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Start Over Author "van Laarhoven, C." Publication Type Electronic Resources
20 results on '"van Laarhoven, C."'

5. Trends in Treatment and Survival of Gallbladder Cancer in the Netherlands; Identifying Gaps and Opportunities from a Nation-Wide Cohort

Author

Lohman, ED, de Bitter, T, Verhoeven, R, van der Geest, L, Hagendoorn, J, Mohammad, NH, Daams, F, Klumpen, HJ, van Gulik, T, Erdmann, J, Boer, M, Hoogwater, F, Groot Koerkamp, B, Braat, A, Verheij, J, Nagtegaal, I, van Laarhoven, C, van den Boezem, P, Post, R, de Reuver, P, Lohman, ED, de Bitter, T, Verhoeven, R, van der Geest, L, Hagendoorn, J, Mohammad, NH, Daams, F, Klumpen, HJ, van Gulik, T, Erdmann, J, Boer, M, Hoogwater, F, Groot Koerkamp, B, Braat, A, Verheij, J, Nagtegaal, I, van Laarhoven, C, van den Boezem, P, Post, R, and de Reuver, P

Published
2020

7. Diagnostic accuracy of contrast-enhanced diffusion-weighted MRI for liver metastases of pancreatic cancer: Towards adequate staging and follow-up of pancreatic cancer - DIA-PANC study: Study protocol for an international, multicenter, diagnostic trial

Author

Pathologie Pathologen staf, Cancer, Zorgeenheid Plastische Chirurgie Medisch, Litjens, G., Rivière, D. M., Van Geenen, E. J.M., Radema, S. A., Brosens, L. A.A., Prokop, M., Van Laarhoven, C. J.H.M., Hermans, J. J., Pathologie Pathologen staf, Cancer, Zorgeenheid Plastische Chirurgie Medisch, Litjens, G., Rivière, D. M., Van Geenen, E. J.M., Radema, S. A., Brosens, L. A.A., Prokop, M., Van Laarhoven, C. J.H.M., and Hermans, J. J.

Published
2020

8. Gadolinium Enhancement of the Aneurysm Wall in Extracranial Carotid Artery Aneurysms

Author

Circulatory Health, Zorgeenheid Vaatchirurgie Medisch, Other research (not in main researchprogram), Researchgr. Cardiovasculaire Radiologie, MS Radiologie, Researchgr. Neuroradiologie, Brain, ZL Cerebrovasculaire Ziekten Medisch, Regenerative Medicine and Stem Cells, van Laarhoven, C. J.H.C.M., Rots, M. L., Pourier, V. E.C., Jorritsma, N. K.N., Leiner, T., Hendrikse, J., Vergouwen, M. D.I., de Borst, G. J., Circulatory Health, Zorgeenheid Vaatchirurgie Medisch, Other research (not in main researchprogram), Researchgr. Cardiovasculaire Radiologie, MS Radiologie, Researchgr. Neuroradiologie, Brain, ZL Cerebrovasculaire Ziekten Medisch, Regenerative Medicine and Stem Cells, van Laarhoven, C. J.H.C.M., Rots, M. L., Pourier, V. E.C., Jorritsma, N. K.N., Leiner, T., Hendrikse, J., Vergouwen, M. D.I., and de Borst, G. J.

Published
2020

9. Volumetric assessment of extracranial carotid artery aneurysms

Author

de Vries, E E, van Laarhoven, C J H C M, Kuijf, H J, Hazenberg, C E V B, van Herwaarden, J A, Viergever, M A, de Borst, G J, de Vries, E E, van Laarhoven, C J H C M, Kuijf, H J, Hazenberg, C E V B, van Herwaarden, J A, Viergever, M A, and de Borst, G J

Published
2019

10. Volumetric assessment of extracranial carotid artery aneurysms

Author

de Vries, E E, van Laarhoven, C J H C M, Kuijf, H J, Hazenberg, C E V B, van Herwaarden, J A, Viergever, M A, de Borst, G J, de Vries, E E, van Laarhoven, C J H C M, Kuijf, H J, Hazenberg, C E V B, van Herwaarden, J A, Viergever, M A, and de Borst, G J

Published
2019

11. Volumetric assessment of extracranial carotid artery aneurysms

Author

de Vries, E E, van Laarhoven, C J H C M, Kuijf, H J, Hazenberg, C E V B, van Herwaarden, J A, Viergever, M A, de Borst, G J, de Vries, E E, van Laarhoven, C J H C M, Kuijf, H J, Hazenberg, C E V B, van Herwaarden, J A, Viergever, M A, and de Borst, G J

