Dr Martinez is a Cardiothoracic Anaesthetist and and Clinical Lead for Theatres. 

After graduation from medical school at the University of Cordoba in Argentina, Dr Martinez completed his specialist training in General Internal Medicine in Buenos Aires, before undertaking training in Anaesthesia and Intensive Care Medicine in Madrid. After completing a Fellowship in Cardiothoracic Anaesthesia at Papworth, He was appointed as a Consultant in 2011.

Dr Martinez' clinical interests include anaesthesia for minimally invasive thoracic surgery, heart and lung transplantation, and pulmonary thromboendarterectomy. He is also the Anaesthetic Lead for the Aorta Working Group.

Dr Martinez has a strong interest in peri-operative transoesophageal echocardiography, and he is a member of the Certification Board of Transoesophageal Echocardiography for the the European Association for Cardiovascular Imaging (EACVI).

  • Cardiothoracic Anaesthesia and Intensive Care
  • General Internal Medicine
Specialist Clinical Interests
  • Adult cardiothoracic anaesthesia and intensive care
  • Pulmonary hypertension
  • Intraoperative transoesophageal echocardiography (TOE)
  • Enhanced recovery programme for thoracic surgery and Non-intubated thoracic surgery
  • Anaesthesia for aortic surgery – spinal cord protection
Research Interests
  • Enhanced recovery for cardiac and thoracic surgery
  • Non-intubated thoracic anaesthesia
  • Opioid-free thoracic anaesthesia
Education and Training
  • Business Unit lead for Anaesthesia and Theatres [2016-2020]
  • Clinical lead for Aorta Working Group [2014-up-to-date)
  • Lead for Enhanced Recovery for thoracic anaesthesia [2011-2013]
  • Organiser - ACTA Spring Scientific Meeting 2013
  • Consultant in Cardiothoracic anaesthesia and Intensive Care, Royal Papworth Hospital, Cambridge. [2011-up to date]
  • Cardiothoracic Anaesthesia Fellow, Royal Papworth Hospital, Cambridge. [2009-11]
  • Specialist training in Anaesthesia and Intensive Care, Gregorio Maranon Hospital , Madrid. [2004-2008]
  • Specialist Training in General Medicine, San Isidro Hospital, Buenos Aires. [1999-2002]
  • Medical Degree 1999
Current membership(s) of professional, national and regional bodies and university posts

General Medical Council 7026248 (Specialist Register: 13/01/2009)
Royal College of Anaesthetist (RCoA)
Association of Cardiothoracic Anaesthetists (ACTA)
Society of Cardiovascular Anesthesiologists (SCA) 

Recent and Important Publications

Dr Martinez' publications are available at Google Scholar

Oxford Handbook of Anaesthesia, 5th Edition Chapter 7: Cardiovascular disease. Oxford University Press of Great Clarendon Street Oxford OX2 6DP. Edited by Freeman R, Herbert L, O’Donnel A and Ross N. 

Devine G, Cheng M, Martinez G, et al. Opioid-free anesthesia for lung cancer resection: A case-control study. J Cardiothorac Vasc Anesth 2020 [e-pub ahead of print]. doi:10.1053/j.jvca.2020.05.022.

Lashley S, Roscoe A, Aresu A, Martinez G et al. Novel enhanced recovery anaesthesia for thymectomy using an opioid free, non intubated anaesthetic technique. ERAS 19-1111. May 2019

Gimenez-Mila M, Geoorge S, Martinez G. Enhanced recovery programmes in thoracic surgery: how does the future look? The Royal Society of Medicine 2018

Shepherd, S, Klein, AA and Martinez, G. Enhanced recovery for thoracic surgery in the elderly. Current Opinion in Anesthesiology: February 2018 - Volume 31 - Issue 1 - p 30–38

Irons JF, Martinez G. Complex, high-risk thoracic surgery—does risk always outweigh the benefit or can we manage it safely?. Video-assist Thoracic Surg 2017; 2; 63.

