Dr Umar Sadat

University position

Clinical Lecturer

Dr Umar Sadat is pleased to consider applications from prospective PhD students.


Department of Surgery

Research Theme

Clinical and Veterinary Neuroscience


1. Ultrasound, Computerised Tomography, Magnetic resonance imaging, Cellular Imaging of atherosclerosis

2. Role of biomechanics in pathogenesis of atherosclerotic plaques, aortic aneurysms and in aortic stent graft design & failure

3. Contrast-induced acute kidney injury

Research Focus




contrast induced nephropathy

Clinical conditions

Cerebrovascular disorders



Computational modelling

Computerised tomography

Magnetic resonance imaging (MRI)

Positron Emission Tomography (PET)



Jonathan Gillard

Zhongzhao Teng

Associated News Items



    Awopetu AI, Gohel MS, Sadat U, Hayes PD (2021), “Clinical feasibility of diffuse speckle contrast analysis for real-time tissue perfusion monitoring.” Int Angiol.

    Huang Y, Wang S, Luo T, Du MH, Sun C, Sadat U, Schönlieb CB, Gillard JH, Zhang J, Teng Z (2021), “ Estimation of the zero-pressure computational start shape of atherosclerotic plaques: Improving the backward displacement method with deformation gradient tensor.” J Biomech

    Teng Z, Wang S, Tokgoz A, Taviani V, Bird J, Sadat U, Huang Y, Patterson AJ, Figg N, Graves MJ, Gillard JH (2021), “Study on the association of wall shear stress and vessel structural stress with atherosclerosis: An experimental animal study” Atherosclerosis 320:38-46


    Usman A, Patterson AJ, Yuan J, Cluroe A, Patterson I, Graves MJ, Gillard JH, Sadat U (2020), “Ferumoxytol-enhanced three-dimensional magnetic resonance imaging of carotid atheroma- a feasibility and temporal dependence study” Sci Rep 10(1): 1808


    Bath MF, Awopetu AI, Stather PW, Sadat U, Varty K, Hayes PD (2019), “The Impact of Operating Surgeon Experience, Supervised Trainee vs. Trained Surgeon, in Vascular Surgery Procedures: A Systematic Review and Meta-Analysis.” Eur J Vasc Endovasc Surg

    Chowdhury MM, Tarkin JM, Albaghdadi MS, Evans NR, Le EPV, Berrett TB, Sadat U, Joshi FR, Warburton EA, Buscombe JR, Hayes PD, Dweck MR, Newby DE, Rudd JHF, Coughlin PA (2019), “Vascular Positron Emission Tomography and Restenosis in Symptomatic Peripheral Arterial Disease: A Prospective Clinical Study.” JACC Cardiovasc Imaging


    Sadat U, Mariam NBG, Usman A, Chowdhury MM, El Nakhal T, DaCosta OF, Gillard JH, Hayes PD, Varty K (2018), “Association Between Abdominal Visceral Artery Calcification and All-Cause Mortality-A Computerized Tomography Imaging-Based Longitudinal Follow-Up Study.” Angiology 3319718796889

    Usman A, Yuan J, Patterson AJ, Graves MJ, Varty K, Sadat U, Gillard JH (2018), “Neovascularization in Vertebral Artery Atheroma-A Dynamic Contrast-Enhanced Magnetic Resonance Imaging-Based Comparative Study in Patients with Symptomatic and Asymptomatic Carotid Artery Disease.” J Stroke Cerebrovasc Dis 27(9):2505-2512


    Ambler GK, Mariam NBG, Sadat U, Coughlin PA, Loftus IM, Boyle JR; in association with the audit and quality improvement committee of the Vascular Society of Great Britain and Ireland. (2017), “Weekend effect in non-elective abdominal aortic aneurysm repair.” BJS Open 1(5):158-164

    Anibueze C, Sankaran V, Sadat U, Tan K, Wilson YG, Brightwell RE, Delbridge MS, Stather PW (2017), “Neoaortic Xenoprosthetic Grafts for Treatment of Mycotic Aneurysms and Infected Aortic Grafts.” Ann Vasc Surg 419.e1-419.e12

    Noorani A, Sadat U, Rollins KE, Chowdhury MM, Tang TY, Harrison SC, Usman A, Burling K, Nordon A, Boyle JR. (2017), “Assessment of Renal Injury in Patients Undergoing Elective EVAR Using Urinary Neutrophil Gelatin-Associated Lipocalin, Interleukin 18, and Retinol-Binding Protein.” Angiology 68(6):547-552

    Sadat U, Usman A, Gillard JH. (2017), “Imaging pathobiology of carotid atherosclerosis with ultrasmall superparamagnetic particles of iron oxide: an update.” Curr Opin Cardiol 32(4):437-440

