C. Keller

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The Influence of Cuff Volume and Anatomic Location on Pharyngeal, Esophageal, and Tracheal Mucosal Pressures with the Esophageal Tracheal Combitube

C. Keller, J. Brimacombe, M. Boehler, 2002, Anesthesiology.

Neurotoxicity of Lidocaine Involves Specific Activation of the p38 Mitogen-activated Protein Kinase, but Not Extracellular Signal–regulated or c-jun N-Terminal Kinases, and Is Mediated by Arachidonic Acid Metabolites

C. Keller, B. Hausott, P. Lirk, 2006, Anesthesiology.

Stability of the LMA-ProSeal® and standard laryngeal mask airway in different head and neck positions: a randomized crossover study

C. Keller, J. Brimacombe, J. Brimacombe, 2003, European journal of anaesthesiology.

Recruitment Maneuvers after a Positive End-expiratory Pressure Trial Do Not Induce Sustained Effects in Early Adult Respiratory Distress Syndrome

C. Hörmann, C. Keller, W. Oczenski, 2004, Anesthesiology.

Routine Cleaning and Autoclaving Does Not Remove Protein Deposits from Reusable Laryngeal Mask Devices

C. Keller, J. Brimacombe, G. Clery, 2003, Anesthesia and analgesia.

Flexible bronchoscopic intubation through the AuraGain™ laryngeal mask versus a slit Guedel tube: a non-inferiority randomized-controlled trial

C. Keller, J. Brimacombe, L. Audigé, 2017, Canadian Journal of Anesthesia/Journal canadien d'anesthésie.

Inert gas exchange during pneumoperitoneum at incremental values of positive end-expiratory pressure.

C. Keller, A. Loeckinger, C. Hoermann, 2000, Anesthesia and analgesia.

Sevoflurane, but not Propofol, Significantly Prolongs the Q-T Interval

C. Keller, A. Loeckinger, F. Puehringer, 2000, Anesthesia and analgesia.

Effects of decreasing peak flow rate on stomach inflation during bag-valve-mask ventilation.

C. Keller, V. Wenzel, A. Krismer, 2004, Resuscitation.

Transfer of skills and comparison of performance between king vision® video laryngoscope and macintosh blade following an AHA airway management course

C. Keller, A. Borgeat, J. Aguirre, 2017, BMC Anesthesiology.

Pharmacokinetics of Rocuronium Bromide in Obese Female Patients

A. Benzer, C. Keller, F. Pühringer, 2000 .

Reversing sevoflurane‐associated Q–Tc prolongation by changing to propofol

C. Keller, M. Boehler, A. Loeckinger, 2001, Anaesthesia.

Pressure Support Ventilation Versus Continuous Positive Airway Pressure Ventilation with the ProSeal™ Laryngeal Mask Airway: A Randomized Crossover Study of Anesthetized Pediatric Patients

C. Hörmann, C. Keller, J. Brimacombe, 2005, Anesthesia and analgesia.

High concentration potassium permanganate eliminates protein and particle contamination of the reusable Classic™ laryngeal mask airway

C. Keller, J. Brimacombe, W. Laupau, 2006, Anaesthesia.

Protein cross‐contamination during batch cleaning and autoclaving of the ProSeal™ laryngeal mask airway

C. Keller, J. Brimacombe, W. Laupau, 2006, Anaesthesia.

Residual Protein Contamination of ProSeal™ Laryngeal Mask Airways after Two Washing Protocols

C. Keller, J. Brimacombe, J. Brimacombe, 2004, Anaesthesia and intensive care.

Supplementary cleaning does not remove protein deposits from re-usable laryngeal mask devices

C. Keller, J. Brimacombe, T. Stone, 2004, Canadian journal of anaesthesia = Journal canadien d'anesthesie.

Administration of Oxygen Before Tracheal Extubation Worsens Gas Exchange After General Anesthesia in a Pig Model

C. Kolbitsch, A. Benzer, C. Keller, 2002, Anesthesia and analgesia.

An Anatomic Landmark to Simplify Subclavian Vein Cannulation: The “Deltoid Tuberosity”

P. Moser, R. Bale, C. Keller, 2005, Anesthesia and analgesia.

Augmented spontaneous breathing and pulmonary gas exchange during pneumoperitoneum.

C. Keller, A. Loeckinger, C. Hoermann, 2002, European journal of anaesthesiology.

Pulmonary Gas Exchange in Coronary Artery Surgery Patients During Sevoflurane and Isoflurane Anesthesia

C. Keller, A. Loeckinger, K. Lindner, 2002, Anesthesia and analgesia.

Isoflurane and Sevoflurane Anesthesia in Pigs with a Preexistent Gas Exchange Defect

C. Keller, A. Loeckinger, C. Hoermann, 2001, Anesthesiology.

Continuous Positive Airway Pressure at 10 cm H2O During Cardiopulmonary Bypass Improves Postoperative Gas Exchange

C. Keller, A. Loeckinger, C. Hoermann, 2000, Anesthesia and analgesia.

Prime the ProSeal™ drain tube with lube from a tube!

