How Long Does a Small Bowel Endoscopy Take?

A small bowel endoscopy (SBE) is a specialized procedure used to visualize the small intestine, which is too long for standard upper or lower endoscopy. The small bowel extends from the stomach to the large intestine. SBE is often performed to investigate issues like obscure gastrointestinal bleeding or Crohn’s disease. The total time commitment varies significantly, depending on whether capsule or scope technology is used. This article details the full timeline, from preparation to the final delivery of results.

Preparing for a Small Bowel Endoscopy

The timeline for a small bowel endoscopy begins with preparation, focusing on cleansing the digestive tract for a clear view. Patients must begin a strict clear liquid diet the day before the exam, avoiding all solid foods. This dietary restriction helps reduce residue that could obscure the camera’s view.

A bowel cleansing regimen is also necessary, often involving a laxative or a preparation solution similar to those used for a colonoscopy. This preparation ensures the small bowel mucosa is adequately visible. A strict fasting period is usually enforced, requiring the patient to refrain from all food and drink for approximately 12 hours leading up to the scheduled procedure. The preparation phase dictates a patient’s schedule for a full 24-hour period before the actual procedure.

Procedure Duration: Capsule vs. Deep Enteroscopy

The time spent actively undergoing SBE is highly variable, split between passive recording (VCE) and an active, sedated procedure (Deep Enteroscopy). Video Capsule Endoscopy (VCE) involves the patient swallowing a pill-sized device containing a tiny camera, which takes only a few minutes. The functional duration of the test, during which the capsule transmits images to a recorder worn on a belt, typically lasts for 8 to 12 hours.

During VCE, the patient is mobile and can generally go about their daily activities while the device travels through the digestive tract. In contrast, a Deep Enteroscopy (e.g., double-balloon or single-balloon enteroscopy) is an invasive procedure requiring sedation. The actual scoping time, where the doctor advances a long, flexible endoscope, usually ranges from one to three hours. This duration depends on the depth of insertion and whether therapeutic interventions, such as taking biopsies or cauterizing a bleeding site, are performed. The total time in the procedure room also includes 30 to 45 minutes for initial setup and administering the sedative.

Post-Procedure Recovery and Results Timeline

The timeline following SBE depends heavily on the method used, particularly regarding recovery from sedation. Following a Deep Enteroscopy, the patient is moved to a recovery area for close monitoring until the sedative effects wear off. This mandatory observation period typically lasts between one and two hours. The patient is then discharged with the instruction not to drive or operate machinery for the next 24 hours.

Recovery for a Capsule Endoscopy is simpler since no sedation is involved, and the patient can resume normal activities immediately. The patient usually returns the data recorder to the clinic the following day, and the capsule passes naturally a few days later. Regardless of the procedure type, results are not immediate. The thousands of images captured by the capsule must be reviewed by a specialist, which can take several days to a week. If biopsies were taken during a deep enteroscopy, tissue analysis may require an additional three to seven days for a complete pathology report.