To assess the pain relief and the hemodynamic stability of ropivacaine with epinephrine in BABA endoscopic and robotic thyroidectomy.
Diluted ropivacaine with epinephrine is injected into the subcutaneous space to relieve pain and reduce bleeding during procedures. The synergistic effect of ropivacaine with epinephrine can contribute to patients' welfare, such as relieving pain and structuring the hemodynamic stability.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
148
1 mg/mL 1cc epinephrine is diluted in 100cc normal saline and then 7.5 mg/mL 30cc ropivacaine is diluted in the same normal saline. The mixture is injected into the subcutaneous layer for the initial flap dissection for the experiment group.
100cc normal saline is injected into the subcutaneous layer for the initial flap dissection for the placebo group.
Seoul National University Bundang Hospital
Seongnam-si, Gyeonggi-do, South Korea
Seoul National University Hospital
Seoul, South Korea
NRS Pain Scores for the First 12 Hours
The numerical rating scale is utilized to assess the postoperative pain change for the first 12 hours according to location. Range: 0(minimal pain, better outcome) \~ 10(maximum pain, worse outcome) Unlike the general NRS pain score as reported in the "post-operative 48 hour" result which deals with post-operative discomfort in general, this outcome measures the pain score of the specific location in which flap dissection had taken place.
Time frame: Postoperative 12 hours
Maximum of Measured Systolic Blood Pressures
The maximal systolic blood pressure is monitored during surgery.
Time frame: participants were followed for the duration of the operation, an average of approximately 2.5 hours
Maximum of Measured Diastolic Blood Pressures
The maximal diastolic blood pressure is monitored during surgery.
Time frame: participants were followed for the duration of the operation, an average of approximately 2.5 hours
Maximum of Measured Heart Rates
The maximal heart rate is monitored during surgery.
Time frame: participants were followed for the duration of the operation, an average of approximately 2.5 hours
Blood Loss Amount
The blood loss amount is estimated at the end of surgery.
Time frame: participants were followed for the duration of the operation, an average of approximately 2.5 hours
Operation Time
The amount of time taken from start to the end of surgery
Time frame: participants were followed for the duration of the operation, an average of approximately 2.5 hours
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NRS Change
Change in NRS score a with time The numerical rating scale is utilized to assess the postoperative pain change for the first 12 hours according to location. Range: 0(minimal pain, better outcome) \~ 10(maximum pain, worse outcome)
Time frame: 0, 1, 2, 4, 6, 9, 12, 24, and 48 hours post operation
Pain Killer Dose
Change in pain killer usage with time
Time frame: 0, 1, 2, 4, 6, 9, 12, 24, and 48 hours post operation