<clinical_study>
  <!-- This xml conforms to an XML Schema at:
    https://clinicaltrials.gov/ct2/html/images/info/public.xsd -->
  <required_header>
    <download_date>ClinicalTrials.gov processed this data on September 20, 2023</download_date>
    <link_text>Link to the current ClinicalTrials.gov record.</link_text>
    <url>https://clinicaltrials.gov/ct2/show/NCT01688661</url>
  </required_header>
  <id_info>
    <org_study_id>KHNMC 2012-074</org_study_id>
    <nct_id>NCT01688661</nct_id>
  </id_info>
  <brief_title>The Effects of Age and Gender on the Advantage of Sniffing Position for Laryngoscopic View</brief_title>
  <sponsors>
    <lead_sponsor>
      <agency>Kyung Hee University Hospital at Gangdong</agency>
      <agency_class>Other</agency_class>
    </lead_sponsor>
  </sponsors>
  <source>Kyung Hee University Hospital at Gangdong</source>
  <brief_summary>
    <textblock>
      The sniffing position has been regarded as a standard position for direct laryngoscopic view.&#xD;
      This study evaluated the effects of the age and gender on the advantage of the sniffing&#xD;
      position compared with simple head extension for laryngeal view during direct laryngoscopy.&#xD;
    </textblock>
  </brief_summary>
  <overall_status>Completed</overall_status>
  <start_date>August 2012</start_date>
  <completion_date type="Actual">March 2013</completion_date>
  <primary_completion_date type="Actual">March 2013</primary_completion_date>
  <study_type>Observational</study_type>
  <has_expanded_access>No</has_expanded_access>
  <study_design_info>
    <observational_model>Case-Crossover</observational_model>
    <time_perspective>Prospective</time_perspective>
  </study_design_info>
  <primary_outcome>
    <measure>the percentage of glottic opening</measure>
    <time_frame>during laryngoscopy</time_frame>
  </primary_outcome>
  <enrollment type="Actual">200</enrollment>
  <condition>Laryngeal View</condition>
  <eligibility>
    <study_pop>
      <textblock>
        adult patients who are scheduled for elective surgery under general anesthesia&#xD;
      </textblock>
    </study_pop>
    <sampling_method>Probability Sample</sampling_method>
    <criteria>
      <textblock>
        Inclusion Criteria:&#xD;
&#xD;
          -  • Patients who are scheduled for elective surgery under general anesthesia&#xD;
&#xD;
        Exclusion Criteria:&#xD;
&#xD;
          -  • Patients with anatomical defects of the face, neck, or upper airway&#xD;
      </textblock>
    </criteria>
    <gender>All</gender>
    <minimum_age>18 Years</minimum_age>
    <maximum_age>90 Years</maximum_age>
    <healthy_volunteers>No</healthy_volunteers>
  </eligibility>
  <location>
    <facility>
      <name>Kyung Hee University Gangdong Hospital</name>
      <address>
        <city>Seoul</city>
        <country>Korea, Republic of</country>
      </address>
    </facility>
  </location>
  <location_countries>
    <country>Korea, Republic of</country>
  </location_countries>
  <verification_date>April 2013</verification_date>
  <study_first_submitted>September 17, 2012</study_first_submitted>
  <study_first_submitted_qc>September 17, 2012</study_first_submitted_qc>
  <study_first_posted type="Estimate">September 20, 2012</study_first_posted>
  <last_update_submitted>April 23, 2013</last_update_submitted>
  <last_update_submitted_qc>April 23, 2013</last_update_submitted_qc>
  <last_update_posted type="Estimate">April 24, 2013</last_update_posted>
  <responsible_party>
    <responsible_party_type>Principal Investigator</responsible_party_type>
    <investigator_affiliation>Kyung Hee University Hospital at Gangdong</investigator_affiliation>
    <investigator_full_name>Jong-Man Kang</investigator_full_name>
    <investigator_title>Associate professor</investigator_title>
  </responsible_party>
  <!-- Results have not yet been posted for this study                                          -->
</clinical_study>


download date: ClinicalTrials.gov processed this data on September 20, 2023
link text: Link to the current ClinicalTrials.gov record.
url: https://clinicaltrials.gov/ct2/show/NCT01688661
org study id: KHNMC 2012-074
nct id: NCT01688661
lead sponsor: 
The sniffing position has been regarded as a standard position for direct laryngoscopic view.
      This study evaluated the effects of the age and gender on the advantage of the sniffing
      position compared with simple head extension for laryngeal view during direct laryngoscopy.
observational model: Case-Crossover
time perspective: Prospective
measure: the percentage of glottic opening
time frame: during laryngoscopy
study pop: 
sampling method: Probability Sample
criteria: 
gender: All
minimum age: 18 Years
maximum age: 90 Years
healthy volunteers: No
facility: 
country: Korea, Republic of
responsible party type: Principal Investigator
investigator affiliation: Kyung Hee University Hospital at Gangdong
investigator full name: Jong-Man Kang
investigator title: Associate professor