1. Effects of Fundoplication on Nocturnal Gastroesophageal Reflux
Ross Fuller
Andrew Myers

2. Advisors Dr. Jon Cohen Paul Harris Surgery Fellow BME
Medical Center Informatics

3. Background Normal Stomach Physiology
Normal Fundus
Normal Esophagus
Gastroesophageal Reflux Physiology
Reflux-Prone Fundus
Reflux-Prone Esophagus

4. Method of Evaluation Sleep Architecture Study Which Comes First?
25 Cases Prior to Fundoplication
25 Cases After Fundoplication
Which Comes First?
Gastroesophageal Reflux
Change in Sleep Stage

5. Project Requirements 1 Sleep Study Data Collection
Electroencephalogram
Electrocardiogram
Electromyelogram
Electrooculogram
Esophageal pH
Respiratory Rate and Pattern
Hemoglobin Oxygen Saturation

6. Project Requirements 2 Construction of Database Conversion of pH Data
Microsoft Access
Conversion of pH Data
Original Format: Hexadecimal
New Format: Decimal
Visual Basic
Event Recognition
Integration of System Components

7. Past Work Montage Structure Calibration of Equipment
Electrode Placement
10-20 Scheme
Material Audit and Acquisition
Programming in Visual Basic
Trial Runs

8. Current Work Construction of Database (Paul Harris)
Grant Approval (Jon Cohen)
Fine-Tuning of Equipment
Consultation With Sleep Technicians
Trial Runs
Acquisition
Analysis

9. Future Work Transfer of Data into Database Further Trial Runs
Perfection of Methods
Initiation of Study