{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,9,23]],"date-time":"2023-09-23T09:22:18Z","timestamp":1695460938090},"reference-count":30,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"9","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Am J Phys Med Rehabil"],"published-print":{"date-parts":[[2019,9]]},"abstract":"<jats:sec>\n            <jats:title>Objective<\/jats:title>\n            <jats:p>The aim of the study was to evaluate the efficacy of noninvasive ventilatory assistance\/support via mouthpiece to improve performance in 6-min walk tests for individuals with severe restrictive ventilatory disorders.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Design<\/jats:title>\n            <jats:p>Each subject performed the 6-min walk test breathing spontaneously and again while using mouthpiece noninvasive ventilatory assistance\/support at full ventilatory support. Oxyhemoglobin saturation (O<jats:sub>2<\/jats:sub> sat), heart rate, Borg scale, distance walked, and ambulation duration were recorded.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>Eighteen patients using nocturnal nasal noninvasive ventilatory assistance\/support, median (interquartile range) age of 58.5 (20) yrs, were studied. Their median baseline forced vital capacity and Pa<jats:sc>co<\/jats:sc>\n                                 <jats:sub>2<\/jats:sub> were 940 (385) ml and 54.1 (6) mm Hg, respectively. All used noninvasive ventilatory assistance\/support for at least overnight hours for 36 (111) mos. Because of the progression of ventilatory impairment and hypercapnia, daytime mouthpiece noninvasive ventilatory assistance\/support was initiated. All the 6-min walk test parameters improved significantly by using noninvasive ventilatory assistance\/support. Both initial and final values of O<jats:sub>2<\/jats:sub> saturation significantly increased (92% [6] vs 96% [2], <jats:italic toggle=\"yes\">P<\/jats:italic> &lt; 0.001) and (80% [19] vs 85.50% [13], <jats:italic toggle=\"yes\">P<\/jats:italic> = 0.001), respectively. The median distance walked increased by 43% with noninvasive ventilatory assistance\/support (175 [218] m vs 250 [113] m, <jats:italic toggle=\"yes\">P<\/jats:italic> = 0.017), and the total ambulation time also increased with noninvasive ventilatory assistance\/support (5.45 [3] mins <jats:italic toggle=\"yes\">vs.<\/jats:italic> 6 [0] mins, <jats:italic toggle=\"yes\">P<\/jats:italic> = 0.008).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p>The exercise tolerance of patients with severe ventilatory impairment can improve by using noninvasive ventilatory support.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1097\/phm.0000000000001193","type":"journal-article","created":{"date-parts":[[2019,4,9]],"date-time":"2019-04-09T21:39:59Z","timestamp":1554845999000},"page":"789-793","source":"Crossref","is-referenced-by-count":1,"title":["Ventilatory Support via Mouthpiece to Facilitate 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