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| 1 | Gastroenterology in developing countries:Issues and advances显示文摘Developing countries shoulder a considerable burden of gastroenterological disease. Infectious diseases in particular cause enormous morbidity and mortality. Diseases which afflict both western and developing countries are often seen in more florid forms in poorer countries. Innovative techniques continuously improve and update gastroenterological practice. However, advances in diagnosis and treatment which are commonplace in the West, have yet to reach many developing countries. Clinical guidelines, based on these advances and collated in resource-rich environments,lose their relevance outside these settings. In this two-part review, we first highlight the global burden of gastroenterological disease in three major areas: diarrhoeal diseases, hepatitis B, and Helicobacter pylori . Recent progress in their management is explored, with consideration of future solutions. The second part of the review focuses on the delivery of clinical services in developing countries. Inadequate numbers of healthcare workers hamper efforts to combat gastroenterological disease. Reasons for this shortage are examined, along with possibilities for increased specialist training. Endoscopy services, the mainstay of gastroenterology in the West, are in their infancy in many developing countries. The challenges faced by those setting up a service are illustrated by the example of a Nigerian endoscopy unit. Finally, we highlight the limited scope of many clinical guidelines produced in western countries. Guidelines which take account of resource limitations in the form of 'cascades' are advocated in order to make these guidelines truly global. Recognition of the different working conditions facing practitioners worldwide is an important step towards narrowing the gap between gastroenterology in rich and poor countries. | Kate L Mandeville Justus Krabshuis Nimzing Gwamzhi Ladep Chris JJ Mulder Eamonn MM Quigley Shahid A Khan | 2009 | World Journal of Gastroenterology2009，15，23： | 8 |
| 2 | Colonoscopic yield of colorectal neoplasia in daily clinical practice显示文摘AIM:To assess the prevalence and location of ad-vanced neoplasia in patients undergoing colonoscopy,and to compare the yield per indication.METHODS:In a multicenter colonoscopy survey (n = 18 hospitals) in the Amsterdam area (Northern Holland),data of all colonoscopies performed during a three month period in 2005 were analyzed. The location and the histological features of all colonic neoplasia were recorded. The prevalence and the distribution ofadvanced colorectal neoplasia and differences in yield between indication clusters were evaluated. Advanced neoplasm was defi ned as adenoma > 10 mm in size,with > 25% villous features or with high-grade dyspla-sia or cancer.RESULTS:A total of 4623 eligible patients underwent a total colonoscopy. The prevalence of advanced neo-plasia was 13%,with 281 (6%) adenocarcinomas and 342 (7%) advanced adenomas. Sixty-seven percent and 33% of advanced neoplasia were located in the distal and proximal colon,respectively. Of all patients with right-sided advanced neoplasia (n = 228),51% had a normal distal colon,whereas 27% had a syn-chronous distal adenoma. Ten percent of all colono-scopies were performed in asymptomatic patients,7% of whom had advanced neoplasia. In the respective procedure indication clusters,the prevalence of right-sided advanced neoplasia ranged from 11%-57%. CONCLUSION:One out of every 7-8 colonoscopies yielded an advanced colorectal neoplasm. Colonoscopy is warranted for the evaluation of both symptomatic and asymptomatic patients. | Jochim S Terhaar sive Droste Mike E Craanen Rene WM van der Hulst Joep F Bartelsman Dick P Bezemer Kim R Cappendijk Gerrit A Meijer Linde M Morsink Pleun Snel Hans ARE Tuynman Roy LJ van Wanrooy Eric IC Wesdorp Chris JJ Mulder | 2009 | World Journal of Gastroenterology2009，15，9： | 6 |
