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Mr. Brian Mehigan
Clinical Associate Professor, Surgery
Clinical Associate Professor, School Office - Medicine

Publications and Further Research Outputs

Peer-Reviewed Publications

Mehigan BJ, Monson JR, Hartley JE, Stapling procedure for haemorrhoids versus Milligan-Morgan haemorrhoidectomy: randomised controlled trial., Lancet (London, England), 2000 Journal Article, 2000

Dowling Catríona M, Hayes Sheri L, Phelan James J, Cathcart Mary Clare, Finn Stephen P, Mehigan Brian, McCormick Paul, Coffey John C, O'sullivan Jacintha, Kiely Patrick A, Expression of protein kinase C gamma promotes cell migration in colon cancer , Oncotarget , 8 , (42 ), 2017, p72096 - 72107 Journal Article, 2017 DOI URL

Donlon LE, Kelly ME, Narouz F, McCormick PH, Larkin JO, Mehigan BJ, Colonic stenting as a bridge to surgery in malignant large bowel obstruction: oncological outcomes, Int J Colorectal Disease, 34, (4), 2019, p613 - 619 Journal Article, 2019

Hartley JE, Mehigan BJ, Qureshi AE, Duthie GS, Lee PW, Monson JR, Total mesorectal excision: assessment of the laparoscopic approach., Diseases of the colon and rectum, 2001 Journal Article, 2001

Stephens I, Stuart C, Stephens R, McCormick P, Larkin J, Mehigan B, Trends in surgical mortality following colorectal resection between 2002 and 2012: A single-centre, retrospective analysis., Irish medical journal, 2017 Journal Article, 2017

O'Kane GM, Ryan É, McVeigh TP, Creavin B, Hyland JM, O'Donoghue DP, Keegan D, Geraghty R, Flannery D, Nolan C, Donovan E, Mehigan BJ, McCormick P, Gallagher DJ, Screening for mismatch repair deficiency in colorectal cancer: data from three academic medical centers., Cancer medicine, 2017 Journal Article, 2017

Al Chalabi H, O'Riordan JM, Richardson A, Flannery D, O'Connor K, Stuart C, Larkin J, McCormick P, Mehigan B, Six-year experience of a nurse-led colorectal cancer follow-up clinic., Surgery research and practice, 2014 Journal Article, 2014

Kennelly RP, Murphy B, Larkin JO, Mehigan BJ, McCormick PH, Activated systemic inflammatory response at diagnosis reduces lymph node count in colonic carcinoma., World journal of gastrointestinal oncology, 2016 Journal Article, 2016

Larkin JO, Moriarity AR, Cooke F, McCormick PH, Mehigan BJ, Self-expanding metal stent insertion by colorectal surgeons in the management of obstructing colorectal cancers: a 6-year experience., Techniques in coloproctology, 2013 Journal Article, 2013

Mehigan BJ, Ashman JN, Baker RP, Macdonald A, Greenman J, Monson JR, Cawkwell L, Mismatch repair, p53 and chromosomal aberrations in primary colorectal carcinomas., Acta oncologica (Stockholm, Sweden), 2006 Journal Article, 2006

Moriarity A, O'Sullivan J, Kennedy J, Mehigan B, McCormick P, Current targeted therapies in the treatment of advanced colorectal cancer: A review, Therapeutic Advances in Medical Oncology, 8, (4), 2016, p276 - 293 Journal Article, 2016 URL DOI

Mehigan B, White A, Winter DC, Sheehan KM, Hyland JM, Laparoscopic colorectal resection: initial experience in a specialist unit., Irish medical journal, 2006 Journal Article, 2006

Dowling C, Phelan J, Cathcart M, Mehigan B, McCormick P, Dalton T, Coffey C, Newton A, O'Sullivan J and Kiely P., Protein Kinase C Beta II suppresses colorectal cancer by regulating IGF-1 mediated cell survival, Oncotarget, 7, 2016, p20919-20933 Journal Article, 2016 DOI TARA - Full Text

Hartley JE, Mehigan BJ, MacDonald AW, Lee PW, Monson JR, Patterns of recurrence and survival after laparoscopic and conventional resections for colorectal carcinoma., Annals of surgery, 2000 Journal Article, 2000

