Research & Publications

We are dedicated towards continuous Research

Dr. Anwar Operate

Our Faculty has special enthusiasm for research

Our Team consists of the top Medical Professionals from U.K who have special interest and dedication towards quality research. We believe that innovation in research beholds great potential to do well in the medical field in order to serve the mankind.

Dr Tayyab Close Focus

Read About Our Research & Publications

  • Mykoniatis I, Siddiqi NN, Khan JS. Robotic Low Anterior Resection. Dis Colon Rectum. 2021 Feb 1;64(2):e32-e33. doi:10.1097/DCR.0000000000001893. PMID: 33394772
  • Siddiqi N, Stefan S, Khan J. Robotic APER with Lateral Pelvic Lymph node Dissection. Dis Colon Rectum. 2021 Jan 4;. doi: 10.1097/ DCR.0000000000001943. PMID: 33416221
  • Siddiqi N, Stefan S, Jootun R, Mykoniatis I, Flashman K, Beable R, David G, Khan J. Robotic Complete Mesocolic Excision (CME) is a safe and feasible option for right colonic cancers: short and midterm results from a single-centre experience. Surg Endosc. 2021 Jan 5. doi: 10.1007/s00464-020-08194-z. PMID: 33399993
  • R. Booth, C. Aliozo, A. Mureb, M. Ahmed, A. Clarke, G. Nash, T. Qureshi, N. Siddiqi, A. Parvaiz. Minimally invasive surgery in the COVID‐19 pandemic: An early single centre experience. British Journal of Surgery (BJS). DOI: 10.1002/bjs.11986
  • Inoannis Mykoniatis, Najaf Siddiqi, Jim Khan. Robotic Multivisceral Resection for A Locally Advanced Rectosigmoid Cancer. Colorectal Dis. DOI:10.1111/codi.14972
  • L. Tanno, N. Siddiqi, S. Barbaro, M. Fontana, A. Jayyusi, A. Al Rawashdeh, M. Abu Hilal. Laparoscopic spleen preserving distal pancreatectomy with intra-operative assessment and frozen section may prevent unnecessary splenectomy. DOI: https://doi.org/10.1016/j.hpb.2019.10.1157
  • Standardized approach in robotic Abdominoperineal Resection P Vieira 1, M Tayyab 1, I Nasir 1, L Fernandez 1, H Domingos 1, J Cunha 1, R J Heald 1, N Figueiredo 1, A Parvaiz 2 Colorectal Dis: 2019 Aug;21(8):976.doi: 10.1111/codi.14676. Epub 2019 May 21. PMID: 31062480, DOI: 10.1111/codi.14676
  • Standardised Approach to Robotic Right Colectomy Vieira, Pedro; Tayyab, Muhammad; Domingos, Hugo; Cunha, Jose; Heald, Richard; Figueiredo, Nuno, Parvaiz, Amjad. Fundacao Champalimaud, Colorectal Surgery – Digestive Department; Poole Hospital NHS Foundation Trust, Colorectal Surgery, Colorectal Disease Journal, Apr 8 2018
  • A Tailored Approach to Abdomino-Perineal Resection for Rectal Cancer: Multicentre Analysis of Short Term Outcomes and Impact on Oncological Survival M. Tayyab, H. Zaidi, P. Vieira, T. Qureshi, N. Figueiredo, A. Parvaiz
  • Das, Archik; Hureibi, Khalid; Tayyab, Muhammad; McCullough, Peter “Caecal Cancer presenting as leg erythema and a lung opacity”. BMJ Case Reports 2017; doi:10.1136/bcr-2017-220752

