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| 1 | Psoriasis of von Zumbusch显示文摘 | Jaime TJ Rodrigues BA Jaime TJ | 2009 | An Bras Dermatol2009，84，3： | 1 |
| 2 | Impact of the timing of capsule endoscopy in overt obscure gastrointestinal bleeding on yield and rebleeding rate-is sooner than 14 d advisable?显示文摘AIM To evaluate the impact of the timing of capsule endoscopy(CE) in overt-obscure gastrointestinal bleeding(OGIB). METHODS Retrospective, single-center study, including patients submitted to CE in the setting of overt-OGIB between January 2005 and August 2017. Patients were divided into 3 groups according to the timing of CE(≤ 48 h; 48 h-14 d; ≥ 14 d). The diagnostic and therapeutic yield(DY and TY), the rebleeding rate and the time to rebleed were calculated and compared between groups. The outcomes of patients in whom CE was performed before(≤ 48 h) and after 48 h(> 48 h), and before(< 14 d) and after 14 d(≥ 14 d), were alsocompared.RESULTS One hundred and fifteen patients underwent CE for overt-OGIB. The DY was 80%, TY-46.1% and rebleeding rate-32.2%. At 1 year 17.8% of the patients had rebled. 33.9% of the patients performed CE in the first 48 h, 30.4% between 48 h-14 d and 35.7% after 14 d. The DY was similar between the 3 groups(P = 0.37). In the ≤ 48 h group, the TY was the highest(66.7% vs 40% vs 31.7%, P = 0.005) and the rebleeding rate was the lowest(15.4% vs 34.3% vs 46.3% P = 0.007). The time to rebleed was longer in the ≤ 48 h group when compared to the > 48 h groups(P = 0.03).CONCLUSION Performing CE within 48 h from overt-OGIB is associated to a higher TY and a lower rebleeding rate and longer time to rebleed. | Catarina Gomes Rolando Pinho Adélia Rodrigues Ana Ponte Joana Silva Jaime Pereira Rodrigues Mafalda Sousa Joao Carlos Silva Joao Carvalho | 2018 | World Journal of Gastrointestinal Endoscopy2018，10，4： | 1 |
| 3 | Appropriateness of the study of iron deficiency anemia prior to referral for small bowel evaluation at a tertiary center显示文摘AIM To evaluate the adequacy of the study of iron deficiency anemia(IDA)in real life practice prior to referral to a gastroenterology department for small bowel evaluation.METHODS All consecutive patients referred to a gastroenterology department for small bowel investigation due to iron deficiency anemia,between January 2013 and December2015 were included.Both patients referred from general practitioners or directly from different hospital departments were selected.Relevant clinical information regarding prior anemia workup was retrospectively collected from medical records.An appropriate pre-referral study was considered the execution of esophagogastroduodenoscopy(EGD)with Helicobacter pylori(H.pylori)investigation,colonoscopy with quality standards(recent,total and with adequate preparation)and celiac disease(CD)screening(through serologic testing and/or histopathological investigation).RESULTS A total of 77 patients(58.4% female,mean age 67.1±16.7 years)were included.Most(53.2%)patients were referred from general practitioners,41.6% from other hospital specialties and 5.2% directly from the emergency department.The mean pre-referral hemoglobin concentration was 8.8±2.0 g/d L and the majority of anemias had microcytic(71.4%)and hypochromic(72.7%)characteristics.77.9%of patients presented with an incomplete pre-referral study:EGD in 97.4%,with H.pylori investigation in 58.3%,colonoscopy with quality criteria in 63.6%,and CD screening in 24.7%.Patients with an appropriate study at the time of referral were younger(48.7±17.7 vs 72.3±12.3 years,P<0.001).Small bowel evaluation was ultimately undertaken in 72.7%of patients,with a more frequent evaluation in patients with a quality colonoscopy at referral(78.6%vs 23.8%);P<0.001(OR=11.7,95%CI:3.6-38.6).The most common diagnosis regarded as the likely cause of IDA was small bowel angioectasia(18.2%)but additional causes were also found in the upper and lower gastrointestinal tracts of near 20% of patients.Small bowel studies detected previously unknown non-small bowel findings in 7.7% of patients.CONCLUSION The study of anemia prior to referral to gastroenterology department is unsatisfactory.Only approximately a quarter of patients presented with an appropriate study. | Jaime Pereira Rodrigues Rolando Pinho Joana Silva Ana Ponte Mafalda Sousa Joao Carlos Silva Joao Carvalho | 2017 | World Journal of Gastroenterology2017，23，24： | 0 |
