Postoperative Hyponatremia - Are There Gender Differences?

  • STATUS
    Recruiting
  • participants needed
    60
  • sponsor
    Karolinska University Hospital
Updated on 7 November 2020
anesthesia
fluid retention

Summary

The proposed study will focus on anesthesia and anesthesia-induced hypotension as a possible cause for postoperative fluid retention and hyponatremia, and investigate gender differences in this response.

Description

30 healthy women and 30 healthy men, who are scheduled for surgery of the middle ear or parotic gland are included in the study. Within each gender group, the subjects are randomized to receive perioperative intravenous fluid regimes either based on body weight or lean body mass (LBM). The surgery lasts for at least 3 hours, the intervention period (fluid administration according to protocol) will last 10-12 hours, the study period will be 20-24 hours. Blood samples for analysis of plasma sodium, potassium, glucose and osmolality are collected preoperatively and the following morning together with analysis of urine produced during the study period.

Details
Condition Hyponatremia
Treatment Fluid administration, Perioperative fluid management based on Lean Body Mass
Clinical Study IdentifierNCT00636857
SponsorKarolinska University Hospital
Last Modified on7 November 2020

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