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Related Concept Videos

Endocarditis I: Introduction01:25

Endocarditis I: Introduction

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Introduction:Endocarditis is the infection of the endocardium, the inner lining of the heart and its valves. When the heart muscle is involved, the condition is termed myocarditis, while an infection of the outer lining is called pericarditis. Infective endocarditis (IE) primarily affects the endocardium, where pathogens adhere to the valves or lining, forming vegetation that can lead to severe complications. Infective endocarditis occurs when microorganisms, usually bacteria from other body...
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Endocarditis II: Clinical Features of Infective Endocarditis01:25

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Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
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Endocarditis IV: Nursing Management01:29

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Infective endocarditis (IE) is a chronic infection of the heart's endocardium, primarily affecting the heart valves. A detailed nursing assessment for a patient with IE involves collecting subjective and objective data to ensure an accurate diagnosis and timely intervention.Subjective DataThe nurse gathers information about the patient's symptoms and complaints during the subjective assessment. Patients with infective endocarditis often report non-specific symptoms that can mimic other...
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Endocarditis III: Medical Management01:18

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Infective endocarditis management involves a multifaceted approach encompassing infection prevention, lifestyle modifications, pharmacological therapy, and surgical management.Infection Prevention:Hand Hygiene: Thorough handwashing is crucial to prevent the spread of infection. Hand hygiene should be performed regularly, especially before and after using the restroom.Oral Hygiene: Good oral hygiene is essential. It includes brushing teeth immediately after waking up and before bed, flossing...
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Rheumatic Heart Disease I: Introduction01:23

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Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
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Ischemic Heart Disease: Overview01:17

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Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
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Temporal relationship between infective endocarditis and stroke.

Alexander E Merkler1, Stacy Y Chu2, Michael P Lerario2

  • 1From the Department of Neurology (A.E.M., M.P.L., B.B.N., H.K.) and Feil Family Brain and Mind Research Institute (B.B.N., H.K.), Weill Cornell Medical College, New York, NY; and Department of Neurology (S.Y.C.), Yale School of Medicine, New Haven, CT. alm9097@nyp.org.

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Summary

Stroke risk significantly increases around infective endocarditis (IE) diagnosis, starting months before and continuing afterward. This heightened risk period for stroke associated with IE is longer than previously understood.

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Area of Science:

  • Cardiology
  • Neurology
  • Infectious Diseases

Background:

  • Stroke is a common complication of infective endocarditis (IE).
  • The precise timing of stroke risk relative to IE diagnosis remains unclear.

Purpose of the Study:

  • To investigate the temporal relationship between infective endocarditis and stroke.
  • To quantify stroke risk in the months preceding and following IE diagnosis.

Main Methods:

  • Retrospective analysis of adult patients hospitalized with IE.
  • Utilized diagnosis codes to identify strokes (ischemic/hemorrhagic) within a 12-month window around IE diagnosis.
  • Compared stroke odds during specific periods to a baseline risk from 2 years prior.

Main Results:

  • A significant increase in stroke risk was observed starting 4 months before IE diagnosis and lasting 5 months after.
  • The highest stroke risk occurred in the month immediately following IE diagnosis, with an odds ratio of 96.5.
  • This represents an absolute risk increase of 9.1% in the month post-IE diagnosis.

Conclusions:

  • The association between IE and stroke extends beyond the immediate diagnosis period.
  • Heightened stroke risk is evident months before and after IE diagnosis, indicating a prolonged vulnerable period.
  • Findings suggest a need for closer monitoring for stroke in patients with IE, even before and long after diagnosis.