Published
2019

12. Volumetric assessment of extracranial carotid artery aneurysms

Author

Zorgeenheid Vaatchirurgie Medisch, Beeldverwerking ISI, Brain, Circulatory Health, Regenerative Medicine and Stem Cells, de Vries, E E, van Laarhoven, C J H C M, Kuijf, H J, Hazenberg, C E V B, van Herwaarden, J A, Viergever, M A, de Borst, G J, Zorgeenheid Vaatchirurgie Medisch, Beeldverwerking ISI, Brain, Circulatory Health, Regenerative Medicine and Stem Cells, de Vries, E E, van Laarhoven, C J H C M, Kuijf, H J, Hazenberg, C E V B, van Herwaarden, J A, Viergever, M A, and de Borst, G J

Published
2019

16. Prevalence of extracranial carotid artery aneurysms in patients with an intracranial aneurysm

Author

Verpleegafd Vaatchirurgie D4 Oost, UMC Utrecht, Other research (not in main researchprogram), ZL Cerebrovasculaire Ziekten Medisch, Brain, Circulatory Health, Hersenen-Medisch 2, Pourier, V. E.C., Van Laarhoven, C. J.H.C.M., Vergouwen, M. D.I., Rinkel, G. J.E., De Borst, Gert J., Verpleegafd Vaatchirurgie D4 Oost, UMC Utrecht, Other research (not in main researchprogram), ZL Cerebrovasculaire Ziekten Medisch, Brain, Circulatory Health, Hersenen-Medisch 2, Pourier, V. E.C., Van Laarhoven, C. J.H.C.M., Vergouwen, M. D.I., Rinkel, G. J.E., and De Borst, Gert J.

Published
2017

17. A randomized controlled trial to compare a restrictive strategy to usual care for the effectiveness of cholecystectomy in patients with symptomatic gallstones (SECURE trial protocol)

Author

de Reuver, P R, van Dijk, A H, Wennmacker, S Z, Lamberts, M P, Boerma, D, den Oudsten, B.L., Dijkgraaf, M G W, Donkervoort, S C, Roukema, J A, Westert, G P, Drenth, J P H, van Laarhoven, C J H, Boermeester, M A, de Reuver, P R, van Dijk, A H, Wennmacker, S Z, Lamberts, M P, Boerma, D, den Oudsten, B.L., Dijkgraaf, M G W, Donkervoort, S C, Roukema, J A, Westert, G P, Drenth, J P H, van Laarhoven, C J H, and Boermeester, M A

Abstract

Background: Five to 22 % of the adult Western population has gallstones. Among them, 13 to 22 % become symptomatic during their lifetime. Cholecystectomy is the preferred treatment for symptomatic cholecystolithiasis. Remarkably, cholecystectomy provides symptom relief in only 60-70 % of patients. The objective of this trial is to compare the effectiveness of usual (operative) care with a restrictive strategy using a standardized work-up with stepwise selection for cholecystectomy in patients with gallstones and abdominal complaints.Design and methods: The SECURE-trial is designed as a multicenter, randomized, parallel-arm, non-inferiority trial in patients with abdominal symptoms and ultrasound proven gallstones or sludge. If patients meet the inclusion criteria they will be randomized to either usual care or the restrictive strategy. Patients in the usual care group will be treated according to the physician's knowledge and preference. Patients in the restrictive care group will be treated with interval evaluation and stepwise selection for laparoscopic cholecystectomy. In this stepwise selection, patients strictly meeting the preselected criteria for symptomatic cholecystolithiasis will be offered a cholecystectomy. Patients not meeting these criteria will be assessed for other diagnoses and re-evaluated at 3-monthly intervals. Follow-up consists of web-based questionnaires at 3, 6, 9 and 12 months. The main end point of this trial is defined as the proportion of patients being pain-free at 12 months follow-up. Pain will be assessed with the Izbicki Pain Score and Gallstone Symptom Score. Secondary endpoints will be the proportion of patients with complications due to gallstones or cholecystectomy, the association between the patients' symptoms and treatment and work performance, and ultimately, cost-effectiveness.Discussion: The SECURE trial is the first randomized controlled trial examining the effectiveness of usual care v

Published
2016

18. Hepato-biliary clinical trials and their inclusion in the Cochrane Hepato-Biliary Group register and reviews

Author

Klingenberg, S.L. Nikolova, D. Alexakis, N. Als-Nielsen, B. Colli, A. Conte, D. D'Amico, G. Davidson, B. Fingerhut, A. Fraquelli, M. Gluud, L.L. Gurusamy, K. Keus, F. Khan, S. Koretz, R. van Laarhoven, C. Liu, J. Myers, R. Pagliaro, L. Simonetti, R. Sutton, R. Thorlund, K. Gluud, C. and Klingenberg, S.L. Nikolova, D. Alexakis, N. Als-Nielsen, B. Colli, A. Conte, D. D'Amico, G. Davidson, B. Fingerhut, A. Fraquelli, M. Gluud, L.L. Gurusamy, K. Keus, F. Khan, S. Koretz, R. van Laarhoven, C. Liu, J. Myers, R. Pagliaro, L. Simonetti, R. Sutton, R. Thorlund, K. Gluud, C.

