Reference values for airway resistance in newborns, infants and preschoolers from a Latin American population
ABSTRACT Background and objective: Several studies have determined reference values for airway resistance measured by the interrupter technique (Rint) in paediatric populations, but only one has been done on Latin American children, and no studies have been performed on Mexican children. Moreover,...
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| Veröffentlicht in: | Respirology (Carlton, Vic.) Vic.), 2012-05, Vol.17 (4), p.667-673 |
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| creator | GOCHICOA, LAURA G. THOMÉ-ORTIZ, LAURA P. FURUYA, MARÍA E. Y. CANTO, RAQUEL RUIZ-GARCÍA, MARTHA E. ZÚÑIGA-VÁZQUEZ, GUILLERMO MARTÍNEZ-RAMÍREZ, FILIBERTO VARGAS, MARIO H. |
| description | ABSTRACT
Background and objective: Several studies have determined reference values for airway resistance measured by the interrupter technique (Rint) in paediatric populations, but only one has been done on Latin American children, and no studies have been performed on Mexican children. Moreover, these previous studies mostly included children aged 3 years and older; therefore, information regarding Rint reference values for newborns and infants is scarce.
Methods: Rint measurements were performed on preschool children attending eight kindergartens (Group 1) and also on sedated newborns, infants and preschool children admitted to a tertiary‐level paediatric hospital due to non‐cardiopulmonary disorders (Group 2).
Results: In both groups, Rint values were inversely associated with age, weight and height, but the strongest association was with height. The linear regression equation for Group 1 (n = 209, height 86–129 cm) was Rint = 2.153 − 0.012 × height (cm) (standard deviation of residuals 0.181 kPa/L/s). The linear regression equation for Group 2 (n = 55, height 52–113 cm) was Rint = 4.575 − 0.035 × height (cm) (standard deviation of residuals 0.567 kPa/L/s). Girls tended to have slightly higher Rint values than boys, a difference that diminished with increasing height.
Conclusions: In this study, Rint reference values applicable to Mexican children were determined, and these values are probably also applicable to other paediatric populations with similar Spanish‐Amerindian ancestries. There was an inverse relationship between Rint and height, with relatively large between‐subject variability.
There are no reference values for airway resistance measured by the interrupter technique (Rint) in Latin American newborns, infants and preschoolers. In this study of 264 children aged 24 days to 6.6 years, reference values for Rint applicable to Mexican children and those from other Latin American countries were determined. |
| doi_str_mv | 10.1111/j.1440-1843.2012.02156.x |
| format | Article |
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Background and objective: Several studies have determined reference values for airway resistance measured by the interrupter technique (Rint) in paediatric populations, but only one has been done on Latin American children, and no studies have been performed on Mexican children. Moreover, these previous studies mostly included children aged 3 years and older; therefore, information regarding Rint reference values for newborns and infants is scarce.
Methods: Rint measurements were performed on preschool children attending eight kindergartens (Group 1) and also on sedated newborns, infants and preschool children admitted to a tertiary‐level paediatric hospital due to non‐cardiopulmonary disorders (Group 2).
Results: In both groups, Rint values were inversely associated with age, weight and height, but the strongest association was with height. The linear regression equation for Group 1 (n = 209, height 86–129 cm) was Rint = 2.153 − 0.012 × height (cm) (standard deviation of residuals 0.181 kPa/L/s). The linear regression equation for Group 2 (n = 55, height 52–113 cm) was Rint = 4.575 − 0.035 × height (cm) (standard deviation of residuals 0.567 kPa/L/s). Girls tended to have slightly higher Rint values than boys, a difference that diminished with increasing height.
Conclusions: In this study, Rint reference values applicable to Mexican children were determined, and these values are probably also applicable to other paediatric populations with similar Spanish‐Amerindian ancestries. There was an inverse relationship between Rint and height, with relatively large between‐subject variability.
