title: Usefulness of the volume-viscosity swallow test for screening dysphagia in subacute stroke patients in rehabilitation income.
abstract: BACKGROUND
  Swallowing disorders affect up to 35-85% of patients with stroke. Dysphagia complications can lead to malnutrition, dehydration, bronchoaspirative pneumonia and death, and have impact on health care costs.
  
  
  OBJECTIVE
  To evaluate the clinical screening capacity of the Volume Viscosity Swallow Test (V-VST) for oropharyngeal dysphagia and aspiration in a homogeneous stroke patient sample.
  
  
  METHODS
  Cohort study of 52 stroke patients in a subacute phase. Piecemeal deglutition and oropharyngeal residue were considered signs of impaired efficacy and cough, fall in oxygen saturation and voice changes, signs of impaired safety. Sensitivity, specificity, positive and negative predictive values, accuracy and likelihood ratios were calculated for V-VST results and compared with those of videofluoroscopy (VFS), the gold standard for studies on swallowing disorders.
  
  
  RESULTS
  The V-VST is a highly sensitive and specific test to detect aspiration with sensitivity of 88.2% and specificity of 71.4%; negative predictive value was 92.6%; accuracy index was 0.74. Sensitivity and specificity for penetration were 34.3% and 70.6%, respectively; accuracy was 32%.
  
  
  CONCLUSIONS
  The V-VST is low in cost, easy to use and very sensitive, meeting the requirements of oropharyngeal dysphagia and aspiration screening test in subacute stroke patients.
authors.affiliation: Physical Medicine and Rehabilitation Department, Parc de Salut Mar (Hospital del Mar / Hospital de l'Esperança), Rehabilitation Research Group, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Catalonia, Spain Departament de Medicina, School of Medicine, Universitat Autònoma de Barcelona, Catalonia, Spain.
authors.forename: Anna
authors.initials: A
authors.lastname: Guillén-Solà
authors.affiliation: Physical Medicine and Rehabilitation Department, Parc de Salut Mar (Hospital del Mar / Hospital de l'Esperança), Rehabilitation Research Group, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Catalonia, Spain Departament de Medicina, School of Medicine, Universitat Autònoma de Barcelona, Catalonia, Spain.
authors.forename: Ester
authors.initials: E
authors.lastname: Marco
authors.affiliation: Radiodiagnosis Department, Parc de Salut Mar (Hospital del Mar i Hospital de l'Esperança), Barcelona, Catalonia, Spain.
authors.forename: Joan
authors.initials: J
authors.lastname: Martínez-Orfila
authors.affiliation: Physical Medicine and Rehabilitation Department, Parc de Salut Mar (Hospital del Mar / Hospital de l'Esperança), Rehabilitation Research Group, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Catalonia, Spain Departament de Medicina, School of Medicine, Universitat Autònoma de Barcelona, Catalonia, Spain.
authors.forename: M Fernanda
authors.initials: MF
authors.lastname: Donaire Mejías
authors.affiliation: Physical Medicine and Rehabilitation Department, Parc de Salut Mar (Hospital del Mar / Hospital de l'Esperança), Rehabilitation Research Group, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Catalonia, Spain Departament de Medicina, School of Medicine, Universitat Autònoma de Barcelona, Catalonia, Spain.
authors.forename: Marina
authors.initials: M
authors.lastname: Depolo Passalacqua
authors.affiliation: Physical Medicine and Rehabilitation Department, Parc de Salut Mar (Hospital del Mar / Hospital de l'Esperança), Rehabilitation Research Group, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Catalonia, Spain Departament de Medicina, School of Medicine, Universitat Autònoma de Barcelona, Catalonia, Spain.
authors.forename: Esther
authors.initials: E
authors.lastname: Duarte
authors.affiliation: Physical Medicine and Rehabilitation Department, Parc de Salut Mar (Hospital del Mar / Hospital de l'Esperança), Rehabilitation Research Group, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Catalonia, Spain Departament de Medicina, School of Medicine, Universitat Autònoma de Barcelona, Catalonia, Spain.
authors.forename: Ferran
authors.initials: F
authors.lastname: Escalada
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D015331:Cohort Studies; D003680:Deglutition Disorders / Q000175:diagnosis* / Q000209:etiology*; D005260:Female; D005471:Fluoroscopy; D006801:Humans; D016013:Likelihood Functions; D008297:Male; D008875:Middle Aged; D017063:Outcome Assessment, Health Care; D010808:Physical Examination; D011237:Predictive Value of Tests; D012680:Sensitivity and Specificity; D020521:Stroke / Q000150:complications*; D014741:Video Recording; D014783:Viscosity
keywords: Stroke; oropharyngeal dysphagia; pulse oximetry; screening; sensitivity; specificity; volume viscosity swallow test