In which of the following areas does Curling's ulcer occur in patients with extensive burns?

NHM UP Staff Nurse-2023 Shift-2nd

Medical & Surgical Nursing

Easy

Appeared in: NHM UP Staff Nurse-2023 Shift-2nd

Explanation

A Curling's ulcer is a specific type of acute stress ulcer associated with severe burns.
The underlying cause is hypovolemia and splanchnic vasoconstriction, which leads to ischemic injury of the gastrointestinal mucosa.
The classic and most common location for a Curling's ulcer is the proximal duodenum (the first part of the small intestine).
This is due to the vulnerability of the duodenal mucosa to ischemic damage and subsequent erosion by gastric acid.

Option B: Ulcers in the oral mucosa are typically caused by local factors such as viral infections (e.g., herpes simplex), bacterial infections, trauma, or autoimmune conditions like aphthous stomatitis, not by systemic stress from burns.
Option C: Esophageal ulcers are most commonly associated with gastroesophageal reflux disease (GERD). While they can be seen as part of a Cushing's ulcer complex (related to brain injury), they are not the characteristic site for a Curling's ulcer.
Option D: While acute stress ulcers can occur in the stomach, the specific eponym 'Curling's ulcer' refers to ulcers in the duodenum. Stress ulcers in the stomach are more classically associated with Cushing's ulcers, which result from brain injuries and cause gastric acid hypersecretion.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pathophysiology and location of stress-related gastrointestinal ulcers, specifically Curling's ulcer as background academic context rather than a clinical decision trigger.
Nurses caring for patients with extensive burns must be vigilant for signs of gastrointestinal bleeding, such as hematemesis (vomiting blood) or melena (black, tarry stools), which can indicate a Curling's ulcer.
Prophylactic administration of medications like proton pump inhibitors (e.g., pantoprazole) or H2-receptor antagonists (e.g., ranitidine) is a standard nursing intervention in intensive care to prevent the formation of stress ulcers in high-risk patients, including those with severe burns.
What if? If the patient had a severe head injury instead of burns, the nurse would anticipate a Cushing's ulcer, not a Curling's ulcer. The location would more likely be the stomach, and the cause would be acid hypersecretion, not ischemia.

How to Approach the Question

First, identify the key terms in the question: 'Curling's ulcer' and 'extensive burns'.
This is a factual recall question that tests your knowledge of a specific medical eponym.
Recall the definition of a Curling's ulcer and its direct association with the physiologic stress of major burns.
Differentiate this from other types of GI ulcers. Specifically, contrast it with a Cushing's ulcer, which is related to head trauma and has a different location and mechanism.
Evaluate the options based on the classic anatomical location described for a Curling's ulcer.
Select the option that correctly identifies the duodenum as the primary site.

Concept Tested & Keywords

Concept Tested: Pathophysiology and location of stress-related gastrointestinal ulcers, specifically Curling's ulcer.
Stem keywords: Curling's ulcer, extensive burns
Lead-in keywords: In which of the following areas

Q38OBWQhg77fxc1RMe9hRs

E6 PATHOLOGY QUICK REVIEWBased on Harsh Mohan Textbook of PATHOLOGY p. 143-145

E6 Pathology- ROBBINS & COTRAN PATHOLOGIC BASIS OF DISEASE 10TH Ed p. 767-769

E6 Medicine Harrison 22e Part 1 p. 304-306