1. Haemodynamic changes in patients with cardiovascular diseases under low-dose spinal anaesthesia during anorectal surgery assessed by impedance cardiography in lithotomy or jack-knife position
  2. Hemodynamic changes after interscalene brachial plexus block depending on its side
  3. Prevalence of acute pain intensity and evaluation of risk factors after elective Percutaneous Coronary Intervention (PCI) in Hospital of Lithuanian University of Health Sciences Kaunas Clinics (LUHSKC)
  4. Prevalence of chronic pain and risk factors after elective percutaneous coronary intervention in hospital of Lithuanian University of Health Sciences Kaunas Clinics