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Infections in cardiac transplant recipients: clinical and microbiological characteristics and consequences

S Gómez-Moreno1, E Lage, M Jiménez-Jambrina

  • 1University Hospital Virgen del Rocío, Seville, Spain. silviamezmoreno@yahoo.es

Transplantation Proceedings
|November 14, 2006
PubMed
Abstract

Insights

Cardiac transplant recipients experienced a 70% infection rate, with bacteremia and pneumonia being most common. While infections led to serious complications, they did not impact 1-year survival rates.

Area of Science:

  • Cardiology
  • Transplantation Medicine
  • Infectious Diseases

Background:

  • Infections are a significant cause of morbidity and mortality in cardiac transplant recipients.
  • Identifying infection incidence, predisposing factors, and consequences is crucial for patient management.

Purpose of the Study:

  • To determine the incidence of infections post-cardiac transplantation.
  • To identify predisposing factors for infections in this patient population.
  • To evaluate the consequences of infections on patient outcomes and survival.

Main Methods:

  • A prospective study was conducted on 30 patients undergoing cardiac transplantation between July 2003 and May 2005.
  • Data collected included infection incidence, types, causative microorganisms, and patient complications.
  • Statistical analysis compared outcomes between patients with and without infections.

Main Results:

  • The infection incidence was 70%, with 21 episodes reported.
  • Bacteremia (28%), pneumonia (19%), and surgical wound infections (14%) were the most frequent.
  • Cytomegalovirus and coagulase-negative staphylococcus were the most common pathogens.
  • Patients with infections exhibited a higher frequency of serious complications, including renal failure and multiorgan failure (P < .05).

Conclusions:

  • Cardiac transplant recipients face a high incidence of infections (70%), primarily bacteremia, pneumonia, and surgical site infections.
  • Common causative agents include cytomegalovirus and coagulase-negative staphylococcus.
  • Despite increased complications, infections did not significantly affect the 1-year survival rate (83% vs. 88%, P = NS).

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