Colin McMahon

Colin McMahon

Paediatric Cardiologist and Clinical Professor

Professor Colin McMahon is a board certified Paediatric Cardiologist with over 10 years’ experience as a consultant. He trained in London, Houston, and Boston before returning to Ireland in 2005. His core competencies include non-invasive imaging, echocardiography, MRI, foetal imaging, cardiomyopathy and transplant. He is a Clinical Professor in University College Dublin. He was awarded FRCPI, FRCPCH, FASE, FAAP, FACC and FAHA. He has authored over 10 chapters, and 100 peer reviewed publications including articles in Circulation, JACC, Journal of Heart Lung Transplant and the American Journal of Cardiology. He is a passionate teacher and has won teaching awards. From a research standpoint his interests include application of 3D printing to congenital heart disease, non-invasive imaging assessment of cardiomyopathy, antiplatelet function in congenital heart defects, and clinical research in congenital heart disease. His main passion is encouraging academic development of trainees and being an effective mentor and coach.

Colin McMahon

Paediatric Cardiologist and Clinical Professor

Shane McHugo
Position: PhD Student

Shane’s primary area of interest is the application of 3D printing to children with congenital heart defects, and the development of bespoke phantoms in patients with univentricular circulation.

Irene Regan
Position: Clinical Research Fellow

Irene is the Chief Medical Scientist in the coagulation department in Our Lady’s Hospital for Sick Children, Crumlin. Irene is interested in studying antiplatelet function in children with different forms of congenital heart disease.

Application of 3D printing to congenital heart disease in univentricular circulation

Dr McMahon is working on this project with Shane McHugo, Liam Morris, and Lars Nolke

Antiplatelet efficacy of aspirin in children with congenital heart disease

Dr McMahon is working on this project with Irene Regan, Lars Nolke and Beatrice Nolan

Development of transcatheter treatment for tetralogy of Fallot

Dr McMahon is working on this project with Kevin Walsh, Damien Kenny, Eoin O’Cearbhaill

The list of publications below is automatically derived from MEDLINE/PubMed. As a result, there may be incorrect or missing publications.