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  • Siddiqi NN, Abuawwad M, Halls M, Rawashdeh A, Giovinazzo F, Aljaiuossi A, Wicherts D, D’Hondt M, Hilal MA. Laparoscopic right posterior sectionectomy (LRPS): surgical techniques and clinical outcomes. Surg Endosc. 2017 Nov 3. doi: 10.1007/s00464-017-5958-2.
  • Martínez-Cecilia D, Fontana M, Siddiqi NN, Halls M, Barbaro S, Abu-Hilal M. Laparoscopic parenchymal sparing resections in segment 8: techniques for a demanding and infrequent procedure. Surg Endosc. 2017 Oct 26. doi: 10.1007/s00464-017-5897-y
  • Siddiqi N, Panteleimonits S, Ahmed J, Kuzu A, Parvaiz A. Role of laparoscopy in multi-visceral resection for colorectal cancer. Colorectal Dis. 2017 Jul;19(7):693-694. doi: 10.1111/codi.13744.
  • Panteleimonitis S, Siddiqi N, Nasir T, Ahmed J, Figueiredo N, Parvaiz A. Robotic lower anterior resection for a re-growth following complete clinical response – a video vignette. Colorectal Dis. 2017 Jul;19(7):694-695. doi: 10.1111/codi.13735
  • Panteleimonitis S, Siddiqi N, Amjad T, Figueiredo N, Parvaiz A. Laparoscopic en bloc total mesorectal excision post chemoradiotherapy – a video vignette. Colorectal Dis. 2017 Jul;19(7):697-698. doi: 10.1111/codi.13729.
  • Sutton AJ, Vohra RS, Hollyman M, Marriott PJ, Buja A, Alderson D, Pasquali S, Griffiths EA, Siddiqi N and CholeS Study Group and the West Midlands Research Collaborative. Cost-effectiveness of emergency versus delayed laparoscopic cholecystectomy for acute gallbladder pathology. Br J Surg. 2017 Jan;104(1):98-107. doi: 10.1002/bjs.10317. Epub 2016 Oct 20.
  • CholeS Study Group and the West Midlands Research Collaborative. Population-based cohort study of outcomes following cholecystectomy for benign gallbladder diseases. Br J Surg. 2016 Nov;103(12):1704-1715. doi: 10.1002/bjs.10287. Epub 2016 Aug 26.
  • CholeS Study Group and the West Midlands Research Collaborative. Population-based cohort study of variation in the use of emergency cholecystectomy for benign gallbladder disease. Br J Surg. 2016 Nov;103(12):1716-1726. doi: 10.1002/bjs.10288. Epub 2016 Oct 17.
  • Sutton AJ, Vohra RS, Hollyman M, Marriott PJ, Buja A, Alderson D, Pasquali S, Griffiths EA, Choles Study Group. Cost-effectiveness of emergency versus delayed laparoscopic cholecystectomy for acute gallbladder pathology. BJS. Jan 2017 104(1). 98-107
  • Sutcliffe RP, Hollyman M, Hodson J, Bonney G, Vohra RS, Griffiths EA, Choles Study Group, West Midlands Research Collaborative. Preoperative risk factors for conversion from laparoscopic to open cholecystectomy: a validation risk score derived from a prospective UK database of 8820 patients. HPB (Oxford). Nov 2016; 18(11): 922-928
  • Choles Study Group. Population-based cohort study of variation in the use of emergency cholecystectomy for benign gallbladder diseases. BJS. Nov 2016 103(12). 1716-1726
  • Choles Study Group. Population-based cohort study of outcomes following cholecystectomy for benign gallbladder diseases. BJS. Nov 2016 103(12). 1704-1715
  • Robert P. Sutcliffe, Marianne Hollyman, James Hodson, Glenn Bonney, Ravi S. Vohra, Ewen A Griffiths, N Siddiqi and the CholeS study group, West Midlands Research Collaborative. Preoperative risk factors for conversion from laparoscopic to open cholecystectomy: a validated risk score derived from a prospective U.K. database of 8820 patients. HPB (Oxford) 2016 Nov; 18(11): 922–928. doi: 10.1016/j.hpb.2016.07.015
  • Ahmed J, Siddiqi N, Khan L, Kuzu A, Parvaiz A. Standardised Technique For Single Docking Robotic Rectal Surgery. Colorectal Disease 2016 Oct;18(10):O380-O384. doi: 10.1111/codi.13466
  • Siddiqi N, Abbas M, Iqbal Z, Farooq M, Conti J, Parvaiz A. Benefit of rectal washout for anterior resection and left sided resections. Int J Surg 2016 Jan;25:106-8. doi: 10.1016/j.ijsu.2015.11.041. Epub 2015 Nov 25
  • N. Siddiqi, Q Zaman, K. Patel, J. Khan, A. Parvaiz. Laparoscopic colorectal surgery outcomes for patients with previous abdominal surgery. Journal of minimal invasive surgery August 2015.
