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Vol. 31. Issue S1.
Interstitial Lung Disease Associated with Autoimmune Diseases
Pages S110-S122 (April 2024)
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Vol. 31. Issue S1.
Interstitial Lung Disease Associated with Autoimmune Diseases
Pages S110-S122 (April 2024)
Review Article
Antibodies related to the presence, and putatively, development of interstitial lung disease in patients with anti-synthetase syndrome: A systematic literature review and meta-analysis
Anticuerpos relacionados con la presencia y, putativamente, el desarrollo de la enfermedad pulmonar intersticial en pacientes con síndrome antisintetasa: revisión sistemática de la literatura y metaanálisis
Alejandra García-Ruedaa,
Corresponding author
alejandritagr@gmail.com

Corresponding author.
, María Paula Uchima-Verab, Jorge Bruce Florez-Suarezb, Olga Milena Garcíac, Gerardo Quintana-Lópezb,d,e
a Department of Internal Medicine, Faculty of Medicine, Universidad El Bosque, Bogota, Colombia
b Department of Internal Medicine, Reumavance Group, Faculty of Medicine, Universidad de Los Andes, Bogota, Colombia
c Section of Pulmonology, Department of Internal Medicine, Fundación Santa Fe de Bogotá University Hospital, Bogota, Colombia
d Reumavance Group, Section of Rheumatology, Department of Internal Medicine, Fundación Santa Fe de Bogotá University Hospital, Bogota, Colombia
e Department of Internal Medicine, Faculty of Medicine, Universidad Nacional de Colombia, Bogota, Colombia
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Table 1. Summary of included studies characteristics.
Table 2. Demographic characteristics, and summary of findings in the selected studies.
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Special issue
This article is part of special issue:
Vol. 31. Issue S1

Interstitial Lung Disease Associated with Autoimmune Diseases

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Abstract
Introduction

Anti-synthetase syndrome is a recently characterized entity whose morbidity and mortality are mainly determined by interstitial lung involvement. For this reason, it is considered important to identify the association between the presence of anti-synthetase antibodies and the presence and putatively, the development of a specific radiological pattern of interstitial lung disease.

Objective

To determine the association between the antibodies present at the time of diagnosis of anti-synthetase syndrome and the presence of interstitial lung disease.

Materials and methods

Systematic review of the literature and meta-analysis. The search strategy was carried out in: EMBASE, LILACS, PUBMED, CENTRAL (Cochrane), and Grey Literature. The primary outcomes were the detection of the different radiological patterns of interstitial lung disease, and the reported specific anti-synthetase antibody.

Results

One hundred seventy-six patients were identified; Jo-1 in combination with NSIP was the most frequent pattern. Quantitative analysis suggests that PL-7 expression is associated with the presence of UIP and NSIP. For obstructive pneumonitis, a relationship was observed with the presence of anti EJ, while the expression of PL-7 was negatively associated. Also, EJ had a negative association with the presence of NSIP. The observed associations were corroborated with the subgroup analysis carried out using the two retrospective observational studies identified.

Conclusion

Despite the limitations, PL-7 and EJ showed significant associations with the presence of specific patterns of interstitial lung disease. Jo-1 did not have a significant specific association. Studies of higher methodological quality are required to generate recommendations that affect clinical practice.

Keywords:
Interstitial lung disease
Anti-synthetase syndrome
Anti-Jo-1 antibodies
Resumen
Introducción

El síndrome antisintetasa es una entidad recientemente caracterizada, cuya morbimortalidad está determinada principalmente por el compromiso pulmonar intersticial; por esta razón, se considera importante identificar la agrupación entre la presencia de los anticuerpos antisintetasa y el desarrollo de un patrón radiológico específico de la enfermedad pulmonar intersticial.

Objetivo

Determinar la asociación entre los anticuerpos presentes al momento del diagnóstico de síndrome antisintetasa y el desarrollo de la enfermedad pulmonar intersticial.

Métodos

Revisión sistemática de la literatura y metaanálisis; se empleó la estrategia de búsqueda en Embase, Lilacs, PubMed, Central (Cochrane) y Grey LIterature. Los desenlaces primarios fueron la detección de los diferentes patrones radiológicos de enfermedad pulmonar intersticial, así como el anticuerpo antisintetasa específico reportado.

Resultados

Fueron identificados 176 pacientes, siendo antihistidil-ARNt (Jo-1) y el patrón de neumonía intersticial no específica (NINE), los de mayor frecuencia. El análisis cuantitativo sugiere que la expresión de treonil-ARNt sintetasa (PL-7) se asocia con el desarrollo de neumonía intersticial usual (NIU) y NINE. En el patrón de NO, se observó una relación con la presencia de anti-glicil-ARNt sintetasa (anti-EJ), mientras que la expresión de PL-7 presentó una asociación negativa. También, EJ tuvo una unión negativa con el desarrollo de NINE. Las asociaciones observadas fueron corroboradas con el análisis por subgrupos realizados con los dos estudios observacionales retrospectivos identificados.

Conclusión

Se pudo observar una relación entre Jo-1 y PL-7 con el desarrollo de patrones específicos radiológicos de enfermedad pulmonar intersticial. Se requieren estudios de mayor calidad metodológica para generar recomendaciones que impacten la práctica clínica sobre esta enfermedad.

Palabras clave:
Enfermedad pulmonar intersticial
Síndrome antisintetasa
Anticuerpos anti Jo-1

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