Maarten Vermaas

Search results

• 2025

  Risk factors and outcomes of conversions in robotic and laparoscopic liver resections: A nationwide analysis

  Dutch Hepato Biliary Audit (DHBA), Pilz da Cunha, G., Sijberden, J. P., Gobardhan, P., Lips, D. J., Terkivatan, T., Marsman, H. A., Patijn, G. A., Leclercq, W. K. G., Bosscha, K., Mieog, J. S. D., van den Boezem, P. B., Vermaas, M., Kok, N. F. M., Belt, E. J. T., de Boer, M. T., Derksen, W. J. M., Torrenga, H., Verheijen, P. M. & Oosterling, S. J. & 13 others, de Graaff, M. R., Rijken, A. M., Coolsen, M. M. E., Liem, M. S. L., Tran, T. C. K., Gerhards, M. F., Nieuwenhuijs, V., van Dieren, S., Abu Hilal, M., Besselink, M. G., van Dam, R. M., Hagendoorn, J. & Swijnenburg, R. J., Feb 2025, In: Surgery (United States). 178, 108820.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File

  • Hepatectomy 100%
  • Liver Surgery 50%
  • Bleeding 40%
  • Intensive Care 20%
  • Logistic Regression Analysis 10%
  3 Downloads (Pure)

• Risk of lymph node metastasis in pT2 rectal cancer: A nationwide retrospective analysis

  Albers, S. C., Geitenbeek, R. T. J., the Dutch Snapshot Research Group and MIRECA (Taskforce for Minimally Invasive Rectal Carcinoma surgery, Van Geffen, E. G. M., Sluckin, T. C., Hazen, S. M. J. A., Kusters, M., Tanis, P. J., Consten, E. C. J., Dekker, E., Bastiaansen, B. A. J. & Hompes, R., Feb 2025, In: British Journal of Surgery. 112, 2, znaf028.

  Research output: Contribution to journal › Article › Academic › peer-review

• A nationwide snapshot study on outcomes one year after surgery for chronic pilonidal sinus disease

  Huurman, E. A., de Raaff, C. A. L., the PITS collaborative study group, van den Berg, R., Baart, S. J., Wijnhoven, B. P. L., Schouten, R., Furnée, E. J. B., Smeenk, R. M. & Toorenvliet, B. R., Jan 2025, In: Colorectal Disease. 27, 1, e17217.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Sinus Disease 100%
  • Pilonidal Cyst 100%
  • Recurrence Risk 50%
  • Quality of Life 50%
  • Minimally Invasive Procedure 37%
  1 Citation (Scopus)
• 2024

  Robotic Versus Laparoscopic Liver Resection: A Nationwide Propensity Score Matched Analysis

  Pilz da Cunha, G., Sijberden, J. P., van Dieren, S., Gobardhan, P., Lips, D. J., Terkivatan, T., Marsman, H. A., Patijn, G. A., Leclercq, W. K. G., Bosscha, K., Mieog, J. S. D., van den Boezem, P. B., Vermaas, M., Kok, N. F. M., Belt, E. J. T., de Boer, M. T., Derksen, W. J. M., Torrenga, H., Verheijen, P. M. & Oosterling, S. J. & 11 others, Rijken, A. M., Coolsen, M. M. E., Liem, M. S. L., Tran, T. C. K., Gerhards, M. F., Nieuwenhuijs, V., Abu Hilal, M., Besselink, M. G., van Dam, R. M., Hagendoorn, J. & Swijnenburg, R.-J., Dec 2024, In: Annals of surgery open : perspectives of surgical history, education, and clinical approaches. 5, 4, e527.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File

  • Hepatectomy 100%
  • Bleeding 17%
  • Propensity Score Matching 11%
  • Learning Curve 11%
  • Reoperation 5%

• Impact of the new rectal cancer definition on multimodality treatment and interhospital variability: Results from a nationwide cross-sectional study

