• Tracheal Tube
    • Markus Weiss
    • Markus Weiss: Influence Statistics

      Markus Weiss

      Markus Weiss

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      Department of Anesthesia, University Children's Hospital, Zurich, Switzerland | Department of Anaesthesiology, University Children's Hospital Zurich, Zurich, Switzerland; ...

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      Markus Weiss:Expert Impact

      Concepts for whichMarkus Weisshas direct influence:Tracheal tube,Tracheal intubation,Cuff pressure,Tracheal tubes,Syringe pump,Fluid leakage,Tube cuffs,Syringe pumps.

      Markus Weiss:KOL impact

      Concepts related to the work of other authors for whichfor which Markus Weiss has influence:Cuff pressure,Tracheal intubation,Pediatric patients,Airway management,Cardiac output,Procedural sedation,General anesthesia.

      KOL Resume for Markus Weiss


      Department of Anesthesia, University Children's Hospital, Zurich, Switzerland


      Department of Anaesthesia and Children's Research Center, University Children's Hospital, Zürich, Switzerland

      Anästhesieabteilung, Universitäts-Kinderspital Zürich, Steinwiesstr. 75, 8032, Zürich, Schweiz


      Department of Anaesthesia, University Children's Hospital Zurich, Zurich, Switzerland

      Children’s Research Center


      Children's Research Centre, University Children's Hospital of Zurich, Zurich, Switzerland


      University Children's Hospital Department of Anesthesia Zurich Switzerland


      Children's Research Center, University Children's Hospital of Zurich, University of Zurich, Zurich, Switzerland

      Forschungszentrum für das Kind, Universitäts-Kinderspital Zürich, Zürich, Schweiz


      Anästhesieabteilung, Universitäts-Kinderklinik, Zürich, Schweiz

      Department of Anaesthesia, University Children's Hospital Zurich, Steinwiesstrasse 75, 8032 Zurich, Switzerland


      Anästhesieabteilung, Universitäts-Kinderkliniken Zürich, Steinwiesstr. 75, 8032, Zürich, Schweiz

      University Children's Hospital Department of Anaesthesia Zurich Switzerland


      Royal Aberdeen Children’s Hospital, Aberdeen, United Kingdom. t.engelhardt@nhs.net


      Department of Anaesthesia, Department of Haematology, University Children’s Hospital Zurich, Switzerland

      Anästhesieabteilung, Kinderspital Zürich, Universitäts-Kinderkliniken, Steinwiesstr. 75, 8032, Zürich, Schweiz


      * Royal Aberdeen Children's Hospital, Aberdeen, United Kingdom.

      Department of Anaesthesia,

      Anästhesieabteilung, Universitäts-Kinderkliniken Zürich, Zürich, Schweiz


      Department of Anesthesia, University Children’s Hospital Zurich Switzerland


      Department of Anaesthesia, University Children's Hospital Zurich, Steinwiessstrasse 75, CH 8032 Zurich, Switzerland

      Anästhesieabteilung, Universitäts-Kinderkliniken Zürich, Steinwiesstr. 75, Zürich, Schweiz


      Department of Anaesthesia

      Division of Anaesthesiology, University Children's Hospital Zurich, Zurich, Switzerland

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      Sample of concepts for which Markus Weiss is among the top experts in the world.
      Concept World rank
      fogging flexible #1
      wbp cvf #1
      pressure polyurethane #1
      179 intrarater #1
      cuffed etts uncuffed #1
      technique wall #1
      time clear #1
      ultrathin cuff membrane #1
      cases tube #1
      pump flush #1
      critically neonates ptcco2 #1
      cprv release #1
      hypocapnia shc #1
      48 tonsillectomy #1
      uncuffed sheridan tubes #1
      springerlink “supplemental #1
      cuff pressure series #1
      sensor exchange experiments #1
      postextubation morbidity #1
      60 esophageal intubation #1
      teaching tracheal intubation #1
      tosca newborn monitoring #1
      methodsfluid delivery #1
      cico situation children #1
      lanz pressure #1
      fewer unsafe actions #1
      risk endobronchial intubation #1
      introduction phase ioi #1
      food nonclear fluids #1
      hypotension hct #1
      cobblestones 971 patients #1
      015 mg·kg−1 prevention #1
      cuffed children #1
      inadvertent extubation #1
      nausea late application #1
      sampling balloon #1
      white bubbles #1
      design tracheal tubes #1
      tonometrically measured prco2 #1
      ptcco2 tosca #1
      activated coagulation acts #1
      compared uncuffed #1
      microcuff tube studies #1
      functional airway problems #1
      combinations sga #1
      intubation time difficulty #1
      lungs order #1
      syringe irregularities #1
      anaesthesia gas analysis #1
      aspiration tracheal #1
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      Prominent publications by Markus Weiss

      KOL-Index: 13769

      OBJECTIVE: Arterial oxygen saturation (Sao(2)) and arterial carbon dioxide partial pressure (Paco(2)) are 2 of the most important respiratory parameters in the treatment of critically ill neonates. Noninvasive monitoring of these parameters is desirable for continuous estimating of the respiratory status and reducing blood loss because of repeated blood gas analyses. Transcutaneous measurement of Pco(2) (Ptcco(2)) represents a simple and noninvasive technique for continuous monitoring of ...

