Key result
Calcium channel blocker use was evaluated for its association with upper gastrointestinal bleeding, but the provided abstract does not report the actual results of the investigation.
Why the study?
Does the use of calcium channel blockers increase the risk of major upper gastrointestinal bleeding?
Does the use of calcium channel blockers increase the risk of major upper gastrointestinal bleeding?
No results reported on CCBs and upper GI bleeding; leaves open any association in this Level 4 case-control analysis.
An increased risk of upper gastrointestinal bleeding (UGIB) associated with use of calcium-channel blockers (CCB) was recently reported,1 then refuted.2,3 We have explored the relation using data from a case-control study conducted in Massachusetts, Stockholm, Uppsala, and Budapest from 1987 to 1996.4
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Kelly et al. (1999) studied this question. Calcium channel blocker use was evaluated for its association with upper gastrointestinal bleeding, but the provided abstract does not report the actual results of the investigation.
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