Michael Patrick Achiam

Michael Patrick Achiam

Clinical Associate Research Professor, Clinical Professor

Member of:

  • Surgery


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  1. Published

    A clinical evaluation of endoscopically placed self-expanding metallic stents in patients with acute large bowel obstruction

    Pommergaard, H. C., Vilmann, Peter, Jakobsen, H. L. & Achiam, Michael Patrick, 2009, In: Scandinavian Journal of Surgery. 98, 3, p. 143-7 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    A reduced gastric corpus microvascular blood flow during Ivor-Lewis esophagectomy detected by laser speckle contrast imaging technique

    Ambrus, R., Svendsen, Lars Bo, Secher, Niels H., Rünitz, K., Frederiksen, H., Svendsen, M. B. S., Siemsen, M., Kofoed, S. C. & Achiam, Michael Patrick, 2017, In: Scandinavian Journal of Gastroenterology. 52, 4, p. 455-461 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    A semaphorin-plexin-Rasal1 signaling pathway inhibits gastrin expression and protects against peptic ulcers

    Xu, R., Höß, C., Swiercz, J. M., Brandt, D. T., Lutz, V., Petersen, N., Li, R., Zhao, D., Oleksy, A., Creigh-Pulatmen, T., Trokter, M., Fedorova, M., Atzberger, A., Strandby, R. B., Olsen, A. A., Achiam, M. P., Matthews, D., Huber, M., Gröne, H-J., Offermanns, S. & 1 others, Worzfeld, T., 2022, In: Science Translational Medicine. 14, 654, eabf1922.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Alternative berigede fødevarer i juletiden

    Achiam, Michael Patrick, Burcharth, Jakob & Pommergaard, Hans-Christian L, 3 Dec 2012, In: Ugeskrift for Laeger. 174, 49, p. 3089-3091 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Assessment of sarcopenia in patients with upper gastrointestinal tumors: Prevalence and agreement between computed tomography and dual-energy x-ray absorptiometry

    Simonsen, C., zwp671, zwp671, Sundberg, A., Wielsøe, S., Christensen, J., Hansen, C. P., gpq516, gpq516, Suetta, Charlotte, de Heer, P., Svendsen, Lars Bo, Achiam, Michael Patrick & Christensen, J. F., 2021, In: Clinical Nutrition. 40, 5, p. 2809-2816 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Billeddiagnostik ved levermetastaser fra kolorektal cancer

    Mollerup, T. K., Lorentzen, T., Møller, J. M., Nørgaard, H. H. & Achiam, Michael Patrick, 27 Jul 2015, In: Ugeskrift for Laeger. 177, p. 2-5 4 p., V12140708 .

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    CT- and MR colonography.

    Achiam, Michael Patrick, Bülow, S. & Rosenberg, J., 2002, In: Scandinavian Journal of Surgery. 91, 4, p. 322-327 6 p.

    Research output: Contribution to journal › Review › Research

  8. Published

    Calcium electroporation of esophageal cancer induces gene expression changes: a sub-study of a phase I clinical trial

    Egeland, C., Balsevicius, L., Gögenur, Ismail, Gehl, Julie, Baeksgaard, L., Garbyal, Rajendra Singh & Achiam, Michael Patrick, 2023, In: Journal of Cancer Research and Clinical Oncology. 149, 17, p. 16031-16042 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Characterizing incidental mass lesions in abdominal dual-energy CT compared to conventional contrast-enhanced CT

    Xu, J. J., Ulriksen, Peter Sommer, Bjerrum, C. W., Achiam, Michael Patrick, Resch, Timothy , Lönn, Lars & Hansen, Kristoffer Lindskov, 2023, In: Acta Radiologica. 64, 3, p. 945–950

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Cirkulerende tumorceller kan muligvis benyttes som prognostisk og prædiktiv markør ved ventrikelcancer

    Okholm, C., Thorsteinsson, M. & Achiam, Michael Patrick, 4 Aug 2014, In: Ugeskrift for Laeger. 176, 16, p. 1490-1493 4 p., V01130083.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Clinical Aspects of MR Colonography as a Diagnostic Tool.