    Sun JJ, Chowdhury MM, Sadat U, Hayes PD, Tang TY. (2017), “Mechanochemical Ablation for Treatment of Truncal Venous Insufficiency: A Review of the Current Literature.” J Vasc Interv Radiol 28(10):1422-1431

    Usman A, Patterson AJ, Sadat U, Tang TY, Graves MJ, Gillard JH. (2017), “Assessment of Carotid Plaque Inflammation in Diabetic and Nondiabetic Patients-An Exploratory Ultrasmall Superparamagnetic Iron Oxide-Enhanced Magnetic Resonance Imaging Study.” J Stroke Cerebrovasc Dis 26(4):858-862

    Usman A, Sadat U, Teng Z, Graves MJ, Boyle JR, Varty K, Hayes PD, Gillard JH. (2017), “Magnetic Resonance Imaging-Based Assessment of Carotid Atheroma: a Comparative Study of Patients with and without Coronary Artery Disease.” J Stroke Cerebrovasc Dis 26(2):347-351

    Wang S, Zhang Y, Feng J, Huang Y, Tokgoz A, Sadat U, Gillard JH, Lu Q, Teng Z (2017), “Influence of overlapping pattern of multiple overlapping uncovered stents on the local mechanical environment: A patient-specific parameter study.” J Biomech 60:188-196


    Sadat U, Loja M, Usman A, Freischlag JA, Varty K. (2016), “Arterial thoracic outlet syndrome: rare and triggering.” Minerva Cardioangiol 64(6):635-641

    Zhu C, Graves MJ, Sadat U, Young VE, Gillard JH, Patterson AJ. (2016), “Comparison of Gated and Ungated Black-Blood Fast Spin-echo MRI of Carotid Vessel Wall at 3T.” Magn Reson Med Sci 15(3):266-72


    Sadat U, Hayes PD, Varty K (2015), “Acute Limb Ischemia in Pediatric Population Secondary to Peripheral Vascular Cannulation: Literature Review and Recommendations.” Vasc Endovascular Surg Details

    Sadat U, Usman A, Boyle JR, Hayes PD, Solomon RJ (2015), “Contrast Medium-Induced Acute Kidney Injury.” Cardiorenal Med 5(3):219-28 Details

    Usman A, Ribatti D, Sadat U, Gillard JH (2015), “From Lipid Retention to Immune-Mediate Inflammation and Associated Angiogenesis in the Pathogenesis of Atherosclerosis.” J Atheroscler Thromb 22(8):739-49 Details

    Usman A, Sadat U, Graves MJ, Gillard JH (2015), “Magnetic resonance imaging of atherothrombotic plaques.” J Clin Neurosci Details

    Usman A, Sadat U, Patterson AJ, Tang TY, Varty K, Boyle JR, Armon MP, Hayes PD, Graves MJ, Gillard JH. (2015), “Use of ultrasmall superparamagnetic iron oxide particles for imaging carotid atherosclerosis.” Nanomedicine (Lond) 10(19):3077-3087

    Zhang X, Zhu C, Peng W, Tian B, Chen L, Teng Z, Lu J, Sadat U, Saloner D, Liu Q (2015), “Scan-Rescan Reproducibility of High Resolution Magnetic Resonance Imaging of Atherosclerotic Plaque in the Middle Cerebral Artery.” PLoS One 10(8):e0134913 Details


    Abbadi RA, Sadat U, Jah A, Praseedom RK, Jamieson NV, Cheow HK, Whitley S, Ford HE, Wilson CB, Harper SJ, Huguet EL (2014), “Improved long-term survival after resection of colorectal liver metastases following staging with FDG positron emission tomography.” J Surg Oncol Details

    Huang Y, Teng Z, Sadat U, Graves MJ, Bennett MR, Gillard JH (2014), “The influence of computational strategy on prediction of mechanical stress in carotid atherosclerotic plaques: Comparison of 2D structure-only, 3D structure-only, one-way and fully coupled fluid-structure interaction analyses.” J Biomech Details

    Sadat U, Jaffer FA, van Zandvoort MA, Nicholls SJ, Ribatti D, Gillard JH (2014), “Inflammation and neovascularization intertwined in atherosclerosis: imaging of structural and molecular imaging targets.” Circulation 130(9):786-94 Details

    Teng Z, Sadat U, Brown AJ, Gillard JH (2014), “Plaque hemorrhage in carotid artery disease: Pathogenesis, clinical and biomechanical considerations.” J Biomech Details

