Retroperitoneal hematoma after dorsal quadratus lumborum block in two dogs

Chiavaccini, Ludovica; Solari, Francesca P.; Ham, Kathleen M.; Regier, Penny J.; Vettorato, Enzo; Portela, Diego A.

doi:10.1016/j.vaa.2023.11.002

Cited by 2 publications

(1 citation statement)

References 6 publications

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“…In human medicine, hypotension secondary to bilateral QLB has been reported in two case reports [22,23]. In veterinary medicine, transient respiratory arrest and retroperitoneal hematoma have been described as complications of bilateral QLB in dogs [24,25]. Currently, there is only one published case series regarding the analgesic efficacy of bilateral QLB in dogs undergoing ovariohysterectomy [14].…”

Section: Introductionmentioning

confidence: 99%

Postoperative Analgesic Effect of Bilateral Quadratus Lumborum Block (QLB) for Canine Laparoscopic Ovariectomy: Comparison of Two Concentrations of Ropivacaine

Degani,

Di Franco,

Tayari

et al. 2023

Animals

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The aim of this study was to evaluate the effect of the transverse quadratus lumborum block (QLBLQL-T) on time to the first postoperative rescue analgesia in dogs submitted to laparoscopic ovariectomy. A total of twenty-three female dogs were included. Dogs were randomly assigned to receive a bilateral QLBLQL-T, performed either with 0.3 mL kg−1 ropivacaine 0.5% [group QLB0.5% (n = 8)] or with ropivacaine 0.33% [group QLB0.33% (n = 8)] or a fentanyl-based protocol [group No-QLB (n = 7)]. Dogs were premedicated intravenously (IV) with fentanyl 5 mcg kg−1, general anesthesia was induced IV with propofol and maintained with sevoflurane. Invasive mean arterial pressure (MAP) values were recorded five minutes before and five minutes after performing the QLBLQL-T. The short-form of the Glasgow composite measure pain scale was used every hour after extubation, and methadone 0.2 mg kg−1 was administered IV when pain score was ≥5/24. Kolmogorov–Smirnov test, ANOVA test combined with Tukey post hoc test, Student’s T-test and Chi-square test were used to analyze data; p < 0.05. Time from QLBLQL-T to the first rescue analgesia was significantly longer in QLB0.5% than in group QLB0.33% and No-QLB. MAP pre- and post-block decreased significantly only in group QLB0.33%.

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Section: Introductionmentioning

confidence: 99%

Postoperative Analgesic Effect of Bilateral Quadratus Lumborum Block (QLB) for Canine Laparoscopic Ovariectomy: Comparison of Two Concentrations of Ropivacaine

Degani,

Di Franco,

Tayari

et al. 2023

Animals

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Percutaneous Ultrasound Guided Celiac Plexus Approach: Results in a Pig Cadaveric Model

Aprea,

Millán,

Tomás

et al. 2024

Animals

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Celiac plexus (CP) block (CPB) and neurolysis (CPN) are interventional techniques employed in human analgesia to control visceral pain originating from the upper abdomen. Visceral pain is common in animals and its treatment is challenging. A percutaneous ultrasound (US)-guided approach to the CP has been reported in people but not in veterinary species. The objective of this study is to describe a US-guided percutaneous approach to the CP in a porcine cadaveric model. Cadavers were positioned in right lateral recumbency. The vertebral body of the last thoracic vertebra (T15) was identified (in transverse view) with a left cranial abdominal US scan. Under US guidance, an 18 G Tuohy needle was inserted parallel and ventral to the transverse process of T15. The transducer was gently slid and tilted to have an in-plane view while introducing the needle through the epaxial muscle layer. Once the T15 body was contacted, the needle was advanced towards the ventral surface of the vertebra, and if loss of resistance was present, 2 mL of dye (China Ink) was injected. A laparotomy was performed, and the dyed tissue dissected for histological preparation from 14 cadavers. In all samples submitted for histological study, tissue belonging to the CP was found. The percutaneous ultrasound-guided approach to the CP was effective in localizing the CP in all subjects. Future studies are warranted to identify the clinical utility of this technique in veterinary species.

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Retroperitoneal hematoma after dorsal quadratus lumborum block in two dogs

Cited by 2 publications

References 6 publications

Postoperative Analgesic Effect of Bilateral Quadratus Lumborum Block (QLB) for Canine Laparoscopic Ovariectomy: Comparison of Two Concentrations of Ropivacaine

Postoperative Analgesic Effect of Bilateral Quadratus Lumborum Block (QLB) for Canine Laparoscopic Ovariectomy: Comparison of Two Concentrations of Ropivacaine

Percutaneous Ultrasound Guided Celiac Plexus Approach: Results in a Pig Cadaveric Model

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