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Intravenous fluid replacement minimised dehydration during sodium picosulphate bowel preparation for colonic surgery

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QUESTION: In patients receiving sodium picosulphate (Picolax®) bowel preparation before colonic surgery, does intravenous fluid replacement minimise dehydration?


Randomised (unclear allocation concealment), unblinded, controlled trial with follow up to 1 hour before surgery or immediately before premedication.


Colorectal Unit, Derriford Hospital, Plymouth, UK.


41 patients (median age 69 y, 63% men) who were receiving bowel preparation for colonic surgery. Follow up was 100%.


19 patients were allocated to receive a calculated volume (mean 2 l) of intravenous normal saline (treatment group), and 22 were allocated to receive no intravenous fluid (control group) during bowel preparation. Intravenous fluid …

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  • Source of funding: not stated.

  • For correspondence: Mr A W Lambert, Colorectal Unit, Department of Surgery, Derriford Hospital, Plymouth, UK. Anthony.lambert{at}