  Hazen, S. M. J. A., Sluckin, T. C., Horsthuis, K., Dutch Snapshot Research Group, Lambregts, D. M. J., Beets-Tan, R. G. H., Hompes, R., Buffart, T. E., Marijnen, C. A. M., Tanis, P. J. & Kusters, M., Jun 2024, In: Colorectal Disease. 26, 6, p. 1131-1144 14 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File

  • Rectum Cancer 100%
  • Sigmoid 100%
  • Cross Sectional Study 100%
  • Neoplasm 57%
  • Magnetic Resonance Imaging 28%
  46 Downloads (Pure)

• Long-term restoration of bowel continuity after rectal cancer resection and the influence of surgical technique: A nationwide cross-sectional study

  Hazen, S. M. J. A., van Geffen, E. G. M., Dutch Snapshot Research Group, Sluckin, T. C., Beets, G. L., Belgers, H. J., Borstlap, W. A. A., Consten, E. C. J., Dekker, J. W. T., Hompes, R., Tuynman, J. B., van Westreenen, H. L., de Wilt, J. H. W., Tanis, P. J. & Kusters, M., Jun 2024, In: Colorectal Disease. 26, 6, p. 1153-1165 13 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File

  • Surgical Technique 100%
  • Rectum Cancer 100%
  • Cancer Surgery 100%
  • Cross Sectional Study 100%
  • Stoma 100%
  1 Citation (Scopus)

  40 Downloads (Pure)

• Prognostic significance of MRI-detected extramural venous invasion according to grade and response to neo-adjuvant treatment in locally advanced rectal cancer A national cohort study after radiologic training and reassessment

  Geffen, E. G. M. V., Nederend, J., Dutch Snapshot Research Group, Sluckin, T. C., Hazen, S. M. J. A., Horsthuis, K., Beets-Tan, R. G. H., Marijnen, C. A. M., Tanis, P. J. & Kusters, M., Jun 2024, In: European Journal of Surgical Oncology. 50, 6, 108307.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File

  • Magnetic Resonance Imaging 100%
  • Cohort Analysis 100%
  • Distant Metastasis 100%
  • Rectum Cancer 100%
  • Neoadjuvant Therapy 100%
  3 Citations (Scopus)

  21 Downloads (Pure)

• Prognostic Implications of Lateral Lymph Nodes in Rectal Cancer: A Population-Based Cross-sectional Study with Standardized Radiological Evaluation after Dedicated Training

  Sluckin, T. C., Van Geffen, E. G. M., Dutch Snapshot Research Group, Hazen, S. M. J. A., Horsthuis, K., Beets-Tan, R. G. H., Marijnen, C. A. M., Tanis, P. J. & Kusters, M., 1 Jan 2024, In: Diseases of the Colon and Rectum. 67, 1, p. 42-53 12 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File

  • Lymph Node 100%
  • Rectum Cancer 100%
  • Cross Sectional Study 100%
  • Recurrent Disease 100%
  • Cross-Sectional Study 100%
  12 Citations (Scopus)

  31 Downloads (Pure)
• 2023

  An updated evaluation of the implementation of the sigmoid take-off landmark 1 year after the official introduction in the Netherlands

  Hazen, S. J. A., Sluckin, T. C., the Dutch Sigmoid Take-off Research Group, Horsthuis, K., Lambregts, D. M. J., Beets-Tan, R. G. H., Tanis, P. J. & Kusters, M., Dec 2023, In: Techniques in Coloproctology. 27, 12, p. 1243-1250 8 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File

  • Clinical Audit 100%
  • Sigmoid 100%
  • Clinical Practice 33%
  • Nuclear Magnetic Resonance Imaging 33%
  • Practice Guideline 33%
  1 Citation (Scopus)

  16 Downloads (Pure)

• Outcomes of elective liver surgery worldwide: a global, prospective, multicenter, cross-sectional study

