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The Effect of Intranasally Administered Nitroglycerin on Hemodynamic Response to Laryngoscopy and Intubation Among Patients Undergoing Coronary Artery Bypass Grafting (CABG) Surgery

The Effect of Intranasally Administered Nitroglycerin on Hemodynamic Response to Laryngoscopy and Intubation Among Patients Undergoing Coronary Artery Bypass Grafting (CABG) Surgery

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06637956
Enrollment
58
Registered
2024-10-15
Start date
2024-01-01
Completion date
2024-06-30
Last updated
2024-10-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Coronary Artery Bypass Grafting

Keywords

Intranasal, nitroglycerin, hemodynamic response, larayngoscopy, intubation, coronary artery bypass grafting

Brief summary

Numerous preventive medications have been used to lessen the cardiovascular response to laryngoscopy and intubation. Though some advantages have been noted, most of these treatments have not been found to be completely satisfying. However, nitroglycerin is the most widely utilized medicine due to its fast effect, short half-life, and absence of sedative qualities.

Detailed description

The circulatory system under compromise is less resilient to the effects of general anaesthesia. Inducing anaesthesia is a crucial step for cardiac patients because their impaired circulatory systems are less tolerant to depression. During coronary artery bypass grafting surgery, the primary objective of general anesthesia is to reduce sympathetic response to uncomfortable stimuli, including laryngoscopy, intubation, skin incision, sternal splitting, and spreading. A rise in blood pressure is one of the hemodynamic reactions that is typically associated with tracheal intubation and laryngoscopy. The impact of intra nasally delivered nitroglycerin on blood pressure response to laryngoscopy and intubation in patients having non-cardiac surgery is currently contentious; however, this study focus on coronary artery bypass grafting surgery patients.

Interventions

Received 1 mg of nitroglycerin intranasally two minutes prior to laryngoscopy and intubation

Sponsors

Muhammad Aamir Latif
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
35 Years to 60 Years
Healthy volunteers
No

Inclusion criteria

* Both genders * Patients undergoing coronary artery bypass grafting surgery. * Patients aged 35-60 years. * Ejection Fraction between 50-60%. * American Society of Anesthesiologists Classification 3-4.

Exclusion criteria

* Known hypersensitivity to nitroglycerin. * Anticipated difficult airway. * Emergency surgery.

Design outcomes

Primary

MeasureTime frameDescription
Mean aterial pressure5 minutes post intubationMean arterial pressure was measured prior to and after intubation
Heart rate5 minutes post intubationHeart rate was measure prior to and after intubation
Systolic blood pressure5 minutes post intubationSystolic blood pressure was measure prior to and after itubation
Diastolic blood pressure5 minutes post intubationDiastolic blood pressure was measure prior to and after intubation

Countries

Pakistan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026