C. Keller, J. Brimacombe, 2005, Canadian journal of anaesthesia = Journal canadien d'anesthesie.

Sustained Prolongation of the QTc Interval after Anesthesia with Sevoflurane in Infants during the First 6 Months of Life

C. Keller, A. Loeckinger, K. Lindner, 2003, Anesthesiology.

Guided Insertion of the ProSeal Laryngeal Mask Airway Is Superior to Conventional Tracheal Intubation by First-Month Anesthesia Residents After Brief Manikin-Only Training

C. Keller, J. Brimacombe, M. Hohlrieder, 2006, Anesthesia and analgesia.

Effects of smaller tidal volumes during basic life support ventilation in patients with respiratory arrest: good ventilation, less risk?

C. Keller, J. Brimacombe, V. Wenzel, 1999, Resuscitation.

Postoperative nausea, vomiting, airway morbidity, and analgesic requirements are lower for the ProSeal laryngeal mask airway than the tracheal tube in females undergoing breast and gynaecological surgery.

C. Keller, J. Brimacombe, M. Hohlrieder, 2007, British journal of anaesthesia.

Head-position angles in children for opening the upper airway.

C. Keller, V. Wenzel, P. Paal, 2010, Resuscitation.

Recruitment maneuvers during prone positioning in patients with acute respiratory distress syndrome

C. Hörmann, C. Keller, W. Oczenski, 2005, Critical care medicine.

Pulmonary gas exchange after cardiopulmonary resuscitation with either vasopressin or epinephrine

C. Kolbitsch, C. Keller, A. Loeckinger, 2002, Critical care medicine.

Mechanical Versus Manual Ventilation via a Face Mask During the Induction of Anesthesia: A Prospective, Randomized, Crossover Study

C. Hörmann, C. Keller, W. Voelckel, 2004, Anesthesia and analgesia.

The influence of increasing concentrations of nitrous oxide on cerebral blood flow velocity in hypocapnic patients with brain tumours.

C. Kolbitsch, I. Lorenz, C. Hörmann, 1999, European journal of anaesthesiology.

Developing a Strategy to Improve Ventilation in an Unprotected Airway with a Modified Mouth-to-Bag Resuscitator in Apneic Patients

C. Hörmann, C. Keller, W. Voelckel, 2004, Anesthesia and analgesia.

Positive pressure ventilation with the laryngeal mask airway in non-paralysed patients: comparison of sevoflurane and propofol maintenance techniques.

C. Keller, J. Brimacombe, H. Sparr, 1998, British journal of anaesthesia.

Airway protection with the ProSealTM laryngeal mask airway in a child

C. Keller, J. Brimacombe, P. Lirk, 2004, Paediatric anaesthesia.

Airway Protection with the ProSeal Laryngeal Mask Airway

C. Keller, J. Brimacombe, J. Brimacombe, 2001, Anaesthesia and intensive care.

Do laryngeal mask airway devices attenuate liquid flow between the esophagus and pharynx? A randomized, controlled cadaver study.

C. Keller, J. Brimacombe, F. Pühringer, 1999, Anesthesia and analgesia.

Does efficacy of seal and fibreoptic view change during anaesthesia with the laryngeal mask airway: A comparison of oxygen and oxygen‐nitrous oxide gas mixtures

C. Keller, J. Brimacombe, 2000, Acta anaesthesiologica Scandinavica.

The ProSeal laryngeal mask airway may prevent of hiccup-related aspiration.

C. Keller, J. Brimacombe, 2005, European journal of anaesthesiology.

Inhibition of hiccups by the laryngeal mask airway is ineffective

C. Keller, J. Brimacombe, 2004, Anaesthesia.

Comparison of high- and low-dose intrathecal morphine for spinal fusion in children.

C. Keller, P. Innerhofer, M. Hohlrieder, 2008, British journal of anaesthesia.

Gastric insufflation with the ProSeal laryngeal mask.

C. Keller, J. Brimacombe, J. Brimacombe, 2001, Anesthesia and analgesia.

The ProSeal Laryngeal Mask Airway: A Randomized, Crossover Study with the Standard Laryngeal Mask Airway in Paralyzed, Anesthetized Patients

C. Keller, J. Brimacombe, 2000, Anesthesiology.

Curling the tip anteriorly does not facilitate laryngeal mask insertion.

C. Keller, J. Brimacombe, 2000, Anesthesia and analgesia.

ProSeal exchange using a gum elastic bougie in the lateral body position

C. Keller, J. Brimacombe, Y. Lim, 2003, Anaesthesia.

Continuous Positive Airway Pressure at 10 cm H2O During Cardiopulmonary Bypass Improves Postoperative Gas Exchange

C. Keller, A. Loeckinger, C. Hoermann, 2000, Anesthesia and analgesia.

Fatal errors in nitrous oxide delivery

C. Keller, V. Wenzel, K. Lindner, 2007, Anaesthesia.

Malposition of the Proseal Laryngeal Mask

C. Keller, J. Brimacombe, A. Berry, 2002 .

Prolonged Use of the Laryngeal Mask Airway ProSealTM: A Report of SevenCases Lasting 5-11 h

C. Keller, J. Brimacombe, V. Kumra, 2017 .

A randomised, non‐crossover study of the GuardianCPV™ Laryngeal Mask versus the LMA Supreme™ in paralysed, anaesthetised female patients

C. Keller, J. Brimacombe, W. Tiefenthaler, 2013, Anaesthesia.

LMA ProSealTM vs. i‐GelTM in ventilated children: A randomised, crossover study using the size 2 mask

C. Keller, J. Brimacombe, W. Tiefenthaler, 2012, Acta anaesthesiologica Scandinavica.

Jaw thrust as a predictor of insertion conditions for the proseal laryngeal mask airway.