Breatnach CR, Nolke L, McMahon CJ, 2019 Jun 4, Retroaortic innominate vein in a patient with transposition of the great arteries: the surgical implications. Cardiol Young, DOI: 10.1017/S1047951119000763
Breatnach CR, Aggarwal V, Al-Alawi K, McMahon CJ, Franklin O, Prendiville T, Oslizlok P, Walsh K, Qureshi AM, Kenny D, 2019 Jun 1, Percutaneous axillary artery approach for ductal stenting in critical right ventricular outflow tract lesions in the neonatal period. Catheter Cardiovasc Interv, DOI: 10.1002/ccd.28302
Vigano G, McMahon CJ, Walsh K, Oslizlok P, Franklin O, Nolke L, Redmond JM, Byrne J, McGuinness JG, 2019 Apr 1, High-risk Fontan completion patients achieve low perioperative risk and benefit from cavopulmonary connection 7 years out†. Eur J Cardiothorac Surg, DOI: 10.1093/ejcts/ezz069
Duignan S, Ryan A, Burns B, Kenny D, McMahon CJ, 2018 Oct, Complex Decision Making in the Pediatric Catheterization Laboratory: Catheterizer, Know Thyself and the Data. Pediatr Cardiol, DOI: 10.1007/s00246-018-1949-x
Shine AM, Finn DG, Allen N, McMahon CJ, 2019 Feb, Correction to: Transition from tube feeding to oral feeding: experience in a tertiary care paediatric cardiology unit. Ir J Med Sci, DOI: 10.1007/s11845-018-1841-y
Jones JP, Ramcharan T, Chaudhari M, Bhole V, Mcleod K, Sadagopan S, Uzun O, Parry A, Till J, McMahon CJ, Stuart AG, Walsh MA, 2018 Oct, Ventricular fibromas in children, arrhythmia risk, and outcomes: A multicenter study. Heart Rhythm, DOI: 10.1016/j.hrthm.2018.06.018
Smyth AE, Kaleviste E, Snow A, Kisand K, McMahon CJ, Cant AJ, Leahy TR, 2018 May, Aortic Calcification in a Patient with a Gain-of-Function STAT1 Mutation. J Clin Immunol, DOI: 10.1007/s10875-018-0513-z
Duignan S, Ryan A, O'Keeffe D, Kenny D, McMahon CJ, 2018 Oct, Prospective Analysis of Decision Making During Joint Cardiology Cardiothoracic Conference in Treatment of 107 Consecutive Children with Congenital Heart Disease. Pediatr Cardiol, DOI: 10.1007/s00246-018-1899-3
Shine AM, Finn DG, Allen N, McMahon CJ, 2019 Feb, Transition from tube feeding to oral feeding: experience in a tertiary care paediatric cardiology unit. Ir J Med Sci, DOI: 10.1007/s11845-018-1812-3
Morrison ML, McMahon C, Tully R, Enright N, Pignatelli R, Towbin JA, McMahon CJ, 2018 May, Prevalence of left ventricular hypertrabeculation/noncompaction among children with sickle cell disease. Congenit Heart Dis, DOI: 10.1111/chd.12592
Finn D, Walsh K, Roberson D, McMahon CJ, 2018 Feb, Myocardial Fistulisation and Coronary Arterial Ectasia in Children with Univentricular Circulation: An Under-Recognised Problem. Pediatr Cardiol, DOI: 10.1007/s00246-017-1749-8
Ryan A, Duignan S, Kenny D, McMahon CJ, 2018 Jan, Decision Making in Paediatric Cardiology. Are We Prone to Heuristics, Biases and Traps? Pediatr Cardiol, DOI: 10.1007/s00246-017-1742-2
Breatnach CR, Cleary A, Prendiville T, Crumlish K, Murchan H, McMahon CJ, 2018 Jan, Prevalence of Subclinical Enteric Alpha-1-Antitrypsin Loss in Children with Univentricular Circulation Following Total Cavopulmonary Connection. Pediatr Cardiol, DOI: 10.1007/s00246-017-1720-8
Kindel SJ, Hsu HH, Hussain T, Johnson JN, McMahon CJ, Kutty S, 2017 Sep, Multimodality Noninvasive Imaging in the Monitoring of Pediatric Heart Transplantation. J Am Soc Echocardiogr, DOI: 10.1016/j.echo.2017.06.003
Glackin S, Mayne P, Kenny D, McMahon CJ, Cody D, 2017 Mar 10, Dilated cardiomyopathy secondary to vitamin D deficiency and hypocalcaemia in the Irish paediatric population: A case report. Ir Med J, DOI: 10.1016/j.echo.2017.06.003
