Stomach Issues: Risks of H. Pylori Infection and Ulcers

Issues related to gastroscopy and Helicobacter pylori infection?

Hello doctor, I would like to ask three questions:
1.
Is it possible to get infected with Helicobacter pylori during an endoscopy? I am concerned because during the procedure, I have to bite down on something and the endoscope goes into the stomach.

2.
Is Helicobacter pylori the main cause of gastric ulcers? If not, what is the primary cause? I have heard that emotional distress can lead to gastric ulcers; does this apply even if the emotional distress is only temporary? Can gastric ulcers appear suddenly?
3.
If my hands or objects are contaminated with Helicobacter pylori, is rinsing them with just water sufficient to eliminate the bacteria (to a non-disease-causing level)? Or is it necessary to use soap or other cleaning agents in conjunction?

Mr. Zhu, 20~29 year old female. Ask Date: 2023/12/27

Dr. Chen Shidian reply Gastroenterology and Hepatology

1.
Modern endoscope disinfection involves using bite blocks only once, preventing any subsequent transmission.
2.
Yes, most other cases are due to food or medication-related injuries.
3.
Soap is the best option.

Reply Date: 2023/12/27

More Info

Understanding stomach issues, particularly the risks associated with Helicobacter pylori (H. pylori) infection and the development of ulcers, is crucial for maintaining gastrointestinal health. Let’s address your three questions in detail.

1. Risk of H. pylori Infection During Endoscopy:
It is highly unlikely to contract H. pylori during an endoscopic procedure. The endoscope is a medical instrument that is meticulously cleaned and sterilized between uses to prevent cross-contamination. The procedure involves inserting the endoscope through the mouth and into the stomach, where it can visualize the mucosa and potentially take biopsies. While the mouth and throat may harbor various bacteria, the risk of acquiring H. pylori from the endoscope itself is minimal due to strict hygiene protocols. However, it is essential to ensure that the medical facility adheres to proper sterilization practices.

2. H. pylori as a Cause of Stomach Ulcers:
H. pylori is indeed one of the primary causes of gastric and duodenal ulcers. Studies indicate that approximately 70-90% of individuals with peptic ulcers are infected with this bacterium. H. pylori can damage the protective lining of the stomach and duodenum, leading to inflammation and ulcer formation. However, it is not the sole cause. Other factors contributing to ulcer development include the use of nonsteroidal anti-inflammatory drugs (NSAIDs), excessive alcohol consumption, smoking, and chronic stress. While emotional distress can exacerbate symptoms and may contribute to ulcer formation, it is typically not the direct cause. Ulcers can develop suddenly, especially if there is a significant change in lifestyle or medication use, or if an individual has a pre-existing infection.

3. Cleaning H. pylori from Surfaces:
H. pylori is a resilient bacterium, but it can be effectively removed from surfaces with proper cleaning. Simply rinsing with water may not be sufficient to eliminate it, as the bacterium can survive in moist environments. Using soap or a disinfectant is recommended for thorough cleaning. Soap helps to break down oils and organic matter, which can harbor bacteria, while disinfectants can kill pathogens on surfaces. For personal hygiene, washing hands with soap and water is crucial, especially before meals and after using the restroom, to prevent the spread of H. pylori and other infectious agents.

In summary, while H. pylori is a significant factor in the development of ulcers, it is not the only one. Understanding the multifactorial nature of ulcer formation can help in prevention and treatment. If you suspect you have an H. pylori infection or are experiencing symptoms of ulcers, it is essential to consult a healthcare provider for appropriate testing and treatment. This may include antibiotics to eradicate the infection and medications to reduce stomach acid, promoting healing of the ulcers. Regular follow-ups and lifestyle modifications, such as dietary changes and stress management, can also play a vital role in maintaining gastrointestinal health.

Similar Q&A

Understanding Duodenal Ulcers and H. Pylori: Managing Symptoms and Treatment

Hello Doctor, I have been experiencing stomach pain for quite some time. I previously went to the hospital for an endoscopy, and the doctor diagnosed me with gastroesophageal reflux disease (GERD), multiple areas of gastric inflammation, and severe duodenal ulcers. I also tested ...

Dr. Chen Shidian reply Gastroenterology and Hepatology
Hello, the antibiotics may have some side effects, and it is important to endure them and take the full course as prescribed to reduce the failure rate. If necessary, you may return for a follow-up appointment to consult with the prescribing physician about possibly changing the ...

Understanding Helicobacter Pylori: Implications for Liver and Stomach Health

Hello Doctor: I underwent a health check-up and tested positive for Helicobacter pylori, and the ultrasound examination showed a rough surface on my liver. Could you please advise if there are significant issues with my stomach or liver, whether there will be any long-term effect...

Dr. Chen Qifeng reply Gastroenterology and Hepatology
Hello: It is recommended to visit a gastroenterology and hepatology specialist for further examination. First, an upper gastrointestinal endoscopy should be performed to check for gastritis or peptic ulcers. Depending on the findings, it may be necessary to consider eradication t...

Understanding Helicobacter Pylori in Stomach and Duodenal Ulcers

1. Is Helicobacter pylori commonly associated with gastric ulcers and duodenal ulcers? 2. Can a doctor determine the presence of Helicobacter pylori based solely on experience during an endoscopy without conducting other tests? 3. If a physician indicates that Helicobacter py...

Dr. Zhang Yuting reply Gastroenterology and Hepatology
1. About 80 to 90 percent of patients with gastric ulcers and duodenal ulcers are infected with Helicobacter pylori. Aside from ulcers caused by NSAIDs and other rare causes, there is a significant association between Helicobacter pylori and the formation of ulcers. 2. Gastroscop...

Understanding Stomach Ulcers: Causes, Diet, and Lifestyle Tips

I’m sorry to hear about your father’s condition. Gastric ulcers, also known as peptic ulcers, are sores that develop on the lining of the stomach or the first part of the small intestine. The main causes of gastric ulcers include: 1. Helicobacter pylori infection: This bacte...

Dr. Yang Guojun reply Gastroenterology and Hepatology
Gastric ulcers are lesions that form in the stomach wall due to the erosion of the gastric mucosa by gastric acid. Gastric ulcers can be detected through upper gastrointestinal X-ray with barium contrast or endoscopy. In this condition, 90-100% of patients with duodenal ulcers an...