Question 1

What is ERCP and when is it needed?

Accepted Answer

ERCP (endoscopic retrograde cholangiopancreatography) is a procedure that combines endoscopy with X-ray imaging to diagnose and treat biliary and pancreatic conditions. It is indicated for bile duct stones, obstructive jaundice, biliary strictures, and acute cholangitis.

Question 2

What is endoscopic ultrasound (EUS)?

Accepted Answer

Endoscopic ultrasound (EUS) combines endoscopy with high-frequency ultrasound to obtain detailed images of the digestive tract walls and adjacent structures (pancreas, bile ducts, lymph nodes). It also allows tissue sampling through guided biopsy (FNA/FNB).

Question 3

How do I prepare for an endoscopic procedure?

Accepted Answer

Preparation depends on the type of procedure. Generally, you need to fast for at least 8 hours. For colonoscopy, bowel preparation is required 1–2 days before. You should inform the doctor about all medications, especially anticoagulants. Specific details will be discussed during the preliminary consultation. Complete colonoscopy preparation instructions →

Question 4

Is a referral from my family doctor needed?

Accepted Answer

For the University Emergency Hospital Bucharest (SUUB), a referral from your family doctor or primary care physician is required. For Ponderas Academic Hospital (Regina Maria network), no referral is needed — you can schedule directly through the online platform.

Question 5

How long does an endoscopic procedure take?

Accepted Answer

The duration varies by procedure type. A standard gastroscopy takes 5-10 minutes, a colonoscopy 20-40 minutes, ERCP 30-60 minutes, and EUS 20-45 minutes. These are approximate times and may vary depending on clinical findings and necessary therapeutic interventions.

Question 6

What happens after an endoscopic procedure?

Accepted Answer

After the procedure, you will be monitored in a recovery area until the sedation effects wear off. You should not drive for 24 hours. Diet is gradually resumed according to doctor's instructions. If you experience severe abdominal pain, fever, or bleeding, seek emergency medical attention.

Question 7

What complications can occur after ERCP and how are they managed?

Accepted Answer

The most common complications after ERCP include post-procedural acute pancreatitis (3–5% of cases), bleeding after sphincterotomy, and rarely, perforation. The risk depends on the complexity of the procedure and the patient's individual anatomy.Post-ERCP pancreatitis is usually mild and resolves within 2–3 days with conservative treatment (intravenous hydration, fasting, analgesics). Bleeding is generally self-limiting. Perforation requires immediate intervention but occurs exceptionally rarely.An operator experienced in complex interventional procedures significantly reduces the risk of complications. Post-procedural monitoring is standardized and includes a minimum observation period of 2–4 hours.

Question 8

What is biliary obstruction and how is it treated endoscopically?

Accepted Answer

Biliary obstruction occurs when the bile ducts are blocked — most commonly by gallstones, but also by benign or malignant strictures (narrowings). Symptoms include jaundice (yellowing of the skin and eyes), dark urine, pale stools, and itching.Endoscopic treatment through ERCP allows stone extraction, stricture dilation, and stent placement (small tubes that keep the duct open). The procedure is minimally invasive, avoiding surgery in most cases.In complex cases — large, impacted, or multiple stones — advanced techniques such as mechanical lithotripsy or repeated ERCP sessions may be necessary.

Question 9

What is the difference between diagnostic and interventional endoscopy?

Accepted Answer

Diagnostic endoscopy aims to visualize the digestive tract and possibly obtain biopsies. It includes gastroscopy (EGD) and colonoscopy — routine procedures, frequently performed on an outpatient basis.Interventional endoscopy goes beyond diagnosis: it enables active treatment of pathologies. It includes ERCP (bile duct stone extraction, stent placement), endoscopic ultrasound with fine-needle aspiration biopsy (EUS-FNA), advanced polypectomy, stricture dilation, and endoscopic hemostasis.Interventional procedures require additional operator training and specialized equipment. Not all centers or endoscopists perform complex interventional procedures.

Question 10

When is endoscopic ultrasound (EUS) indicated instead of other imaging investigations?

