Bowel Noises and Gastrointestinal Issues in AS Patients - Gastroenterology and Hepatology

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Borborygmi and gastrointestinal issues?


Hello, doctor.
I am a patient with ankylosing spondylitis, and I have been experiencing bowel sounds for about 3 to 4 months.
They usually occur more after meals or when lying down before sleep, with variable locations.
I can also feel intestinal peristalsis, and occasionally I have sharp pain on the right side of my abdomen.
There is occasionally white mucus in my stool.
In November, I underwent gastroscopy and colonoscopy, and the OB immune test result was less than 7.0.
The doctor mentioned seeing small ulcers, and the report is as follows:
C00097005 Biopsy V Anesthesia
INDICATION: Bloody stool
CLINICAL INFORMATION: Suspected functional bowel
PREMEDICATION: Premedication with Hyoscine N-Butyl 20 mg IM.
Klean-Prep 68.6g/sachet *2 (split dose)
ANTIPLATELET/COAGULANT: Nil
COLON CLEANSING STAGE: Good.
Large volume of clear liquid covering 5% to 25% of the surface but greater than 90% of the surface seen.
DIGITAL EXAMINATION: See description hemorrhoid
ENDOSCOPIC FINDINGS: The scope was inserted into the cecum (80cm AAV).
The lesion was noted and managed as follows: [C1] Type 0-IIa ulcers at least x 5, 0.2 - 0.3 cm in size, were noted at the sigmoid colon (20 - 8cm AAV), s/p biopsy.
There is mild external hemorrhoid.
COMPLICATION: Nil
DIAGNOSIS:
- S/p ileocolonoscopy
- Colonic ulcers at the rectum and sigmoid colon, etiology unknown, s/p biopsy to rule out ulcerative colitis or infectious colitis
Biopsy Report
PATHOLOGICAL DIAGNOSIS: Colon, sigmoid (20-8 cm above anal verge); biopsy: Colonic mucosa with mild chronic inflammation.
GROSS FINDING: The specimen consists of three pieces of tan soft tissue measuring 0.3x0.1x0.1 cm for the largest one.
All for section in one cassette.
MICROSCOPIC FINDING: Section shows benign colonic mucosa with mild lymphocytic infiltration.
There is no evidence of malignancy.
The doctor seemed to find nothing significant, so they asked if I wanted to undergo further imaging such as a CT scan or small bowel endoscopy.
I was a bit scared at the time and declined.
Currently, the frequency of abdominal pain has decreased, but the bowel sounds persist.
I have lost 3 kilograms over the past few months, although I have also been improving my diet and exercise habits, so I am unsure if this is due to the disease or my lifestyle changes.
I do not have symptoms like loss of appetite or vomiting.
I would like to ask the doctor if I should arrange for a CT scan or small bowel endoscopy, as I am concerned that the bowel sounds may indicate an obstruction due to a small bowel tumor or Crohn's disease.
Thank you for patiently reading this long message.

Jason, 20~29 year old female. Ask Date: 2022/01/14

Dr. Chen Shidian reply Gastroenterology and Hepatology


If weight loss persists, further examination is recommended, including capsule endoscopy or small bowel endoscopy.

Reply Date: 2022/01/14

More Info


As a patient with ankylosing spondylitis (AS) experiencing bowel noises and gastrointestinal issues, it is understandable to feel concerned about your symptoms, especially given your recent medical history. Your symptoms of bowel noises, abdominal pain, and the presence of mucus in your stool can be distressing, and it’s important to address these concerns with a comprehensive understanding of your condition.

Firstly, the bowel noises (borborygmi) you are experiencing are often a normal part of gastrointestinal function, particularly after eating or when lying down. These sounds are produced by the movement of gas and fluids through the intestines. However, when accompanied by other symptoms such as abdominal pain or changes in stool consistency, they can indicate underlying gastrointestinal issues.

Your recent endoscopic findings revealed colonic ulcers and mild chronic inflammation, which could suggest a few potential conditions, including inflammatory bowel disease (IBD) such as ulcerative colitis or Crohn's disease, although your biopsy results did not show malignancy. The presence of ulcers in the sigmoid colon and the mild chronic inflammation noted in the pathology report are significant and warrant further investigation, especially given your ongoing symptoms.

The fact that you have lost weight and are experiencing abdominal pain, albeit less frequently, raises additional concerns. Weight loss can be a sign of malabsorption or chronic inflammation, which can occur in conditions like Crohn's disease. While you mentioned that you have been improving your diet and exercise habits, it is crucial to ensure that these changes are not masking a more serious underlying condition.

Regarding your question about whether to proceed with a CT scan or small bowel endoscopy, it is essential to weigh the potential benefits against your concerns. A CT scan can provide a more comprehensive view of your abdominal organs and help identify any structural abnormalities, while a small bowel endoscopy can directly visualize the small intestine and assess for conditions like Crohn's disease or other inflammatory processes.

Given your history of gastrointestinal symptoms and the findings from your recent procedures, it may be prudent to consider further evaluation. If you are apprehensive about the procedures, discussing your fears with your healthcare provider can help. They can provide reassurance, explain the necessity of these tests, and help you understand how they can contribute to a more accurate diagnosis and effective treatment plan.

In the meantime, continue to monitor your symptoms closely. Keep a diary of your bowel habits, dietary intake, and any associated symptoms such as pain or discomfort. This information can be invaluable for your healthcare provider in determining the next steps in your care.

Lastly, it may also be beneficial to consider a referral to a gastroenterologist if you have not already done so. They specialize in gastrointestinal disorders and can provide targeted management for your symptoms, including dietary recommendations, medications, and further diagnostic testing as needed.

In summary, while your bowel noises and gastrointestinal symptoms can be concerning, they are not uncommon in patients with AS and other gastrointestinal conditions. Given your recent findings and ongoing symptoms, further evaluation through imaging or endoscopy may be warranted to rule out any serious underlying conditions. Open communication with your healthcare provider about your concerns and symptoms will be key in managing your health effectively.

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