    Achiam, Michael Patrick, 2010

    Research output: Book/Report › Ph.D. thesis › Research

  12. Published

    Clinical aspects of MR colonography as a diagnostic tool

    Achiam, Michael Patrick, 1 Oct 2010, In: Danish Medical Bulletin (Online). 57, 10, p. B4195

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Clinical assessment of tumor regression grade systems in gastroesophageal adenocarcinoma following neoadjuvant chemotherapy

    Lütken, C., Sheikh, K., Willemoe, G. L., Achiam, Michael Patrick & Hasselby, Jane Preuss, 2021, In: Pathology Research and Practice. 224, 153538.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Clinically decisive (dis)agreement in multidisciplinary team assessment of esophageal squamous cell carcinoma; a prospective, national, multicenter study

    Achiam, M. P., Nordsmark, M., Ladekarl, M., Olsen, A., Loft, A., Garbyal, R. S., Larsen, M. H., Ainsworth, A. P., Kristensen, T. S., Dikinis, S., Kjær, D. W., Bæksgaard, L., Siemsen, M., Nielsen, M. B., Schlander, S., Kramer, S., Katballe, N., Kruhlikava, I., Tabaksblat, E., Fisker, R. V. & 6 others, Mortensen, P. B., Holtved, E., Eckardt, J., Detlefsen, S., Naujokaite, G. & Lütken, C. D., 2021, In: Acta Oncologica. 60, 9, p. 1091-1099 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Colon anastomotic leakage: improving the mouse model

    Pommergaard, H., Achiam, Michael Patrick & Rosenberg, Jacob, 2014, In: Surgery Today. 44, 5, p. 933-939 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Comparative Investigation of Postoperative Complications in Patients With Gastroesophageal Junction Cancer Treated With Preoperative Chemotherapy or Surgery Alone

    Achiam, Michael Patrick, Jensen, L. B., Larsson, H., Jensen, L. S., Larsen, A., Holm, J. & Svendsen, Lars Bo, Mar 2016, In: Scandinavian Journal of Surgery. 105, 1, p. 22-8 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Comparing the effects of continuous positive airway pressure via mask or helmet interface on oxygenation and pulmonary complications after major abdominal surgery: a randomized trial

    Osterkamp, J. T. F., Strandby, R. B., Henningsen, L., Marcussen, Klaus Vennick, Thomsen, Thordis, Mortensen, C. R., Achiam, Michael Patrick & Jans, Ø., 2023, In: Journal of Clinical Monitoring and Computing. 37, p. 63–70 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Comparison of "Nil by Mouth" Versus Early Oral Intake in Three Different Diet Regimens Following Esophagectomy

    Eberhard, K. E., Achiam, Michael Patrick, Rolff, H. C., Belmouhand, M., Svendsen, Lars Bo & Thorsteinsson, M., Jun 2017, In: World Journal of Surgery. 41, 6, p. 1575-1583 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Continuous Glucose Monitoring Reveals Perioperative Hypoglycemia in Most Patients With Diabetes Undergoing Major Surgery: A Prospective Cohort Study

    Carlsson, C. J., Nørgaard, Kirsten, Oxbøll, A. B., Søgaard, M. I. V., Achiam, Michael Patrick, Jørgensen, Lars Nannestad, Eiberg, Jonas Peter, wcr491, wcr491, Sørensen, H. B. D., Meyhoff, Christian Sylvest & Aasvang, Eske Kvanner, 2023, In: Annals of Surgery. 277, 4, p. 603-611 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Continuous monitoring of vital sign abnormalities; association to clinical complications in 500 postoperative patients

    Haahr-Raunkjaer, C., Mølgaard, J., Elvekjaer, M., Rasmussen, S. M., Achiam, Michael Patrick, Jørgensen, Lars Nannestad, Søgaard, M. I. V., Grønbæk, K. K., Oxbøll, A. B., Sørensen, H. B. D., Meyhoff, Christian Sylvest & Aasvang, Eske Kvanner, 2022, In: Acta Anaesthesiologica Scandinavica. 66, 5, p. 552-562 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Continuous vital sign monitoring after major abdominal surgery-Quantification of micro events

