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Variation in esophageal anastomosis technique-the role of collaborative learning.

Halliday LJ, Doran SLF, Sgromo B, Viswanath YKS, Tucker O, Patel B, Jambulingam PS, Dawas K, Mercer S, Baker C, Mughal M, Hanna GB, Moorthy K.

Dis Esophagus. 2019 Oct 30. pii: doz072. doi: 10.1093/dote/doz072. [Epub ahead of print]


Surgical Quality Assurance in COLOR III: Standardization and Competency Assessment in a Randomized Controlled Trial.

Tsai AY, Mavroveli S, Miskovic D, van Oostendorp S, Adamina M, Hompes R, Aigner F, Spinelli A, Warusavitarne J, Knol J, Albert M, Nassif G Jr, Bemelman W, Boni L, Ovesen H, Austin R, Muratore A, Seitinger G, Sietses C, Lacy AM, Tuynman JB, Bonjer HJ, Hanna GB.

Ann Surg. 2019 Nov;270(5):768-774. doi: 10.1097/SLA.0000000000003537.


Comparison of Surgical Intervention and Mortality for Seven Surgical Emergencies in England and the United States.

Markar SR, Vidal-Diez A, Patel K, Maynard W, Tukanova K, Murray A, Holt PJ, Karthikesalingam A, Hanna GB.

Ann Surg. 2019 Nov;270(5):806-812. doi: 10.1097/SLA.0000000000003518.


An improved rapid sampling microdialysis system for human and porcine organ monitoring in a hospital setting.

Gowers SAN, Hamaoui K, Vallant N, Hanna GB, Darzi A, Casanova D, Papalois V, Boutelle MG.

Anal Methods. 2018 Nov 28;10(44):5273-5281. doi: 10.1039/c8ay01807c. Epub 2018 Nov 5.


An international comparison of the utilisation of and outcomes from minimal access surgery for the treatment of common abdominal surgical emergencies.

Tukanova K, Markar SR, Jamel S, Vidal-Diez A, Hanna GB.

Surg Endosc. 2019 Aug 19. doi: 10.1007/s00464-019-06980-y. [Epub ahead of print]


Clinical Evaluation of Intraoperative Near Misses in Laparoscopic Rectal Cancer Surgery.

Curtis NJ, Dennison G, Brown CSB, Hewett PJ, Hanna GB, Stevenson ARL, Francis NK.

Ann Surg. 2019 Jul 3. doi: 10.1097/SLA.0000000000003452. [Epub ahead of print]


Incisional hernia and enterocutaneous fistula in patients with chronic intestinal failure: prevalence and risk factors in a cohort of patients referred to a tertiary centre.

Hodgkinson JD, Oke SM, Warusavitarne J, Hanna GB, Gabe SM, Vaizey CJ.

Colorectal Dis. 2019 Nov;21(11):1288-1295. doi: 10.1111/codi.14735. Epub 2019 Jul 15.


An International Comparison of the Management of Gastrointestinal Surgical Emergencies in Octogenarians-England versus United States: A National Population-based Cohort Study.

Markar SR, Vidal-Diez A, Holt PJ, Karthikesalingam A, Hanna GB.

Ann Surg. 2019 Jun 7. doi: 10.1097/SLA.0000000000003396. [Epub ahead of print]


Cardiorespiratory Comorbidity and Postoperative Complications following Esophagectomy: a European Multicenter Cohort Study.

Klevebro F, Elliott JA, Slaman A, Vermeulen BD, Kamiya S, Rosman C, Gisbertz SS, Boshier PR, Reynolds JV, Rouvelas I, Hanna GB, van Berge Henegouwen MI, Markar SR.

Ann Surg Oncol. 2019 Sep;26(9):2864-2873. doi: 10.1245/s10434-019-07478-6. Epub 2019 Jun 10.


Clinical Application of Volatile Organic Compound-Based Exhaled Breath Tests for Cancer Diagnosis-In Reply.

Hanna GB, Boshier PR, Markar SR.

JAMA Oncol. 2019 Jul 1;5(7):1069. doi: 10.1001/jamaoncol.2019.1158. No abstract available.


How to train practising gynaecologists in total laparoscopic hysterectomy: protocol for the stepped-wedge IMAGINE trial.

Obermair A, Armfield NR, Graves N, Gebski V, Hanna GB, Coleman MG, Hughes A, Janda M.

BMJ Open. 2019 May 9;9(5):e027155. doi: 10.1136/bmjopen-2018-027155.


Laparoscopic magnetic sphincter augmentation versus fundoplication for gastroesophageal reflux disease: systematic review and pooled analysis.

