Clipping 'does not prevent' delayed bleeding post-polypectomy

Canadian analysis of medical records helps resolve conflicting prior research findings

Prophylactic endoscopic clipping does not prevent delayed post-polypectomy bleeding and should not be used routinely in most patients, results of a study suggest.

Endoscope

Canadian researchers examined records of more than 8300 colonoscopies involving polypectomy, comprising 3424 with clipping and 4942 without.

Delayed post-polypectomy bleeding was defined as any rectal bleeding requiring a visit to the ED or admission to hospital within 30 days of polypectomy.

There were 50 such events in the clipped group and 45 in the unclipped group, a difference that

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