期刊
JOURNAL OF CLINICAL MEDICINE
卷 8, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/jcm8030352
关键词
dexmedetomidine; video-assisted thoracoscopic surgery (VATS); thoracic paravertebral block (TPVB); pain; postoperative
资金
- Chungnam National University Hospital Research Fund [2018-CF-024]
Background: The addition of the adjuvant dexmedetomidine to a nerve block improves the quality of the block and reduces perioperative opioid consumption. The aim of this study was to assess the effect of dexmedetomidine as an adjuvant for the thoracic paravertebral block (TPVB) in postoperative pain control after video-assisted thoracoscopic surgery (VATS). Methods: Sixty-six males, aged 15-40 years, with spontaneous pneumothorax scheduled for VATS wedge resection were enrolled. Following surgery, ultrasound-guided TPVB was performed on the T3 and T5 levels with 30 mL of 0.5% ropivacaine, plus adjuvant dexmedetomidine 50 mu g or normal saline. The primary outcome was cumulative fentanyl consumption at 24 h. Pain severity, the requirement for additional rescue analgesics, hemodynamic variations, and side effects were also evaluated. Results: Median postoperative cumulative fentanyl consumption at 24 h was significantly lower in the dexmedetomidine group (122.6 (interquartile range (IQR) 94.5-268.0) mu g vs. 348.1 (IQR, 192.8-459.2) mu g, p-value = 0.001) with a Hodges-Lehman median difference between groups of 86.2 (95% confidence interval (CI), 4.2-156.4) mg. Coughing numeric rating scale (NRS) was lower in the dexmedetomidine group at postoperative 2, 4, 8, and 24 h. However, resting NRS differed significantly only after 4 h postoperative. Conclusions: Dexmedetomidine as an adjunct in TPVB provided effective pain relief and significantly reduced opioid requirement in VATS.
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