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Chest. 2000 Jul;118(1):138-45.

Clinical course, prognostic factors, and outcome prediction for HIV patients in the ICU. The PIP (Pulmonary complications, ICU support, and prognostic factors in hospitalized patients with HIV) study.

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Department of Internal Medicine, Division of Pulmonary and Critical Care, University of Florida Health Science Center, Jacksonville, FL, USA.



To describe the clinical course and prognostic factors in patients with HIV admitted to the ICU.


Prospective, observational.


A university-affiliated medical center.


: We included 169 consecutive ICU admissions, from April 1995 through March 1999, of 141 adults with HIV. Data collected included APACHE (acute physiology and chronic health evaluation) II score, CD4(+) lymphocyte count, serum albumin level, in-hospital mortality, and the development of organ failure, systemic inflammatory response syndrome (SIRS), and ARDS.


The ICU admission rate of hospitalized patients with HIV infection was 12%. The most common reason for ICU admission was respiratory failure, occurring in 65 patient admissions. Mechanical ventilation was required in 91 admissions (54%), ARDS developed in 37 admissions (22%), Pneumocystis carinii pneumonia was diagnosed in 24 admissions (14%), and SIRS developed in 126 admissions (75%). One or more organ failures developed in 131 admissions (78%). The actual and predicted mortality rates were 29.6% and 45.2%, respectively, with a standardized mortality ratio of 0.65. The most frequent immediate cause of death was bacterial infection. The CD4(+) lymphocyte count (median, 27.5 cells/microL vs 59 cells/microL; p = 0.0310) and serum albumin level (median 2.2 g/dL vs 2.6 g/dL; p = 0.0355) of nonsurvivors were lower and the APACHE II score (median, 30 vs 21; p < 0.0001) was higher, compared to those of survivors. A higher APACHE II score (odds ratio [OR], 1.11; 95% confidence interval [CI], 1.05 to 1.16) and a transfer from another hospital ward (OR, 3.03; 95% CI, 1.20 to 7.68) were independently associated with increased mortality. The median number of organ failures that developed in survivors was one, compared to four in nonsurvivors (p < 0.0001).


The outcome of HIV-infected patients admitted to the ICU has improved over the years. The CD4 count does not correlate with in-hospital mortality. Higher APACHE II scores and a transfer from another hospital ward are associated with a poor outcome.

[Indexed for MEDLINE]

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