C Hofer

Summary

Affiliation: Stadtspital Triemli
Country: Switzerland

Publications

  1. pmc Assessment of cardiac output changes using a modified FloTrac/Vigileo algorithm in cardiac surgery patients
    Alban Senn
    Institute of Anaesthesiology and Intensive Care Medicine, Triemli City Hospital Zurich, Birmensdorferstrasse 497, 8063 Zurich, Switzerland
    Crit Care 13:R32. 2009
  2. ncbi request reprint Total intravenous anaesthesia in a patient with familial hypokalaemic periodic paralysis
    C Hofer
    Institute of Anaesthesiology, Triemli City Hospital Zurich, Birmensdorferstr 497, 8063 Zurich, Switzerland
    Anaesthesia 56:1082-5. 2001
  3. ncbi request reprint What technique should I use to measure cardiac output?
    Christoph K Hofer
    Institute of Anesthesiology and Intensive Care Medicine, Triemli City Hospital, Switzerland
    Curr Opin Crit Care 13:308-17. 2007
  4. pmc Assessment of stroke volume variation for prediction of fluid responsiveness using the modified FloTrac and PiCCOplus system
    Christoph K Hofer
    Institute of Anaesthesiology and Intensive Care Medicine, Triemli City Hospital, Birmensdorferstrasse, CH 8063 Zurich, Switzerland
    Crit Care 12:R82. 2008
  5. doi request reprint Uncalibrated radial and femoral arterial pressure waveform analysis for continuous cardiac output measurement: an evaluation in cardiac surgery patients
    Christoph K Hofer
    Institute of Anesthesiology and Intensive Care Medicine, Triemli City Hospital, Zurich, Switzerland
    J Cardiothorac Vasc Anesth 24:257-64. 2010
  6. ncbi request reprint Minimally invasive haemodynamic monitoring
    Christoph K Hofer
    Department of Transversal Medicine, Institute of Anaesthesiology and Intensive Care Medicine, Triemli City Hospital, Birmensdorferstr 497, 8063 Zurich, Switzerland
    Eur J Anaesthesiol 26:996-1002. 2009
  7. doi request reprint Perioperative assessment of platelet function in patients under antiplatelet therapy
    Christoph K Hofer
    Institute of Anaesthesiology and Intensive Care Medicine, Triemli City Hospital, Zurich, Switzerland
    Expert Rev Med Devices 7:625-37. 2010
  8. doi request reprint Monitoring fluid responsiveness
    Christoph K Hofer
    Department of Transversal Medicine, Institute of Anesthesiology and Intensive Care Medicine, Triemli City Hospital, Zurich, Switzerland
    Acta Anaesthesiol Taiwan 49:59-65. 2011
  9. ncbi request reprint Volumetric assessment of left heart preload by thermodilution: comparing the PiCCO-VoLEF system with transoesophageal echocardiography
    C K Hofer
    Consultant, Institute of Anaesthesiology and Intensive Care Medicine, Triemli City Hospital Zurich, Birmensdorferstr 497, 8063 Zurich, Switzerland
    Anaesthesia 61:316-21. 2006
  10. ncbi request reprint Influence of body core temperature on blood loss and transfusion requirements during off-pump coronary artery bypass grafting: a comparison of 3 warming systems
    C K Hofer
    Institute of Anesthesiology and Intensive Care Medicine, Triemli City Hospital, Zurich, Switzerland
    J Thorac Cardiovasc Surg 129:838-43. 2005

