Michael Patrick Achiam

Michael Patrick Achiam

Clinical Associate Professor


  1. 2019
  2. Published

    Early response evaluation of neoadjuvant therapy with PET/MRI to predict resectability in patients with adenocarcinoma of the esophagogastric junction. / Belmouhand, Mohamed; Löfgren, Johan; Johannesen, Helle Hjorth; Baeksgaard, Lene; Gutte, Henrik; Tariq, Kiran; Achiam, Michael Patrick.

    In: Abdominal Radiology, Vol. 44, No. 3, 2019, p. 836-844.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Glepaglutide, a novel long-acting glucagon-like peptide-2 analogue, for patients with short bowel syndrome : a randomised phase 2 trial. / Naimi, Rahim M; Hvistendahl, Mark; Enevoldsen, Lotte H; Madsen, Jan L; Fuglsang, Stefan; Poulsen, Steen Seier; Kissow, Hannelouise; Pedersen, Jens; Nerup, Nikolaj; Ambrus, Rikard; Achiam, Michael P; Svendsen, Lars B; Holst, Jens Juul; Hartmann, Bolette; Hansen, Svend H; Dragsted, Lars Ove; Steensberg, Adam; Mouritzen, Ulrik; Hansen, Mark B; Jeppesen, Palle Bekker.

    In: The Lancet Gastroenterology and Hepatology, Vol. 4, No. 5, 2019, p. 354-363.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Laser speckle contrast imaging for quantitative assessment of facial flushing during mesenteric traction syndrome in upper gastrointestinal surgery. / Ring, Linea Landgrebe; Strandby, Rune B; Henriksen, Amalie; Ambrus, Rikard; Sørensen, Henrik; Gøtze, Jens Peter; Svendsen, Lars Bo; Achiam, Michael Patrick.

    In: Journal of Clinical Monitoring and Computing, Vol. 33, No. 5, 2019, p. 903-910.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Accepted/In press

    The effect of glucagon-like peptide-1 and glucagon-like peptide-2 on microcirculation : a systematic review. / Nerup, Nikolaj; Ambrus, Rikard; Lindhe, Joanna; Achiam, Michael P.; Jeppesen, Palle B.; Svendsen, Lars B.

    In: Microcirculation, 2019.

    Research output: Contribution to journalReviewResearchpeer-review

  6. 2018
  7. Published

    Continuous vital sign monitoring after major abdominal surgery-Quantification of micro events. / Duus, C L; Aasvang, E K; Olsen, R M; Sørensen, H B D; Jørgensen, L N; Achiam, M P; Meyhoff, C S.

    In: Acta Anaesthesiologica Scandinavica, Vol. 62, No. 9, 2018, p. 1200-1208.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. 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, M.P.; Svendsen, L.B.; Hansen, M.b.; Jeppesen, P.B.

    In: Clinical Nutrition, Vol. 37, No. S1, 2018, p. S35-S36.

    Research output: Contribution to journalConference abstract in journalResearchpeer-review

  9. Published

    Endoscopic electrochemotherapy for esophageal cancer: a phase I clinical study. / Egeland, Charlotte; Baeksgaard, Lene; Johannesen, Helle Hjorth; Lofgren, Johan; Plaschke, Christina Caroline; Svendsen, Lars Bo; Gehl, Julie; Achiam, Michael Patrick.

    In: Endoscopy International Open, Vol. 6, No. 6, 2018, p. E727-E734.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Glucagon like peptide-2 and neoplasia; a systematic review. / Ring, Linea Landgrebe; Nerup, Nikolaj; Jeppesen, Palle Bekker; Svendsen, Lars Bo; Achiam, Michael Patrick.

    In: Expert Review of Gastroenterology & Hepatology, Vol. 12, No. 3, 2018, p. 257-264.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    High Age Increases the Risk of Complications and Reduces Survival Following Esophagectomy for Adenocarcinoma. / Kjaer, Daniel Willy; Fjerderholt, Kaare Terp; Kirkegaard, Jakob; Okholm, Cecilie; Achiam, Michael Patrick; Svendsen, Lars Bo; Mortensen, Frank Viborg.