Johnston NF, Prendiville T, McMahon CJ, 2018 Feb, 3D printing of severe hypertrophic cardiomyopathy in a child with Rasopathy. Ir J Med Sci, DOI: 10.1007/s11845-017-1646-4
McGovern E, Kelleher E, Snow A, Walsh K, Gadallah B, Kutty S, Redmond JM, McMahon CJ, 2017 Sep, Clinical application of three-dimensional printing to the management of complex univentricular hearts with abnormal systemic or pulmonary venous drainage. Cardiol Young, DOI: 10.1017/S104795111600281X
McGovern E, Kelleher E, Potts JE, O'Brien J, Walsh K, Nolke L, McMahon CJ, 2016, Predictors of poor outcome among children with heterotaxy syndrome: a retrospective review. Open Heart, DOI: 10.1136/openhrt-2015-000328
Johnston N, Coleman D, McMahon CJ, 2017 Mar, Extensive coronary and systemic arterial aneurysm development in severe refractory Kawasaki disease. Cardiol Young, DOI: 10.1017/S1047951116001967
Johnston N, Snow A, McMahon CJ, 2016 Jul 8, Unexpected coronary arterial calcification and thrombosis late after Kawasaki disease. BMJ Case Rep, DOI: 10.1136/bcr-2016-216451
McGovern E, Morgan CT, Oslizlok P, Kenny D, Walsh KP, McMahon CJ, 2016 Oct, Transcatheter stenting of the right ventricular outflow tract augments pulmonary arterial growth in symptomatic infants with right ventricular outflow tract obstruction and hypercyanotic spells. Cardiol Young, DOI: 10.1017/S1047951115002231
McGovern E, McNally P, O'Sullivan M, Phelan E, Sumner K, Best DH, McMahon CJ, 2016 Apr, Infantile pulmonary capillary haemangiomatosis: a lethal form of pulmonary hypertension. Cardiol Young, DOI: 10.1017/S1047951115001006
Dhar R, Reardon W, McMahon CJ, 2015 Jun, Response to commentary: biventricular non-compaction hypertrophic cardiomyopathy in association with congenital complete heart block and type I mitochondrial complex deficiency. Cardiol Young, DOI: 10.1017/S1047951115000323
McMahon CJ, Breathnach C, Betts DR, Sharkey FH, Greally MT, 2015 May, De Novo interstitial deletion 13q33.3q34 in a male patient with double outlet right ventricle, microcephaly, dysmorphic craniofacial findings, and motor and developmental delay. Am J Med Genet A, DOI: 10.1002/ajmg.a.36978
Simmonds J, Murchan H, James A, Crispino G, O'Brien J, Crumlish K, Franklin O, Fenton M, Burch M, McMahon CJ, 2015 Jun, Outcome of shared care for pediatric cardiac transplantation between two nations with different health care systems. J Heart Lung Transplant, DOI: 10.1016/j.healun.2014.12.010
Mone F, Walsh C, Mulcahy C, McMahon CJ, Farrell S, MacTiernan A, Segurado R, Mahony R, Higgins S, Carroll S, McParland P, McAuliffe FM, 2015 Jun, Prenatal detection of structural cardiac defects and presence of associated anomalies: a retrospective observational study of 1262 fetal echocardiograms. Prenat Diagn, DOI: 10.1002/pd.4575
McGovern E, Ryan E, McMahon CJ, 2016 Jan, An infant with out-of-hospital cardiac arrest secondary to enteroviral myocarditis surviving up to cardiac transplantation. Cardiol Young, DOI: 10.1017/S1047951114002595
McCrossan BA, McMahon CJ, Walsh KP, 2016 Feb 1, First reported use of drug-eluting bioabsorbable vascular scaffold in congenital heart disease. Catheter Cardiovasc Interv, DOI: 10.1002/ccd.25768
Breathnach C, Pears J, Franklin O, Webb D, McMahon CJ, 2014 Oct, Rapid regression of left ventricular outflow tract rhabdomyoma after sirolimus therapy. Pediatrics, DOI: 10.1542/peds.2013-3293
