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Clinical Trial Summary

Effective postoperative analgesia after cesarean section (CS) is important because it enables early ambulation and facilitates breast-feeding. A 2009 Cochrane review concluded that wound infiltration with local analgesic after CS reduced opioid consumption. In addition, two regional anesthetic techniques, the transversus abdominis plane (TAP) block and the quadratus lumborum block (QLB), have been shown in multiple studies to reduce post-operative opioid consumption after CS. A recent randomized controlled trial showed that QLB is more effective in reducing morphine consumption post-CS compared to TAP. No randomized controlled trial to date, however, compared the analgesic effect of QLB with infiltration of the wound after CS. The objective of the study is to compare the analgesic effect of QLB type 2 with wound infiltration after CS.


Clinical Trial Description

Effective postoperative analgesia after cesarean section (CS) is important because it enables early ambulation and facilitates breast-feeding. Post-CS analgesia is usually multimodal. At our hospital, patients are routinely given a combination of parenteral paracetamol, metamizole and tramadol at fixed intervals with additional intravenous piritramide on demand. The well-known side effects of piritramide (nausea, vomiting, and sedation) may interfere with interaction between mother and child, breast-feeding and post-partum experience in a dose-dependent manner. Alternative strategies to reduce rescue opioid analgesic consumption post-CS section are, therefore, required.

A 2009 Cochrane review concluded that wound infiltration with local analgesic after CS reduced opioid consumption. In addition, two regional anesthetic techniques, the transversus abdominis plane (TAP) block and the quadratus lumborum block (QLB), have been shown in multiple studies to reduce post-operative opioid consumption after CS. A recent randomized controlled trial showed that QLB is more effective in reducing morphine consumption post-CS compared to TAP.

Telnes et al. compared TAP block with wound infiltration with local anesthetic following CS. They found no reduction in cumulative morphine consumption and more pronounced sedation associated with TAP block. No randomized controlled trial to date, however, compared the analgesic effect of QLB with infiltration of the wound after CS.

The objective of the study is to compare the analgesic effect of QLB type 2 with wound infiltration after CS. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04000308
Study type Interventional
Source University Medical Centre Ljubljana
Contact
Status Completed
Phase N/A
Start date August 28, 2019
Completion date May 12, 2020

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