2021 / 03

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DOI: 10.47183/mes.2021.025

ORIGINAL RESEARCH

Respiratory muscle strength in patients after COVID-19

Savushkina OI1,2, Malashenko MM2, Cherniak AV1, Krjukov EV2, Sinitsyn EA1, Zykov KA1
About authors

1 Pulmonology Scientific Research Institute under Federal Medical Biological Agency, Moscow, Russia

2 Main Military Clinical Hospital named after academician N. N., Ministry of Defense, Moscow, Russia

Correspondence should be addressed: Olga I. Savushkina
Orekhovy bulvar, 28, Moscow, 115682; ur.xednay@anikhsuvas-aglo

About paper

Funding: ordered by the state under the research topic "Impact of the new coronavirus infection SARS-CoV-2 on the functional parameters of respiratory system during the convalescence period" (code: "Post-COVID functional diagnostics").

Acknowlegements: we would like to thank Zaitov M. R., engineer of ZAO Meditsinskioye Sistemy, for technical support.

Author contribution: Savushkina OI — study design development, clinical material collection, analysis and interpretation of the results, article authoring; Malashenko MM — clinical material collection, interpretation of the results; Chernyak AV — study design development, clinical material collection, analysis and interpretation of the results, article editing; Kryukov EV — article concept development, editing; Sinitsyn EA — interpretation of the results, article editing; Zykov KA — article editing, approval of the final version of the manuscript.

Compliance with ethical standards: the study was approved by the Ethics Committee of the Pulmonology Scientific Research Institute of the FMBA of Russia (minutes № 01-21 of May 14, 2021). All study participants signed informed consent.

Received: 2021-07-19 Accepted: 2021-08-09 Published online: 2021-09-16
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Table 1. Patient characteristics
Note: the data are presented as quantity (n) or median (lower quartile — upper quartile). BMI — body mass index; * — subgroups 1 and 2 compared with Mann– Whitney test; NS — no significant differences found between subgroups 1 and 2.
Table 2. Spirometry, body plethysmography, diffusion test, respiratory muscle strength test data
Note: data are presented as median (lower quartile — upper quartile); * — Mann–Whitney test applied to comparison of subgroups 1 and 2; NS — no significant differences found between subgroups 1 and 2.