    The Remote Preconditioning Trialists' Group, Healy DA, Khan WA, Wong CS, Moloney MC, Grace PA, Coffey JC, Dunne C, Walsh SR, Sadat U, Gaunt ME, Chen S, Tehrani S, Hausenloy DJ, Yellon DM, Kramer RS, Zimmerman RF, Lomivorotov VV, Shmyrev VA, Ponomarev DN, Rahman IA, Mascaro JG, Bonser RS, Jeon Y, Hong DM, Wagner R, Thielmann M, Heusch G, Zacharowski K, Meybohm P, Bein B, Tang TY (2014), “Remote preconditioning and major clinical complications following adult cardiovascular surgery: Systematic review and meta-analysis.” Int J Cardiol Details

    Zhang Y, Teng Z, Lu Q, Zhao Z, Bao J, Feng X, Feng R, Chen Z, Huang Y, Sadat U, Gillard JH, Jing Z (2014), “Management of complicated aortic aneurysms using multiple overlapping uncovered stents: mid-term outcome from a cohort study.” Medicine (Baltimore) 93(27):e209 Details

    Zhu C, Graves MJ, Yuan J, Sadat U, Gillard JH, Patterson AJ (2014), “Optimization of Improved Motion-sensitized Driven-equilibrium (iMSDE) blood suppression for carotid artery wall imaging.” J Cardiovasc Magn Reson 16(1):61 Details

    Zhu C, Sadat U, Patterson AJ, Teng Z, Gillard JH, Graves MJ (2014), “3D high-resolution contrast enhanced MRI of carotid atheroma - a technical update.” Magn Reson Imaging Details


    Bello SO, Page A, Sadat U, Codispoti M, Nair SK (2013), “Chest X-ray and electrocardiogram in post-cardiac surgery follow-up clinics: should this be offered routinely or when clinically indicated?” Interact Cardiovasc Thorac Surg Details

    Huang Y, Teng Z, Sadat U, He J, Graves MJ, Gillard JH (2013), “In vivo MRI-based simulation of fatigue process: a possible trigger for human carotid atherosclerotic plaque rupture.” Biomed Eng Online 12(1):36 Details

    Nanjappa A, Gill J, Sadat U, Colah S, Abu-Omar Y, Nair S (2013), “The effect of retrograde autologous priming on intraoperative blood product transfusion in coronary artery bypass grafting.” Perfusion Details

    Sadat U (2013), “Radiographic contrast-media-induced acute kidney injury: pathophysiology and prophylactic strategies.” ISRN Radiol 2013:496438 Details

    Sadat U (2013), “N-acetylcysteine in contrast induced-acute kidney injury: clinical use against principles of evidence-based clinical medicine!” Expert Rev Cardiovasc Ther Details

    Sadat U, Usman A, Gillard JH, Boyle JR (2013), “Does ascorbic acid protect against contrast induced- acute kidney injury in patients undergoing coronary angiography - a systematic review with meta-analysis of randomized controlled trials.” J Am Coll Cardiol Details

    Sadat U, Usman A, Howarth SP, Tang TY, Alam F, Graves MJ, Gillard JH (2013), “Carotid Artery Stiffness in Patients with Symptomatic Carotid Artery Disease with Contralateral Asymptomatic Carotid Artery Disease and in Patients with Bilateral Asymptomatic Carotid Artery Disease: A Cine Phase-Contrast Carotid MR Study.” J Stroke Cerebrovasc Dis Details

    Tang T, Sadat U, Walsh S, Hayes PD (2013), “Comparison of the Endurant Bifurcated Endograft vs. Aortouni-iliac Stent-Grafting in Patients With Abdominal Aortic Aneurysms: Experience From the ENGAGE Registry.” J Endovasc Ther 20(2):172-81 Details

    Teng Z, He J, Sadat U, Mercer J, Wang X, Bahaei N, Thomas O, Gillard J (2013), “How does juxtaluminal calcium affect critical mechanical conditions in carotid atherosclerotic plaque? an exploratory study.” IEEE Trans Biomed Eng Details

    Teng Z, Sadat U, Wang W, Bahaei NS, Chen S, Young VE, Graves MJ, Gillard JH (2013), “Intraplaque stretch in carotid atherosclerotic plaque - an effective biomechanical predictor for subsequent cerebrovascular ischemic events.” PLoS One 8(4):e61522 Details


    Sadat U, Howarth SP, Usman A, Tang TY, Graves MJ, Gillard JH (2012), “Sequential Imaging of Asymptomatic Carotid Atheroma Using Ultrasmall Superparamagnetic Iron Oxide-enhanced Magnetic Resonance Imaging: A Feasibility Study.” J Stroke Cerebrovasc Dis Details

    Sadat U, Howarth SP, Usman A, Taviani V, Tang TY, Graves MJ, Gillard JH (2012), “Effect of Low-and High-Dose Atorvastatin on Carotid Artery Distensibility Using Carotid Magnetic Resonance Imaging -A Post-Hoc Sub Group Analysis of ATHEROMA (Atorvastatin Therapy: Effects on Reduction of Macrophage Activity) Study.” J Atheroscler Thromb Details