McMahon CJ, Nolke L, 2014 Aug, Successful palliation of a child with left ventricular noncompaction cardiomyopathy and tricuspid atresia to Fontan procedure. Ann Thorac Surg, DOI: 10.1016/j.athoracsur.2013.09.110
Dhar R, Reardon W, McMahon CJ, 2015 Jun, Biventricular non-compaction hypertrophic cardiomyopathy in association with congenital complete heart block and type I mitochondrial complex deficiency. Cardiol Young, DOI: 10.1017/S1047951114001279
Walsh CA, MacTiernan A, Farrell S, Mulcahy C, McMahon CJ, Franklin O, Coleman D, Mahony R, Higgins S, Carroll S, McParland P, McAuliffe FM, 2014 Dec, Mode of delivery in pregnancies complicated by major fetal congenital heart disease: a retrospective cohort study. J Perinatol, DOI: 10.1038/jp.2014.104
Cleary A, Watson R, McMahon CJ, 2014 Sep, Successful treatment of refractory cutaneous warts using topical 3% cidofovir in a child after heart transplant. J Heart Lung Transplant, DOI: 10.1016/j.healun.2014.02.012
Kelleher EM, Nolke L, McMahon CJ, 2015 Mar, Successful slide tracheoplasty and partial atrioventricular septal defect repair following extracorporeal membrane oxygenation support. Cardiol Young, DOI: 10.1017/S1047951114000468
Kelleher E, McMahon C, McMahon CJ, 2015 Feb, A case of parvovirus B19-induced pure red cell aplasia in a child following heart transplant. Cardiol Young, DOI: 10.1017/S1047951114000225
McMahon CJ, Morgan CT, Greally MT, 2015 Jan, Chromosome 22q11.21 microduplication in association with hypoplastic left heart syndrome with hypoplastic pulmonary arteries. Cardiol Young, DOI: 10.1017/S104795111300231X
McMahon CJ, Coleman D, Oslizlok P, 2014 Nov 1, Extensive coronary arterial fistula development in patients with univentricular circulation. Catheter Cardiovasc Interv, DOI: 10.1002/ccd.25322
McMahon CJ, Morgan CT, Walsh KP, 2014 Jan 1, Transcatheter left ventricular outflow tract stent placement in a low birth weight child with hypoplastic left ventricle, mitral atresia, transposition of the great arteries, ventricular septal defect and severe pulmonary stenosis. Catheter Cardiovasc Interv, DOI: 10.1002/ccd.25119
McMahon CJ, Prendiville T, Nolke L, 2014 Feb, Pre-operative identification of an anomalous left coronary artery from the pulmonary artery in association with tetralogy of Fallot and an aortopulmonary window. Cardiol Young, DOI: 10.1017/S1047951113000255
McMahon CJ, Lambert I, Walsh KP, 2013 Oct 1, Transcatheter double stent implantation for treatment of middle aortic coarctation syndrome. Catheter Cardiovasc Interv, DOI: 10.1002/ccd.24857
McMahon CJ, Walsh KP, 2013 Dec 1, Transcatheter right ventricular outflow tract stent implantation in a child with pentalogy of Cantrell, double outlet right ventricle, and severe pulmonary stenosis. Catheter Cardiovasc Interv, DOI: 10.1002/ccd.24852
Shahdadpuri R, Prendiville T, Nölke L, McMahon CJ, 2009 Feb, Berry syndrome in association with familial limb malformation. Ir Med J, DOI: 10.1002/ccd.24852
O'Gorman CS, Tortoriello TA, McMahon CJ, 2009 May, Outcome of children with Pentalogy of Cantrell following cardiac surgery. Pediatr Cardiol, DOI: 10.1007/s00246-009-9410-9
Ganame J, Pignatelli RH, Eidem BW, Claus P, D'hooge J, McMahon CJ, Buyse G, Towbin JA, Ayres NA, Mertens L, 2008 Nov, Myocardial deformation abnormalities in pediatric hypertrophic cardiomyopathy: are all etiologies identical? Eur J Echocardiogr, DOI: 10.1093/ejechocard/jen150