Guidozzi N, Wiggins T, Ahmed AR, Hanna GB, Markar SR.

Dis Esophagus. 2019 Nov 13;32(9). pii: doz031. doi: 10.1093/dote/doz031.


Optimum timing of emergency cholecystectomy for acute cholecystitis in England: population-based cohort study.

Wiggins T, Markar SR, MacKenzie H, Faiz O, Mukherjee D, Khoo DE, Purkayastha S, Beckingham I, Hanna GB.

Surg Endosc. 2019 Aug;33(8):2495-2502. doi: 10.1007/s00464-018-6537-x. Epub 2019 Apr 4.


Laparoscopic fluorescence image-guided photothermal therapy enhances cancer diagnosis and treatment.

Singh M, Nabavi E, Zhou Y, Gallina ME, Zhao H, Ruenraroengsak P, Porter AE, Ma D, Cass AEG, Hanna GB, Elson DS.

Nanotheranostics. 2019 Jan 29;3(1):89-102. doi: 10.7150/ntno.28585. eCollection 2019.


Incidence and risk factors for esophageal cancer following achalasia treatment: national population-based case-control study.

Markar SR, Wiggins T, MacKenzie H, Faiz O, Zaninotto G, Hanna GB.

Dis Esophagus. 2019 May 1;32(5). pii: doy106. doi: 10.1093/dote/doy106.


Mass-Spectrometry Analysis of Mixed-Breath, Isolated-Bronchial-Breath, and Gastric-Endoluminal-Air Volatile Fatty Acids in Esophagogastric Cancer.

Adam ME, Fehervari M, Boshier PR, Chin ST, Lin GP, Romano A, Kumar S, Hanna GB.

Anal Chem. 2019 Mar 5;91(5):3740-3746. doi: 10.1021/acs.analchem.9b00148. Epub 2019 Feb 13.


2D versus 3D laparoscopic total mesorectal excision: a developmental multicentre randomised controlled trial.

Curtis NJ, Conti JA, Dalton R, Rockall TA, Allison AS, Ockrim JB, Jourdan IC, Torkington J, Phillips S, Allison J, Hanna GB, Francis NK.

Surg Endosc. 2019 Oct;33(10):3370-3383. doi: 10.1007/s00464-018-06630-9. Epub 2019 Jan 17.


A population-based cohort study examining the risk of abdominal cancer after endovascular abdominal aortic aneurysm repair.

Markar SR, Vidal-Diez A, Sounderajah V, Mackenzie H, Hanna GB, Thompson M, Holt P, Lagergren J, Karthikesalingam A.

J Vasc Surg. 2019 Jun;69(6):1776-1785.e2. doi: 10.1016/j.jvs.2018.09.058. Epub 2018 Dec 21.


Reintervention After Antireflux Surgery for Gastroesophageal Reflux Disease in England.

Markar SR, Arhi C, Wiggins T, Vidal-Diez A, Karthikesalingam A, Darzi A, Lagergren J, Hanna GB.

Ann Surg. 2018 Nov 29. doi: 10.1097/SLA.0000000000003131. [Epub ahead of print]


Development of the Point-of-Care Key Evidence Tool (POCKET): a checklist for multi-dimensional evidence generation in point-of-care tests.

Huddy JR, Ni M, Misra S, Mavroveli S, Barlow J, Hanna GB.

Clin Chem Lab Med. 2019 May 27;57(6):845-855. doi: 10.1515/cclm-2018-1089.


Pragmatic and rapid analysis of carbonyl, oxidation and chlorination nucleoside-adducts in murine tissue by UPLC-ESI-MS/MS.

Antonowicz S, Hanna GB, Takats Z, Bodai Z.

Talanta. 2018 Dec 1;190:436-442. doi: 10.1016/j.talanta.2018.08.029. Epub 2018 Aug 9.


Accuracy and Methodologic Challenges of Volatile Organic Compound-Based Exhaled Breath Tests for Cancer Diagnosis: A Systematic Review and Meta-analysis.

Hanna GB, Boshier PR, Markar SR, Romano A.

JAMA Oncol. 2019 Jan 1;5(1):e182815. doi: 10.1001/jamaoncol.2018.2815. Epub 2019 Jan 10. Erratum in: JAMA Oncol. 2019 Jul 1;5(7):1070.


High-Throughput Breath Volatile Organic Compound Analysis Using Thermal Desorption Proton Transfer Reaction Time-of-Flight Mass Spectrometry.

Romano A, Doran S, Belluomo I, Hanna GB.

Anal Chem. 2018 Sep 4;90(17):10204-10210. doi: 10.1021/acs.analchem.8b01045. Epub 2018 Aug 14.


