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Related Concept Videos

Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

32
Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
32
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

41
Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
41
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

24
IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
24
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

36
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...
36
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

16
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...
16
Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

20
Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
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Updated: Aug 9, 2025

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Refractory diffuse coronary artery spasm post aortic valve replacement.

Ayako Nagasawa1, Shuichi Okonogi1, Satoshi Ohki1

  • 1Department of Cardiovascular Surgery, Isesaki Municipal Hospital, Isesaki, Japan.

Interdisciplinary Cardiovascular and Thoracic Surgery
|February 21, 2023
PubMed
Summary

Postoperative coronary artery spasm is a rare complication after valve replacement. This case highlights a fatal instance refractory to prompt intracoronary vasodilator therapy, emphasizing the need for further research into such critical cardiac events.

Keywords:
Aortic valve replacementCoronary spasmPerioperative myocardial infarction

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Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Vascular Medicine

Background:

  • Postoperative coronary artery spasm is an infrequent complication following cardiac valve replacement surgery.
  • This condition can lead to significant hemodynamic instability and myocardial ischemia.

Purpose of the Study:

  • To report a rare case of refractory coronary artery spasm after aortic valve replacement.
  • To discuss the management and outcome of this critical postoperative complication.

Main Methods:

  • A 64-year-old male patient underwent aortic valve replacement.
  • Following surgery, the patient developed hypotension and ST-segment elevation, indicative of coronary artery spasm.
  • Coronary angiography revealed diffuse three-vessel coronary artery spasm.
  • Intracoronary infusion of vasodilators (isosorbide nitrate, nicorandil, sodium nitroprusside hydrate) was administered promptly.

Main Results:

  • Despite rapid intracoronary vasodilator therapy, the coronary artery spasm was refractory to treatment.
  • The patient experienced persistent low cardiac function and subsequently developed pneumonia.
  • The patient ultimately died due to complications arising from prolonged low cardiac function and pneumonia.

Conclusions:

  • While prompt intracoronary vasodilator infusion is generally considered effective for coronary artery spasm, this case demonstrates a refractory presentation.
  • This case underscores the potential for severe, untreatable outcomes even with aggressive therapeutic interventions for postoperative coronary artery spasm.
  • Further investigation into the mechanisms and management strategies for refractory coronary artery spasm post-valve replacement is warranted.