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The study was aimed to assess the effects of open thoracic paravertebral block on postoperative analgesia in patients undergoing open pulmonary lobectomy under general anesthesia. Then, A total of 90 patients with American Society of Anesthesiologists (ASA) scores of Ⅰ or Ⅱ, scheduled for open pulmonary lobectomy under propofol - remifentanil total intravenous anaesthesia, were randomly divided into PCIA group (group G), Ultrasound-guided TPVB combined with PCIA group (group U), and open TPVB combined with PCIA group (group E).Finally, the study find that Open TPVB can provided satisfactory analgesia for patients undergoing open pulmonary lobectomy under general anesthesia, and the analgesia efficacy was equivalent to the TPVB under ultrasound guidance,which should be popularized.
Purpose: The study was aimed to assess the effects of open thoracic paravertebral block on postoperative analgesia in patients undergoing open pulmonary lobectomy under general anesthesia.
Methods: A total of 90 patients with American Society of Anesthesiologists (ASA) scores of Ⅰ or Ⅱ, scheduled for open pulmonary lobectomy under propofol - remifentanil total intravenous anaesthesia, were randomly divided into 3 groups (n = 30 each) by using a random number table: PCIA group (group G), Ultrasound-guided TPVB combined with PCIA group (group U), and open TPVB combined with PCIA group (group E). In group G, patients were received PCIA after the surgery. In group U, TPVB was performed on the operated side under ultrasound guidance with 0.25% ropivacaine 30 ml combined with the PCIA after the surgery. In group E, the TPVB was performed under the direct vision with 0.25% ropivacaine 30 ml combined with the PCIA. The Visual Analogue Score (VAS) at rest and during coughing, the sensory nerve block segment, as well as the respiratory rate were measured and recorded at different time-points. Furthermore, the hemodynamic vital signs at different time - points, the number of successfully delivered doses 48 h after the surgery, as well as the incidence of postoperative complications were also recorded and analyzed.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Placebo group (group G) | Placebo Comparator |
| |
| Ultrasound-guided TPVB group (group U) | Active Comparator |
| |
| open TPVB group(group E) | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Open TPVB | Combination Product | In Group E,the thoracic paravertebral block was performed under the direct vision with 0.25% ropivacaine 30 ml,and the Patient-controlled intravenous analgesia was administer after the surgery. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Visual Analogue Score at rest | Visual Analogue Score at rest was recorded at 30 minutes after extubation,1 hour after extubation, 2 hour after extubation, 4 hour after extubation, 6 hour after extubation, 8 hour after extubation, 12 hour after extubation, 24 hour after extubation, 48 hour after extubation. And the Visual Analogue Score was ranged from 0 to 10 (0 = no pain and 10 = worst pain imaginable). | 30 minutes after extubation,1 hour after extubation, 2 hour after extubation, 4 hour after extubation, 6 hour after extubation, 8 hour after extubation, 12 hour after extubation, 24 hour after extubation, 48 hour after extubation |
| Change in Visual Analogue Score during coughing | Visual Analogue Score (VAS) during coughing was recorded 30 minutes after extubation,1 hour after extubation, 2 hour after extubation, 4 hour after extubation, 6 hour after extubation, 8 hour after extubation, 12 hour after extubation, 24 hour after extubation, 48 hour after extubation. And the Visual Analogue Score was ranged from 0 to 10 (0 = no pain and 10 = worst pain imaginable). | 30 minutes after extubation,1 hour after extubation, 2 hour after extubation, 4 hour after extubation, 6 hour after extubation, 8 hour after extubation, 12 hour after extubation, 24 hour after extubation, 48 hour after extubation |
| Change in the respiratory rate | The respiratory rate was recorded at 30 minutes after extubation,1 hour after extubation, 2 hour after extubation, 4 hour after extubation, 6 hour after extubation, 8 hour after extubation, 12 hour after extubation, 24 hour after extubation, 48 hour after extubation. | 30 minutes after extubation,1 hour after extubation, 2 hour after extubation, 4 hour after extubation, 6 hour after extubation, 8 hour after extubation, 12 hour after extubation, 24 hour after extubation, 48 hour after extubation. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Blood pressure | The blood pressure was recorded at the time points of immediately after the nerve block, 5 minutes after the nerve block, 10 minutes after the nerve block, 15 minutes after the nerve block, 20 minutes after the nerve block, 30 minutes after the nerve block, 45 minutes after the nerve block, 1 hour after the nerve block, 2 hour after the nerve block. | immediately after the nerve block, 5 minutes after the nerve block, 10 minutes after the nerve block, 15 minutes after the nerve block, 20 minutes after the nerve block, 30 minutes after the nerve block, 45 minutes after the nerve block, 1 hour after the |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Guoliang Zhao | First Affiliated Hospital of Kunming Medical University | Principal Investigator |
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| ID | Term |
|---|---|
| D008175 | Lung Neoplasms |
| ID | Term |
|---|---|
| D012142 | Respiratory Tract Neoplasms |
| D013899 | Thoracic Neoplasms |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
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| Ultrasound-guided TPVB | Combination Product | In Group U, thoracic paravertebral block was performed on the operated side under ultrasound guidance with 0.25% ropivacaine 30 ml,and the Patient-controlled intravenous analgesia was administer after the surgery. |
|
| placebo | Other | In Group G,patients were just received Patient-controlled intravenous analgesia after the surgery. |
|
| Change in Heart Rate | The Heart Rate was recorded at the time points of immediately after the nerve block, 5 minutes after the nerve block, 10 minutes after the nerve block, 15 minutes after the nerve block, 20 minutes after the nerve block, 30 minutes after the nerve block, 45 minutes after the nerve block, 1 hour after the nerve block, 2 hour after the nerve block. | immediately after the nerve block, 5 minutes after the nerve block, 10 minutes after the nerve block, 15 minutes after the nerve block, 20 minutes after the nerve block, 30 minutes after the nerve block, 45 minutes after the nerve block, 1 hour after the |
| Change in pulse oximetry | The pulse oximetry was recorded at the time points of immediately after the nerve block, 5 minutes after the nerve block, 10 minutes after the nerve block, 15 minutes after the nerve block, 20 minutes after the nerve block, 30 minutes after the nerve block, 45 minutes after the nerve block, 1 hour after the nerve block, 2 hour after the nerve block. | immediately after the nerve block, 5 minutes after the nerve block, 10 minutes after the nerve block, 15 minutes after the nerve block, 20 minutes after the nerve block, 30 minutes after the nerve block, 45 minutes after the nerve block, 1 hour after the |
| The number of successfully delivered doses of the patient-controlled intravenous analgesia pump | The number of successfully delivered doses of the patient-controlled intravenous analgesia pump was recorded 48 hour after the surgery. | 48 hour after the surgery |
| The operating time of thoracic paravertebral block | From onset the thoracic paravertebral block to 24 hour after the surgery |
| The degree of parents'satisfaction with analgesia | The degree of parents'satisfaction with analgesia was recorded three days after the surgery. | up to three days after the surgery |
| The postoperative complications like agitation, respiratory depression, nausea, vomiting | The postoperative complications like agitation, respiratory depression, nausea, vomiting were recorded three days after the surgery. | up to three days after the surgery |
| D008171 |
| Lung Diseases |
| D012140 | Respiratory Tract Diseases |