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Inicio Medicina Clínica (English Edition) Clinical profile and associated factors of pulmonary involvement in primary Sjö...
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Vol. 153. Issue 8.
Pages 305-311 (October 2019)
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Vol. 153. Issue 8.
Pages 305-311 (October 2019)
Original article
Clinical profile and associated factors of pulmonary involvement in primary Sjögren's syndrome
Perfil clínico y factores relacionados con la afectación pulmonar en el síndrome de Sjögren primario
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Yi Jina, Ting Zhangb, Wenjing Yec, Xiaochun Zhud, Liangxing Wange, Xiaobing Wangf,
Corresponding author
gale820907@163.com

Corresponding author.
a Rheumatology Department, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
b Department of Pulmonary and Critical Care Medicine, The First People's Hospital of Wenling, Wenling, Zhenjiang 317500, China
c Rheumatology Department, The Third Affiliated Hospital of Wenzhou Medical University, Ruian People's Hospital, Wenzhou, Zhejiang 325200, China
d Rheumatology Department, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
e Division of Pulmonary Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
f Rheumatology Department, The First Affiliated Hospital of Wenzhou Medical University, Nanbaixiang Street, Ouhai District, Wenzhou, Zhejiang 325035, China
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Tables (6)
Table 1. Demographic and clinical characteristics of the study cohort.
Table 2. Clinical symptoms and manifestations of patients with pulmonary involvement.
Table 3. Demographic and clinical characteristics according to pulmonary involvement.
Table 4. Correlation between histological manifestations and pulmonary features in PSS patients with pulmonary involvement.
Table 5. Univariate and multivariate analysis of factors associated with pulmonary involvement in PSS.
Table 6. Medication use in PSS patients.
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Abstract
Objectives

The aim of this study is to identify the clinical characteristics of primary Sjögren's syndrome (PSS) patients with pulmonary involvement and the associated factors for pulmonary involvement in PSS.

Methods

We retrospectively reviewed clinical features, laboratory examinations, imaging tests, pathological results and therapeutic strategy of 367 PSS patients. Comparisons were made between two subgroups: PSS with pulmonary involvement and those without. Correlation between the pathology of minor salivary gland biopsy (MSGB) and diverse features with pulmonary involvement were detected by Pearson correlation analysis and associated factors were selected by multivariate logistic regression analysis.

Results

The lung involved PSS patients had significantly higher level of inflammatory associated indexes (p<0.05). There is no significant correlation between pathology of MSGB and lung involvements. Age, elevated neutrophils level and hypoproteinemia are significantly associated with lung disease with in PSS cohort (p<0.05). As for therapeutic strategy, moderate dose prednisone (15–40mg/d) and cyclophosphamide (CTX) are mainly different between two subgroups.

Conclusions

PSS patients with pulmonary involvements show enhanced inflammation. Age, elevated neutrophils level and hypoproteinemia are independent associated with pulmonary involvements in PSS patients. For those PSS with pulmonary involvement moderate dose of prednisone and CTX were still the mainstream.

Keywords:
Primary Sjögren's syndrome
Lung disease
Hypoproteinemia
Resumen
Objetivos

El objetivo de este estudio es identificar las características clínicas de los pacientes con afectación pulmonar en el síndrome de Sjögren primario (SSp), y los factores relacionados con la afectación pulmonar en el SSp.

Métodos

Hemos revisado retrospectivamente las características clínicas, los análisis de laboratorio, las pruebas de imagen, los resultados patológicos y la estrategia terapéutica de 367 pacientes con SSp. Se realizaron comparaciones entre 2 subgrupos: SSp con afectación pulmonar y SSp sin afectación pulmonar. La correlación entre la patología de la biopsia de la glándula salival menor (BGSM) y diversas características con afectación pulmonar se detectó mediante el análisis de correlación de Pearson, y los factores asociados se seleccionaron mediante un análisis de regresión logística multivariable.

Resultados

Los pacientes con afectación pulmonar en el SSp tenían niveles significativamente más altos de índices inflamatorios asociados (p<0,05). No encontramos una correlación significativa entre la patología de la BGSM y la afectación pulmonar. La edad, el nivel elevado de neutrófilos y la hipoproteinemia se asociaron de manera independiente con la enfermedad pulmonar en la cohorte de SSp (p<0,05). En cuanto a la estrategia terapéutica: prednisona en dosis moderada (15–40mg/d) y ciclofosfamida (CTX) fueron los principales medicamentos entre los 2 subgrupos.

Conclusiones

Los pacientes con afectación pulmonar en el SSp tenían una inflamación más elevada que el grupo de pacientes con SSp sin afectación pulmonar. La edad, el nivel elevado de neutrófilos y la hipoproteinemia se asocian de manera independiente con la afectación pulmonar en pacientes con el SSp. Para aquellos pacientes con afectación pulmonar en el SSp, el tratamiento más común fue una dosis moderada de prednisona y CTX.

Palabras clave:
Síndrome de Sjögren primario
Enfermedad pulmonar
Hipoproteinemia

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