Our Professionals

Mr David Nott MD, FRCS, OBE

nottProfessor David Nott is a Consultant General, Vascular and Emergency Trauma Surgeon. He has been volunteering in conflict zones such as Sierra Leone, the Balkans and Afghanistan for over 20 years now.He visited Syria with Syria Relief last year.It is important to him to pass on this knowledge and has trained countless teams from around the world to be able to perform lifesaving procedures themselves.
David is a gentle and kind man as all who know him readily say. He is a senior surgeon in the UK and has trained many now consultant general and vascular surgeons.

Mr Usman Jaffer

usmanMBBS, BSc (Hons), MSc (Surgery), MSc (Med. Ultrasound), FRCS (Eng), PG Cert Surgical Education, PhD, DIC, FHEA
Usman is a conscientious and caring clinician. He believes in providing as much information as you need to make an informed choice about your care. He has a Masters degree in Medical Ultrasound and can perform a scan at the time of consultation to aid in rapid and accurate diagnosis and decision-making.
Usman treats patients with varicose veins and arterial problems. He also treats general surgical complaints like hernias and lumps and bumps.

Louise Allen

louiceLouise Allen has been a Vascular Nurse Practitioner at St. Mary’s Hospital and Imperial College Healthcare NHS Trust, London, since September 2001, and has been working in vascular nursing for over 19 years. Her vascular experience includes staff nurse and ward sister roles at Charing Cross Hospital, London, and the John Radcliffe Hospital, Oxford. Further to her Registered General Nurse qualification, Louise has a Bachelor of Science honours degree in Physiology, a post-graduate Diploma in Advanced Nursing Practice, and a Master of Science in Advanced Practice. She is also a non-medical prescriber. In addition to her Vascular Nurse Practitioner role, Louise is on the Society of Vascular Nurses (SVN) committee, and the Circulation Foundation committee, the only charity for vascular patients.


Fluent in English, Urdu and Punjabi

Research Interests

Working with a team, Usman has developed simulation and assessment tools for treating medical emergencies and performing medical ultrasound. The team is also developing wearable sensor technology for use in patient care in a ward and operating department setting.


• Sobrevia, L., Jaffer, U., Jacob, R., Mann, G.E. (1996) Changes in intracellular Ca2+ by elevated glucose in human macro- and microvascular endothelium. Intern. J. Microcirculation: Clinical and Experimental 16 (suppl 1), 269P – Abstract

• L. Sobrevia, U. Jaffer, E.H. Meddows, R. Jacob and G.E. Mann. (1997) Effects of elevated D-glucose on intracellular Ca2+ in human macro- and microvascular endothelium. Journal of Physiology, 499.P, 40P – Abstract

• E Ruiz, RCM Siow, U Jaffer, T Ishii & GE Mann (2002) Homocysteine increases proliferation and expression of peroxiredoxin I in normal but not pre eclamptic vascular smooth muscle cells. J Physiol547P PC56 – Abstract

• Jaffer, U., Cameron, A. (2005) A case of claudication in a young man. (British Journal of Hospital Medine. Vol 66 No 10 594).

• Jaffer, U., McAuley, D. (2005) Transthoracic ultrasonography for diagnosis of traumatic pneumothorax. Emergency Medical Journal, 22:504-505

• Jaffer, U., Cameron, A. (2006) Hyperhidrosis: Current management. British Journal of Hospital Medicine, 67:2, 82–84.

• McAuley, D., Jaffer, U. (2006) Terlipressin or sclerotherapy for acute variceal bleeding? Emergency Medical Journal 23:301

• Jaffer, U., McAuley, D., Lewis, D. (2006) The need for chest radiography before initiating non-invasive ventilation: a case report. European. Journal of Emergency Medicine, 13:102-103

• Jaffer, U., Cameron, A. (2006) Fraud and deceit in medical research. International Journal of Surgery Vol 4/2 pp 122-126)

• Jaffer, U., Omer, AR. (2006) Water soluble contrast small bowel follow through in the management of adhesive small bowel obstruction. Emergency Medical Journal, 23:724-726

• U Jaffer, A Omer & S P J Huddy (2006) Comparison of Outcome of End-to-End vs End-to-Side Anastomosis for Right Hemicolectomy. Colorectal Disease, 8 (Suppl. 4), 1–2 – Abstract

• Jaffer, U., Weedon, K., Cameron, AEP. (2007) Factors affecting Outcome following Endoscopic Thoracic Sympathectomy. British Journal of Surgery, Sep;94 (9):1108-12

• Jaffer, U. (2007) Computerised Tomography for Small Bowel Obstruction (2007) Emergency Medical Journal, Nov; 24(11):790-1

• Jaffer, U., Elmagrabi. A., Wilding, R., Cameron, A.E.P. (2008) Audit of patient experience of day case inguinal hernia repair. Hernia. 12(1):79-82

• Jaffer, U., Gourlay, T (2007) Activated Carbon as a Novel Method of Pacifying the Cytokine Storm Seen In the Systemic Inflammatory Response Syndrome (SIRS). Cytokine, Vol. 39, Issue 1 S248 – Abstract

• Jaffer, U., AlBadri, H., Abdullah, TI. (2008) Skin necrosis following Patent Blue V injection for sentinel node detection during Breast Cancer excision: Case report and review of literature. Breast Journal. 2008 Jul 24. PMID: 18657143

• Jaffer U, Aslam M, Standfield N (2008) Impaired Hyperaemic and Rhythmic Vasomotor Response in Type 1 Diabetes Mellitus Patients: A Predictor of Early Peripheral Vascular Disease. European Journal of Vascular and Endovascular Surgery. 35(5):603-6.

