{"title":"Development of the Prodromal Symptoms-Screening Scale (PS-SS): Preliminary Validity and Reliability.","authors":"Sheila O'Keefe-McCarthy, Shu-Liu Guo","doi":"","DOIUrl":null,"url":null,"abstract":"<p><strong>Unlabelled: </strong>Every 40 seconds a person dies of cardiovascular disease.Individuals do not recognize the warning signs--prodromalsymptoms--of an imminent myocardial ischemic event. TheProdromal Symptoms-Screening Scale (PS-SS) is a nine-itemmeasure designed to evaluate PS in individuals with coronaryartery disease.</p><p><strong>Aim: </strong>This article reports onfour studies (systematic review,focusgroup study, content validity testing and factor analysis) that contributed to the development and psychometric examination ofthe PS-SS.</p><p><strong>Results: </strong>PS experienced included: unusual fatigue, sleep disturbance, chest pain, anxiety, gastrointestinal symptoms andshortness of breath. The CVI derived was 0.85. The PS-SS presented a two-factor structure pertaining to Specific ProdromalSymptoms and Non-Specific Prodromal Symptoms. Internal consistency reliability was 0.61.</p><p><strong>Conclusions: </strong>The PS-SS reflects current prodromal literature,clinical practice and ACS patients' experiences of PS. Furtheritem generation, clarity of symptom description and psychometricevaluation needs to occur prior to use in clinical practice.Keywords: prodromal symptoms, acute coronarysyndrome, psychometric testing, tool development</p>","PeriodicalId":77057,"journal":{"name":"Canadian journal of cardiovascular nursing = Journal canadien en soins infirmiers cardio-vasculaires","volume":"26 2","pages":"10-8"},"PeriodicalIF":0.0000,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Canadian journal of cardiovascular nursing = Journal canadien en soins infirmiers cardio-vasculaires","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Unlabelled: Every 40 seconds a person dies of cardiovascular disease.Individuals do not recognize the warning signs--prodromalsymptoms--of an imminent myocardial ischemic event. TheProdromal Symptoms-Screening Scale (PS-SS) is a nine-itemmeasure designed to evaluate PS in individuals with coronaryartery disease.
Aim: This article reports onfour studies (systematic review,focusgroup study, content validity testing and factor analysis) that contributed to the development and psychometric examination ofthe PS-SS.
Results: PS experienced included: unusual fatigue, sleep disturbance, chest pain, anxiety, gastrointestinal symptoms andshortness of breath. The CVI derived was 0.85. The PS-SS presented a two-factor structure pertaining to Specific ProdromalSymptoms and Non-Specific Prodromal Symptoms. Internal consistency reliability was 0.61.
Conclusions: The PS-SS reflects current prodromal literature,clinical practice and ACS patients' experiences of PS. Furtheritem generation, clarity of symptom description and psychometricevaluation needs to occur prior to use in clinical practice.Keywords: prodromal symptoms, acute coronarysyndrome, psychometric testing, tool development
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