15:44

In this Romanian interview, gastroenterologist Prof. Dr. Lucian Negreanu discusses colonoscopy in depth, addressing common misconceptions, modern preparation methods, sedation practices, and procedural details. He explains that the old myth of fasting for four hours before anesthesia is outdated; today most centers use conscious sedation and split‑dose bowel cleansing that is more palatable and requires less fluid. Screening age is traditionally 45‑50, but risk stratification (family history, obesity, smoking) can lower the threshold, and rare cases of advanced adenomas have been found in teenagers. The doctor emphasizes the critical role of proper bowel preparation—low‑fiber diet the day before, use of polyethylene‑glycol (PEG) or sodium‑sulfate/magnesium‑based solutions with electrolytes, and timing the last dose about five hours before the procedure to avoid residual secretions. He describes the sedation process, noting that patients are deeply sedated but not under general anesthesia, and that fasting rules are enforced to prevent aspiration. The interview covers the endoscope’s length (1.2‑1.6 m), advanced imaging features, and AI modules that highlight polyps, improving detection rates. Procedural workflow is outlined: insertion, inspection, polyp removal or biopsy, and a mandatory withdrawal time of at least six minutes. He mentions when to stop the exam, refer to higher‑volume centers, and how complications such as perforation are minimized by good prep. Finally, practical advice for patients is given—how to schedule the exam, what to drink, what to expect post‑procedure, and reassurance that modern colonoscopy is safe, effective, and far less uncomfortable than older practices.

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