Tomi T Niemi

Summary

Affiliation: Helsinki University Central Hospital
Country: Finland

Publications

  1. ncbi request reprint [Antithrombotic medication as prophylaxis of thromboembolism in surgery patients]
    Tomi Niemi
    HYKS n anestesiologian ja tehohoidon klinikka, HUS
    Duodecim 120:1325-32. 2004
  2. doi request reprint Whole blood hypercoagulability despite anticoagulation during mechanical cardiac assist
    T T Niemi
    Departments of Anesthesiology and Intensive Care Medicine, Helsinki University Hospital, Helsinki, Finland
    Perfusion 23:107-10. 2008
  3. ncbi request reprint Haemodynamics and acid-base equilibrium after cardiac surgery: comparison of rapidly degradable hydroxyethyl starch solutions and albumin
    T Niemi
    Department of Anaesthesiology and Intensive Care Medicine, Helsinki University Hospital, Meilahti Hospital, Helsinki, Finland
    Scand J Surg 97:259-65. 2008
  4. doi request reprint The Janus face of thromboprophylaxis in patients with high risk for both thrombosis and bleeding during intracranial surgery: report of five exemplary cases
    Tomi Niemi
    Department of Anesthesiology and Intensive Care Medicine, Helsinki University Central Hospital, PO Box 266, 00029 Helsinki, Finland
    Acta Neurochir (Wien) 151:1289-94. 2009
  5. ncbi request reprint Single-injection brachial plexus anesthesia for arteriovenous fistula surgery of the forearm: a comparison of infraclavicular coracoid and axillary approach
    Tomi T Niemi
    Department of Anesthesiology and Intensive Care Medicine, Helsinki University Hospital, Helsinki, Finland
    Reg Anesth Pain Med 32:55-9. 2007
  6. ncbi request reprint The effect of N-acetylcysteine on blood coagulation and platelet function in patients undergoing open repair of abdominal aortic aneurysm
    Tomi T Niemi
    Department of Anaesthesiology and Intensive Care Medicine, Helsinki University Central Hospital, Finland
    Blood Coagul Fibrinolysis 17:29-34. 2006
  7. ncbi request reprint Red blood cell transfusions in patients undergoing lower extremity artery bypass surgery
    T T Niemi
    Department of Anesthesiology and Intensive Care Medicine, Helsinki University Central Hospital, Finland
    Scand J Surg 95:39-43. 2006
  8. ncbi request reprint Gelatin and hydroxyethyl starch, but not albumin, impair hemostasis after cardiac surgery
    Tomi T Niemi
    Department of Anesthesiology and Intensive Care Medicine, Helsinki University Hospital, Meilahti Hospital, Helsinki, Finland
    Anesth Analg 102:998-1006. 2006
  9. ncbi request reprint Comparison of ropivacaine 2 mg ml(-1) and prilocaine 5 mg ml(-1) for i.v. regional anaesthesia in outpatient surgery
    T T Niemi
    Department of Anaesthesiology and Intensive Care Medicine, Helsinki University Hospital Helsinki, Finland
    Br J Anaesth 96:640-4. 2006
  10. ncbi request reprint Albumin induced hypercoagulability does not reduce blood loss in patients undergoing total hip arthroplasty
    T T Niemi
    Department of Anaesthesiology and Intensive Care Medicine, Helsinki University Central Hospital, Finland
    Scand J Surg 94:227-32. 2005