    Teng Z, He J, Degnan AJ, Chen S, Sadat U, Bahaei NS, Rudd JH, Gillard JH (2012), “Critical mechanical conditions around neovessels in carotid atherosclerotic plaque may promote intraplaque hemorrhage.” Atherosclerosis 223(2):321-6 Details

    Young VE, Patterson AJ, Tunnicliffe EM, Sadat U, Graves MJ, Tang TY, Priest AN, Kirkpatrick PJ, Gillard JH (2012), “SNR increase in carotid atheroma MRI: a comparison of 1.5 T and 3 T.” Br J Radiol Details

    Zhu C, Patterson AJ, Thomas OM, Sadat U, Graves MJ, Gillard JH (2012), “Carotid stenosis assessment with multi-detector CT angiography: comparison between manual and automatic segmentation methods.” Int J Cardiovasc Imaging Details


    Gao H, Long Q, Das SK, Sadat U, Graves M, Gillard JH, Li ZY (2011), “Stress Analysis of Carotid Atheroma in Transient Ischemic Attack Patients: Evidence for Extreme Stress-Induced Plaque Rupture.” Ann Biomed Eng Details

    Huang Y, Teng Z, Sadat U, Hilborne S, Young VE, Graves MJ, Gillard JH (2011), “Non-uniform shrinkage for obtaining computational start shape for in-vivo MRI-based plaque vulnerability assessment.” J Biomech Details

    Markar SR, Sadat U, Edmonds L, Nair SK (2011), “Mitral valve repair versus replacement in the elderly population.” J Heart Valve Dis 20(3):265-71 Details

    Qureshi MS, Rao MM, Sasapu KK, Casey J, Qureshi MU, Sadat U, Hick D, Ambrose S, Jayne DG (2011), “Male faecal incontinence presents as two separate entities with implications for management.” Int J Colorectal Dis Details

    Sadat U (2011), “Contrast-induced nephropathy: do statins offer protection?” Curr Opin Cardiol Details

    Sadat U, Teng Z, Young VE, Li ZY, Gillard JH (2011), “Utility of magnetic resonance imaging-based finite element analysis for the biomechanical stress analysis of hemorrhagic and non-hemorrhagic carotid plaques.” Circ J 75(4):884-9 Details

    Teng Z, Degnan AJ, Sadat U, Wang F, Young VE, Graves MJ, Chen S, Gillard JH (2011), “Characterization of healing following atherosclerotic carotid plaque rupture in acutely symptomatic patients: an exploratory study using in vivo cardiovascular magnetic resonance.” J Cardiovasc Magn Reson 13:64 Details

    Teng Z, Sadat U, Huang Y, Young VE, Graves MJ, Lu J, Gillard JH (2011), “In vivo MRI-based 3D Mechanical Stress-Strain Profiles of Carotid Plaques with Juxtaluminal Plaque Haemorrhage: An Exploratory Study for the Mechanism of Subsequent Cerebrovascular Events.” Eur J Vasc Endovasc Surg Details

    Teng Z, Sadat U, Ji G, Zhu C, Young VE, Graves MJ, Gillard JH (2011), “Lumen irregularity dominates the relationship between mechanical stress condition, fibrous-cap thickness, and lumen curvature in carotid atherosclerotic plaque.” J Biomech Eng 133(3):034501 Details

    Young VE, Sadat U, Gillard JH (2011), “Noninvasive carotid artery imaging with a focus on the vulnerable plaque.” Neuroimaging Clin N Am 21(2):391-405 Details


    Hayes PD, Sadat U, Walsh SR, Noorani A, Tang TY, Bowden DJ, Gillard JH, Boyle JR (2010), “Cost-effectiveness analysis of endovascular versus open surgical repair of acute abdominal aortic aneurysms based on worldwide experience.” J Endovasc Ther 17(2):174-82 Details

    Li ZY, Sadat U, U-King-Im J, Tang TY, Bowden DJ, Hayes PD, Gillard JH (2010), “Association between aneurysm shoulder stress and abdominal aortic aneurysm expansion: a longitudinal follow-up study.” Circulation 122(18):1815-22 Details

    Markar Mrcs SR, Karthikesalingam Mrcs A, Alam Mrcs F, Tang TY, Walsh SR, Sadat U (2010), “Partially or completely absorbable versus nonabsorbable mesh repair for inguinal hernia: a systematic review and meta-analysis.” Surg Laparosc Endosc Percutan Tech 20(4):213-9 Details