| 3 | Efficacy of thioguanine treatment in inflammatory bowel disease: A systematic review显示文摘AIM To critically assess the available literature regarding the efficacy of thioguanine treatment in inflammatory bowel disease(IBD) patients, irrespective of the(hepato-) toxicity profile.METHODS A systematic literature search of the MEDLINE database using Pub Med was performed using the keywords 'thioguanine', '6-TG', 'thioguanine', 'inflammatory bowel disease', 'IBD', 'Crohn's disease', 'Ulcerative colitis' and 'effectiveness' in order to identify relevant articles published in English starting from 2000. Reference lists of the included articles were crosschecked for missing articles. Reviewed manuscripts concerning the effectiveness of thioguanine treatment in IBD were reviewed by the authors and the data were extracted. Data were subsequently analyzed with descriptive statistics. Due to the lack of standardized outcomes, a formal meta-analysis was not performed.RESULTS A total of 11 applicable studies were found that involved the effectiveness of thioguanine therapy in IBD. Eight studies were conducted in a prospectivemanner, in the remaining three studies, data was collected retrospectively. In total, 353 IBD-patients(225 patients with Crohn's disease, 119 with ulcerative colitis and nine with unclassified IBD) with prior azathioprine/mercaptopurine resistance and/or intolerance(n = 321) or de novo thioguanine administration(n = 32) were included for analysis, of which 228(65%) had clinical improvement on thioguanine therapy, based on standard IBD questionnaires, biochemical parameters or global physician assessments. Short-term results were based on 268 treatment years(median follow-up 9 mo, range 3-22 mo) with a median daily dose of 20 mg(range 10-80 mg). Discontinuation, mostly due to adverse events, was reported in 72 patients(20%). CONCLUSION The efficacy of thioguanine therapy in IBD patients intolerant to conventional thiopurine therapy is observed in 65%, with short term adverse events in 20% of patients. | Berrie Meijer Chris JJ Mulder Godefridus J Peters Adriaan A van Bodegraven Nanne KH de Boer | 2016 | World Journal of Gastroenterology2016，22，40： | 5 |
| 4 | Coeliac disease in Dutch patients with Hashimoto’s thyroiditis and vice versa显示文摘AIM: To define the association between Hashimoto’s thyroiditis and coeliac disease in Dutch patients. METHODS: A total of 104 consecutive patients with Hashimoto’s thyroiditis underwent coeliac serological tests (antigliadins, transglutaminase and endomysium antibodies) and HLA-DQ typing. Small intestinal biopsy was performed when any of coeliac serological tests was positive. On the other hand, 184 patients with coeliac disease were subjected to thyroid biochemical (thyroid stimulating hormone and free thyroxine) and thyroid serological tests (thyroglobulin and thyroid peroxidase antibodies). RESULTS: Of 104 patients with Hashimoto’s thyroiditis, sixteen (15%) were positive for coeliac serology and five patients with documented villous atrophy were diagnosed with coeliac disease (4.8%; 95% CI 0.7-8.9). HLA-DQ2 (and/or -DQ8) was present in all the five and 53 patients with Hashimoto’s thyroiditis (50%; 95% CI 43-62). Of 184 patients with coeliac disease, 39 (21%) were positive for thyroid serology. Based on thyroid biochemistry, the 39 patients were subclassified into euthyroidism in ten (5%; 95% CI 2-9), subclinicalhypothyroidism in seven (3.8%; 95% CI 1.8-7.6), and overt hypothyroidism (Hashimoto’s thyroiditis) in 22 (12%; 95% CI 8-16). Moreover, four patients with coeliac disease had Graves’ disease (2%; 95% CI 0.8-5) and one patient had post-partum thyroiditis. CONCLUSION: The data from a Dutch population confirm the association between Hashimoto’s thyroiditis and coeliac disease. Screening patients with Hashimoto’s thyroiditis for coeliac disease and vice versa is recom- mended. | Muhammed Hadithi Hans de Boer Jos WR Meijer Frans Willekens Jo A Kerckhaert Roel Heijmans Amado Salvador Pea Coen DA Stehouwer Chris JJ Mulder | 2007 | World Journal of Gastroenterology2007，13，11： | 4 |
