Hypovolemia
Conditions
Keywords
preoperative fasting
Brief summary
The primary objective of this study is to demonstrate that preoperative fasting does not increase the rate of lowered blood volume (defined by a variation of 15% ΔITV during a leg lift) in patients undergoing surgery.
Interventions
PROCEDUREechocardiography
Echocardiography is performed for all patients
Sponsors
Centre Hospitalier Universitaire de Nīmes
Study design
Observational model
COHORT
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
18 Years to 90 Years
Healthy volunteers
No
Inclusion criteria
* The patient must have given his/her informed and signed consent * The patient must be insured or beneficiary of a health insurance plan * The patient is ASA (American Society of Anesthesiologists) class I, II or III * The patient has not been fasting for more than 6 hours at the time of inclusion * The patient is schelduled for a gynecological or visceral surgery
Exclusion criteria
* The patient is participating in another study * The patient is in an exclusion period determined by a previous study * The patient is under judicial protection, under tutorship or curatorship * The patient refuses to sign the consent * It is impossible to correctly inform the patient * The patient is pregnant * The patient is breastfeeding * The patient is ASA class IV * The patient has insulin dependent diabetes * The patient has a cardiac or respiratory dysfunction * The patient has a heart rhythm disorder * The patient has renal insufficiency with dialysis * The patient is being treated with diuretics * The patient has had a bowel preparation * Emergency surgery * Outpatient surgery
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| The presence / absence of a hypovolemia following preoperative fasting | 1 day | Hypovolemia is determined by the % change in the subaortic velocity time integral during a leg lift before and after fasting: a 15% decrease is considered as a presence. |
Countries
France
Outcome results
None listed