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Dive into the research topics where Anke Luyten is active.

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Featured researches published by Anke Luyten.


International Journal of Oral and Maxillofacial Surgery | 2012

Parent and child ratings of satisfaction with speech and facial appearance in Flemish pre-pubescent boys and girls with unilateral cleft lip and palate

K. Van Lierde; Evelien D'haeseleer; Anke Luyten; K. Van De Woestijne; Hubert Vermeersch; Nathalie Roche

The purpose of this controlled study is to determine satisfaction with speech and facial appearance in Flemish pre-pubescent children with unilateral cleft lip and palate. Forty-three subjects with unilateral cleft lip and palate and 43 age and gender matched controls participated in this study. The Cleft Evaluation Profile was used to assess the perceived satisfaction for individual features related to cleft care. Both the cleft palate subjects and their parents were satisfied with the speech and facial appearance. The Pearson χ(2) test revealed significant difference between the cleft palate and the control group regarding hearing, nasal aesthetics and function, and the appearance of the lip. An in depth analysis of well specified speech characteristics revealed that children with clefts and their parents significantly more often reported the presence of an articulation, voice and resonance disorder and experienced /s/ /r/ /t/ and /d/ as the most difficult consonants. To what extent the incorporation of specific motor oriented oral speech techniques regarding the realisation of specific consonants, attention to vocal and ear care, and the recommendation of secondary velopharyngeal surgery, with the incorporation of primary correction of the cleft nose deformity simultaneously with primary lip closure, will aid these patients are future research subjects.


Folia Phoniatrica Et Logopaedica | 2012

Normative Nasalance Data in Ugandan English-Speaking Children

Anke Luyten; Evelien D’haeseleer; Andrew Hodges; George Galiwango; T. Budolfsen; Hubert Vermeersch; K. Van Lierde

Aims: The aim of this study was to obtain normative nasalance values for typically developing Ugandan English-speaking children as a reference point for clinical practice and further research. Methods: Sixty-nine typically developing Ugandan children (35 males and 34 females, 2.7–13.5 years of age) participated in the study. Nasalance scores were obtained with the Nasometer while children repeated 4 sustained sounds, 14 repeated syllables, 15 sentences (12 oral, 3 nasal) and 2 texts (‘Rainbow Passage’ and ‘Zoo Passage’). Data were analyzed for gender and age dependence. Results: No significant effects of age or gender on nasalance values were obtained; hence, normative values for the overall group were reported. The average nasalance scores for Ugandan English-speaking children were 17 and 64% for the oral and nasal sentences and 33 and 14% for the oronasal and oral text, respectively. Conclusion: The normative values are important as a reference point to assess the impact of several surgical procedures and several surgical timing strategies on speech in Uganda.


Folia Phoniatrica Et Logopaedica | 2012

Impact of tongue reduction on overall speech intelligibility, articulation and oromyofunctional behavior in 4 children with Beckwith-Wiedemann syndrome.

K. Van Lierde; George Galiwango; Andrew Hodges; Kim Bettens; Anke Luyten; Hubert Vermeersch

Objective: The purpose of this study was to determine the impact of partial glossectomy (using the keyhole technique) on speech intelligibility, articulation, resonance and oromyofunctional behavior. Patients and Methods: A partial glossectomy was performed in 4 children with Beckwith- Wiedemann syndrome between the ages of 0.5 and 3.1 years. An ENT assessment, a phonetic inventory, a phonemic and phonological analysis and a consensus perceptual evaluation of speech intelligibility, resonance and oromyofunctional behavior were performed. Results: It was not possible in this study to separate the effects of the surgery from the typical developmental progress of speech sound mastery. Improved speech intelligibility, a more complete phonetic inventory, an increase in phonological skills, normal resonance and increased motor-oriented oral behavior were found in the postsurgical condition. The presence of phonetic distortions, lip incompetence and interdental tongue position were still present in the postsurgical condition. Conclusion: Speech therapy should be focused on correct phonetic placement and a motor-oriented approach to increase lip competence, and on functional tongue exercises and tongue lifting during the production of alveolars. Detailed analyses in a larger number of subjects with and without Beckwith-Wiedemann syndrome may help further illustrate the long-term impact of partial glossectomy.


