The functional state of the respiratory system of the patients with proximal spinal muscular atrophy 5q (SMA 5q): from the natural history of the disease to the era of pathogenetic therapy. Problems and expectations

Author:

Rastegina S. E.1ORCID,Vlodavets D. V.2ORCID,Mizernitskiy Yu. L.1ORCID

Affiliation:

1. Veltischev Research and Clinical Institute for Pediatrics and Pediatric Surgery of the Pirogov Russian National Research Medical University

2. Veltischev Research and Clinical Institute for Pediatrics and Pediatric Surgery of the Pirogov Russian National Research Medical University; Pirogov Russian National Research Medical University

Abstract

   Proximal spinal muscular atrophy 5q is an autosomal recessive neuromuscular disease. This disorder is characterized by progressive symptoms of flaccid paralysis and muscular atrophy due to degeneration of α-motor neurons in the anterior horns of the spinal cord. The disease is caused by the lack of a fully functional SMN protein due to homozygous deletion of exon 7 in the SMN1 gene. For a long time, spinal muscular atrophy was the leading genetic cause of infant mortality. With the introduction of modern pathogenetic treatment methods that modify the disease, the duration and quality of life of patients increases, and a “blurring of boundaries” between types of spinal muscular atrophy and the formation of new phenotypes happens. In this regard, approaches to patient management, including approaches to the assessment and correction of respiratory disorders, are changing. The review of the available medical literature was conducted. The clinical studies on spinal muscular atrophy in the natural course of the disease and with the use of pathogenetic drugs were analyzed, as well as the data on the state of the respiratory system of the patients.

Publisher

The National Academy of Pediatric Science and Innovation

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