The purpose of this study is to determine whether bilateral infraorbital and infratrochlear nerve block in patients undergoing septorhinoplasty are effective in preventing emergence agitation.
Emergence agitation is a postanesthetic phenomenon characterized as confusion, disorientation and violent behavior. Although its etiology is not well understood, risk factors associated with the condition include pain and ENT (ear, nose and throat) surgery. Bilateral infraorbital and infratrochlear nerve block in patients undergoing septorhinoplasty is effective in treating postoperative pain. The investigators have designed this study to evaluate the effect of infraorbital and infratrochlear nerve block on emergence agitation in patients undergoing septorhinoplasty.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
TRIPLE
Enrollment
66
Bilateral infraorbital and infratrochlear nerve block before general anesthesia with normal saline
Bilateral infraorbital and infratrochlear nerve block before general anesthesia with 0.5% ropivacaine
Armed Forces Hampyeong Hospital
Geumgyeri, Haebo-myeon, Hampyeong-gun, Jeollanam-do, South Korea
Emergence agitation
Emergence agitation is measured by Riker Sedation-Agitated Scale (RASS) and is defined as RASS=5-7
Time frame: 2 hours after surgery
Pain intensity
0-10 numerical rating scale (NRS) : from 0 = no pain to 10 = worst pain imaginable
Time frame: 2, 8, 24, 48 hours after surgery
Patient satisfaction
1-5 scale (1: very unsatisfactory, 2: rather unsatisfactory, 3: fair, 4: rather satisfactory, 5: very satisfactory)
Time frame: 48 hours after surgery
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