Chest · 1999
Bacteremic pneumococcal pneumonia in HIV-seropositive and HIV-seronegative adults.
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Feldman C, Glatthaar M, Morar R, Mahomed A G, Kaka S, Cassel M, Klugman K P
Аннотация
STUDY OBJECTIVES: To compare the demographic, clinical, laboratory, and microbiological data, and the hospital course and outcome of HIV-seropositive and HIV-seronegative adults with bacteremic pneumococcal pneumonia.
DESIGN: Retrospective observation study conducted over a 2-year period.
SETTING: Academic teaching hospital attached to the University of the Witwatersrand, Johannesburg, South Africa.
PATIENTS: Consecutive patients with bacteremic pneumococcal pneumonia were identified on the basis of positive blood culture results.
INTERVENTIONS: All available demographic, clinical, routine laboratory, radiographic, and microbiological data were recorded retrospectively for each of the patients, and the combined data for the HIV-seropositive patients were compared with those of the HIV-seronegative patients.
MEASUREMENT AND RESULTS: A total of 112 patients (31 HIV-seropositive and 81 HIV-seronegative patients) were entered into the study. The HIV-seropositive patients were significantly younger than the HIV-seronegative patients (32.8 vs 39.6 years old) and had lower admission hemoglobin (11.8 vs 13.4 g/dL), WBC count (10.3 vs 14.3 x 10(9)/L), serum albumin (31 vs 36 g/L), sodium (129 vs 132 mmol/L), and potassium (3.0 vs 3.5 mmol/L), respectively. Although the HIV-seropositive patients appeared to have more multilobar pulmonary consolidation on the chest radiograph than the HIV-seronegative patients (60% vs 34%), this did not quite reach statistical significance. In addition, the HIV-seropositive patients had significantly more infections (48.4% vs 20.8%) with pneumococcal serogroups/serotypes (serogroups 6, 19, 23, and serotype 14) that are found more commonly in children, and they also had more penicillin-resistant isolates (13% vs 2.5%) than the HIV-seronegative patients, respectively. Similarly, it was noted that when these data were analyzed according to gender (irrespective of HIV status), women had significantly more infections than men (47% vs 21%) with serogroups/serotypes that are usually found in children, more penicillin-resistant isolates (15% vs 1%), and more co-trimoxazole-resistant isolates (21% vs 5%), respectively. There were no differences noted in any of the other parameters, including initial APACHE (acute physiology and chronic health evaluation) II score, PaO2/fraction of inspired oxygen ratio, duration of temperature, duration of IV therapy, duration of hospitalization, complications, and outcome, when comparing HIV-seropositive and HIV-seronegative patients. Two patients in each group died.
CONCLUSIONS: The clinical features of bacteremic pneumococcal pneumonia are similar in HIV-seropositive and HIV-seronegative patients. Although differences are noted in various laboratory and microbiological parameters, they do not appear to have an impact on outcome.
DESIGN: Retrospective observation study conducted over a 2-year period.
SETTING: Academic teaching hospital attached to the University of the Witwatersrand, Johannesburg, South Africa.
PATIENTS: Consecutive patients with bacteremic pneumococcal pneumonia were identified on the basis of positive blood culture results.
INTERVENTIONS: All available demographic, clinical, routine laboratory, radiographic, and microbiological data were recorded retrospectively for each of the patients, and the combined data for the HIV-seropositive patients were compared with those of the HIV-seronegative patients.
MEASUREMENT AND RESULTS: A total of 112 patients (31 HIV-seropositive and 81 HIV-seronegative patients) were entered into the study. The HIV-seropositive patients were significantly younger than the HIV-seronegative patients (32.8 vs 39.6 years old) and had lower admission hemoglobin (11.8 vs 13.4 g/dL), WBC count (10.3 vs 14.3 x 10(9)/L), serum albumin (31 vs 36 g/L), sodium (129 vs 132 mmol/L), and potassium (3.0 vs 3.5 mmol/L), respectively. Although the HIV-seropositive patients appeared to have more multilobar pulmonary consolidation on the chest radiograph than the HIV-seronegative patients (60% vs 34%), this did not quite reach statistical significance. In addition, the HIV-seropositive patients had significantly more infections (48.4% vs 20.8%) with pneumococcal serogroups/serotypes (serogroups 6, 19, 23, and serotype 14) that are found more commonly in children, and they also had more penicillin-resistant isolates (13% vs 2.5%) than the HIV-seronegative patients, respectively. Similarly, it was noted that when these data were analyzed according to gender (irrespective of HIV status), women had significantly more infections than men (47% vs 21%) with serogroups/serotypes that are usually found in children, more penicillin-resistant isolates (15% vs 1%), and more co-trimoxazole-resistant isolates (21% vs 5%), respectively. There were no differences noted in any of the other parameters, including initial APACHE (acute physiology and chronic health evaluation) II score, PaO2/fraction of inspired oxygen ratio, duration of temperature, duration of IV therapy, duration of hospitalization, complications, and outcome, when comparing HIV-seropositive and HIV-seronegative patients. Two patients in each group died.
CONCLUSIONS: The clinical features of bacteremic pneumococcal pneumonia are similar in HIV-seropositive and HIV-seronegative patients. Although differences are noted in various laboratory and microbiological parameters, they do not appear to have an impact on outcome.