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Clinical Predictors of Apnea-hypopnea During Propofol Sedation — sleeposa  

Sleep Apnea Clinical Trial

Official title:
Clinical Predictors of Apnea-hypopnea During Propofol Sedation in Patients Undergoing Spinal Anaesthesia

Clinical Trial Summary

To relate two different predictive values of sleep apnea: the STOP score (snoring while sleeping, daytime tiredness, observed breathing stoppages, and high blood pressure) and the estimated respiratory disturbance index (eRDI) with the occurrence of apnea-hypopnea during propofol sedation,thirty four middle-aged male patients who underwent urologic surgery under spinal anaesthesia will be enrolled. Before surgery, patients will be asked to complete a STOP-questionnaire. The eRDI will be calculated using the modified Mallampati's grade, tonsil grade, and the body mass index. After performing spinal anaesthesia, propofol will be infused and adjusted to BIS 70-75. An ApneaLinkTM, which measures airflow through a nasal cannula, will be then applied to estimate the level of apnea-hypopnea.

Clinical Trial Description

The investigators will evaluate correlation between STOP scor and AHI(apnea hypopnea index) or eRDI and AHI. After then the investigators will compare AHI severity between high risk group and low risk group subgrouped according to STOP score or eRDI. ;

Study Design

Observational Model: Case Control, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01871259
Study type Observational
Source Samsung Medical Center
Contact
Status Terminated
Phase N/A
Start date November 2008
Completion date November 2009
View Details
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