{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,10]],"date-time":"2026-05-10T16:32:44Z","timestamp":1778430764236,"version":"3.51.4"},"reference-count":16,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2015,2,24]],"date-time":"2015-02-24T00:00:00Z","timestamp":1424736000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pediatrics International"],"published-print":{"date-parts":[[2015,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Hoarse or asthenic voice is frequently associated with various pediatric cardiac disorders. The aim of this study was to investigate the changes in voice physiology after surgical correction in patients with congenital heart diseases.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We performed voice analysis using induced crying of 40 infants with congenital heart disease (<jats:styled-content style=\"fixed-case\">CHD<\/jats:styled-content>) such as ventricular septal defect (<jats:styled-content style=\"fixed-case\">VSD<\/jats:styled-content>), patent ductus arteriosus (<jats:styled-content style=\"fixed-case\">PDA<\/jats:styled-content>), and atrial septal defect (<jats:styled-content style=\"fixed-case\">ASD<\/jats:styled-content>; 31 girls, 24 boys; mean age, 11 \u00b1 8.9 months). Cries were serially recorded immediately prior to operation, then 1 week, and 1 month after surgical correction, respectively. Acoustic parameters, fundamental frequency (<jats:styled-content style=\"fixed-case\">F<\/jats:styled-content><jats:sub>0<\/jats:sub>), duration of cry, noise to harmonic ratio (<jats:styled-content style=\"fixed-case\">NHR<\/jats:styled-content>), jitter, and shimmer, were extracted using <jats:styled-content style=\"fixed-case\">M<\/jats:styled-content>ulti\u2010<jats:styled-content style=\"fixed-case\">D<\/jats:styled-content>imensional <jats:styled-content style=\"fixed-case\">V<\/jats:styled-content>oice <jats:styled-content style=\"fixed-case\">P<\/jats:styled-content>rogram\u2122 (<jats:styled-content style=\"fixed-case\">MDVP<\/jats:styled-content>) a computerized speech analysis system. Cries were compared with 30 normal healthy infants of corresponding age.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Among the 25 infants with <jats:styled-content style=\"fixed-case\">VSD<\/jats:styled-content>, cry duration, jitter, and shimmer improved after the operation (<jats:italic>P<\/jats:italic> &lt; 0.05). F<jats:sub>0<\/jats:sub> and <jats:styled-content style=\"fixed-case\">NHR<\/jats:styled-content>, however, were not significantly different. <jats:styled-content style=\"fixed-case\">F<\/jats:styled-content><jats:sub>0<\/jats:sub> in patients with <jats:styled-content style=\"fixed-case\">PDA<\/jats:styled-content> improved, but was not statistically significant. The duration of cry, jitter, shimmer, and <jats:styled-content style=\"fixed-case\">NHR<\/jats:styled-content> improved in the <jats:styled-content style=\"fixed-case\">PDA<\/jats:styled-content> group (<jats:italic>P<\/jats:italic> &lt; 0.05). The jitter and shimmer parameters improved significantly (<jats:italic>P<\/jats:italic> &lt; 0.05), but F<jats:sub>0<\/jats:sub>, cry duration, and <jats:styled-content style=\"fixed-case\">NHR<\/jats:styled-content> in patients with <jats:styled-content style=\"fixed-case\">ASD<\/jats:styled-content> did not show any significant changes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Deviated voice patterns in pediatric patients with <jats:styled-content style=\"fixed-case\">CHD<\/jats:styled-content> can normalize after surgical correction. In addition, non\u2010invasive analysis such as <jats:styled-content style=\"fixed-case\">MDVP<\/jats:styled-content> can be used to identify vocal paralysis, even in the early postoperative period.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ped.12551","type":"journal-article","created":{"date-parts":[[2014,12,2]],"date-time":"2014-12-02T10:18:39Z","timestamp":1417515519000},"page":"205-209","source":"Crossref","is-referenced-by-count":1,"title":["Acoustic improvements after surgical correction in congenital heart disease"],"prefix":"10.1111","volume":"57","author":[{"given":"Chan Uhng","family":"Joo","sequence":"first","affiliation":[{"name":"Department of Pediatric Chonbuk National University Medical School  Jeonju Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoon Mi","family":"Choi","sequence":"additional","affiliation":[{"name":"Department of Pediatric Chonbuk National University Medical School  Jeonju Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sun Jun","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Pediatric Chonbuk National University Medical School  Jeonju Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2015,2,24]]},"reference":[{"key":"e_1_2_6_2_1","first-page":"753","article-title":"Recurrenslahmumg bei mitral stenosis","volume":"10","author":"Ortner N","year":"1897","journal-title":"Wien. 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