    In: Journal of Surgery (New York), Vol. 6, No. 1, 2018, p. 1-7.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Ketorolac and Other NSAIDs Increase the Risk of Anastomotic Leakage After Surgery for GEJ Cancers : a Cohort Study of 557 Patients. / Fjederholt, Kaare Terp; Okholm, Cecilie; Svendsen, Lars Bo; Achiam, Michael Patrick; Kirkegård, Jakob; Mortensen, Frank Viborg.

    In: Journal of Gastrointestinal Surgery, Vol. 22, No. 4, 2018, p. 587-594.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    PERIOPERATIVE PERFUSION ASSESSMENT WITH QUANTITATIVE FLUORESCENCE ANGIOGRAPHY. / Nerup, Nikolaj; Bo Svendsen, Morten; Bo Svendsen, Lars; Achiam, Michael.

    In: Diseases of the Esophagus, Vol. 31, No. Supplement 1, 2018, p. 94-95.

    Research output: Contribution to journalConference abstract in journalResearchpeer-review

  14. Published

    Quantitative perfusion assessment of intestinal anastomoses in pigs treated with glucagon-like peptide 2. / Nerup, Nikolaj; Ring, Linea Landgrebe; Strandby, Rune Broni; Egeland, Charlotte; Svendsen, Morten Bo Søndergaard; Hasselby, Jane Preuss; Willemoe, Gro Linno; Hartmann, Bolette; Svendsen, Lars Bo; Achiam, Michael Patrick.

    In: Langenbeck's Archives of Surgery, Vol. 403, No. 7, 2018, p. 881-889.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Recurrence following curative intended surgery for an adenocarcinoma in the gastroesophageal junction : A retrospective study. / Belmouhand, Mohamed; Svendsen, Lars B.; Kofoed, Steen C.; Normann, Gitte; Baeksgaard, Lene; Achiam, Michael P.

    In: Diseases of the Esophagus (Print), Vol. 31, No. 4, dox136, 2018.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Single-operator cholangioscopy is useful for visual assessment of bile duct pathology. / Mellemgaard, Finnur; Strandby, Rune B; Blockmann, Julie; Kofoed, Steen C; Svendsen, Lars B; Achiam, Michael P.

    In: Danish Medical Journal, Vol. 65, No. 8, A5496, 2018.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Svære komplikationer efter tab af galdesten under laparoskopisk kolecystektomi. / Ross Clemmesen, Tobias Bastian; Achiam, Michael Patrick; Pedersen, Christian Roos.

    In: Ugeskrift for Laeger, Vol. 180, No. 29, V10170787, 2018.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Synchronous and metachronous liver metastases in patients with colorectal cancer. / Okholm, Cecilie; Mollerup, Talie Khadem; Schultz, Nicolai Aagaard; Strandby, Rune Broni; Achiam, Michael Patrick.

    In: Danish Medical Journal, Vol. 65, No. 12, A5524, 2018.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    The occurrence of Enterococcus faecium and faecalis Is significantly associated With anastomotic leakage After pancreaticoduodenectomy. / Belmouhand, M; Krohn, P S; Svendsen, L B; Henriksen, A; Hansen, C P; Achiam, M P.

    In: Scandinavian Journal of Surgery, Vol. 107, No. 2, 2018, p. 107-113.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    The optimal lymph node dissection in patients with adenocarcinoma of the esophagogastric junction. / Okholm, Cecilie; Fjederholt, Kaare Terp; Mortensen, Frank Viborg; Svendsen, Lars Bo; Achiam, Michael Patrick.

    In: Surgical Oncology, Vol. 27, No. 1, 2018, p. 36-43.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. 2017
  22. Published

    Severe Postoperative Complications may be Related to Mesenteric Traction Syndrome during Open Esophagectomy. / Ambrus, R; Svendsen, L B; Secher, N H; Goetze, J P; Rünitz, K; Achiam, M P.