International Journal of Oral and Maxillofacial Surgery | 2010

Speech intelligibility of children with unilateral cleft lip and palate (Dutch cleft) following a one-stage Wardill–Kilner palatoplasty, as judged by their parents

K. Van Lierde; Anke Luyten; J. van Borsel; Nele Baudonck; T. Debusschere; Hubert Vermeersch; Katrien Bonte

This study determined the intelligibility (words, sentences and story telling) of 43 children (mean age 4.9 years) with unilateral cleft lip and palate who received a Wardill-Kilner palatoplasty, as judged by their parents and determined the influence of age and gender. A comparison with normative data for intelligibility of 163 Dutch speaking children was made. Each child and the parents completed The Dutch intelligibility test. Measures reported include group mean intelligibility percentages for words, sentences and story telling for children aged 2.5-5.0 and 5.0-7.6 years. A significant correlation between age of the children and intelligibility was measured. No significant gender-related differences were found. An interesting finding is the absence of significant difference in intelligibility percentage between the children with cleft palate and the normative data for story telling. The reported intelligibility percentages provide important prognostic reference information for surgeons who perform palatoplasty and speech pathologists who assess the speech production of children with cleft palate.


International Journal of Pediatric Otorhinolaryngology | 2014

Oral strength in subjects with a unilateral cleft lip and palate

Kristiane Van Lierde; Kim Bettens; Anke Luyten; Janne Plettinck; Katrien Bonte; Hubert Vermeersch; Nathalie Roche

PURPOSE Facial appearance and speech outcome may affect psychosocial functioning in girls and boys. Several studies reported dissatisfaction with facial appearance and more specifically the lip and mouth profile in children with cleft lip and palate (CLP). The purpose of this controlled study was to measure the tongue and lip strength and endurance in boys and girls with CLP. METHODS Twenty-five subjects (mean age: 10.6 years) with a unilateral CLP and a gender- and age- matched control group were selected. All subjects with an unilateral CLP consulted the same craniofacial team and had undergone an identical surgical procedure. Surgical procedure of the lip was performed using a modified Millard technique without primary nose correction at an average age of 5.5 months. The Iowa Oral Performance instrument was used to measure lip and tongue strength and tongue endurance. RESULTS The results of the Iowa Oral Performance measurement showed no significant differences between the subjects with an unilateral cleft lip and palate and the age and gender matched control group without a cleft lip and palate. CONCLUSION There is no significant differences regarding oral strength more specifically the lip and tongue strength and endurance between subjects with and without an unilateral cleft lip and palate. ENT specialists and speech pathologists must be aware of this aspect of the normal lip and tongue functions.


International Journal of Language & Communication Disorders | 2014

Language development of children born following intracytoplasmic sperm injection (ICSI) combined with assisted oocyte activation (AOA)

Evelien D'haeseleer; Frauke Vanden Meerschaut; Kim Bettens; Anke Luyten; Hannelore Gysels; Ylenia Thienpont; Griet De Witte; Björn Heindryckx; Ann Oostra; Herbert Roeyers; Petra De Sutter; Kristiane Van Lierde