    Duus, C. L., Aasvang, Eske Kvanner, Olsen, R. M., Sørensen, H. B. D., Jørgensen, L. N., Achiam, Michael Patrick & Meyhoff, Christian Sylvest, 2018, In: Acta Anaesthesiologica Scandinavica. 62, 9, p. 1200-1208 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Damage control-kirurgi ved det septiske abdomen

    Nerup, N., Langballe, K. O. L., Achiam, Michael Patrick & Svendsen, Lars Bo, 2017, In: Ugeskrift for Laeger. 179, 19, 4 p., V12160909.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Decreased Leakage Rate of Colonic Anastomoses by Tachosil Coating: An Experimental Study

    Pommergaard, H., Achiam, Michael Patrick, Burcharth, J. & Rosenberg, Jacob, 25 Jul 2014, In: International Surgery. 99, 4, p. 359-363 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Defining medical simulators for simulation-based education in EUS: Theoretical approach and a narrative review

    Svendsen, M. B. S. & Achiam, Michael Patrick, 2022, In: Endoscopic Ultrasound. 11, 2, p. 95-103 9 p.

    Research output: Contribution to journal › Review › Research › peer-review

  25. Published

    Development of a severe mesenteric traction syndrome during major abdominal surgery is associated with increased postoperative morbidity: Secondary data analysis on prospective cohorts

    Olsen, A. A., Strandby, R. B., Nerup, N., Ambrus, R., Goetze, Jens P. , Svendsen, Lars Bo & Achiam, Michael Patrick, 2020, In: Langenbeck's Archives of Surgery. 405, p. 81-90

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Diagnostic accuracy of MR colonography with fecal tagging

    Achiam, Michael Patrick, Løgager, V. B., Chabanova, E., Eegholm, B., Thomsen, H. S. & Rosenberg, Jacob, 2009, In: Abdominal Imaging. 34, 4, p. 483-90 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Differentiation between benign and malignant colon tumors using fast dynamic gadolinium-enhanced MR colonography; a feasibility study

    Achiam, Michael Patrick, Andersen, Lars Peter Kloster, Klein, Mads Falk, Løgager, V. B., Chabanova, E., Thomsen, Henrik S. & Rosenberg, Jacob, 1 Jun 2010, In: European Journal of Radiology. 74, 3, p. e45-50

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. Published

    Digital thermography complements Laser Speckle Contrast Imaging for the diagnosis of quantified severe mesenteric traction syndrome — A prospective cohort study

    Olsen, A. A., Burgdorf, S., Bigler, D. R., Siemsen, M., Aasvang, Eske Kvanner, Goetze, J. P., Svendsen, M. B. S., Svendsen, Lars Bo & Achiam, Michael Patrick, 2024, In: Microvascular Research. 154, 9 p., 104690.

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    Dysphagia is not a Valuable Indicator of Tumor Response after Preoperative Chemotherapy for R0 Resected Patients with Adenocarcinoma of the Gastroesophageal Junction

    Strandby, R. B., Svendsen, Lars Bo, Bæksgaard, L., Egeland, C. & Achiam, Michael Patrick, Jun 2016, In: Scandinavian Journal of Surgery. 105, 2, p. 97-103 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Early response evaluation of neoadjuvant therapy with PET/MRI to predict resectability in patients with adenocarcinoma of the esophagogastric junction

    Belmouhand, M., Löfgren, J., Johannesen, H. H., Baeksgaard, L., Gutte, H., Tariq, K. & Achiam, Michael Patrick, 2019, In: Abdominal Radiology. 44, 3, p. 836-844 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. Published

    Effect of early versus delayed activation of thoracic epidural anesthesia on plasma pro-atrial natriuretic peptide to indicate deviations in central blood volume during esophagectomy

    Strandby, R. B., Ambrus, R., Achiam, Michael Patrick, Goetze, J. P., Secher, Niels H. & Svendsen, Lars Bo, 2019, In: Regional Anesthesia and Pain Medicine. 44, 8, p. 787-792