    In: Scandinavian Journal of Surgery, Vol. 106, No. 3, 09.2017, p. 241-248.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Comparison of "Nil by Mouth" Versus Early Oral Intake in Three Different Diet Regimens Following Esophagectomy. / Eberhard, Kristine Elisabeth; Achiam, Michael Patrick; Rolff, Hans Christian; Belmouhand, Mohamed; Svendsen, Lars Bo; Thorsteinsson, Morten.

    In: World Journal of Surgery, Vol. 41, No. 6, 06.2017, p. 1575-1583.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Quantification of fluorescence angiography in a porcine model. / Nerup, Nikolaj; Andersen, Helene Schou; Ambrus, Rikard; Strandby, Rune Broni; Svendsen, Morten Bo Søndergaard; Madsen, Mads Holst; Svendsen, Lars Bo; Achiam, Michael Patrick.

    In: Langenbecks Archives of Surgery, Vol. 402, No. 4, 06.2017, p. 655-662.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Plasma pro-atrial natriuretic peptide to estimate fluid balance during open and robot-assisted esophagectomy : a prospective observational study. / Strandby, Rune Broni; Ambrus, Rikard; Secher, Niels H; Goetze, Jens Peter; Achiam, Michael Patrick; Svendsen, Lars Bo.

    In: B M C Anesthesiology, Vol. 17, 20, 03.02.2017.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    A reduced gastric corpus microvascular blood flow during Ivor-Lewis esophagectomy detected by laser speckle contrast imaging technique. / Ambrus, Rikard; Svendsen, Lars Bo; Secher, Niels H.; Rünitz, Kim; Frederiksen, Hans-Jørgen; Svendsen, Morten Bo Søndergaard; Siemsen, Mette; Kofoed, Steen C.; Achiam, Michael Patrick.

    In: Scandinavian Journal of Gastroenterology, Vol. 52, No. 4, 2017, p. 455-461.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Damage control-kirurgi ved det septiske abdomen. / Nerup, Nikolaj; Langballe, Karen Oline Larsen; Achiam, Michael P; Svendsen, Lars B.

    In: Ugeskrift for Laeger, Vol. 179, No. 19, V12160909, 2017.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. 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, Rikard; Achiam, Michael P; Secher, Niels H; Svendsen, Morten B S; Rünitz, Kim; Siemsen, Mette; Svendsen, Lars B.

    In: Journal of the American College of Surgeons, Vol. 225, No. 3, 2017, p. 395-402.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. 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 P; Kjellberg, Jakob; Rosenberg, Jacob.

    In: Acta Radiologica, Vol. 58, No. 4, 2017, p. 435-441.

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    Perioperative evaluation of patients with colorectal cancer using magnetic resonance imaging. / Achiam, Michael Patrick.

    Faculty of Health and Medical Sciences, University of Copenhagen, 2017. 163 p.

    Research output: Book/ReportDoctoral thesisResearch

  31. Published

    Reproducibility and Reliability of Repeated Quantitative Fluorescence Angiography. / Nerup, Nikolaj; Knudsen, Kristine Bach Korsholm; Ambrus, Rikard; Svendsen, Morten Bo Søndergaard; Thymann, Thomas; Ifaoui, Inge Botker Rasmussen; Svendsen, Lars Bo; Achiam, Michael Patrick.

    In: Surgical technology international, Vol. 31, 2017, p. 35-39.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Robot-Assisted Hybrid Esophagectomy Is Associated with a Shorter Length of Stay Compared to Conventional Transthoracic Esophagectomy : A Retrospective Study. / Rolff, Hans C; Ambrus, Rikard B; Belmouhand, Mohammed; Achiam, Michael P; Wegmann, Marianne; Siemsen, Mette; Kofoed, Steen C; Svendsen, Lars B.

    In: Minimally Invasive Surgery, Vol. 2017, 6907896, 2017.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    The use of a transparent cap in sigmoidoscopy. / Ploug, Magnus; Poulsen, Jacob Kvist; Jensen, Henning Quist; Achiam, Michael.