BACKGROUND The effect of assisted reproduction technology (ART) on language development is still unclear. Moreover, different techniques are introduced at rapid pace and are not always accompanied by extensive follow-up programmes. AIMS To investigate the language development of 3-10-year-old children born following ART using intracytoplasmic sperm injection (ICSI) combined with assisted oocyte activation (AOA), which is a highly specialized technique applied in cases with a history of fertilization failure following conventional ICSI. Secondly, a comparison is made between the language development of singletons and twins. METHODS & PROCEDURES Twenty children, six boys and 14 girls, born following ICSI combined with AOA and older than 3 years were included in the study. The mean age of the children was 5;4 years (range = 3;1-10;4 years; SD = 1;8 years). Expressive and receptive language development were assessed using the Clinical Evaluation of Language Fundamentals (CELF-IV-NL) for children older than 5 years and the Reynell Developmental Language Scales (RTOS) for children younger than or equal to 5 years. OUTCOMES & RESULTS The mean total score for language ability (in percentiles) was 56.8 (SD = 33.6), which corresponds to normal language skills. Significantly higher scores were found for AOA singletons compared with twins. For the general language, none of the children scored within the clinical zone for language disability corresponding with a percentile lower than 5. CONCLUSION & IMPLICATIONS This study presents the first data concerning language outcome in 3-10-year-old children born following AOA. General language scores of the AOA children in this study are located within the normal ranges. The language development of singletons was significantly better compared with twins. Although the results are reassuring for language development, in future long-term follow-up studies in this population are necessary.


The Cleft Palate-Craniofacial Journal | 2016

The Nasality Severity Index 2.0: Revision of an Objective Multiparametric Approach to Hypernasality.

Kim Bettens; Kristiane Van Lierde; Anke Luyten; Floris L. Wuyts

Objective Due to the multidimensional nature of resonance disorders, multivariate diagnostic assessment is advisable. The nasality severity index (NSI) is based on this point of view. Because of the influence of personal and environmental variables on the current NSI, this study aims to refine this index. Design Prospective case-control study. Setting Tertiary university hospital. Patients Forty-two patients with cleft lip and palate and 50 children without resonance disorders were tested. Interventions Resonance was investigated by perceptual as well as objective measurements. A Nasometer was used to score nasalance, and spectral speech characteristics of a sustained sound /i:/ were determined, among which the voice low tone to high tone ratio (VLHR). Binary logistic regression analysis was performed to calculate the optimal index to discriminate patients from control children. Additionally, the validity of the index was determined based on data from an independent patient and control group. Results The NSI 2.0, a weighted linear combination of three variables, can be obtained using the equation NSI 2.0 = 13.20 - (.0824 x nasalance /u:/ [%]) - (.260 x nasalance oral text [%]) - (.242 x VLHR 4.47*F0 [dB]). The NSI has a sensitivity of 92% and a specificity of 100%. Moreover, it has excellent validity (sensitivity 88%, specificity 89%). Conclusions The NSI 2.0 discriminates patients from control children with high sensitivity, specificity, and validity. This multiparametric method can offer a more powerful approach in the assessment and treatment planning of individuals with hypernasality.


Journal of Communication Disorders | 2013

Parental satisfaction in Ugandan children with cleft lip and palate following synchronous lip and palatal repair.

Anke Luyten; Evelien D’haeseleer; Dorte Budolfsen; Andrew Hodges; George Galiwango; Hubert Vermeersch; Kristiane Van Lierde

UNLABELLED The purpose of the present case control study was to assess parental satisfaction with speech and facial appearance in Ugandan children with complete unilateral or bilateral cleft lip and palate (CLP), who underwent a synchronous lip and palatal closure. The results are compared with an age- and gender-matched control group. The experimental group consisted of the parents or guardians of 44 Ugandan patients (21 males, 23 females) with complete unilateral or bilateral CLP (mean age: 3;1 years). The control group included the foster mothers of 44 orphan children matched by age and gender (mean age: 3;7 years). A survey based on the Cleft Evaluation Profile was used to assess the perceived satisfaction for individual features related to cleft care. Overall high levels of satisfaction were observed in the experimental group for all features (range: 56-100%). No significant differences could be established regarding age, gender, age of lip and palatal closure, cleft type or maternal vs. paternal judgments. In participants who were dissatisfied with the appearance of the lip, the time period between the cleft closure and the survey was significantly larger compared with satisfied participants. Furthermore, significantly lower levels of satisfaction were observed in the cleft group for speech and the appearance of the teeth and the nose compared with the control group. Satisfaction with speech and facial appearance in Ugandan children with cleft lip and/or palate is important since normal esthetics and speech predominantly determine the childrens social acceptance in the Ugandan society. LEARNING OUTCOMES As a result of reading this manuscript, the reader will be able to explain the attitudes of parents toward the surgical repair of their childrens cleft lip and palate. As a result of reading this manuscript, the reader will be able to identify differences in parental attitudes toward synchronous lip and palate repair.