C. Keller, J. Brimacombe, V. Wenzel, 2009, Middle East journal of anaesthesiology.

Gum Elastic Bougie-Guided Insertion of the ProSeal Laryngeal Mask Airway Is Superior to the Digital and Introducer Tool Techniques in Patients with Simulated Difficult Laryngoscopy Using a Rigid Neck Collar

C. Keller, J. Brimacombe, K. Stadlbauer, 2008, Anesthesia and analgesia.

A study of airway management using the ProSeal LMA® laryngeal mask airway compared with the tracheal tube on postoperative analgesia requirements following gynaecological laparoscopic surgery

C. Keller, J. Brimacombe, M. Hohlrieder, 2007, Anaesthesia.

The ProSeal Laryngeal Mask Airway in Prone Patients: A Retrospective Audit of 245 Patients

C. Keller, J. Brimacombe, V. Wenzel, 2007, Anaesthesia and intensive care.

The ProSeal™ Has a Shorter Life-Span than the Classic™ Laryngeal Mask Airway

C. Keller, J. Brimacombe, A. von Goedecke, 2005, Anesthesia and analgesia.

Positive Pressure versus Pressure Support Ventilation at Different Levels of PEEP Using the ProSeal™ Laryngeal Mask Airway

C. Keller, J. Brimacombe, A. Loeckinger, 2004, Anaesthesia and intensive care.

Gum Elastic Bougie-guided Insertion of the ProSeal™ Laryngeal Mask Airway

C. Keller, J. Brimacombe, 2004, Anaesthesia and intensive care.

Failed obstetric tracheal intubation and postoperative respiratory support with the ProSeal laryngeal mask airway.

C. Keller, J. Brimacombe, P. Lirk, 2004, Anesthesia and analgesia.

Gum Elastic Bougie-guided Insertion of the ProSeal™ Laryngeal Mask Airway Is Superior to the Digital and Introducer Tool Techniques

C. Keller, J. Brimacombe, Dana Vosoba Judd, 2004, Anesthesiology.

A Comparison of the ProSeal and Classic Laryngeal Mask Airways for Airway Management by Inexperienced Personnel after Manikin-only Training

C. Keller, J. Brimacombe, J. Brimacombe, 2003, Anaesthesia and intensive care.

Feasibility, Accuracy and Optimal Location for Oesophageal Core Temperature Measurements Using the ProSeal Laryngeal Mask Airway Drain Tube

C. Keller, J. Brimacombe, J. Brimacombe, 2003, Anaesthesia and intensive care.

The ProSeal laryngeal mask airway.

C. Keller, J. Brimacombe, 2002, Anesthesiology clinics of North America.

Gum-elastic Bougie-guided Insertion of the ProSeal™ Laryngeal Mask Airway: A New Technique

C. Keller, J. Brimacombe, J. Brimacombe, 2002, Anaesthesia and intensive care.

A Comparison of the Laryngeal Mask Airway ProSeal™ and the Laryngeal Tube Airway in Paralyzed Anesthetized Adult Patients Undergoing Pressure-Controlled Ventilation

C. Keller, J. Brimacombe, L. Brimacombe, 2002, Anesthesia and analgesia.

Airway management outside the operating room

C. Keller, J. Brimacombe, 2002, Current opinion in anaesthesiology.

Awake fibreoptic‐guided insertion of the ProSeal Laryngeal Mask AirwayTM

C. Keller, J. Brimacombe, 2002, Anaesthesia.

The Laryngeal Mask Airway ProSeal™ as a Temporary Ventilatory Device in Grossly and Morbidly Obese Patients Before Laryngoscope-Guided Tracheal Intubation

C. Keller, J. Brimacombe, A. Kleinsasser, 2002, Anesthesia and analgesia.

A Multicenter Study Comparing the ProSealTM and ClassicTM Laryngeal Mask Airway in Anesthetized, Nonparalyzed Patients

C. Keller, J. Brimacombe, F. Agrò, 2002, Anesthesiology.

Mechanical closure of the vocal cords with the laryngeal mask airway ProSeal.

C. Keller, J. Brimacombe, C. Keller, 2002, British journal of anaesthesia.

Positive Pressure Ventilation with the ProSeal Versus Classic Laryngeal Mask Airway: A Randomized, Crossover Study of Healthy Female Patients

M. Boehler, C. Keller, F. Pühringer, 2001, Anesthesia and analgesia.

Resting Esophageal Sphincter Pressures and Deglutition Frequency in Awake Subjects After Oropharyngeal Topical Anesthesia and Laryngeal Mask Device Insertion

C. Keller, J. Brimacombe, 2001, Anesthesia and analgesia.

Does the ProSeal Laryngeal Mask Airway Prevent Aspiration of Regurgitated Fluid?

C. Keller, A. Loeckinger, A. Kleinsasser, 2000, Anesthesia and analgesia.

Comparison of four methods for assessing airway sealing pressure with the laryngeal mask airway in adult patients.