    In: Indian Journal of Gastroenterology, Vol. 36, No. 4, 2017, p. 318-322.

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. 2016
  35. Published

    Dysphagia is not a Valuable Indicator of Tumor Response after Preoperative Chemotherapy for R0 Resected Patients with Adenocarcinoma of the Gastroesophageal Junction. / Strandby, Rune B; Svendsen, Lars Bo; Bæksgaard, Lene; Egeland, C; Achiam, M P.

    In: Scandinavian Journal of Surgery, Vol. 105, No. 2, 06.2016, p. 97-103.

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. Published

    The Multidisciplinary Team Conference's Decision on M-Staging in Patients with Gastric- and Gastroesophageal Cancer is not Accurate without Staging Laparoscopy. / Strandby, Rune Broni; Svendsen, Lars Bo; Fallentin, E.; Egeland, C; Achiam, M P.

    In: Scandinavian Journal of Surgery, Vol. 105, No. 2, 06.2016, p. 104-8.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Comparative Investigation of Postoperative Complications in Patients With Gastroesophageal Junction Cancer Treated With Preoperative Chemotherapy or Surgery Alone. / Achiam, M P; Jensen, L.B.; Larsson, H.; Jensen, L.S.; Larsen, A.-C.; Holm, J; Svendsen, Lars Bo.

    In: Scandinavian Journal of Surgery, Vol. 105, No. 1, 03.2016, p. 22-8.

    Research output: Contribution to journalJournal articleResearchpeer-review

  38. Published

    Preoperative CT versus diffusion weighted magnetic resonance imaging of the liver in patients with rectal cancer : a prospective randomized trial. / Achiam, Michael P; Løgager, Vibeke B; Skjoldbye, Bjørn; Møller, Jakob M; Lorenzen, Torben; Rasmussen, Vera L; Thomsen, Henrik S; Mollerup, Talie H; Okholm, Cecilie; Rosenberg, Jacob.

    In: PeerJ, Vol. 4, e1532, 14.01.2016.

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    Laser speckle contrast imaging for monitoring changes in microvascular blood flow. / Ambrus, Rikard; Strandby, Rune B.; Svendsen, Lars Bo; Achiam, Michael Patrick; Steffensen, John Fleng; Svendsen, Morten Bo Søndergaard.

    In: European Surgical Research, Vol. 56, No. 3-4, 2016, p. 87-96.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Published

    Thoracic epidural analgesia reduces gastric microcirculation in the pig. / Ambrus, Rikard; Strandby, Rune B; Secher, Niels H.; Runitz, Kim; Svendsen, Morten Bo Søndergaard; Petersen, Lonnie Grove; Achiam, Michael Patrick; Svendsen, Lars Bo.

    In: BMC Anesthesiology, Vol. 16, 86, 2016, p. 1-8.

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. Published

    Verrucous Squamous Cell Cancer in the Esophagus : An Obscure Diagnosis. / Egeland, C; Achiam, M P; Federspiel, B; Svendsen, L B.

    In: Case Reports in Gastroenterology, Vol. 10, No. 2, 2016, p. 466-471.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. 2015
  43. Published

    Perioperative Colonic Evaluation in Patients with Rectal Cancer; MR Colonography Versus Standard Care. / Achiam, Michael Patrick; Løgager, Vibeke; Lund Rasmussen, Vera; Okholm, Cecilie; Mollerup, Talie; Thomsen, Henrik S; Rosenberg, Jacob.

    In: Academic Radiology, Vol. 22, No. 12, 12.2015, p. 1522-8.

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. Published

    Peritoneal lavage under udredning for ventrikelcancer prædikterer overlevelsen. / Strandby, Rune Broni; Svendsen, Lars Bo; Hasselby, Jane Preuss; Achiam, Michael Patrick.

    In: Ugeskrift for Laeger, Vol. 177, No. 23, V08140449, 09.11.2015, p. 2209-13.

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    Billeddiagnostik ved levermetastaser fra kolorektal cancer. / Mollerup, Talie Khadem; Lorentzen, Torben; Møller, Jakob M; Nørgaard, Hans Henrik; Achiam, Michael P.

