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Thoracic surgery can produce severe postoperative acute pain, which can easily lead to cough weakness, atelectasis, respiratory restriction, pneumonia, hypoxemia, secretion retention, respiratory failure and other adverse events. Esketamine can reduce the demand of analgesic opioids, reduce the respiratory depression caused by opioids, improve ventilation, significantly reduce postoperative pain and prolong the analgesic time after thoracic surgery. Therefore, the application of esketamine in postoperative analgesia of patients undergoing thoracoscopic surgery may help to improve the respiratory function of clinical patients and further improve the postoperative analgesia effect, so as to achieve the purpose of accelerating the surgical rehabilitation of patients undergoing thoracoscopic surgery. Esketamine is rarely used in perioperative period in China, and the development of its safe and reasonable application methods and potential role in perioperative anesthesia needs further research and verification. Generally speaking, at present, there is still a lack of evaluation of ketamine in improving respiratory function, pain, anxiety and depression after thoracoscopic surgery, and there is no direct clinical evidence.
At present, sufentanil is the most commonly used drug for postoperative analgesia in patients undergoing clinical surgery. As a strong opioid, although sufentanil can provide good analgesic effect, the respiratory depression caused by sufentanil is not conducive to the recovery of postoperative lung function in patients undergoing thoracic surgery. The action sites of esketamine include N- methyl-aspartic acid (NMDA) receptor, opioid receptor, monoamine receptor, M cholinergic receptor, sodium channel, calcium channel, etc., which can relieve respiratory depression caused by opioids, stimulate respiration, relax airway smooth muscle, prevent hyperalgesia caused by opioids, reduce the dosage of postoperative analgesics and prolong the duration of postoperative analgesia. Therefore, esketamine is likely to improve postoperative respiratory function of patients after thoracoscopic surgery and play a good role. To sum up, this study is intended to include patients undergoing elective thoracoscopic surgery. Through a prospective randomized controlled double-blind clinical trial, different analgesic drugs of intravenous patient-controlled analgesia and simple conventional opioid analgesic sufentanil are used as the control. Combined with the investigation of preoperative and postoperative tidal volume, oxygenation index, postoperative pain and postoperative recovery outcome, the effects of esketamine on postoperative respiratory function, postoperative pain and overall rehabilitation of these patients are compared, so as to provide direct clinical evidence for improving postoperative lung function of patients undergoing elective thoracoscopic surgery, and at the same time, provide a choice for thoracoscopic surgery.
To explore the effect of esketamine on improving postoperative respiratory function, pain, depression and anxiety and overall rehabilitation of patients undergoing thoracoscopic surgery. Compound esketamine is used for postoperative analgesia, thus providing direct clinical evidence for improving postoperative pulmonary function of patients undergoing elective thoracoscopic surgery, and providing reference for improving postoperative pain, anxiety and depression of patients undergoing elective thoracoscopic surgery.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Esketamine arm | Experimental | Self-controlled intravenous analgesia pump was used for continuous injection, and it was prepared according to sufentanil 1.5ug/ml+ esketamine 0.75ug/ml+16mg ondansetron. After the operation, the analgesic pump was connected, and sufentanil 0.1ug/kg/h+ e sketamine 0.05mg/kg/h was pumped continuously for 24 hours. The continuous infusion of analgesia pump is (kg body weight/15) ml/h. (e.g. 60kg, pump speed 4ml/h, total amount 96ml). |
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| Sufentanil arm | No Intervention | Continuous pumping with self-controlled intravenous analgesia pump. According to sufentanil 1.5ug/ml+16mg ondansetron. At the end of the operation, connect the analgesic pump, and pump it with sufentanil at 0.1ug/kg/h for 24 hours. The continuous infusion of analgesia pump is (kg body weight/15) ml/h. (e.g. 60kg, pump speed 4ml/h, total amount 96ml). |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Esketamine | Drug | Self-controlled intravenous analgesia pump was used for continuous injection, and it was prepared according to sufentanil 1.5ug/ml+ esketamine 0.75ug/ml+16mg ondansetron. After the operation, the analgesic pump was connected, and sufentanil 0.1ug/kg/h+ esketamine 0.05mg/kg/h was pumped continuously for 24 hours. The continuous infusion of analgesia pump is (kg body weight/15) ml/h. (e.g. 60kg, pump speed 4ml/h, total amount 96ml). |
| Measure | Description | Time Frame |
|---|---|---|
| Minute ventilation volume 0 | Minute ventilation volume before anesthesia induction | Before anesthesia induction |
| Minute ventilation volume 1 | Minute ventilation volume after extubation | Within 5 minutes after extubation |
