Regional anesthesia and pain medicine
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Reg Anesth Pain Med
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Reg Anesth Pain Med · Nov 2005
Vertical infraclavicular block of the brachial plexus: effects on hemidiaphragmatic movement and ventilatory function.
Several case reports have suggested that block of the brachial plexus by the vertical infraclavicular approach influences hemidiaphragmatic movement and ventilatory function. These effects have not been evaluated in a prospective study. ⋯ The vertical infraclavicular block can result in a change in ipsilateral hemidiaphragmatic movement, with a decrease of ventilatory function. Although a correlation between the presence of Horner's syndrome and hemidiaphragmatic dysfunction was observed, hemidiaphragmatic dysfunction also occurred independently.