  • Ahmad A, Saha P, Evans C, Thurison T, Hoyer-Hansen G, Patel A, Modarai B, Smith A. The soluble urokinase plasminogen activator receptor and its fragments in venous ulcers. Journal of Vascular surgery; Venous and Lymphatic disorders. Apr 2015 3(2) 190-197.
  • H. Khattak, N. Siddiqi, A. Parvaiz, S. George, K. Flashman. A comparative study assessing the quality of life and bowel function in patients following laparoscopic and open anterior resection for rectal cancer. Annals Of Medicine and Surgery. DOI:http://dx.doi.org/10.1016/j.amsu.2014.02.004
  • Tayyab M, Razack A, Sharma A, Gunn J, Hartley JE Does tumour size matter? Correlation of rectal tumour volumes with oncological outcomes in low rectal cancers. Surg Today. 2015 Jul;45(7):826-33. doi:10.1007/s00595-014-1068-0. Epub 2014 Nov 7.
  • Odermatt M, Siddiqi N, Johns R, Miskovic D, Khan O, Khan J, Parvaiz A. The short and long-term outcomes for patients with splenic flexure tumours treated by left versus extended right colectomy are comparable: a retrospective analysis. SurgeryToday. 2013 Dec 4. [Epub ahead of print]
  • Odermatt M, Miskovic D, Siddiqi N, Khan J, Parvaiz A. Short- and Long-term Outcomes After Laparoscopic Versus Open Emergency Resection for Colon Cancer: An Observational Propensity Score-matched Study. World J Surg. 2013 Oct;37(10):2458-67. doi: 10.1007/s00268-013-2146-y
  • Ahmad A, Sajjanshetty M, Mandal A, Hamilton H. Early arteriovenous fistula after radiofrequency ablation of long saphenous vein. Phlebology. 2013 Dec:28(8);438
  • Saha P, Andia ME, Modarai B, Blume U, Humphries J, Patel AS, Phinikaridou A, Evans CE, Mattock K, Grover SP, Ahmad A, Lyons OT, Attia RQ, Renne T, Premaratne S, Wiethoff AJ, Botnar RM, Schaeffter T, Waltham M, Smith A. Magetic resonance T1 relaxation time of venous thrombus is determined by iron processing and predicts susceptibility to lysis. Circulation. 2013 Aug 13; 128(7) 729
  • Tayyab M, Sharma A, Macdonald AW, Gunn J, Hartley JE, Monson JR. Prognostic significance of lymph node ratio in patients undergoing abdominoperineal resection of rectum. Langenbecks Arch Surg. 2012 Oct;397(7):1053-7. doi: 10.1007/s00423-012-0986-9. Epub 2012 Aug 9. PMID:22875223
  • Tayyab M, Sharma A, Ragg JL, Macdonald AW, Gunn J, Hartley JE, Monson JR. Evaluation of the impact of implementing the prone jackknife position for the perineal phase of abdominoperineal excision of the rectum. Dis Colon Rectum. 2012 Mar;55(3):316-21. doi:1097/DCR.0b013e31823e2424. PMID:22469799
  • Mehmood S, Anwar S, Ahmed J, Tayyab M, O’Regan D. Surgeon.A survey of UK surgical trainees and trainers; latest reforms well understood but perceived detrimental to surgical training. 2012 Feb;10(1):9-15. doi: 10.1016/j.surge.2010.12.001. Epub 2011 Feb 1. PMID:22233551
  • Evans CE, Humphries J, Waltham M, Saha P, Mattock K, Patel A, Ahmad A, Wadoodi A, Modarai B, Rahman S, Patel Y, Smith A. Protein fragments from the VEGF binding domain of fibronectin are expressed in distinct spatial and temporal patterns during venous thrombus resolution. Thromb Res. 2012 Aug; 130(2)281
  • Ahmad A, Saunders SMF. Emergency general surgery as a new speciality. BMJ. July 2012
  • Patel SD, Humphries J, Mattock K, Wadoodi A, Modarai B, Ahmad A, Burnand KG, Waltham M, Smith A. Hematopoietic Progenitor Cells and Restenosis after Carotid Endartrectomy. Stroke. 2012 Jun;43(6):1663
  • Evans CE, Humphries J, Waltham M, Saha P, Mattock K, Patel A, Ahmad A, Wadoodi A, Modarai B, Burnand K, Smith A. Adenoviral delivery of constitutively active HIF1alpha into venous thrombus. Thrombosis Research. 2012 Jun;129(6):812
  • Siddique k, Siddiqi N, Sedman P. Use of Johan forceps as endoloop pushers for laparoscopic appendicectomy. Ann R Coll Surg Engl. 2012 Oct;94(7):533-4. doi: 10.1308/003588412X13373405387050f
  • Evans CE, Humphreis J, Waltham M, Saha P, Mattock K, Patel A, Ahmad A, Wadoodi A, Modarai B, Burannd K, Smith A. Upregulation of hypoxia-inducible factor 1 alpha in local vein wall is associated with enhanced venous thrombus resolution. Thromb Res. 2011 Oct;128(4):346-51
  • Evans CE, Mattock K, Humphries J, Saha P, Ahmad A, Waltham M, Patel A, Modarai B, Porter L, Premaratne S, Smith A. Techniques of assessing hypoxia at the bench and bedside. Angiogenesis. 2011 May; 14(2):119-24