Irons JF, Martinez G. Anaesthetic considerations for non-intubated thoracic surgery. J Vis Surg 2016;2:61

Patvardhan C, Martinez G. Anaesthetic considerations for pectus repair surgery. J Vis Surg 2016;2:76.

Giménez-Milà M, Klein AA, Martinez G. Design and implementation of an enhanced recovery program in thoracic surgery. J Thorac Dis. 2016 February; 8 (Suppl 1): S37–S45. doi: 10.3978/j.issn.2072-1439.2015.10.7

Miles, L. F., Giraud, K., Ferris, R., Klein, A. A., Martinez, G. C., Jenkins, D. P. and Saulankey K. Evaluation of a novel in-line point-of-care blood gas analyser. Anaesthesia 2016 Sep; 71: 1044-52.

Miles LF, Joshi KR, Ogilvie EH, Densem CG, Klein AA, O'Sullivan M, Martinez G, Sudarshan CD, Abu-Omar Y, Irons JF. General anaesthesia vs. conscious sedation for transfemoral aortic valveimplantation: a single UK centre before-and-after study. Anaesthesia. 2016 Aug; 71(8):892-900.doi: 10.1111/anae.13522. Epub 2016 Jun 29

Mahesh B, Besser M, Ravaglioli A, Pepke-Zaba J, Martinez G, Klein A, Ng C, Tsui S, Dunning J, Jenkins DP5. Pulmonary endarterectomy is effective and safe in patients with haemoglobinopathies and abnormal red blood cells: the Papworth experience. European Journal of Cardio-Thoracic Surgery(2016) 1–5

Pilkington S, Taboada-Buasso D and Martinez G. Pulmonary hypertension and its management in patients undergoing non-cardiac surgery. Anaesthesia. 2015 Jan;70(1):56-70. Review

Moore, J and Martinez G. Cardiopulmonary bypass. Anaesthesia and Intensive Care16:10. 2015

Bilal M. Ansari, MB BCh BAO, Maurice P. Hogan, MBBCh, Tim J. Collier, MSc, Robert A. Baddeley, BS, Marco Scarci, MD, Aman S. Coonar, MD, Fiona E. Bottrill, HNC, Guillermo C. Martinez, MD, and Andrew A. Klein, MB BS. A Randomized Controlled Trial of High-Flow Nasal Oxygen (Optiflow) as Part of an Enhanced Recovery Program After Lung Resection Surgery. Ann Thorac Surg 2015

Martinez G, Vuylsteke A. Extracorporeal membrane oxygenation in adults. BJA – Continuing Education in Anaesthesia, Critical Care & Pain. 2012:12; (2): 57-61

Martinez G. and Wheatbread J. Cardiopulmonar bypass. Anaesthesia and Intensive Care 13:10

Martinez G, Valchanov K. Infective endocarditis. BJA - Continuing Education in Anaesthesia, Critical Care & Pain.

Martinez G, Faber P. Obstructive sleep apnoea. BJA - Continuing Education in Anaesthesia, Critical Care & Pain 2011:11; (1): 5-8.

Mijovski G, Colah S, Sharples L, Wheaton E, Martinez G, Klein AA. The effect of oxygenator choice on hypotension during cardiopulmonary bypass. Perfusion 2011 May; 26(3): 223-7.

Martinez G. Clinical Anesthesia Procedures of the Massachusetts General Hospital Anaesthesia, 2011, 66, pages 327–330. Book Review

Garutti I, Martinez G, et al. The impact of lung recruitment on hemodynamics during one-lung ventilation. Cardiothorac Vasc Anesth. 2009 Aug;23(4):506-8. doi:10.1053/j.jvca.2008.12.023. Epub 2009 

Martínez G, Cruz P. [Atelectasis in general anesthesia and alveolar recruitment strategies]. Rev Esp Anestesiol Reanim 2008 Oct; 55(8): 493-503