Detail Information

Publications22

  1. ncbi request reprint [Antithrombotic medication as prophylaxis of thromboembolism in surgery patients]
    Tomi Niemi
    HYKS n anestesiologian ja tehohoidon klinikka, HUS
    Duodecim 120:1325-32. 2004
  2. doi request reprint Whole blood hypercoagulability despite anticoagulation during mechanical cardiac assist
    T T Niemi
    Departments of Anesthesiology and Intensive Care Medicine, Helsinki University Hospital, Helsinki, Finland
    Perfusion 23:107-10. 2008
    ..Our results suggest that hypercoagulability is due to excess fibrin formation. Monitoring anticoagulation using APTT may, therefore, be misleading during mechanical cardiac assist...
  3. ncbi request reprint Haemodynamics and acid-base equilibrium after cardiac surgery: comparison of rapidly degradable hydroxyethyl starch solutions and albumin
    T Niemi
    Department of Anaesthesiology and Intensive Care Medicine, Helsinki University Hospital, Meilahti Hospital, Helsinki, Finland
    Scand J Surg 97:259-65. 2008
    ..We conducted a prospective, randomized, open-label study comparing haemodynamics and acid-base equilibrium after infusion of two rapidly degradable hydroxyethyl starch (HES) solutions or human albumin (HA) to cardiac surgical patients...
  4. doi request reprint The Janus face of thromboprophylaxis in patients with high risk for both thrombosis and bleeding during intracranial surgery: report of five exemplary cases
    Tomi Niemi
    Department of Anesthesiology and Intensive Care Medicine, Helsinki University Central Hospital, PO Box 266, 00029 Helsinki, Finland
    Acta Neurochir (Wien) 151:1289-94. 2009
    ..The antithrombotic agents are usually interrupted in fear of bleeding complications before neurosurgery. However, the optimal schematic regimen of substitutive medication to prevent thromboembolic events after surgery is unsettled...
  5. ncbi request reprint Single-injection brachial plexus anesthesia for arteriovenous fistula surgery of the forearm: a comparison of infraclavicular coracoid and axillary approach
    Tomi T Niemi
    Department of Anesthesiology and Intensive Care Medicine, Helsinki University Hospital, Helsinki, Finland
    Reg Anesth Pain Med 32:55-9. 2007
    ....
  6. ncbi request reprint The effect of N-acetylcysteine on blood coagulation and platelet function in patients undergoing open repair of abdominal aortic aneurysm
    Tomi T Niemi
    Department of Anaesthesiology and Intensive Care Medicine, Helsinki University Central Hospital, Finland
    Blood Coagul Fibrinolysis 17:29-34. 2006
    ..NAC has anticoagulant and platelet-inhibiting properties in patients undergoing major vascular surgery. This abnormal haemostatic activity should be considered when NAC is administered to patients with increased bleeding risk...
  7. ncbi request reprint Red blood cell transfusions in patients undergoing lower extremity artery bypass surgery
    T T Niemi
    Department of Anesthesiology and Intensive Care Medicine, Helsinki University Central Hospital, Finland
    Scand J Surg 95:39-43. 2006
    ..The purpose of this study was to search predictors of red blood cell transfusions in peripheral vascular surgical patients...
  8. ncbi request reprint Gelatin and hydroxyethyl starch, but not albumin, impair hemostasis after cardiac surgery
    Tomi T Niemi
    Department of Anesthesiology and Intensive Care Medicine, Helsinki University Hospital, Meilahti Hospital, Helsinki, Finland
    Anesth Analg 102:998-1006. 2006
    ..The greatest impairment in hemostasis was seen after hydroxyethyl starch administration, whereas albumin appeared to have the least effect on hemostatic variables...
  9. ncbi request reprint Comparison of ropivacaine 2 mg ml(-1) and prilocaine 5 mg ml(-1) for i.v. regional anaesthesia in outpatient surgery
    T T Niemi
    Department of Anaesthesiology and Intensive Care Medicine, Helsinki University Hospital Helsinki, Finland
    Br J Anaesth 96:640-4. 2006
    ..5%) after i.v. regional anaesthesia (IVRA). Whether ropivacaine 2 mg ml(-1) also exerts this advantage over prilocaine 5 mg ml(-1), the local anaesthetic of choice in IVRA in most European countries was investigated in this study...
  10. ncbi request reprint Albumin induced hypercoagulability does not reduce blood loss in patients undergoing total hip arthroplasty
    T T Niemi
    Department of Anaesthesiology and Intensive Care Medicine, Helsinki University Central Hospital, Finland
    Scand J Surg 94:227-32. 2005
    ..While the effects are also dependent on haemodilution we minimized it by early structured transfusion therapy, and compared albumin and HES regarding blood loss and coagulation parameters in hip arthroplasty patients...
  11. doi request reprint Thromboprophylactic management in the neurosurgical patient with high risk for both thrombosis and intracranial bleeding
    Tomi Niemi
    Department of Anesthesiology and Intensive Care Medicine, Helsinki University Central Hospital, Finland
    Curr Opin Anaesthesiol 23:558-63. 2010
    ..The pharmacologic thromboprophylaxis, as well as temporary interruption of antithrombotic drugs because of surgery, and possible use of substitutive medication ('bridging therapy') are reviewed...
