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EGD for Family Physicians

EGD for Family Physicians. Scott M. Strayer, MD, MPH Assistant Professor University of Virginia Health System Department of Family Medicine. Case Presentation.

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EGD for Family Physicians

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  1. EGD for Family Physicians Scott M. Strayer, MD, MPH Assistant Professor University of Virginia Health System Department of Family Medicine

  2. Case Presentation • A 47-year-old female presents with a long standing history of heartburn and epigastric tenderness. There is no family history of stomach cancer, and she is tried on a 2-month trial of PPI with significant relief, but fails an attempt to stop the therapy.

  3. Barrett’s Esophagus

  4. Background • Performed by about 4% of Family Physicians (Source: American Academy of Family Physicians, Practice Profile II Survey, May 2000). • EGD performed by primary care physicians was associated with enhanced management or improved diagnostic accuracy in 89% of cases (Rodney WM et al: Esophagogastroduodensocopy by family physicians---Phase II: a national multisite study of 2500 procedures. Fam Pract Res J 13(2):121, 1993).

  5. Background • FP series showed an 83% correlation between pathologic diagnoses of directed biopsies and endoscopic diagnoses including 4 cases of confirmed cancer (this was comparable to subspecialist’s rates). (Woodliff DM. The role of upper gastrointestinal endoscopy in primary care. J Fam Pract. 1979;8:715-9).

  6. Complication Rates Among FP’s • In this same series, no complications occurred in 1,783 EGD’s performed by 13 FP’s. • Another series found one complication in 717 procedures (Deutchman ME, Connor PD, Hahn RG, Rodney WM. Diagnostic and therapeutic tools for the family physician's office of the 21st century. Fam Pract Res J. 992;12:147-55).

  7. AAFP’s Position • Gastrointestinal endoscopy should be performed by physicians with documented training and/or experience, and demonstrated competence in the procedures. • Training in endoscopy includes clinical indications, diagnostic problem solving, mechanical skills acquired under direct supervision and prevention and management of complications. • Endoscopic competence is determined and verified by evaluation of performance under clinical conditions rather than by an arbitrary number of procedures.

  8. AAFP Position 4. Endoscopic competence should be demonstrated by any physician seeking privileges for the procedure. • Privileges should be granted for each specific procedure for which training has been documented and competence verified. The ability to perform any one endoscopic procedure does not guarantee competency to perform others. • Endoscopic privileges should be defined by the institution granting privileges and reviewed periodically with due consideration for performance and continuing education.

  9. Clinical Indications • Cancer surveillance in high-risk patients (e.g. Barrett’s esophagus, Menetrier’s disease, polyposis, pernicious anemia). • Esophageal stricture • Gastric retention • Chronic duodenitis • Chronic esophagitis • Chronic gastritis • Symptomatic hiatal hernia • Gastric ulcer monitoring

  10. Clinical Indications • Chronic peptic ulcer disease • Pyloroduodenal stenosis • Varices • Angiodysplasia in other bowel areas • Abdominal mass • Unexplained anemia • Gross or occult GI bleeding • X-ray abnormality on upper GI study

  11. Clinical Indications • Dyspepsia • Dysphagia/odynophagia • Early satiety • Epigastric pain • Food sticking • Meal-related heartburn • Severe indigestion • Chronic nausea or vomitting • Substernal or paraxiphoid pain • Reflux of food • Severe weight loss

  12. Clinical Indications • Not improving after 10 days of H2-blocker or PPI therapy, or not resolving after 4-6 weeks of H2-blocker of PPI therapy, where appropriate.

