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Detection of pannus by multidetector-row computed tomography
Hideki Teshima1, Nobuhiko Hayashida, Naofumi Enomoto
1Department of Surgery and Radiology, Kurume University, School of Medicine, Kurume, Japan. tesshi@med.kurume-u.ac.jp
The Annals of Thoracic Surgery
|May 9, 2003
Summary
Pannus formation causing prosthetic valve dysfunction (PVD) is rare but serious. Multidetector-row computed tomography (MDCT) effectively diagnosed PVD in a patient with an aortic valve replacement, aiding surgical planning.
Area of Science:
- Cardiology
- Radiology
- Cardiac Surgery
Background:
- Prosthetic valve dysfunction (PVD) is a rare but severe complication.
- Pannus formation is a known cause of PVD, often requiring reoperation.
- Accurate pre-operative assessment is crucial for successful surgical intervention.
Observation:
- A 72-year-old male patient presented with PVD and Sinus of Valsalva aneurysm post-aortic valve replacement.
- Multidetector-row computed tomography (MDCT) was employed for pre-operative evaluation.
- MDCT revealed pannus tissue extending from the left ventricular septum to the pivot guard.
Findings:
- MDCT accurately identified the cause of PVD as extensive pannus formation.
- The imaging findings correlated precisely with intraoperative observations during reoperation.
- MDCT provided detailed anatomical and functional information regarding the PVD.
Implications:
- MDCT is a valuable tool for diagnosing and evaluating PVD caused by pannus.
- This imaging modality can guide surgical strategies for complex PVD cases.
- Improved pre-operative assessment using MDCT may lead to better patient outcomes in PVD management.