Brazilian Journal of Anesthesiology
https://bjan-sba.org/article/doi/10.1016/j.bjane.2021.10.011
Brazilian Journal of Anesthesiology
Case Report

Anatomic barriers to paraspinal blocks: a cadaver case series

Barreiras anatômicas para bloqueios paraespinhais: uma série de casos de cadáveres

Sandeep Diwan, Xavier Sala-Blanch, Abhijit Nair

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Abstract

The paraspinal space is intriguing in nature. There are several needle tip placements described in compact anatomical spaces. This has led to an incertitude regarding the appropriate anatomic locations for needle tip positions. Through our cadaver models we try to resolve the issues surrounding needle tip positions clarifying anatomical spaces and barriers. Further we propose an anatomical classification based on our findings in cadaveric open dissections and cross and sagittal sections.

Keywords

Cadaver;  Dissection;  Nerve block;  Paraspinal Muscles;  Regional Anesthesia;  Ultrasound

Resumo

O espaço paraespinhal é intrigante por natureza. Existem vários posicionamentos de pontas de agulha descritos em espaços anatômicos compactos. Isto levou a uma incerteza quanto aos locais anatômicos apropriados para as posições da ponta da agulha. Através dos nossos modelos de cadáveres tentamos resolver os problemas relacionados com a posição das pontas das agulhas, clarificando espaços e barreiras anatómicas. Além disso, propomos uma classificação anatômica baseada em nossos achados em dissecções abertas de cadáveres e cortes transversais e sagitais.

Palavras-chave

Cadáver; Dissecção; Bloqueio nervoso; Músculos paravertebrais; Anestesia Regional; Ultrassom

References

1. K Wild, KJ. Chin Regional Techniques for Thoracic Wall Surgery Curr Anesthesiol Rep, 7 (2017), pp. 212-219

2. Y Shibata, W Kampitak, T. Tansatit The Novel Costotransverse Foramen Block Technique: Distribution Characteristics of Injectate Compared with Erector Spinae Plane Block Pain Physician, 23 (2020), pp. E305-E314

3. A Kilicaslan, G Sarkilar, T Altınok, et al. A novel ultrasound-guided technique in peri-paravertebral area: Subtransverse process interligamentary (STIL) plane block: The game has not ended yet J Clin Anesth, 60 (2020), pp. 76-77

4. J Ivanusic, Y Konishi, MJ. Barrington A Cadaveric Study Investigating the Mechanism of Action of Erector Spinae Blockade Reg Anesth Pain Med, 43 (2018), pp. 567-571

5. SD Adhikary, S Bernard, H Lopez, et al. Erector Spinae Plane Block Versus Retrolaminar Block: A Magnetic Resonance Imaging and Anatomical Study Reg Anesth Pain Med, 43 (2018), pp. 756-762


Submitted date:
06/16/2021

Accepted date:
10/30/2021

61b8a641a9539531a7271fe3 rba Articles
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Braz J Anesthesiol

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