  • Saha P, Humphries J, Mattock K, Modarai B, Waltham M, Evans C, Ahmad A, Patel A, Smith A. Leukocytes and the natural history of deep vein thrombosis: current concepts and future directions. Arteriosclerosis, Thrombosis, and Vascular Biology. 2011 Mar;31(3):506-12
  • Ullah S, Tayyab M, Arsalani-Zadeh R, Duthie GS.Injectable anal bulking agent for the management of faecal incontinence. J Coll Physicians Surg Pak. 2011 Apr;21(4):227-9. doi: 04.2011/JCPSP.227229. PMID:21453620
  • Tayyab M, MacDonald AW, Sadia M, Hunter IA, Duthie GS.Transanal resection of a rectal polyp using the contour Transtar gun. Colorectal Dis. 2011 Apr;13(4):e67-8. doi: 10.1111/j.1463-1318.2010.02259.x. PMID:20236145
  • Ahmad A, Modarai B, Saha P, Burnand K. Renal Transplantation after excision of the inferior vena cava for residual renal cell carcinoma. Phlebology. 2010;25(2):100-2
  • Tayyab M, Arsalani-Zadeh R, Ullah S, Mehmood S, Waudby P, Duthie GS. Sacral neuromodulation for the treatment of faecal incontinence in a patient with organophosphate poisoning. Tech Coloproctol. 2010 Dec;14(4):357-8. doi: 10.1007/s10151-010-0618-8. Epub 2010 Aug 4. PMID:20683747
  • West NP, Anderin C, Smith KJ, Holm T, Lindholm J, Laurberg S, Hagemann-Madsen, R, Monson JR, Tayyab M, Macdonald A, Daniels IR, Mahadavan L, Chandler I, Moran BJ, Heald RJ, Shihab OC, Chave HS, Branagan G, Finan PJ, Burke DA, Baker RP, Garcia-Granero E, Navarro S, Steele RJ, Carey FA, Quirke P. Multicentre experience with extralevator abdominoperineal excision for low rectal cancer. Br J Surg. 2010 Apr;97(4):588-99. doi: 10.1002/bjs.6916. PMID:20186891
  • MacDonald AW, Tayyab M, Arsalani-Zadeh R, Hartley JE, Monson JR. Intramucosal carcinoma on biopsy reliably predicts invasive colorectal cancer. Ann Surg Oncol. 2009 Dec;16(12):3267-70. doi: 10.1245/s10434-009-0727-7. Epub 2009 Oct 10. PMID:19820998
  • S. Gopakumar, B. Kumar, J. Ahmed, N. Siddiqi, S. Mehmood and P.J. Moore. Day case surgery training for surgical trainees; a disappearing act? doi:10.1016/j.ijsu.2009.11.012.
  • Mallick IH, Siddiqi NN, Kaur G. Colorectal anastomosis using the circular stapler. Reservations. Ann R Coll Surg Engl. 2009 May;91(4):356-7.
    Ahmad A, Jamieson T, Balsitis M, Diament R. Radiation Induced Angiosacroma of Rectum: A case report and literature review. Colorectal dis. 2008 Oct; 10(8):847-8
  • Karkos P, Ahmad A, Hargreaves A, Sivaji N. Drainage of paraphyrangeal abscess with modified needle, Int J Paediatr Otorhinolaryngol. 2007;71:184
    Rustom IK, Jebreel A, Tayyab M, England RJ, Stafford ND. Percutaneous endoscopic, radiological and surgical gastrostomy tubes: a comparison study in head and neck cancer patients. J Laryngol Otol. 2006 Jun;120(6):463-6. PMID:16772054
  • Rustom IK, Jebreel A, Tayyab M, England RJ, Stafford ND. Percutaneous endoscopic, radiological and surgical gastrostomy tubes: a comparison study in head and neck cancer patients. J Laryngol Otol. 2006 Jun;120(6):463-6. PMID:16772054
  • Ahmad A, Aniq H. Complete Rupture of Distal Bicep Tendon. Eurorad 2005:10.1594/EURORAD/CASE4110
  • Ahmad A, Sajjanshetty M, Mandal A, Hamilton H. Early arteriovenous fistula after radiofrequency ablation of long saphenous vein. Phlebology. 2013 Dec:28(8);438
  • Saha P, Andia ME, Modarai B, Blume U, Humphries J, Patel AS, Phinikaridou A, Evans CE, Mattock K, Grover SP, Ahmad A, Lyons OT, Attia RQ, Renne T, Premaratne S, Wiethoff AJ, Botnar RM, Schaeffter T, Waltham M, Smith A. Magetic resonance T1 relaxation time of venous thrombus is determined by iron processing and predicts susceptibility to lysis. Circulation. 2013 Aug 13; 128(7) 729
  • Evans CE, Humphries J, Waltham M, Saha P, Mattock K, Patel A, Ahmad A, Wadoodi A, Modarai B, Rahman S, Patel Y, Smith A. Protein fragments from the VEGF binding domain of fibronectin are expressed in distinct spatial and temporal patterns during venous thrombus resolution. Thromb Res. 2012 Aug; 130(2)281
  • Ahmad A, Saunders SMF. Emergency general surgery as a new speciality. BMJ. July 2012

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