Rectal Manometry is a specialized test used to assess the function of the rectum and anal sphincters. It helps diagnose various conditions related to bowel movements and pelvic floor dysfunction by measuring the pressures and muscle contractions in these areas.
Purpose:
Rectal manometry is used to:
- Diagnose causes of chronic constipation and difficulty with bowel movements.
- Evaluate fecal incontinence (involuntary leakage of stool).
- Assess rectal prolapse (protrusion of the rectum through the anus).
- Investigate pelvic floor disorders.
Procedure:
- Preparation:
- Pre-Test Instructions: Patients may be asked to follow a special diet or use a mild laxative before the test to ensure the rectum is empty. It is important to follow these instructions for accurate results.
- Anesthesia: Typically, no anesthesia is required, though a mild sedative may be offered to help the patient relax.
- Test Procedure:
- Insertion: A thin, flexible catheter with pressure sensors is inserted into the rectum. This catheter is equipped with sensors to measure various aspects of rectal and anal function.
- Measurement: The catheter records the pressures and muscle contractions in the rectum and anal sphincters while the patient performs specific tasks such as resting, squeezing, and attempting to have a bowel movement.
- Tasks: During the test, the patient may be asked to perform maneuvers such as squeezing the anal sphincter or simulating a bowel movement to assess the function and coordination of the muscles.
- Post-Test Care:
- Recovery: There is usually minimal recovery time, and most patients can return to their normal activities immediately after the test.
- Results: A detailed report is generated, which includes measurements of rectal pressures, sphincter function, and muscle contractions. The results are used to diagnose conditions and guide treatment decisions.
What to Expect:
- Discomfort: Patients may experience mild discomfort or a sensation of pressure during the test. Some may feel slight discomfort when the catheter is inserted.
- Duration: The procedure typically takes 30 to 60 minutes to complete.
What to Consider:
- Suitability: The test is suitable for patients with symptoms related to bowel dysfunction, such as chronic constipation or fecal incontinence.
- Preparation: Proper preparation is essential for accurate results, so following pre-test instructions carefully is important.
- Risks: The risks are minimal but may include minor discomfort or temporary irritation.
Other Information:
- Pre-Test Instructions: Patients should follow all preparatory guidelines provided by their healthcare provider to ensure the rectum is properly prepared for the test.
- Patient Education: Patients should be informed about the test's purpose, potential sensations during the procedure, and post-test care instructions.
Rectal manometry is a valuable diagnostic tool for evaluating rectal and anal function, helping to diagnose and manage conditions related to bowel movements and pelvic floor disorders.