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Prof. Dr. Antanas Mickevicius image

Department of bariatric surgery (weight loss surgery)

Prof. Dr. Antanas Mickevicius
general surgery, bariatric surgery

About the department

The department of bariatric surgery (weight loss surgery) at Kardiolita Hospital Vilnius is a centre providing dietology and nutrition disorder treatment services. Before prescribing treatment, the medical team conducts a comprehensive diagnostic examination of the patient. Since obesity can be a consequence of diseases of the cardiovascular system, the endocrine system and psychological disorders, doctors use the department's modern possibilities for an accurate diagnosis. Highly-qualified doctors measure the patient's body mass index and conduct ultrasound, x-ray and functional examinations. During an individual consultation, the doctor discusses possible treatment options with the patient. The treatment regimen is selected by an interdisciplinary team including gastroenterologists, endocrinologists, nutritionists, surgeons and physiotherapists. Initially, specialists recommend lifestyle modification, diet therapy, and conservative drug treatment to combat obesity. In complicated cases, the department's surgeons offer the full range of surgical interventions.

The department specializes in treating patients with hormonal disorders, genetic predisposition, metabolic syndrome, sedentary lifestyle and malnutrition. Bariatric surgeries include gastric volume reduction and gastric bypass surgery. Patients can expect to lose 40% to 100% of their excess body weight during the first two years after surgery. Many medical conditions associated with obesity (hypertension, diabetes, sleep apnea) usually improve after weight loss surgery.

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Treatment and diagnostic focus of the department


  • Obesity
  • Anorexia, bulimia
  • Metabolic syndrome
  • Elevated cholesterol levels
  • Diabetes
  • Hormonal diseases
  • Menopausal obesity
  • Genetic pathologies


  • Anamnesis 
  • Clinical examination 
  • Body mass index (a measure of body fat)
  • Measures of the blood pressure 
  • A diabetes screening
  • Endoscopic procedures (gastroscopy) 
  • Ultrasound examination 
  • Abdominal computed tomography (CT) 
  • Magnetic resonance imaging (MRI) 
  • Lipid profile (to find abnormalities in lipids, such as cholesterol and triglycerides)
  • Hormone panel (to detect and evaluate hormone imbalances)


  • Pharmacotherapy 
  • Diet therapy 
  • Endoscopic procedures
  • Vertical sleeve gastrectomy (VSG)
  • Gastric bypass
  • Mini-gastric bypass 
  • Adjustable gastric banding (AGB)
  • Roux-En-Y gastric bypass (RYGB)
  • Jejunoileal bypass 
  • Intensive behavioural intervention
  • Prescriptive nutritional intervention 
  • Other treatment procedures
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Doctor profile


  • Trained in bariatric surgery at the Sahlgrenska university hospital, Gothenburg, Sweden
  • Advanced bariatric surgery training at Whittington hospital, London, UK


  • Consultant Upper GI and bariatric surgeon in Lithuania and the United Kingdom
  • Lead bariatric and upper GI surgeon at Kauno Klinikos university hospital and Kardiolita Hospital
  • Consultant bariatric surgeon at Royal Stoke University hospital, Stoke on Trent, UK

Awards, memberships, publications

  • Lithuanian Society of Bariatric and Metabolic Surgery
  • International Federation of Surgery for Obesity
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