John Isaac

6.6k total citations · 1 hit paper
128 papers, 3.1k citations indexed

About

John Isaac is a scholar working on Surgery, Oncology and Hepatology. According to data from OpenAlex, John Isaac has authored 128 papers receiving a total of 3.1k indexed citations (citations by other indexed papers that have themselves been cited), including 106 papers in Surgery, 50 papers in Oncology and 50 papers in Hepatology. Recurrent topics in John Isaac's work include Organ Transplantation Techniques and Outcomes (44 papers), Liver Disease and Transplantation (42 papers) and Pancreatic and Hepatic Oncology Research (39 papers). John Isaac is often cited by papers focused on Organ Transplantation Techniques and Outcomes (44 papers), Liver Disease and Transplantation (42 papers) and Pancreatic and Hepatic Oncology Research (39 papers). John Isaac collaborates with scholars based in United Kingdom, Singapore and United States. John Isaac's co-authors include Paolo Muiesan, Darius F. Mirza, M. Thamara P. R. Perera, Keith Roberts, Hynek Mergental, Robert P. Sutcliffe, James Hodson, Ravi Marudanayagam, Yaman Tekant and C. K. Kum and has published in prestigious journals such as Annals of Surgery, Journal of Hepatology and British journal of surgery.

In The Last Decade

John Isaac

122 papers receiving 3.0k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Outcomes of DCD liver transplantation using organs treated by hypothermic oxygenated perfusion before implantation

2018 217 citations Andrea Schlegel, M. Thamara P. R. Perera et al. profile →

Peers

Countries citing papers authored by John Isaac

Since Specialization

Citations

This map shows the geographic impact of John Isaac's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by John Isaac with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John Isaac more than expected).

Fields of papers citing papers by John Isaac

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John Isaac. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by John Isaac. The network helps show where John Isaac may publish in the future.