Shahdadpuri R, Lynch SA, Murchan H, McMahon CJ, 2008 Jul, A novel constellation of cardiac findings for Kabuki syndrome: hypoplastic left heart syndrome and partial anomalous pulmonary venous drainage. Pediatr Cardiol, DOI: 10.1007/s00246-008-9197-0
Ganame J, Mertens L, Eidem BW, Claus P, D'hooge J, Havemann LM, McMahon CJ, Elayda MA, Vaughn WK, Towbin JA, Ayres NA, Pignatelli RH, 2007 Dec, Regional myocardial deformation in children with hypertrophic cardiomyopathy: morphological and clinical correlations. Eur Heart J, DOI: 10.1093/eurheartj/ehm444
Geva A, McMahon CJ, Gauvreau K, Mohammed L, del Nido PJ, Geva T, 2007 Oct 9, Risk factors for reoperation after repair of discrete subaortic stenosis in children. J Am Coll Cardiol, DOI: 10.1016/j.jacc.2007.07.013
Jefferies JL, Price JF, Denfield SW, Chang AC, Dreyer WJ, McMahon CJ, Grenier MA, Clunie SK, Thomas A, Moffett BS, Wann TS, Smith EO, Towbin JA, 2007 Sep, Safety and efficacy of nesiritide in pediatric heart failure. J Card Fail, DOI: 10.1016/j.cardfail.2007.04.005
McMahon CJ, Murchan H, Prendiville T, Burch M, 2007 Sep-Oct, Parvovirus B19 infection associated with dilated cardiomyopathy in patients with previous anthracycline exposure. Pediatr Cardiol, DOI: 10.1007/s00246-006-0147-4
McMahon CJ, Moniotte S, Powell AJ, del Nido PJ, Geva T, 2007 Jul 15, Usefulness of magnetic resonance imaging evaluation of congenital left ventricular aneurysms. Am J Cardiol, DOI: 10.1016/j.amjcard.2007.02.094
McMahon CJ, Murchan H, Prendiville T, Burch M, 2007 Jul-Aug, Long-term support with milrinone prior to cardiac transplantation in a neonate with left ventricular noncompaction cardiomyopathy. Pediatr Cardiol, DOI: 10.1007/s00246-007-0020-0
McMahon CJ, Taylor MD, Cassady CI, Olutoye OO, Bezold LI, 2007 May-Jun, Diagnosis of pentalogy of cantrell in the fetus using magnetic resonance imaging and ultrasound. Pediatr Cardiol, DOI: 10.1007/s00246-006-0032-1
McMahon CJ, Oslizlok P, Walsh KP, 2007 Apr 1, Early restenosis following biodegradable stent implantation in an aortopulmonary collateral of a patient with pulmonary atresia and hypoplastic pulmonary arteries. Catheter Cardiovasc Interv, DOI: 10.1002/ccd.21091
McMahon CJ, Pignatelli RH, Nagueh SF, Lee VV, Vaughn W, Valdes SO, Kovalchin JP, Jefferies JL, Dreyer WJ, Denfield SW, Clunie S, Towbin JA, Eidem BW, 2007 Jun, Left ventricular non-compaction cardiomyopathy in children: characterisation of clinical status using tissue Doppler-derived indices of left ventricular diastolic relaxation. Heart, DOI: 10.1136/hrt.2006.093880
Iroh Tam PY, Butler K, McMahon CJ, 2006 Dec, Incidental detection of parvovirus myocarditis at time of resection of discrete subaortic stenosis. Cardiol Young, DOI: 10.1017/S1047951106001004
Beamish J, O'Connell MJ, El Khuffash A, Duff DF, McMahon CJ, 2006 Nov, Calcified occlusion of the right coronary artery in Kawasaki disease: evidence of myocardial ischaemia using cardiac technetium-99m-tetrofosmin perfusion single-photon emission computed tomography. Arch Dis Child, DOI: 10.1136/adc.2006.099630
McMahon CJ, McDermott M, Walsh KP, 2006 Nov, Failure of cutting balloon angioplasty to prevent restenosis in childhood pulmonary venous stenosis. Catheter Cardiovasc Interv, DOI: 10.1002/ccd.20792
Jefferies JL, Denfield SW, Price JF, Dreyer WJ, McMahon CJ, Grenier MA, Kim JJ, Dimas VV, Clunie SK, Moffett BS, Chang AC, Wann TI, Smith EO, Towbin JA, 2006 Jul-Aug, A prospective evaluation of nesiritide in the treatment of pediatric heart failure. Pediatr Cardiol, DOI: 10.1007/s00246-005-1294-8
