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January 9, 2026European Heart Journal - Case ReportsOpen Access

Percutaneous coronary intervention in a patient with 99% coronary artery stenosis restored sinus rhythm without the need for a pacemaker, achieving a stable sinus rate of 70 bpm for one year.

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Key result

Percutaneous coronary intervention in a patient with 99% coronary artery stenosis restored sinus rhythm without the need for a pacemaker, achieving a stable sinus rate of 70 bpm for one year.

Authors

YKYuji KanekoTHTatsuro HitsumotoMTMasato Tada

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Overview

A case report shows reversible sinus node dysfunction due to ischemia in an elderly woman, suggesting careful evaluations before pacemaker implantation.

Key Points

  • To explore the reversibility of sick sinus syndrome caused by sinus node artery ischemia.
  • Case report of an 80-year-old woman with multiple coronary risk factors.
  • Electrocardiography and echocardiography used for cardiac evaluation.
  • Coronary angiography performed due to acute onset of bradycardia and clinical status.
  • Percutaneous coronary intervention conducted on identified stenoses.
  • Patient presented with marked bradycardia and a preserved left ventricular ejection fraction.
  • Coronary angiography revealed significant stenoses in multiple arteries.
  • Sinus rhythm restored during the intervention, and patient remained stable one year later without pacing.

Cite This Study

Kaneko et al. (2025) studied this question. Percutaneous coronary intervention in a patient with 99% coronary artery stenosis restored sinus rhythm without the need for a pacemaker, achieving a stable sinus rate of 70 bpm for one year.

synapsesocial.com/papers/69612feb30ef6c21f6854021https://doi.org/10.1093/ehjcr/ytaf660
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Pregnancy in a Patient With Sick Sinus Syndrome and a Permanent Pacemaker2025
  2. 2Case of a Middle-Aged Woman with Sick Sinus Syndrome and Cor Triatriatum Dexter.2025
  3. 3Subclavian Venous Spasm During Pacemaker Implantation: A Case Report2025
  4. 4Profound vagal hyperreactivity unmasked after pacemaker implantation: a rare indication for cardioneuroablation - a case report2026
  5. 5Preexcited Atrial Fibrillation in an 83-Year-Old Patient with Wolff-Parkinson-White Syndrome: Successful Accessory Pathway Ablation. an Unusual Case Report Due to Age and Literature Review2025