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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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Regulation of Stroke Volume01:27

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The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
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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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Aneurysm IV: Nursing Management01:22

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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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Cardiac output (CO), the amount of blood the heart pumps per minute, is a parameter in cardiovascular physiology determined by stroke volume and heart rate. Stroke volume, the amount of blood pushed from one of the ventricles per heartbeat, is influenced by preload, afterload, and contractility.
Preload
Preload refers to the initial elongation of the cardiac myocytes before contraction and is related to the volume of blood filling the heart at the end of diastole, or end-diastolic volume. The...
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A comprehensive nursing assessment is essential for patients with valvular heart disease, which involves any dysfunction of the heart valves that could impact blood flow and overall heart function.Subjective Data Collection:Chief Complaint and Present Illness: Start with the patient's primary concerns, focusing on the onset, duration, and progression of cardiac symptoms such as dyspnea, fatigue, chest pain, and palpitations.Past Medical History: Collect detailed information on any previous...
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Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock
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Accidente cerebrovascular en el soporte del dispositivo de asistencia ventricular pediátrica

Christina VanderPluym1, Ryan Kobayashi1, Michael Rivkin2

  • 1Heart Center, Boston Children's Hospital, Harvard School of Medicine, Boston, MA.

JHLT open
|August 21, 2025
PubMed
Resumen

El accidente cerebrovascular pediátrico en apoyo circulatorio mecánico es una preocupación significativa. Si bien la incidencia ha disminuido, los dispositivos paracorporales muestran tasas de accidente cerebrovascular isquémico más altas que las intracorporales.

Palabras clave:
Enfermedad cardíaca congénitaAccidente cerebrovascular hemorrágicoInfarto isquémicoEn niñosDispositivo de ayuda ventricular

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Área de la Ciencia:

  • Cardiología Pediátrica
  • Neurología
  • Ingeniería biomédica

Sus antecedentes:

  • El accidente cerebrovascular es una complicación importante de la hemocompatibilidad en el soporte del dispositivo de asistencia ventricular (DAV) pediátrico.
  • Se han logrado avances significativos en la reducción de la incidencia de ictus en el apoyo circulatorio mecánico pediátrico (MCS).
  • Las diferencias en la hemocompatibilidad persisten entre los tipos de VAD, con dispositivos paracorporales vinculados a mayores riesgos de accidente cerebrovascular isquémico.

Objetivo del estudio:

  • Revisar el panorama actual de los accidentes cerebrovasculares en apoyo circulatorio mecánico pediátrico.
  • Para discutir la fisiopatología, la incidencia, el diagnóstico y el tratamiento agudo del ictus en esta población.

Principales métodos:

  • Revisión de la literatura centrada en el accidente cerebrovascular pediátrico en los DAV.
  • Análisis de las diferencias de hemocompatibilidad entre los tipos de dispositivos.
  • Examen de la fisiopatología del ictus, tendencias de incidencia, diagnóstico y tratamiento.

Principales resultados:

  • Los dispositivos paracorporales de flujo continuo y pulsátil se asocian con tasas de ictus isquémico más altas en comparación con los dispositivos intracorporales.
  • La investigación en curso tiene como objetivo mitigar aún más los riesgos de accidente cerebrovascular en MCS pediátrico.

Conclusiones:

  • A pesar de los avances, el accidente cerebrovascular sigue siendo una preocupación crítica en los DAV pediátricos.
  • El tipo de dispositivo influye significativamente en el riesgo de accidente cerebrovascular, lo que pone de relieve la necesidad de mejorar la hemocompatibilidad en los sistemas paracorporales.
  • La investigación adicional sobre fisiopatología y manejo es esencial para optimizar los resultados.