The Influence of Antireflux Surgery on Esophageal Cancer Risk in England: National Population-based Cohort Study.

Markar SR, Arhi C, Leusink A, Vidal-Diez A, Karthikesalingam A, Darzi A, Lagergren J, Hanna GB.

Ann Surg. 2018 Nov;268(5):861-867. doi: 10.1097/SLA.0000000000002890.


Evolution in the management of acute cholecystitis in the elderly: population-based cohort study.

Wiggins T, Markar SR, Mackenzie H, Jamel S, Askari A, Faiz O, Karamanakos S, Hanna GB.

Surg Endosc. 2018 Oct;32(10):4078-4086. doi: 10.1007/s00464-018-6092-5. Epub 2018 Jul 25.


Laparoscopic surgery for perforated peptic ulcer: an English national population-based cohort study.

Leusink A, Markar SR, Wiggins T, Mackenzie H, Faiz O, Hanna GB.

Surg Endosc. 2018 Sep;32(9):3783-3788. doi: 10.1007/s00464-018-6058-7. Epub 2018 Jul 19.


Profile of exhaled-breath volatile organic compounds to diagnose pancreatic cancer.

Markar SR, Brodie B, Chin ST, Romano A, Spalding D, Hanna GB.

Br J Surg. 2018 Oct;105(11):1493-1500. doi: 10.1002/bjs.10909. Epub 2018 Jul 18.


The influence of hospital volume upon clinical management and outcomes of esophageal achalasia: an English national population-based cohort study.

Wiggins T, Markar SR, MacKenzie H, Faiz O, Zaninotto G, Hanna GB.

Dis Esophagus. 2018 Sep 1;31(9). doi: 10.1093/dote/doy045.


Effects of intraoperative pyloric stretch procedure on outcomes after esophagectomy.

Boshier PR, Adam ME, Doran S, Muthuswamy K, Hanna GB.

Dis Esophagus. 2018 Oct 1;31(10). doi: 10.1093/dote/doy038.


Assessment of a Noninvasive Exhaled Breath Test for the Diagnosis of Oesophagogastric Cancer.

Markar SR, Wiggins T, Antonowicz S, Chin ST, Romano A, Nikolic K, Evans B, Cunningham D, Mughal M, Lagergren J, Hanna GB.

JAMA Oncol. 2018 Jul 1;4(7):970-976. doi: 10.1001/jamaoncol.2018.0991.


Prognostic Value of Lymph Node Yield on Overall Survival in Esophageal Cancer Patients: A Systematic Review and Meta-analysis.

Visser E, Markar SR, Ruurda JP, Hanna GB, van Hillegersberg R.

Ann Surg. 2019 Feb;269(2):261-268. doi: 10.1097/SLA.0000000000002824.


Population-based cohort study of surgical myotomy and pneumatic dilatation as primary interventions for oesophageal achalasia.

Markar SR, Mackenzie H, Askari A, Faiz O, Hoare J, Zaninotto G, Hanna GB.

Br J Surg. 2018 Jul;105(8):1028-1035. doi: 10.1002/bjs.10805. Epub 2018 Mar 30.


Cross-platform mass spectrometry annotation in breathomics of oesophageal-gastric cancer.

Chin ST, Romano A, Doran SLF, Hanna GB.

Sci Rep. 2018 Mar 23;8(1):5139. doi: 10.1038/s41598-018-22890-w.


Variation in Exhaled Acetone and Other Ketones in Patients Undergoing Bariatric Surgery: a Prospective Cross-sectional Study.

Boshier PR, Fehervari M, Markar SR, Purkayastha S, Spanel P, Smith D, Hanna GB.

Obes Surg. 2018 Aug;28(8):2439-2446. doi: 10.1007/s11695-018-3180-5.


EAES classification of intraoperative adverse events in laparoscopic surgery.

Francis NK, Curtis NJ, Conti JA, Foster JD, Bonjer HJ, Hanna GB; EAES committees.

Surg Endosc. 2018 Sep;32(9):3822-3829. doi: 10.1007/s00464-018-6108-1. Epub 2018 Feb 12.


Incidence and Risk Factors for Anastomotic Failure in 1594 Patients Treated by Transanal Total Mesorectal Excision: Results From the International TaTME Registry.

Penna M, Hompes R, Arnold S, Wynn G, Austin R, Warusavitarne J, Moran B, Hanna GB, Mortensen NJ, Tekkis PP; International TaTME Registry Collaborative.

Ann Surg. 2019 Apr;269(4):700-711. doi: 10.1097/SLA.0000000000002653.