Collaborators

Detail Information

Publications28

  1. pmc Assessment of cardiac output changes using a modified FloTrac/Vigileo algorithm in cardiac surgery patients
    Alban Senn
    Institute of Anaesthesiology and Intensive Care Medicine, Triemli City Hospital Zurich, Birmensdorferstrasse 497, 8063 Zurich, Switzerland
    Crit Care 13:R32. 2009
    ..Both devices were compared with cardiac output measured by intermittent thermodilution (ICO)...
  2. ncbi request reprint Total intravenous anaesthesia in a patient with familial hypokalaemic periodic paralysis
    C Hofer
    Institute of Anaesthesiology, Triemli City Hospital Zurich, Birmensdorferstr 497, 8063 Zurich, Switzerland
    Anaesthesia 56:1082-5. 2001
    ..Despite continuous substitution, an episode of low plasma potassium concentration occurred during the recovery period; this was without any clinical signs of muscle paralysis or respiratory distress...
  3. ncbi request reprint What technique should I use to measure cardiac output?
    Christoph K Hofer
    Institute of Anesthesiology and Intensive Care Medicine, Triemli City Hospital, Switzerland
    Curr Opin Crit Care 13:308-17. 2007
    ..The aim of this review is to give a synopsis of the currently available cardiac output measurement methods. This information should help in selecting the appropriate technique in a particular clinical setting...
  4. pmc Assessment of stroke volume variation for prediction of fluid responsiveness using the modified FloTrac and PiCCOplus system
    Christoph K Hofer
    Institute of Anaesthesiology and Intensive Care Medicine, Triemli City Hospital, Birmensdorferstrasse, CH 8063 Zurich, Switzerland
    Crit Care 12:R82. 2008
    ..Various devices allow automated clinical assessment of SVV. The aim of the present study was to compare prediction of fluid responsiveness using SVV, as determined by the FloTrac/Vigileo system and the PiCCOplus system...
  5. doi request reprint Uncalibrated radial and femoral arterial pressure waveform analysis for continuous cardiac output measurement: an evaluation in cardiac surgery patients
    Christoph K Hofer
    Institute of Anesthesiology and Intensive Care Medicine, Triemli City Hospital, Zurich, Switzerland
    J Cardiothorac Vasc Anesth 24:257-64. 2010
    ..Intermittent pulmonary artery thermodilution (ICO) was used as primary reference technique...
  6. ncbi request reprint Minimally invasive haemodynamic monitoring
    Christoph K Hofer
    Department of Transversal Medicine, Institute of Anaesthesiology and Intensive Care Medicine, Triemli City Hospital, Birmensdorferstr 497, 8063 Zurich, Switzerland
    Eur J Anaesthesiol 26:996-1002. 2009
    ..The aim of the present article is to review the most widely used minimally invasive cardiac output monitoring techniques; emphasize the new parameters available for preload assessment;and propose a modular stepwise monitoring concept...
  7. doi request reprint Perioperative assessment of platelet function in patients under antiplatelet therapy
    Christoph K Hofer
    Institute of Anaesthesiology and Intensive Care Medicine, Triemli City Hospital, Zurich, Switzerland
    Expert Rev Med Devices 7:625-37. 2010
    ..All methods assessing platelet function are summarized and their limitations are discussed in this article, emphasizing their perioperative use...
  8. doi request reprint Monitoring fluid responsiveness
    Christoph K Hofer
    Department of Transversal Medicine, Institute of Anesthesiology and Intensive Care Medicine, Triemli City Hospital, Zurich, Switzerland
    Acta Anaesthesiol Taiwan 49:59-65. 2011
    ..However, only few studies on goal-directed therapy guided by these parameters have been published so far...
  9. ncbi request reprint Volumetric assessment of left heart preload by thermodilution: comparing the PiCCO-VoLEF system with transoesophageal echocardiography
    C K Hofer
    Consultant, Institute of Anaesthesiology and Intensive Care Medicine, Triemli City Hospital Zurich, Birmensdorferstr 497, 8063 Zurich, Switzerland
    Anaesthesia 61:316-21. 2006
