Ilsa P Santos, Layana Marques, Jessica D M da Fonseca, Mario E Dourado, Matías Otto-Yáñez, Rodrigo Torres-Castro, Francesca Pennati, Andrea Aliverti, Guilherme A F Fregonezi, Vanessa R Resqueti
{"title":"杜氏肌营养不良患者鼻吸入压力(SNIP)的多参数分析:一项健康受试者的病例对照研究","authors":"Ilsa P Santos, Layana Marques, Jessica D M da Fonseca, Mario E Dourado, Matías Otto-Yáñez, Rodrigo Torres-Castro, Francesca Pennati, Andrea Aliverti, Guilherme A F Fregonezi, Vanessa R Resqueti","doi":"10.1002/ppul.71344","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>Individuals with Duchenne Muscular Dystrophy (DMD) exhibit respiratory muscle changes leading to fatigue and weakness, and assessing relaxation rates and contractile properties may help detect early fatigue.</p><p><strong>Aim: </strong>To non-invasively assess inspiratory muscle relaxation and contractile rates using sniff nasal inspiratory pressure (SNIP) parameters in DMD subjects and compare them with matched healthy controls.</p><p><strong>Methods: </strong>A case-control study of 32 DMD male subjects and 32 age-matched healthy controls (12.7 ± 5.1 years). All subjects underwent spirometry, maximal respiratory pressures, and SNIP test. We calculated the maximum relaxation rate (MRR), decay constant (τ), and maximum rate of pressure development (MRPD) from the SNIP curve.</p><p><strong>Results: </strong>The DMD group had significantly lower MRR (5.9 [5.1-6.9] vs. 8 [6.9-10.3] %/ms, p = 0.001), lower MRPD (-0.38 [-0.47 to -0.26] vs. -0.62 [-0.52 to -0.80] cmH<sub>2</sub>O/ms-1, p = 0.001), and higher τ (65.7 [50.7-78.1] vs. 40.5 [30.2-48.7] ms, p = 0.001). ROC curves showed that SNIP parameters effectively distinguish DMD from healthy subjects (SNIP [AUC 0.94, p < 0.001], MRR [AUC 0.86, p < 0.001], τ [AUC 0.92, p < 0.001], and MRPD [AUC 0.89, p < 0.001]).</p><p><strong>Conclusions: </strong>DMD subjects show impaired inspiratory muscle contraction and relaxation, indicating early muscle weakness or fatigue. SNIP-derived parameters may help in the early identification of inspiratory muscle dysfunction in DMD, potentially contributing to clinical detection and intervention.</p>","PeriodicalId":19932,"journal":{"name":"Pediatric Pulmonology","volume":"60 10","pages":"e71344"},"PeriodicalIF":2.3000,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Multiparametric Analysis of Nasal Inspiratory Pressure (SNIP) in Duchenne Muscular Dystrophy: A Case-Control Study With Healthy Subjects.\",\"authors\":\"Ilsa P Santos, Layana Marques, Jessica D M da Fonseca, Mario E Dourado, Matías Otto-Yáñez, Rodrigo Torres-Castro, Francesca Pennati, Andrea Aliverti, Guilherme A F Fregonezi, Vanessa R Resqueti\",\"doi\":\"10.1002/ppul.71344\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background: </strong>Individuals with Duchenne Muscular Dystrophy (DMD) exhibit respiratory muscle changes leading to fatigue and weakness, and assessing relaxation rates and contractile properties may help detect early fatigue.</p><p><strong>Aim: </strong>To non-invasively assess inspiratory muscle relaxation and contractile rates using sniff nasal inspiratory pressure (SNIP) parameters in DMD subjects and compare them with matched healthy controls.</p><p><strong>Methods: </strong>A case-control study of 32 DMD male subjects and 32 age-matched healthy controls (12.7 ± 5.1 years). All subjects underwent spirometry, maximal respiratory pressures, and SNIP test. We calculated the maximum relaxation rate (MRR), decay constant (τ), and maximum rate of pressure development (MRPD) from the SNIP curve.</p><p><strong>Results: </strong>The DMD group had significantly lower MRR (5.9 [5.1-6.9] vs. 8 [6.9-10.3] %/ms, p = 0.001), lower MRPD (-0.38 [-0.47 to -0.26] vs. -0.62 [-0.52 to -0.80] cmH<sub>2</sub>O/ms-1, p = 0.001), and higher τ (65.7 [50.7-78.1] vs. 40.5 [30.2-48.7] ms, p = 0.001). ROC curves showed that SNIP parameters effectively distinguish DMD from healthy subjects (SNIP [AUC 0.94, p < 0.001], MRR [AUC 0.86, p < 0.001], τ [AUC 0.92, p < 0.001], and MRPD [AUC 0.89, p < 0.001]).