A Two-Point Ultrasound-Guided Injection Technique for the Transversus Thoracis Plane Block: A Canine Cadaveric Study.

Alaman, Manuel; Bonastre, Cristina; González-Marrón, Adrián; Gámez Maidanskaia, Ekaterina; Laborda, Alicia (2022). A Two-Point Ultrasound-Guided Injection Technique for the Transversus Thoracis Plane Block: A Canine Cadaveric Study. Animals, 12(17) MDPI 10.3390/ani12172165

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The transversus thoracis plane (TTP) block desensitizes the intercostal nerves that run through this plane, providing analgesia to the ventral thoracic wall. Two canine cadavers were used to assess the feasibility of the transverse approach for the TTP (t-TTP) under ultrasound guidance to inject a solution at the third and sixth intercostal spaces. Eight cadavers were used to compare the spread and number of intercostal nerves that were stained when a low volume (LV) 0.5 mL kg-1 or a high volume (HV) 1 mL kg-1 of a dye-lidocaine solution was injected into the same hemithorax, injecting the volume equally at these intercostal spaces using the transverse approach. Fisher's exact test and Wilcoxon signed-rank test were used to contrast the spread of the different volume solutions. The injectate spread along the TTP after all injections, dying a median number (range) of 3 (2-5) and 6 (5-6) nerves with LV and HV, respectively (p = 0.011). The two-point injection of HV, using the t-TTP approach, is a feasible technique that provides a consistent staining from T2 to T7 intercostal nerves. The injection of HV instead of LV increases the spread and enhances the number of stained intercostal nerves.

Item Type:

Journal Article (Original Article)

Division/Institute:

05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV)
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > DKV - Anaesthesiology

UniBE Contributor:

Gamez Maidanskaia, Ekaterina

Subjects:

600 Technology > 630 Agriculture

ISSN:

2076-2615

Publisher:

MDPI

Language:

English

Submitter:

Pubmed Import

Date Deposited:

15 Sep 2022 08:18

Last Modified:

05 Dec 2022 16:24

Publisher DOI:

10.3390/ani12172165

PubMed ID:

36077885

Uncontrolled Keywords:

dog intercostal nerve mastectomy parasternal block regional anaesthesia sternotomy

BORIS DOI:

10.48350/172805

URI:

https://boris.unibe.ch/id/eprint/172805

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