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Effect of hypotensive hypovolemia and thoracic epidural anesthesia on plasma pro-atrial natriuretic peptide to indicate deviations in central blood volume in pigs: a blinded, randomized controlled trial

    Strandby, R. B., Ambrus, R., Achiam, Michael Patrick, Henriksen, A., Goetze, J. P., Secher, Niels H. & Svendsen, Lars Bo, 2019, In: Local and Regional Anesthesia. 12, p. 47-55

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. Published

    Effects of glepaglutide, a long-acting glucagon-like peptide-2 analog, on hepatic function as measured by transient elastography and indocyanine green clearance in patients with short bowel syndrome

    Hvistendahl, M., Naimi, R. M., Nerup, N. A., Ambrus, R. B., Ring, L. L., Achiam, Michael Patrick, Svendsen, Lars Bo, Hansen, M. B. & Jeppesen, Palle Bekker, 2018, In: Clinical Nutrition. 37, S1, p. S35-S36

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  34. Published

    Effects of glepaglutide, a long-acting glucagon-like peptide-2 analog, on intestinal morphology and perfusion in patients with short bowel syndrome: Findings from a randomized phase 2 trial

    Naimi, R. M., Hvistendahl, M. K., Poulsen, Steen Seier, Kissow, Hannelouise, Pedersen, Jens, Nerup, N. A., Ambrus, R., Achiam, Michael Patrick, Svendsen, Lars Bo & Jeppesen, Palle Bekker, 2023, In: Journal of Parenteral and Enteral Nutrition. 47, 1, p. 140-150

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Effects of glepaglutide, a novel long-acting glucagon-like peptide-2 analogue, on markers of liver status in patients with short bowel syndrome: findings from a randomised phase 2 trial

    Naimi, R. M., Hvistendahl, M., Nerup, N., Ambrus, R., Achiam, Michael Patrick, Svendsen, Lars Bo, Grønbæk, H., Møller, H. J., Vilstrup, H., Steensberg, A. & Jeppesen, Palle Bekker, 2019, In: EBioMedicine. 46, p. 444-451 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. Published

    Effekten af faste på operative færdigheder hos kirurger

    Gogenur, I., Jacobsen, H. L. & Achiam, Michael Patrick, 2008, In: Ugeskrift for læger. 170, 51, p. 4236-4237 1 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Published

    Embolization of the thoracic duct in patients with iatrogenic chylothorax

    Bazancir, L. A., Jensen, R. J., Frevert, S. C., Ryom, P. & Achiam, Michael Patrick, 2021, In: Diseases of the Esophagus. 34, 9, 8 p., doab001.

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    Endoscopic Calcium Electroporation in Patients with Barrett’s Esophagus High-Grade Dysplasia: A First-in-Man Phase I Study

    Bazancir, L. A., Egeland, C., Garbyal, R. S., Gehl, Julie & Achiam, Michael Patrick, 2022, In: Journal of the American College of Surgeons. 235, 5, p. S25-S25 1 p.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  39. Published

    Endoscopic electrochemotherapy for esophageal cancer: a phase I clinical study

    Egeland, C., Baeksgaard, L., Johannesen, Helle Hjorth, Lofgren, J., Plaschke, C. C., Svendsen, Lars Bo, Gehl, Julie & Achiam, Michael Patrick, 2018, In: Endoscopy International Open. 6, 6, p. E727-E734

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. Published

    Evaluation of Gastric Microcirculation by Laser Speckle Contrast Imaging During Esophagectomy: Presented at the Annual Meeting of the Danish Surgical Society, Copenhagen, Denmark, November 2016.