    In: Ugeskrift for Laeger, Vol. 177, V12140708 , 27.07.2015, p. 2-5.

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Published

    Intrathoracic anastomotic leakage after gastroesophageal cancer resection is associated with increased risk of recurrence. / Kofoed, Steen C; Calatayud, Dan; Jensen, Lone S; Helgstrand, Frederik; Achiam, Michael P; De Heer, Pieter; Svendsen, Lars B; Danish Esophageal, Cardia and Stomach Cancer Group.

    In: Journal of Thoracic and Cardiovascular Surgery, Vol. 150, No. 1, 07.2015, p. 42-8.

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    Post–Endoscopic Retrograde Cholangiopancreaticography complications in liver transplanted patients, a single-center experience. / Ambrus, R B; Svendsen, Lars Bo; Hillingsø, J G; Lundsgaard Hansen, Martin; Achiam, M P.

    In: Scandinavian Journal of Surgery, Vol. 104, No. 2, 06.2015, p. 86-91.

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    Impaired blood supply in the colonic anastomosis in mice compromises healing. / Pommergaard, Hans-Christian; Achiam, Michael Patrick; Burcharth, Jakob; Rosenberg, Jacob.

    In: International Surgery, Vol. 100, No. 1, 01.2015, p. 70-6.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Fibrin Glue Does Not Improve Healing of Gastrointestinal Anastomoses : A Systematic Review. / Nordentoft, Tyge; Pommergaard, Hans-Christian; Rosenberg, Jacob; Achiam, Michael Patrick.

    In: European Surgical Research, Vol. 54, No. 1-2, 2015, p. 1-13.

    Research output: Contribution to journalReviewResearchpeer-review

  50. 2014
  51. Published

    Inflammatory response in laparoscopic vs. open surgery for gastric cancer. / Okholm, Cecilie; Goetze, Jens Peter; Svendsen, Lars Bo; Achiam, Michael Patrick.

    In: Scandinavian Journal of Gastroenterology, Vol. 49, No. 9, 09.2014, p. 1027-1034.

    Research output: Contribution to journalReviewResearchpeer-review

  52. Published

    Status and prognosis of lymph node metastasis in patients with cardia cancer – A systematic review. / Okholm, Cecilie; Svendsen, Lars Bo; Achiam, Michael P.

    In: Surgical Oncology, Vol. 23, No. 3, 09.2014, p. 140-146.

    Research output: Contribution to journalReviewResearchpeer-review

  53. Published

    Cirkulerende tumorceller kan muligvis benyttes som prognostisk og prædiktiv markør ved ventrikelcancer. / Okholm, Cecilie; Thorsteinsson, Morten; Achiam, Michael Patrick.

    In: Ugeskrift for Laeger, Vol. 176, No. 16, V01130083, 04.08.2014, p. 1490-1493.

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. Published

    Decreased Leakage Rate of Colonic Anastomoses by Tachosil Coating : An Experimental Study. / Pommergaard, Hans-Christian; Achiam, Michael Patrick; Burcharth, Jakob; Rosenberg, Jacob.

    In: International Surgery, Vol. 99, No. 4, 25.07.2014, p. 359-363.

    Research output: Contribution to journalJournal articleResearchpeer-review

  55. Published

    Nutidige og fremtidige aspekter ved robotkirurgi inden for øsofagus-ventrikel-cancer. / Achiam, Michael Patrick; Jendresen, Marianne; Svendsen, Lars Bo.

    In: Ugeskrift for Laeger, Vol. 176, No. 3, 03.02.2014, p. 219-222.

    Research output: Contribution to journalJournal articleResearchpeer-review

  56. Published

    Colon anastomotic leakage : improving the mouse model. / Pommergaard, Hans-Christian; Achiam, Michael Patrick; Rosenberg, Jacob.

    In: Surgery Today, Vol. 44, No. 5, 2014, p. 933-939.

    Research output: Contribution to journalJournal articleResearchpeer-review

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