Al-Mudaffer M, Brenner C, McDermott M, White M, Wood AE, McMahon CJ, 2006 Jul, Successful surgical resection of intrapericardial extralobar pulmonary sequestration with congenital pulmonary adenomatoid malformation type II. Ann Thorac Surg, DOI: 10.1016/j.athoracsur.2005.08.076
Havemann L, McMahon CJ, Ganame J, Price J, Fraser CD, Eidem BW, Pignatelli RH, 2006 Mar, Rapid ventricular remodeling with left ventricular unloading postventricular assist device placement: new insights with strain imaging. J Am Soc Echocardiogr, DOI: 10.1016/j.echo.2005.11.010
McMahon CJ, Reardon W, 2006 Feb, The spectrum of congenital cardiac malformations encountered in six children with Kabuki syndrome. Cardiol Young, DOI: 10.1017/S1047951105002052
McMahon CJ, Spencer R, 2006 Jan-Feb, Congenital heart defects in conjoined twins: outcome after surgical separation of thoracopagus. Pediatr Cardiol, DOI: 10.1007/s00246-005-0835-5
McMahon CJ, Ayres NA, Bezold LI, Lewin MB, Alonzo M, Altman CA, Kovalchin JP, Eidem BW, Pignatelli RH, 2005 Jul-Aug, Safety and efficacy of intravenous contrast imaging in pediatric echocardiography. Pediatr Cardiol, DOI: 10.1007/s00246-004-0795-1
McMahon CJ, Su JT, Taylor MD, Krishnamurthy R, Muthupillai R, Kovalchin JP, Chung T, Vick GW 3rd, 2005 Nov 8, Images in cardiovascular medicine. Detection of active coronary arterial vasculitis using magnetic resonance imaging in Kawasaki disease. Circulation, DOI: 10.1161.CIRCULATIONAHA.104.526731
Yang Z, McMahon CJ, Smith LR, Bersola J, Adesina AM, Breinholt JP, Kearney DL, Dreyer WJ, Denfield SW, Price JF, Grenier M, Kertesz NJ, Clunie SK, Fernbach SD, Southern JF, Berger S, Towbin JA, Bowles KR, Bowles NE, 2005 Sep 13, Danon disease as an underrecognized cause of hypertrophic cardiomyopathy in children. Circulation, DOI: 10.1161/CIRCULATIONAHA.105.546481
Slesnick TC, Ayres NA, Altman CA, Bezold LI, Eidem BW, Fraley JK, Kung GC, McMahon CJ, Pignatelli RH, Kovalchin JP, 2005 Aug 15, Characteristics and outcomes of fetuses with pericardial effusions. Am J Cardiol, DOI: 10.1016/j.amjcard.2005.04.027
Eidem BW, McMahon CJ, Ayres NA, Kovalchin JP, Denfield SW, Altman CA, Bezold LI, Pignatelli RH, 2005 Aug, Impact of chronic left ventricular preload and afterload on Doppler tissue imaging velocities: a study in congenital heart disease. J Am Soc Echocardiogr, DOI: 10.1016/j.echo.2004.09.011
McMahon CJ, Penny DJ, Nelson DP, Ades AM, Al Maskary S, Speer M, Katkin J, McKenzie ED, Fraser CD Jr, Chang AC, 2005 Aug, Preterm infants with congenital heart disease and bronchopulmonary dysplasia: postoperative course and outcome after cardiac surgery. Pediatrics, DOI: 10.1542/peds.2004-2168
McMahon CJ, Taylor MD, Vick GW 3rd, 2005 Jun, Delineation of unilateral pulmonary hypertensive arteriopathy in a patient with Potts shunt using magnetic resonance imaging. Cardiol Young, DOI: 10.1017/S1047951105000612
Vatta M, Chang AC, McMahon CJ, 2005 Feb, Altered expression of dystrophin within the thoracic aorta in coarctation. Cardiol Young, DOI: 10.1017/S1047951105000144
El Said HG, McMahon CJ, Mullins CE, Pignatelli RH, Grifka RG, Nihill MR, Vincent JA, 2005 Jan-Feb, Patent foramen ovale morphology and impact on percutaneous device closure. Pediatr Cardiol, DOI: 10.1007/s00246-004-0686-5
McMahon CJ, Kertesz NJ, Vick GW, 2002 Oct, Delineation of persistent fifth aortic arch using magnetic resonance angiography. Cardiol Young, DOI: 10.1007/s00246-004-0686-5
