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Objective: Acute triglyceride‐lowering therapy is crucial in the early treatment of hypertriglyceridemia‐induced pancreatitis. This study aimed to compare the efficacy of continuous i.v. infusion of insulin and heparin therapy (IHT) and plasma exchange to lower triglyceride levels in the acute phase of hypertriglyceridemia‐induced pancreatitis. Methods: A retrospective observational study was conducted in a tertiary teaching hospital. Patients with hypertriglyceridemia‐induced pancreatitis were consecutively enrolled from 2012 to 2017. Serum triglyceride levels and clinical data during hospitalization were collected. The primary outcome was the rapid reduction of triglyceride levels. Results: Of the 62 patients enrolled, 34 (54.8%) were treated with IHT and the others with plasma exchange. A reduced triglyceride level of (66.9 ± 21.5)% after the first plasma exchange session and that of (75.0 ± 14.6)% after the first day of IHT were observed. There were no significant differences in the reduction of triglyceride (F = 0.334), high sensitivity C‐reactive protein (F = 0.127) and the acute physiology and chronic health evaluation II score (F = 2.589) between the two groups (all P > 0.05). The medical cost during hospitalization was significantly lower in the IHT group than in the plasma exchange group (RMB [59 512.4 ± 23 645.1] vs RMB [89 461.9 ± 48 324.0], P < 0.05). Adverse effects were observed in six patients in the plasma exchange group but none in the IHT group. Conclusion: As a minimally invasive and economical strategy, IHT is effective and non‐inferior to plasma exchange in achieving a rapid reduction of triglyceride levels. [ABSTRACT FROM AUTHOR]

Objective: The etiologies of acute respiratory failure in patients with systemic rheumatic diseases (SRDs) requiring intensive care remain unknown. This study was undertaken to investigate the etiologies and outcomes. Methods: A medical records review study was performed of 259 adult SRDs patients with respiratory failure admitted to medical ICU across a 5-year period. The etiologies were classified as infection, SRD exacerbation, and undetermined. The factors associated with ICU mortality were identified with multivariate logistic regression analysis. Results: The etiologies of respiratory failure included infection (n = 209, 80.7%), SRD exacerbation (n = 71, 27.4%), and undetermined (n = 21, 8.1%). The most common pathogen was Pneumocystis jirovecii (39.8%), followed by Aspergillus spp. (33.2%), and cytomegalovirus (23.2%). The ICU mortality rate was 59.8%. A high acute physiology and chronic health evaluation II score (OR 1.118, 95% CI 1.054 to 1.186, p < 0.001), a PaO2/FiO2 ratio < 100 mmHg (OR 3.918, 95% CI 2.199 to 6.892, p < 0.001), and a diagnosis of dermatomyositis/polymyositis (OR 4.898, 95% CI 1.949 to 12.309, p = 0.001), vasculitis (OR 3.007, 95% CI 1.237 to 7.309, p = 0.015), and Pneumocystis pneumonia (OR 2.345, 95% CI 1.168 to 4.705, p = 0.016) were associated with increased mortality. Conclusions: Opportunistic infections and SRD exacerbation were the most common etiologies of acute respiratory failure in patients with SRDs requiring ICU admission, with high ICU mortality. Development of a standard protocol for differential diagnosis in this population might help initiate definitive therapy and improve clinical outcome. Key Points • Infections, especially with opportunistic infections, were the leading cause of acute respiratory failure in critically ill rheumatology patients, with high mortality. • Severity of illness, certain types of rheumatic diseases, and opportunistic fungal infections were associated with increased mortality. • Using a comprehensive diagnostic workup might help to confirm the infective etiology and improve outcome. [ABSTRACT FROM AUTHOR]