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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

OSTOMY COMPLICATIONS AND ASSOCIATED RISK FACTORS: DEVELOPMENT AND TESTING OF TWO INSTRUMENTS

Pittman, Joyce A. 23 August 2011 (has links)
Indiana University-Purdue University Indianapolis (IUPUI) / Complications following intestinal ostomy surgery can diminish quality of life for individuals living with an ostomy, resulting in physical and psychosocial limitations. Risk factors contributing to ostomy complications are not well established in the literature. The purposes of this study were to: 1) identify risk factors contributing to the development of fecal ostomy complications; 2) describe the incidence and severity of early fecal ostomy complications; and 3) estimate the reliability and validity of two newly developed instruments, Ostomy Risk Factor Index (ORFI) and Ostomy Complication Severity Index (OCSI). Using a prospective longitudinal design, 71 adult patients who had undergone ostomy surgery were recruited from three acute care settings. Data were collected through self-administered surveys, medical record review, and direct observation prior to discharge and at 30 to 60 days post-operatively. Data were analyzed using descriptive statistics, analysis of variance, chi-square tests, correlation, and multiple regression. Psychometric properties of the Ostomy Risk Factor Index and the Ostomy Complication Severity Index were examined using content validity indices, Cohen coefficient kappa, Pearson correlation coefficient, and intra-class correlation. Two risk factors were found to be predictive of ostomy complications scores, stoma/abdomen characteristics (p= .007) and BMI (p= .002). Ostomy complications and ostomy adjustment were significantly inversely correlated (r= - 0.27, p=.04) and stoma care self-efficacy and ostomy adjustment were significantly correlated (r= .599, p= .01). The ORFI and OCSI demonstrated acceptable content validity (CVI= 0.9). ORFI demonstrated acceptable inter-rater reliability for 10 of the 14 items (k= 1.0) and excellent intraclass correlation of total scores between raters (r= .998, p= .001). The OCSI demonstrated acceptable inter-rater reliability for all of the items (k= .71- 1.0) and excellent intra-class vii correlation of total scores between raters (r= .991, p= .000). The OCSI demonstrated acceptable internal consistency (Cronbach's alpha .68). In conclusion, this study provides new knowledge regarding risk factors, incidence and severity of ostomy complications, and provided support for the validity and reliability of two new instruments for the researcher and practitioner to reliably identify and describe important contributors (risk factors) and outcomes (complications) that affect care of the patient with an ostomy.

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