  The LiverGroup.org Collaborative, Dec 2023, In: International Journal of Surgery. 109, 12, p. 3954-3966 13 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File

  • Liver Surgery 100%
  • Cross Sectional Study 100%
  • Human Development 37%
  • Postoperative Complication 25%
  • Malignant Neoplasm 12%
  12 Citations (Scopus)

  6 Downloads (Pure)

• Oncological Safety and Potential Cost Savings of Routine vs Selective Histopathological Examination After Appendectomy: Results of the Multicenter, Prospective, Cross-Sectional FANCY Study

  Dutch Snapshot Research Group, 1 Mar 2023, In: Annals of Surgery. 277, 3, p. E578-E584

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File

  • Cost Control 100%
  • Appendectomy 100%
  • Health Care Cost 100%
  • Appendix Tumor 100%
  • Appendicitis 66%
  4 Citations (Scopus)

  38 Downloads (Pure)

• 2 days versus 5 days of postoperative antibiotics for complex appendicitis: a pragmatic, open-label, multicentre, non-inferiority randomised trial

  de Wijkerslooth, E. M. L., Boerma, E. J. G., APPIC Study Group, van Rossem, C. C., van Rosmalen, J., Baeten, C. I. M., Beverdam, F. H., Bosmans, J. W. A. M., Consten, E. C. J., Dekker, J. W. T., Emous, M., van Geloven, A. A. W., Gijsen, A. F., Heijnen, L. A., Jairam, A. P., Melles, D. C., van der Ploeg, A. P. T., Steenvoorde, P., Toorenvliet, B. R. & Vermaas, M. & 29 others, Wiering, B., Wijnhoven, B. P. L., van den Boom, A. L., Baeten, C. I. M., Beverdam, F. H., Boerma, E. G., Bosmans, J. W. A. M., Burghgraef, T. A., Consten, E. C. J., Dekker, J. W. T., Emous, M., van Geloven, A. A. W., Gijsen, A. F., Huisman, S. A., Jairam, A. P., Janssen, P. T. J. H. M., Klaphake, S., Kroese, L. F., Langeveld, H. R., Melles, D. C., Noordman, B. J., van Rosmalen, J., Vermaas, M., Shapiro, J., Verhelst, J., Versteegh, H. P., van Vugt, J. L. A., van Wijk, B. J. & Wijnhoven, B. P. L., 4 Feb 2023, In: The Lancet. 401, 10374, p. 366-376 11 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  • Appendicitis 100%
  • Antibiotics 100%
  • Appendectomy 66%
  • Intention-to-Treat Analysis 50%
  • Attributable Risk 33%
  32 Citations (Scopus)
• 2022

  Retrospective evaluation of national MRI reporting quality for lateral lymph nodes in rectal cancer patients and concordance with prospective re-evaluation following additional training

  Sluckin, T. C., Hazen, S. M. J. A., Dutch Snapshot Research Group, Horsthuis, K., Beets-Tan, R. G. H., Marijnen, C. A. M., Tanis, P. J. & Kusters, M., 20 Oct 2022, In: Insights into Imaging. 13, 1, 171.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File

  • Magnetic Resonance Imaging 100%
  • Lymph Node 100%
  • Rectum Cancer 100%
  • Cohort Study 20%
  • Lenabasum 20%
  6 Citations (Scopus)

  16 Downloads (Pure)

• Selected stage IV rectal cancer patients managed by the watch-and-wait approach after pelvic radiotherapy: a good alternative to total mesorectal excision surgery?

