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Related Concept Videos

Gastric Motility01:16

Gastric Motility

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Gastric motility is the coordinated contraction and relaxation of stomach muscles that convert ingested food into chyme, a semi-liquid substance ready for further digestion in the intestines. The process begins with the vagus nerve inducing the relaxation of the smooth muscles in the fundus and body of the stomach, allowing these regions to expand and accommodate up to approximately 1.5 liters of food and liquid.
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Gastric emptying occurs when the stomach gradually releases chyme into the duodenum. When the stomach is distended, it triggers the release of gastrin, a hormone that promotes gastric acid secretion to aid in digestion. Additionally, stomach distension contributes to peristaltic waves that propel gastric contents toward the pyloric region. The gastroenteric reflex, on the other hand, primarily stimulates peristalsis in the intestines, facilitating the movement of contents further along the...
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Aneurysm I: Introduction01:30

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An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
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The gastric phase of digestion begins as soon as food enters the stomach. The incoming food bolus triggers neural and hormonal mechanisms, which last approximately 3 to 4 hours. During this phase, the stomach undergoes significant changes to prepare the food for further digestion and absorption.
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Aneurysm IV: Nursing Management01:22

Aneurysm IV: Nursing Management

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Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
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Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

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Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
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Related Experiment Video

Updated: Feb 2, 2026

Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit
06:11

Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit

Published on: May 14, 2020

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Posterior Gastric Artery Aneurysm.

Miguel Lemos Gomes1,2, Alice Lopes1,2, Gonçalo Sobrinho1,2,3

  • 1Vascular Surgery - Heart and Vessels Department, Hospital de Santa Maria (CHLN), Lisbon, Portugal.

EJVES Short Reports
|November 15, 2018
PubMed
Summary

A rare case of posterior gastric artery aneurysm was successfully treated with coil embolisation. This endovascular technique offers a safe and effective option for managing these potentially life-threatening abdominal vessel aneurysms.

Keywords:
CoilEmbolisationEndovascular procedurePosterior gastric aneurysmVisceral aneurysm

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Fluorescence Angiography for Evaluation of Aneurysm Perfusion and Parent Artery Patency in Rat and Rabbit Aneurysm Models
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Microsurgical Venous Pouch Arterial-Bifurcation Aneurysms in the Rabbit Model: Technical Aspects
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Microsurgical Venous Pouch Arterial-Bifurcation Aneurysms in the Rabbit Model: Technical Aspects
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Area of Science:

  • Vascular Surgery
  • Interventional Radiology

Background:

  • Aneurysms of small abdominal vessels are rare but can lead to fatal rupture.
  • Accessory arteries, though small, pose significant risks when aneurysmal.

Observation:

  • A case of a 66-year-old female with a posterior gastric artery aneurysm is presented.
  • Coil embolisation was performed as the treatment modality.

Findings:

  • The computed tomography angiogram at six months confirmed successful exclusion of the aneurysm.
  • The endovascular technique demonstrated safety and applicability.

Implications:

  • This rare aneurysm should be considered in the differential diagnosis of gastrointestinal bleeding.
  • Endovascular embolisation is likely the optimal treatment for such aneurysms.