Stopped: Lack of human resources
Primary objective of this study is to find out the incidence of hemi-diaphragmatic palsy associated with interscalene block done under ultrasound guidance. Primary hypothesis: • There is an incidence of hemidiaphragmatic palsy ranging fron 33-100 % after an interscalene block. Secondary hypothesis * The incidence of hemidiaphragmatic palsy is much less than 33% when the block is done using ultrasound. * The incidence of hemi-diaphragmatic palsy is directly proportional to volume of local anaesthetic injected. * The incidence of hemi-diaphragmatic palsy is directly proportional to concentration of local anaesthetic injected.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Primary outcome of this study is to find out the incidence of hemi-diaphragmatic palsy associated with interscalene block done under ultrasound guidance. Primary hypothesis:
Timeframe: 1 year