Objective To determine if quality of life (QOL) is affected in children with velopharyngeal
insufficiency (VPI). Design Interview and survey. Setting Two university pediatric ambulatory …

Objective Test the Velopharyngeal Insufficiency (VPI) Effects on Life Outcomes (VELO)
instrument for validity, reliability, and responsiveness. Study Design Observational cohort …

Objectives To modify the existing 45-item Velopharyngeal Insufficiency (VPI) Quality-of-Life
(QOL) instrument (VPIQL), to assess the modified instrument for reliability, and to provide …

Objectives (1) To define the minimal clinically important difference (MCID) of the
Velopharyngeal Insufficiency (VPI) Effects on Life Outcomes (VELO) instrument, and (2) to …

Objective: To test the Brazilian Portuguese velopharyngeal insufficiency (VPI) Effects on Life
Outcome (VELO) instrument for reliability and validity. Design: Cross-sectional …

Background Disease-specific health-related quality of life (HRQOL) questionnaires provide
the clinician with important information regarding the impact of the disease on functioning …

Objectives/Hypothesis To translate the Velopharyngeal Insufficiency Effects on Life
Outcomes (VELO) instrument into Chinese and test its psychometric properties. Study …

Objective: To assess the functional outcome of surgery for velopharyngeal insufficiency (VPI)
by administering the pediatric voice outcomes survey (PVOS) to the parents of the affected …

Objectives: Although several instruments have been validated to assess voice quality, the
incidence and degree of impairment in normal, healthy children has not been widely …

Importance Patients with cleft palate and other causes of velopharyngeal insufficiency (VPI)
suffer adverse effects on social interactions and communication. Measurement of these …