    ..6 +/- 16.8%. In contrast to global end-diastolic volume index, the use of left heart end-diastolic volume index determined by the VoLEF system cannot be recommended as an estimate of left ventricular preload...
  10. ncbi request reprint Influence of body core temperature on blood loss and transfusion requirements during off-pump coronary artery bypass grafting: a comparison of 3 warming systems
    C K Hofer
    Institute of Anesthesiology and Intensive Care Medicine, Triemli City Hospital, Zurich, Switzerland
    J Thorac Cardiovasc Surg 129:838-43. 2005
    ....
  11. ncbi request reprint Volumetric preload measurement by thermodilution: a comparison with transoesophageal echocardiography
    C K Hofer
    Institute of Anaesthesiology and Intensive Care Medicine, Triemli City Hospital, Zurich, Switzerland
    Br J Anaesth 94:748-55. 2005
    ..The aim of this study was to compare volume preload monitoring using the two different thermodilution techniques with left ventricular preload assessment by transoesophageal echocardiography (TOE)...
  12. ncbi request reprint [Patients' needs and expectations regarding anaesthesia. A survey on the pre-anaesthetic visit of patients and anaesthesiologists]
    C K Hofer
    Institut für Anästhesiologie und Intensivmedizin, Stadtspital Triemli, Zurich, Schweiz
    Anaesthesist 53:1061-8. 2004
    ..This prospective survey aimed at elucidating the patients' expectations and needs regarding the pre-anaesthetic visit and the forthcoming anaesthesia. The same questionnaire was answered by both patients and anaesthesiologists...
  13. ncbi request reprint Pulsed dye densitometry with two different sensor types for cardiac output measurement after cardiac surgery: a comparison with the thermodilution technique
    C K Hofer
    Institute of Anaesthesiology and Intensive Care Medicine, Triemli City Hospital, Zurich, Switzerland
    Acta Anaesthesiol Scand 48:653-7. 2004
    ..The aim of this study was to determine the accuracy and reliability of the DDG2001 analyzer (Nihon Kohden Corp, Tokyo, Japan) using a finger (IDDf) and a nose (IDDn) sensor as compared with the thermodilution technique by PAC...
  14. ncbi request reprint [Complete heart block after spinal and general anaesthesia]
    C K Hofer
    Institut für Anästhesiologie und Intensivmedizin, Stadtspital Triemli, Zurich, Switzerland
    Anaesthesist 52:326-8. 2003
    ..Under these circumstances transcutaneous pacing should always be in place. Maintenance of coronary perfusion pressure is essential and invasive blood pressure monitoring is recommended...
  15. ncbi request reprint Stroke volume and pulse pressure variation for prediction of fluid responsiveness in patients undergoing off-pump coronary artery bypass grafting
    Christoph K Hofer
    Institute of Anesthesiology and Intensive Care Medicine, Triemli City Hospital, Birmensdorferstr 497, CH 8063 Zurich, Switzerland
    Chest 128:848-54. 2005
    ..The goal of this study was to reevaluate SVV in predicting volume responsiveness and to compare it with PPV...
  16. ncbi request reprint Measurement of cardiac output after cardiac surgery by a new transesophageal Doppler device
    Philip Jaeggi
    Institute of Anesthesiology, Triemli City Hospital, Zurich, Switzerland
    J Cardiothorac Vasc Anesth 17:217-20. 2003
    ..The aim of this study was to assess the accuracy of the cardiac output/index (CO/CI) measured by this device compared with the CO/CI measured by thermodilution...
  17. doi request reprint The accuracy of preload assessment by different transesophageal echocardiographic techniques in patients undergoing cardiac surgery
    Christoph K Hofer
    Institute of Anesthesiology and Intensive Care Medicine, Triemli City Hospital Zurich, Zurich, Switzerland
    J Cardiothorac Vasc Anesth 22:236-42. 2008
    ..Global end-diastolic volume index (GEDVI) and stroke volume index (SVI) measured by the PiCCO(plus) system (Pulsion Medical Systems, Munich, Germany) were used as TEE-independent reference variables...
  18. ncbi request reprint Off-pump coronary artery bypass grafting: the Zurich experience
    R Tavakoli
    Department of Cardiac Surgery, City Hospital Zurich, Zurich, Switzerland
    Heart Surg Forum 8:E246-8. 2005
