Comparison between Phentolamine and Nitroglycerin for Controlled Hypotension during Functional Endoscopic Sinus Surgery (FESS)

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR201712002828410

Enrollment

Registered

2017-11-30

Start date

2017-11-25

Completion date

Unknown

Last updated

2026-01-27

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

Conditions

Surgery Hypotensive Anesthesia Anaesthesia

Interventions

Phentolamine

Nitroglycerin

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: ASA grade I and II between the ages of 20-50 years BMI less than 30 kg/m2

Exclusion criteria

Exclusion criteria: ischemic heart diseases heart block congestive heart failure valvular heart diseases cerebrovascular diseases impaired kidney function history of chronic liver diseases uncontrolled hypertension asthma chronic obstructive lung diseases diabetes mellitus coagulation disorders pregnancy history of allergy to any drug substance abuse

Design outcomes

Primary

Measure	Time frame
the achievement of controlled hypotension with MAP of 50-65 mmHg	—

Secondary

Measure	Time frame
blood loss	—

Countries

Egypt

Contacts

Public ContactDina Mahmoud

Resident of Anesthesia

dina_fakhry_91@yahoo.com01289998680

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Feb 4, 2026