  Custers, P. A., Hupkens, B. J. P., the Dutch Watch-and-Wait Consortium, Grotenhuis, B. A., Kuhlmann, K. F. D., Breukink, S. O., Beets, G. L. & Melenhorst, J., Apr 2022, In: Colorectal Disease. 24, 4, p. 401-410 10 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File

  • Rectum Cancer 100%
  • Colostomy 100%
  • Pelvic Radiotherapy 100%
  • Total Mesorectal Excision 100%
  • Minoxidil 100%
  11 Citations (Scopus)

  15 Downloads (Pure)

• The sigmoid take-off as a landmark to distinguish rectal from sigmoid tumours on MRI: Reproducibility, pitfalls and potential impact on treatment stratification

  Bogveradze, N., Lambregts, D. M. J., MRI rectal study group, el Khababi, N., Dresen, R. C., Maas, M., Kusters, M., Tanis, P. J. & Beets-Tan, R. G. H., Jan 2022, In: European Journal of Surgical Oncology. 48, 1, p. 237-244 8 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  • Magnetic Resonance Imaging 100%
  • Reproducibility 100%
  • Colon Tumor 100%
  • Sigmoid 100%
  • Surgeon 16%
  17 Citations (Scopus)
• 2021

  Predictors of 30-Day Mortality Among Dutch Patients Undergoing Colorectal Cancer Surgery, 2011-2016

  van den Bosch, T., Warps, A. L. K., the Dutch ColoRectal Audit, de Nerée tot Babberich, M. P. M., Stamm, C., Geerts, B. F., Vermeulen, L., Wouters, M. W. J. M., Dekker, J. W. T., Tollenaar, R. A. E. M., Tanis, P. J. & Miedema, D. M., 26 Apr 2021, In: JAMA network open. 4, 4, p. e217737

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File

  • Colorectal Carcinoma 100%
  • Cancer Surgery 100%
  • Cohort Analysis 33%
  • Logistic Regression Analysis 33%
  • Adverse Outcome 33%
  48 Citations (Scopus)

  8 Downloads (Pure)

• Case-mix adjustment to compare nationwide hospital performances after resection of colorectal liver metastases

  Elfrink, A. K. E., van Zwet, E. W., Dutch Hepato Biliary Audit (DHBA), Swijnenburg, R.-J., den Dulk, M., van den Boezem, P. B., Mieog, J. S. D., Te Riele, W. W., Patijn, G. A., Leclercq, W. K. G., Lips, D. J., Rijken, A. M., Verhoef, C., Kuhlmann, K. F. D., Buis, C. I., Bosscha, K., Belt, E. J. T., Vermaas, M., van Heek, N. T. & Oosterling, S. J. & 8 others, Torrenga, H., Eker, H. H., Consten, E. C. J., Marsman, H. A., Wouters, M. W. J. M., Kok, N. F. M., Grünhagen, D. J. & Klaase, J. M., Mar 2021, In: European Journal of Surgical Oncology. 47, 3, p. 649-659 11 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File

  • Hepatectomy 100%
  • Colorectal Liver Metastasis 100%
  • Case Mix 100%
  • Logistic Regression Analysis 16%
  • Metastatic Carcinoma 16%
  21 Citations (Scopus)

  19 Downloads (Pure)
• 2020

  Targeting Gitr Enhances Human Tumour-infiltrating T Cell Functionality in Mismatch Repair Proficient Primary Colorectal Carcinoma and Liver Metastases

  Rakke, Y., Carrascosa, L. C., van Beek, A., de Ruiter, V., Doukas, M., ter Borg, S., Doornebosch, P., Vermaas, M., van der Harst, E., Coene, P. P., Grunhagen, D., Verhoef, C., IJzermans, J., Sprengers, D. & Kwekkeboom, J., 9 Nov 2020, In: Journal for ImmunoTherapy of Cancer. 8, p. A352-A352 1 p.

