoholic (n = 30).Clinical,biochemical and morphological characteristics,Child-Pugh index,indocyanine green test,and fecal pancreatic elastase-1 test were assessed.RESULTS: In patients with cirrhosis,major clinical manifestations of CP such as pancreatic pain and steatorrhea,as well as imaging alterations of CP such as calcifications,duct dilation and pseudocysts were absent; insulin-dependent diabetes was present in 5.3% of cases,and elastase-1 test was altered in only 7%,and severely altered in none.In patients with CP,clinical characteristics of cirrhosis such as ascites,encephalopathy and gastrointestinal hemorrhage were present in one case,Child-Pugh grade > A in 5.7%,and altered indocyanine green test in 1.9% cases.In asymptomatic alcoholism,there was only a non-coincident alteration of elastase-1 test and indocyanine test in 14.8% and 10%,respectively,but other characteristics of cirrhosis or CP were absent.An inverse correlation (r = -0.746) between elastase-1 test and indocyanine test was found in alcoholic patients.CONCLUSION: There is a scarce coincidence in clinical and morphological alterations among patients with CP or LC of alcoholic etiology,but an inverse correlation between pancreatic and liver function tests.These findings support that these alcoholic diseases evolve in a different manner and have different etiopathogenesis. | Luis Aparisi Luis Sabater Juan Del-Olmo Juan Sastre Miguel-Angel Serra Ricardo Campello Daniel Bautista Abdalla Wassel José-Manuel Rodrigo | 2008 | World Journal of Gastroenterology2008，14，40： | 4 |
| 6 | Celiac disease显示文摘Celiac disease (CD) is a common autoimmune disorder,induced by the intake of gluten proteins present inwheat, barley and rye. Contrary to common belief,this disorder is a protean systemic disease, ratherthan merely a pure digestive alteration. CD is closelyassociated with genes that code HLA-II antigens, mainlyof DQ2 and DQ8 classes. Previously, it was considered tobe a rare childhood disorder, but is actually considereda frequent condition, present at any age, which mayhave multiple complications. Tissue transglutaminase-2(tTG), appears to be an important component of thisdisease, both, in its pathogenesis and diagnosis. ActiveCD is characterized by intestinal and/or extra-intestinalsymptoms, villous atrophy and crypt hyperplasia, andstrongly positive tTG auto-antibodies. The duodenalbiopsy is considered to be the “gold standard” fordiagnosis, but its practice has significant limitations inits interpretation, especially in adults. Occasionally, itresults in a false-negative because of patchy mucosalchanges and the presence of mucosal villous atrophyis often more severe in the proximal jejunum, usuallynot reached by endoscopic biopsies. CD is associatedwith increased rates of several diseases, such as irondef iciency anemia, osteoporosis, dermatitis herpetiformis,several neurologic and endocrine diseases, persistentchronic hypertransami-nasemia of unknown origin,various types of cancer and other autoimmune disorders.Treatment of CD dictates a strict, life-long gluten-freediet, which results in remission for most individuals,although its effect on some associated extraintestinalmanifestations remains to be established. | Luis Rodrigo | 2006 | World Journal of Gastroenterology2006，12，41： | 3 |
| 7 | Methylation of DAPK and THBS1 genes in esophageal gastric-type columnar metaplasia显示文摘AIM: To explore methylation of DAPK, THBS1, CDH-1, and p14 genes, and Helicobacter pylori(H. pylori) status in individuals harboring esophageal columnar metaplasia.METHODS: Distal esophageal mucosal samples obtained by endoscopy and histologically diagnosed as gastric-type(non-specialized) columnar metaplasia, were studied thoroughly. DNA was extracted from paraffin blocks, and methylation status of deathassociated protein kinase(DAPK), thrombospondin-1(THBS1), cadherin-1(CDH1), and p14 genes, was examined using a methyl-sensitive polymerase chain reaction(MS-PCR) and sodium bisulfite modification protocol. H. pylori cag A status was determined by PCR.RESULTS: In total, 68 subjects(33 females and 35 males), with a mean age of 52 years, were included. H. pylori cag A positive was present in the esophageal gastric-type metaplastic mucosa of 18 individuals. DAPK, THSB1, CDH1, and p14 gene promoters were methylated by MS-PCR in 40(58.8%), 33(48.5%), 46(67.6%), and 23(33.8%) cases of the 68 esophageal samples. H. pyloristatus was associated with methylation of DAPK(P = 0.003) and THBS1(P = 0.019).CONCLUSION: DNA methylation occurs in cases of gastric-type(non-specialized) columnar metaplasia of the esophagus, and this modification is associated with H. pylori cag A positive infection. | Roberto Herrera-Goepfert Luis F Onate-Ocana José Luis Mosqueda-Vargas Luis A Herrera Clementina Castro Julia Mendoza Rodrigo González-Barrios | 2016 | World Journal of Gastroenterology2016，22，18： | 3 |