</p><p><strong>Conclusions: </strong>DMD subjects show impaired inspiratory muscle contraction and relaxation, indicating early muscle weakness or fatigue. SNIP-derived parameters may help in the early identification of inspiratory muscle dysfunction in DMD, potentially contributing to clinical detection and intervention.</p>\",\"PeriodicalId\":19932,\"journal\":{\"name\":\"Pediatric Pulmonology\",\"volume\":\"60 10\",\"pages\":\"e71344\"},\"PeriodicalIF\":2.3000,\"publicationDate\":\"2025-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Pediatric Pulmonology\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.1002/ppul.71344\",\"RegionNum\":3,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"PEDIATRICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Pediatric Pulmonology","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1002/ppul.71344","RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PEDIATRICS","Score":null,"Total":0}
Multiparametric Analysis of Nasal Inspiratory Pressure (SNIP) in Duchenne Muscular Dystrophy: A Case-Control Study With Healthy Subjects.
Background: Individuals with Duchenne Muscular Dystrophy (DMD) exhibit respiratory muscle changes leading to fatigue and weakness, and assessing relaxation rates and contractile properties may help detect early fatigue.
Aim: To non-invasively assess inspiratory muscle relaxation and contractile rates using sniff nasal inspiratory pressure (SNIP) parameters in DMD subjects and compare them with matched healthy controls.
Methods: A case-control study of 32 DMD male subjects and 32 age-matched healthy controls (12.7 ± 5.1 years). All subjects underwent spirometry, maximal respiratory pressures, and SNIP test. We calculated the maximum relaxation rate (MRR), decay constant (τ), and maximum rate of pressure development (MRPD) from the SNIP curve.
Results: The DMD group had significantly lower MRR (5.9 [5.1-6.9] vs. 8 [6.9-10.3] %/ms, p = 0.001), lower MRPD (-0.38 [-0.47 to -0.26] vs. -0.62 [-0.52 to -0.80] cmH2O/ms-1, p = 0.001), and higher τ (65.7 [50.7-78.1] vs. 40.5 [30.2-48.7] ms, p = 0.001). ROC curves showed that SNIP parameters effectively distinguish DMD from healthy subjects (SNIP [AUC 0.94, p < 0.001], MRR [AUC 0.86, p < 0.001], τ [AUC 0.92, p < 0.001], and MRPD [AUC 0.89, p < 0.001]).
Conclusions: DMD subjects show impaired inspiratory muscle contraction and relaxation, indicating early muscle weakness or fatigue. SNIP-derived parameters may help in the early identification of inspiratory muscle dysfunction in DMD, potentially contributing to clinical detection and intervention.
期刊介绍:
Pediatric Pulmonology (PPUL) is the foremost global journal studying the respiratory system in disease and in health as it develops from intrauterine life though adolescence to adulthood. Combining explicit and informative analysis of clinical as well as basic scientific research, PPUL provides a look at the many facets of respiratory system disorders in infants and children, ranging from pathological anatomy, developmental issues, and pathophysiology to infectious disease, asthma, cystic fibrosis, and airborne toxins. Focused attention is given to the reporting of diagnostic and therapeutic methods for neonates, preschool children, and adolescents, the enduring effects of childhood respiratory diseases, and newly described infectious diseases.
PPUL concentrates on subject matters of crucial interest to specialists preparing for the Pediatric Subspecialty Examinations in the United States and other countries. With its attentive coverage and extensive clinical data, this journal is a principle source for pediatricians in practice and in training and a must have for all pediatric pulmonologists.