C. Keller, J. Brimacombe, R. Morris, 1999, British journal of anaesthesia.

ORIGINAL ARTICLE: Comparison of guided insertion of the LMA ProSeal™ vs the i‐gel™

C. Keller, J. Brimacombe, L. Gasteiger, 2010, Anaesthesia.

Bougie-guided insertion of the ProSeal laryngeal mask airway has higher first attempt success rate than the digital technique in children.

C. Keller, J. Brimacombe, L. Barragán, 2006, British journal of anaesthesia.

PAEDIATRIC ANAESTHESIA Bougie-guided insertion of the ProSeal TM laryngeal mask airway has higher first attempt success rate than the digital technique in children

C. Keller, J. Brimacombe, L. Barragán, 2006 .

Aspiration of gastric contents during use of a ProSeal laryngeal mask airway secondary to unidentified foldover malposition.

C. Keller, J. Brimacombe, 2003, Anesthesia and analgesia.

Use of the Portex Laryngeal Mask Introducer with the ProSeal LMA

C. Keller, J. Brimacombe, A. Berry, 2002 .

Extravasation of propofol is associated with tissue necrosis in small children

C. Keller, A. Gardetto, S. Eschertzhuber, 2006, Paediatric anaesthesia.

Verifying Correct Endotracheal Intubation by Measurement of End-Tidal Carbon Dioxide During an Ex Utero Intrapartum Treatment Procedure

C. Keller, S. Jochberger, S. Eschertzhuber, 2005, Anesthesia and analgesia.

[Fatalities due to nitrous oxide. Complications from mistakes in nitrous oxide supply].

C. Keller, V. Wenzel, K. Lindner, 2008, Der Anaesthesist.

The Laryngeal Mask in Emergency Medicine and Intensive Care Medicine

C. Keller, J. Brimacombe, K. Lindner, 1999 .

Bronchial Mucus Transport Velocity in Paralyzed Anesthetized Patients: A Comparison of the Laryngeal Mask Airway and Cuffed Tracheal Tube

C. Keller, J. Brimacombe, 1998, Anesthesia and analgesia.

Pressure Support Ventilation versus Continuous Positive Airway Pressure with the Laryngeal Mask Airway: A Randomized Crossover Study of Anesthetized Adult Patients

C. Hörmann, C. Keller, J. Brimacombe, 2000, Anesthesiology.

Accuracy in estimating the correct intervertebral space level during lumbar, thoracic and cervical epidural anaesthesia

C. Keller, B. Steger, P. Lirk, 2004, Acta anaesthesiologica Scandinavica.

Neopterin as a marker of immunostimulation: an investigation in anaesthetic workplaces

W. Schobersberger, D. Fuchs, C. Keller, 2002, Anaesthesia.

Limited mouth opening and the intubating laryngeal mask

C. Keller, J. Brimacombe, K. Weidmann, 1999, Canadian journal of anaesthesia = Journal canadien d'anesthesie.

Mucosal pressures from the cuffed oropharyngeal airway vs the laryngeal mask airway.

C. Keller, J. Brimacombe, 1999, British journal of anaesthesia.

A Comparison of Pharyngeal Mucosal Pressure and Airway Sealing Pressure with the Laryngeal Mask Airway in Anesthetized Adult Patients

C. Keller, J. Brimacombe, 1998, Anesthesia and analgesia.

Recurrent laryngeal nerve injury with the laryngeal mask.

C. Keller, C Keller, I Brimacombe, 1999, Anasthesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie : AINS.

Laryngeal mask airway for preservation of the external branch of the superior laryngeal nerve during thyroid surgery

C. Keller, J. Brimacombe, J. Knott, 2003, Canadian journal of anaesthesia = Journal canadien d'anesthesie.

Pharyngolaryngeal, Neck, and Jaw Discomfort after Anesthesia with the Face Mask and Laryngeal Mask Airway at High and Low Cuff Volumes in Males and Females

C. Keller, J. Brimacombe, J. Sartain, 2000, Anesthesiology.

Who is at increased risk of aspiration?

C. Keller, J. Brimacombe, 2005, British journal of anaesthesia.

Influence of cuff volume on oropharyngeal leak pressure and fibreoptic position with the laryngeal mask airway.

C. Keller, J. Brimacombe, F. Pühringer, 1998, British journal of anaesthesia.

Sialadenopathy with the laryngeal mask airway.

C. Keller, J. Brimacombe, 1999, Anesthesia and analgesia.

Cervical spine motion during airway management : A cinefluoroscopic study of the posteriorly destabilized third cervical vertebrae in human cadavers

M. Boehler, C. Keller, J. Brimacombe, 2000 .

Pressures exerted against the cervical vertebrae by the standard and intubating laryngeal mask airways: a randomized, controlled, cross-over study in fresh cadavers.

C. Keller, J. Brimacombe, J. Brimacombe, 1999, Anesthesia and analgesia.

Anaesthetic implications of Robinow syndrome

C. Keller, P. Lirk, J. Rieder, 2003, Paediatric anaesthesia.

Differential neurotoxicity of tricyclic antidepressants and novel derivatives in vitro in a dorsal root ganglion cell culture model*

C. Keller, P. Lirk, L. Klimaschewski, 2007, European journal of anaesthesiology.

Cervical and High Thoracic Ligamentum Flavum Frequently Fails to Fuse in the Midline

Christian Kolbitsch, Philipp Lirk, Bernhard Moriggl, 2003, Anesthesiology.