| 8 | Endoscopic management of massive rectal bleeding from a Dieulafoy’s lesion:Case report显示文摘BACKGROUND Rectal Dieulafoy's lesions (DLs) are very rare;however, they can be life threatening when presented with massive hemorrhage. CASE SUMMARY A 44-year-old female with medical history of chronic renal failure who was on renal replacement therapy presented with lower gastrointestinal hemorrhage. Physical examination revealed signs of hypovolemic shock and massive rectal bleeding. Complete blood count revealed abrupt decrease in hematocrit. After hemodynamic stabilization, an urgent colonoscopy was performed. A rectal DL was diagnosed, and it was successfully treated with two hemoclips. There were no signs of recurrent bleeding at thirty days of follow-up. CONCLUSION Rectal DLs represent an unusual cause of lower gastrointestinal bleeding. Massive hemorrhage can increase the morbidity and mortality of these patients. Endoscopic management continues to be the reference standard in the diagnosis and therapy of these lesions. Thermal, mechanical (hemoclip or band ligation), or combination therapy (adrenaline injection combined with thermal or mechanical therapy) should be considered the first choice for treatment. | Mario Rene Pineda-De Paz Massiel Madelin Rosario-Morel Jose Guadalupe Lopez-Fuentes Luis Ariel Waller-Gonzalez Rodrigo Soto-Solis | 2019 | World Journal of Gastrointestinal Endoscopy2019，11，7： | 2 |
| 9 | Characterization and clinical impact of antinuclear antibodies in primary biliary cirrhosis显示文摘 | Paolo Muratori Luigi Muratori Rodolfo Ferrari Fabio Cassani Giampaolo Bianchi Marco Lenzi Luis Rodrigo Antonio Linares Dolores Fuentes Francesco B Bianchi | 2003 | The American Journal of Gastroenterology2003，，2： | 2 |
| 10 | Involvement of DNA methylation in tree development and micropropagation显示文摘 | Luis V Rodrigo H Monica M | 2007 | Plant Cell Tiss Organ Cult2007，91，2： | 1 |
| 11 | A DNA methylation signature associated with aberrant promoter DNA hypermethylation of DNMT3B in human colorectal cancer显示文摘 | Covadonga Huidobro Rocío G. Urdinguio Ramón María Rodríguez Cristina Mangas Vincenzo Calvanese Pablo Martínez-Camblor Cecilia Ferrero Adolfo Parra-Blanco Luis Rodrigo álvaro J. Obaya Laura Suárez-Fernández Aurora Astudillo Henar Hernando Esteban Ballestar | 2011 | European Journal of Cancer2011，，14： | 1 |
| 12 | Effect of different biofloc levels on microbial activity, water quality and performance of Litopenaeus vannamei in a tank system operated with no water exchange显示文摘 | Rodrigo Schveitzer Rafael Arantes Patrícia Fóes S. Costódio Carlos M. do Espírito Santo Luis Vinatea Arana Walter Quadros Seiffert Edemar Roberto Andreatta | 2013 | Aquacultural Engineering2013，，： | 1 |
| 13 | Celiac Disease and Autoimmune-Associated Conditions显示文摘 | Eugenia Lauret Luis Rodrigo Anne Astier | 2013 | BioMed Research International2013，，： | 1 |
| 14 | Chromium determination in pharmaceutical grade barium sulfate by solid sampling electrothermal atomic absorption spectrometry with Zeeman - effect back- ground correction 显示文摘 | Rodrigo Cordeiro Bolzan Luis Frederico Rodrigues Julio Cezar Paz de Mattos | 2007 | Talanta2007，74，1： | 1 |
| 15 | Targeting resolvins in cholestatic liver injury显示文摘In general terms,the acute inflammatory reaction in conditions of infection or tissue damage is a response of the immune system to cope with survival and return to homeostasis.Temporarily,the reaction is initiated by edema followed by the progressive accumulation of polymorphonuclear leukocytes(PMN)and monocytes that differentiate into macrophages,with production of pro-inflammatory mediators such as leukotrienes(e.g.,LTB4)and prostaglandins(e.g.,PGE2,PGI2,PGF2),which in excess may progress to chronic inflammation(1).Considering that the acute inflammatory response is a protective and self-limited phenomenon,its resolution is an active programmed reaction that is set in by specific pro-resolving mediators(SPMs),which are derived from n-3 polyunsaturated fatty acids(n-3 PUFAs). | Luis AVidela Rodrigo Valenzuela | 2021 | Hepatobiliary Surgery and Nutrition2021，10，5： | 1 |