  13. Contraindications • History of bleeding disorder (platelet dysfunction, hemophilia) • History of bleeding esophageal varices • Cardiopulmonary instability • Suspected perforated viscus • Uncooperative patient

  14. Equipment • Video gastroscope • Light source • Camera source • Color video • Video Monitor • Video recorder • Biopsy forceps • Williams oral introducer • Endoscopy table

  15. Equipment • Stool with wheels for endoscopist • Sphygmomanometer • Stethoscope • ECG machine or cardiac monitor • Pulse oximeter • IV fluids • Suction equipment and tubing • Specimen jars with formalin solution • Syringes and needles

  16. Equipment • Rubber gloves • CLO test materials • Anesthetic, sedative, and narcotic medications • Oxygen and delivery mask • Crash cart supplies • Cleaning supplies

  17. Antibiotic Prophylaxis • With or without biopsy, is not recommended according to AHA guidelines (1997).

  18. High Risk Patients • Greater than 70 years old • Less than 12 years old • Agitated, uncooperative patient • History of angina • History of significant aortic stenosis • History of significant chronic obstructive pulmonary disease • History of cerebrovascular accident • Presence of significant bleeding disorder or coagulopathy • Barium administration within a few hours of procedure

  19. Contraindications for VASC Procedures • Weight greater than 350 lbs. • Significant COPD or pulmonary disease requiring 02 • Sleep apnea requiring CPAP • Renal Failure on dialysis • Hepatic failure • Increased Goldman’s risk (i.e. MI within 6 months, unstable angina, etc.)

  20. Preparation • Discontinue ASA/NSAIDS 7 days prior to examination. • NPO 7pm evening before procedure (at least 8 hours NPO). • Examine oral cavity, remove dentures. • Can use simethicone pre-procedure or as needed.

  21. Preparation • Place the patient in the left lateral recumbent position. • Spray the back of the throat with 2% lidocaine or swallow viscous lidocaine (30cc). • Place Williams introducer in patient’s mouth over the tongue and into the oral pharynx. • Inser the lubricated tip of the endoscope down the introducer, and slowly advance to the point of first resistance (about 15-17 cm). This is the location of the vocal cords and cricopharyngeus muscle.

  22. Vocal Cords

  23. Intubating the esophagus • Ask the patient to swallow repeatedly until a feeling of “give” is obtained; at this point, the endoscope can then be passed naturally into the esophagus. • NOTE: NEVER USE FORCE AT ANY TIME, Let the natural swallowing mechanism advance the scope.

  24. Esophagus

  25. Where are We?

  26. Visualizing the Esophagus • Insufflate just enough air to dilate the esophagus and visualize the mucosa. • Gently advance down the esophagus. The first landmark will be the bronchoaortic constriction. • Try to visualize on entering because mucosa may be irritated by passage of the scope.

  27. Landmarks

  28. Squamocolumnar Junction • Continue to the squamocolumnar junction between the esophagus and the stomach, which is approximately 40cm from the patient’s teeth. • Mucosal coloration changes from pale to dark pink. • This boundary is known as the Z line.

  29. Squamocolumnar junction

  30. Stomach • After passing the GE-junction, the endoscope will enter the stomach. • The gastric lake and rugae become visible. • Follow the rugae to the angularis, antrum and pre-pyloric areas.

  31. Gastric Rugae

  32. Angularis and Closed Pylorus

  33. Antrum and Pyloric Opening

  34. Entering the Duodenum • Guide the endoscope through the relaxed pyloric sphincter and into the duodenal bulb. • Ampulla of Vater may be visualized.

  35. Duodenum

  36. Retroflexion • Withdraw past the pyloric sphincter into the antrum. Turn the large wheel 180 degrees so that the scope is looking back on itself. Slowly withdraw so that the GE junction can be clearly seen and examine the adjacent cardia. • Look for fixed or sliding hiatal hernia.

  37. Retroflexion

  38. GE Junction

  39. Finishing the Procedure • Straighten the endoscope by rotating the wheel back to the original position. Slowly withdraw the endoscope through the esophagogastric junction and back through the esophagus. • Examine the vocal cords as the instrument is withdrawn.

  40. Sending the Patient Home • The anesthesiologist or assistant should complete the monitoring process. The physician should reexamine the patient prior to discharge from the facility. A 30-minute observation period is generally sufficient, especially if minimal sedation is used. No food or drink for approximately 30 minutes post-procedure due to local anaesthetic.

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