Journal of orthopaedic surgery and research · 2021
Distribution of the T12 erector spinal muscle plane block in the dorsal region guided by ultrasound.
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Обработка статьи · этапы, ошибки и управление
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Zhang Jin-Feng, Zhang Wei-Wei, Wang Jia, Guo Hao, Wang Ting
Аннотация
BACKGROUND: This study aimed to explore the distribution of the erector spinal muscle plane block of the thoracic 12 vertebral body (T12) in the dorsal region guided by ultrasound.
METHODS: A total of 28 patients, who underwent elective lumbar surgery, were enrolled in the present study. These patients were aged between 18 and 65 years, and the American Society of Anesthesiologists (ASA) grade was 1 or 2. The block of the T12 transverse process erector spinal muscle was performed under the guidance of ultrasound, and each side was injected with 25 ml of 0.4% ropivacaine hydrochloride + 2 mg of dexamethasone. The back areas were measured using the cold-warm method (the back area was divided into 11 areas [T7-S1] with the body surface marker). At 10, 20, 30, 40, 50, and 60 min after the drug injection, the effectiveness of the regional block was recorded. The presence of puncture hematoma, local anesthesia drug poisoning, nausea, vomiting, headache, and dizziness after the block was recorded.
RESULTS: The range of the T12 transverse process block was basically fixed at 30 min after the single injection. No pneumothorax, hematoma, or local anesthetic poisoning occurred in any of the patients.
CONCLUSION: The effective longitudinal plane of the T12 transverse process erector spinal muscle block was mainly distributed in the T9-L5 dorsal cutaneous branches, and the distribution of the block area was safe and stable.
METHODS: A total of 28 patients, who underwent elective lumbar surgery, were enrolled in the present study. These patients were aged between 18 and 65 years, and the American Society of Anesthesiologists (ASA) grade was 1 or 2. The block of the T12 transverse process erector spinal muscle was performed under the guidance of ultrasound, and each side was injected with 25 ml of 0.4% ropivacaine hydrochloride + 2 mg of dexamethasone. The back areas were measured using the cold-warm method (the back area was divided into 11 areas [T7-S1] with the body surface marker). At 10, 20, 30, 40, 50, and 60 min after the drug injection, the effectiveness of the regional block was recorded. The presence of puncture hematoma, local anesthesia drug poisoning, nausea, vomiting, headache, and dizziness after the block was recorded.
RESULTS: The range of the T12 transverse process block was basically fixed at 30 min after the single injection. No pneumothorax, hematoma, or local anesthetic poisoning occurred in any of the patients.
CONCLUSION: The effective longitudinal plane of the T12 transverse process erector spinal muscle block was mainly distributed in the T9-L5 dorsal cutaneous branches, and the distribution of the block area was safe and stable.