Can Concomitant Restriction Be Detected in Adult Men with Airflow Obstruction?
A reduction in lung volume is used to diagnose physiologic restriction in the pulmonary function tests of patients with lung disease. Airflow obstruction is commonly associated with hyperinflation of static lung volume. Because restriction and obstruction exert opposite effects on lung volumes, we q...
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| Veröffentlicht in: | Chest 1991-04, Vol.99 (4), p.826-830 |
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| creator | Lanier, Randall C. Olsen, Gerald N. |
| description | A reduction in lung volume is used to diagnose physiologic restriction in the pulmonary function tests of patients with lung disease. Airflow obstruction is commonly associated with hyperinflation of static lung volume. Because restriction and obstruction exert opposite effects on lung volumes, we questioned whether the lack of hyperinflation of static lung volumes could indicate the presence of concomitant restriction in patients with airflow obstructive ventilatory defects. To assess this, we evaluated by pulmonary function tests and chest roentgenograms of 58 patients with airflow obstruction (group 1), 18 of whom then sustained various types of resection for lung cancer (group 2) as a type of superimposed restriction. We selected 80 percent of predicted as the lower limit of “normal” frequently used by clinical pulmonary function laboratories. Despite a statistically significant decrease in total lung capacity (p |
| doi_str_mv | 10.1378/chest.99.4.826 |
| format | Article |
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Airflow obstruction is commonly associated with hyperinflation of static lung volume. Because restriction and obstruction exert opposite effects on lung volumes, we questioned whether the lack of hyperinflation of static lung volumes could indicate the presence of concomitant restriction in patients with airflow obstructive ventilatory defects. To assess this, we evaluated by pulmonary function tests and chest roentgenograms of 58 patients with airflow obstruction (group 1), 18 of whom then sustained various types of resection for lung cancer (group 2) as a type of superimposed restriction. We selected 80 percent of predicted as the lower limit of “normal” frequently used by clinical pulmonary function laboratories. Despite a statistically significant decrease in total lung capacity (p<0.05) for the postpneumonectomy patients, when the static lung volume measurements of the patients with resection were evaluated, no one lung volume showed a consistent reduction sufficient to detect the superimposed restriction in all these patients. Using 80 percent of predicted as “normal,” 61 percent of our patients with airflow obstruction and superimposed restriction would have been missed. We conclude that it is clinically difficult, based on only static lung volume measurements alone, to detect restriction superimposed on the hyperinflation of airflow obstruction unless these lung volumes are reduced to below accepted “normal” limits.</description><identifier>ISSN: 0012-3692</identifier><identifier>EISSN: 1931-3543</identifier><identifier>DOI: 10.1378/chest.99.4.826</identifier><identifier>PMID: 2009782</identifier><identifier>CODEN: CHETBF</identifier><language>eng</language><publisher>Northbrook, IL: Elsevier Inc</publisher><subject>Aged ; Biological and medical sciences ; Constriction, Pathologic - diagnosis ; Humans ; Investigative techniques of respiratory function ; Investigative techniques, diagnostic techniques (general aspects) ; Lung Diseases - diagnosis ; Lung Diseases, Obstructive - diagnosis ; Lung Neoplasms - diagnosis ; Lung Neoplasms - surgery ; Lung Volume Measurements ; Male ; Medical sciences ; Middle Aged ; Reference Values</subject><ispartof>Chest, 1991-04, Vol.99 (4), p.826-830</ispartof><rights>1991 The American College of Chest Physicians</rights><rights>1993 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c277t-35eea2124a042ee81fb7e0e04797455c6e2c13cc3c25fbb3be75b0ca2689d5243</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4470282$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/2009782$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lanier, Randall C.</creatorcontrib><creatorcontrib>Olsen, Gerald N.</creatorcontrib><title>Can Concomitant Restriction Be Detected in Adult Men with Airflow Obstruction?</title><title>Chest</title><addtitle>Chest</addtitle><description>A reduction in lung volume is used to diagnose physiologic restriction in the pulmonary function tests of patients with lung disease. Airflow obstruction is commonly associated with hyperinflation of static lung volume. Because restriction and obstruction exert opposite effects on lung volumes, we questioned whether the lack of hyperinflation of static lung volumes could indicate the presence of concomitant restriction in patients with airflow obstructive ventilatory defects. To assess this, we evaluated by pulmonary function tests and chest roentgenograms of 58 patients with airflow obstruction (group 1), 18 of whom then sustained various types of resection for lung cancer (group 2) as a type of superimposed restriction. We selected 80 percent of predicted as the lower limit of “normal” frequently used by clinical pulmonary function laboratories. Despite a statistically significant decrease in total lung capacity (p<0.05) for the postpneumonectomy patients, when the static lung volume measurements of the patients with resection were evaluated, no one lung volume showed a consistent reduction sufficient to detect the superimposed restriction in all these patients. Using 80 percent of predicted as “normal,” 61 percent of our patients with airflow obstruction and superimposed restriction would have been missed. We conclude that it is clinically difficult, based on only static lung volume measurements alone, to detect restriction superimposed on the hyperinflation of airflow obstruction unless these lung volumes are reduced to below accepted “normal” limits.