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Published on: December 18, 2016
Cryptogenic Stroke And Role Of Loop Recorder
Jordi PérezRodon1, Jaume FranciscoPascual1, Nuria RivasGándara1
1Department of Cardiology, Hospital Universitari Vall d'Hebrón, Universitat Autònoma de Barcelona, Spain.
Insights
Detecting atrial fibrillation (AF) is crucial for cryptogenic stroke patients, as untreated AF increases disability and death risks. This review focuses on cardiac monitoring, particularly loop recorders, for identifying asymptomatic or paroxysmal AF.
Area of Science:
- Cardiology
- Neurology
- Medical Diagnostics
Background:
- Ischemic stroke poses significant morbidity and mortality risks.
- Atrial fibrillation (AF) is a key cause of ischemic stroke, leading to worse outcomes and recurrence without treatment.
- Detecting asymptomatic or paroxysmal AF is challenging but vital for stroke management.
Approach:
- This review synthesizes various cardiac monitoring techniques for AF detection in cryptogenic stroke.
- Emphasis is placed on the utility and application of implantable loop recorders.
- The review evaluates methods for identifying underlying AF in strokes of unknown origin.
Key Points:
- Atrial fibrillation-related strokes have a higher risk of disability and death.
- Anticoagulation is essential to prevent recurrent AF-related strokes.
- Loop recorders offer prolonged monitoring for intermittent arrhythmias like AF.
Conclusions:
- Effective cardiac monitoring is essential for diagnosing AF in cryptogenic stroke patients.
- Loop recorders are a valuable tool for detecting elusive atrial fibrillation.
- Timely AF detection facilitates appropriate anticoagulation and stroke prevention strategies.
Abstract:
Ischemic stroke is an important cause of morbidity and mortality when untreated. Identifying atrial fibrillation is important because atrial fibrillation ischemic related strokes are associated with an increased risk of disability and death compared with strokes of other etiologies and tend to recur without anticoagulation. However, atrial fibrillation detection can be difficult when it is asymptomatic and paroxistic and may be the underlying cause of some cryptogenic strokes or strokes of unknown origin. In this review, the different methods of cardiac monitoring to detect atrial fibrillation in patients with cryptogenic stroke are summarized, with a focus on loop recorder monitoring.

