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| 1 | Sedation in gastrointestinal endoscopy: Current issues显示文摘Diagnostic and therapeutic endoscopy can successfully be performed by applying moderate(conscious) sedation.Moderate sedation,using midazolam and an opioid,is the standard method of sedation,although propofol is increasingly being used in many countries because the satisfaction of endoscopists with propofol sedation is greater compared with their satisfaction with conventional sedation.Moreover,the use of propofol is currently preferred for the endoscopic sedation of patients with advanced liver disease due to its short biologic half-life and,consequently,its low risk of inducing hepatic encephalopathy.In the future,propofol could become the preferred sedation agent,especially for routine colonoscopy.Midazolam is the benzodiazepine of choice because of its shorter duration of action and better pharmacokinetic profile compared with diazepam.Among opioids,pethidine and fentanyl are the most popular.A number of other substances have been tested in several clinical trials with promising results.Among them,newer opioids,such as remifentanil,enable a faster recovery.The controversy regarding the administration of sedation by an endoscopist or an experienced nurse,as well as the optimal staffing of en-doscopy units,continues to be a matter of discussion.Safe sedation in special clinical circumstances,such as in the cases of obese,pregnant,and elderly individuals,as well as patients with chronic lung,renal or liver disease,requires modification of the dose of the drugs used for sedation.In the great majority of patients,sedation under the supervision of a properly trained endoscopist remains the standard practice worldwide.In this review,an overview of the current knowledge concerning sedation during digestive endoscopy will be provided based on the data in the current literature. | John K Triantafillidis Emmanuel Merikas Dimitrios Nikolakis Apostolos E Papalois | 2013 | World Journal of Gastroenterology2013，19，4： | 35 |
| 2 | History of the infantile hepatic hemangioma:From imaging to generating a differential diagnosis显示文摘We aim to provide an up-to-date summary of infantile hepatic hemangioma(IHH) and its misnomers and to dialectically present the differential diagnosis of these rare entities of the liver.Eligible peer-reviewed articles on hepatic infantile hemangiomas,published between 2000 and 2015,were reviewed for this study.IHH is the most common hepatic vascular tumor in children.Once a liver mass is identified in an infant,the differential diagnosis ranges from vascular malformations to benign and malignant tumors including mesenchymal hamartoma,hepatoblastoma,metastatic neuroblastoma,so careful physical examination,imaging studies,and,if indicated,tumor markers and biopsy,are of pivotal importance to ascertain the correct diagnosis.Despite the benign nature of IHHs,some of these lesions may demand medical and/or surgical intervention,especially for multiple and diffuse IHH.Complications can include hepatomegaly,hypothyroidism and cardiac failure.Therefore,a close follow-up is required until complete involution of the lesions.We propose an algorithm to guide the physicians towards the proper management of hepatic lesions. | Maria Gnarra Gerald Behr Alison Kitajewski June K Wu Sudha A Anupindi Carrie J Shawber Nick Zavras Dimitrios Schizas Chris Salakos Konstantinos P Economopoulos | 2016 | World Journal of Clinical Pediatrics2016，5，3： | 27 |
