BACKGROUND AND OBJECTIVES: In the 2002 dengue outbreak in Taiwan, some fatal cases had the underlying disease of renal failure (RF). Physicians faced difficulty in diagnosis and treatment of these patients; however, the impacts of RF on the clinical presentations and outcomes of dengue infection have not been reported previously. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: A retrospective review was conducted of medical records, clinical presentations, laboratory findings, and underlying diseases for all cases of dengue infection in a medical center. Characteristics and outcomes of dengue-infected patients with and without RF were compared. RESULTS: From January 2002 through January 2003, 519 dengue-infected patients were enrolled, including 412 patients with classical dengue fever (DF) and 107 patients with dengue hemorrhagic fever (DHF)/dengue shock syndrome (DSS). Twelve patients died in this outbreak, and all had DHF/DSS. Twenty-one (4.0%) patients were defined as being in the RF group. The RF group had a higher mortality rate than non-RF group (28.6 versus 1.2%; P < 0.001). The severity of GFR impairment was associated with higher percentages of DHF/DSS (P = 0.029) and mortality (P < 0.001). Differences in symptoms/signs and laboratory abnormalities between DF and DHF/DSS were significant in the non-RF group but not apparent in the RF group. CONCLUSIONS: The diagnosis and management of dengue infection among patients with RF must be cautious, because complicated clinical courses with a higher mortality rate were well observed.
BACKGROUND AND OBJECTIVES: In the 2002 dengue outbreak in Taiwan, some fatal cases had the underlying disease of renal failure (RF). Physicians faced difficulty in diagnosis and treatment of these patients; however, the impacts of RF on the clinical presentations and outcomes of dengue infection have not been reported previously. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: A retrospective review was conducted of medical records, clinical presentations, laboratory findings, and underlying diseases for all cases of dengue infection in a medical center. Characteristics and outcomes of dengue-infectedpatients with and without RF were compared. RESULTS: From January 2002 through January 2003, 519 dengue-infectedpatients were enrolled, including 412 patients with classical dengue fever (DF) and 107 patients with dengue hemorrhagic fever (DHF)/dengue shock syndrome (DSS). Twelve patients died in this outbreak, and all had DHF/DSS. Twenty-one (4.0%) patients were defined as being in the RF group. The RF group had a higher mortality rate than non-RF group (28.6 versus 1.2%; P < 0.001). The severity of GFR impairment was associated with higher percentages of DHF/DSS (P = 0.029) and mortality (P < 0.001). Differences in symptoms/signs and laboratory abnormalities between DF and DHF/DSS were significant in the non-RF group but not apparent in the RF group. CONCLUSIONS: The diagnosis and management of dengue infection among patients with RF must be cautious, because complicated clinical courses with a higher mortality rate were well observed.
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