Skip to main content

Upper Gastrointestinal and Hepatopancreatobiliary Surgery

We care for patients with conditions affecting the upper gastrointestinal tract, liver, pancreas and biliary tract system.

What we do

Upper Gastrointestinal (UGI) surgeons assess and provide surgical care for adult patients with diseases of the oesophagus and stomach, and perform bariatric procedures. 

UGI conditions

  • GORD
  • Hiatus hernia
  • Barrett's oesophagus
  • Achalasia
  • Oesophageal and gastric tumours
  • Morbid obesity.

Hepatopancreatobiliary (HPB) surgeons manage all surgical care associated with the pancreas, liver, gall bladder and bile duct. 

Common HPB conditions

  • Gallstone disease
  • Biliary obstruction
  • Liver, pancreas and biliary tract tumours.

Where to find us

UGI and HPB Surgery Unit is located in Tower block, Level 6A.

Inpatients are usually cared for in South Building 2 ward.

UGI and HPB Outpatients is located in Outpatients building, Ground Floor, Area 1.

Who we are

Consultants

  • Dr Markus Trochsler – Head of Unit
  • Dr Vijay Abrahm
  • Dr Adrian Anthony
  • A/Prof Martin Bruening
  • A/Prof Harsh Kanhere
  • Dr Li Lian Kuan
  • Prof Guy Maddern
  • Dr Shalvin Prasad.

Oesophageal Function Laboratory

  • Dr Jenny Myers, PhD - Clinical Scientist

This page was last updated 13 May 2025.

Once your referral has been received it will be triaged according to clinical urgency.

If your referral is accepted, you will either:

  • receive a letter, phone call or text message confirming your appointment time, date and location
  • receive a letter confirming you have been waitlisted for an appointment.

If the referral is declined, your GP or referring medical practitioner will be notified.

Outpatient services

Find out information about specialist outpatient appointments, how to be referred, plus information when attending an outpatient clinic.

Your outpatient appointment

Contact us to:

  • change your appointment time
  • cancel your appointment
  • find out triage status
  • general outpatient enquiries.

If you need to cancel or change your appointment time, let us know as soon as possible.

Preparing for surgery

The healthier you are going into surgery, the stronger you will be coming out. Find tips and resources to help you get ready for surgery.

This page was last updated 13 May 2025.

eReferrals and referrals via emails are preferred.

Use the Clinical Prioritisation Criteria (CPC) as a referral guide.

To ensure timely triage, include all demographic and clinical details.

The service triages referrals according to clinical urgency.

Urgent and serious referrals

If you are concerned about the appointment being delayed or if the patient's condition is deteriorating, contact the registrar to discuss. 

Registrars are on call 24 hours a day, 7 days a week.

Patients requiring immediate assessment should be sent directly to the Emergency Department.

Discharge guidelines

Patients whose medical condition has stabilised or resolved, and where no further appointment has been made, will be formally discharged. If medical assessment is required again, a new referral should be made explaining the reason.

Oesophageal Function Laboratory

The Oesophageal Function Laboratory is responsible for the diagnostic testing and evaluation oesophageal function, including:

  • oesophageal manometry for oesophageal muscle and sphincter function
  • ambulatory monitoring for gastro-oesophageal reflux, including
    • 24 hour acid reflux (pH) testing
    • multi-channel pH testing for supra-oesophageal symptoms
    • combined bile and acid reflux monitoring for 24 hours.

Contact the laboratory directly for referrals and requests.

This page was last updated 13 May 2025.

Research interests

  • Oesophageal surgical margins
  • Long-term predictors of liver resections
  • Australian surgical mortality outcomes
  • Oesophageal motility
  • Surgical coaching
  • Non-technical surgical skills
  • Sterile cockpit on ward rounds
  • Molecular markers of colorectal cancer metastasis
  • Surgical Guidelines
  • Hernia mesh integration.

This page was last updated 13 May 2025.

This page was last updated 13 May 2025.

Back to top