Incidence of lower thoracic ligamentum flavum midline gaps.

C. Kolbitsch, C. Keller, B. Moriggl, 2005, British journal of anaesthesia.

The Incidence of Lumbar Ligamentum Flavum Midline Gaps

C. Kolbitsch, C. Keller, B. Moriggl, 2004, Anesthesia and analgesia.

Middle Ear Pressure Changes During Anesthesia With or Without Nitrous Oxide are Similar Among Airway Devices

C. Keller, J. Brimacombe, G. Luckner, 2006, Anesthesia and analgesia.

Pharyngolaryngeal morbidity with the intubating laryngeal mask airway

C. Keller, J. Brimacombe, A. Berry, 1998, Anaesthesia.

Pharmacodynamics and pharmacokinetics of rocuronium in intensive care patients.

C. Keller, J. Proost, H. Sparr, 1997, British journal of anaesthesia.

Pharmacokinetics of rocuronium bromide in obese female patients.

A. Benzer, C. Keller, F. Pühringer, 1999, European journal of anaesthesiology.

[The effect of different priming doses on the pharmacodynamics of cisatracurium].

C. Keller, F. Pühringer, A. Kleinsasser, 2000, Der Anaesthesist.

Emergence characteristics and postoperative laryngopharyngeal morbidity with the laryngeal mask airway: a comparison of high versus low initial cuff volume

C. Keller, J. Brimacombe, K. Weidmann, 2000, Anaesthesia.

Effect of total intravenous anaesthesia and balanced anaesthesia on the frequency of coughing during emergence from the anaesthesia.

A. Benzer, C. Keller, M. Gabl, 2007, British journal of anaesthesia.

[Spontaneous versus controlled respiration with the laryngeal mask. A review].

C. Keller, J. Brimacombe, 2001, Der Anaesthesist.

Airway Management during Spaceflight: A Comparison of Four Airway Devices in Simulated Microgravity

C. Keller, J. Brimacombe, A. Loeckinger, 2000, Anesthesiology.

Influence of neuromuscular block, mode of ventilation and respiratory cycle on pharyngeal mucosal pressures with the laryngeal mask airway.

C. Keller, J. Brimacombe, 1999, British Journal of Anaesthesia.

Patient outcomes with positive pressure versus spontaneous ventilation in non-paralysed adults with the laryngeal mask

C. Keller, J. Brimacombe, H. Sparr, 1998, Canadian journal of anaesthesia = Journal canadien d'anesthesie.

Smoking does not alter the dose-requirements and the pharmacodynamics of rocuronium

C. Keller, A. Kleinsasser, Claus Raedler, 2000, Canadian Journal of Anaesthesia-journal Canadien D Anesthesie.

A comparison of four methods for assessing oropharyngeal leak pressure with the laryngeal mask airway (LMA™) in paediatric patients

C. Keller, J. Brimacombe, M. López-Gil, 2001, Paediatric anaesthesia.

Gum elastic bougie-guided placement of the Pro Seal™ laryngeal mask

C. Keller, J. Brimacombe, S. Kihara, 2002, Canadian journal of anaesthesia = Journal canadien d'anesthesie.

The Laryngeal Mask Airway SupremeTM– a single use laryngeal mask airway with an oesophageal vent. A randomised, cross‐over study with the Laryngeal Mask Airway ProSealTM in paralysed, anaesthetised patients

C. Keller, J. Brimacombe, M. Hohlrieder, 2009, Anaesthesia.

Lingual nerve injury associated with the ProSeal laryngeal mask airway: a case report and review of the literature.

C. Keller, J. Brimacombe, G. Clarke, 2005, British journal of anaesthesia.

The influence of head and neck position on oropharyngeal leak pressure and cuff position with the flexible and the standard laryngeal mask airway.

C. Keller, J. Brimacombe, 1999, Anesthesia and analgesia.

Pharyngeal mucosal pressure and perfusion: a fiberoptic evaluation of the posterior pharynx in anesthetized adult patients with a modified cuffed oropharyngeal airway.

C. Keller, J. Brimacombe, Christian Keller, 1999, Anesthesiology.

The laryngeal mask airway in fresh cadavers versus paralysed anaesthetized patients: ease of insertion, airway sealing pressure, intracuff pressures and anatomic position.

C. Keller, J. Brimacombe, 1999, European journal of anaesthesiology.

Laryngeal mask airway size selection in males and females: ease of insertion, oropharyngeal leak pressure, pharyngeal mucosal pressures and anatomical position.

C. Keller, J. Brimacombe, 1999, British journal of anaesthesia.

Pharyngeal mucosal pressures, airway sealing pressures, and fiberoptic position with the intubating versus the standard laryngeal mask airway.

C. Keller, J. Brimacombe, 1999, Anesthesiology.

Pulmonary effects of bupivacaine, ropivacaine, and levobupivacaine in parturients undergoing spinal anaesthesia for elective caesarean delivery: a randomised controlled study.

A. Benzer, C. Keller, P. Lirk, 2010, International journal of obstetric anesthesia.

Cuff filling volumes and pressures in pediatric laryngeal mask airways

C. Keller, M. Weiss, A. Dullenkopf, 2006, Paediatric anaesthesia.

Aspiration and the laryngeal mask airway: three cases and a review of the literature.