  Research output: Contribution to journal › Meeting Abstract › Academic › peer-review

  Open Access

  File
  1 Citation (Web of Science)

  38 Downloads (Pure)
• 2019

  Adjuvant hepatic arterial infusion pump chemotherapy and resection versus resection alone in patients with low-risk resectable colorectal liver metastases - the multicenter randomized controlled PUMP trial

  Buisman, F. E., Homs, M. Y. V., Grünhagen, D. J., Filipe, W. F., Bennink, R. J., Besselink, M. G. H., Borel Rinkes, I. H. M., Bruijnen, R. C. G., Cercek, A., D'Angelica, M. I., van Delden, O. M., Donswijk, M. L., van Doorn, L., Doornebosch, P. G., Emmering, J., Erdmann, J. I., IJzerman, N. S., Grootscholten, C., Hagendoorn, J. & Kemeny, N. E. & 22 others, Kingham, T. P., Klompenhouwer, E. G., Kok, N. F. M., Koolen, S., Kuhlmann, K. F. D., Kuiper, M. C., Lam, M. G. E., Mathijssen, R. H. J., Moelker, A., Oomen-de Hoop, E., Punt, C. J. A., Te Riele, W. W., Roodhart, J. M. L., Swijnenburg, R. J., Prevoo, W., Tanis, P. J., Vermaas, M., Versleijen, M. W. J., Veuger, F. P., Weterman, M. J., Verhoef, C. & Groot Koerkamp, B., 5 Apr 2019, In: BMC Cancer. 19, 1, 327.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File

  • Colorectal Liver Metastasis 100%
  • Hepatic Arterial Infusion 100%
  • Recurrent Disease 22%
  • Progression Free Survival 22%
  • Floxuridine 22%
  42 Citations (Scopus)

  23 Downloads (Pure)
• 2009

  Abdominosacral resection for locally advanced and recurrent rectal cancer

  Ferenschild, F., Vermaas, M., Verhoef, K., Dwarkasing, R., Eggermont, L. & de Wilt, J., 2009, In: British Journal of Surgery. 96, 11, p. 1341-1347 7 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  45 Citations (Scopus)

• Total Pelvic Exenteration for Primary and Recurrent Malignancies

  Ferenschild, F., Vermaas, M., Verhoef, K., Ansink, A., Kirkels, W., Eggermont, L. & de Wilt, J., 2009, In: World Journal of Surgery. 33, 7, p. 1502-1508 7 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  155 Citations (Scopus)
• 2008

  Multimodality treatment for locally advanced and recurrent rectal cancer

  Vermaas, M., 3 Apr 2008, Erasmus Universiteit Rotterdam (EUR).

  Research output: Types of Thesis › Doctoral Thesis › Internal

  Open Access

  File
  29 Downloads (Pure)

• Isolated hypoxic hepatic perfusion with retrograde outflow in patients with irresectable liver metastases; A new simplified technique in isolated hepatic perfusion

  Verhoef, K., de Wilt, J., Brunstein, F., Marinelli, A., vanEtten, B., Vermaas, M., Guetens, G., de Boeck, G., Bruijn, E. & Eggermont, L., 2008, In: Annals of Surgical Oncology. 15, 5, p. 1367-1374 8 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File
  21 Citations (Scopus)

  16 Downloads (Pure)

• Reirradiation, surgery and IORT for recurrent rectal cancer in previously irradiated patients

  Vermaas, M., Nuyttens, J. J. M. E., Ferenschild, F., Verhoef, K., Eggermont, L. & de Wilt, J., 2008, In: Radiotherapy and Oncology. 87, 3, p. 357-360 4 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  36 Citations (Scopus)
• 2007

  Introduction of preoperative radiotherapy in the treatment of operable rectal cancer in the Southwest region of the Netherlands

  Vermaas, M., Gosselink, M., Ferenschild, F., van den Aardweg, E., Lont, H., Kemperman, H., van der Harst, E., Tetteroo, G., Oostenbroek, R., Dijkhuis, C., Eggermont, L. & de Wilt, J., 2007, In: European Journal of Surgical Oncology. 33, 7, p. 862-867 6 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  5 Citations (Scopus)

• Management of locally advanced primary and recurrent rectal cancer

  de Wilt, J., Vermaas, M., Ferenschild, F. & Verhoef, K., 2007, In: Clinics in Colon and Rectal Surgery. 20, p. 255-263 9 p.