| 4 | Can gadoxetic acid–enhanced magnetic resonance imaging be used to avoid liver biopsy in patients with nonalcoholic fatty liver disease?显示文摘BACKGROUND Nonalcoholic fatty liver disease(NAFLD)is a major cause of liver disease worldwide.The diagnosis of nonalcoholic steatohepatitis(NASH),the most severe form of NAFLD,is crucial and has prognostic and therapeutic implications.However,currently this diagnosis is based on liver biopsy and has several limitations.AIM To evaluate the performance of gadoxetic acid–enhanced magnetic resonance imaging(GA-MRI)in differentiating isolated steatosis from NASH in patients with NAFLD.METHODS In this prospective study,56 patients with NAFLD(18 with isolated steatosis and 38 with NASH)underwent GA-MRI.The contrast enhancement index(CEI)was calculated as the rate of increase of the liver-to-muscle signal intensity ratio from before and 20 min after intravenous GA administration.Between-group differences in mean CEI were examined using Student's t test.The area under the receiver operator characteristic curve and the diagnostic performance of gadoxetic acid–enhanced magnetic resonance imaging were evaluated.RESULTS The mean CEI for all subjects was 1.82±0.19.The mean CEI was significantly lower in patients with NASH than in those with isolated steatosis(P=0.008).Two CEI cut-off points were used:<1.66(94%specificity)to characterize NASH and>2.00(89%sensitivity)to characterize isolated steatosis.CEI values between 1.66 and 2.00 indicated liver biopsy,and the procedure could be avoided in 40%of patients with NAFLD.CONCLUSION GA-MRI is an effective noninvasive method that may be useful for the differentiation of NASH from isolated steatosis,and could help to avoid liver biopsy in patients with NAFLD. | Viviane Brandão Amorim Daniella Braz Parente Fernando Fernandes Paiva Jaime Araújo Oliveira Neto Amanda Almeida Miranda Cláudia Cravo Moreira Flávia Ferreira Fernandes Carlos Frederico FerreiraCampos Nathalie Carvalho Leite Renata de Mello Perez Rosana Souza Rodrigues | 2020 | World Journal of Hepatology2020，12，9： | 0 |
| 5 | Utility of the balloon-overtube-assisted modified over-thewire stenting technique to treat post-sleeve gastrectomy complications显示文摘AIM To describe a modified technique of deployment of stents using the overtube developed for balloonassisted enteroscopy in post-sleeve gastrectomy(SG) complications. METHODS Between January 2010 and December 2015, all patients submitted to an endoscopic stenting procedure to treat a post-SG stenosis or leakage were retrospectively collected. Procedures from patients in which the stent was deployed using the balloon-overtube-assisted modified over-the-wire(OTW) stenting technique were described. The technical success, corresponding to proper placement of the stent in the stomach resulting in exclusion of the SG leak or the stenosis, was evaluated. Complications related to stenting were also reported.RESULTS Five procedures were included to treat 2 staple line leaks and 3 stenoses. Two types of stents were used, including a fully covered self-expandable metal stent designed for the SG anatomy(Hanarostent, ECBB-30-240-090; M.I. Tech, Co., Ltd, Seoul, SouthKorea) in 4 procedures and a biodegradable stent(BD stent 019-10A-25/20/25-080, SX-ELLA, Hradec Kralove, Czech Republic) in the remaining procedure. In all cases, an overtube was advanced with the endoscope through the SG to the duodenum. After placement of the guidewire and removal of the endoscope, the stent was easily advanced through the overtube. The overtube was pulled back and the stent was successfully deployed under fluoroscopic guidance. Technical success was achieved in all patients.CONCLUSION The adoption of a modified technique of deployment of OTW stents using an overtube may represent an effective option in the approach of SG complications. | Ana Ponte Rolando Pinho Luísa Proenca Joana Silva Jaime Rodrigues Mafalda Sousa Joao Carlos Silva Joao Carvalho | 2017 | World Journal of Gastrointestinal Endoscopy2017，9，6： | 0 |
| 6 | Yield of capsule endoscopy in obscure gastrointestinal bleeding:A comparative study between premenopausal and menopausal women显示文摘AIM To evaluate differences in capsule endoscopy(CE) performed in the setting of obscure gastrointestinal bleeding(OGIB) among premenopausal women(PMW) and menopausal women(MW).METHODS Retrospective, single-center study, including female patients submitted to CE in the setting of OGIB between May 2011 and December 2016. Patients were divided into 2 groups according to age, considering fertile age as ≤ 55 years and postmenopausal age as > 55 years. The diagnostic yield(DY), the rebleeding rate and the time to rebleed were evaluated and compared between groups. Rebleeding was defined as a drop of Hb > 2 g/dL or need for transfusional support or presence of melena/hematochezia.RESULTS A hundred and eighty three female patients underwent CE for OGIB, of whom 30.6%(n = 56) were PMW and 69.4%(n = 127) were MW. The DY was 30.4% in PMW and 63.8% in MW. The most common findings were angiodysplasias in both groups(PMW: 21.4%, MW: 44.9%)(P = 0.003). In PMW, only 1.8% required therapeutic endoscopy. In 17.3% of MW, CE findingsled to additional endoscopic treatment. Rebleeding at 1, 3 and 5 years in PMW was 3.6%, 10.2%, 10.2% and 22.0%, 32.3% and 34.2% in MW. Postmenopausal status was significantly associated with higher DY(P < 0.001), TY(P = 0.003), rebleeding(P = 0.031) and lower time to rebleed(P = 0.001).CONCLUSION PMW with suspected OGIB are less likely to have significant findings in CE. In MW DY, need for endoscopic treatment and rebleeding were significantly higher while time to rebleed was lower. | Joao Carlos Silva Rolando Pinho Adélia Rodrigues Ana Ponte Jaime Pereira Rodrigues Mafalda Sousa Catarina Gomes Joao Carvalho | 2018 | World Journal of Gastrointestinal Endoscopy2018，10，10： | 0 |
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