Thoracic Paravertebral Nerve Block with Ropivacaine and Adjuvant Dexmedetomidine Produced Longer Analgesia in Patients Undergoing Video-Assisted Thoracoscopic Lobectomy: A Randomized Trial
Table 1
Characteristics of the patients and surgery.
Items
G group (n = 20)
PR group (n = 20)
PRD group (n = 20)
value
Age (years)
45.7 ± 1.3
47.1 ± 1.7
48.1 ± 1.5
0.962
Height (cm)
165.4 ± 1.4
165.9 ± 1.2
164.6 ± 1.4
0.594
Weight (kg)
68.0 ± 2.1
67.3 ± 2.3
72.4 ± 2.1
0.719
BMI (kg/m2)
23.2 ± 0.5
23.4 ± 0.6
24.1 ± 0.6
0.574
Baseline HR (beats/min)
83.0 ± 1.6
82.3 ± 2.9
84.8 ± 2.3
0.922
Baseline MAP (mmHg)
96.7 ± 1.8
97.1 ± 1.5
95.5 ± 1.9
0.460
Surgery time (h)
2.2 ± 0.1
2.2 ± 0.1
2.2 ± 0.1
0.614
Anesthesia time (h)
2.5 ± 0.1
2.8 ± 0.1
2.9 ± 0.1
0.067
Values are mean ± SEM. G: general anesthesia; PR, paravertebral ropivacaine; PRD, paravertebral ropivacaine and dexmedetomidine; BMI, body mass index; HR, heart rate; MAP, mean arterial pressure.