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AzTrials

Blood PressureNCT02708420

Does Glidescope Video Laryngoscope is Related to Less Hemodynamic Response?

A study testing Glidescope and Macintosh Laryngoscope in people with Blood Pressure, run by Gata Haydarpasa Research Hospital at 1 site in Turkey (Türkiye).

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Laryngoscopy and endotracheal intubation causes significant hemodynamic response and thus presents an increased risk for patients undergoing cardiac bypass surgery. Prevention or reduction of this increment is important for hemodynamic control. Read more about this study

Who is it for?
Ages 40 to 85 years
Conditions the study is for
Blood Pressure
What is being tested?
Glidescope and Macintosh Laryngoscope
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
70 participants
Where
1 siteTurkey (Türkiye)
Study dates
1 Jan 2016to 1 Jun 2017
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 40 to 85 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • American Society of Anesthesiologists (ASA) physical Status 2-3
  • Patients undergoing elective cardiac bypass surgery

Who cannot join

  • Difficult intubation history
  • Need for Rapid sequence intubation or alternative intubation method
  • Emergency procedures
  • Patients that have predictive factors for difficult intubation
  • Patients with permanent pacemaker

Trial locations and contacts

1 site in 1 country.

Turkey (Türkiye)1 site
  • GATA Haydarpasa Training Hospital

    Istanbul, Asia, 34668

Other trials in Turkey (Türkiye)

About this study

Official title: Comparison of Hemodynamic Responses to Endotracheal Intubation With Glidescope Video Laryngoscope and Macintosh Direct Laryngoscope in Patients Undergoing Coronary Artery Bypass Surgery

Laryngoscopy and endotracheal intubation causes significant hemodynamic response and thus presents an increased risk for patients undergoing cardiac bypass surgery. Prevention or reduction of this increment is important for hemodynamic control. In this randomized single blind study, the aim of this study is to compare the hemodynamic responses of two different laryngoscopy techniques with Glidescope and Macintosh laryngoscope in coronary cardiac bypass surgery patients.

Read the detailed description

Laryngoscopy and endotracheal intubation causes significant hemodynamic response and thus presents an increased risk for patients undergoing cardiac bypass surgery. Prevention or reduction of this increment is important for hemodynamic control. In this randomized single blind study, the aim of this study is to compare the hemodynamic responses of two different laryngoscopy techniques with Glidescope and Macintosh laryngoscope in coronary cardiac bypass surgery patients. After induction with our institutional protocol for cardiac bypass surgery, hemodynamic data including heart rate, systolic and diastolic arterial pressure data will be recorded. Time for intubation, age, sex, ASA status data will also be recorded.

Conditions
Blood Pressure
Being tested
Glidescope, Macintosh Laryngoscope
Keywords
Glidescope, Cardiovascular surgery, Macintosh Laryngoscope, Hemodynamic response, Anesthesia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • GlidescopeDevice

    This standard GlideScope (GS) technique involves a midline laryngoscopy followed by insertion of a styletted endotracheal tube, once an adequate view of the vocal cords is achieved.

  • Macintosh LaryngoscopeDevice

    This technique involves a laryngoscopy followed by insertion of a styletted endotracheal tube, once an adequate view of the vocal cords is achieved.

Study groups in NCT02708420
Study groupRoleWhat they receive
Glidescope intubationOtherThis standard GlideScope (GS) technique involves a midline laryngoscopy followed by insertion of a styletted endotracheal tube, once an adequate view of the vocal cords is achieved.
Receives: Device: Glidescope
Macintosh LaryngoscopeOtherThis standard technique involves laryngoscopy followed by insertion of a styletted endotracheal tube, once an adequate view of the vocal cords is achieved.
Receives: Device: Macintosh Laryngoscope

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change in systolic blood pressure

    invasive blood pressure (mmHg) monitoring

    Measured: 5 minutes; At start of laryngoscopy and after 30th seconds, 60th seconds, 90th seconds, 120th seconds, 3rd minutes, 4th minutes, 5th minutes

  2. Change in heart rate

    Heart rate (beats per minute) will be measured before induction, and throughout and after laryngoscopy

    Measured: 5 minutes; At start of laryngoscopy and after 30th seconds, 60th seconds, 90th seconds, 120th seconds, 3rd minutes, 4th minutes, 5th minutes

  3. Change in diastolic blood pressure

    invasive blood pressure (mmHg) monitoring

    Measured: 5 minutes; At start of laryngoscopy and after 30th seconds, 60th seconds, 90th seconds, 120th seconds, 3rd minutes, 4th minutes, 5th minutes

  4. Change in mean arterial pressure

    invasive blood pressure (mmHg) monitoring

    Measured: 5 minutes;At start of laryngoscopy and after 30th seconds, 60th seconds, 90th seconds, 120th seconds, 3rd minutes, 4th minutes, 5th minutes

