Posterpresentation on a systematic review at the symposium of the International Clinical Phonetics and Linguistics Association (ICPLA 2020/21)

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Citation: Platte, M. & Neumann, S. (2021, June). Phonological and Articulatory Speech Therapy Interventions for Children with Cleft Palate: A Systematic Review. Poster presented at the symposium of the International Clinical Phonetics and Linguistics Association (ICPLA 2020/21). online

Phonological and articulatory Speech Therapy Interventions for Children With Cleft Palate: A Systematic Review
preregistered at PROSPERO 

Abstract
Background: Even in 2021, the evidence of duration, intensity and type of speech therapy for cleft palate ± cleft lip (CP+/L) remains unclear. The objective of the present study was (1) to investigate effectiveness of phonological and/or articulation therapy for children and adolescents (1;0-19;11 yrs.) with CP+/L and
cleft type characteristics (CTCs) and (2) to identify different types of interventions assessed.
Method: A systematic review of journal publications was conducted in November 2020 by an extensive electronic search and analysis of the databases of Cochrane Library, PubMed, ISI Web of Science, APA PsycINFO and The Health Technology Assessment Database. The search strategy was amended by a manual search of published articles and by checking reference lists of identified publications. There
was no limitation in publication year or language. Inclusion criteria for studies were: phonological or motor-speech therapy without any technical instruments, experimental group ≥ 90% of children with CP+/L and CTCs, therapy by SLT/SLP, reported outcome measures for speech-language assessment.
Results: The searches identified 581 references. After screening for title and abstract 513 papers had to be excluded, while another 50 publications dropped out by full text analyses regarding missing inclusion criteria. Finally, a total of 18 studies could be included in the analysis. Two studies were conducted prior 2000, 6 were conducted between 2000 and 2015, and the remaining 10 studies took place after
2015. The publications reflect different study designs with various levels of evidence. In terms of intervention approaches, 11 studies evaluated phonological approaches, 3 evaluated phonetic approaches and 4 a mixture of both.
Conclusion: Data analyses according to PRISMA standards are still in progress. In detail, therapy concepts found, their effectiveness and risk of bias in studies will be presented.

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