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Clinical analysis of in-hospital mortality in patients with idiopathic inflammatory myopathies / 中华风湿病学杂志
Chinese Journal of Rheumatology ; (12): 670-675, 2020.
Article in Chinese | WPRIM | ID: wpr-868246
ABSTRACT

Objective:

To explore the clinical features and risk factors of in-hospital mortality in idiopathic inflammatory myopathies (IIM) patients.

Results:

We retrospectively analyzed clinical records of polymyositis (PM), classic dermatomyositis (CDM) and clinically amyopathic dermatomyositis (CADM) patients admitted to the First Affiliated Hospital of Zhejiang University from February 2011 to February 2019. The deceased group was defined as the patients who died in hospital or within 2 weeks after hospital discharge, while the survival group was defined as the survival patients. The clinical features were described. Risk factors for deceased patients were identified by logistic regression analysis.

Results:

The in-hospital mortality rate of IIM patients ( n=424) was 9.4%. The hospitalization time was longer in deceased group ( n=40) [0.9(0.5, 1.0) m vs 0.6(0.4, 1.0) m, Z=-2.159, P<0.05]. Ferritin [1170.8(757.6, 3 759.9) μg/L vs 374.9(182.1, 993.4) μg/L, Z=-4.665], red blood cell distribution width (RDW) [15.2(14.5, 16.3)% vs 14.4(13.5, 15.2)%, Z=-3.066], CRP con-centrations [11.3(4.4, 36.9) mg/L vs 5.1(1.8, 17.2) mg/L, Z=-2.667] and neutrophil-to-lymphocyte ratio (NLR) [10.1(5.5, 18.9) vs 4.2(2.6, 6.5), Z=-5.108] were higher in deceased group ( P<0.05). Proportion of patients with high levels of CEA (45.0% vs 12.5%, χ2=15.745), glutamyl transpeptidase (γ-GT) (55.0% vs 23.8%, χ2=11.578), fucosidase (AFU) (35.0% vs 10.0%, χ2=10.902) and with complications [including pro-gressive in-terstitial lung disease (ILD) (60.0% vs 16.3%, χ2=23.934), pulmonary infection (72.5% vs 20.0%, χ2=31.360), hemophagocytic lymphohistiocytosis (35.0% vs 1.3%, χ2=27.771) and low T3 syndrome (50.0% vs 17.5%, χ2=16.644) were higher in deceased group ( P<0.05). Steroid pulse therapy and intravenous immuno-globulin therapy were more common in deceased group. Higher on-admission disease activity [ OR=1.593, 95% CI(1.255, 2.022), P<0.001], progressive ILD [ OR=5.600, 95% CI(1.510, 20.772), P=0.010] and pulmonary infection [ OR=6.771, 95% CI(2.031, 22.574), P=0.002] were independent risk factors for death in IIM patients. In su-bsection analysis, pulmonary infection and respiratory failure were short-term adverse prognostic factors for IIM patients with progressive ILD, while heliotrope rash, progressive ILD and increased steroid dose therapy were short-term adverse prognostic factors for IIM patients with pulmonary infection.

Conclusion:

High disease activity at admission, progressive ILD and pulmonary infection are the independent risk factors for death in IIM patients. Therefore, it is necessary to closely monitor above indicators during hospitalization.
Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study / Risk factors Language: Chinese Journal: Chinese Journal of Rheumatology Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study / Risk factors Language: Chinese Journal: Chinese Journal of Rheumatology Year: 2020 Type: Article