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Original Articles
- Pulmonary
- Characteristics and management of mechanically ventilated patients in South Korea compared with other high-income Asian countries and regions
- Kyung Hun Nam, Kyeongman Jeon, Suk-Kyung Hong, Ah Young Leem, Jee Hwan Ahn, Hang Jea Jang, Ki Sup Byun, So Hee Park, Sojung Park, Yoon Mi Shin, Jisoo Park, Sung Wook Kang, Jin Hyoung Kim, Jinkyeong Park, Deokkyu Kim, Bo young Lee, Woo Hyun Cho, Kwangha Lee, Song I Lee, Tai Sun Park, Yun Jung Jung, Sang-Hyun Kwak, Sang-Beom Jeon, Sung Hyun Kim, Won Jai Jung, Sang-Min Lee, Sunghoon Park, Yun Su Sim, Young-Jae Cho, Younsuck Koh
- Acute Crit Care. 2025;40(3):413-424. Published online August 21, 2025
- DOI: https://doi.org/10.4266/acc.003336
- 2,969 View
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Abstract
PDF - Background
This study investigated the characteristics of mechanically ventilated patients in South Korean intensive care units (ICUs). Methods: We conducted a subgroup analysis of a multinational observational study. Data from 271 mechanically ventilated patients in South Korean ICUs were analyzed for demographics, ventilation practices, and mortality, and were compared with those of 327 patients from other high-income Asian countries. Results: South Korean patients were older (mean age: 67 vs. 62 years, P<0.001) and had lower ratio of the partial pressure of arterial oxygen to the fraction of inspired oxygen (255.5 vs. 306.2, P<0.001). South Korean ICUs exhibited higher patient-to-nurse ratios (2.6 vs. 1.9, P<0.001) and more beds per unit (20.5 vs. 16.0, P=0.017). The use of sufficient positive end-expiratory pressure for patients (PEEP) for acute respiratory distress syndrome (ARDS) was less frequent in South Korea (62.2% vs. 91.2%, P=0.005). Mortality rates were similar between South Korean patients and those in other high-income Asian countries (38.0% vs. 34.2%, P=0.401). Significant mortality predictors in South Korea included age ≥65 years (odds ratio [OR], 4.03; P=0.039) and a Sequential Organ Failure Assessment score ≥8 (OR, 2.36; P=0.031). The presence of respiratory therapists was associated with reduced mortality (OR, 0.52; P=0.034). Conclusions: Despite higher age and patient-to-nurse ratios in South Korean ICUs, outcomes were comparable to those in other high-income Asian countries. The suboptimal use of sufficient PEEP with ARDS indicates potential areas for improvement. Additionally, the beneficial impact of respiratory therapists on mortality rates warrants further investigation.
- Pulmonary
- Closed intensive care units and sepsis patient outcomes: a secondary analysis of data from a multicenter prospective observational study in South Korea
- Kyeongman Jeon, Jin Hyoung Kim, Kyung Chan Kim, Heung Bum Lee, Hongyeul Lee, Song I Lee, Jin-Won Huh, Won Gun Kwack, Youjin Chang, Yun-Seong Kang, Won Yeon Lee, Je Hyeong Kim
- Acute Crit Care. 2025;40(2):209-220. Published online May 22, 2025
- DOI: https://doi.org/10.4266/acc.004128
- 4,860 View
- 104 Download
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Abstract
PDF
- Background
Sepsis is a leading cause of intensive care unit (ICU) admission. However, few studies have evaluated how the ICU model affects the outcomes of patients with sepsis.
Methods
This post hoc analysis of data from the Management of Severe Sepsis in Asia’s Intensive Care Units II study included 537 patients with sepsis admitted to 27 ICUs in Korea. The outcome measures of interest were compared between the closed ICU group, patients admitted under the full responsibility of an intensivist as the primary attending physician, and the open ICU group. The association between a closed ICU and ICU mortality was evaluated using a logistic regression analysis.
Results
Altogether, 363 and 174 enrolled patients were treated in open and closed ICUs, respectively. Compliance with the sepsis bundles did not differ between the two groups; however, the closed ICU group had a higher rate of renal replacement therapy and shorter duration of ventilator support. The closed ICU group also had a lower ICU mortality rate than the open ICU group (24.7% vs. 33.1%). In a logistic regression analysis, management in the closed ICU was significantly associated with a decreased ICU mortality rate even after adjusting for potential confounding factors (adjusted odds ratio, 0.576; 95% CI, 0.342–0.970), and that association was observed for up to 90 days.
Conclusions
Sepsis management in closed ICUs was significantly associated with improved ICU survival and decreased length of ICU stay, even though the compliance rates for the sepsis bundles did not differ between open and closed ICUs.
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