Co-authorship network of co-authors of John Isaac

This figure shows the co-authorship network connecting the top 25 collaborators of John Isaac. A scholar is included among the top collaborators of John Isaac based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with John Isaac. John Isaac is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Discarded livers tested by normothermic machine perfusion in the VITTAL trial: Secondary end points and 5-year outcomes 2023 ·Liver Transplantation ·Hynek Mergental, Richard W. Laing, Amanda Kirkham, George L. Clarke, Yuri L. Boteon, Darren Barton, Desley Neil, John Isaac, Keith Roberts, Manuel Abradelo, Andrea Schlegel, B. Dasari, James Ferguson, Hentie Cilliers, C.G. Morris, Peter J. Friend, Christina Yap, Simon C. Afford, M. Thamara P. R. Perera, Darius F. Mirza	16
2	Vein Wall Invasion Is a More Reliable Predictor of Oncological Outcomes than Vein-Related Margins after Pancreaticoduodenectomy for Early Stages of Pancreatic Ductal Adenocarcinoma 2023 ·Diagnostics ·(unknown), Rupaly Pandé, (unknown), Rachel M. Brown, Owen Cain, David Bartlett, B. Dasari, Ravi Marudanayagam, Keith Roberts, John Isaac, Robert P. Sutcliffe, N. Chatzizacharias	0
3	Liver transplantation for isolated unresectable colorectal liver metastases - Protocol for a service evaluation in the United Kingdom - UKCoMET study 2023 ·HPB ·Krishna Menon, (unknown), Jamie Murphy, Pål‐Dag Line, John Isaac, (unknown), Rajendra Prasad, Douglas Thorburn, (unknown), Ian Parker, Lindy Berkman, William Gelson, Rebecca Jones, Derek Manas, Gary Middleton, Praveen Peddu, M. Thamara P. R. Perera, (unknown), Andrew Scarsbrook, Yoh Zen	0
4	The effect of end-ischaemic normothermic machine perfusion on donor hepatic artery endothelial integrity 2022 ·Langenbeck s Archives of Surgery ·Joseph Attard, Dimitri Sneiders, Richard W. Laing, Yuri L. Boteon, Hynek Mergental, John Isaac, Darius F. Mirza, Simon C. Afford, Hermien Hartog, Desley Neil, M. Thamara P. R. Perera	7
5	Influence of middle hepatic vein resection during right or left hepatectomy on post hepatectomy outcomes 2022 ·Annals of Hepato-Biliary-Pancreatic Surgery ·(unknown), M. Wilson, (unknown), (unknown), Robert P. Sutcliffe, Keith Roberts, Ravi Marudanayagam, Paolo Muiesan, N. Chatzizacharias, Darius F. Mirza, John Isaac, B. Dasari	1
6	Detection of Colorectal Liver Metastases Using Near-Infrared Fluorescence Imaging During Hepatectomy: Prospective Single Centre UK Study 2022 ·Journal of Gastrointestinal Cancer ·(unknown), David Bartlett, B. Dasari, N. Chatzizacharias, John Isaac, Ravi Marudanayagam, Darius F. Mirza, (unknown), Robert P. Sutcliffe	5
7	Assembly Line ICU: what the Long Shops taught us about managing surge capacity for COVID-19 2020 ·BMJ Open Quality ·(unknown), (unknown), (unknown), Davinia Bennett, Nandan Gautam, John Isaac, Peter Isherwood, (unknown), Nick Murphy, Tessa Oelofse, Jaimin Patel, Catherine Snelson, Carla Richardson, (unknown), (unknown), Tonny Veenith, Tony Whitehouse	16
8	Risk adjusted assessment of individual surgeon's pancreatic fistula outcomes 2019 ·HPB ·Keith Roberts, Amanda Pinter Carvalheiro da Silva Boteon, Francesca Marcon, Manuel Abradelo, B. Dasari, Paolo Muiesan, Ravi Marudanayagam, Robert P. Sutcliffe, John Isaac, Darius F. Mirza	6
9	The AKI-Predict-Score: a new prediction model for acute kidney injury after liver transplantation 2018 ·HPB ·(unknown), (unknown), I. Umbro, Keith Roberts, Darius F. Mirza, M. Thamara P. R. Perera, John Isaac, Anna Paola Mitterhofer, (unknown), Paolo Muiesan	1
10	Does blood group affect survival following pancreatoduodenectomy for periampullary malignancy? 2018 ·HPB ·Khalid Khalil, (unknown), Soofiyah Ayaani, James Hodson, For Tai Lam, Saboor Khan, Jawad Ahmad, John Isaac, Paolo Muiesan, Darius F. Mirza, B. Dasari, Ravi Marudanayagam, Robert P. Sutcliffe, Gabriele Marangoni, Keith Roberts	3
11	Role of palliative resection of the primary tumour in advanced pancreatic and small intestinal neuroendocrine tumours: A systematic review and meta-analysis 2017 ·European Journal of Surgical Oncology ·Max Almond, James Hodson, Samuel Ford, David Gourevitch, Keith Roberts, Tahir Shah, John Isaac, Amisha Desai	42
12	Viability testing and transplantation of marginal livers (VITTAL) using normothermic machine perfusion: study protocol for an open-label, non-randomised, prospective, single-arm trial 2017 ·BMJ Open ·Richard W. Laing, Hynek Mergental, Christina Yap, Amanda Kirkham, (unknown), Darren Barton, Stuart M. Curbishley, Yuri L. Boteon, Desley Neil, Stefan G. Hübscher, M. Thamara P. R. Perera, Paolo Muiesan, John Isaac, Keith Roberts, Hentie Cilliers, Simon C. Afford, Darius F. Mirza	90
13	A reduced time to surgery within a ‘fast track’ pathway for periampullary malignancy is associated with an increased rate of pancreatoduodenectomy 2017 ·HPB ·Keith Roberts, Pooja Prasad, (unknown), Francesca Marcon, Thomas Faulkner, Hentie Cilliers, B. Dasari, Manuel Abradelo, Ravi Marudanayagam, Robert P. Sutcliffe, Paolo Muiesan, Darius F. Mirza, John Isaac	38
14	Outcome following resection of biliary cystadenoma: A single centre experience 2016 ·HPB ·(unknown), (unknown), C. Coldham, Robert P. Sutcliffe, Keith Roberts, Paolo Muiesan, John Isaac, Darius F. Mirza, Ravi Marudanayagam	1
15	A model to predict survival following pancreaticoduodenectomy for malignancy based on tumour site, stage and lymph node ratio 2016 ·HPB ·B. Dasari, Keith Roberts, James Hodson, (unknown), Andrew M. Smith, Stefan G. Hübscher, John Isaac, Paolo Muiesan, Robert P. Sutcliffe, Ravi Marudanayagam, Darius F. Mirza	20
16	A comparative study of risk factors for pancreatic fistula after pancreatoduodenectomy or distal pancreatectomy 2016 ·HPB ·James Halle‐Smith, Keith Roberts, James Hodson, (unknown), (unknown), Ravi Marudanayagam, (unknown), (unknown), John Isaac, Darius F. Mirza	1
17	Intention to Split Policy 2016 ·Annals of Surgery ·Narendra Battula, (unknown), (unknown), M. Thamara P. R. Perera, Evelyn Ong, Garrett R. Roll, (unknown), Hynek Mergental, John Isaac, Paolo Muiesan, Khalid Sharif, Darius F. Mirza	66
18	Changing indications for a total pancreatectomy: perspectives over a quarter of a century 2014 ·HPB ·Max Almond, Keith Roberts, James Hodson, Robert P. Sutcliffe, Ravi Marudanayagam, John Isaac, Paolo Muiesan, Darius F. Mirza	34
19	Blood transfusion and the anaesthetist: management of massive haemorrhage 2010 ·Anaesthesia ·Wayne Thomas, M.Y.K. Wee, P. Clyburn, Isabeau Walker, Karim Brohi, Peter W. Collins, Heidi Doughty, John Isaac, PF Mahoney, (unknown)	119
20	The technique of laparoscopic Billroth II gastrectomy. 1992 ·PubMed ·P. Goh, Yaman Tekant, John Isaac, C. K. Kum, (unknown)	65

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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