| 3 | Pseudopolyps in inflammatory bowel diseases: Have we learned enough?显示文摘Pseudopolyps are a well described entity in the literature and even though the exact pathogenesis of their formation is not completely understood, they are considered non-neoplastic lesions originating from the mucosa after repeated periods of inflammation and ulceration associated with excessive healing processes. Their occurrence is less common in Crohn's disease than in ulcerative colitis, and their overall prevalence ranges from 4% to 74%; moreover, they are found more often in colon but have been detected in other parts of the gastrointestinal tract as well. When their size exceeds the arbitrary point of 1.5 cm, they are classified as giant pseudopolyps. Clinical evaluation should differentiate the pseudopolyps from other polypoid lesions, such as the dysplasiaassociated mass or lesion, but this situation represents an ongoing clinical challenge. Pseudopolyps can provoke complications such as bleeding or obstruction, and their management includes medical therapy, endoscopy and surgery; however, no consensus exists about the optimal treatment approach. Patients with pseudopolyps are considered at intermediate risk for colorectal cancer and regular endoscopic monitoring is recommended. Through a review of the literature, we provide here a proposed classification of the characteristics of pseudopolyps. | Dimitrios S Politis Konstantinos H Katsanos Epameinondas V Tsianos Dimitrios K Christodoulou | 2017 | World Journal of Gastroenterology2017，23，9： | 8 |
| 4 | Cartilage oligomeric matrix protein: A novel non-invasive marker for assessing cirrhosis and risk of hepatocellular carcinoma显示文摘AIM: To assess serum cartilage oligomeric matrix protein(COMP) as a marker of cirrhosis and risk of progression to hepatocellular carcinoma(HCC). METHODS: A COMP enzyme-linked immunosorbentassay was used to test 187 patients with chronic liver diseases at the time point of first evaluation. The selected patients included 72 with chronic hepatitis B infection, 75 with chronic hepatitis C infection, 22 with primary biliary cirrhosis, 7 with autoimmune hepatitis type 1, and 11 with alcoholic liver disease. Demographic, biochemical, histological and clinical characteristics of the patients were recorded at the first evaluation. One hundred and forty-seven patients were followed for a median [interquartile range(IQR)] duration of 96.5(102) mo. The clinical, biochemical and histological data, as well as the development of cirrhosis, HCC according to internationally accepted criteria and in case of death, a liver-related cause during the follow-up period, were recorded at the electronic database of our clinic. COMP determination was also performed in 43 healthy individuals who served as the control study group.RESULTS: COMP positivity(> 15 U/L) was detected in 22%-36% among chronic liver disease groups. Strikingly, almost 83% of COMP-positive patients were cirrhotic at baseline, independently of cause of liver disease. Among the patients who developed HCC during follow-up, 73.7%(14/19) were COMP positive at baseline. COMP positivity was significantly associated with older age(P < 0.001), advanced fibrosis(P = 0.001) and necroinflammatory activity(P = 0.001), higher aspartate aminotransferase(P < 0.001), alanine aminotransferase(P < 0.02), γ-glutamyl transpeptidase(P = 0.003), alkaline phosphatase(P = 0.001), bilirubin(P < 0.05), international normalized ratio(P = 0.002) and alpha-fetoprotein levels(P < 0.02), and lower albumin(P < 0.001), and platelet count(P = 0.008). COMP levels [median(IQR)] were significantly higher in cirrhotics compared to non-cirrhotics [13.8(7.9) U/L vs 9.8(4.6) U/L, respectively; P < 0.001]. On multivariate logistic regression analysis, COMP-positivity was independently associated only with cirrhosis(OR = 4.40, 95%CI: 1.33-14.69, P = 0.015). Kaplan-Meier analysis showed that COMP positivity was significantly associated with HCC development(P = 0.007) and higher incidence of liver-related death(P < 0.001). CONCLUSION: Elevated COMP levels are strongly associated with cirrhosis and HCC progression. Serum COMP is a new promising non-invasive biomarker for HCC risk assessment in surveillance programs. | Gary L Norman Nikolaos K Gatselis Zakera Shums Christos Liaskos Dimitrios P Bogdanos George K Koukoulis George N Dalekos | 2015 | World Journal of Hepatology2015，7，14： | 7 |