Al Chalabi H, Larkin J, Mehigan B, McCormick P, A systematic review of laparoscopic versus open abdominal incisional hernia repair, with meta-analysis of randomized controlled trials., International journal of surgery (London, England), 2015 Journal Article, 2015

Hartley JE, Mehigan BJ, Monson JR, Alterations in the immune system and tumor growth in laparoscopy., Surgical endoscopy, 2000 Journal Article, 2000

McKenny M, O'Malley C, Mehigan B, McCormick P, Dowd N, Introduction of oesophageal Doppler-guided fluid management in a laparoscopic colorectal surgery enhanced recovery programme: an audit of effect on patient outcome., Irish medical journal, 2014 Journal Article, 2014

Awan FN, Zulkifli MS, McCormack O, Manzoor T, Ravi N, Mehigan B, Reynolds JV, Factors involved in unplanned admissions from general surgical day-care in a modern protected facility., Irish medical journal, 106, (5), 2013, p153-4 Journal Article, 2013 TARA - Full Text

O'Riordan JM, Larkin JO, Mehigan BJ, McCormick PH, Re-laparoscopy in the diagnosis and treatment of postoperative complications following laparoscopic colorectal surgery., The surgeon : journal of the Royal Colleges of Surgeons of Edinburgh and Ireland, 2013 Journal Article, 2013

Larkin JO, Carroll PA, McCormick PH, Mehigan BJ, Control of splenic bleeding during splenic flexure mobilisation by devascularisation of the inferior pole of the spleen., Techniques in coloproctology, 2012 Journal Article, 2012

Nugent E, Hseino H, Boyle E, Mehigan B, Ryan K, Traynor O, Neary P, Assessment of the role of aptitude in the acquisition of advanced laparoscopic surgical skill sets: results from a virtual reality-based laparoscopic colectomy training programme., International journal of colorectal disease, 2012 Journal Article, 2012

Woods R, Larkin JO, Muldoon C, Kennedy MJ, Mehigan B, McCormick P, Metastatic paediatric colorectal carcinoma., Irish medical journal, 105, (3), 2012, p88-9 Journal Article, 2012

Healy LA, Howard JM, Ryan AM, Beddy P, Mehigan B, Stephens R, Reynolds JV, Metabolic syndrome and leptin are associated with adverse pathological features in male colorectal cancer patients., Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland, 14, (2), 2012, p157-65 Journal Article, 2012 DOI

Tilson, L; Sharp, L; Usher, C; Walsh, C; O'ÄôCeilleachair, A; Stuart, C; Mehigan, B; John Kennedy, M; Tappenden, P; Chilcott, J; , Cost of care for colorectal cancer in Ireland: a health care payer perspective, The European Journal of Health Economics, 13, (4), 2012, p511 - 524 Journal Article, 2012

McArdle A, Larkin JO, Awan FN, McCormick PH, Mehigan BJ, Large-bowel obstruction secondary to urinary retention., Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland, 2011 Journal Article, 2011

Larkin JO, Awan FN, McArdle AC, McCormick PH, Mehigan BJ, Partial herniation through the peritoneal defect of a pfannenstiel incision: a rare complication of non-closure., Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du Canada : JOGC, 2011 Journal Article, 2011

Donohoe CL, Nguyen M, Cook J, Murray SG, Chen N, Zaki F, Mehigan BJ, McCormick PH, Reynolds JV, Fast-track protocols in colorectal surgery., The surgeon : journal of the Royal Colleges of Surgeons of Edinburgh and Ireland, 9, (2), 2011, p95-103 Journal Article, 2011 DOI

Healy LA, Ryan AM, Sutton E, Younger K, Mehigan B, Stephens R, Reynolds JV, Impact of obesity on surgical and oncological outcomes in the management of colorectal cancer., International journal of colorectal disease, 25, (11), 2010, p1293-9 Journal Article, 2010

Beddy D, DeBlacam C, Mehigan B, An unusual cause of an acute abdomen--a giant colonic diverticulum., Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract, 2010 Journal Article, 2010

Molloy D, Sayana MK, Keane J, Mehigan B., Anal fistula: an unusual presentation of tuberculosis in a migrant health care professional., Irish Journal of Medical Science, 2008, p1-3 Journal Article, 2008 DOI

