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Vascular/Transplantation Surgery

Unit Head: Mr Alan Saunder
Telephone: 9594 5503
Supervisors: Mr Alan Saunder and Mr Ming Kon Yii

  • Combined Kidney and Pancreas Transplantation for Type I Diabetics with End-Stage Renal Failure
    Following kidney and pancreas transplantation, patients have improved renal function and no longer require insulin to control diabetes. The transplanted pancreas may drain into the bladder or small bowel. This study would examine the differences (clinically, biochemically and immunologically) between these different methods of pancreas transplant exocrine management.
  • Carotid Surgery for Stroke Prevention
    Internal carotid artery thromboendarterectomy to prevent strokes in patients with critical stenoses is a high volume procedure in vascular surgery. Complications of stroke, death and cranial nerve damage are markers of the quality of surgery. This study is to audit the outcome of 100 consecutive carotid operations and devise strategies to improve efficiency of this procedure.
  • Carotid Angioplasty and Stent
    A new technique to treat carotid stenosis requires an endovascular intervention by balloon angioplasty and stenting. An audit of the indications, outcome and complications of the last 25 cases will be conducted.
  • The Effectiveness of Different Endo-Vascular Interventions
    Major technological advances have obviated the need for peripheral bypass surgery for many patients. We have a long experience in the introduction of new technology to vascular surgery. The aim of this project is to analyse the outcome of percutaneous vascular procedures for occlusive vascular disease at a patient and limb level, particularly with respect to efficacy, durability and cost-effectiveness.
  • The Impact of Endosurgery on Aortic Aneurysm Repair
    The advent of endovascular technology allows aortic aneurysms to be controlled by percutaneous techniques. This study will analyse pathophysiological and patient perceived differences between endovascular and traditional open surgical techniques of aneurysm repair.
  • Endoluminal Stent Graft Repair of Aortic Aneurysms
    This project is essentially a review of abdominal aortic aneurysm repair by stent grafting since its inception in late 1994. The main thrust of the project will involve review of all the patients that the vascular unit has been involved in throughout this period of time including patients in the private sector by the same group of surgeons. Apart from general review of the experience over the last 10 years, this project will also analyse various factors such as the use of balloon expandable stents to reduce endo leak proximally, the role of coiling in the reduction of endo leak and downward displacement of the stent graft over time, the effect o internal iliac coiling and risk factors associated with buttock ischaemia and lastly the effects of wide i.e. ectatic iliac arteries with enlarged bottom extension graft.
  • Varicose Vein Project
    This project involves analysis of all the Doppler ultrasound findings in varicose vein and correlation with the clinical presentation and outcome of surgery.
  • CT Angiogram Comparison with Digital Subtraction Angiography in Failing Arterio-Venous Fistula for Haemodialysis Access
    This project is in collaboration with the Renal Unit and the Radiology Unit. This prospective study will include 50 patients recruited fairly quickly. There is very little data from current literature to support the use of CT angiogram in arterio-venous fistula monitoring of failing AV fistula. This study will give us an indication of usefulness of CT in comparison to standard digital subtraction angiography.