    Markar SR, Kutty R, Edmonds L, Sadat U, Nair S (2010), “A meta-analysis of minimally invasive versus traditional open vein harvest technique for coronary artery bypass graft surgery.” Interact Cardiovasc Thorac Surg 10(2):266-70 Details

    Mustafa ST, Sadat U, Majeed MU, Wong CM, Michaels J, Thomas SM (2010), “Endovascular repair of nonruptured thoracic aortic aneurysms: systematic review.” Vascular 18(1):28-33 Details

    Noorani A, Sadat U, Gaunt ME (2010), “Cerebral hemodynamic changes following carotid endarterectomy: 'cerebral hyperperfusion syndrome'.” Expert Rev Neurother 10(2):217-23 Details

    Sadat U, Huguet EL, Varty K (2010), “Abdominal aortic aneurysm surgery in renal, cardiac and hepatic transplant recipients.” Eur J Vasc Endovasc Surg 40(4):443-9 Details

    Sadat U, Li ZY, Young VE, Graves MJ, Boyle JR, Warburton EA, Varty K, O'Brien E, Gillard JH (2010), “Finite element analysis of vulnerable atherosclerotic plaques: a comparison of mechanical stresses within carotid plaques of acute and recently symptomatic patients with carotid artery disease.” J Neurol Neurosurg Psychiatry 81(3):286-9 Details

    Sadat U, Taviani V, Patterson AJ, Young VE, Graves MJ, Teng Z, Tang TY, Gillard JH (2010), “Ultrasmall Superparamagnetic Iron Oxide-enhanced Magnetic Resonance Imaging of Abdominal Aortic Aneurysms-A Feasibility Study.” Eur J Vasc Endovasc Surg Details

    Sadat U, Teng Z, Gillard JH (2010), “Biomechanical structural stresses of atherosclerotic plaques.” Expert Rev Cardiovasc Ther 8(10):1469-81 Details

    Sadat U, Teng Z, Young VE, Graves MJ, Gaunt ME, Gillard JH (2010), “High-resolution Magnetic Resonance Imaging-based Biomechanical Stress Analysis of Carotid Atheroma: A Comparison of Single Transient Ischaemic Attack, Recurrent Transient Ischaemic Attacks, Non-disabling Stroke and Asymptomatic Patient Groups.” Eur J Vasc Endovasc Surg Details

    Sadat U, Teng Z, Young VE, Graves MJ, Gillard JH (2010), “Three-dimensional volumetric analysis of atherosclerotic plaques: a magnetic resonance imaging-based study of patients with moderate stenosis carotid artery disease.” Int J Cardiovasc Imaging Details

    Sadat U, Teng Z, Young VE, Walsh SR, Li ZY, Graves MJ, Varty K, Gillard JH (2010), “Association between biomechanical structural stresses of atherosclerotic carotid plaques and subsequent ischaemic cerebrovascular events--a longitudinal in vivo magnetic resonance imaging-based finite element study.” Eur J Vasc Endovasc Surg 40(4):485-91 Details

    Sadat U, Teng Z, Young VE, Zhu C, Tang TY, Graves MJ, Gillard JH (2010), “Impact of plaque haemorrhage and its age on structural stresses in atherosclerotic plaques of patients with carotid artery disease: an MR imaging-based finite element simulation study.” Int J Cardiovasc Imaging Details

    Sadat U, Walsh SR, Norden AG, Gillard JH, Boyle JR (2010), “Does Oral N-Acetylcysteine Reduce Contrast-Induced Renal Injury in Patients With Peripheral Arterial Disease Undergoing Peripheral Angiography? A Randomized-Controlled Study.” Angiology Details

    Tang TY, Walsh SR, Sadat U, Gillard JH (2010), “Comment on "Advanced carotid plaque imaging".” Eur J Vasc Endovasc Surg 40(1):139; author reply 139-40 Details

    Teng Z, Sadat U, Li Z, Huang X, Zhu C, Young VE, Graves MJ, Gillard JH (2010), “Arterial luminal curvature and fibrous-cap thickness affect critical stress conditions within atherosclerotic plaque: an in vivo MRI-based 2D finite-element study.” Ann Biomed Eng 38(10):3096-101 Details

    Walsh SR, Nouraei SA, Tang TY, Sadat U, Carpenter RH, Gaunt ME (2010), “Remote ischemic preconditioning for cerebral and cardiac protection during carotid endarterectomy: results from a pilot randomized clinical trial.” Vasc Endovascular Surg 44(6):434-9 Details

    Walsh SR, Sadat U, Boyle JR, Tang TY, Lapsley M, Norden AG, Gaunt ME (2010), “Remote ischemic preconditioning for renal protection during elective open infrarenal abdominal aortic aneurysm repair: randomized controlled trial.” Vasc Endovascular Surg 44(5):334-40 Details