| 5 | Retrospective analysis of old-age colitis in the Dutch inflammatory bowel disease population显示文摘AIM: To describe the characteristics of Dutch patients with chronic inflammatory bowel disease (IBD) first diagnosed above 60 years of age-a disease also known as old-age colitis (OAC) and to highlight a condition that has a similar appearance to IBD, namely segmen- tal colitis associated with diverticular disease (SCAD). METHODS: A retrospective longitudinal survey of patient demographic and clinical characteristics, disease characteristics, diagnostic methods, management and course of disease was performed. The median follow-up period was 10 years. RESULTS: Of a total of 1100 IBD patients attending the Department of Gastroenterology, 59 (5%) [median age 82 years (range 64-101); 25 male (42%)] were identified. These patients were diagnosed with ulcerative colitis (n = 37, 61%), Crohn’s disease (n = 14, 24%), and indeterminate colitis (n = 8, 15%). Remission was induced in 40 (68%) patients within a median interval of 6 mo (range 1-21) and immunosuppressive therapy was well tolerated. Histological evaluation based on many biopsy samples and the course of the disease led to other diagnosis, namely SCAD instead of IBD in five (8%) patients. CONCLUSION: OAC is not an infrequent problem for the gastroenterologist, and should be considered in the evaluation of older patients with clinical featuressuggestive of IBD. Extra awareness and extensive biopsy sampling are required in order to avoid an erroneous diagnosis purely based on histological mimicry of changes seen in SCAD, when diagnosing IBD in the presence of diverticulosis coli. | Muhammed Hadithi Marcel Cazemier Gerrit A Meijer Elisabeth Bloemena Richel J Felt-Bersma Chris J Mulder Stephan GM Meuwissen Amado Salvador Pea Adriaan A van Bodegraven | 2008 | World Journal of Gastroenterology2008，14，20： | 3 |
| 6 | Effect of B vitamin supplementation on plasma homocysteine levels in celiac disease显示文摘AIM: To investigate the effect of vitamin supplements on homocysteine levels in patients with celiac disease. METHODS: Vitamin B6, folate, vitamin B12, and fasting plasma homocysteine levels were measured in 51 consecutive adults with celiac disease [median (range) age 56 (18-63) years; 40% men, 26 (51%) had villous atrophy, and 25 (49%) used B-vitamin supplements] and 50 healthy control individuals matched for age and sex. Finally, the C677T polymorphism of 5,10-methylene tetrahydrofolate reductase (MTHFR) was evaluated in 46 patients with celiac disease and all control individuals. RESULTS: Patients with celiac disease and using vitamin supplements had higher serum vitamin B6 (P = 0.003),folate (P < 0.001), and vitamin B12 (P = 0.012) levels than patients who did not or healthy controls (P = 0.035, P < 0.001, P = 0.007, for vitamin B6, folate, and vitamin B12, respectively). Lower plasma homocysteine levels were found in patients using vitamin supplements than in patients who did not (P = 0.001) or healthy controls (P = 0.003). However, vitamin B6 and folate, not vitamin B12, were significantly and independently associated with homocysteine levels. Twenty-four (48%) of 50 controls and 23 (50%) of 46 patients with celiac disease carried the MTHFR thermolabile variant T-allele (P = 0.89). CONCLUSION: Homocysteine levels are dependent on Marsh classification and the regular use of B-vitamin supplements is effective in reduction of homocysteine levels in patients with celiac disease and should be considered in disease management. | Muhammed Hadithi Chris JJ Mulder Frank Stam Joshan Azizi J Bart A Crusius Amado Salvador Pea Coen DA Stehouwer Yvo M Smulders | 2009 | World Journal of Gastroenterology2009，15，8： | 3 |
