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. 2010 Jun 15;50(12):1559-67.
doi: 10.1086/652768.

Factors associated with mortality in transplant patients with invasive aspergillosis

John W Baddley  1 , David R Andes, Kieren A Marr, Dimitrios P Kontoyiannis, Barbara D Alexander, Carol A Kauffman, Robert A Oster, Elias J Anaissie, Thomas J Walsh, Mindy G Schuster, John R Wingard, Thomas F Patterson, James I Ito, O Dale Williams, Tom Chiller, Peter G Pappas
Affiliations

Factors associated with mortality in transplant patients with invasive aspergillosis

John W Baddley et al. Clin Infect Dis. .

Abstract

Background: Invasive aspergillosis (IA) is an important cause of morbidity and mortality in hematopoietic stem cell transplant (HSCT) and solid organ transplant (SOT) recipients. The purpose of this study was to evaluate factors associated with mortality in transplant patients with IA.

Methods: Transplant patients from 23 US centers were enrolled from March 2001 to October 2005 as part of the Transplant Associated Infection Surveillance Network. IA cases were identified prospectively in this cohort through March 2006, and data were collected. Factors associated with 12-week all-cause mortality were determined by logistic regression analysis and Cox proportional hazards regression.

Results: Six-hundred forty-two cases of proven or probable IA were evaluated, of which 317 (49.4%) died by the study endpoint. All-cause mortality was greater in HSCT patients (239 [57.5%] of 415) than in SOT patients (78 [34.4%] of 227; P<.001). Independent poor prognostic factors in HSCT patients were neutropenia, renal insufficiency, hepatic insufficiency, early-onset IA, proven IA, and methylprednisolone use. In contrast, white race was associated with decreased risk of death. Among SOT patients, hepatic insufficiency, malnutrition, and central nervous system disease were poor prognostic indicators, whereas prednisone use was associated with decreased risk of death. Among HSCT or SOT patients who received antifungal therapy, use of an amphotericin B preparation as part of initial therapy was associated with increased risk of death.

Conclusions: There are multiple variables associated with survival in transplant patients with IA. Understanding these prognostic factors may assist in the development of treatment algorithms and clinical trials.

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Figures

Figure 1
Figure 1
Kaplan-Meier probability of survival after diagnosis of IA according to transplant type. Survival of SOT (top curve, dashed line) is compared with HSCT patients (bottom curve, solid line; p<0.001)
Figure 2
Figure 2
Mortality per year during the study. For both transplant groups there was a significant linear trend in decreased mortality (Cochran-Armitage Trend Test). Data for years 2005 and 2006 are combined, as only 13 patients developed IA in 2006.
See this image and copyright information in PMC

References

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