Abstract

Background and Aims: The Cochrane Hepato-Biliary Group (CHBG) is one of the 52 collaborative review groups within The Cochrane Collaboration. The activities of the CHBG focus on collecting hepato-biliary randomized clinical trials (RCT) and controlled clinical trials (CCT), and including them in systematic reviews with meta-analyses of the trials. In this overview, we present the growth of The CHBG Controlled Trials Register, as well as the systematic reviews that have been produced since March 1996. Results: The CHBG register includes almost 11000 RCT and 700 CCT publications. The earliest RCT in the register were published in 1955, and the earliest CCT in 1945. From 1945 to 1980, there were less than 100 publications each year. From 1981 to 1997, their number increased from over 100 to 600 a year. After 1997, the number of publications seems to have been decreasing. The CHBG has published 199 protocols for systematic reviews and 107 systematic reviews through to August 2009 in which 21% of the RCT and CCT were included. The CHBG reviews have been cited approximately 1200 times. Conclusions: A large amount of work has been carried out since 1996. However, there is still much to do, as the CHBG register contains a great number of RCT and CCT on topics that have not yet been systematically reviewed. © 2011 Journal of Gastroenterology and Hepatology Foundation and Blackwell Publishing Asia Pty Ltd.

Published
2011

19. Robustness assessments are needed to reduce bias in meta-analyses that include zero-event randomized trials

Author

Keus, F, Wetterslev, J, Gluud, C, Gooszen, H G, van Laarhoven, C J H M, Keus, F, Wetterslev, J, Gluud, C, Gooszen, H G, and van Laarhoven, C J H M

Abstract

Udgivelsesdato: 2009-Mar, OBJECTIVES: Meta-analysis of randomized trials with binary data can use a variety of statistical methods. Zero-event trials may create analytic problems. We explored how different methods may impact inferences from meta-analyses containing zero-event trials. METHODS: Five levels of statistical methods are identified for meta-analysis with zero-event trials, leading to numerous data analyses. We used the binary outcomes from our Cochrane review of randomized trials of laparoscopic vs. small-incision cholecystectomy for patients with symptomatic cholecystolithiasis to illustrate the influence of statistical method on inference. RESULTS: In seven meta-analyses of seven outcomes from 15 trials, there were zero-event trials in 0 to 71.4% of the trials. We found inconsistency in significance in one of seven outcomes (14%; 95% confidence limit 0.4%-57.9%). There was also considerable variability in the confidence limits, the intervention-effect estimates, and heterogeneity for all outcomes. CONCLUSIONS: The statistical method may influence the inference drawn from a meta-analysis that includes zero-event trials. Robustness assessments are needed to reduce bias in meta-analyses that include zero-event trials.

Published
2009

20. Robustness assessments are needed to reduce bias in meta-analyses that include zero-event randomized trials

Author

Keus, F, Wetterslev, J, Gluud, C, Gooszen, H G, van Laarhoven, C J H M, Keus, F, Wetterslev, J, Gluud, C, Gooszen, H G, and van Laarhoven, C J H M

Abstract

Udgivelsesdato: 2009-Mar, OBJECTIVES: Meta-analysis of randomized trials with binary data can use a variety of statistical methods. Zero-event trials may create analytic problems. We explored how different methods may impact inferences from meta-analyses containing zero-event trials. METHODS: Five levels of statistical methods are identified for meta-analysis with zero-event trials, leading to numerous data analyses. We used the binary outcomes from our Cochrane review of randomized trials of laparoscopic vs. small-incision cholecystectomy for patients with symptomatic cholecystolithiasis to illustrate the influence of statistical method on inference. RESULTS: In seven meta-analyses of seven outcomes from 15 trials, there were zero-event trials in 0 to 71.4% of the trials. We found inconsistency in significance in one of seven outcomes (14%; 95% confidence limit 0.4%-57.9%). There was also considerable variability in the confidence limits, the intervention-effect estimates, and heterogeneity for all outcomes. CONCLUSIONS: The statistical method may influence the inference drawn from a meta-analysis that includes zero-event trials. Robustness assessments are needed to reduce bias in meta-analyses that include zero-event trials.

Published
2009

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