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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04031196
Other study ID # 5504-16-9-2018
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date October 1, 2018
Est. completion date July 1, 2019

Study information

Verified date August 2020
Source Zagazig University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

QL block has been recently described for chronic pain following abdominal hernia repair, and for postoperative analgesia following abdominal surgery as it leads to complete pain relief in the dermatomal area from (T6 - L1). Theoretically, QL blocks might give better and longer-lasting analgesia compared to the US-guided anterior TAP block due to a spread to the thoracic paravertebral space and sympathetic nerves in the thoracolumbar fascia, so visceral afferent pathways to the medulla can be blocked.


Description:

Recently, the laparoscopic technique has been successfully used for many pediatric surgical cases. The laparoscopic appendicectomy is favored over the traditional open method, as it has a lower incidence of postoperative surgical complications and faster recovery to normal daily activities. Although it is considered as minimally invasive surgery, patients may require hospitalization for over 24 hours following laparoscopic appendicectomy, and postoperative pain which is caused by the surgical wound and visceroperitonitic pain as a result of peritoneal inflammation and infection, may extend the length of hospital stay.

Regional anesthesia techniques are commonly enhanced for pain management in pediatric surgical procedure as they decrease parenteral opioid requirements and improve patient-parent satisfaction [6].

The Transversus Abdominis Plane (TAP) block was first described in 2004 by McDonnell et al. using anatomical landmark guidance, and ultrasound-guided technique was later popularized by Hebbard et al. TAP block is aiming to block sensory nerves that course between the transversus abdominis and internal oblique muscles and supply the anterior abdominal wall, where local anesthetic is injected into the transversus abdominis fascial plane. Many clinical studies have reported the efficacy of TAP block in providing adequate postoperative analgesia for lower abdominal surgery.

Quadratus Lumborum block was initially described by R.Blanco as an abstract at the annual European Society of Regional Anaesthesia (ESRA) congress in 2007, where the local anesthetic (LA) was injected in the anterolateral aspect of the QL muscle (type 1 QL block). Later, J. Børglum used posterior transmuscular approach by detecting Shamrock sign and injecting the LA in the anterior aspect of the QL (type 3 QL block). Recently, R. Blanco described another approach by injecting the LA in the posterior aspect of the QL muscle (type 2 QL block), which may be easier and safer as the LA is injected in a more superficial plane, so the risk of intra-abdominal complications and lumbar plexus injuries is reduced. And finally the intramuscular QL block (type 4 QL block), the local anesthetic is injected directly into the QL muscle.

We hypothesize that ultrasound-guided QL block will be more superior than or equal to TAP block in providing postoperative analgesia for children undergoing laparoscopic appendicectomy.


Recruitment information / eligibility

Status Completed
Enrollment 34
Est. completion date July 1, 2019
Est. primary completion date March 1, 2019
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 7 Years to 12 Years
Eligibility Inclusion Criteria:

- parent and patient acceptance,

- Children 7-12 years old,

- 20-35kg bodyweight,

- ASA I-II,

- and scheduled for Laparoscopic appendicectomy

Exclusion Criteria:

- Patients refusing regional anesthesia,

- those with bleeding disorders,

- skin lesion at the needle insertion site,

- sepsis,

- liver disease,

- peritonitis,

- and emergency cases

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
QLB
QLB type 2 approach
TAP block
classic TAP block approach

Locations

Country Name City State
Egypt Faculty of medicine, zagazig university Zagazig Elsharqya

Sponsors (1)

Lead Sponsor Collaborator
Zagazig University

Country where clinical trial is conducted

Egypt, 

References & Publications (8)

Bharti N, Kumar P, Bala I, Gupta V. The efficacy of a novel approach to transversus abdominis plane block for postoperative analgesia after colorectal surgery. Anesth Analg. 2011 Jun;112(6):1504-8. doi: 10.1213/ANE.0b013e3182159bf8. Epub 2011 Apr 5. — View Citation

Blanco R, Ansari T, Riad W, Shetty N. Quadratus Lumborum Block Versus Transversus Abdominis Plane Block for Postoperative Pain After Cesarean Delivery: A Randomized Controlled Trial. Reg Anesth Pain Med. 2016 Nov/Dec;41(6):757-762. Erratum in: Reg Anesth Pain Med. 2018;43:111. — View Citation

Gupta V, Yadav SK, Dean E, Vincent P, Walid F, Al Said A. Paediatric laparoscopic orchidopexy as a novel mentorship: Training model. Afr J Paediatr Surg. 2013 Apr-Jun;10(2):117-21. doi: 10.4103/0189-6725.115035. — View Citation

Kadam VR. Ultrasound-guided quadratus lumborum block as a postoperative analgesic technique for laparotomy. J Anaesthesiol Clin Pharmacol. 2013 Oct;29(4):550-2. doi: 10.4103/0970-9185.119148. — View Citation

Murouchi T. Quadratus lumborum block intramuscular approach for pediatric surgery. Acta Anaesthesiol Taiwan. 2016 Dec;54(4):135-136. doi: 10.1016/j.aat.2016.10.003. Epub 2016 Dec 9. — View Citation

Siddiqui MR, Sajid MS, Uncles DR, Cheek L, Baig MK. A meta-analysis on the clinical effectiveness of transversus abdominis plane block. J Clin Anesth. 2011 Feb;23(1):7-14. doi: 10.1016/j.jclinane.2010.05.008. Review. — View Citation

Tupper-Carey DA, Fathil SM, Tan YK, Kan YM, Cheong CY, Siddiqui FJ, Assam PN. A randomised controlled trial investigating the analgesic efficacy of transversus abdominis plane block for adult laparoscopic appendicectomy. Singapore Med J. 2017 Aug;58(8):481-487. doi: 10.11622/smedj.2016068. Epub 2016 Apr 8. — View Citation

Visoiu M, Yakovleva N. Continuous postoperative analgesia via quadratus lumborum block - an alternative to transversus abdominis plane block. Paediatr Anaesth. 2013 Oct;23(10):959-61. doi: 10.1111/pan.12240. Epub 2013 Aug 9. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary changes in intraoperative mean arterial blood pressure (MAP) values (mm Hg) at base line (To), 3 minutes(min) after induction of general anesthesia, 10 min after intubation (immediately before performing the block (T1)), 15 min after performing the block (T2),and intraoperative values every 15 min till the end of surgery(T3)
Primary changes in intraoperative heart rate (HR) values (beats/minute) at base line (To), 3 minutes(min) after induction of general anesthesia, 10 min after intubation (immediately before performing the block (T1)), 15 min after performing the block (T2),and intraoperative values every 15 min till the end of surgery(T3)
Primary changes in the degree of pain perception by patient measured by visual analogue scale(VAS), The patient was trained to report the level of pain on VAS scale from 0 to 10 (where 0 indicates no pain and 10 indicates the most severe pain). Patients were assessed in the immediate post operative period and then at 2 hour(h), 4h, 6h , 8h , 12 h, 18 h and at 24 hours postoperative for the quality of analgesia
Secondary total intraoperative fentanyl consumption measured by µg /kg during the time of the surgical procedure
Secondary 1st time of rescue analgesics minute during the first postoperative 24 hours
Secondary total amount of rescue analgesic consumed mg/kg in the first postoperative 24 hours
Secondary post operative nausea and vomiting by number of patients complained of these side effects in the first postoperative 24 hours
Secondary degree of patient and parent satisfaction 5-point scale assessment (satisfied or completely satisfied, not satisfied nor dissatisfied, dissatisfied, completely dissatisfied) at the end of the first postoperative 24 hours
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