• Jaffer U, Moin, T (2008) Perforated Sigmoid Diverticular Disease: Developing a Management Protocol for Laparoscopic Surgery. Journal of the Society of Laparoendoscopic Surgeons. Volume 12, Number 2, April-June 2008 , pp. 188-193(6)

• Jaffer, U., Elmagrabi, A., Cameron, A., Osman, I. (2008) Agreement of community performed ankle brachial pressure indices (ABPI) with vascular laboratory performed assessment. Vascular Disease Management. ISSN: 1553-8036 Volume 5, Issue 2 P71-72

• Jaffer, U., Cameron, AEP (2008) Is laparoscopic Appendectomy an Appropriate operation: Learning Curve of a Junior Trainee. Surgery. Journal of the Society of Laparoendoscopic Surgeons. Jul-Sep;12(3):288-91.

• Jaffer, U., Gourlay, T. (June 2008) Activated Carbon as a Novel Method of Pacifying the Cytokine Storm Seen in the Systemic Inflammatory Response Syndrome (SIRS). British Journal of Surgery Volume 95 Issue S4 , Pages 1 – 33 (Abstract)

• Jaffer, U., Hagmueller, W (2009) Technique for ensuring good corners at top anastomosis for Abdominal Aortic Aneurysm Repair. Annals of the Royal College of Surgeons of England. 91(1):85

• Jaffer, U. (2009) Technique for tying an intra-corporeal laparoscopic slip knot. Canadian Journal of Surgery Vol. 52, No. 2

• Jaffer, U, Aslam, M, Standfield, N (2009) Comparison of Doppler Ultrasound, Photoplethysmographic And Pulse-Oximetric Calculated Pressure Indices To Detect Peripheral Arterial Occlusive Disease – Vascular Disease Management Vol 6, Issue 4:100 – 105

• Jaffer, U., Alyas, F (2009) Letter in response to 9230-The Clinical Scaphoid Fracture: Early CT As A Practical Approach – Annals of Royal College of Surgeons of England 2009; 91: 291

• Jaffer, U., Tsang, T (2009) Low cost laparoscopic paediatric inguinal hernia repair simulator – Annals of the Royal College of Surgeons of England 2009; 91: 515

• Jaffer, U. Pennell, A., Musonda, P (2010) General Surgical Trainee Experiences of Mentoring: A UK regional audit –Journal of Surgical Education Jan-Feb;67(1):19-24.

• Jaffer, U., Aslam, M. (2010) ECG gating is not required for brachial artery flow mediated dilation measurement – Journal of Vascular Ultrasound Volume 34, Number 3, August 2010 , pp. 113-117(5)

• Jaffer, U., Wade, R., Gourlay, T. (2010) Cytokines in the systemic inflammatory response syndrome: A review – HSR Proceedings in Intensive Care and Cardiovascular Anesthesia. 2010; 2: 161-175

• Usman Jaffer, Mohammed Aslam, Nigel John, Nigel Standfield (2011) Second life tele- and multiple-mentoring environment may offer a more rational approach to medical career planning. BMJ 2010; 341:c6968

• Usman Jaffer, Mohammed Aslam, Amina Jaffer , Nigel Standfield, Aaron Pennell (2011) Emergency ultrasound in the prehospital setting. Journal of Paramedic Practice, Vol. 3, Iss. 2, 04 Feb 2011, 83 – 8.

• Jaffer, U, Aslam, M,. Midwinter, M., Standfield, N (2012) Evaluation of rapid training in ultrasound guided tourniquet application skills. International Journal of Surgery; 10(9):563-7. doi: 10.1016/j.ijsu.2012.08.019.

• Jaffer, U., Vaughn-Huxley, John, N., Standfield N., (2012) Medical Mentoring in the evolving World Wide Web. Journal of Surgical Education S1931-7204(12)00177-8. doi:10.1016/j.jsurg.2012.06.024

• Jaffer U, Gibbs R. Mycoticthoracoabdominal aneurysms (2012). Ann CardiothoracSurg; 1(3):417-425. DOI: 10.3978/j.

• Jaffer, U., Najefi, A., Nott, D. Management of infected femoral artery pseudoaneurysm repair: Rectus Abdominis flap as second line after Sartorius flap failure (2012) Journal of Surgical Infection (in press)

• Jaffer U, John NW, Standfield N. (2013) Surgical Trainee Opinions in the United Kingdom Regarding a Three-Dimensional Virtual Mentoring Environment (MentorSL) in Second Life: Pilot Study. JMIR Serious Games 2013;1(1):e2. URL: http://games.jmir.org/2013/1/e2/. doi: 10.2196/games.2822

• Jaffer U, Singh P, Pandey VA, Aslam M, Standfield NJ (2014). Validation of a novel duplex ultrasound objective structured assessment of technical skills (DUOSATS) for arterial stenosis detection. Heart Lung Vessel. 2014;6(2):92-104.

• Jaffer, U, Normahani, P., Singh, P., Aslam, M., Standfield, NJ (2014) The effect of a simulation training package on skill acquisition for Duplex arterial stenosis detection
Journal of Surgical Education (in press).

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