Erector Spinae Plane Block as an Analgesic Intervention in Acute Rib Fractures: A Scoping Review.

21 , 28 , 30 , 36 , 48 Respiratory Outcomes Eight studies reported on respiratory function testing pre- and post administration of ESB showing an overall trend of improved values post ESB. 7 , 21 , 24 , 26 , 37 , 39 , 44 , 46 Adhikary et al reported an average improvement in incentive spirometry of 590mL which was maintained over the first 3 days post block. 7 This result was reflected in the study by Syal et al 39 who reported a similar magnitude of improvement in their measurements of inspiratory capacity.

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Five studies 7 , 22 , 24 , 47 , 53 compared pre block opioid requirements with that of the first 24 hours post block which showed a trend towards a 34% reduction in opioid requirement; however, no studies reported statistical significance for this outcome.

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