There are no reference values for airway resistance measured by the interrupter technique (Rint) in Latin American newborns, infants and preschoolers. In this study of 264 children aged 24 days to 6.6 years, reference values for Rint applicable to Mexican children and those from other Latin American countries were determined.</description><identifier>ISSN: 1323-7799</identifier><identifier>EISSN: 1440-1843</identifier><identifier>DOI: 10.1111/j.1440-1843.2012.02156.x</identifier><identifier>PMID: 22372678</identifier><language>eng</language><publisher>Melbourne, Australia: Blackwell Publishing Asia</publisher><subject>Airway Resistance - physiology ; Child ; Child, Preschool ; Cross-Sectional Studies ; ethnicity ; Female ; Humans ; Infant ; Infant, Newborn ; Linear Models ; lung function ; Male ; Mexico ; predicted value ; Prospective Studies ; pulmonary function test ; Reference Values ; Respiratory Function Tests - methods ; Respiratory Function Tests - standards ; Rint technique</subject><ispartof>Respirology (Carlton, Vic.), 2012-05, Vol.17 (4), p.667-673</ispartof><rights>2012 The Authors. Respirology © 2012 Asian Pacific Society of Respirology</rights><rights>2012 The Authors. Respirology © 2012 Asian Pacific Society of Respirology.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4086-829861dcedc958b31449143a90655aab6f4fe3276c334beab9bac7d4654a5a893</citedby><cites>FETCH-LOGICAL-c4086-829861dcedc958b31449143a90655aab6f4fe3276c334beab9bac7d4654a5a893</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1440-1843.2012.02156.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1440-1843.2012.02156.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22372678$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>GOCHICOA, LAURA G.</creatorcontrib><creatorcontrib>THOMÉ-ORTIZ, LAURA P.</creatorcontrib><creatorcontrib>FURUYA, MARÍA E. Y.</creatorcontrib><creatorcontrib>CANTO, RAQUEL</creatorcontrib><creatorcontrib>RUIZ-GARCÍA, MARTHA E.</creatorcontrib><creatorcontrib>ZÚÑIGA-VÁZQUEZ, GUILLERMO</creatorcontrib><creatorcontrib>MARTÍNEZ-RAMÍREZ, FILIBERTO</creatorcontrib><creatorcontrib>VARGAS, MARIO H.</creatorcontrib><title>Reference values for airway resistance in newborns, infants and preschoolers from a Latin American population</title><title>Respirology (Carlton, Vic.)</title><addtitle>Respirology</addtitle><description>ABSTRACT
Background and objective: Several studies have determined reference values for airway resistance measured by the interrupter technique (Rint) in paediatric populations, but only one has been done on Latin American children, and no studies have been performed on Mexican children. Moreover, these previous studies mostly included children aged 3 years and older; therefore, information regarding Rint reference values for newborns and infants is scarce.
Methods: Rint measurements were performed on preschool children attending eight kindergartens (Group 1) and also on sedated newborns, infants and preschool children admitted to a tertiary‐level paediatric hospital due to non‐cardiopulmonary disorders (Group 2).
Results: In both groups, Rint values were inversely associated with age, weight and height, but the strongest association was with height. The linear regression equation for Group 1 (n = 209, height 86–129 cm) was Rint = 2.153 − 0.012 × height (cm) (standard deviation of residuals 0.181 kPa/L/s). The linear regression equation for Group 2 (n = 55, height 52–113 cm) was Rint = 4.575 − 0.035 × height (cm) (standard deviation of residuals 0.567 kPa/L/s). Girls tended to have slightly higher Rint values than boys, a difference that diminished with increasing height.
Conclusions: In this study, Rint reference values applicable to Mexican children were determined, and these values are probably also applicable to other paediatric populations with similar Spanish‐Amerindian ancestries. There was an inverse relationship between Rint and height, with relatively large between‐subject variability.