Dermot T. McDowell, Fraser M. Smith, John V. Reynolds, Stephen G. Maher, C. Adida, P. Crotty, Eoin F. Gaffney, Donal Hollywood, B. Mehigan, R. B. Stephens, Michael J. Kennedy., Increased spontaneous apoptosis, but not survivin expression, is associated with histomorphologic response to neoadjuvant chemoradiation in rectal cancer., International Journal of Colorectal Disease, 24, (11), 2009, p1261 - 1269 Journal Article, 2009

Bresnihan M, Mehigan B, Curran A, An evaluation of Merocel and Series 5000 nasal packs in patients following nasal surgery: a prospective randomised trial., Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery, 2007 Journal Article, 2007

Leong S, Cahill RA, Mehigan BJ, Stephens RB, Considerations on the learning curve for laparoscopic colorectal surgery: a view from the bottom., International journal of colorectal disease, 2007 Journal Article, 2007

Mehigan BJ, Hartley JE, Drew PJ, Saleh A, Dore PC, Lee PW, Monson JR, Changes in T cell subsets, interleukin-6 and C-reactive protein after laparoscopic and open colorectal resection for malignancy., Surgical endoscopy, 2001 Journal Article, 2001

Lim CS, Mehigan BJ, Hartley JE, Monson JR, Neoadjuvant therapy in the treatment of high risk rectal carcinoma., Surgical oncology, 1999 Journal Article, 1999

Mehigan BJ, Kerin MJ, The HER-2/neu story: from oncogene through prognostic marker to therapeutic strategy determinant and monoclonal therapy., European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology, 1999 Journal Article, 1999

Mehigan BJ, Hartley JE, Monson JR, Laparoscopic colorectal resection for cancer: clearance, complications prevention., Surgical technology international, 1999 Journal Article, 1999

McCrone LF, Neary PM, Larkin J, McCormick P, Mehigan B, The surgical management of radiation proctopathy., International journal of colorectal disease, 2017 Journal Article, 2017

Anterior Resection in, editor(s)MacFayden B, Wexner S eds , Laparoscopic Surgery of the Abdomen, New York, Springer Verlag, 2004, [Mehigan BJ, Hartley JE, Monson JRT] Book Chapter, 2004



Reviewer British Journal of Surgery 2006

Co Author Irish Association of Coloproctology "Guidelines for the treatment of Rectal Cancer" 2015

Clinical Lead for Rectal Cancer Dublin Midlands Hospital Group/Trinity group. 2007

Awards and Honours

Arthur Bell Prize in Surgery, Dublin University 1995

Hudson Scholarship & Gold Medal, Adelaide Hospital 1995

David Gault Memorial Prize for Surgery, Adelaide Hospital 1995

Graves Senior Clinical Medal, Meath Hospital 1995

de Renzy Centenary Prize in Social Medicine, Dublin University 1994

President's Prize, Surgical Section Royal Academy of Medicine in Ireland 1996

Postrgraduate Travelling Scholarship in Surgery, University of Dublin TCD 1998-1999

Edward Hallaran Bennett Medal, University of Dublin TCD 1998

Sheppard Memorial Prize, University of Dublin, TCD 1998

RCSI / Ethicon Foundation Travel Grant. RCSI 1999

American Society of Gastrointestinal Endoscopy Travel Award, 2000

Royal Society of Medicine Section of Coloproctology Travelling Fellowship 2000

American Society of Colon & Rectal Surgeons Impact Paper Award. Stapling Procedure for haemorrhoids vs Milligan-Morgan heamorrhoidectomy: randomised controleld trial. Lancet 2000; 355:782 2001

Bennett Medal. St James's Hospital/TCD 2004

Postgraduate Travelling Scholarship in Surgery, University of Dublin/TCD 2005

Edward Hallaran Bennett Medal, University of Dublin/TCD 2005

Sheppard Memorial Prize, University of Dublin/TCD 2005


Fellow Royal College of Surgeons in Ireland 2004 – Current

Fellow Royal Australasian College of Surgeons 2009 – Current

Association of Coloproctology of Great Britain and Ireland 2004 – Current

Irish Association of Coloproctology 2006 – Current

Association of Surgeons of Great Britain and Ireland 2006 – 2010