What question did this study set out to answer?

To compare the dye distribution patterns of transverse in-plane and sagittal in-plane ultrasound-guided thoracic paravertebral blocks.

November 12, 2025Frontiers in MedicineOpen Access

Comparison of injectate spread following transverse vs. sagittal in-plane ultrasound-guided thoracic paravertebral block: a cadaveric study

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Authors

JTJiali Tang STShuai Tang NWNaili Wang

Discussion

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Implication

Observational study shows similar dye distribution with transverse and sagittal approaches in cadavers, suggesting effective regional anesthesia techniques.

Key Points

To compare the dye distribution patterns of transverse in-plane and sagittal in-plane ultrasound-guided thoracic paravertebral blocks.
Conducted an observational cadaveric study with 10 paravertebral injections at T6-7 in five cadavers.
Used 20 mL of 0.02% methylene blue for each injection to evaluate dye spread.
Adhered to CACTUS guidelines for conducting and reporting the study.
Dye staining occurred in the paravertebral space for all injections.
Average of 3 PVS segments stained with transverse in-plane approach, compared to 2 segments with sagittal in-plane.
Sympathetic chain staining was found in 80% of cadavers with transverse versus 40% with sagittal approach.

Cite This Study

Tang et al. (2025) studied this question.

synapsesocial.com/papers/692523d9c0ce034ddc35574b https://doi.org/10.3389/fmed.2025.1667862

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Implication

Observational study shows similar dye distribution with transverse and sagittal approaches in cadavers, suggesting effective regional anesthesia techniques.

Comparison of injectate spread following transverse vs. sagittal in-plane ultrasound-guided thoracic paravertebral block: a cadaveric study

Discussion

Member takes

Implication

Key Points

Cite This Study

Comparison of injectate spread following transverse vs. sagittal in-plane ultrasound-guided thoracic paravertebral block: a cadaveric study

Discussion

Member takes

Implication

Key Points

Cite This Study

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