  Research output: Contribution to journal › Article › Academic
  49 Citations (Scopus)

• Pelvic exenteration for primary and recurrent gynaecological malignancies

  de Wilt, J., van Leeuwen, D., Logmans, A., Verhoef, K., Kirkels, W., Vermaas, M. & Ansink, A., 2007, In: European Journal of Obstetrics, Gynecology and Reproductive Biology. 134, 2, p. 243-248 6 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  31 Citations (Scopus)

• Total pelvic exenteration for primary locally advanced and locally recurrent rectal cancer

  Vermaas, M., Ferenschild, F., Verhoef, K., Nuyttens, J. J. M. E., Marinelli, A., Wiggers, T., Kirkels, W., Eggermont, L. & de Wilt, J., 2007, In: European Journal of Surgical Oncology. 33, 4, p. 452-458 7 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  106 Citations (Scopus)
• 2006

  Salvage abdominoperineal resection and perineal wound healing in local recurrent or persistent anal cancer: Commentary

  Ferenschild, F. T., Vermaas, M., Hofer, S. O., Verhoef, C., Eggermont, A. M. M., De Wilt, J. H. W. & Habr-Gama, A., Dec 2006, In: Techniques in Coloproctology. 10, 4, p. 382 1 p.

  Research output: Contribution to journal › Comment/Letter to the editor › Academic › peer-review
  1 Citation (Scopus)

• Utility of repeat radiofrequency ablation to provide long-term local control in recurrent rectal cancer

  Vermaas, M., Verhoef, K., Eggermont, L., de Wilt, J. & Kuiper, J., 2006, In: Surgery. 140, 1, p. 120-120 1 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  3 Citations (Scopus)

• Value of intraoperative radiotherapy in locally advanced rectal cancer

  Ferenschild, F., Vermaas, M., Nuyttens, J. J. M. E., Graveland, W., Marinelli, A., van der Sijp, J., Wiggers, T., Verhoef, K., Eggermont, L. & de Wilt, J., 2006, In: Diseases of the Colon & Rectum. 49, 9, p. 1257-1265 9 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  67 Citations (Scopus)
• 2005

  Salvage abdominoperineal resection and perineal wound healing in local recurrent or persistent anal cancer

  Ferenschild, F. T., Vermaas, M., Hofer, S. O. P., Verhoef, K., Eggermont, L. & de Wilt, J. H. W., Oct 2005, In: World Journal of Surgery. 29, p. 1452-1457 6 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  • Wound Healing 100%
  • Abdominoperineal Resection 100%
  • Anal Cancer 100%
  • Wound 66%
  • Chemoradiotherapy 33%
  71 Citations (Scopus)

• Preoperative radiotherapy improves outcome in recurrent rectal cancer

  Vermaas, M., Ferenschild, F., Nuyttens, J. J. M. E., Marinelli, A., Wiggers, T., van der Sijp, J., Verhoef, K., Graveland, W., Eggermont, L. & Wilt, J., 2005, In: Diseases of the Colon & Rectum. 48, 5, p. 918-928 11 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  66 Citations (Scopus)

• Primary and secondary reconstruction after surgery of the irradiated pelvis using a gracilis muscle flap transposition

  Vermaas, M., Ferenschild, F., Hofer, S., Verhoef, K., Eggermont, L. & Wilt, J., 2005, In: European Journal of Surgical Oncology. 31, 9, p. 1000-1005 6 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  44 Citations (Scopus)
• 2004

  High-dose-rate intraoperative radiotherapy for close or positive margins in patients with locally advanced or recurrent rectal cancer

  Nuyttens, J. J. M. E., Kolkman- Deurloo, I., Vermaas, M., Ferenschild, F., Graveland, W., Wilt, J., Hanssens, P. & Levendag, P., 2004, In: International Journal of Radiation Oncology Biology Physics. 58, p. 106-112 7 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  79 Citations (Scopus)