Measuring vital capacity in amyotrophic lateral sclerosis: Effects of interfaces and reproducibility
Deterioration of vital capacity (VC) in amyotrophic lateral sclerosis (ALS) signifies disease progression and indicates need for non-invasive ventilation. Weak facial muscles consequent to ALS, with resulting poor mouth seal, may interfere with the accuracy of VC measurements. To determine whether d...
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description | Deterioration of vital capacity (VC) in amyotrophic lateral sclerosis (ALS) signifies disease progression and indicates need for non-invasive ventilation. Weak facial muscles consequent to ALS, with resulting poor mouth seal, may interfere with the accuracy of VC measurements.
To determine whether different interfaces affect VC measurements in ALS patients and whether the interface yielding the largest VC produces an even higher VC when re-measured after one week (learning effect). To explore the relationship between optimal interface VC and sniff nasal pressure (SNIP), a measurement of global inspiratory muscle strength.
Thirty-five patients (17 bulbar and 18 spinal ALS) were studied. Three interfaces (rigid-cylindrical, flanged, oronasal mask) were tested. One week after the first visit, VC was recorded using the optimal interface. SNIP recordings were also obtained.
In the bulbar ALS group, median (interquartile range) VC with the flanged mouthpiece was 8.4% (3.9–15.5) larger than with the cylindrical mouthpiece (p |
doi_str_mv | 10.1016/j.rmed.2020.106277 |
format | Article |
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To determine whether different interfaces affect VC measurements in ALS patients and whether the interface yielding the largest VC produces an even higher VC when re-measured after one week (learning effect). To explore the relationship between optimal interface VC and sniff nasal pressure (SNIP), a measurement of global inspiratory muscle strength.
Thirty-five patients (17 bulbar and 18 spinal ALS) were studied. Three interfaces (rigid-cylindrical, flanged, oronasal mask) were tested. One week after the first visit, VC was recorded using the optimal interface. SNIP recordings were also obtained.
In the bulbar ALS group, median (interquartile range) VC with the flanged mouthpiece was 8.4% (3.9–15.5) larger than with the cylindrical mouthpiece (p < 0.001). VC values with oronasal mask were intermediate to VC with the other two interfaces. In spinal ALS, flanged mouthpiece VC was 4.6% (2.3–7.5) larger than with oronasal mask (p < 0.0006). The latter was 4.5% (0.6–5.2) smaller than with the cylindrical mouthpiece (p = 0.002). In both groups, VC during the second visit was greater than during the first visit (p < 0.025). SNIPs were logarithmically related to VC values recorded with the flanged mouthpiece.
A flanged mouthpiece yields the largest values of VC in patients with bulbar and spinal ALS.
•Deterioration of vital capacity (VC) in ALS signifies disease progression.•Weak facial muscles consequent to ALS, with resulting poor mouth seal, interfere with VC measurement.•VC measured with rigid cylindrical, flanged mouthpieces and oronasal mask.•After one week, VC values recorded with a flanged mouthpieces were larger than baseline.•Accurate VC measurement in ALS is best made with flanged mouthpiece.</description><identifier>ISSN: 0954-6111</identifier><identifier>EISSN: 1532-3064</identifier><identifier>DOI: 10.1016/j.rmed.2020.106277</identifier><identifier>PMID: 33310203</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Amyotrophic lateral sclerosis ; Disease ; Experiments ; Interfaces ; Multivariate analysis ; Muscle strength ; Muscles ; Non-invasive ventilation ; Oral interfaces ; Ostomy ; Oxygen therapy ; Patients ; Reproducibility ; Respiration ; Respiratory function ; Respiratory function test ; Respiratory muscle weakness ; Spirometry ; Ventilation</subject><ispartof>Respiratory medicine, 2021-01, Vol.176, p.106277-106277, Article 106277</ispartof><rights>2020 Elsevier Ltd</rights><rights>Copyright © 2020 Elsevier Ltd. All rights reserved.</rights><rights>2020. Elsevier Ltd</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c428t-8bd01af68f028475d76b035cbde1c5f720c8d143bf54f76aee3cb2996c7266963</citedby><cites>FETCH-LOGICAL-c428t-8bd01af68f028475d76b035cbde1c5f720c8d143bf54f76aee3cb2996c7266963</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.rmed.2020.106277$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33310203$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Pellegrino, Giulia Michela</creatorcontrib><creatorcontrib>Sferrazza Papa, Giuseppe Francesco</creatorcontrib><creatorcontrib>Centanni, Stefano</creatorcontrib><creatorcontrib>Corbo, Massimo</creatorcontrib><creatorcontrib>Kvarnberg, David</creatorcontrib><creatorcontrib>Tobin, Martin J.</creatorcontrib><creatorcontrib>Laghi, Franco</creatorcontrib><title>Measuring vital capacity in amyotrophic lateral sclerosis: Effects of interfaces and reproducibility</title><title>Respiratory medicine</title><addtitle>Respir Med</addtitle><description>Deterioration of vital capacity (VC) in amyotrophic lateral sclerosis (ALS) signifies disease progression and indicates need for non-invasive ventilation. Weak facial muscles consequent to ALS, with resulting poor mouth seal, may interfere with the accuracy of VC measurements.