| 16 | Duodenal biopsy may be avoided when high transglutaminase antibody titers are present显示文摘AIM:To evaluate the predictive value of tissue transglutaminase (tTG) antibodies for villous atrophy in adult and pediatric populations to determine if duodenal biopsy can be avoided.METHODS: A total of 324 patients with celiac disease (CD; 97 children and 227 adults) were recruited prospectively at two tertiary centers. Human IgA class anti-tTG antibody measurement and upper gastrointestinal endoscopy were performed at diagnosis. A second biopsy was performed in 40 asymptomatic adults on a gluten-free diet (GFD) and with normal tTG levels.RESULTS: Adults showed less severe histopathology (26% vs 63%, P<0.0001) and lower tTG antibody titers than children. Levels of tTG antibody correlated with Marsh type in both populations (r=0.661, P<0.0001). Multiple logistic regression revealed that only tTG antibody was an independent predictor for Marsh type 3 lesions, but clinical presentation type and age were not. A cut-off point of 30 U tTG antibody yielded the highest area under the receiver operating characteristic curve (0.854). Based on the predictive value of this cut-off point, up to 95% of children and 53% of adults would be correctly diagnosed without biopsy. Despite GFDs and decreased tTG antibody levels, 25% of the adults did not recover from villous atrophy during the second year after diagnosis.CONCLUSION: Strongly positive tTG antibody titers might be sufficient for CD diagnosis in children. However, duodenal biopsy cannot be avoided in adults because disease presentation and monitoring are different. | Santiago Vivas Jose G Ruiz de Morales Sabino Riestra Laura Arias Dolores Fuentes Noemi Alvarez Sara Calleja Mercedes Hernando Blanca Herrero Javier Casqueiro Luis Rodrigo | 2009 | World Journal of Gastroenterology2009，15，38： | 1 |
| 17 | Relationship between in vivo chlorzoxazone hydroxylation, hepatic cytochrome P450 2E1 content and liver injury in obese non-alcoholic fatty liver disease patients显示文摘 | Myriam Orellana Ramón Rodrigo Nelson Varela Julia Araya Jaime Poniachik Attila Csendes Gladys Smok Luis A. Videla | 2005 | Hepatology Research2005，，1： | 1 |
| 18 | Cryopreservation of Cyrtopodium hatschbachii Pabst (Orchidaceae) immature seeds by encapsulation-dehydration显示文摘The aim of the present study was to investigate the efficiency of the encapsulation-dehydration technique for cryopreservation of Cyrtopodium hastchbachii Pabst seeds.Immature seeds of this species were cryopreserved by an encapsulation-dehydration technique.Seeds of five immature pods,120 days after pollination,were encapsulated in 3%calcium alginate matrix and pretreated in liquid medium supplemented with 0.08 M sucrose(24 h),0.15 M sucrose(24 h),0.25 M sucrose(48 h),0.5 M sucrose(24 h)and 0.75 M sucrose(24 h)in shaker at 60 rpm.Alginate beads were dehydrated 5 h in silicagel and immersed in liquid nitrogen for 12 h.Cryopreserved beads were thawed at 30℃ for 1 min,rehydrated using the same liquid mediums[0.75 M sucrose(24 h),0.5 M sucrose(24 h),0.25 M sucrose(48 h)and 0.15 M sucrose(24 h)]and cultivated in half strength Murashige&Skoog medium(1962)with the addition of 2 g/L activated charcoal.Sixty four percent of seeds survived and developed into acclimatized plants after being cryopreserved.In this work,the encapsulation-dehydration technique was employed for first time in Cyrtopodium hatschbachii. | MAURO RODRIGO SURENCISKI EDUARDO ALBERTO FLACHSLAND GRACIELA TERADA LUIS AMADO MROGINSKI AND HEBE YOLANDA REY | 2012 | BIOCELL2012，36，1： | 1 |
| 19 | Direct Measurement of Proximal Isovelocity Surface Area by Single-Beat Three-Dimensional Color Doppler Echocardiography in Mitral Regurgitation: A Validation Study显示文摘 | Jose Alberto de Agustín Pedro Marcos-Alberca Covadonga Fernandez-Golfin Alexandra Gon?alves Gisela Feltes Ivan Javier Nu?ez-Gil Carlos Almeria Jose Luis Rodrigo Leopoldo Perez de Isla Carlos Macaya Jose Zamorano | 2012 | Journal of the American Society of Echocardiography2012，，8： | 1 |
| 20 | Diagnostic value of adenosine deaminase isoenzymes in ascitic fluid显示文摘 | Eloy Fernández Sara Garcia Faustino Gutiérrez Guillermo Ocio Luis Rodrigo Sabino Riestra | 1999 | The American Journal of Gastroenterology1999，，12： | 1 |
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