LitCovid-sentences  

PubMed:32676677 JSONTXT 13 Projects

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Id Subject Object Predicate Lexical cue
T1 0-174 Sentence denotes Transmission of droplet-conveyed infectious agents such as SARS-CoV-2 by speech and vocal exercises during speech therapy: preliminary experiment concerning airflow velocity.
T2 175-183 Sentence denotes PURPOSE:
T3 184-276 Sentence denotes Infectious agents, such as SARS-CoV-2, can be carried by droplets expelled during breathing.
T4 277-358 Sentence denotes The spatial dissemination of droplets varies according to their initial velocity.
T5 359-473 Sentence denotes After a short literature review, our goal was to determine the velocity of the exhaled air during vocal exercises.
T6 474-482 Sentence denotes METHODS:
T7 483-614 Sentence denotes A propylene glycol cloud produced by 2 e-cigarettes' users allowed visualization of the exhaled air emitted during vocal exercises.
T8 615-743 Sentence denotes Airflow velocities were measured during the first 200 ms of a long exhalation, a sustained vowel /a/ and varied vocal exercises.
T9 744-853 Sentence denotes For the long exhalation and the sustained vowel /a/, the decrease of airflow velocity was measured until 3 s.
T10 854-989 Sentence denotes Results were compared with a Computational Fluid Dynamics (CFD) study using boundary conditions consistent with our experimental study.
T11 990-998 Sentence denotes RESULTS:
T12 999-1114 Sentence denotes Regarding the production of vowels, higher velocities were found in loud and whispered voices than in normal voice.
T13 1115-1189 Sentence denotes Voiced consonants like /ʒ/ or /v/ generated higher velocities than vowels.
T14 1190-1301 Sentence denotes Some voiceless consonants, e.g., /t/ generated high velocities, but long exhalation had the highest velocities.
T15 1302-1433 Sentence denotes Semi-occluded vocal tract exercises generated faster airflow velocities than loud speech, with a decreased velocity during voicing.
T16 1434-1536 Sentence denotes The initial velocity quickly decreased as was shown during a long exhalation or a sustained vowel /a/.
T17 1537-1582 Sentence denotes Velocities were consistent with the CFD data.
T18 1583-1594 Sentence denotes CONCLUSION:
T19 1595-1679 Sentence denotes Initial velocity of the exhaled air is a key factor influencing droplets trajectory.
T20 1680-1766 Sentence denotes Our study revealed that vocal exercises produce a slower airflow than long exhalation.
T21 1767-1902 Sentence denotes Speech therapy should, therefore, not be associated with an increased risk of contamination when implementing standard recommendations.