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Related Concept Videos

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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Temperature Measurement Sites01:14

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A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
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Assessing Body Temperature - Temporal Artery01:19

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Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
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A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...
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Related Experiment Video

Updated: Mar 16, 2026

Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
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Optimal temperature management in aortic arch operations.

Michael O Kayatta1, Edward P Chen2

  • 1Division of Cardiothoracic Surgery, Emory University School of Medicine, Atlanta, USA.

General Thoracic and Cardiovascular Surgery
|August 10, 2016
PubMed
Summary
This summary is machine-generated.

Deep hypothermic circulatory arrest protects organs during aortic arch surgery but causes complications. Moderate hypothermia with brain perfusion offers a safer alternative for complex aortic arch operations.

Keywords:
Aortic arch surgeryCerebral perfusionCirculatory arrestHypothermiaTemperature management

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Area of Science:

  • Cardiovascular Surgery
  • Neurosurgery
  • Organ Preservation

Background:

  • Aortic arch surgery requires hypothermic circulatory arrest (HCA) for safe reconstruction.
  • Deep HCA, while protective, is linked to significant neurological and organ dysfunction complications.
  • Previous attempts like retrograde cerebral perfusion showed limited success in mitigating these risks.

Purpose of the Study:

  • To review the evolution of cerebral protection strategies in aortic arch surgery.
  • To compare the efficacy and drawbacks of different hypothermia and perfusion techniques.
  • To discuss the shift towards moderate hypothermia combined with brain perfusion.

Main Methods:

  • Review of existing literature on hypothermic circulatory arrest and cerebral perfusion techniques.
  • Analysis of surgical advancements and complication rates associated with different strategies.
  • Discussion of the transition from deep to moderate hypothermia in aortic arch procedures.

Main Results:

  • Deep HCA provides a safe surgical window but incurs high risks of stroke, paraplegia, and organ dysfunction.
  • Selective antegrade cerebral perfusion is more effective than deep HCA alone for neurological protection.
  • Moderate HCA combined with brain perfusion has emerged as a safe approach, reducing bypass times and associated morbidities.

Conclusions:

  • Cerebral protection strategies in aortic arch surgery have evolved significantly.
  • Moderate hypothermic circulatory arrest with adjunctive brain perfusion is a safe and effective alternative to deep HCA.
  • Further understanding of these evolving techniques is crucial for improving patient outcomes in complex aortic arch operations.