Secondary outcomes (2)
  1. Procedure time

    Total laryngoscopy and intubation time (minutes)

    Measured: 10 minutes

  2. Cormack lehane laryngoscopic view will be recorded

    laryngoscopic view data will be recorded according to Cormack Lehane scale (A Scale with 1-4)

    Measured: 10 minutes

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted15 Mar 2016 (estimated)
  2. Study start1 Jan 2016
  3. Primary completion18 May 2017
  4. Study completion1 Jun 2017

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Supportive care
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
70 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02708420
Sponsor's protocol ID
GataHRH
Status last verified
Mar 2016
First submitted
27 Feb 2016
Last updated
14 Jun 2017
Results posted
No
Data monitoring committee
No
Individual data sharing
Undecided

Publications

  • Friedman Z, Gurevich L, Siddiqui N. The effect of a modified GlideScope intubation technique on procedure times, airway morbidity and haemodynamic response. Eur J Anaesthesiol. 2016 Mar;33(3):229-30. doi: 10.1097/EJA.0000000000000339. No abstract available.

    PubMed 26760401
  • Amini S, Shakib M. Hemodynamic changes following endotracheal intubation in patients undergoing cesarean section with general anesthesia: application of glidescope(R) videolaryngoscope versus direct laryngoscope. Anesth Pain Med. 2015 Mar 30;5(2):e21836. doi: 10.5812/aapm.21836. eCollection 2015 Apr.

    PubMed 25866708
  • Dashti M, Amini S, Azarfarin R, Totonchi Z, Hatami M. Hemodynamic changes following endotracheal intubation with glidescope((R)) video-laryngoscope in patients with untreated hypertension. Res Cardiovasc Med. 2014 May;3(2):e17598. doi: 10.5812/cardiovascmed.17598. Epub 2014 Apr 1.

    PubMed 25478537
  • Aqil M. A study of stress response to endotracheal intubation comparing glidescope and flexible fiberoptic bronchoscope. Pak J Med Sci. 2014 Sep;30(5):1001-6. doi: 10.12669/pjms.305.4788.

    PubMed 25225515
  • Pournajafian AR, Ghodraty MR, Faiz SH, Rahimzadeh P, Goodarzynejad H, Dogmehchi E. Comparing GlideScope Video Laryngoscope and Macintosh Laryngoscope Regarding Hemodynamic Responses During Orotracheal Intubation: A Randomized Controlled Trial. Iran Red Crescent Med J. 2014 Apr;16(4):e12334. doi: 10.5812/ircmj.12334. Epub 2014 Apr 5.

    PubMed 24910788
  • Maassen RL, Pieters BM, Maathuis B, Serroyen J, Marcus MA, Wouters P, van Zundert AA. Endotracheal intubation using videolaryngoscopy causes less cardiovascular response compared to classic direct laryngoscopy, in cardiac patients according a standard hospital protocol. Acta Anaesthesiol Belg. 2012;63(4):181-6.

    PubMed 23610856
  • Siddiqui N, Katznelson R, Friedman Z. Heart rate/blood pressure response and airway morbidity following tracheal intubation with direct laryngoscopy, GlideScope and Trachlight: a randomized control trial. Eur J Anaesthesiol. 2009 Sep;26(9):740-5. doi: 10.1097/EJA.0b013e32832b138d.

    PubMed 19417675
  • Xue FS, Zhang GH, Li XY, Sun HT, Li P, Li CW, Liu KP. Comparison of hemodynamic responses to orotracheal intubation with the GlideScope videolaryngoscope and the Macintosh direct laryngoscope. J Clin Anesth. 2007 Jun;19(4):245-50. doi: 10.1016/j.jclinane.2006.11.004.

    PubMed 17572317
  • Russell T, Khan S, Elman J, Katznelson R, Cooper RM. Measurement of forces applied during Macintosh direct laryngoscopy compared with GlideScope(R) videolaryngoscopy. Anaesthesia. 2012 Jun;67(6):626-31. doi: 10.1111/j.1365-2044.2012.07087.x. Epub 2012 Feb 21.

    PubMed 22352799

Questions about this trial

What is this clinical trial studying?

A study testing Glidescope and Macintosh Laryngoscope in people with Blood Pressure, run by Gata Haydarpasa Research Hospital at 1 site in Turkey (Türkiye).

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 14 Jun 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Turkey (Türkiye). Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change in systolic blood pressure (time frame: 5 minutes; At start of laryngoscopy and after 30th seconds, 60th seconds, 90th seconds, 120th seconds, 3rd minutes, 4th minutes, 5th minutes). The study lists 4 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02708420, which also lists 9 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 14 Jun 2017.

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