McMahon CJ, El Said HG, Vincent JA, Grifka RG, Nihill MR, Ing FF, Fraley JK, Mullins CE, 2002 Oct, Refinements in the implantation of pulmonary arterial stents: impact on morbidity and mortality of the procedure over the last two decades. Cardiol Young, DOI: 10.1007/s00246-004-0686-5
McMahon CJ, Chang AC, Pignatelli RH, Miller-Hance WC, Eble BK, Towbin JA, Denfield SW, 2005 Jul-Aug, Left ventricular noncompaction cardiomyopathy in association with trisomy 13. Pediatr Cardiol, DOI: 10.1007/s00246-004-0788-0
McMahon CJ, Vatta M, Fraser CD Jr, Towbin JA, Chang AC, 2004 Dec, Altered dystrophin expression in the right atrium of a patient after Fontan procedure with atrial flutter. Heart, DOI: 10.1136/hrt.2004.044370
McMahon CJ, Gauvreau K, Edwards JC, Geva T, 2004 Aug 15, Risk factors for aortic valve dysfunction in children with discrete subvalvar aortic stenosis. Am J Cardiol, DOI: 10.1016/j.amjcard.2004.05.005
McMahon CJ, Nagueh SF, Eapen RS, Dreyer WJ, Finkelshtyn I, Cao X, Eidem BW, Bezold LI, Denfield SW, Towbin JA, Pignatelli RH, 2004 Aug, Echocardiographic predictors of adverse clinical events in children with dilated cardiomyopathy: a prospective clinical study. Heart, DOI: 10.1136/hrt.2003.020966
Price JF, Towbin JA, Denfield SW, Clunie S, Smith EO, McMahon CJ, Radovancevic B, Dreyer WJ, 2004 Jun 1, Arginine vasopressin levels are elevated and correlate with functional status in infants and children with congestive heart failure. Circulation, DOI: 10.1161/01.CIR.0000129764.84596.EB
McMahon CJ, Nagueh SF, Pignatelli RH, Denfield SW, Dreyer WJ, Price JF, Clunie S, Bezold LI, Hays AL, Towbin JA, Eidem BW, 2004 Apr 13, Characterization of left ventricular diastolic function by tissue Doppler imaging and clinical status in children with hypertrophic cardiomyopathy. Circulation, DOI: 10.1161/01.CIR.0000124723.16433.31
Eidem BW, McMahon CJ, Cohen RR, Wu J, Finkelshteyn I, Kovalchin JP, Ayres NA, Bezold LI, O'Brian Smith E, Pignatelli RH, 2004 Mar, Impact of cardiac growth on Doppler tissue imaging velocities: a study in healthy children. J Am Soc Echocardiogr, DOI: 10.1016/j.echo.2003.12.005
McMahon CJ, Ravekes WJ, Smith EO, Denfield SW, Pignatelli RH, Altman CA, Ayres NA, 2004 Jul-Aug, Risk factors for neo-aortic root enlargement and aortic regurgitation following arterial switch operation. Pediatr Cardiol, DOI: 10.1007/s00246-003-0483-6
Pignatelli RH, McMahon CJ, Dreyer WJ, Denfield SW, Price J, Belmont JW, Craigen WJ, Wu J, El Said H, Bezold LI, Clunie S, Fernbach S, Bowles NE, Towbin JA, 2003 Nov 25, Clinical characterization of left ventricular noncompaction in children: a relatively common form of cardiomyopathy. Circulation, DOI: 10.1161/01.CIR.0000100664.10777.B8
Pignatelli RH, McMahon CJ, Chung T, Vick GW 3rd, 2003 Sep, Role of echocardiography versus MRI for the diagnosis of congenital heart disease. Curr Opin Cardiol, DOI: 10.1161/01.CIR.0000100664.10777.B8
McMahon CJ, Laird WP, Fenrich AL, 2003 Jun, Amiodarone-induced 2 to 1 atrioventricular block in association with prolongation of the QT interval. Cardiol Young, DOI: 10.1161/01.CIR.0000100664.10777.B8
McMahon CJ, Ayres N, Pignatelli RH, Franklin W, Vargo TA, Bricker JT, El-Said HG, 2003 Apr, Echocardiographic presentations of endocarditis, and risk factors for rupture of a sinus of Valsalva in childhood. Cardiol Young, DOI: 10.1161/01.CIR.0000100664.10777.B8