    Walsh SR, Tang TY, Cooper DG, Sadat U, Gaunt ME (2010), “Remote ischemic preconditioning will reduce graft-related events after surgical infrainguinal revascularization: evidence-based surgery hypothesis.” Surgery 148(5):1020-1 Details

    Young VE, Patterson AJ, Sadat U, Bowden DJ, Graves MJ, Tang TY, Priest AN, Skepper JN, Kirkpatrick PJ, Gillard JH (2010), “Diffusion-weighted magnetic resonance imaging for the detection of lipid-rich necrotic core in carotid atheroma in vivo.” Neuroradiology 52(10):929-36 Details

    Zhu C, Teng Z, Sadat U, Young VE, Graves MJ, Li ZY, Gillard JH (2010), “Normalized wall index specific and MRI-based stress analysis of atherosclerotic carotid plaques: a study comparing acutely symptomatic and asymptomatic patients.” Circ J 74(11):2360-4 Details


    Bowden DJ, Hayes PD, Sadat U, Choon See T (2009), “Mycotic pseudoaneurysm of the superficial femoral artery in a patient with Cushing disease: case report and literature review.” Vascular 17(3):163-7 Details

    Cadwallader RA, Walsh SR, Cooper DG, Tang TY, Sadat U, Boyle JR (2009), “Great saphenous vein harvesting: a systematic review and meta-analysis of open versus endoscopic techniques.” Vasc Endovascular Surg 43(6):561-6 Details

    Cooper DG, Walsh SR, Sadat U, Hayes PD, Boyle JR (2009), “Treating the thoracic aorta in Marfan syndrome: surgery or TEVAR?” J Endovasc Ther 16(1):60-70 Details

    Cooper DG, Walsh SR, Sadat U, Noorani A, Hayes PD, Boyle JR (2009), “Neurological complications after left subclavian artery coverage during thoracic endovascular aortic repair: a systematic review and meta-analysis.” J Vasc Surg 49(6):1594-601 Details

    Gao H, Long Q, Sadat U, Graves M, Gillard JH, Li ZY (2009), “Stress analysis of carotid atheroma in a transient ischaemic attack patient using the MRI-based fluid-structure interaction method.” Br J Radiol 82 Spec No 1:S46-54 Details

    Li ZY, Sadat U, Gillard JH (2009), “Coronary calcium scoring: calcium location needs to be integrated!” J Am Coll Cardiol 54(8):745; author reply 745-6 Details

    Li ZY, Taviani V, Tang T, Sadat U, Young V, Patterson A, Graves M, Gillard JH (2009), “The mechanical triggers of plaque rupture: shear stress vs pressure gradient.” Br J Radiol 82 Spec No 1:S39-45 Details

    Noorani A, Cooper DG, Walsh SR, Sadat U, Varty K, Boyle JR, Hayes PD (2009), “Comparison of aortomonoiliac endovascular aneurysm repair versus a bifurcated stent-graft: analysis of perioperative morbidity and mortality.” J Endovasc Ther 16(3):295-301 Details

    Noorani A, Walsh SR, Tang TY, Sadat U, Cooper DG, Callaghan CJ, Varty K, Gaunt ME (2009), “Atrial fibrillation following elective open abdominal aortic aneurysm repair.” Int J Surg 7(1):24-7 Details

    Sadat U (2009), “Signaling pathways of cardioprotective ischemic preconditioning.” Int J Surg 7(6):490-8 Details

    Sadat U (2009), “Atheromatous plaque hemorrhage: early detection and its impact on the management of patients with carotid artery disease.” Expert Rev Cardiovasc Ther 7(1):25-7 Details

    Sadat U, Boyle JR, Gillard JH, Hayes PD (2009), “Endovascular repair of infrarenal abdominal aortic aneurysms.” Br J Hosp Med (Lond) 70(3):151-3 Details

    Sadat U, Gillard JH, Varty K (2009), “CD36 modulation in the subintimal trapping and LDL-mediated migration of macrophages.” Expert Rev Cardiovasc Ther 7(6):587-90 Details

    Sadat U, Hayes PD, Kullar PJ, Cousins C, Varty K, Boyle JR (2009), “An emergency EVAR service reduces mortality in ruptured abdominal aortic aneurysms.” Eur J Vasc Endovasc Surg 37(2):189-93 Details

    Sadat U, Li ZY, Graves MJ, Tang TY, Gillard JH (2009), “Noninvasive imaging of atheromatous carotid plaques.” Nat Clin Pract Cardiovasc Med 6(3):200-9 Details