      Known for Ear Sensor | Pulse Oximetry | Transcutaneous Measurement | Oxygen Saturation | Spo2 Ptcco2
      KOL-Index: 12957

      INTRODUCTION: Current guidelines suggest a fasting time of 2 h for clear fluids, which is often exceeded in clinical practice, leading to discomfort, dehydration and stressful anaesthesia induction to patients, especially in the paediatric population. Shorter fluid fasting might be a strategy to improve patient comfort but has not been investigated yet. This prospective clinical trial compares gastric pH and residual volume after 1 vs 2 h of preoperative clear fluid fasting.

      METHODS: ...

      Known for Residual Volume | Clear Fluids | Fasting Time | Adolescent Anesthesia | Elective Procedures
      KOL-Index: 11791

      BACKGROUND: Undiagnosed tracheobronchial foreign body aspiration (FBA) or delayed extraction can lead to serious morbidity. The aim of this study was to evaluate anesthetic and periinterventional morbidity of a straightforward regime using rigid bronchoscopy to rule out or remove a tracheobronchial foreign body in children with suspicion of FBA.

      METHODS: We retrospectively analyzed rigid bronchoscopy charts of children with suspicion of acute (< or = 24 h) and subacute (>24 h-2 weeks) ...

      Known for Rigid Bronchoscopy | Foreign Body | Infant Length | Fba Children | General Anesthesia
      KOL-Index: 11468

      BACKGROUND: The aim of this study was to evaluate the appropriateness of intubation depth marks on the new Microcuff paediatric tracheal tube.

      METHODS: With local Institutional Ethics Committee approval and informed parental consent, we included patients from birth (weighing > or =3 kg) to 16 yr who were undergoing general anaesthesia requiring orotracheal intubation. Tracheal intubation was performed using direct laryngoscopy, the intubation depth mark was placed between the vocal ...

      Known for Tracheal Tube | Intubation Depth Mark | Vocal Cords | Direct Laryngoscopy | General Anaesthesia
      KOL-Index: 10375

      Purpose: To evaluate the effect of syringe size and infusion rate on drug delivery after vertical displacement of syringe pumps.Methods: Four syringes (10 ml, 20 ml, 30 ml, 50 ml) were studied at three infusion speeds (2 ml·hr−1, 1 ml·hr−1 and 0.5 ml·hr−1). Fluid delivery was measured gravimetrically using an electronic balance. Aspiration volume (amount of fluid retracted into the syringe-infusion line assembly) and zero-drug delivery time (time between the lowering of the syringe pump ...

      Known for Syringe Size | Drug Delivery | Flow Rate | Vertical Displacement | Infusion Bolus
      KOL-Index: 10107

      ObjectiveTo compare the assessment of cardiac output (CO) in children using the noninvasive Ultrasound Cardiac Output Monitor (USCOM) with the invasive pulmonary artery catheter (PAC) thermodilution cardiac output measurement.Design and settingProspective observational study in a tertiary center for pediatric cardiology of a university children's hospital.PatientsTwenty-four pediatric patients with congenital heart disease without shunt undergoing cardiac catheterization under general ...

      Known for Cardiac Output | Percentage Error | Pac Thermodilution | Measurement Children | Uscom Data
      KOL-Index: 10049

      ObjectiveThis study compared the recently introduced Microcuff endotracheal tube HVLP ICU featuring an ultrathin (7-µm) polyurethane cuff membrane with endotracheal tubes from different manufacturers regarding fluid leakage past the tube cuff.DesignIn vitro setup.Measurements and resultsThe following endotracheal tubes (ID 7.5 mm) were compared: Mallinckrodt HiLo, Microcuff HVLP ICU, Portex Profile Soft Seal, Rüsch Super Safety Clear, and Sheridan CF. A vertical PVC trachea model (ID ...

      Known for Fluid Leakage | Tube Cuff | Mallinckrodt Hilo | 20 Mm | 10 Cmh2o
      KOL-Index: 10019

      BACKGROUND: The small sample volume needed and the prompt availability of results make viscoelastic methods like rotational thromboelastometry (ROTEM) attractive for monitoring coagulation in small children. However, data on reference ranges for ROTEM parameters in children are scarce.