| 5 | Small bowel parasitosis as cause of obscure gastrointestinal bleeding diagnosed by capsule endoscopy显示文摘Hookworm infection is a relatively common cause of anemia in endemic areas.However,it is rarely encountered in Europe.In this report we describe the case of a 24-year old patient originating from an endemic area who was admitted due to severe anemia,with an Hct of 15.6%and eosinophilia(Eosinophils:22.4%).While both esophagogastroduodenoscopy and colonoscopy were non-diagnostic,capsule endoscopy revealed a large number of hookworms infesting his small bowel and withdrawing blood.The patient was successfully treated with Albendazole.Capsule endoscopy was proven an important tool in diagnosing intestinal parasitosis. | Dimitrios K Christodoulou Dimitrios E Sigounas Konstantinos H Katsanos Georgios Dimos Epameinondas VTsianos | 2010 | World Journal of Gastrointestinal Endoscopy2010，2，11： | 7 |
| 6 | Lipidomics in non-alcoholic fatty liver disease显示文摘Non-alcoholic fatty liver disease(NAFLD),the most common chronic liver disorder in Western countries,comprises steatosis to nonalcoholic steatohepatitis(NASH),with the latter having the potential to progress to cirrhosis.The transition from isolated steatosis to NASH is still poorly understood,but lipidomics approach revealed that the hepatic lipidome is extensively altered in the setting of steatosis and steatohepatitis and these alterations correlate with disease progression.Recent data suggest that both quantity and quality of the accumulated lipids are involved in pathogenesis of NAFLD.Changes in glycerophospholipid,sphingolipid,and fatty acid composition have been described in both liver biopsies and plasma of patients with NAFLD,implicating that specific lipid species are involved in oxidative stress,inflammation,and cell death.In this article,we summarize the findings of main human lipidomics studies in NAFLD and delineate the currently available information on the pathogenetic role of each lipid class in lipotoxicity and disease progression. | Sofia Kartsoli Christina E Kostara Vasilis Tsimihodimos Eleni T Bairaktari Dimitrios K Christodoulou | 2020 | World Journal of Hepatology2020，12，8： | 5 |
| 7 | Lipoma induced jejunojejunal intussusception显示文摘Intussusception in adults is rare. The clinical picture of intussusception in adults is subtle and the diagnosis is,therefore,elusive. The presence of a structural abnor- mality in the great majority of the adult cases mandates high clinical suspicion. Gastrointestinal lipomas are rare benign tumors and intussusception due to a gastrointes- tinal lipoma constitutes an infrequent clinical entity. The present report describes a case of jejunojejunal intus- susception in an adult with a history of severe episodes of hematochezia and colicky upper abdominal pain. The diagnosis was suspected preoperatively but computed tomography scan could not rule out malignancy. Explor- atory laparotomy revealed jejunojejunal intussusception secondary to a lipoma which was successfully treated with segmental intestinal resection. | Andreas Manouras Emmanuel E Lagoudianakis Dimitrios Dardamanis Dimitrios K Tsekouras Haridimos Markogiannakis Michael Genetzakis Nikolaos Pararas Artemisia Papadima Christos Triantafillou Vagelogiannis Katergiannakis | 2007 | World Journal of Gastroenterology2007，13，26： | 4 |
