Contents1.- A: Introduction.- I. Mechanical Versus Functional Surgery.- II. The Beginning of Functional Surgery for Peptic Ulcer.- III. Early Observations on a Functional Method of Surgical Treatment for Peptic Ulcer.- IV. Establishment of Theoretical Model of a Non-resective Method.- B: Patho-physiological Background.- I. Definition and Efficiency of the Model.- 1. Parameters for Checking the Model.- 2. Designation of the Model.- 3. Efficiency of the Model.- II. Effects of the Model.- 1. Effect on Gastric Secretion.- 2. Long-term Effect on Acid Secretion.- 3. Explanation of the Acid-reducing Effect.- 4. Histological Effect on the Fundic Mucosa.- 5. Effect on Blood Circulation.- 6. Effect on Gastrin Release.- 7. Findings still Open to Question.- C: Prerequisites and Technique of Adequate SPV (= a-SPV).- I. Prerequisites for an a-SPV.- 1. Suitable Tests for a Critical Examination of a-SPV.- 2. Technique Which is Both Effective and Durable.- 3. Topographical and Practical Anatomy.- 4. Importance of the “Borderline Nerves”.- 5. Importance of intra-operative Tests.- II. Functional Considerations Regarding Indication and Choice of Procedure.- 1. Procedures Appropriate to Form and Function.- 2. Practical Model for Non-resective Procedure.- 3. Functional “Key” to Procedure.- 4. Diagnostic System Ensuring Reliable Indication.- 5. Choice of Functional Procedure.- III. Standard Technique of Adequate SPV (a-SPV).- D: The Why? and How? of Drainage Within the Non-resective Method.- I. The Deficiencies of a-SPV.- 1. Effect on Acid Secretion and Gastrin Release After Feeding.- 2. Effect on Gastric Motility.- 3. Motility After Step-wise Denervation of the Antrum.- 4. Influence of Motility on the Pathogenesis of Gastric Ulcer (Dragstedt’s Theory).- II. The Importance of the Antro-pyloric Canal.- 1. Significance of Neural and Muscle Coat Changes in the Antro-pyloric Aerea.- 2. Diagnostic Value of Gastrin Measurement.- 3. The Gastrin Profile Test.- 4. Résume of Part D I., II., 1–3.- 5. Significance of the Corpus-antrum Transitional Zone for Acid Reduction.- III. Functional Measurement of the Motility of the Stomach as a Whole (Especially Functional Scintigraphy).- 1. Gastro-duodenal Scintigraphy.- 2. Comparison of X-ray and Scintigraphic Evaluation.- 3. Esophago-gastric Scintigraphy (especially in Hiatal Hernia and Achalasia).- IV. The Meaning of Pyloroplasty appropriate to Form and Function (ff-pypl) and its Standard Techniques.- 1. Submucosal (s.m.) Pyloroplasty.- 2. Open Pyloroplasty.- 3. Pylorectomy.- 4. Retrocolic Posterior Gastro-enterostomy as a Way Out.- E: Results: Short Review of Experiences with the Non-resective Method in 2072 Cases.- I Clinical and Experimental Examinations on the Efficiency of a ff-Pyloroplasty.- II Effect of Different Pyloroplasties on Functional Results.- III Clinical Results of the Munich Series Compared to Other Studies.- IV Summary of Present Non-resective Surgery for Primary Peptic Ulcer.- F: Indication, Application and Results of the Method in Cases Other Than Primary Peptic Ulcer.- I. Complicated Ulcer.- 1. Perforated Ulcer.- 2. Bleeding Ulcer.- 3. Functional Indication and Choice of Procedure in Recurrent Ulcer.- II. Achalasia, Hiatal Hernia and other Indications.- 1. Method in Achalasia of Cardia.- 2. Method in Hiatal Hernia.- 3. Other Indications Under Discussion (Hypersecretion, Dyspepsia, Gastritis, Prophylactic Application).- III. Appendix.- 1. Indication in Cases of Concomitant Psychosyndrome.- 2. How to Advise the Patient on His Post-operative Way of Life (Leaflet).- References.