Cardiopulmonary Bypass and Inflammatory Response (CPB-I)

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University of Pittsburgh

Status

Completed

Conditions

Cardiopulmonary Bypass
Thoracic Surgery

Study type

Observational

Funder types

Other

Identifiers

NCT00167349
0306088

Details and patient eligibility

About

The purpose of this study is to determine if a difference exists in the inflammatory response which occurs related to coronary artery bypass graft (CABG)surgery performed on cardiopulmonary bypass as compared to CABG surgery performed off bypass at the University of Pittsburgh Medical Center.

Full description

Acute inflammatory response occurring in cardiopulmonary bypass (CPB) patients has been clearly associated with deleterious clinical outcomes. Increasing understanding of the pathophysiology of systemic inflammatory response syndrome (SIRS) following CPB has facilitated the development of strategies to attenuate the damaging effects of cytokine-induced inflammation. For any strategy to be tested, one needs to clearly define and understand the inflammatory response occurring with CPB. Although this has been extensively studied, there is wide variation in the reported time course and magnitude of this response. This variation is, in part, due to the heterogeneous nature of the patient population studied (variable severity of illnesses, ejection fractions, co-morbidities, etc.). Hence, in our study, we propose to study the inflammatory response occurring in patients undergoing coronary artery bypass graft (CABG) with and without the use of CPB in our institution, and to determine whether the severity of inflammatory response seen in CABG patients is associated with impairment of any specific clinical parameter in the immediate post-operative period (i.e., ventricular dysfunction, lung injury, bleeding, renal failure, etc).

Enrollment

37 patients

Sex

All

Ages

18 to 90 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Patients undergoing CABG and/or patients undergoing other procedures (i.e., valve surgery, myomectomy, etc.) in addition to coronary revascularization
  • Age: 18 years up to and including 90 years

Exclusion criteria

  • Patient is not scheduled to undergo CABG surgery
  • Ejection Fraction £ 30%
  • Chronic renal failure requiring hemodialysis
  • Long-term steroid use prior to surgery
  • HIV positive patients (HIV testing will not be required to rule out HIV)
  • Status post organ transplantation or on immune modulating drugs
  • Presence of severe sepsis in the past month prior to surgery
  • Prisoners

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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