| Minute ventilation volume 2 | Minute ventilation volume on the first morning | postoperative day 1 (POD1) morning |
| Minute ventilation volume 3 | Minute ventilation volume on the first afternoon | postoperative day 1 (POD1) afternoon |
| Minute ventilation volume 4 | Minute ventilation volume on the next morning | postoperative day 2 (POD2) morning |
| Minute ventilation volume 5 | Minute ventilation volume on the next afternoon | postoperative day 2 (POD2) afternoon |
| Tidal volume 0 | Tidal volume before anesthesia induction | Before anesthesia induction |
| Tidal volume 1 | Tidal volume after extubation | Within 5 minutes after extubation |
| Measure | Description | Time Frame |
|---|---|---|
| Vas score 1 | The higher the score, the more painful it is. | Within 5 minutes after extubation |
| Vas score 2 | The higher the score, the more painful it is. |
| Measure | Description | Time Frame |
|---|---|---|
| Depression scale 0 | PHQ-9， The higher the score, the more depressed. | Before anesthesia induction |
| Depression scale 2 | PHQ-9，The higher the score, the more depressed. |
Inclusion Criteria:
5. Obtain the informed consent of patients and their families;
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University | Chongqing | Chongqing Municipality | 400010 | China |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 38322862 | Derived | Fu M, Xu R, Chen G, Zheng X, Shu B, Huang H, Duan G, Chen Y. Postoperative esketamine improves ventilation after video-assisted thoracoscopic lung resection: A double-blinded randomized controlled trial. Heliyon. 2024 Jan 24;10(3):e25100. doi: 10.1016/j.heliyon.2024.e25100. eCollection 2024 Feb 15. |
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The individual participant data for this study is available from the sponsor on reasonable request through email.
Within one year
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| ID | Term |
|---|---|
| C000629870 | Esketamine |
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| Tidal volume 2 | Tidal volume on the first morning after surgery | Day1 （The first morning after surgery） |
| Tidal volume 3 | Tidal volume on the first afternoon after surgery | Day1（The afternoon of the first day after surgery） |
| Tidal volume 4 | Tidal volume on the next morning after surgery | day 2 ( second morning after surgery) |
| Tidal volume 5 | Tidal volume on the next afternoon after surgery | day 2 ( second afternoon after surgery) |
| Respiratory rate 0 | Respiratory rate before anesthesia induction | Before anesthesia induction |
| Respiratory rate 1 | Respiratory rate after extubation | Within 5 minutes after extubation |
| Respiratory rate 2 | Respiratory rate on the first morning after surgery | Day1 （The first morning after surgery） |
| Respiratory rate 3 | Respiratory rate on the first afternoon after surgery | Day1 （The afternoon of the first day after surgery） |
| Respiratory rate 4 | Respiratory rate on the next morning after surgery | day 2 ( second morning after using surgery) |
| Respiratory rate 5 | Respiratory rate on the next afternoon after surgery | day 2 ( second afternoon after surgery) |
| postoperative day 1 (POD1) morning |
| Vas score 3 | The higher the score, the more painful it is. | postoperative day 1 (POD1) afternoon |
| Vas score 4 | The higher the score, the more painful it is. | postoperative day 2 (POD2) morning |
| Vas score 5 | The higher the score, the more painful it is. | postoperative day 2 (POD2) afternoon |
| Oxygenation index 0 | Oxygenation index (calculated as PaO2/FiO2) before anesthesia induction | Before anesthesia induction |
| Oxygenation index 1 | Oxygenation index (calculated as PaO2/FiO2) after extubation | Within 5 minutes after extubation |
| Oxygenation index 3 | Oxygenation index (calculated as PaO2/FiO2) on the first morning | postoperative Day 1 |
| Incidence of postoperative pulmonary complications during hospitalization | postoperative pulmonary complications during hospitalization was assessed using the Melbourne Group Scale, whcih reached four or more of the 8 criteria would be diagnosed with postoperative pulmonary complications. | From end of the surgery to hospital discharge with about mean of 7 days after surgery |
| incidence of hypoxemia during the first and second day after surgery | hypoxemia is defined as SpO2<92% during the first and second day after surgery | from end of the surgery to the second day after surgery |
| Day 1(the first morning after using PCIA) |
| Depression scale 4 | PHQ-9，The higher the score, the more depressed. | day 2 ( second morning after using PCIA) |
| anxiety score 0 | GAD-7，The higher the score, the more anxious. | Before anesthesia induction |
| anxiety score 2 | GAD-7，The higher the score, the more anxious. | Day1(the first morning after using PCIA) |
| anxiety score 4 | GAD-7，The higher the score, the more anxious. | day 2 ( second morning after using PCIA) |
| sleep quality during the first two days after surgery | assessed by Richards-Campbell sleep score, which higher socre represents better sleep quality | from end of the surgery to the second day after surgery |
| The Second Affiliated Hospital, Chongqing Medical University | Chongqing | Chongqing Municipality | 400010 | China |