International Journal of Pediatric Otorhinolaryngology | 2011

Overall intelligibility, articulation, resonance, voice and language in a child with Nager syndrome

Kristiane Van Lierde; Anke Luyten; Geert Mortier; Anouk Tijskens; Kim Bettens; Hubert Vermeersch

OBJECTIVE The purpose of this study was to provide a description of the language and speech (intelligibility, voice, resonance, articulation) in a 7-year-old Dutch speaking boy with Nager syndrome. To reveal these features comparison was made with an age and gender related child with a similar palatal or hearing problem. METHODS Language was tested with an age appropriate language test namely the Dutch version of the Clinical Evaluation of Language Fundamentals. Regarding articulation a phonetic inventory, phonetic analysis and phonological process analysis was performed. A nominal scale with four categories was used to judge the overall speech intelligibility. A voice and resonance assessment included a videolaryngostroboscopy, a perceptual evaluation, acoustic analysis and nasometry. RESULTS The most striking communication problems in this child were expressive and receptive language delay, moderately impaired speech intelligibility, the presence of phonetic and phonological disorders, resonance disorders and a high-pitched voice. The explanation for this pattern of communication is not completely straightforward. The language and the phonological impairment, only present in the child with the Nager syndrome, are not part of a more general developmental delay. The resonance disorders can be related to the cleft palate, but were not present in the child with the isolated cleft palate. One might assume that the cul-de-sac resonance and the much decreased mandibular movement and the restricted tongue lifting are caused by the restricted jaw mobility and micrognathia. To what extent the suggested mandibular distraction osteogenesis in early childhood allows increased mandibular movement and better speech outcome with increased oral resonance is subject for further research. CONCLUSION According to the results of this study the speech and language management must be focused on receptive and expressive language skills and linguistic conceptualization, correct phonetic placement and the modification of hypernasality and nasal emission.


Folia Phoniatrica Et Logopaedica | 2013

Impact of early synchronous lip and palatal repair on speech.

Anke Luyten; Kim Bettens; Evelien D'haeseleer; Sophia De Ley; Andrew Hodges; George Galiwango; Hubert Vermeersch; Kristiane Van Lierde

Aims: The purpose of this study was to describe articulation and resonance characteristics of Ugandan English-speaking children with cleft lip and palate (CLP) after synchronous lip and palatal closure (Sommerlad technique) prior to the age of 6 months in comparison with an age- and gender-matched control group. Methods: Eleven Ugandan patients with CLP (mean age 4;9 years), repaired during a synchronous lip and (soft and hard) palatal closure at a mean age of 3.4 months, were included as well as a control group (n = 22) consisting of 2 Ugandan age- and gender-matched noncleft children for each patient (mean age 4;10 years). Objective and perceptual speech assessment techniques were applied. Results: Consonant inventories were significantly smaller in the CLP group. Moreover, phonetic disorders and phonological processes occurred in 91 and 100% of the CLP group, respectively. Perceptual consensus evaluation revealed absence of hyponasality and cul-de-sac resonance in all patients. Hypernasality and nasal emission/turbulence occurred in 18 and 27% of the patients, respectively. No significant group differences were observed regarding the mean nasalance values of oral speech samples. Conclusion: Various deviations from normal speech development seem to occur in patients with CLP following synchronous lip and palatal closure before 6 months of age.

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Sofie Claeys

Ghent University Hospital

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