The Utility of the Stop-Bang Questionnaire in the Adult Outpatient Heart Failure Population
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Sleep apnea has been shown to have a negative impact on quality of life, especially in the presence of heart failure (HF). Sleep apnea remains under-diagnosed, and the prevalence of comorbid sleep apnea in patients with HF is high. The purpose of this project is to determine if screening for sleep apnea using the STOP-BANG questionnaire (SBQ) in the adult outpatient HF population increases the incidence of referrals for a polysomnography (PSG) test. The objective is to increase referral for PSG through the use of the SBQ. The theory chosen for this project is Imogene King’s Theory of Goal Attainment. This theory describes the nature of nurse-client interactions that lead to transactions and goal attainment. This theory provides knowledge of process and outcomes, and leads to quality improvement in nursing. The project took place at Great Lake’s Cardiology. The project leader implemented a quasi-experimental design, beginning with a four-week chart review. A screening questionnaire, including the SBQ, was given to new-onset HF patients. The chi-square analysis revealed statistically significant results for SBQ risk score and diagnosis group. It was concluded that those who had not been previously diagnosed with sleep apnea were at much higher risk for having sleep apnea than those that had. One limitation for this project was sample size, which is why the project leader could not answer whether or not use of the SBQ increased referrals for PSG. This research could be continued on a larger scale so that the original research question is answered.