      METHODS: Four hundred and seven children (ASA I and II) undergoing elective surgery were recruited for this prospective, two-centre, observational study. Subjects were grouped as follows: 0-3, 4-12, 13-24 ...

      Known for Reference Ranges | Coagulation Tests | Rotem Assays | Rotational Thromboelastometry | Children Age
      KOL-Index: 9583

      BACKGROUND: The aim of the study was to elucidate easily determinable laboratory and vital parameters in clinical practice to explain variability of near-infrared spectroscopic cerebral oxygenation readings in critically ill newborns and infants using the NIRO 300 spectrometer.

      METHODS: Near-infrared spectroscopy (NIRS) cerebral tissue oxygenation index (cTOI) was measured on the forehead of critically ill neonates and infants with existing arterial and/or central venous access. We ...

      Known for Venous Oxygen | Infrared Spectroscopic | Arterial Blood | Intersubject Variability | Cerebral Tissue
      KOL-Index: 9540

      STUDY OBJECTIVE: Although ketamine is one of the most commonly used sedatives to facilitate painful procedures for children in the emergency department (ED), existing studies have not been large enough to identify clinical factors that are predictive of uncommon airway and respiratory adverse events.

      METHODS: We pooled individual-patient data from 32 ED studies and performed multiple logistic regressions to determine which clinical variables would predict airway and respiratory adverse ...

      Known for Respiratory Adverse Events | Emergency Department | Ketamine Sedation | Patient Data | Painful Procedures
      KOL-Index: 9363

      BACKGROUND: The goal of this investigation was to evaluate adequacy of the design of readily available paediatric cuffed tracheal tubes (CPTT).

      METHODS: In 15 series of cuffed (11) and uncuffed (four) paediatric tracheal tubes (ID: 2.5-7.0 mm) from four different manufacturers the following dimensions were measured: outer diameter of the tube, position and largest diameter of the tube cuff inflated at 20 cm H(2)O and position of depth markings and compared with age-related ...

      Known for Tracheal Tubes | Cuffed Paediatric | Newborn Intubation | Tube Cuff | Outer Diameter
      KOL-Index: 9342

      IntroductionSecuring the airway with a tracheal tube is essential in emergency situations, in the intensive care setting as well as during anesthesia for surgery and other interventions. Current methods of airway assessment are poor screening tests for predicting difficult direct laryngoscopy due to a generally low positive predictive value; therefore, successful endotracheal intubation requires a high level of expertise, regular training and practice and sometimes additional tools. ...

      Known for Conventional Direct Laryngoscopy | Time Intubation | King Vision | 100 Cmac | Video Laryngoscopes
      KOL-Index: 9334

      BACKGROUND: Current guidelines recommend preoperative fasting of 2 h for clear fluids, which is often exceeded in routine clinical practice. Existing data on residual gastric volumes in children do not consider fluid intake within <2 h and rely on the aspiration of gastric contents via a gastric tube. This study evaluated the emptying of clear fluids from the stomach using magnetic resonance imaging (MRI).

      METHODS: Healthy volunteers aged 6-14 years were asked to fast overnight. MRI ...

      Known for Clear Fluid | Healthy Children | Gastric Emptying | Overnight Fasting | Magnetic Resonance
      KOL-Index: 9286

      PurposePostoperative nausea and vomiting (PONV) after adenotonsillectomy in children is, in spite of the prophylactic administration of tropisetron, still a frequent event. The aim of this study was to evaluate the benefit of the additional systemic administration of low-dose dexamethasone (0.15 mg·kg−1) for the prevention of PONV.MethodsWith hospital ethics committee approval, we investigated children undergoing adenotonsillectomy receiving tropisetron (0.1 mg·kg−1; maximum dose, 2 mg) ...

      Known for Postoperative Nausea | Incidence Vomiting | Patients Tropisetron | Children Adenotonsillectomy | Antiemetics Child
      KOL-Index: 9253

      BACKGROUND: Thromboelastometry (ROTEM(®)) might be useful to detect intraoperative coagulation disorders early in major paediatric surgery. This observational trial compares this technique to standard coagulation tests.

      METHODS: Intraoperative blood sampling was obtained in children undergoing elective major surgery. At each time point, standard coagulation tests [activated partial thromboplastin time (aPTT), prothrombin time (PT), and fibrinogen level] and ROTEM(®) analyses (InTEM, ...

      Known for Aptt Rotem | Fibrinogen Level | Fibtem Assay | Prothrombin Time | Standard Coagulation Tests

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      Department of Anesthesia, University Children's Hospital, Zurich, Switzerland | Department of Anaesthesiology, University Children's Hospital Zurich, Zurich, Switzerland; Children's Research Centre, University Children's Hospital Zurich, Zurich, Swit

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