| 8 | Role of wireless capsule endoscopy in the follow-up of inflammatory bowel disease显示文摘The introduction of wireless capsule endoscopy in 2000 has revolutionized our ability to visualize parts of the small bowel mucosa classically unreached by the conventional endoscope, and since the recent introduction of colon capsule endoscopy, a promising alternative method has been available for the evaluation of large bowel mucosa. The advantages of wireless capsule endoscopy include its non-invasive character and its ability to visualize proximal and distal parts of the intestine, while important disadvantages include the procedure's inability of tissue sampling and significant incompletion rate. Its greatest limitation is the prohibited use in cases of known or suspected stenosis of the intestinal lumen due to high risk of retention. Wireless capsule endoscopy plays an important role in the early recognition of recurrence, on Crohn's disease patients who have undergone ileocolonic resection for the treatment of Crohn's disease complications, and in patients' management and therapeutic strategy planning, before obvious clinical and laboratory relapse. Although capsule endoscopy cannot replace traditional endoscopy, it offers valuable information on the evaluation of intestinal disease and has a significant impact on disease reclassification of patients with a previous diagnosis of ulcerative colitis or inflammatory bowel disease unclassified/indeterminate colitis. Moreover, it may serve as an effective alternative where colonoscopy is contraindicated and in cases with incomplete colonoscopy studies. The use of patency capsule maximizes safety and is advocated in cases of suspected small or large bowel stenosis. | Ioannis V Mitselos Dimitrios K Christodoulou Konstantinos H Katsanos Epameinondas V Tsianos | 2015 | World Journal of Gastrointestinal Endoscopy2015，7，6： | 4 |
| 9 | Circulating autoantibodies to endogenous erythropoietin are associated with chronic hepatitis C virus infection-related anemia显示文摘BACKGROUND: Chronic hepatitis C virus(HCV) infection is associated with autoimmune phenomena and is often complicated by anemia. Circulating autoantibodies to endogenous erythropoietin(anti-EPO) have been detected in patients with chronic viral infections and were correlated to anemia. The present study aimed to determine anti-EPO prevalence in patients with chronic HCV infection and investigate its possible association with anemia.METHODS: Ninety-three consecutive patients(62 males and 31 females) with chronic HCV infection, who had never received antiviral therapy or recombinant EPO, were enrolled in the study. Circulating anti-EPO were detected in the serum by using an ELISA assay. Quantitative determination of serum EPO levels was done by radioimmunoassay. HCV RNA viral load measurement and genotype sequencing were also performed.RESULTS: Circulating anti-EPO were detected in 10.8% of HCV-infected patients and the prevalence of anti-EPO was significantly higher in patients with anemia(19.4% vs 5.3%, P=0.040) compared to that in those without anemia. Compared to anti-EPO negative cases, anti-EPO positive patients had higher frequency of anemia(70.0% vs 34.9%, P=0.030), lower EPO concentrations(median 16.35 vs 30.65 m U/m L, P=0.005), and higher HCV RNA viral load(median 891.5×103 vs 367.5×103 IU/m L, P=0.016). In multivariate regression analysis the presence of anti-EPO remained an independent predictor of anemia(adjusted OR: 14.303, 95% CI: 1.417-36.580, P=0.024). EPO response to anemia was less prominent among anti-EPO positive patients(P=0.001).CONCLUSIONS: Circulating anti-EPO are detected in a significant proportion of treatment-na?ve HCV-infected patients and are independently associated with anemia, suggesting a further implication of autoimmunity in the pathophysiology of HCV-related anemia. | Aristotelis Tsiakalos Theoharis Voumvas Alexandros Psarris Christina K Oikonomou Dimitrios C Ziogas Ioannis Ketikoglou Grigorios Hatzis Nikolaos V Sipsas | 2017 | Hepatobiliary & Pancreatic Diseases International2017，16，3： | 4 |
