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Management of pain after caesarean section represents an important anesthesiologic issue, since it is often suboptimal, leading to delayed functional recovery and chronic pain. Currently, the postoperative analgesic strategy mostly relies on intrathecal morphine (ITM) and multimodal analgesic regimen. Recently, the need for alterative opioid sparing techniques is emerging. Paraspinal fascial plane blocks, as quadratus lumborum block (QLB) and erector spinae plane block (ESPB) performed at T9 level, have therefore been proposed as alternatives to ITM, because of their demonstrated effect on visceral and somatic pain.
The aim of the study is to assess the efficacy, the feasibility and safety of bilateral ESPB compared to bilateral QLB for the management of postoperative pain after ceasarean section conducted under spinal anesthesia without ITM.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| ESPB | A prospective cohort of 25 patients ASA 2 (according to American Society of Anesthesiologists physical status classification) with normal singleton pregnancy, scheduled for elective caesarean section under spinal anesthesia without intrathecal morphine, who underwent bilateral echo-guided ESPB at T9 level at the end of surgery. |
| |
| p-QLB | A historical cohort of 25 patients ASA 2 (according to American Society of Anesthesiologists physical status classification) with normal singleton pregnancy, scheduled for elective caesarean section under spinal anesthesia without intrathecal morphine, who underwent bilateral echo-guided p-QLB at the end of surgery. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| ESPB | Procedure | Echo-guided bilateral ESPB performed at T9 level at the end of surgery with a mixture of ropivacaine 0.375% and epinephrine 5 mcg/mL 20 mL each side. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Opioid consumption at 24 h | Total morphine consumption at 24 hours from block performance | 24 hours from block performance |
| Measure | Description | Time Frame |
|---|---|---|
| Intensity of pain at time of block performance | NRS (Numeric Rating Scale) for pain at rest and on movement at time of block performance. NRS is an 11-point numeric scale ranging from 0 (= no pain) to 10 (=extreme pain) | Time of block performance, at the end of surgery |
| Intensity of pain at 2 hours |
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Inclusion Criteria:
- Patients ASA 2 with normal singleton pregnancy, scheduled for elective caesarean section without intrathecal morphine, who underwent bilateral ESPB at the end of surgery an who gave informed consent to data collection.
Exclusion Criteria:
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The study is an observational comparative study, including a prospective cohort (the ESPB group) and a historical control group (the p-QLB group) from our institution.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Fondazione Policlinico Gemelli | Roma | RM | Italy |
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NRS (Numeric Rating Scale) for pain at rest and on movement at 2 hours from block performance. NRS is an 11-point numeric scale ranging from 0 (= no pain) to 10 (=extreme pain) |
| 2 hours from block performance |
| Intensity of pain at 6 hours | NRS (Numeric Rating Scale) for pain at rest and on movement at 6 hours from block performance. NRS is an 11-point numeric scale ranging from 0 (= no pain) to 10 (=extreme pain) | 6 hours from block performance |
| Intensity of pain at 12 hours | NRS (Numeric Rating Scale) for pain at rest and on movement at 12 hours from block performance. NRS is an 11-point numeric scale ranging from 0 (= no pain) to 10 (=extreme pain) | 12 hours from block performance |
| Intensity of pain at 24 hours | NRS (Numeric Rating Scale) for pain at rest and on movement at 24 hours from block performance. NRS is an 11-point numeric scale ranging from 0 (= no pain) to 10 (=extreme pain) | 24 hours from block performance |
| Adverse events | Any adverse events, like sedation, itching, nausea, and other complications, particularly signs of local anesthetic toxicity, the occurrence or persistence of motor weakness at the lower extremities after spinal anesthesia recovery. | Any time during the first 24 hours from block performance. |
| Time to first opioid request | Interval time between block and first opioid analgesic request | Any time during the first 24 hours from block performance |
| Differences in hemodynamic parameters | Any difference in hemodynamic parameters (non-invasive blood pressure, heart rate) | Any time during the first 24 hours from block performance |
| ID | Term |
|---|---|
| D010149 | Pain, Postoperative |
| ID | Term |
|---|---|
| D011183 | Postoperative Complications |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D010146 | Pain |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
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