C. Keller, J. Brimacombe, P. Lirk, 2004, British journal of anaesthesia.

The influence of the tonsillar gag on efficacy of seal, anatomic position, airway patency, and airway protection with the flexible laryngeal mask airway: a randomized, cross-over study of fresh adult cadavers.

C. Keller, J. Brimacombe, A. Gunkel, 1999, Anesthesia and analgesia.

The laryngeal mask and high-frequency jet ventilation for resection of high tracheal stenosis.

C. Keller, J. Brimacombe, E. Adelsmayr, 1998, Anesthesia and analgesia.

Direct Measurement of Mucosal Pressures Exerted by Cuff and Non-Cuff Portions of Tracheal Tubes with Different Cuff Volumes and Head and Neck Positions

C. Keller, J. Brimacombe, H. Sparr, 2000 .

Direct measurement of mucosal pressures exerted by cuff and non-cuff portions of tracheal tubes with different cuff volumes and head and neck positions.

C. Keller, J. Brimacombe, H. Sparr, 1999, British journal of anaesthesia.

Pharyngeal Mucosal Pressures, Airway Sealing Pressures, and Fiberoptic Position with the Intubating Versus the Standard Laryngeal Mask Airway

C. Keller, J. Brimacombe, 2000 .

A Comparison of the Disposable Versus the Reusable Laryngeal Mask Airway in Paralyzed Adult Patients

C. Keller, J. Brimacombe, R. Morris, 1998, Anesthesia and analgesia.

Mucosal pressure and oropharyngeal leak pressure with the ProSeal versus laryngeal mask airway in anaesthetized paralysed patients.

C. Keller, J. Brimacombe, J. Brimacombe, 2000, British journal of anaesthesia.

The Intubating Laryngeal Mask Airway: Effect of Handle Elevation on Efficacy of Seal, Fibreoptic Position, Blind Intubation and Airway Protection

C. Keller, J. Brimacombe, F. Pühringer, 2000, Anaesthesia and intensive care.

Effects of decreasing inspiratory times during simulated bag-valve-mask ventilation.

Kevin Bowden, Volker Wenzel, A. Gabrielli, 2005, Resuscitation.

The cuffed oropharyngeal airway vs. the laryngeal mask airway: a randomised cross‐over study of oropharyngeal leak pressure and fibreoptic view in paralysed patients

C. Keller, J. Brimacombe, J. Brimacombe, 1999, Anaesthesia.

Guided vs. non-guided insertion of Ambu AuraGain™ in edentulous patients

C. Keller, C. Velik-Salchner, S. Neururer, 2021, Der Anaesthesist.

The Laryngeal Mask Airway Unique™ versus the Soft Seal™ Laryngeal Mask: A Randomized, Crossover Study in Paralyzed, Anesthetized Patients

C. Keller, J. Brimacombe, M. Brimacombe, 2004, Anesthesia and analgesia.

Pressure support ventilation with the ProSeal® laryngeal mask airway. A comparison of sevoflurane, isoflurane and propofol

C. Keller, J. Brimacombe, A. Loeckinger, 2005, European journal of anaesthesiology.

Saline as an alternative to air for filling the laryngeal mask airway cuff.

C. Keller, J. Brimacombe, A. Coorey, 1998, British journal of anaesthesia.

A Comparison of the Reinforced and Standard Laryngeal Mask Airway: Ease of Insertion and the Influence of Head and Neck Position on Oropharyngeal Leak Pressure and Intracuff Pressure

C. Keller, J. Brimacombe, M. Brooker, 1999, Anaesthesia and intensive care.

Comparison of the flexible and standard laryngeal mask airways

C. Keller, J. Brimacombe, 1999, Canadian journal of anaesthesia = Journal canadien d'anesthesie.

The laryngeal mask airway for administration of surfactant in two neonates with respiratory distress syndrome

C. Keller, J. Brimacombe, D. Gandini, 2004, Paediatric anaesthesia.

Liability of laryngeal mask airway devices to thermal damage from KTP and Nd:YAG lasers.

C. Keller, J. Brimacombe, K. Keller, 1999, British journal of anaesthesia.

Water flow between the upper esophagus and pharynx for the LMA and COPA in fresh cadavers

C. Keller, J. Brimacombe, 1999, Canadian journal of anaesthesia = Journal canadien d'anesthesie.

Pharyngohryngeal: Neck, and Jaw Discomfort after Anesthesia with the Face Mask and Laryngeal Mask Airway at High and Low C m f f Volumes in Males and Females

C. Keller, P. McMahon, J. Brimacombe, 2006 .

CASE REPORTS Aspiration and the laryngeal mask airway: three cases and a review of the literature {

C. Keller, J. Brimacombe, P. Lirk, 2004 .

Prospective randomized controlled multi-centre trial of cuffed or uncuffed endotracheal tubes in small children.

C. Keller, M. Weiss, A. Dullenkopf, 2009, British journal of anaesthesia.

A Pilot Study to Evaluate the SMART BAG®: A New Pressure-Responsive, Gas-Flow Limiting Bag-Valve-Mask Device

C. Keller, W. Voelckel, V. Wenzel, 2003, Anesthesia and analgesia.

Reliability of epigastric auscultation to detect gastric insufflation.

C. Keller, S. Kurian, J. Brimacomb, 2002, British journal of anaesthesia.

Gastroscopy in awake and anaesthetized patients using a modified laryngeal mask.

