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Clinical Nursing Research
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Psychophysiologic Predictors of Weaning from Mechanical Ventilation in Chronic Bronchitis and Emphysema

Linda E. Moody

University of South Florida, College of Nursing

Lois Lowry

University of South Florida, College of Nursing

Hossein Yarandi

University of Florida

Audrey Voss

University of South Florida, College of Nursing

Tis study identified psychophysiologic variables related to successful weaning in 27 ventilator-dependent patients with chronic bronchitis and emphysema (CBE) from two long-term care pulmonary-specialty hospitals in South Central Florida Subjects were studied from admission until weaning occurred (successful weaning without mechanical ventilation) or until they were transferred without being weaned or died (unsuccessful weaning). The study subjects, 15 males and 12 females, ranged in age from 56 to 89. Baseline data on the variables (age, mastery, hope, social support, dyspnea, and rapid shallow breathing index [RSBI]) were not statistically significant by gender. he logistic regression model identified mastery and RSBI to be the best predictors of successful weaning (model X2 = 16.33, df = 2, and p value = .0003; prediction rate 82%).

Clinical Nursing Research, Vol. 6, No. 4, 311-330 (1997)
DOI: 10.1177/105477389700600402
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