There are no reference values for airway resistance measured by the interrupter technique (Rint) in Latin American newborns, infants and preschoolers. In this study of 264 children aged 24 days to 6.6 years, reference values for Rint applicable to Mexican children and those from other Latin American countries were determined.</description><subject>Airway Resistance - physiology</subject><subject>Child</subject><subject>Child, Preschool</subject><subject>Cross-Sectional Studies</subject><subject>ethnicity</subject><subject>Female</subject><subject>Humans</subject><subject>Infant</subject><subject>Infant, Newborn</subject><subject>Linear Models</subject><subject>lung function</subject><subject>Male</subject><subject>Mexico</subject><subject>predicted value</subject><subject>Prospective Studies</subject><subject>pulmonary function test</subject><subject>Reference Values</subject><subject>Respiratory Function Tests - methods</subject><subject>Respiratory Function Tests - standards</subject><subject>Rint technique</subject><issn>1323-7799</issn><issn>1440-1843</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkUtv1DAUhS0EoqXwF5CXLEjwI35kg1RVZUAaQVWKWFo3zo3IkMTBnmFm_j0OU2aNN772_c6x7jEhlLOS5_VuU_KqYgW3lSwF46JkgitdHp6Qy3Pjaa6lkIUxdX1BXqS0YYxJxdRzciGENEIbe0nGe-ww4uSR_oZhh4l2IVLo4x6ONGLq0xaWZj_RCfdNiFN6mw8dTNtEYWrpnCH_I4QBY9bGMFKga9hm_nrE2HuY6Bzm3ZCvwvSSPOtgSPjqcb8i3z7cPtx8LNZfVp9urteFr5jVhRW11bz12Ppa2UbmmWpeSaiZVgqg0V3VoRRGeymrBqGpG_CmrbSqQIGt5RV5c_KdY_iVh9q6sU8ehwEmDLvkOGPWCmWMzKg9oT6GlCJ2bo79CPGYIbeE7TZuydQtmbolbPc3bHfI0tePr-yaEduz8F-6GXh_Avb9gMf_Nnb3t1_vljIbFCeD_A14OBtA_Om0kUa5759XTmnG6zv94FbyDyNQndw</recordid><startdate>201205</startdate><enddate>201205</enddate><creator>GOCHICOA, LAURA G.</creator><creator>THOMÉ-ORTIZ, LAURA P.</creator><creator>FURUYA, MARÍA E. Y.</creator><creator>CANTO, RAQUEL</creator><creator>RUIZ-GARCÍA, MARTHA E.</creator><creator>ZÚÑIGA-VÁZQUEZ, GUILLERMO</creator><creator>MARTÍNEZ-RAMÍREZ, FILIBERTO</creator><creator>VARGAS, MARIO H.</creator><general>Blackwell Publishing Asia</general><scope>BSCLL</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>201205</creationdate><title>Reference values for airway resistance in newborns, infants and preschoolers from a Latin American population</title><author>GOCHICOA, LAURA G. ; THOMÉ-ORTIZ, LAURA P. ; FURUYA, MARÍA E. Y. ; CANTO, RAQUEL ; RUIZ-GARCÍA, MARTHA E. ; ZÚÑIGA-VÁZQUEZ, GUILLERMO ; MARTÍNEZ-RAMÍREZ, FILIBERTO ; VARGAS, MARIO H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4086-829861dcedc958b31449143a90655aab6f4fe3276c334beab9bac7d4654a5a893</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Airway Resistance - physiology</topic><topic>Child</topic><topic>Child, Preschool</topic><topic>Cross-Sectional Studies</topic><topic>ethnicity</topic><topic>Female</topic><topic>Humans</topic><topic>Infant</topic><topic>Infant, Newborn</topic><topic>Linear Models</topic><topic>lung function</topic><topic>Male</topic><topic>Mexico</topic><topic>predicted value</topic><topic>Prospective Studies</topic><topic>pulmonary function test</topic><topic>Reference Values</topic><topic>Respiratory Function Tests - methods</topic><topic>Respiratory Function Tests - standards</topic><topic>Rint technique</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>GOCHICOA, LAURA G.</creatorcontrib><creatorcontrib>THOMÉ-ORTIZ, LAURA P.</creatorcontrib><creatorcontrib>FURUYA, MARÍA E. Y.</creatorcontrib><creatorcontrib>CANTO, RAQUEL</creatorcontrib><creatorcontrib>RUIZ-GARCÍA, MARTHA E.</creatorcontrib><creatorcontrib>ZÚÑIGA-VÁZQUEZ, GUILLERMO</creatorcontrib><creatorcontrib>MARTÍNEZ-RAMÍREZ, FILIBERTO</creatorcontrib><creatorcontrib>VARGAS, MARIO H.