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Related Concept Videos

Aneurysm I: Introduction01:30

Aneurysm I: Introduction

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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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Topography involves measuring and mapping land elevations, natural features, and artificial structures to create accurate representations of the terrain. Topographic surveying relies on traditional and modern methods, each with distinct advantages and limitations.Traditional Surveying Methods:Transit stadia surveys and plane table surveys were widely used traditional surveying methods. These techniques relied on instruments like theodolites and stadia rods for measuring distances and angles,...
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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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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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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Related Experiment Video

Updated: Jan 22, 2026

3D Printing Model of a Patient's Specific Lumbar Vertebra
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Obtaining Informed Consent Using Patient Specific 3D Printing Cerebral Aneurysm Model.

Pil Soo Kim1, Chang Hwa Choi1, In Ho Han1

  • 1Department of Neurosurgery and Medical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea.

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|July 11, 2019
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Summary

Patient-specific 3D printed models of intracranial aneurysms significantly improve patient understanding and satisfaction with cerebral aneurysm clipping surgery compared to traditional methods. These realistic models enhance preoperative education and consultation.

Keywords:
Informed consentIntracranial aneurysmPrinting, Three-dimensional

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Area of Science:

  • Neurosurgery
  • Medical Imaging
  • Biomedical Engineering

Background:

  • Three-dimensional (3D) printed models of intracranial vasculature are valuable for surgical simulation and training.
  • Realistic 3D printed aneurysm models can enhance patient comprehension of complex cerebral aneurysm structures.

Purpose of the Study:

  • To create patient-specific 3D printed intracranial aneurysm models for patient education and clinical use.
  • To evaluate the effectiveness of these 3D models in improving patient understanding and satisfaction for aneurysm clipping surgery.

Main Methods:

  • Twenty patients with unruptured intracranial aneurysms were randomized into two groups: 3D printed models (Group I) or computed tomography angiography (Group II) for surgical explanation.
  • 3D models were generated from time-of-flight magnetic resonance angiography using acrylonitrile-butadiene-styrene resin.
  • Patient understanding and satisfaction were assessed via questionnaire post-explanation.

Main Results:

  • 3D printed models accurately replicated patient-specific intracranial aneurysm anatomy.
  • Group I (3D models) demonstrated significantly higher understanding (average score 4.7/5.0) and satisfaction compared to Group II (2.5/5.0).

Conclusions:

  • Patient-specific 3D printed intracranial aneurysm models are accurate and effective tools.
  • These 3D models significantly enhance preoperative patient education and consultation for aneurysm clipping surgery.