| 10 | Role of endoscopic retrograde cholangiopancreatography in pancreatic diseases显示文摘Over the last 15 years,endoscopic retrograde cholangiopancreatography (ERCP) has evolved from a diagnostic tool to one that is primarily used to provide therapy. This development occurred f irst for biliary disorders and subsequently to a lesser extent for pancreatic diseases. Computed tomography, magnetic resonance imaging,magnetic resonance cholangiopancreatography and endoscopic ultrasonography suggest a diagnosis in the majority of patients with pancreatic diseases today and can help physicians and patients avoid unnecessary ERCP. However, a selected number of patients with pancreatic diseases may benef it from pancreatic endotherapy and avoid complex surgery and chronic use of medications. Pancreatic sphincterotomy, pancreatic stenting and pancreatic cyst drainage are some of the most effective and challenging endoscopic pancreatic interventions and should be performed with caution by expert therapeutic endoscopists.There has been a paucity of randomized studies investigating endoscopic techniques in comparison with surgery and medical therapy for the treatment of most benign and malignant pancreatic disorders due to the limited number of patients and the expertise required to attempt these procedures. | Dimitrios K Christodoulou Epameinondas V Tsianos | 2010 | World Journal of Gastroenterology2010，16，38： | 3 |
| 11 | Erythrocyte Duffy antigen receptor for chemokines (DARC): diagnostic and therapeutic implications in atherosclerotic cardiovascular disease显示文摘动脉粥样硬化是煽动性的疾病。最后三个十年努力被作了阐明在 atherogenesis 和匾开发的过程被含有的生物化学的小径。Chemokines 是在这个过程的每步的关键调停人。另外,外部血的细胞的部件在动脉粥样硬化患者损害的形成和前进被证明调停人重要。然而,直到最近,数据主要正在集中于白血球和血小板。红血球被考虑 unreceptive 旁观者和有限数据在动脉粥样硬化患者匾的前进和 destabilization 支持了他们的重要性。通过他们为 chemokines (DARC ) 的 Duffy 抗原受体,最近,红血球作为导致 chemokine 的小径的呼吁的管理者被建议了。对每隔一 chemokine 受体 DARC 不一样从 CC 和 CXC chemokine 亚科为几 ligands 拥有高亲密关系。而且, DARC 没被联合到 G 蛋白质或任何另外的细胞内部的发信号系统;因此产生第二条消息不能。红血球 DARC 的准确生物化学的角色尚待坚定。它然而正在质问 DARC 是一个管理者的事实几乎每 CC 和 CXC chemokine ligand 并且因此, DARC 对抗能有效地堵住复杂 pre 煽动性的 chemokine 网络。在现在的评论我们提供在动脉粥样硬化通过 Duffy 抗原系统集中于 erythrocyte-chemokine 相互作用支持红血球的角色的最近的证据的目的。 | Stavros APOSTOLAKIS Georgios K CHALIKIAS Dimitrios N TZIAKAS Stavros KONSTANTINIDES | 2011 | Acta Pharmacologica Sinica2011，32，4： | 2 |
| 12 | Diagnosis and endoscopic treatment of esophago-bronchial fistula due to gastric heterotopy显示文摘Heterotopic gastric mucosa patches are congenital gastrointestinal abnormalities and have been reported to occur anywhere along the gastrointestinal tract from mouth to anus.Complications of heterotopic gastric mucosa include dysphagia,upper gastrointestinal bleeding,upper esophageal ring stricture,adenocarcinoma and fistula formation.In this case report we describe the diagnosis and treatment of the first case of esophago-bronchial fistula due to heterotopic gastric mucosa in mid esophagus.A 40-year old former professional soccer player was referred to our department for treatment of an esophago-bronchial fistula.Microscopic examination of the biopsies taken from the esophageal fistula revealed the presence of gastric heterotopic mucosa.We decided to do a non-surgical therapeutic endoscopic procedure.A sclerotherapy catheter was inserted through which 1 mL of ready to use synthetic surgical glue was applied in the fistula and it closed the fistula opening with excellent results. | Konstantinos H Katsanos Dimitrios K Christodoulou Sevasti Kamina Kosmidou Maria Evangelia Lambri Stavroula Theodorou Konstantinos Tsampoulas Mitsi Vasiliki Epameinondas V Tsianos | 2010 | World Journal of Gastrointestinal Endoscopy2010，2，4： | 2 |
