
I am a biomedical researcher and lecturer in anatomy and physiology for the University of Newcastle, based in Gosford on the Central Coast of New South Wales. My research field is peripheral vascular disease (including abdominal aortic aneurysm) and regenerative medicine.
Selected publications from PubMed
Perforation after colorectal endoscopic submucosal dissection - closable is not safe!
Eitan M, Gupta S, Kim JY, Burgess NG, Bourke MJ
Endoscopy. 2026 Sep;58(9):1064-1065 doi: 10.1055/a-2888-6085.
Optical diagnosis, not endoscopic submucosal dissection, is the rate-limiting step in organ preservation for suspected T1 colorectal cancers.
Eitan M, Burgess NG, Lam BN, Kim JY, Kim YS, Bourke MJ
Gastrointest Endosc. 2026 Sep;104(3):503-504 doi: 10.1016/j.gie.2026.03.004.
Prophylactic clip closure after right-colon endoscopic mucosal resection in a matched cohort of 470 patients exhibits sub-site heterogeneity.
Eitan M, Gupta S, Kim JY, Kim YS, Deane C, De Groof AJ, Williams S, Lee EY, Lam B, Burgess NG, Bourke MJ
Endoscopy. 2026 Aug 24 doi: 10.1055/a-2944-4098.
Sustained clinical outcomes at long-term follow-up after peroral endoscopic myotomy for achalasia: a multicentre cohort study.
Perananthan V, Bracken L, Huang A, Jones F, Mandarino FV, Lam B, Gauci J, Kerrison C, Gupta S, Whitfield A, Burgess N, Raftopoulos S, Holt BA, Hourigan LF, Bourke MJ
Intern Med J. 2026 Aug 16 doi: 10.1111/imj.70609.
Deferring first surveillance to 3 years after colorectal ESD is not supported by these data.
Eitan M, Gupta S, Bourke MJ
Gut. 2026 Aug 3 pii: gutjnl-2026-340132. doi: 10.1136/gutjnl-2026-340132.

In the colorectal field, Willem Bemelman used the TAMIS approach for treatment of pouch complications in a patient with a history of ulcerative colitis. From the Hospital Clínic at Barcelona, Antonio M. de Lacy and his team showed the most innovative surgical approach for radical resection of rectal cancer, the Cecil approach. Alessio Pigazzi also joined us to show the advantages of robotic assistance in this procedure. As regards the treatment of functional colorectal disorders, André D’Hoore commented on the indications and main steps for the most effective surgical treatment for rectal prolapse, the laparoscopic ventral rectopexy. The Altemeier procedure may be considered for fragile and elderly patients requiring a short operative time and low surgical aggression. Raúl Almenara performed this operation focusing on the technical aspects to obtain good results. There are currently modern techniques for treatment of fecal incontinence and hemorrhoids aimed at delivering the lowest aggression rate to selected patients. Sebastiano Biondo showed all the factors involved in a Gatekeeper for rectal prolapse and a transanal hemorrhoidal dearterialization (THD) as a minimal invasive procedure for treatment of hemorrhoids. In the bariatric field Antonio Lacy and Raquel Bravo commented on the results of a Sleeve Gastrectomy and took us through the basics to perform it. Dr Lacy also delivered a step by step for gastric bypass with Dulce Momblán. In this live surgery, the main anatomical landmarks, the length of the loops and the approaches to perform the anastomosis were reviewed. They also performed a complex case of revisional bariatric surgery, the conversion of a sleeve gastrectomy into a Scopinaro procedure in a patient with severe adhesions from previous surgeries. Together with Ricard Corcelles, Antonio Lacy also performed the conversion of a sleeve gastrectomy into a Roux-en-Y gastric bypass in a GERD patient. Guy-Bernard Cadière performed the conversion of a failed lap band into a Roux-en-Y Gastric bypass, proving that it is feasible and safe to perform removal and conversion in a single surgery. There are other surgical techniques with promising results for treatment of morbid obesity and its comorbidities. Andres Sanchez-Pernaute and Antonio Torres explained the main factors about the SADI procedure while performing it. We are aware of the increasing relevance of advanced endoscopic skills. Haruhiro Inoue and Gloria Fernández Esparrach proved this by showing a POEM procedure in an achalasia patient. We also had Michael Bourke performing a complex polypectomy, more specifically the removal of a polyp located at the ileocecal valve. We strongly believe that proctoring and training of residents and young surgeons must be a priority. In 2015 two live surgeries were dedicated to the training of surgical residents: more specifically, a lap sleeve gastrectomy and a lap sigmoidectomy This was an amazing year for AIS Channel. Thank you for viewing us, and get ready for 2016!
Published
Dec 2015

Endoscopic mucosal resection (EMR) is an effective alternative to surgery for laterally spreading and sessile polyps up to 120mm in size. Endoscopic removal of polyps involving the ileocecal valve (ICV) is difficult due to a major risk of complications. Thus surgical treatment is often recommended despite a benign histology. Improvements in the EMR technique now make the successful endoscopic removal of most of these polyps possible. Dr. Michael Bourke, a leading global expert in the endoscopic mucosal resection technique, performed the procedure in a complex case live for the entire AIS Channel Community. He provided tips and show the limitations of EMR when facing an ICV polyp.
With Olympus
Published
Jun 2015
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