    Sadat U, Weerakkody RA, Bowden DJ, Young VE, Graves MJ, Li ZY, Tang TY, Gaunt ME, Hayes PD, Gillard JH (2009), “Utility of high resolution MR imaging to assess carotid plaque morphology: a comparison of acute symptomatic, recently symptomatic and asymptomatic patients with carotid artery disease.” Atherosclerosis 207(2):434-9 Details

    Tang TY, Muller KH, Graves MJ, Li ZY, Walsh SR, Young V, Sadat U, Howarth SP, Gillard JH (2009), “Iron oxide particles for atheroma imaging.” Arterioscler Thromb Vasc Biol 29(7):1001-8 Details

    Tang TY, Patterson AJ, Miller SR, Graves MJ, Howarth SP, U-King-Im JM, Li ZY, Sadat U, Young VE, Walsh SR, Boyle JR, Gaunt ME, Gillard JH (2009), “Temporal dependence of in vivo USPIO-enhanced MRI signal changes in human carotid atheromatous plaques.” Neuroradiology 51(7):457-65 Details

    Tang TY, Prytherch DR, Walsh SR, Athanassoglou V, Seppi V, Sadat U, Lees TA, Varty K, Boyle JR, Association with the Audit and Research Committee of the Vascular Society of Great Britain & Ireland (2009), “The development of a VBHOM-based outcome model for lower limb amputation performed for critical ischaemia.” Eur J Vasc Endovasc Surg 37(1):62-6 Details

    Tang TY, U-King-Im JM, Walsh SR, Young VE, Sadat U, Li ZY, Patterson AJ, Varty K, Gillard JH (2009), “Invasive and non-invasive modalities of imaging carotid stenosis.” J Cardiovasc Surg (Torino) 50(6):715-25 Details

    Walsh SR, Boyle JR, Tang TY, Sadat U, Cooper DG, Lapsley M, Norden AG, Varty K, Hayes PD, Gaunt ME (2009), “Remote ischemic preconditioning for renal and cardiac protection during endovascular aneurysm repair: a randomized controlled trial.” J Endovasc Ther 16(6):680-9 Details

    Walsh SR, Noorani A, Sadat U, Tang TY, Hayes PD, Boyle JR (2009), “The future of EVAR in the management of ruptured AAAs.” J Endovasc Ther 16 Suppl 1:I127-33 Details

    Walsh SR, Tang TY, Sadat U, Gaunt ME (2009), “Remote ischemic preconditioning in major vascular surgery.” J Vasc Surg 49(1):240-3 Details


    Karthikesalingam A, Walsh SR, Markar SR, Sadat U, Tang TY, Malata CM (2008), “Continuous wound infusion of local anaesthetic agents following colorectal surgery: systematic review and meta-analysis.” World J Gastroenterol 14(34):5301-5 Details

    Karthikesalingam A, Walsh SR, Sadat U, Tang TY, Koraen L, Varty K (2008), “Efficacy of closed suction drainage in lower limb arterial surgery: a meta-analysis of published clinical trials.” Vasc Endovascular Surg 42(3):243-8 Details

    Maggio AQ, Reece-Smith AM, Tang TY, Sadat U, Walsh SR (2008), “Early laparoscopy versus active observation in acute abdominal pain: systematic review and meta-analysis.” Int J Surg 6(5):400-3 Details

    Naik J, Hayes PD, Sadat U, See TC, Cousins C, Boyle JR (2008), “Internal iliac artery branch graft for common iliac artery aneurysm following previous open abdominal aortic aneurysm repair.” Eur J Vasc Endovasc Surg 35(4):436-8 Details

    Noor N, Sadat U, Hayes PD, Thompson MM, Boyle JR (2008), “Management of the left subclavian artery during endovascular repair of the thoracic aorta.” J Endovasc Ther 15(2):168-76 Details

    Sadat U, Boyle JR, Walsh SR, Tang T, Varty K, Hayes PD (2008), “Endovascular vs open repair of acute abdominal aortic aneurysms--a systematic review and meta-analysis.” J Vasc Surg 48(1):227-36 Details

    Sadat U, Chang G, Noorani A, Walsh SR, Hayes PD, Varty K (2008), “Efficacy of TNP on lower limb wounds: a meta-analysis.” J Wound Care 17(1):45-8 Details

    Sadat U, Chang G, Sorani A, Walsh S, Gaunt M (2008), “Carotid artery stenosis: does the world wide web provide sufficient information to these patients?” Vascular 16(2):91-4 Details

    Sadat U, Chaudhuri A, Hayes PD, Gaunt ME, Boyle JR, Varty K (2008), “Five day antibiotic prophylaxis for major lower limb amputation reduces wound infection rates and the length of in-hospital stay.” Eur J Vasc Endovasc Surg 35(1):75-8 Details