</creatorcontrib><collection>Istex</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>Respirology (Carlton, Vic.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>GOCHICOA, LAURA G.</au><au>THOMÉ-ORTIZ, LAURA P.</au><au>FURUYA, MARÍA E. Y.</au><au>CANTO, RAQUEL</au><au>RUIZ-GARCÍA, MARTHA E.</au><au>ZÚÑIGA-VÁZQUEZ, GUILLERMO</au><au>MARTÍNEZ-RAMÍREZ, FILIBERTO</au><au>VARGAS, MARIO H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reference values for airway resistance in newborns, infants and preschoolers from a Latin American population</atitle><jtitle>Respirology (Carlton, Vic.)</jtitle><addtitle>Respirology</addtitle><date>2012-05</date><risdate>2012</risdate><volume>17</volume><issue>4</issue><spage>667</spage><epage>673</epage><pages>667-673</pages><issn>1323-7799</issn><eissn>1440-1843</eissn><abstract>ABSTRACT
Background and objective: Several studies have determined reference values for airway resistance measured by the interrupter technique (Rint) in paediatric populations, but only one has been done on Latin American children, and no studies have been performed on Mexican children. Moreover, these previous studies mostly included children aged 3 years and older; therefore, information regarding Rint reference values for newborns and infants is scarce.
Methods: Rint measurements were performed on preschool children attending eight kindergartens (Group 1) and also on sedated newborns, infants and preschool children admitted to a tertiary‐level paediatric hospital due to non‐cardiopulmonary disorders (Group 2).
Results: In both groups, Rint values were inversely associated with age, weight and height, but the strongest association was with height. The linear regression equation for Group 1 (n = 209, height 86–129 cm) was Rint = 2.153 − 0.012 × height (cm) (standard deviation of residuals 0.181 kPa/L/s). The linear regression equation for Group 2 (n = 55, height 52–113 cm) was Rint = 4.575 − 0.035 × height (cm) (standard deviation of residuals 0.567 kPa/L/s). Girls tended to have slightly higher Rint values than boys, a difference that diminished with increasing height.
Conclusions: In this study, Rint reference values applicable to Mexican children were determined, and these values are probably also applicable to other paediatric populations with similar Spanish‐Amerindian ancestries. There was an inverse relationship between Rint and height, with relatively large between‐subject variability.
There are no reference values for airway resistance measured by the interrupter technique (Rint) in Latin American newborns, infants and preschoolers. In this study of 264 children aged 24 days to 6.6 years, reference values for Rint applicable to Mexican children and those from other Latin American countries were determined.</abstract><cop>Melbourne, Australia</cop><pub>Blackwell Publishing Asia</pub><pmid>22372678</pmid><doi>10.1111/j.1440-1843.2012.02156.x</doi><tpages>7</tpages></addata></record> |
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| subjects | Airway Resistance - physiology Child Child, Preschool Cross-Sectional Studies ethnicity Female Humans Infant Infant, Newborn Linear Models lung function Male Mexico predicted value Prospective Studies pulmonary function test Reference Values Respiratory Function Tests - methods Respiratory Function Tests - standards Rint technique |
| title | Reference values for airway resistance in newborns, infants and preschoolers from a Latin American population |
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