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Variability in serum pepsinogen levels in an asymptomatic population
T Knight1, S Greaves, A Wilson
1Department of Surgery, School of Postgraduate Medicine, Keele University, Staffordshire, UK.
European Journal of Gastroenterology & Hepatology
|July 1, 1995
Summary
Serum pepsinogen levels vary significantly in asymptomatic individuals, with Helicobacter pylori infection being a primary factor. Other influences include age, height, weight, and smoking, suggesting a need for multiple screening methods for gastric pathology.
Area of Science:
- Gastroenterology
- Clinical Chemistry
- Epidemiology
Background:
- Serum pepsinogen levels are biochemical markers used to assess gastric mucosal status.
- Variability in these levels can indicate underlying gastric conditions, even in asymptomatic individuals.
- Understanding these variations is crucial for effective gastric disease screening.
Purpose of the Study:
- To investigate the variability of serum pepsinogen A and C levels in an asymptomatic male population.
- To identify factors influencing these variations, including Helicobacter pylori infection, age, lifestyle, and occupation.
Main Methods:
- A cross-sectional survey of 420 asymptomatic men aged 18-63 years.
- Collection of data on gastric health history, lifestyle, occupation, height, and weight.
- Measurement of serum pepsinogen A and C levels and anti-Helicobacter pylori antibody levels.
Main Results:
- Extreme pepsinogen levels (indicative of gastritis) were found in 5.7% (low) and 14.5% (high) of participants.
- Low pepsinogen A-C ratios (indicative of gastric atrophy) were found in 3.1% of participants.
- Helicobacter pylori seropositivity significantly increased pepsinogen levels, particularly pepsinogen C, and lowered A-C ratios. Age, height, weight, and smoking also influenced levels in seronegative individuals.
Conclusions:
- Helicobacter pylori infection is a major determinant of serum pepsinogen levels, but other factors also contribute to gastric pathology.
- Serum pepsinogen levels may independently vary with age, height, and weight.
- Screening serum pepsinogen levels can identify a segment of the population (5-15%) needing further investigation, but additional screening 'filters' may be necessary.