Abdominal Wall Nerve Blockade: A Comparison With Local Port Site Injection

Status Withdrawn

Clinical Trial Summary

The investigators will perform a prospective randomized study to compare the effectiveness of laparoscopic-guided abdominal wall nerve blocks with local wound site infiltration and with ultrasounded guided abdominal wall blocks.

Clinical Trial Description

Pain control after abdominal surgery in children is often a complex, multifaceted problem that requires a multimodal approach to treatment. Infiltration of wounds with long-acting local anesthetic, either into the surgical field or through locoregional nerve blockade, has been known to decrease narcotic requirements. Nerve blocks of the abdominal wall can occur through several modalities, among them the transverse abdominis plane block and the rectus sheath block. The transversus abdominis plane (TAP) block places local anesthetic in a plane between the internal oblique and transversus abdominis muscles, directly blocking innervation of spinal nerves T9-L3, the ilioinguinal, iliohypogastric and lateral cutaneous branches of L1-3, reducing pain sensation to the anterior abdominal wall. The rectus sheath block places local anesthetic between the internal oblique and transversus abdominis at the level of the terminal branches of intercostal nerves 9-11.

The investigators will perform a prospective randomized study to compare the effectiveness of laparoscopic-guided abdominal wall nerve blocks with local wound site infiltration and with ultrasounded guided abdominal wall blocks.

The goal of this study is to determine whether patients who receive a nerve block have significantly less pain compared to patients who receive local infiltration of anesthetic. Secondly, the investigators believe that laparoscopic-guided abdominal wall nerve blocks should be as effective as abdominal wall blocks performed under ultrasound-guidance, and may in fact allow for more consistent infiltration of local anesthetic to desired nerve bundles. Thirdly, the investigators believe that laparoscopic-guided abdominal wall nerve blocks are significantly less time intensive than ultrasound-guided abdominal wall nerve blocks, allowing a cost savings and decreased time under general anesthesia. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02945696
Study type	Interventional
Source	University of Pittsburgh
Contact
Status	Withdrawn
Phase	N/A
Start date	October 2016
Completion date	October 2020

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Abdominal Wall Nerve Blockade: A Comparison With Local Port Site Injection as Well as Between the Use of Ultrasound and Laparoscopy to Guide Placement

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms