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Large volume dye spread in transversus abdominis plane block via three injection sites: a cadaveric study

MILAN ZOKA ; Department of Anaesthesia, St. James’s University Hospital, Beckett Street, Leeds, LS9 7TF
DOMINIC TABOR ; Worsley building,University of Leeds, Leeds, LS2 9JT
PATRICIA MCCONNELL ; Worsley building,University of Leeds, Leeds, LS2 9JT
JAMES PICKERING ; Worsley building,University of Leeds, Leeds, LS2 9JT


Puni tekst: engleski pdf 165 Kb

str. 203-206

preuzimanja: 574

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Sažetak

Background: Transversus abdominis plane (TAP) block is a recently described regional anaesthesia technique that provides analgesia for the abdominal wall. Three access points for injection have been described: via the lumbar triangle of Petit (LTOP), via the midaxillary line and via the subcostal region (SC). This study aimed to investigate the spread of dye following injection via all 3 sites with a large volume injectate.

Materials and Methods: 24 hemiabdomens were injected with 40 mL
25% black food dye: 8 via the LTOP) 4 via the MAL, 4 via the SC. Dissection was performed to reveal the extent of nerve involvement and dye spread.

Results: Variation in the size and shape of the LTOP was found between cadavers. Mean areas of dye spread (range of nerve involvement) in the remaining 16 hemiabdomens for LTOP, MAL and SC were 77.9 cm2 (T10-ilioinguinal), 50.3 cm2 (T10-ilioinguinal) and 91.3 cm2 (T7-ilioinguinal) respectively. Communications were seen between nerves within the TAP in one dissection. Dye staining was seen to involve nerves outside the TAP.

Conclusion: Subcostal injection gives more superior dye spread, with a greater area and awider range of nerve involvement. This should perhaps be the preferred injection site, and could have broader indications.

Ključne riječi

Hrčak ID:

68986

URI

https://hrcak.srce.hr/68986

Datum izdavanja:

1.6.2011.

Posjeta: 1.020 *