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Kim TO, Lee JK, Kwon YS, Kim YI, Lim SC, Kim MS, Kho BG, Park CK, Oh IJ, Kim YC, Park HY, Shin HJ. Clinical characteristics and prognosis of patients with Pneumocystis jirovecii pneumonia without a compromised illness. PLoS One 2021; 16:e0246296. [PMID: 33539407 PMCID: PMC7861382 DOI: 10.1371/journal.pone.0246296] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 01/16/2021] [Indexed: 11/18/2022] Open
Abstract
Objective Pneumocystis jirovecii pneumonia (PCP) is a fatal respiratory infection, mostly associated with immunocompromised conditions. Several reports have described PCP development in patients who were not immunocompromised, but the clinical course and prognosis of PCP are not well understood. We compared the clinical characteristics and prognoses between patients with and without immunocompromised conditions who developed PCP. Methods We retrospectively analyzed patients who had been treated for PCP from three hospitals. We defined immunocompromised (IC) status as following: human immunodeficiency virus (HIV) infection; hematological malignancy; solid organ tumor under chemotherapy; rheumatic disease; medication with immunosuppressive agents. Patients without immunocompromised status were defined as being non-immunocompromised (non-IC). Results The IC and non-IC groups comprised 173 and 14 patients. The median ages were 62.0 and 74.0 years in the IC and the non-IC group, respectively. The median interval between admission and anti-PCP treatment was significantly longer for patients in the non-IC group than that for patients in the IC group (7 vs. 2 days). The in-hospital mortality rates were significantly higher for patients in the non-IC group than that for patients in the IC group (71.4% vs. 43.9%; P = 0.047). A longer interval between admission and anti-PCP therapy was associated with increased 90-day mortality rate in patients with PCP (hazard ratio, 1.082; 95% confidence interval, 1.015–1.153; P = 0.016). Conclusions Patients with PCP with no predisposing illnesses were older and had higher mortality rates than IC patients with PCP. Delayed anti-PCP treatment was associated with increased 90-day mortality.
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Affiliation(s)
- Tae-Ok Kim
- Department of Internal Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
- Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Jae-Kyeong Lee
- Department of Internal Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
- Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Yong-Soo Kwon
- Department of Internal Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
- Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Yu-Il Kim
- Department of Internal Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
- Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Sung-Chul Lim
- Department of Internal Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
- Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Min-Seok Kim
- Chonnam National University Medical School, Gwangju, Republic of Korea
- Lung and Esophageal Cancer Clinic, Chonnam National University Hwasun Hospital, Joennam, Republic of Korea
| | - Bo Gun Kho
- Chonnam National University Medical School, Gwangju, Republic of Korea
- Lung and Esophageal Cancer Clinic, Chonnam National University Hwasun Hospital, Joennam, Republic of Korea
| | - Cheol-Kyu Park
- Chonnam National University Medical School, Gwangju, Republic of Korea
- Lung and Esophageal Cancer Clinic, Chonnam National University Hwasun Hospital, Joennam, Republic of Korea
| | - In-Jae Oh
- Chonnam National University Medical School, Gwangju, Republic of Korea
- Lung and Esophageal Cancer Clinic, Chonnam National University Hwasun Hospital, Joennam, Republic of Korea
| | - Young-Chul Kim
- Chonnam National University Medical School, Gwangju, Republic of Korea
- Lung and Esophageal Cancer Clinic, Chonnam National University Hwasun Hospital, Joennam, Republic of Korea
| | - Ha Young Park
- Chonnam National University Medical School, Gwangju, Republic of Korea
- Department of Internal Medicine, Chonnam National University Bitgoeul Hospital, Gwangju, Republic of Korea
| | - Hong-Joon Shin
- Department of Internal Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
- Chonnam National University Medical School, Gwangju, Republic of Korea
- * E-mail:
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