Mr Nima Abbassi-Ghadi  BMBS, BMedSci, PhD, FRCS Consultant Laparoscopic / Robotic Gastro-intestinal Surgeon 

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Mr Abbassi-Ghadi is a Consultant Laparoscopic/Robotic Gastrointestinal Surgeon based in Guildford. He specialises in the treatment of heartburn, gallstones, hernias, and upper gastro-intestinal cancer. His other surgical interests include diagnostic and therapeutic endoscopy, diaphragmatic/hiatal hernia surgery, functional oesophageal disorders and revisional upper-gastrointestinal surgery. 
After achieving his medical degree at The University of Nottingham, he went on to finish his specialist training in London where he developed extensive experience in advanced operating techniques and minimal access surgery. During his training he was awarded The ALSGBI Braun Aesculap Fellowship, which took him to the National Cancer Centre in Seoul, Korea. 
Having grown up in Guildford, he is proud to be offering his expertise back to the local community. His primary focuses are providing a personalised treatment that is holistic and supported by clinical evidence. 


Mr Abbassi-Ghadi was awarded a PhD from Imperial College London for his research into oesophageal cancer and has published in leading journals such as Cancer Research, Cancer Discovery, and Advanced Materials. He is a Senior Clinical Lecturer at the University of Surrey and a co-supervisor of a PhD project funded by the Medical Research Council, The Royal College of Surgeons and The Mason Medical Research Foundation, investigating the effects of oncolytic viruses and immunotherapy on oesophageal cancer. 
Other Research interests include: Mass Spectrometry Imaging and Lipidomics, theragnostic applications of nanotechnology and fluorophores, anti-reflux surgery for chronic lung disease, and oesophago-gastric cancer lymph node metastases. 
He is an academic reviewer for the British Journal of Surgery; Diseases of the Esophagus; The Royal Society of Chemistry; The Journal of Heart and Lung Transplantation, European Journal of Surgical Oncology and World Journal of Surgery. 