C. Keller, F. Agrò, L. Petruzziello, 2000, European journal of anaesthesiology.

Laryngeal mask airway intracuff pressure estimation by digital palpation of the pilot balloon: a comparison of reusable and disposable masks

C. Keller, J. Brimacombe, 1999, Anaesthesia.

Laryngeal mask bite blocks ‐ rolled gauze versus Guedel airway

C. Keller, J. Brimacombe, H. Sparr, 1997, Acta anaesthesiologica Scandinavica.

Pulmonary airway resistance with the endotracheal tube versus laryngeal mask airway in paralyzed anesthetized adult patients.

C. Keller, J. Brimacombe, A. Berry, 1999, Anesthesiology.

Cervical Spine Motion During Airway Management: A Cinefluoroscopic Study of the Posteriorly Destabilized Third Cervical Vertebrae in Human Cadavers

M. Boehler, C. Keller, K. Künzel, 2000, Anesthesia and analgesia.

The Feasibility of Laryngoscope-Guided Tracheal Intubation in Microgravity During Parabolic Flight: A Comparison of Two Techniques

C. Keller, J. Brimacombe, T. Haas, 2005, Anesthesia and analgesia.

The intubating laryngeal mask airway in fresh cadaversvs paralysed anesthetised patients

C. Keller, J. Brimacombe, J Brimacombe, 1999, Canadian journal of anaesthesia = Journal canadien d'anesthesie.

A fibreoptic scoring system to assess the position of laryngeal mask airway devices. Interobserver variability and a comparison between the standard, flexible and intubating laryngeal mask airways.

C. Keller, J. Brimacombe, F. Pühringer, 2000, Anasthesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie : AINS.

Directly measured mucosal pressures produced by the i‐gelTM and laryngeal mask airway SupremeTM in paralysed anaesthetised patients

C. Keller, J. Brimacombe, W. Tiefenthaler, 2012, Anaesthesia.

A prospective, randomized trial of the Ambu AuraGain™ laryngeal mask versus the LMA® protector airway in paralyzed, anesthetized adult men.

C. Keller, J. Brimacombe, L. Audigé, 2018, Minerva anestesiologica.

Ambu® Aura Gain™ versus Ambu® Aura Once™ in children: a randomized, crossover study assessing oropharyngeal leak pressure and fibreoptic position

C. Keller, Berthold Moser, B. Ziegler, 2018, Canadian Journal of Anesthesia/Journal canadien d'anesthésie.

Calculated vs measured pharyngeal mucosal pressures with the laryngeal mask airway during cuff inflation: assessment of four locations.

A. Benzer, C. Keller, J. Brimacombe, 1999, British journal of anaesthesia.

A Pilot Study of Pharyngeal Pulse Oximetry with the Laryngeal Mask Airway: A Comparison with Finger Oximetry and Arterial Saturation Measurements in Healthy Anesthetized Patients

C. Keller, J. Brimacombe, F. Agrò, 2000 .

Large cuff volumes impede posterior pharyngeal mucosal perfusion with the laryngeal tube airway

C. Keller, J. Brimacombe, A. Loeckinger, 2002, Canadian journal of anaesthesia = Journal canadien d'anesthesie.

A pilot study of pharyngeal pulse oximetry with the laryngeal mask airway: a comparison with finger oximetry and arterial saturation measurements in healthy anesthetized patients.

C. Keller, J. Brimacombe, F. Agrò, 2000, Anesthesia and analgesia.

Laryngeal mask usage in the unstable neck.

C. Keller, J. Brimacombe, M. Scully, 1999, Anesthesia and analgesia.

Pulmonary Airway Resistance with the Endotracheal Tube Versus Laryngeal Mask Airway in Paralyzed Anesthetized Adult Patients

C. Keller, J. Brimacombe, A. Berry, 1999 .

Randomized crossover study assessing oropharyngeal leak pressure and fiber optic positioning

C. Keller, J. Brimacombe, B. Ziegler, 2016, Der Anaesthesist.

Maximal intracuff volumes for the cuffed oropharyngeal airway in adults.

C. Keller, J. Brimacombe, 1999, Anesthesia and analgesia.

Laryngeal mask lubrication

C. Keller, H. Sparr, J. Brimacombe, 1997, Anaesthesia.

Is It Unethical to Use the Combitube in Elective Surgery Patients?In Reply:

C. Keller, J. Brimacombe, 2003 .

Monitoring pollution by proton‐transfer‐reaction mass spectrometry during paediatric anaesthesia with positive pressure ventilation via the laryngeal mask airway or uncuffed tracheal tube

C. Keller, J. Brimacombe, A. Amann, 2002, Anaesthesia.

Insertion of the LMA-Unique with and without digital intraoral manipulation by inexperienced personnel after manikin-only training.

C. Keller, J. Brimacombe, 2004, The Journal of emergency medicine.

EQUIPMENT Liability of laryngeal mask airway devices to thermal damage from KTP and Nd:YAG lasers

C. Keller, J. Brimacombe, K. Keller, 1999 .

[Mask ventilation as an exit strategy of endotracheal intubation].

C. Keller, W. Voelckel, V. Wenzel, 2006, Der Anaesthesist.

A proposed algorithm for the management of airway obstruction with the Proseal laryngeal mask airway.

