Haemodynamic Changes During Anaesthesia in the Prone Position, Evaluated Using Transoesophageal Ultrasound

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

20 participants

Study Classification

OBSERVATIONAL

Study Start Date

2014-03-31

Study Completion Date

2016-06-30

Brief Summary

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Transoesophageal ultrasound examination before and after prone position.

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Detailed Description

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Patients undergoing spinal surgery in the prone position are anaesthetized and then an ultrasound probe is placed in the oesophagus and the heart physiology is examined. Following prone position the examination is repeated.

Conditions

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Obesity Spinal Surgery Anaesthesia Changes in Left and Right Ventricle Dimension Changes in Bloodflow Across Cardiac Valves Changes in Dimensions of Inferior Caval Dimension and Hepatic Venous Bloodflow Changes i Myocardial Velocities Changes in Diastolic Function

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Supine position

Examination in the supine position

No interventions assigned to this group

Prone position

Change from supine to prone position

Intervention Type OTHER

Change from supine to prone position

Interventions

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Change from supine to prone position

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* adult patients scheduled for spinal surgery in the prone position. Body mass index above 30.

Exclusion Criteria

* significant cardiomyopathy or valvular disease
* heart rhythm other than normal sinus rhythm
* coagulopathy
* increased risk of oesophageal injury during probe insertion

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No