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Tachycardia-Induced Cardiomyopathy As a Chronic Heart Failure Model in Swine

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Mediastinal haematoma following permanent pacemaker insertion.

Ashishpreet Singh¹, Navdeep Singh Dhillon¹, Suraj Kumar¹

¹Cardiology, All India Institute of Medical Sciences Bathinda, Bathinda, Punjab, India.

BMJ Case Reports

|June 13, 2025

Summary

Mediastinal hematoma is a rare complication after permanent pacemaker insertion (PPI). Conservative management of this venous injury led to symptom improvement and hematoma resolution in a patient.

Keywords:

Interventional cardiology Pacing and electrophysiology Radiology (diagnostics)

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Area of Science:

Cardiology
Medical Complications
Surgical Case Reports

Background:

Mediastinal hematoma is a rare but serious complication following permanent pacemaker insertion (PPI).
Iatrogenic venous injury during PPI can lead to mediastinal hematoma formation.
Prompt recognition and management are crucial for favorable outcomes.

Purpose of the Study:

To report a case of mediastinal hematoma following permanent pacemaker insertion.
To highlight the importance of conservative management for this complication.
To emphasize clinical vigilance for early detection and intervention.

Main Methods:

Case report of a woman in her 60s with complete heart block.
Diagnosis of mediastinal hematoma confirmed via radiological investigations.
Conservative management approach employed for the patient.

Main Results:

The patient developed respiratory distress post-PPI, attributed to a large mediastinal hematoma.
Conservative management resulted in gradual symptom improvement.
Radiological follow-up confirmed the resolution of the mediastinal hematoma.

Conclusions:

Mediastinal hematoma post-PPI, likely from venous injury, can be managed conservatively with good prognosis.
Vigilance for this rare complication is essential for timely intervention.
This case underscores the effectiveness of prompt recognition and conservative treatment.