    Ambrus, R., Achiam, Michael Patrick, Secher, Niels H., Svendsen, M. B. S., Rünitz, K., Siemsen, M. & Svendsen, Lars Bo, 2017, In: Journal of the American College of Surgeons. 225, 3, p. 395-402

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. Published

    Evaluation of the systemic inflammatory response, endothelial cell dysfunction, and postoperative morbidity in patients, receiving perioperative corticosteroid, developing severe mesenteric traction syndrome — an exploratory study

    Olsen, A. A., Strandby, R. B., Johansson, P. I., Sørensen, H., Svendsen, Lars Bo & Achiam, Michael Patrick, 2022, In: Langenbecks Archives of Surgery. 407, 5, p. 2095-2103 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. Published

    Excessive Oxygen Administration in High-Risk Patients Admitted to Medical and Surgical Wards Monitored by Wireless Pulse Oximeter

    Mathar, C. E., Haahr-Raunkjær, C., Elvekjær, M., Gu, Y., Holm, C. P., Achiam, Michael Patrick, Jørgensen, Lars Nannestad, Aasvang, Eske Kvanner & Meyhoff, Christian Sylvest, 2024, In: Sensors. 24, 4, 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Extramedullary relapse in a patient with multiple myeloma: A rare cause of gastrointestinal perforation and massive bleeding

    Rene, C. G., Achiam, Michael Patrick, Salomo, M. & Penninga, Luit, 2021, In: BMJ Case Reports. 14, 11, 243663.

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. Published

    Feasibility and usability of real-time intraoperative quantitative fluorescent-guided perfusion assessment during resection of gastroesophageal junction cancer

    Nerup, N., Svendsen, M. B. S., Svendsen, Lars Bo & Achiam, Michael Patrick, 2020, In: Langenbeck's Archives of Surgery. 405, p. 215-222

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    Fibrin Glue Does Not Improve Healing of Gastrointestinal Anastomoses: A Systematic Review

    Nordentoft, Tyge, Pommergaard, H., Rosenberg, Jacob & Achiam, Michael Patrick, 2015, In: European Surgical Research. 54, 1-2, p. 1-13 13 p.

    Research output: Contribution to journal › Review › Research › peer-review

  46. Published

    Fluorescence guided intraluminal endoscopy in the gastrointestinal tract: A systematic review

    Mortensen, O. E., Nerup, N., Thorsteinsson, M., Svendsen, M. B. S., Shiwaku, H. & Achiam, Michael Patrick, 2020, In: World Journal of Gastrointestinal Endoscopy. 12, 10, p. 388-400 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Gastrointestinal applications of iodine quantification using dual-energy CT: A systematic review

    Xu, J. J., Taudorf, M., Ulriksen, P. S., Achiam, Michael Patrick, Resch, T. A., Nielsen, Michael Bachmann, Lönn, Lars & Hansen, Kristoffer Lindskov, 2020, In: Diagnostics. 10, 10, 814.

    Research output: Contribution to journal › Review › Research › peer-review

  48. Published

    Glepaglutide, a novel long-acting glucagon-like peptide-2 analogue, for patients with short bowel syndrome: a randomised phase 2 trial

    Naimi, R. M., Hvistendahl, M., Enevoldsen, L. H., Madsen, J. L., Fuglsang, S., Poulsen, Steen Seier, Kissow, Hannelouise, Pedersen, Jens, Nerup, N., Ambrus, R., Achiam, Michael Patrick, Svendsen, L. B., Holst, Jens Juul, Hartmann, Bolette, Hansen, S. H., Dragsted, Lars Ove, Steensberg, A., Mouritzen, U., Hansen, M. B. & Jeppesen, Palle Bekker, 2019, In: The Lancet Gastroenterology and Hepatology. 4, 5, p. 354-363 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Glucagon like peptide-2 and neoplasia; a systematic review

    Ring, L. L., Nerup, N., Jeppesen, Palle Bekker, Svendsen, Lars Bo & Achiam, Michael Patrick, 2018, In: Expert Review of Gastroenterology & Hepatology. 12, 3, p. 257-264

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    Health economic aspects of evaluation with diffusion weighted MR and MR colonography compared to standard evaluation with colonoscopy and CT before rectal cancer surgery

    Achiam, Michael Patrick, Kjellberg, J. & Rosenberg, Jacob, 2017, In: Acta Radiologica. 58, 4, p. 435-441 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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ID: 93715401