    ..Following these concepts, we have been able to offer the OPCAB procedure to over 90% of our patients and to reduce perioperative morbidity and global costs...
  19. ncbi request reprint Accuracy and performance of a modified continuous intravascular blood gas monitoring device during thoracoscopic surgery
    Michael T Ganter
    Institute of Anesthesiology, University Hospital Zurich, Zurich, Switzerland
    J Cardiothorac Vasc Anesth 18:587-91. 2004
    ..The aim of this study was to evaluate the modified probe over a wide range of blood gas and pH values during thoracoscopic surgery in a similar setup as done with the previous model...
  20. ncbi request reprint Monitoring activated clotting time for combined heparin and aprotinin application: in vivo evaluation of a new aprotinin-insensitive test using Sonoclot
    Michael T Ganter
    Institute of Anesthesiology and Intensive Care Medicine, Triemli City Hospital Zurich, Switzerland
    Eur J Cardiothorac Surg 30:278-84. 2006
    ..Recently, a novel 'aprotinin-insensitive' activated clotting time test has been developed for the SONOCLOT analyzer (SaiACT). The aim of our study was to evaluate SaiACT in patients undergoing CPB in presence of heparin and aprotinin...
  21. ncbi request reprint Patterns of changes in arterial PO2 during one-lung ventilation: a comparison between patients with severe pulmonary emphysema and patients with preserved lung function
    Schlomo V Aschkenasy
    Institute of Anesthesiology, University Hospital Zurich, 8063 Zurich, Switzerland
    J Cardiothorac Vasc Anesth 19:479-84. 2005
    ..The authors hypothesized that patterns of arterial PO(2) changes are different in these 2 patient groups...
  22. doi request reprint Coagulation monitoring: current techniques and clinical use of viscoelastic point-of-care coagulation devices
    Michael T Ganter
    Department of Anesthesia and Perioperative Care, University of CA San Francisco, San Francisco, California, USA
    Anesth Analg 106:1366-75. 2008
    ..To ensure optimal accuracy and performance, standardized procedures for blood sampling and handling, strict quality controls and trained personnel are required...
  23. ncbi request reprint How often should we perform arterial blood gas analysis during thoracoscopic surgery?
    Michael T Ganter
    Department of Anesthesia and Perioperative Care, University of California, San Francisco General Hospital, San Francisco, CA 94110, USA
    J Clin Anesth 19:569-75. 2007
    ..To continuously measure arterial blood gases (ABGs), to calculate the percentage of anticipated changes over time, and to develop recommendations for sampling frequencies of arterial blood gases in patients undergoing thoracoscopic surgery...
  24. ncbi request reprint Kaolin-based activated coagulation time measured by sonoclot in patients undergoing cardiopulmonary bypass
    Michael T Ganter
    Department of Anesthesia and Perioperative Care, University of California San Francisco, San Francisco, CA 94110, USA
    J Cardiothorac Vasc Anesth 21:524-8. 2007
    ..The aim of this study was to compare SkACT with an established kaolin-based ACT from Hemochron (HkACT) and anti-Xa activity in patients undergoing cardiopulmonary bypass (CPB)...
  25. ncbi request reprint Monitoring activated clotting time for combined heparin and aprotinin application: an in vitro evaluation of a new aprotinin-insensitive test using SONOCLOT
    Michael T Ganter
    Department of Anesthesia and Perioperative Care, University of California San Francisco, USA
    Anesth Analg 101:308-14, table of contents. 2005
    ..By contrast, HkACT readings increased significantly: aprotinin prolonged HkACT in heparinized blood samples by 20% +/- 37% (2 U x mL(-1)) and 24% +/- 18% (3 U x mL(-1)), respectively, and in vitro hemodilution increased this effect...
  26. ncbi request reprint The effect of clonidine on perioperative blood coagulation
    Michael T Ganter
    Department of Anesthesiology, University Hospital Zurich, Raemistrasse 100, CH 8091 Zurich, Switzerland
    J Clin Anesth 17:456-62. 2005
    ..To evaluate the influence of perioperative stress protection by clonidine on blood coagulation...