quadratus lumborum block
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2022 ◽  
Vol 8 (1) ◽  
pp. 168-174
Author(s):  
Sidharth Sraban Routray

Background: Transmuscular Quadratus Lumborum Block (TQLB) is a newer modality for postoperative pain management. But, its efficacy after laparoscopic colorectal surgery is little researched. The aim of our trial was to access the analgesic efficacy of TQLB in colorectal surgery.Methods:This study was done in 64 patients posted for colorectal surgery who were divided into two groups of 32 each. TQLB was given bilaterally in group RQ with 20 ml of 0.375% ropivacaine and in group SQ with 20 ml saline. Patients were operated under general anesthesia and were examined for pain at different time points postoperatively. Time required for first analgesic demand was our primary endpoint. Secondary endpoints were total rescue analgesia (paracetamol) required in 24 hrs, pain scores, nausea, vomiting, sedation and any other complications.Results:The time required for first analgesic demand was 3.9± 0.8hrs in RQ group and 0.1± 0.2 hrs in group SQ which was statistically significant. The total paracetamol consumption in 24 hours was1.2± 0.4 gm in group RQ and 2.9± 0.7gm in group SQ ,the difference being remarkable.Conclusion:Transmuscular quadratus lumborum block can produce quality analgesia after laparoscopic colorectal surgery. TQLB not only improves the visual analogue scale (VAS) score but also decreases the rescue analgesic consumption without any complications.


Animals ◽  
2021 ◽  
Vol 11 (12) ◽  
pp. 3424
Author(s):  
Jaime Viscasillas ◽  
Sandra Sanchis-Mora ◽  
Paula Burillo ◽  
Vicente Esteve ◽  
Ayla Del Romero ◽  
...  

Quadratus lumborum block (QLB) is used to provide analgesia for abdominal surgery in humans. The aim of this study was to assess an anaesthetic protocol involving the QLB for canine ovariohysterectomy. Ten dogs were included. Anaesthetic protocol consisted of premedication with IM medetomidine (20 μg kg−1) and SC meloxicam (0.1 mg kg−1), induction with propofol to effect, and maintenance with sevoflurane in oxygen/medical air. QLB was performed injecting 0.4 mL kg−1 of 0.25% bupivacaine/iohexol per side. Computed Tomography (CT) was performed before and after surgery. Fentanyl was administered as rescue analgesia during surgery. The Short Form of The Glasgow Composite Pain Scale and thermal threshold (TT) at the level of the elbow, T10, T13 and L3 were assessed before premedication and every hour postoperatively. Methadone was given as rescue analgesia postoperatively when pain score was >3. A Yuen’s test on trimmed means for dependent samples was used to analyse the data (p < 0.05). CT images showed spreading of the contrast/block for a median (range) of 3 (2–5) vertebrae, without differences between preoperative and postoperative images. One dog needed rescue analgesia during surgery. Pain score was less than 4/24 in all the animals during the first 4 h after surgery. TT showed a significant increased signal in all the areas tested, apart from the humerus, 30 min after surgery. The QLB may provide additional analgesia for canine ovariohysterectomy. Further studies are needed to assess the specific contribution of the QLB in abdominal analgesia.


Author(s):  
Y.V. SEMKOVYCH ◽  
D.V DMYTRIIEV ◽  
Y.O. GLAZOV

Introduction. Regional anesthesia in pediatric practice is one of the most valuable and safest tools for perioperative pain management. The advantages of regional anesthesia are early recovery of children, reducing opioid consumption, postoperative pain, respiratory complications, nausea, vomiting, as well as health care costs. The aim of the study was to analyze the data on the effect of the quadratus lumborum block and the transversalis fascia block on the duration and effectiveness of postoperative analgesia and propose a model of combining two blocks with a single injection. Materials and methods. Today there is growing interest in the use of new methods of regional anesthesia, especially the anterior and posterior torso blocks. The quadratus lumborum block and the transversalis fascia block are aimed at providing analgesia over the T7-L1 dermatomes, namely the ilio-inguinal and iliac nerves, which extend from the lateral portion of the psoas major, the lower edge of the 12th rib; however, there is evidence of cranial spread to the T4 – T5 dermatomes, and caudal spread to the L2 – L3 dermatomes. Currently, there are enough publications concerning the quadratus lumborum block and the transversalis fascia block. Results. For adequate perioperative multimodal anesthesia, the authors proposed a combination of the transversalis fascia block and the quadratus lumborum block with a single injection and ultrasound guidance. Conclusions. The advantages of the proposed method include simplicity, less invasiveness, adequate analgesia during surgery, as well as during the postoperative period (exclusion of somatic and visceral components), as evidenced by the assessment on a visual analogue scale (no more than two points). In addition, it significantly reduces the perioperative opioid use.


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