Effect of perioperative blood transfusion on the long-term survival of patients undergoing esophagectomy for esophageal cancer: a systematic review and meta-analysis.

Boshier PR, Ziff C, Adam ME, Fehervari M, Markar SR, Hanna GB.

Dis Esophagus. 2018 Apr 1;31(4). doi: 10.1093/dote/dox134. Review.


Designing medical technology for resilience: integrating health economics and human factors approaches.

Borsci S, Uchegbu I, Buckle P, Ni Z, Walne S, Hanna GB.

Expert Rev Med Devices. 2018 Jan;15(1):15-26. doi: 10.1080/17434440.2018.1418661. Epub 2017 Dec 20.


Optimisation of sampling parameters for standardised exhaled breath sampling.

Doran SLF, Romano A, Hanna GB.

J Breath Res. 2017 Dec 6;12(1):016007. doi: 10.1088/1752-7163/aa8a46.


Breath Volatile Organic Compound Profiling of Colorectal Cancer Using Selected Ion Flow-tube Mass Spectrometry.

Markar SR, Chin ST, Romano A, Wiggins T, Antonowicz S, Paraskeva P, Ziprin P, Darzi A, Hanna GB.

Ann Surg. 2019 May;269(5):903-910. doi: 10.1097/SLA.0000000000002539.


Usability study of pH strips for nasogastric tube placement.

Borsci S, Buckle P, Huddy J, Alaestante Z, Ni Z, Hanna GB.

PLoS One. 2017 Nov 30;12(11):e0189013. doi: 10.1371/journal.pone.0189013. eCollection 2017.


Influence of national centralization of oesophagogastric cancer on management and clinical outcome from emergency upper gastrointestinal conditions.

Markar SR, Mackenzie H, Wiggins T, Askari A, Karthikesalingam A, Faiz O, Griffin SM, Birkmeyer JD, Hanna GB.

Br J Surg. 2018 Jan;105(1):113-120. doi: 10.1002/bjs.10640. Epub 2017 Nov 20.


Induced Bias Due to Crossover Within Randomized Controlled Trials in Surgical Oncology: A Meta-regression Analysis of Minimally Invasive versus Open Surgery for the Treatment of Gastrointestinal Cancer.

Garas G, Markar SR, Malietzis G, Ashrafian H, Hanna GB, Zacharakis E, Jiao LR, Argiris A, Darzi A, Athanasiou T.

Ann Surg Oncol. 2018 Jan;25(1):221-230. doi: 10.1245/s10434-017-6210-y. Epub 2017 Nov 6. Review.


Selecting pH cut-offs for the safe verification of nasogastric feeding tube placement: a decision analytical modelling approach.

Ni MZ, Huddy JR, Priest OH, Olsen S, Phillips LD, Bossuyt PMM, Hanna GB.

BMJ Open. 2017 Nov 4;7(11):e018128. doi: 10.1136/bmjopen-2017-018128. Erratum in: BMJ Open. 2018 Jan 21;8(1):e018128corr1.


Gold nanorod reshaping in vitro and in vivo using a continuous wave laser.

Harris-Birtill D, Singh M, Zhou Y, Shah A, Ruenraroengsak P, Gallina ME, Hanna GB, Cass AEG, Porter AE, Bamber J, Elson DS.

PLoS One. 2017 Oct 18;12(10):e0185990. doi: 10.1371/journal.pone.0185990. eCollection 2017.


Perioperative changes in exhaled nitric oxide during oesophagectomy.

Boshier PR, Knaggs AL, Hanna GB, Marczin N.

J Breath Res. 2017 Nov 7;11(4):047109. doi: 10.1088/1752-7163/aa9387.


Optimization of sampling parameters for standardized exhaled breath sampling.

Doran S, Romano A, Hanna GB.

J Breath Res. 2017 Sep 5. doi: 10.1088/1752-7163/aa8a46. [Epub ahead of print]


Does use of point-of-care testing improve cost-effectiveness of the NHS Health Check programme in the primary care setting? A cost-minimisation analysis.

El-Osta A, Woringer M, Pizzo E, Verhoef T, Dickie C, Ni MZ, Huddy JR, Soljak M, Hanna GB, Majeed A.

BMJ Open. 2017 Aug 15;7(8):e015494. doi: 10.1136/bmjopen-2016-015494.


Open Researcher and Contributor ID (ORCID): vital for surgical endoscopy.

Talamini MA, Hanna GB.

Surg Endosc. 2017 Sep;31(9):3411. doi: 10.1007/s00464-017-5814-4. Epub 2017 Aug 15. No abstract available.


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