{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,19]],"date-time":"2026-09-19T12:14:03Z","timestamp":1789820043579,"version":"4.0.1"},"reference-count":25,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2019,11,29]],"date-time":"2019-11-29T00:00:00Z","timestamp":1574985600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003593","name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","doi-asserted-by":"publisher","award":["312876\/2018\u20101"],"award-info":[{"award-number":["312876\/2018\u20101"]}],"id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003593","name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","doi-asserted-by":"publisher","award":["315580\/2018\u20106"],"award-info":[{"award-number":["315580\/2018\u20106"]}],"id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002322","name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","doi-asserted-by":"publisher","award":["001"],"award-info":[{"award-number":["001"]}],"id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pediatric Pulmonology"],"published-print":{"date-parts":[[2020,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To determine reference values of sniff nasal inspiratory pressure (SNIP) in healthy children.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This cross\u2010sectional observational study included healthy children aged 6 to 11 years of both sexes. The volunteers underwent a pulmonary function test to rule out respiratory disorders. Respiratory muscle strength was measured using maximal inspiratory pressure (MIP) and maximal expiratory pressure (MEP), respectively, with MIP close to functional residual capacity (FRC) and residual volume, while MEP to total lung capacity. SNIP was performed through the nostril contralateral to the occlusion, close to FRC. Two 6\u2010minute walk tests were performed to assess functional exercise capacity.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The sample comprised 121 healthy children (62 girls); 54% presented body mass index (BMI) percentile less than 85th and 46% more than equal to 85th percentile, higher than expected. SNIP values were similar between sexes (91.1\u2009\u00b1\u200921.0\u2009cmH<jats:sub>2<\/jats:sub>O in girls and 87.7\u2009\u00b1\u200919.4\u2009cmH<jats:sub>2<\/jats:sub>O in boys; <jats:italic>P<\/jats:italic>\u2009=\u2009.36) as well as the means of lower limits of normal (56.88\u2009cmH<jats:sub>2<\/jats:sub>O for girls and 56.66\u2009cmH<jats:sub>2<\/jats:sub>O for boys). Girls presented SNIP measurements larger than those of the MIP of FRC (<jats:italic>P<\/jats:italic>\u2009&lt;\u2009.0001), while boys presented similar mean values for both. We found a positive correlation between SNIP and BMI percentile (<jats:italic>r<\/jats:italic>\u2009=\u2009.25, <jats:italic>P<\/jats:italic>\u2009=\u2009.04) in girls, unlike boys, in whom no correlation was observed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>SNIP reference values and mean lower limits of normal were defined for healthy children aged 6 to 11. BMI percentile seems to positively influence the inspiratory muscle strength measured by SNIP in girls only.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ppul.24591","type":"journal-article","created":{"date-parts":[[2019,11,29]],"date-time":"2019-11-29T14:14:17Z","timestamp":1575036857000},"page":"496-502","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Reference values of sniff nasal inspiratory pressure in healthy children"],"prefix":"10.1002","volume":"55","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2616-1174","authenticated-orcid":false,"given":"Ana A.","family":"Marcelino","sequence":"first","affiliation":[{"name":"PneumoCardioVascular Lab Hospital Universit\u00e1rio Onofre Lopes (HUOL), Empresa Brasileira de Servi\u00e7os Hospitalares (EBSERH), Universidade Federal do Rio Grande do Norte Natal Rio Grande do Norte Brazil"},{"name":"Departamento de Fisioterapia, PneumoCardioVascular Lab Universidade Federal do Rio Grande do Norte Natal Rio Grande do Norte Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4938-7018","authenticated-orcid":false,"given":"Guilherme A.","family":"Fregonezi","sequence":"additional","affiliation":[{"name":"PneumoCardioVascular Lab Hospital Universit\u00e1rio Onofre Lopes (HUOL), Empresa Brasileira de Servi\u00e7os Hospitalares (EBSERH), Universidade Federal do Rio Grande do Norte Natal Rio Grande do Norte Brazil"},{"name":"Departamento de Fisioterapia, PneumoCardioVascular Lab Universidade Federal do Rio Grande do Norte Natal Rio Grande do Norte Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9265-9731","authenticated-orcid":false,"given":"Maria G. A.","family":"Lira","sequence":"additional","affiliation":[{"name":"PneumoCardioVascular Lab Hospital Universit\u00e1rio Onofre Lopes (HUOL), Empresa Brasileira de Servi\u00e7os Hospitalares (EBSERH), Universidade Federal do Rio Grande do Norte Natal Rio Grande do Norte Brazil"},{"name":"Departamento de Fisioterapia, PneumoCardioVascular Lab Universidade Federal do Rio Grande do Norte Natal Rio Grande do Norte Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Layana M.","family":"de Oliveira","sequence":"additional","affiliation":[{"name":"PneumoCardioVascular Lab Hospital Universit\u00e1rio Onofre Lopes (HUOL), Empresa Brasileira de Servi\u00e7os Hospitalares (EBSERH), Universidade Federal do Rio Grande do Norte Natal Rio Grande do Norte Brazil"},{"name":"Departamento de Fisioterapia, PneumoCardioVascular Lab Universidade Federal do Rio Grande do Norte Natal Rio Grande do Norte Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Palomma R. S.","family":"Ara\u00fajo","sequence":"additional","affiliation":[{"name":"PneumoCardioVascular Lab Hospital Universit\u00e1rio Onofre Lopes (HUOL), Empresa Brasileira de Servi\u00e7os Hospitalares (EBSERH), Universidade Federal do Rio Grande do Norte Natal Rio Grande do Norte Brazil"},{"name":"Departamento de Fisioterapia, PneumoCardioVascular Lab Universidade Federal do Rio Grande do Norte Natal Rio Grande do Norte Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ver\u00f4nica F.","family":"Parreira","sequence":"additional","affiliation":[{"name":"Escola de Educa\u00e7\u00e3o F\u00edsica, Fisioterapia e Terapia Ocupacional Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Arm\u00e9le D.","family":"de Andrade","sequence":"additional","affiliation":[{"name":"Departamento de Fisioterapia Universidade Federal de Pernambuco Recife Pernambuco 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