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Related Concept Videos

Cardiomyopathy VII: Pre and Post Operative Nursing Management01:28

Cardiomyopathy VII: Pre and Post Operative Nursing Management

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Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
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Cardiopulmonary Resuscitation IV: Pharmacological Management01:25

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Pharmacologic intervention is crucial in treating cardiac arrest patients during ACLS or Advanced Cardiovascular Life Support. The ACLS algorithms guide the administration of specific drugs based on the patient's cardiac arrest rhythm, which includes pulseless ventricular tachycardia (VT), ventricular fibrillation (VF), asystole, and pulseless electrical activity (PEA).EpinephrineIndication: Epinephrine is the first-line drug for all cardiac arrest rhythms.Mechanism of Action: Epinephrine...
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Cardiac Catheterization IV: Nursing Management01:26

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Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
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Cardiomyopathy V: Interprofessional Care01:29

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Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
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Acute Coronary Syndrome IV: Interprofessional Care01:28

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IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
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Peripheral Artery Disease V: Postoperative Nursing Management01:23

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During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
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Related Experiment Video

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Testing the Efficacy of Pharmacological Agents in a Pericardial Target Delivery Model in the Swine
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Perioperative cardioprotection: back to bedside.

Vincenzo Lionetti1,2, Lucio Barile3,4

  • 1Institute of Life Sciences, Scuola Superiore Sant'Anna, Pisa, Italy - v.lionetti@santannapisa.it.

Minerva Anestesiologica
|December 7, 2019
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Perioperative myocardial infarction (PMI) remains a significant risk in surgery, despite advances. Understanding cardiac cell responses, especially from non-myocyte cells, is key to developing new cardioprotection strategies.

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Area of Science:

  • Cardiology
  • Cardiovascular Surgery
  • Pharmacology

Background:

  • Increasing prevalence of multimorbidity and polypharmacy in surgical patients.
  • Perioperative myocardial infarction (PMI) is a major cause of morbidity and mortality.
  • Current cardioprotective medications show limited effectiveness in large trials.

Purpose of the Study:

  • To analyze recent trials on cardioprotective aids in non-cardiac and cardiac surgery.
  • To review novel cardioprotective targets for surgical patients.
  • To clarify adaptive response pathways of cardiac cells to perioperative injury.

Main Methods:

  • Review of large-scale randomized controlled trials.
  • Analysis of preclinical data on non-myocyte cell involvement.
  • Examination of epigenetic mechanisms in cardiomyocyte survival.

Main Results:

  • Current cardioprotective strategies have demonstrated limited effectiveness.
  • Preclinical data suggest non-myocyte cells play a crucial role in cardiomyocyte survival via epigenetic pathways.
  • Understanding these adaptive responses offers new avenues for cardioprotection.

Conclusions:

  • Novel cardioprotective targets are needed for surgical patients.
  • Epigenetic mechanisms involving non-myocyte cells represent a promising area for future research.
  • Enhanced understanding of cellular adaptive responses can improve perioperative outcomes.