| 7 | Indications for 5-aminosalicylate in inflammatory bowel disease:Is the body of evidence complete?显示文摘Mesalazine is a safe drug, although adverse events may be seen in a minority of patients. This applies also to pregnant women and children. The role of mesalazine in combination therapy to improve efficacy and con- comitant drug pharmacokinetics, or in chemoprevention against inflammatory bowel disease (IBD)-related co- lonic carcinoma has not yet been completely elucidated. Therapeutic success of mesalazine may be optimized by a combination of high dose and low frequency of dos- age to improve compliance. Therefore, due to its supe- rior safety profile and pharmacokinetic characteristics, mesalazine is preferable to sulphasalazine. This paper reviews the literature concerning mechanisms of action, indications and off-label use, pharmacokinetic properties and formulations, therapeutic efficacy, compliance, pae- diatric indications, chemoprevention, and safety issues and adverse event profile of mesalazine treatment versus sulphasalazine. It also highlights these controversies in order to clarify the potential benefits of mesalazines in IBD therapy and evidence for its use. | Ad A van Bodegraven Chris JJ Mulder | 2006 | World Journal of Gastroenterology2006，12，38： | 2 |
| 8 | Transluent YAG ceramics: electronic microscopy characterization显示文摘 | Mulder C A De With G | 1985 | Solid State Ionics1985，16，： | 2 |
| 9 | Liquid chromatography-electrospray ionisation - mass spectrometry based method for the determination of estradiol benzoate in hair of cattle 显示文摘 | HOOIJERINK H LOMMEN A MULDER P P J | 2005 | Anal Chim Acta2005，529，12： | 1 |
| 10 | Dynamic translinear circuits-An overview显示文摘 | MULDER J SERJIN W A WOERD A C | 2000 | Analog Integrated Circuits and Signal Processing2000，22，23： | 1 |
| 11 | Anaerobic ammonium oxidation discovered in a denitrifying fluidized bed reactor显示文摘 | Mulder A Van de Graaf A A Robertson L A | 1995 | FEMS Microbiology Ecology1995，16，： | 1 |
| 12 | Prepatation of silica- supported copper catalysts by means of deposition-precipitaion显示文摘 | Van Der Grift C J G Mulder A | 1990 | Applied Catalysis1990，59，1： | 1 |
| 13 | Virulence and pathogenesis of non-virulent and virulent strains of pseudorabies virus expressing envelope glycoprotein E1 of hog cholera virus显示文摘 | Mulder W A Priem J Glazenburg K L | 1994 | J Gen Virol1994，75，1： | 1 |
| 14 | Bovine lactofemn supplementation supports immune and antioxidant status in healthy human males显示文摘 | MULDER A M CONNELLAN P A OLIVER C J | 2008 | Nutrition Research2008，28，： | 1 |
| 15 | Maternal segregation of the Dutch preeclampsia locus at lOq22 with a new member of the winged helix gene family显示文摘 | van Dijk M Mulders 1 Poutsma A | 2005 | Nat Genet2005，37，5： | 1 |
| 16 | The SHARON process: an innovative method for nitrogen removal from ammonium-rich wastewater显示文摘 | Hellinga C Schellen A A J C Mulder J W | 1998 | Water Science and Technology1998，37，9： | 1 |
| 17 | Anaerobic oxidation of ammonium is a biologically mediated process显示文摘 | Van de Graaf A Mulder A Bruijn P | 1995 | Applied and Environmental Microbiology1995，61，4： | 1 |
| 18 | Treatment of municipal wastewater in a circox airlift reactor with integrated denitrification显示文摘 | Frijters C T M J Eikelboom D H Mulder A | 1997 | Water Science Technology1997，36，1： | 1 |
| 19 | Multifunctional gold nanoparticles for diagnosis and therapy of disease显示文摘 | MIESZAWSKA A J MULDER W J M FAYAD Z A | 2013 | Molecular pharmaceutics2013，10，3： | 1 |
| 20 | Design of a haptic gas pedal for active car-fol- lowing support显示文摘 | MULDER M ABBINK D A VAN PAASSEN M M | 2011 | IEEE Transactions on Intelligent Transportation Systems2011，12，1： | 1 |
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