C. Keller, J. Brimacombe, 2005, Anesthesia and analgesia.

Oropharyngeal leak pressure of the LMA Protector™ vs the LMA Supreme™; a prospective, randomized, controlled clinical trial

C. Keller, L. Audigé, H. Bruppacher, 2018, Acta anaesthesiologica Scandinavica.

Life-threatening mediastinal hematoma caused by extravascular infusion through a triple-lumen central venous catheter.

I. Lorenz, C. Keller, M. Hohlrieder, 2004, Anesthesia and analgesia.

Unintentional arterial puncture during cephalic vein cannulation: case report and anatomical study.

C. Keller, B. Moriggl, P. Lirk, 2004, British journal of anaesthesia.

Intragastric Injection of Botulinum Toxin A for the Treatment of Obesity

C. Keller, J. Geibel, R. Mittermair, 2007, Obesity surgery.

Proportional assist ventilation reduces the work of breathing during exercise at moderate altitude.

C. Keller, A. Loeckinger, C. Hoermann, 2004, High altitude medicine & biology.

Clear hydro-gel, compared to ointment, provides improved eye comfort after brief surgery

C. Keller, G. Pinggera, P. Lirk, 2004, Canadian journal of anaesthesia = Journal canadien d'anesthesie.

The Feasibility of Transesophageal Echocardiograph-Guided Right and Left Ventricular Oximetry in Hemodynamically Stable Patients Undergoing Coronary Artery Bypass Grafting

C. Keller, J. Brimacombe, J. Margreiter, 2002, Anesthesia and analgesia.

A Pilot Study of Left Tracheal Pulse Oximetry

J. Margreiter, C. Keller, J. Brimacombe, 2000, Anesthesia and analgesia.

Successful pharyngeal pulse oximetry in low perfusion states

C. Keller, J. Brimacombe, 2000, Canadian journal of anaesthesia = Journal canadien d'anesthesie.

An unusual case of airway rescue in the prone position with the ProSeal laryngeal mask airway

C. Keller, J. Brimacombe, 2005, Canadian journal of anaesthesia = Journal canadien d'anesthesie.

Successful guided insertion of a proseal LMA in a patient with limited mouth-opening after failed insertion of a flexible LMA.

C. Keller, J. Brimacombe, 2005, Anaesthesia and Intensive Care.

Fiberoptic intubation of severely obese patients through supraglottic airway: A prospective, randomized trial of the Ambu® AuraGain™ laryngeal mask vs the i‐gel™ airway

C. Keller, L. Audigé, H. Bruppacher, 2019, Acta anaesthesiologica Scandinavica.

Repeat autoclaving does not remove protein deposits from the classic laryngeal mask airway

C. Keller, J. Brimacombe, T. Nixon, 2005, European journal of anaesthesiology.

Effect of fluvoxamine on sufentanil antinociception and tolerance under chronic intravenous infusion in rats.

C. Kolbitsch, I. Lorenz, C. Keller, 1999, Pharmacology & toxicology.

Neuroaxiale Regionalanästhesie bei Kindern - Das Innsbrucker Konzept

C. Keller, W. Roth, G. Kühbacher-Luz, 2006, Anasthesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie : AINS.

In cadavers, directly measured mucosal pressures are similar for the Unique™ and the Soft Seal™ laryngeal mask airway devices

C. Keller, J. Brimacombe, B. Moriggl, 2004, Canadian journal of anaesthesia = Journal canadien d'anesthesie.

A randomised trial comparing the Ambu® Aura-i TM and the Ambu® Aura Gain TM laryngeal mask as conduit for tracheal intubation in children.

C. Keller, S. Neururer, G. Putzer, 2020, Minerva anestesiologica.

Cervical spine instability and the intubating laryngeal mask--a caution.

C. Keller, J. Brimacombe, 1998, Anaesthesia and intensive care.

Inert Gas Exchange During Pneumoperitoneum at Incremental Values of Positive End-Expiratory Pressure

C. Keller, A. Loeckinger, C. Hoermann, 2000 .

[Ventilation of an unprotected airway: evaluation of a new peak-inspiratory-flow and airway-pressure-limiting bag-valve-mask].

C. Keller, W. Voelckel, V. Wenzel, 2006, Der Anaesthesist.

[Decreased inspiratory time during ventilation of an unprotected airway. Effect on stomach inflation and lung ventilation in a bench model].

C. Keller, W. Voelckel, V. Wenzel, 2005, Der Anaesthesist.

Effects of face mask ventilation in apneic patients with a resuscitation ventilator in comparison with a bag-valve-mask.

C. Hörmann, C. Keller, W. Voelckel, 2006, The Journal of emergency medicine.

Laryngeal Mask Airway Size Selection in Males and Females: Ease of Insertion, Oropharyngeal Leak Pressure, Pharyngeal Mucosal Pressures and Anatomical Position

C. Keller, J. Brimacombe, 2000 .

Verkürzte Inspirationszeit während der Beatmung eines ungeschützten Atemweges

C. Keller, V. Wenzel, W. Voelckel, 2005, Der Anaesthesist.

A modified rapid sequence induction using the ProSeal laryngeal mask airway and an Eschmann tracheal tube introducer or gum elastic bougie.

C. Keller, J. Brimacombe, 2004, Anesthesiology.