  12. ncbi request reprint Artificial colloids impair haemostasis. An in vitro study using thromboelastometry coagulation analysis
    T T Niemi
    Department of Anaesthesiology and Intensive Care Medicine, Helsinki University Central Hospital, Helsinki, Finland
    Acta Anaesthesiol Scand 49:373-8. 2005
    ..Munich, Germany) in serial in vitro haemodilutions of colloids...
  13. doi request reprint Rapidly degradable hydroxyethyl starch solutions impair blood coagulation after cardiac surgery: a prospective randomized trial
    Alexey A Schramko
    Department of Anesthesiology and Intensive Care Medicine, Helsinki University Hospital, Meilahti Hospital, Helsinki, Finland
    Anesth Analg 108:30-6. 2009
    ..Because the risk of bleeding is increased after cardiopulmonary bypass, we examined whether these types of HES solutions could be administered after cardiac surgery without an alteration of coagulation...
  14. ncbi request reprint N-acetylcysteine for the prevention of kidney injury in abdominal aortic surgery: a randomized, double-blind, placebo-controlled trial
    Marja S Hynninen
    Department of Anesthesia and Intensive Care Medicine, Helsinki University Hospital, Helsinki, Finland
    Anesth Analg 102:1638-45. 2006
    ....
  15. doi request reprint Comparison of the effect of 6% hydroxyethyl starch and gelatine on cardiac and stroke volume index: a randomized, controlled trial after cardiac surgery
    Alexey A Schramko
    Department of Anaesthesiology and Intensive Care Medicine, Helsinki University Central Hospital, Meilahti Hospital, Helsinki, Finland
    Perfusion 25:283-91. 2010
    ..The objective of this study was to find out the effect of various doses of hydroxyethyl starch (HES), gelatine or Ringer's acetate on cardiac and stroke volume index after cardiac surgery...
  16. doi request reprint An evaluation of the epidural catheter position by epidural nerve stimulation in conjunction with continuous epidural analgesia in adult surgical patients
    Johannes G Förster
    Department of Anesthesiology and Intensive Care Medicine, Helsinki University Hospital, Helsinki, Finland
    Anesth Analg 108:351-8. 2009
    ..We evaluated the feasibility of the epidural stimulation test and its potential in contributing to effective postoperative continuous epidural analgesia...
  17. doi request reprint Colloid solutions: a clinical update
    Tomi T Niemi
    Department of Anaesthesiology and Intensive Care Medicine, Helsinki University Hospital, Helsinki, Finland
    J Anesth 24:913-25. 2010
    ..The indication of colloids with an assessment of the degree of hypovolemia and safety profiles should thus be taken into consideration before colloid administration...
  18. ncbi request reprint Tranexamic acid does not correct the haemostatic impairment caused by hydroxyethyl starch (200 kDa/0.5) after cardiac surgery
    Anne H Kuitunen
    Department of Anaesthesiology and Intensive Care Medicine, Helsinki University Hospital, Meilahti Hospital, Helsinki, Finland
    Blood Coagul Fibrinolysis 17:639-45. 2006
    ..698, respectively). We conclude that after cardiopulmonary bypass, HES-induced impairment in clot formation and strength, or increased fibrinolytic capacity, is not reversed by the administration of tranexamic acid...
  19. ncbi request reprint Dose-dependent inhibition of platelet function by acetaminophen in healthy volunteers
    Edward Munsterhjelm
    Department of Anesthesiology and Intensive Care Medicine, Helsinki University Hospital, Helsinki, Finland
    Anesthesiology 103:712-7. 2005
    ..The authors studied the dose-dependent inhibition of platelet function by acetaminophen in healthy volunteers...
  20. ncbi request reprint Patient satisfaction with postoperative pain management--effect of preoperative factors
    Leila Niemi-Murola
    Department of Anesthesiology and Intensive Care Medicine, Helsinki University Hospital, Helsinki, Finland
    Pain Manag Nurs 8:122-9. 2007
    ..Preoperative interview is important tool to receive and give information concerning postoperative pain management...
  21. doi request reprint Thromboelastometry in patients with severe sepsis and disseminated intravascular coagulation
    Mirka Sivula
    Intensive Care Units, Department of Anesthesiology and Intensive Care Medicine, Helsinki University Hospital, Helsinki, Finland
    Blood Coagul Fibrinolysis 20:419-26. 2009
    ..We conclude that thromboelastometry may be a valuable tool in assessing whole blood coagulation capacity in patients with severe sepsis with and without overt DIC...
  22. doi request reprint Adenosine-induced cardiac arrest during intraoperative cerebral aneurysm rupture
    Teemu Luostarinen
    Department of Anaesthesiology, Intensive Care, Emergency Care and Pain Clinic, Helsinki University Central Hospital, Helsinki, Finland
    World Neurosurg 73:79-83; discussion e9. 2010
    ..A short-term cardiac arrest induced by adenosine could be a feasible method to help the surgeon. We present our experiences in the administration of adenosine during an intraoperative aneurysm rupture...