| 13 | Association between population vitamin D status and SARS-CoV-2 related serious-critical illness and deaths:An ecological integrative approach显示文摘BACKGROUND Vitamin D population status may have possible unappreciated consequences to the coronavirus disease 2019(COVID-19)pandemic.Αsignificant association between vitamin D sufficiency and reduction in clinical severity and inpatient mortality from COVID-19 disease has recently been shown,while a recent study has claimed lower COVID-19 cases in European countries with a better vitamin D status.Low serum 25-hydroxyvitamin-D[25(OH)D]was identified as an independent risk factor for COVID-19 infection and hospitalization,and administration of 0.532 mg(21280 IU)of calcifediol or 25(OH)D,followed by 0.266 mg on days 3 and 7 and then weekly until discharge or intensive care unit admission significantly reduced the need for intensive care unit treatment.AIM To elucidate the role of vitamin D European population status in the COVID-19 pandemic,data from the Worldometer were analyzed.METHODS Linear regression explored the correlation between published representativestandardized population vitamin D concentrations and the number of total cases/million(M),recovered/M,deaths/M and serious-critically ill/M from COVID-19 for 26 European countries populated>4 M(Worldometer).Life expectancy was analyzed with semi-parametric regression.Weighted analysis of variance/analysis of covariance evaluated serious-critical/M and deaths/M by the vitamin D population status:Deficient<50,insufficient:50-62.5,mildly insufficient>62.5-75 and sufficient>75 nmol/L,while controlling for life expectancy for deaths/M.Statistical analyses were performed in XLSTAT LIFE SCIENCE and R(SemiPar Library).RESULTS Linear regression found no correlation between population vitamin D concentrations and the total cases-recovered/M,but negative correlations predicting a reduction of 47%-64%-80%in serious-critical illnesses/M and of 61%-82%-102.4%in deaths/M further enhanced when adapting for life expectancy by 133-177-221%if 25(OH)D concentrations reach 100-125-150 nmol/L,sustained on August 15,2020,indicating a truthful association.Weighted analysis of variance was performed to evaluate serious-critical/M(r2=0.22)by the vitamin D population status and analysis of covariance the deaths/M(r2=0.629)controlling for life expectancy(r2=0.47).Serious-critical showed a decreasing trend(P<0.001)from population status deficient(P<0.001)to insufficient by 9.2%(P<0.001),to mildly insufficient by 47.6%(P<0.044)and to sufficient by 100%(reference,P<0.001).For deaths/M the respective decreasing trend(P<0.001)was 62.9%from deficient(P<0.001)to insufficient(P<0.001),65.15%to mildly insufficient(P<0.001)and 78.8%to sufficient(P=0.041).CONCLUSION Achieving serum 25(OH)D 100-150 nmol/L(40-60 ng/mL)(upper tolerable daily doses followed by maintenance proposed doses not requiring medical supervision,Endocrine Society)may protect from serious-critical illness/death from COVID-19 disease. | Dimitrios T Papadimitriou Alexandros K Vassaras Michael F Holick | 2021 | World Journal of Virology2021，10，3： | 2 |
| 14 | Firework-related childhoodinjuries in Greece : a national problem 显示文摘 | Vassilia K Eleni P Dimitrios T | 2004 | Burns2004，30，2： | 1 |
| 15 | The in vivo role of p38MAP kinases in cardiac remodeling and restrictive cardiomyopathy显示文摘 | Pu L Dimitrios G Attila K | 2001 | Proc Natl Acad Sci USA2001，98，12： | 1 |
| 16 | Design and implementation of parallel time-dependent least time path algorithm for intelligent transportation systems applications显示文摘 | Athanasiso Z Dimitrios K Mahmassani H | 1997 | Transportation Research Part C1997，5，2： | 1 |
| 17 | A new TOPSIS-based multi-criteria approach to personnel selection显示文摘 | ALECOS K DIMITRIOS A | 2010 | Expert Systems with Applications2010，，37： | 1 |
| 18 | The safety and immunogenicity of an in ovo vaccine against newcastle disease virus differ between two lines of chicken显示文摘 | Dimitrios D Chen C L Pete K | 2007 | Vaccine2007，25，： | 1 |
| 19 | A review on exergy comparison of hydrogen production methods from renewable energy sources 显示文摘 | CHRISTOPHER K DIMITRIOS R | 2012 | Energy & Environmental Science2012，5，10： | 1 |
| 20 | Corrosion behavior of borided AISI H13 hot work steel 显示文摘 | George K Kariofillis Grigoris E Kiourtsidis Dimitrios N Tsipas | 2006 | Surf Coat Techn2006，201，： | 1 |
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