Study of Clinical Outcomes Associated With the Pulmonary Artery Catheter (PAC) in Cardiac Surgery Patients

February 15, 2017 updated by: Andrew Shaw, Vanderbilt University

Retrospective Analysis of Clinical Outcomes Associated With Use of the Pulmonary Artery Catheter (PAC) in Cardiac Surgery Patients Within the Cerner HealthFacts Database

The primary objective for this retrospective Electronic Health Record (EHR) analysis is to evaluate the clinical outcomes associated with the utilization of a pulmonary artery catheter (PAC), for monitoring purposes, within patients undergoing cardiac surgeries (isolated coronary artery bypass graft [CABG], valve, aortic surgery, multi-procedures, other complex nonvalvular procedures and heart transplants). The study will be conducted using prospectively collected hospital inpatient data over a duration of over 5 years (Jan. 1, 2010 - June 30, 2015) using a large US electronic health database (Cerner HealthFacts; Kansas City, MO).

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

A retrospective study will be conducted using prospectively collected hospital inpatient data over a duration of over 5 years (Jan. 1, 2010 - June 30, 2015) using a large US electronic health database (Cerner HealthFacts; Kansas City, MO). Patients who underwent a qualifying cardiac surgery (verified through use of selected valid International Classification of Diseases-9 procedure codes and/or Current Procedural Terminology [CPT] codes) will be included. Each patient's cohort designation will be defined based upon whether he/she did or did not receive a pulmonary artery catheter (PAC) for monitoring purposes. Propensity scores, which take into account patient and hospital demographics, patient comorbidities, surgical type (isolated coronary artery bypass graft [CABG], valve, aortic surgery, multi-procedures, other complex nonvalvular procedures and heart transplants), and pre-operative condition (via an adapted EuroSCORE II) will be utilized to "match" patients who received a PAC for monitoring purposes with those who did not, to form a matched study cohort. Clinical outcomes will be monitored through index visit discharge and up to 90 days post index visit discharge.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
6844

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

Adult patients undergoing an isolated CABG, isolated valve, aortic procedure, complex nonvalvular procedures, multi-procedures or a heart transplant who receives or does not receive a pulmonary artery catheter (PAC) for monitoring purposes

Description

Inclusion Criteria:

  • Patient undergoes a qualifying cardiac surgery between Jan 1, 2010 and January 1, 2015. If multiple qualifying surgeries are present, the first in database will be utilized
  • Inpatient with a LOS of at least 48 hours
  • Treated arm receives a PAC for monitoring purposes within admission date and qualifying cardiac surgical day plus one via specified ICD-9 or CPT-4 codes, or EHR recorded PAC readings

Exclusion Criteria:

  • Cardiac surgery patients with age <18 years on index procedure date
  • Non-treated arm derived from an institution which does not have database documented use of ICD-9 or CPT-4 PAC placement codes for monitoring purposes [Lessens the likelihood that the untreated arm is indeed treated by ensuring that the patient would likely be coded if he/she had a PAC in place for monitoring purposes]
  • Patient record must have the demographics populated of age, gender, and race. ICD-9 diagnosis and procedure codes must be present in record for index visit, as well as medications administered over index visit
  • Patient must be treated at a hospital which performs a minimum of 100 qualifying cardiac procedures per year

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Cohort
  • Time Perspectives: Retrospective

Cohorts and Interventions

Group / Cohort

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Pulmonary artery catheter (PAC)
Patients received a PAC for monitoring purposes
Device: pulmonary artery catheter
PAC must be placed between the day of admission and the day following a qualifying cardiac surgery
Other Names:
  • Swan-Ganz catheter
No pulmonary artery catheter (PAC)
Patients did not receive a PAC for monitoring purposes

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Hospital mortality during index visit
Time Frame: Admission through up to 180 days (hospital discharge)
Admission through up to 180 days (hospital discharge)
Hospital length-of-stay (LOS)
Time Frame: Admission through up to 180 days (hospital discharge)
Index hospital visit LOS
Admission through up to 180 days (hospital discharge)
Hospital readmission
Time Frame: Through 30 days
Rate of hospital readmissions
Through 30 days
Hospital readmission
Time Frame: Through 60 days
Rate of hospital readmissions
Through 60 days
Hospital readmission
Time Frame: Through 90 days
Rate of hospital readmissions
Through 90 days
Major Adverse Cardiac Events (MACE)
Time Frame: Through 30 days
Through 30 days
Major Adverse Cardiac Events (MACE)
Time Frame: Through 60 days
Through 60 days
Major Adverse Cardiac Events (MACE)
Time Frame: Through 90 days
Through 90 days
Major morbidity composite
Time Frame: Through 30 days
Through 30 days
Major morbidity composite
Time Frame: Through 60 days
Through 60 days
Major morbidity composite
Time Frame: Through 90 days
Through 90 days

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
New organ failure (cardiovascular, respiratory, coagulation, liver systems, renal)
Time Frame: Day 1 to discharge (up to 180 days)
Day 1 to discharge (up to 180 days)
Requirement for mechanical ventilation
Time Frame: Day 1 to discharge (up to 180 days)
Day 1 to discharge (up to 180 days)
Hemorrhage requiring blood transfusion
Time Frame: Day 1 to discharge (up to 180 days)
Day 1 to discharge (up to 180 days)
Acute kidney injury (KDIGO staging)
Time Frame: Day 1 to day 10
Day 1 to day 10
Infectious complications
Time Frame: Day 1 to discharge (up to 180 days)
Day 1 to discharge (up to 180 days)
Gastrointestinal complication (hepatic)
Time Frame: Day 1 to discharge (up to 180 days)
Day 1 to discharge (up to 180 days)
Respiratory failure
Time Frame: Day 1 to discharge (up to 180 days)
Day 1 to discharge (up to 180 days)
Sequential Organ Failure Assessment (SOFA) scores
Time Frame: Day 1 to discharge (up to 180 days)
Day 1 to discharge (up to 180 days)
Neurologic complication
Time Frame: Day 1 to discharge (up to 180 days)
Day 1 to discharge (up to 180 days)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Vanderbilt University

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Edwards Lifesciences

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Andrew D Shaw, MB, FRCA, FFICM, FCCM, Vanderbilt University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
September 1, 2016

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
November 1, 2016

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
November 1, 2016

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
October 18, 2016

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
November 10, 2016

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
November 15, 2016

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
February 17, 2017

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
February 15, 2017

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
February 1, 2017

More Information

Terms related to this study

Keywords

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 161377

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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