</description><subject>Aged</subject><subject>Biological and medical sciences</subject><subject>Constriction, Pathologic - diagnosis</subject><subject>Humans</subject><subject>Investigative techniques of respiratory function</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Lung Diseases - diagnosis</subject><subject>Lung Diseases, Obstructive - diagnosis</subject><subject>Lung Neoplasms - diagnosis</subject><subject>Lung Neoplasms - surgery</subject><subject>Lung Volume Measurements</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Reference Values</subject><issn>0012-3692</issn><issn>1931-3543</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kM2L1DAYh4Mo67h69SbkIN6m5qtNc5LZ8RNWF0TPIU3fOlnSZE1SB_9740xZvHgK4f198SD0nJKGctm_tgfIpVGqEU3PugdoQxWnW94K_hBtCKFsyzvFHqMnOd-S-qequ0AXjBAle7ZBX_Ym4H0MNs6umFDw1xqXnC0uBnwF-C0UsAVG7ALejYsv-DMEfHTlgHcuTT4e8c1QHcvJ8eYpejQZn-HZ-l6i7-_ffdt_3F7ffPi0311vLZOy1HkAhlEmDBEMoKfTIIEAEVJJ0ba2A2Ypt5Zb1k7DwAeQ7UCsYV2vxpYJfolenXPvUvy51Ml6dtmC9yZAXLLuiagYur4Km7PQpphzgknfJTeb9FtTov8C1CeAWiktdAVYDS_W5GWYYbyXr8Tq_eV6N9kaPyUTrMv3MiEkYSfZ2ntwPw5Hl0Dn2XhfQ_m58TYuKRj_T29_NkDF9stB0tk6CBbGarZFj9H9b_IfuMyddw</recordid><startdate>199104</startdate><enddate>199104</enddate><creator>Lanier, Randall C.</creator><creator>Olsen, Gerald N.</creator><general>Elsevier Inc</general><general>American College of Chest Physicians</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>199104</creationdate><title>Can Concomitant Restriction Be Detected in Adult Men with Airflow Obstruction?</title><author>Lanier, Randall C. ; Olsen, Gerald N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c277t-35eea2124a042ee81fb7e0e04797455c6e2c13cc3c25fbb3be75b0ca2689d5243</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>Aged</topic><topic>Biological and medical sciences</topic><topic>Constriction, Pathologic - diagnosis</topic><topic>Humans</topic><topic>Investigative techniques of respiratory function</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Lung Diseases - diagnosis</topic><topic>Lung Diseases, Obstructive - diagnosis</topic><topic>Lung Neoplasms - diagnosis</topic><topic>Lung Neoplasms - surgery</topic><topic>Lung Volume Measurements</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Reference Values</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lanier, Randall C.</creatorcontrib><creatorcontrib>Olsen, Gerald N.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Chest</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lanier, Randall C.</au><au>Olsen, Gerald N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Can Concomitant Restriction Be Detected in Adult Men with Airflow Obstruction?</atitle><jtitle>Chest</jtitle><addtitle>Chest</addtitle><date>1991-04</date><risdate>1991</risdate><volume>99</volume><issue>4</issue><spage>826</spage><epage>830</epage><pages>826-830</pages><issn>0012-3692</issn><eissn>1931-3543</eissn><coden>CHETBF</coden><abstract>A reduction in lung volume is used to diagnose physiologic restriction in the pulmonary function tests of patients with lung disease. Airflow obstruction is commonly associated with hyperinflation of static lung volume. Because restriction and obstruction exert opposite effects on lung volumes, we questioned whether the lack of hyperinflation of static lung volumes could indicate the presence of concomitant restriction in patients with airflow obstructive ventilatory defects. To assess this, we evaluated by pulmonary function tests and chest roentgenograms of 58 patients with airflow obstruction (group 1), 18 of whom then sustained various types of resection for lung cancer (group 2) as a type of superimposed restriction. We selected 80 percent of predicted as the lower limit of “normal” frequently used by clinical pulmonary function laboratories. Despite a statistically significant decrease in total lung capacity (p<0.05) for the postpneumonectomy patients, when the static lung volume measurements of the patients with resection were evaluated, no one lung volume showed a consistent reduction sufficient to detect the superimposed restriction in all these patients. Using 80 percent of predicted as “normal,” 61 percent of our patients with airflow obstruction and superimposed restriction would have been missed. We conclude that it is clinically difficult, based on only static lung volume measurements alone, to detect restriction superimposed on the hyperinflation of airflow obstruction unless these lung volumes are reduced to below accepted “normal” limits.</abstract><cop>Northbrook, IL</cop><pub>Elsevier Inc</pub><pmid>2009782</pmid><doi>10.1378/chest.99.4.826</doi><tpages>5</tpages></addata></record> |
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| subjects | Aged Biological and medical sciences Constriction, Pathologic - diagnosis Humans Investigative techniques of respiratory function Investigative techniques, diagnostic techniques (general aspects) Lung Diseases - diagnosis Lung Diseases, Obstructive - diagnosis Lung Neoplasms - diagnosis Lung Neoplasms - surgery Lung Volume Measurements Male Medical sciences Middle Aged Reference Values |
| title | Can Concomitant Restriction Be Detected in Adult Men with Airflow Obstruction? |
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