Abbassi-Ghadi N, Antonowicz SS, McKenzie JS, Kumar S, Huang J, Jones EA, Strittmatter N, Petts G, Kudo H, Court S, Hoare JM, Veselkov K, Goldin R, Takáts Z, Hanna GB. De novo lipogenesis alters the phospholipidome of esophageal adenocarcinoma. Cancer Res. 2020. [Epub ahead of print] 
Glasbey JC , Bhangu A , COVIDSurg Collaborative. Elective Cancer Surgery in COVID-19-Free Surgical Pathways During the SARS-CoV-2 Pandemic: An International, Multicenter, Comparative Cohort Study. J Clin Oncol. 2020. JCO2001933. doi: 10.1200/JCO.20.01933. [Epub ahead of print] 
Abbassi-Ghadi N, Durakovic S, Piessen G, Gatenby P, Singh S, Sultan J, Preston S. Laparoscopic versus open gastrectomy for adenocarcinoma of the stomach: peri-operative and five-year oncological outcomes. Surgical Endoscopy. 2019. PMID: 31591656 [Epub ahead of print] 
Davidson JR, Kumar S, Franklin D, Eaton S, Curry J, De Coppi P, Mohammadi B, Dawas K, Abbassi-Ghadi N. Respiratory function tests defining the success of fundoplication allograft pulmonary function after lung transplant: A systematic review and meta-analysis. J Thorac Cardiovasc Surg. [Epub ahead of print] 
Abbassi-Ghadi N, Golf O, Kumar S, Antonowicz S, McKenzie JS, Huang J, Strittmatter N, Kudo H, Jones EA, Veselkov KA, Goldin R, Takats Z, Hanna GB. Desorption electrospray ionization mass spectrometry imaging of esophageal lymph node metastases. Cancer Res. 2016; 76(19):5647-5656. PMID: 27364550 
Chiappini C, Campagnolo P, Almeida CS, Abbassi-Ghadi N, Chow LW, Hanna GB, Stevens MM. Mapping Local Cytosolic Enzymatic Activity in Human Esophageal Mucosa with Porous Silicon Nanoneedles. Adv Mater. 2015; 27(35): 5147-52. PMID: 26197973. 
Murugaesu N, Wilson GA, Birkbak NJ, Watkins T, McGranahan N, Kumar S, Abbassi-Ghadi N, Salm M, Mitter R, Horswell S, Rowan A, Phillimore B, Biggs J, Begum S, Matthews N, Hochhauser D, Hanna GB, Swanton C. Tracking the genomic evolution of esophageal adenocarcinoma through neoadjuvant chemotherapy. Cancer Discov. 2015; 5(8): 5821-31. PMID: 26003801. 
Balog J, Kumar S, Golf O, Huang J, Wiggins T, Abbassi-Ghadi N, Enyedi A, Kacska S, Kinross J, Hanna GB, Taktas Z. In-vivo Endoscopic Tissue Identification Tool Utilising REIMS: the iEndoscope. Angew Chem Int Ed Engl. 2015; 54(38): 11059-62. PMID: 26248566. 
Patel K, Abbassi-Ghadi N, Markar S, Kumar S, Jethwa P, Zaninotto G. Peroral endoscopic myotomy for the treatment of esophageal achalasia: systematic review and pooled analysis. Dis Esophagus. 2016; 29(7): 807-819. PMID: 26197973. 
Kasivisvanathan R, Abbassi-Ghadi N, McLeod AD, Oliver A, Rao Baikady R, Jhanji S, Cone S, Wigmore T. Cardiopulmonary exercise testing for predicting postoperative morbidity in patients undergoing hepatic resection surgery. HPB (Oxford). 2015; 17(7): 637-43. PMID: 25994624. 
Kumar S, Huang J, Abbassi-Ghadi N, Mackenzie HA, Veselkov KA, Hoare JM, Lovat LB, Španěl P, Smith D, Hanna GB. Mass Spectrometric Analysis of Exhaled Breath for the Identification of Volatile Organic Compound Biomarkers in Esophageal and Gastric Adenocarcinoma. Ann Surg. 2015; 262(6): 981-90. PMID: 25575255. 
Kasivisvanathan R, Abbassi-Ghadi N, Kumar S, Mackenzie H, Thompson K, James K, Mallett S. Risk of bleeding and adverse outcomes predicted by thromboelastography platelet mapping in patients taking clopidogrel within seven days of non-cardiac surgery. Br J Surg. 2014; 101(11): 1383-1390. PMID: 25088505. 
Kasivisvanathan R, Abbassi-Ghadi N, Prout J, Clevenger B, Fusai GK, Mallett SV. A prospective cohort study of intrathecal versus epidural analgesia for patients undergoing hepatic resection. HPB (Oxford). 2014; 16(8): 768-75. PMID: 24467320. 
Abbassi-Ghadi N, Kumar S, Huang J, Goldin R, Takatz Z, Hanna GB. Metabolomic profiling of gastro-oesophageal cancer: a systematic review. Eur J Cancer. 2013; 49(17): 3625-37. PMID: 23896378. 
Abbassi-Ghadi N, Kumar S, Cheung B, McDermott A, Knaggs A, Zacharakis E, Moorthy K, Carby M, Hanna GB. Anti-reflux surgery for lung transplant recipients in the presence of impedance-detected duodenogastroesophageal reflux and bronchiolitis obliterans syndrome: A study of efficacy and safety. J Heart Lung Transplant. 2013; 32(6): 588-95. PMID: 23540400. 
Hafez H, Makhosini M, Abbassi-Ghadi N, Hill R, Bentley M. Transverse minilaparotomy for open abdominal aortic aneurysm repair. J Vasc Surg. 2011; 53(6): 1514-9. PMID: 21514775. 
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