Accepted Answer

EUS provides high-resolution images of the digestive wall and adjacent organs (pancreas, bile ducts, lymph nodes) from a distance of millimeters. This gives it superior sensitivity compared to CT or MRI for small lesions (<2 cm).EUS is particularly indicated for: evaluation and staging of pancreatic tumors, guided biopsy of pancreatic masses or suspicious lymph nodes, investigation of bile duct dilation without an obvious cause on CT/MRI, evaluation of submucosal digestive lesions, and staging of esophageal or rectal cancer.The decision between EUS and other investigations is made in clinical context — typically, EUS complements conventional imaging rather than replacing it.

Question 11

What is EUS-FNA biopsy and how accurate is it?

Accepted Answer

EUS-FNA (Fine Needle Aspiration) allows tissue sampling from a lesion located in the pancreas, lymph nodes, or digestive wall, under real-time ultrasound guidance. A fine needle is passed through the wall of the esophagus, stomach, or duodenum directly into the target lesion.Diagnostic sensitivity for solid pancreatic masses is approximately 85–95%, depending on lesion size and operator experience. For pancreatic cystic lesions, fluid can be obtained for biochemical and cytological analysis.The procedure has a good safety profile, with a complication risk below 1–2%. The histopathological result is essential for oncological treatment planning.

Question 12

How is an incidentally discovered pancreatic mass evaluated?

Accepted Answer

Pancreatic masses discovered incidentally during an imaging investigation (CT, abdominal ultrasound) require systematic evaluation. The first step is usually a contrast-enhanced CT with pancreatic protocol or abdominal MRI.Depending on the imaging characteristics — solid vs. cystic, size, location, presence of ductal dilation — the gastroenterologist determines whether endoscopic ultrasound (EUS) with or without biopsy is needed.Not every pancreatic mass is malignant. Pancreatic cystic lesions are frequently benign but may require long-term monitoring. The approach must be individualized, based on updated international guidelines and multidisciplinary team discussion.

Question 13

How does sedation work for endoscopic procedures?

Accepted Answer

Most endoscopic procedures (gastroscopy, colonoscopy, ERCP, EUS) are performed under sedation for patient comfort. Sedation is administered intravenously by an anesthesiologist who continuously monitors vital functions throughout the procedure.Deep sedation with propofol is most commonly used, allowing a light sleep from which the patient wakes up quickly (10–15 minutes after the procedure). The patient feels no pain and has no memory of the procedure.After sedation, a monitoring period of approximately 1–2 hours is mandatory. The patient is not allowed to drive on the day of the procedure and must be accompanied at discharge.

Question 14

What difference does operator experience make in endoscopic procedures?

Accepted Answer

Operator experience directly influences procedure success rate, lesion detection rate, and complication frequency. This is extensively documented in medical literature.For colonoscopy, the adenoma detection rate (ADR) — a key quality indicator — varies significantly between operators. For ERCP, successful cannulation of the common bile duct on first access is a competency indicator; an experienced endoscopist achieves success rates above 95%.Complex procedures (ERCP with lithotripsy, pancreatic EUS-FNA, advanced polypectomy) require a significant case volume and additional training, usually through an interventional endoscopy fellowship.

Question 15

Are there any risks with colonoscopy?

Accepted Answer

Diagnostic colonoscopy is a safe procedure, with a risk of major complications below 0.1%. The rarest complications include perforation and significant bleeding.The risk increases slightly with polypectomy (polyp removal) but remains below 1%. Post-polypectomy bleeding usually occurs within 24–48 hours and is generally self-limiting.Post-procedure abdominal discomfort (bloating, cramps) is common but temporary, resolving within a few hours. Bowel preparation can be unpleasant but is essential for a quality examination.The benefit of colonoscopy — early detection and prevention of colorectal cancer — far outweighs procedural risks.

Question 16

At what age is colorectal cancer screening recommended?

Accepted Answer

European and American guidelines recommend starting colorectal cancer screening at age 45–50 for average-risk individuals (without relevant family or personal history).Colonoscopy is considered the standard screening method — it allows both detection and removal of adenomatous polyps (precancerous lesions) in a single procedure. The recommended interval between screening colonoscopies is 10 years if the result is normal.Individuals with a family history of colorectal cancer (first-degree relatives) should start screening earlier — usually 10 years before the age at which the family member was diagnosed, or by age 40 at the latest.

Question 17

What should I do if I have persistent digestive symptoms?