To determine whether different interfaces affect VC measurements in ALS patients and whether the interface yielding the largest VC produces an even higher VC when re-measured after one week (learning effect). To explore the relationship between optimal interface VC and sniff nasal pressure (SNIP), a measurement of global inspiratory muscle strength.
Thirty-five patients (17 bulbar and 18 spinal ALS) were studied. Three interfaces (rigid-cylindrical, flanged, oronasal mask) were tested. One week after the first visit, VC was recorded using the optimal interface. SNIP recordings were also obtained.
In the bulbar ALS group, median (interquartile range) VC with the flanged mouthpiece was 8.4% (3.9–15.5) larger than with the cylindrical mouthpiece (p < 0.001). VC values with oronasal mask were intermediate to VC with the other two interfaces. In spinal ALS, flanged mouthpiece VC was 4.6% (2.3–7.5) larger than with oronasal mask (p < 0.0006). The latter was 4.5% (0.6–5.2) smaller than with the cylindrical mouthpiece (p = 0.002). In both groups, VC during the second visit was greater than during the first visit (p < 0.025). SNIPs were logarithmically related to VC values recorded with the flanged mouthpiece.
A flanged mouthpiece yields the largest values of VC in patients with bulbar and spinal ALS.
•Deterioration of vital capacity (VC) in ALS signifies disease progression.•Weak facial muscles consequent to ALS, with resulting poor mouth seal, interfere with VC measurement.•VC measured with rigid cylindrical, flanged mouthpieces and oronasal mask.•After one week, VC values recorded with a flanged mouthpieces were larger than baseline.•Accurate VC measurement in ALS is best made with flanged mouthpiece.</description><subject>Amyotrophic lateral sclerosis</subject><subject>Disease</subject><subject>Experiments</subject><subject>Interfaces</subject><subject>Multivariate analysis</subject><subject>Muscle strength</subject><subject>Muscles</subject><subject>Non-invasive ventilation</subject><subject>Oral interfaces</subject><subject>Ostomy</subject><subject>Oxygen therapy</subject><subject>Patients</subject><subject>Reproducibility</subject><subject>Respiration</subject><subject>Respiratory function</subject><subject>Respiratory function test</subject><subject>Respiratory muscle weakness</subject><subject>Spirometry</subject><subject>Ventilation</subject><issn>0954-6111</issn><issn>1532-3064</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kc1O3DAUhS3UCqbAC7CoLHXDJlP_xU5QNwhRWomqG1hbzvU19SiTDHaCNG-Po4FNF6ws-X7n-PocQi44W3PG9ffNOm3RrwUTy4UWxhyRFa-lqCTT6hNZsbZWleacn5AvOW8YY61S7JicSCl5UckV8X_Q5TnF4Ym-xMn1FNzOQZz2NA7UbffjlMbdvwi0dxOmMs_QYxpzzFf0NgSEKdMxFLhMgwPM1A2eJtyl0c8Qu9gXrzPyObg-4_nbeUoef94-3Pyq7v_e_b65vq9AiWaqms4z7oJuAhONMrU3umOyhs4jhzoYwaDxXMku1CoY7RAldKJtNRihdavlKbk8-JbXn2fMk93GDNj3bsBxzlYow5jQTJqCfvsP3YxzGsp2hWqaWvLaqEKJAwXlyzlhsLsUty7tLWd26cBu7NKBXTqwhw6K6Oub9dwts3fJe-gF-HEAsGTxEjHZDBEHQB9TCdT6MX7k_wql15g_</recordid><startdate>202101</startdate><enddate>202101</enddate><creator>Pellegrino, Giulia Michela</creator><creator>Sferrazza Papa, Giuseppe Francesco</creator><creator>Centanni, Stefano</creator><creator>Corbo, Massimo</creator><creator>Kvarnberg, David</creator><creator>Tobin, Martin J.</creator><creator>Laghi, Franco</creator><general>Elsevier Ltd</general><general>Elsevier Limited</general><scope>6I.</scope><scope>AAFTH</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U9</scope><scope>ASE</scope><scope>FPQ</scope><scope>H94</scope><scope>K6X</scope><scope>K9.</scope><scope>M7N</scope><scope>NAPCQ</scope><scope>7X8</scope></search><sort><creationdate>202101</creationdate><title>Measuring vital capacity in amyotrophic lateral sclerosis: Effects of interfaces and reproducibility</title><author>Pellegrino, Giulia Michela ; Sferrazza Papa, Giuseppe Francesco ; Centanni, Stefano ; Corbo, Massimo ; Kvarnberg, David ; Tobin, Martin J. ; Laghi, Franco</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c428t-8bd01af68f028475d76b035cbde1c5f720c8d143bf54f76aee3cb2996c7266963</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Amyotrophic lateral sclerosis</topic><topic>Disease</topic><topic>Experiments</topic><topic>Interfaces</topic><topic>Multivariate analysis</topic><topic>Muscle strength</topic><topic>Muscles</topic><topic>Non-invasive ventilation</topic><topic>Oral interfaces</topic><topic>Ostomy</topic><topic>Oxygen therapy</topic><topic>Patients</topic><topic>Reproducibility</topic><topic>Respiration</topic><topic>Respiratory function</topic><topic>Respiratory function test</topic><topic>Respiratory muscle weakness</topic><topic>Spirometry</topic><topic>Ventilation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pellegrino, Giulia Michela</creatorcontrib><creatorcontrib>Sferrazza Papa, Giuseppe Francesco</creatorcontrib><creatorcontrib>Centanni, Stefano</creatorcontrib><creatorcontrib>Corbo, Massimo</creatorcontrib><creatorcontrib>Kvarnberg, David</creatorcontrib><creatorcontrib>Tobin, Martin J.