Miyokard Enfarktüsünün Sıçan Modelinde Hedefli ve Güvenilir İntramiyokardiyal Kök Hücre Dağıtımı için Ekokardiyografi Kılavuzluğunda Enjeksiyon

Overview

This article details an optimized protocol for echocardiography-guided intramyocardial injections in rat models of myocardial infarction using a 29 G x 88 mm needle. This technique ensures robust, precise, and reproducible delivery of therapeutic agents directly into the peri-infarct zone.

Key Study Components

Area of Science

• Neuroscience
• Cardiology
• Animal Models

Background

• Myocardial infarction is a critical condition requiring effective treatment strategies.
• Intramyocardial injections can enhance therapeutic delivery.
• Echocardiography provides real-time imaging for guiding injections.
• Optimizing injection protocols is essential for reproducibility and efficacy.

Purpose of Study

• To develop a reliable method for delivering therapeutic agents in myocardial infarction models.
• To ensure precision in targeting the peri-infarct zone.
• To enhance the reproducibility of intramyocardial injections.

Methods Used

• Application of ophthalmic gel to prevent eye dryness in anesthetized rats.
• Disinfection of the injection site using surgical scrub and ethanol.
• Use of ultrasound imaging for baseline anatomical and functional assessment.
• Monitoring of body temperature during the procedure.

Main Results

• The protocol allows for accurate imaging and targeting of the injection site.
• Robust delivery of agents was achieved with minimal complications.
• Enhanced signal quality was noted with the use of electrode gel.
• Continuous temperature monitoring contributed to animal welfare during the procedure.

Conclusions

• The optimized protocol improves the efficacy of intramyocardial injections.
• Real-time imaging is crucial for successful therapeutic delivery.
• This method can be adapted for various therapeutic agents in future studies.

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