Esophagogastroduodenoscopy by family physicians phase II: a national multisite study of 2,500 procedures.

We have prospectively studied 1,783 upper gastrointestinal tract endoscopy procedures as performed by family physicians from thirteen separate office practices. Phase I of the study previously reported on 717 procedures in which patient management was enhanced, diagnostic yields were high, and biopsies were performed where appropriate. In Phase II, the data totaled 2,500 procedures representing 51.1 years of cumulative practice experience by the entire group. All cases were gathered prospectively and biopsies were confirmed by a pathologist's independent tissue analysis. In this series, family physicians were asked to record all complications, and to specify the exact manner in which performance of the procedure enhanced patient management. There have been biopsies in 1,230 (69% biopsy rate) Phase II cases with biopsy reports available in 1,194 (97% reporting rate) cases. There is pathological confirmation of the family physicians' visual diagnosis in 1,104 of 1,194 (93%) available biopsy reports for a 92% accuracy rate. There have been no complications, and the complication rate for the total series (1/2, 500) is now 0.0004.