Accepted Answer

Digestive symptoms persisting for more than 2–3 weeks — abdominal pain, changes in bowel habits, blood in stool, refractory heartburn, unexplained weight loss, or difficulty swallowing — require medical evaluation.The first step is a consultation with a gastroenterologist, who will assess the symptoms in clinical context, order necessary tests, and decide whether an endoscopic procedure or other imaging investigations are indicated.Delaying consultation for persistent symptoms can delay the diagnosis of treatable conditions. Many digestive pathologies have an excellent prognosis if detected in early stages.

Question 18

Are emergency endoscopic procedures performed?

Accepted Answer

Yes, certain endoscopic procedures have emergency indications. The most common endoscopic emergencies include: upper gastrointestinal bleeding (hematemesis, melena), acute cholangitis (infection of obstructed bile ducts), and foreign body ingestion.Gastrointestinal bleeding requires emergency endoscopy within the first 12–24 hours of presentation, for source identification and endoscopic hemostasis. Acute cholangitis with biliary obstruction requires emergency ERCP for biliary drainage.Emergency endoscopic procedures are performed in hospital centers equipped with intensive care and 24/7 anesthesia teams. Elective consultation scheduling does not include emergency procedures.

Question 19

What tests are needed before an endoscopic procedure?

Accepted Answer

Standard tests required before an endoscopic procedure usually include: complete blood count, coagulation panel (INR, APTT, fibrinogen), blood glucose, and depending on context, creatinine and blood type.Patients on anticoagulant therapy (warfarin, rivaroxaban, apixaban, dabigatran) or antiplatelet therapy (aspirin, clopidogrel, ticagrelor) need specific instructions regarding temporary adjustment or discontinuation of medication. These decisions are made in consultation with the gastroenterologist and, if necessary, the cardiologist.For complex procedures (ERCP, EUS with biopsy), additional investigations may be needed: abdominal CT, MR cholangiopancreatography (MRCP), or recent abdominal ultrasound.

Question 20

What are the advantages of interventional endoscopy over surgery?

Accepted Answer

Interventional endoscopy offers a minimally invasive alternative to surgery for numerous digestive pathologies. The main advantages include: no surgical incisions, significantly reduced hospital stay, rapid recovery, and resumption of normal activities within 24–48 hours in most cases.Specific examples: common bile duct stones are treated through ERCP (without emergency cholecystectomy), colonic polyps are resected endoscopically (avoiding surgery), and biliary strictures are drained by placing endoscopic stents.Not all pathologies can be resolved endoscopically. The decision between endoscopic and surgical approaches is made based on clinical criteria and, ideally, in a multidisciplinary discussion (gastroenterologist, surgeon, oncologist).

Question 21

Can I get a second opinion for my gastroenterological diagnosis?

Accepted Answer

Yes, requesting a second medical opinion is a patient's right and a recommended practice, especially for complex diagnoses or when a major intervention is being considered. It is not disrespectful to the treating physician — it is a responsible approach.For a useful second opinion, it is important to bring complete medical documentation: imaging investigation results (CT, MRI, ultrasound — ideally on CD/USB), recent laboratory tests, histopathological results, and the medical letter from the treating physician.The second opinion consultation can be scheduled as a regular consultation and includes document review, clinical evaluation, and therapeutic recommendations.

Question 22

What is cholangitis and why does it require emergency intervention?

Accepted Answer

Acute cholangitis is an infection of the bile ducts, usually caused by obstruction of bile flow — most commonly by common bile duct stones. It presents with the classic triad: fever with chills, jaundice, and abdominal pain (Charcot's triad).It is a medical emergency because, without biliary drainage, the infection can rapidly progress to sepsis (generalized infection) with organ failure. The mortality of untreated cholangitis is significant.The standard treatment is emergency ERCP (within the first 24–48 hours) for biliary drainage — extraction of the obstructing stone and/or placement of a biliary stent, combined with intravenous antibiotic therapy. Endoscopic drainage is preferred over surgical or percutaneous drainage due to its efficacy and reduced invasiveness.

Dr. Alexandru
Constantinescu

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Hepatobiliary, pancreatic and digestive pathology

Gastritis and gastric ulcer — symptoms, diagnosis and treatment

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Dr. AlexandruConstantinescu

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