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Respiratory Variations for Assessing Blood Withdrawal 2 — ReVAs2  

Obese Clinical Trial

Official title:
Respiratory Variations in Diameters of the Inferior Vena Cava and the Internal Jugular Vein to Assess Blood Withdrawal in Patients With Dysmetabolic Hyperferritinemia

Clinical Trial Summary

OBJECTIVES: To investigate whether respiratory variations of the inferior vena cava (ΔIVC) and internal jugular vein (ΔIJV) diameters during standardized breathing (ΔIVCST and ΔIJVST) increase after a therapeutic bleeding in spontaneously breathing and obese patients with dysmetabolic hyperferricemia.

DESIGN: Prospective, monocentric study in the EFS Nord-de-France blood center.

PATIENTS: Obese patients with dysmetabolic hyperferricemia undergoing a therapeutic bleeding.

INTERVENTIONS: The investigators performed ultrasound measures and collected clinical parameters before and after a therapeutic bleeding, during a standardized respiratory maneuver.

MAIN OUTCOME AND MEASURES: The primary endpoint was the ΔIVCST change induced by a 300 to 500ml therapeutic bleeding. The investigators measured the minimal and maximal IVC and IJV diameters during a standardized respiratory maneuver. ΔIVCST and ΔIJVST were calculated as follows: [(maximal diameter - minimal diameter)/maximal diameter].100.

Clinical Trial Description

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Study Design

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Clinical Trial Details
NCT number NCT03066401
Study type Observational
Source University Hospital, Lille
Contact
Status Terminated
Phase N/A
Start date January 2015
Completion date June 2016
View Details
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