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The purpose of this study is to compare the analgesic effect of ultrasound-guided quadratus lumborum block and iliohypogastric/ilioinguinal nerve block for postoperative pain management in patients undergoing cesarean section.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| quadratus lumborum block | Experimental | Parturients receive ultrasound-guided quadratus lumborum block as post-operative analgesia. |
|
| iliohypogastric/ilioinguinal nerve block | Experimental | Parturients receive ultrasound-guided iliohypogastric/ilioinguinal nerve block as post-operative analgesia. |
|
| epidural analgesia | Active Comparator | Parturients receive epidural morphine via epidural catheter placed during anesthesia as post-operative analgesia. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| quadratus lumborum block | Procedure | Quadratus lumborum block is an effective nerve block method in post-cesarean section analgesia. It is a relatively new technique that may provide analgesic effect in somatic pain and visceral pain, but has not been verified yet. |
| Measure | Description | Time Frame |
|---|---|---|
| morphine consumption | Every parturient use a patient-controlled intravenous analgesia pump as supplement for the interventions. The analgesia pump contains morphine and can record morphine consumption. Postoperative use of morphine can reflect analgesic effect. | 24 hours postoperatively |
| Measure | Description | Time Frame |
|---|---|---|
| morphine consumption | Every parturient use a patient-controlled intravenous analgesia pump as supplement for the interventions. The analgesia pump contains morphine and can record morphine consumption. Postoperative use of morphine can reflect analgesic effect. | 6 hours postoperatively |
| morphine consumption |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Yi Feng, MD | Peking University People's Hospital | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Peking University People's Hospital | Beijing | Beijing Municipality | 100044 | China |
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| iliohypogastric/ilioinguinal nerve block | Procedure | Iliohypogastric/ilioinguinal nerve block is a widely used nerve block technique. It can provide somatic analgesia effect in post-cesarean section. |
|
| epidural analgesia | Procedure | Epidural analgesia is a traditional analgesia method. Epidural morphine can provide effective analgesia but may cause plenty adverse effect. |
|
Every parturient use a patient-controlled intravenous analgesia pump as supplement for the interventions. The analgesia pump contains morphine and can record morphine consumption. Postoperative use of morphine can reflect analgesic effect. |
| 12 hours postoperatively |
| morphine consumption | Every parturient use a patient-controlled intravenous analgesia pump as supplement for the interventions. The analgesia pump contains morphine and can record morphine consumption. Postoperative use of morphine can reflect analgesic effect. | 48 hours postoperatively |
| pain score | Use visual analogue scale (VAS) 0-10 to evaluate pain intensity and reflect analgesic effect. 0 refers to completely no pain, 10 refers to the most severe pain she has experienced. | 6 hours postoperatively |
| pain score | Use visual analogue scale (VAS) 0-10 to evaluate pain intensity and reflect analgesic effect. 0 refers to completely no pain, 10 refers to the most severe pain she has experienced. | 12 hours postoperatively |
| pain score | Use visual analogue scale (VAS) 0-10 to evaluate pain intensity and reflect analgesic effect. 0 refers to completely no pain, 10 refers to the most severe pain she has experienced. | 24 hours postoperatively |
| pain score | Use visual analogue scale (VAS) 0-10 to evaluate pain intensity and reflect analgesic effect. 0 refers to completely no pain, 10 refers to the most severe pain she has experienced. | 48 hours postoperatively |
| effective analgesia time | Time period between finish the intervention and the first time parturient use the patient-controlled intravenous analgesia pump for analgesia supplement. | 48 hours postoperatively |
| adverse effect | Nausea and vomiting, pruritus, oversedation, respiratory depression and urinary retention are considered adverse effects. The incidence and severity are recorded, 1 score refers to mild, 2 scores refers to moderate, 3 scores refers to severe and treatment needed. | 6 hours postoperatively |
| adverse effect | Nausea and vomiting, pruritus, oversedation, respiratory depression and urinary retention are considered adverse effects. The incidence and severity are recorded, 1 score refers to mild, 2 scores refers to moderate, 3 scores refers to severe and treatment needed. | 12 hours postoperatively |
| adverse effect | Nausea and vomiting, pruritus, oversedation, respiratory depression and urinary retention are considered adverse effects. The incidence and severity are recorded, 1 score refers to mild, 2 scores refers to moderate, 3 scores refers to severe and treatment needed. | 24 hours postoperatively |
| adverse effect | Nausea and vomiting, pruritus, oversedation, respiratory depression and urinary retention are considered adverse effects. The incidence and severity are recorded, 1 score refers to mild, 2 scores refers to moderate, 3 scores refers to severe and treatment needed. | 48 hours postoperatively |
| satisfaction score | Ask the patient to evaluate satisfaction score using 0-10. 0 refers totally dissatisfied, 10 refers to the most satisfied | 48 hours postoperatively |
| hospital stay | The hospitalize length | at discharge assessed up to 10 days |
| hospitalize cost | Total cost in this hospitalization | at discharge assessed up to 10 days |
| ID | Term |
|---|---|
| D015360 | Analgesia, Epidural |
| ID | Term |
|---|---|
| D000698 | Analgesia |
| D000760 | Anesthesia and Analgesia |
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