McMahon CJ, Price JF, Salerno JC, El-Said H, Taylor M, Vargo TA, Nihill MR, 2003 Apr, Cardiac catheterisation in infants weighing less than 2500 grams. Cardiol Young, DOI: 10.1161/01.CIR.0000100664.10777.B8
McMahon CJ, Nihill MR, Denfield S, 2003 Jan-Feb, Neoaortic root dilation associated with left coronary artery stenosis following arterial switch procedure. Pediatr Cardiol, DOI: 10.1007/s00246-002-1297-7
McMahon CJ, Said HG, Clapp SK, 2003 Jan-Feb, Interrupted aortic arch type B in trisomy 21: repair with carotid artery interposition. Pediatr Cardiol, DOI: 10.1007/s00246-002-1198-9
McMahon CJ, Mullins CE, El Said HG, 2003 Feb, Intrastent sonotherapy in pulmonary vein restenosis: a new treatment for a recalcitrant problem. Heart, DOI: 10.1136/heart.89.2.e6
McMahon CJ, Vick GW, Nihill MR, 2002 May, Contiguous but non-fused ventricles in conjoined thoracopagus twins. Cardiol Young, DOI: 10.1136/heart.89.2.e6
McMahon CJ, el Said HG, Feltes TF, Watrin CH, Hess BA, Fraser CD Jr, 2002 May, Preoperative identification of coronary arterial anatomy in complete transposition, and outcome after the arterial switch operation. Cardiol Young, DOI: 10.1136/heart.89.2.e6
McMahon CJ, DiBardino DJ, Undar A, Fraser CD Jr, 2002 Sep, Anomalous origin of left coronary artery from the right pulmonary artery in association with type III aortopulmonary window and interrupted aortic arch. Ann Thorac Surg, DOI: 10.1136/heart.89.2.e6
McMahon CJ, El Said HG, Mullins CE, 2002 Aug, Use of the transseptal puncture in transcatheter closure of long tunnel-type patent foramen ovale. Heart, DOI: 10.1136/heart.88.2.e3
McMahon CJ, el-Said HG, Mullins CE, 2002 Mar, Transcatheter creation of an atriopulmonary communication in the Hemi-Fontan or Glenn circulation. Cardiol Young, DOI: 10.1136/heart.88.2.e3
McMahon CJ, Feltes TF, Fraley JK, Bricker JT, Grifka RG, Tortoriello TA, Blake R, Bezold LI, 2002 Mar, Natural history of growth of secundum atrial septal defects and implications for transcatheter closure. Heart, DOI: 10.1136/heart.87.3.256
McMahon CJ, Ayres NA, Lewin MB, 2001 Nov, Cardiac rhabdomyoma: a report of alternative strategies to surgical resection. Cardiol Young, DOI: 10.1136/heart.87.3.256
McMahon CJ, Fraley JK, Kovalchin JP, 2001 Sep, Use of tissue harmonic imaging in pediatric echocardiography. Cardiol Young, DOI: 10.1136/heart.87.3.256
McMahon CJ, Alromani A, Nihill MR, 2001 Jul, Balloon angioplasty of critical coarctation in a 970-gram premature infant. Cardiol Young, DOI: 10.1136/heart.87.3.256
McMahon CJ, El-Said HG, Grifka RG, Fraley JK, Nihill MR, Mullins CE, 2001 Aug, Redilation of endovascular stents in congenital heart disease: factors implicated in the development of restenosis and neointimal proliferation. J Am Coll Cardiol, DOI: 10.1136/heart.87.3.256

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Name:Dr Liam Morris
Name:Shane McHugo
Name:Irene Regan
DepartmentCoagulation Department
Name:Dr Eoin O’Cearbhaill
DepartmentSchool of Mechanical & Materials Engineering

Professional Associations

  • Fellow Royal College Physicians Ireland (FRCPI)
  • Fellow Faculty Paediatrics (FFPaeds)
  • Fellow Royal College Physicians Child Health UK (FRCPCH)
  • Fellow American Society Echocardiography (FASE)
  • Fellow American Academy Pediatrics (FAAP)
  • Fellow American Heart Association (FAHA)
  • Fellow American College Cardiology (FACC)


  • AEPC Association European Pediatric Cardiology
  • BCCA British Congenital Cardiology Association
  • ACC American College Cardiology
  • AHA American Heart Association