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<p>Implantable chemoport (port-a-cath), a long-term venous access device for safe and sterile infusion of chemotherapeutic drugs, has improved cancer patients’ quality of life with low complication rates. The ideal catheter tip positioning is above the pericardial reflection in the distal superior vena cava to decrease arrhythmogenic and thrombogenic complications. We report a case of an appropriately positioned chemoport catheter in a patient who underwent breast conserving surgery, causing new-onset postoperative paroxysmal rhythm disturbances leading to near-fatal syncope and sinus arrest. Postoperative rehabilitation directed at shoulder physiotherapy might have caused chemoport tip movement inducing endocardial irritation. We describe the dilemma and complexity of reasoning out the pathophysiology causing the nodal dysfunction, apart from sensitizing the readers about this under-appreciated complication.</p>

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When Chemoport Short Circuited the Heart: A Case Report of Chemoport Induced Postoperative Refractory Arrhythmia

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • Ashish Bangaari,
  • Thavasimani Abirami,
  • Senthil Kumar Ravichander,
  • Sridev Maheshwari Babu

摘要

Implantable chemoport (port-a-cath), a long-term venous access device for safe and sterile infusion of chemotherapeutic drugs, has improved cancer patients’ quality of life with low complication rates. The ideal catheter tip positioning is above the pericardial reflection in the distal superior vena cava to decrease arrhythmogenic and thrombogenic complications. We report a case of an appropriately positioned chemoport catheter in a patient who underwent breast conserving surgery, causing new-onset postoperative paroxysmal rhythm disturbances leading to near-fatal syncope and sinus arrest. Postoperative rehabilitation directed at shoulder physiotherapy might have caused chemoport tip movement inducing endocardial irritation. We describe the dilemma and complexity of reasoning out the pathophysiology causing the nodal dysfunction, apart from sensitizing the readers about this under-appreciated complication.