Gastrointestinal Strictureplasty Techniques
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Questions and Answers

What is the likelihood of free perforation in patients with CD?

  • Around 5%
  • More than 15%
  • Approximately 10%
  • Less than 1% (correct)

What is the usual indication for urgent operation in cases of free perforation in CD?

  • Surgical resection with exteriorization (correct)
  • Antibiotic therapy
  • Nonoperative management
  • Percutaneous drainage

How is the diagnosis of free perforation in CD confirmed?

  • Identifying a sudden change in the patient's symptoms
  • Endoscopy and biopsy
  • Plain x-rays or CT scan showing free intraperitoneal air (correct)
  • Developing the physical findings of peritonitis

What is the consequence of successful drainage of an abscess in cases where a fistula persists?

<p>Continued surgical resection (C)</p> Signup and view all the answers

What complication is likely to result from percutaneous drainage of an abscess?

<p>Enterocutaneous fistula (D)</p> Signup and view all the answers

What is the main indication for urgent operation in the case of free perforation in patients with Crohn's disease?

<p>Resection of the diseased segment and exteriorization of the proximal bowel (B)</p> Signup and view all the answers

Why is the index of suspicion for perforation higher in immunocompromised patients?

<p>Immunosuppressants blunt the physical findings of acute perforation (A)</p> Signup and view all the answers

Why is creation of a primary anastomosis with a proximal protecting loop ileostomy avoided in free perforation cases?

<p>It carries a high risk of anastomotic breakdown (A)</p> Signup and view all the answers

How is the diagnosis of free perforation confirmed?

<p>By identifying free intraperitoneal air as demonstrated on plain x-rays or CT scan (D)</p> Signup and view all the answers

What is the rare complication of Crohn's disease occurring in less than 1% of patients?

<p>Free perforation (C)</p> Signup and view all the answers

What is the result of the inflammatory response around the advancing sinus tract?

<p>Adhesion to surrounding structures (B)</p> Signup and view all the answers

What is the main characteristic of a stricturing pattern of Crohn's disease?

<p>Partial or complete intestinal obstruction (B)</p> Signup and view all the answers

What is typically accompanied by a degree of stricture formation in perforating Crohn's disease?

<p>Fistula or abscess formation (C)</p> Signup and view all the answers

What is uncommon due to the inflammatory response around the advancing sinus tract in perforating Crohn's disease?

<p>Free perforation with spillage of intestinal contents (C)</p> Signup and view all the answers

What dominates the clinical picture in cases of perforating Crohn's disease?

<p>Fistula or abscess formation (D)</p> Signup and view all the answers

What is the characteristic feature of the perforating pattern of Crohn's disease?

<p>Development of sinus tracts, fistulae, and abscesses (D)</p> Signup and view all the answers

How do patients with a perforating pattern of Crohn's disease typically present?

<p>Primarily with obstructive symptoms (C)</p> Signup and view all the answers

Which of the following is NOT a feature of the perforating pattern of Crohn's disease?

<p>Absence of fibrotic scar tissue (B)</p> Signup and view all the answers

What is the primary consequence of the sinus tracts in the perforating pattern of Crohn's disease?

<p>Development of abscesses (D)</p> Signup and view all the answers

Which therapeutic option is often required for patients with a perforating pattern of Crohn's disease?

<p>Surgical intervention (A)</p> Signup and view all the answers

Why should primary closure of perforation not be attempted in the case of diseased bowel?

<p>Sutures cannot approximate the edges of the perforated, edematous, and diseased bowel in a satisfactory and tension-free way. (A)</p> Signup and view all the answers

What effect does distal intestinal stenosis or partial obstruction have on primary closure of perforation?

<p>It causes an increase in the intraluminal pressure at the level of the local repair with subsequent dehiscence. (B)</p> Signup and view all the answers

Why is elective resection of areas of Crohn's disease recommended in cases of bleeding from the small bowel?

<p>The risk of recurrent bleeding is high. (D)</p> Signup and view all the answers

What is a suggested risk factor for small bowel adenocarcinoma in patients with Crohn's disease?

<p>Long-standing disease (C)</p> Signup and view all the answers

Why is the diagnosis of adenocarcinoma of the small bowel difficult in patients with Crohn's disease?

<p>Symptoms and radiographic findings can be similar to those of the underlying CD. (B)</p> Signup and view all the answers

What is the most commonly performed strictureplasty for short segment strictures of 2­-5 cm in length?

<p>Heinecke­-Mikulicz strictureplasty (B)</p> Signup and view all the answers

What type of strictureplasty can be used for strictures up to 15 cm in length?

<p>Finney strictureplasty (D)</p> Signup and view all the answers

What is the potential risk associated with a very long Finney strictureplasty?

<p>Functional bypass resulting in bacterial overgrowth (C)</p> Signup and view all the answers

What should be examined closely during the Heinecke­-Mikulicz strictureplasty to rule out an uncommon complication?

<p>Malignancy (C)</p> Signup and view all the answers

In essence, what kind of functional anastomosis is the Finney strictureplasty?

<p>Short side­-to­-side functional anastomosis (C)</p> Signup and view all the answers

What is the best indirect evidence for the presence of an enterovesical fistula as noted on CT scan?

<p>Presence of air within the bladder (A)</p> Signup and view all the answers

What is the controversy regarding surgical treatment of ileovesical fistulae?

<p>The necessity for surgery (D)</p> Signup and view all the answers

What is the primary surgical requirement for the treatment of ileovesical fistulae?

<p>Resection of the ileal disease (D)</p> Signup and view all the answers

Where do most ileovesical fistulas usually occur in the bladder?

<p>Near the dome (B)</p> Signup and view all the answers

What is the reason for continuing decompression of the bladder postoperatively with a Foley catheter?

<p>To reduce the risk of bladder dehiscence (C)</p> Signup and view all the answers

What is the purpose of a postoperative cystogram following surgical repair of a bladder defect?

<p>To assess for leakage from the bladder repair (C)</p> Signup and view all the answers

In which patients do enterovaginal and enterocutaneous fistulas typically occur?

<p>Patients with previous hysterectomy (B)</p> Signup and view all the answers

What is a potential risk associated with enterovesical fistulas if left untreated?

<p>Progressive deterioration in renal function (B)</p> Signup and view all the answers

What does air within the bladder, as noted on CT scan, often indicate?

<p>Presence of an ileovesical fistula (B)</p> Signup and view all the answers

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