Research Article

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.

ItemsG group (n = 20)PR group (n = 20)PRD group (n = 20) value

Age (years)45.7 ± 1.347.1 ± 1.748.1 ± 1.50.962
Height (cm)165.4 ± 1.4165.9 ± 1.2164.6 ± 1.40.594
Weight (kg)68.0 ± 2.167.3 ± 2.372.4 ± 2.10.719
BMI (kg/m2)23.2 ± 0.523.4 ± 0.624.1 ± 0.60.574
Baseline HR (beats/min)83.0 ± 1.682.3 ± 2.984.8 ± 2.30.922
Baseline MAP (mmHg)96.7 ± 1.897.1 ± 1.595.5 ± 1.90.460
Surgery time (h)2.2 ± 0.12.2 ± 0.12.2 ± 0.10.614
Anesthesia time (h)2.5 ± 0.12.8 ± 0.12.9 ± 0.10.067

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.