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Am J Med. 1998 Sep;105(3):207-13.

Myocardial fibrin deposits in the first month after transplantation predict subsequent coronary artery disease and graft failure in cardiac allograft recipients.

Author information

1
Methodist Research Institute, Clarian Health (Methodist, Indiana University, and Riley Hospitals), Indianapolis 46202, USA.

Abstract

PURPOSE:

To determine whether fibrin deposition during the first month following cardiac transplantation predicts development of coronary artery disease and graft failure in cardiac allograft recipients.

PATIENTS AND METHODS:

We prospectively studied 121 consecutive adult patients who received cardiac transplants between 1988 and 1995. Serial endomyocardial biopsies obtained during the first month posttransplant (2.3 + 0.6 biopsies/patient) were studied immunohistochemically for fibrin deposits. Patients were followed up with annual angiograms (3.2 + 1.7/patient) evaluated with side-by-side comparisons for the presence and progression of coronary artery disease.

RESULTS:

All pretransplant biopsies were fibrin-negative; 60 allografts (50%) remained without fibrin, and 61 (50%) contained fibrin during the first posttransplant month. Of allografts with fibrin, 72% developed coronary artery disease, while 27% of allografts without fibrin developed the disease (P <0.001). Coronary artery disease was progressive in 61% of allografts with fibrin, and in 25% of allografts without fibrin (P <0.001). Graft failure was more frequent and time-to-graft-failure occurred earlier in patients whose allografts had fibrin during the first month after transplantation (P <0.001).

CONCLUSIONS:

Fibrin in biopsies during the first month after transplantation identifies patients at high risk for developing coronary artery disease or graft failure, thereby allowing the opportunity to initiate preventive procedures.

PMID:
9753023
DOI:
10.1016/s0002-9343(98)00246-0
[Indexed for MEDLINE]

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