Right Ventricular Function During Liver Transplantation as Assessed by Transesophageal Echocardiography.

NCT ID: NCT03459924

Last Updated: 2018-03-09

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

19 participants

Study Classification

OBSERVATIONAL

Study Start Date

2018-02-27

Study Completion Date

2019-01-01

Brief Summary

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Cirrhotic patients undergoing liver transplantation might develop acute transient right ventricular dysfunction, ranging from mild to severe form. More than two decades ago, a number of studies with pulmonary artery catheters looked at this particular issue with controversial results. However, the pulmonary artery catheter as a monitor for right ventricular function (RVF) has several limitations, while the echocardiogram is deemed to be more accurate in this regard. Therefore, we sought to evaluate the RVF with the transesophageal echocardiogram, and particularly whether the RVF significantly varies during this procedure.

Detailed Description

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Evaluation of right ventricular function (RVF) during orthotopic liver transplantation (OLT) has been extensively reported with modified pulmonary artery catheters that measure the right ventricular ejection fraction. However, quantitative analysis of RVF using transesophageal echocardiography (TEE) are scarce in this setting.

Methods: Nineteen cirrhotic patients who underwent OLT from April-2012 to April-2013 will be studied. Analysis of echocardiogram-derived parameters routinely used to evaluate ventricular function will be done. In particular, the RVF was quantitatively assessed by two parameters derived from TEE: tricuspid annular plane systolic excursion (TAPSE) and right ventricular fractional area change (RVFAC). Exclusion criteria: pulmonary hypertension, fulminant hepatitis, age less than 18 or greater than 65 years old and cardiopulmonary diseases. All echocardiographic and hemodynamic data set have been collected at 5 stages during the procedure, according to Institutional Protocol: baseline, hepatectomy, anhepatic phase, post-reperfusion, and closure.

Statistical Analysis: One-way ANOVA for repeated measurements will be used if the data have normal distribution, otherwise Friedman test will be used. P\<0.05 is to be considered significant.

Conditions

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Liver Transplant; Complications

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Adult patients who underwent orthotopic liver transplantation from april 2012 to april 2013.

Exclusion Criteria

* Pulmonary hypertension (any type)
* Cardiopulmonary disease (eg: chronic obstructive pulmonary disease (COPD), valvular heart disease, ischemic heart disease)
* Fulminant hepatitis.
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University of California, San Francisco

OTHER

Sponsor Role collaborator

Universidade Federal do Rio de Janeiro

OTHER

Sponsor Role lead

Responsible Party

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GLAUBER GOUVEA

Principal Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Nubia V Figueiredo, MSc, PhD

Role: STUDY_CHAIR

Universidade Federal do Rio de Janeiro

Locations

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Federal University of Rio de Janeiro

Rio de Janeiro, , Brazil

Site Status

Countries

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Brazil

References

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Ellis JE, Lichtor JL, Feinstein SB, Chung MR, Polk SL, Broelsch C, Emond J, Thistlethwaite JR, Roizen MF. Right heart dysfunction, pulmonary embolism, and paradoxical embolization during liver transplantation. A transesophageal two-dimensional echocardiographic study. Anesth Analg. 1989 Jun;68(6):777-82.

Reference Type BACKGROUND
PMID: 2660629 (View on PubMed)

De Wolf AM, Begliomini B, Gasior TA, Kang Y, Pinsky MR. Right ventricular function during orthotopic liver transplantation. Anesth Analg. 1993 Mar;76(3):562-8. doi: 10.1213/00000539-199303000-00020.

Reference Type BACKGROUND
PMID: 8452268 (View on PubMed)

Gouvea G, Diaz R, Auler L, Martinho JM. Evaluation of the right ventricular ejection fraction during orthotopic liver transplantation under propofol anaesthesia. Br J Anaesth. 2008 Aug;101(2):161-5. doi: 10.1093/bja/aen145. Epub 2008 Jun 4.

Reference Type BACKGROUND
PMID: 18534974 (View on PubMed)

Gouvea G, Diaz R, Auler L, Toledo R, Martinho JM. Right ventricular ejection fraction during orthotopic liver transplantation: does anesthetic technique make a difference? J Crit Care. 2010 Dec;25(4):657.e1-6. doi: 10.1016/j.jcrc.2010.02.005. Epub 2010 Apr 8.

Reference Type BACKGROUND
PMID: 20381292 (View on PubMed)

Other Identifiers

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79763817.9.0000.5257

Identifier Type: -

Identifier Source: org_study_id

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