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Evaluation of Hemodynamics and Amount of Blood Flowing Through the Kidneys by Measuring Some Physiological Substances in Blood and Urines

Conditions
Renal Hypoperfusion
Hypovolemia
Registration Number
NCT01650103
Lead Sponsor
Azienda Ospedaliera di Padova
Brief Summary

The purpose of this study is to verify any existing relationship between mixed oxygen saturation (from central venous catheter) and urinary sodium, potassium, chloride in determining the volemic state and renal perfusion of patients undergoing major surgical interventions.

Detailed Description

Not available

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
50
Inclusion Criteria
  • thoracic-abdominal major surgical operations
  • placing of a central venous catheter and urinary catheter
  • age 18-75
  • ASA class I-III
Exclusion Criteria
  • age above 75 or under 18
  • ASA class IV
  • trauma, sepsis and/or heart-lung failure
  • liver transplantation
  • kidney transplantation
  • pre-existing renal failure
  • pregnant patients
  • patients unable to give their written consent

Study & Design

Study Type
OBSERVATIONAL
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Determination of mixed oxygen saturation in central venous blood (ScvO2) and three urinary electrolytes (sodium, potassium, chloride)During the stay of the patient in the operating room (in average 6 hours) and the eventual stay in the post-surgery intensive care unit (in average 1 day)
Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

Azienda Ospedaliera di Padova

🇮🇹

Padova, Italy

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