    Sadat U, Cooper DG, Gillard JH, Walsh SR, Hayes PD (2008), “Impact of the type of anesthesia on outcome after elective endovascular aortic aneurysm repair: literature review.” Vascular 16(6):340-5 Details

    Sadat U, Dar O, Walsh S, Varty K (2008), “Splenic artery aneurysms in pregnancy--a systematic review.” Int J Surg 6(3):261-5 Details

    Sadat U, Gaunt M (2008), “Current management of varicose veins.” Br J Hosp Med (Lond) 69(4):214-7 Details

    Sadat U, Hayes PD, Gaunt ME, Varty K, Boyle JR (2008), “Assessment of pre-operative delays in the management of elective abdominal aortic aneurysms.” Ann R Coll Surg Engl 90(1):65-8 Details

    Sadat U, Kullar PJ, Noorani A, Gillard JH, Cooper DG, Boyle JR (2008), “Emergency endovascular management of peripheral artery aneurysms and pseudoaneurysms - a review.” World J Emerg Surg 3:22 Details

    Sadat U, Naik J, Hayes PD (2008), “Surgical complications in a hemophilia patient with factor VIII inhibitor and their endovascular management.” Vasc Endovascular Surg 42(2):168-72 Details

    Sadat U, Naik J, Verma P, See TC, Cousins C, Chitnavis JP, Varty K, Gaunt ME (2008), “Endovascular management of pseudoaneurysms following lower limb orthopedic surgery.” Am J Orthop (Belle Mead NJ) 37(5):E99-E102 Details

    Sadat U, Varty K (2008), “Preconditioning or postconditioning in hepatic surgery.” Arch Surg 143(10):1026; author reply 1026 Details

    Sadat U, Walsh SR, Varty K (2008), “Cardioprotection by ischemic postconditioning during surgical procedures.” Expert Rev Cardiovasc Ther 6(7):999-1006 Details

    Sadat U, Ward C, Gillard JH, Gaunt M (2008), “Caval interruption: methods and indications.” Br J Hosp Med (Lond) 69(9):520-3 Details

    Sadat U, Weerakkody R, Varty K (2008), “Thoracic outlet syndrome: an overview.” Br J Hosp Med (Lond) 69(5):260-3 Details

    Walsh SR, Boyle JR, Lynch AG, Sadat U, Carpenter JP, Tang TY, Gaunt ME (2008), “Suprarenal endograft fixation and medium-term renal function: systematic review and meta-analysis.” J Vasc Surg 47(6):1364-1370 Details

    Walsh SR, Tang TY, Sadat U, Naik J, Gaunt ME, Boyle JR, Hayes PD, Varty K (2008), “Endovascular stenting versus open surgery for thoracic aortic disease: systematic review and meta-analysis of perioperative results.” J Vasc Surg 47(5):1094-1098 Details


    Sadat U, Gaunt M (2007), “Physiotherapy as a cause of hypothenar hammer syndrome.” J Hand Surg Eur Vol 32(6):715-6 Details

    Sadat U, Jah A, Ward N, Gaunt M (2007), “Superior epigastric artery pseudoaneurysm--a rare complication of chest drain insertion in coronary artery bypass grafting.” J Cardiothorac Surg 2:21 Details

    Sadat U, Noor N, See TC, Varty K (2007), “Peripheral arterial ischemia by a primary lung tumour invading left atrium.” Lung Cancer 57(2):237-9 Details

    Sadat U, Titchner A, Noor N, Naik J, Boyle JR (2007), “Endovascular repair of a penetrating thoracic aortic ulcer presenting with left recurrent laryngeal nerve palsy.” Vasc Endovascular Surg 41(6):556-8 Details

    Tang T, Walsh SR, Fanshawe TR, Gillard JH, Sadat U, Varty K, Gaunt ME, Boyle JR (2007), “Estimation of physiologic ability and surgical stress (E-PASS) as a predictor of immediate outcome after elective abdominal aortic aneurysm surgery.” Am J Surg 194(2):176-82 Details

    Tang TY, Walsh SR, Fanshawe TR, Seppi V, Sadat U, Hayes PD, Varty K, Gaunt ME, Boyle JR (2007), “Comparison of risk-scoring methods in predicting the immediate outcome after elective open abdominal aortic aneurysm surgery.” Eur J Vasc Endovasc Surg 34(5):505-13 Details

    Walsh SR, Tang T, Sadat U, Dutka DP, Gaunt ME (2007), “Cardioprotection by remote ischaemic preconditioning.” Br J Anaesth 99(5):611-6 Details

    Walsh SR, Tang T, Sadat U, Varty K, Boyle JR, Gaunt ME (2007), “Preoperative glomerular filtration rate and outcome following open abdominal aortic aneurysm repair.” Vasc Endovascular Surg 41(3):225-9 Details