</creatorcontrib><creatorcontrib>Laghi, Franco</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Virology and AIDS Abstracts</collection><collection>British Nursing Index</collection><collection>British Nursing Index (BNI) (1985 to Present)</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>British Nursing Index</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Nursing & Allied Health Premium</collection><collection>MEDLINE - Academic</collection><jtitle>Respiratory medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pellegrino, Giulia Michela</au><au>Sferrazza Papa, Giuseppe Francesco</au><au>Centanni, Stefano</au><au>Corbo, Massimo</au><au>Kvarnberg, David</au><au>Tobin, Martin J.</au><au>Laghi, Franco</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Measuring vital capacity in amyotrophic lateral sclerosis: Effects of interfaces and reproducibility</atitle><jtitle>Respiratory medicine</jtitle><addtitle>Respir Med</addtitle><date>2021-01</date><risdate>2021</risdate><volume>176</volume><spage>106277</spage><epage>106277</epage><pages>106277-106277</pages><artnum>106277</artnum><issn>0954-6111</issn><eissn>1532-3064</eissn><abstract>Deterioration of vital capacity (VC) in amyotrophic lateral sclerosis (ALS) signifies disease progression and indicates need for non-invasive ventilation. Weak facial muscles consequent to ALS, with resulting poor mouth seal, may interfere with the accuracy of VC measurements.
To determine whether different interfaces affect VC measurements in ALS patients and whether the interface yielding the largest VC produces an even higher VC when re-measured after one week (learning effect). To explore the relationship between optimal interface VC and sniff nasal pressure (SNIP), a measurement of global inspiratory muscle strength.
Thirty-five patients (17 bulbar and 18 spinal ALS) were studied. Three interfaces (rigid-cylindrical, flanged, oronasal mask) were tested. One week after the first visit, VC was recorded using the optimal interface. SNIP recordings were also obtained.
In the bulbar ALS group, median (interquartile range) VC with the flanged mouthpiece was 8.4% (3.9–15.5) larger than with the cylindrical mouthpiece (p < 0.001). VC values with oronasal mask were intermediate to VC with the other two interfaces. In spinal ALS, flanged mouthpiece VC was 4.6% (2.3–7.5) larger than with oronasal mask (p < 0.0006). The latter was 4.5% (0.6–5.2) smaller than with the cylindrical mouthpiece (p = 0.002). In both groups, VC during the second visit was greater than during the first visit (p < 0.025). SNIPs were logarithmically related to VC values recorded with the flanged mouthpiece.
A flanged mouthpiece yields the largest values of VC in patients with bulbar and spinal ALS.
•Deterioration of vital capacity (VC) in ALS signifies disease progression.•Weak facial muscles consequent to ALS, with resulting poor mouth seal, interfere with VC measurement.•VC measured with rigid cylindrical, flanged mouthpieces and oronasal mask.•After one week, VC values recorded with a flanged mouthpieces were larger than baseline.•Accurate VC measurement in ALS is best made with flanged mouthpiece.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>33310203</pmid><doi>10.1016/j.rmed.2020.106277</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Amyotrophic lateral sclerosis Disease Experiments Interfaces Multivariate analysis Muscle strength Muscles Non-invasive ventilation Oral interfaces Ostomy Oxygen therapy Patients Reproducibility Respiration Respiratory function Respiratory function test Respiratory muscle weakness Spirometry Ventilation |
title | Measuring vital capacity in amyotrophic lateral sclerosis: Effects of interfaces and reproducibility |
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