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Related Concept Videos

Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

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Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
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Related Experiment Video

Updated: May 6, 2026

Transplantation of Pulmonary Valve Using a Mouse Model of Heterotopic Heart Transplantation
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Pulmonary Valve Replacement Using an Intraoperatively Created Trileaflet Autologous Pericardial Valve: A Case Series.

Ahmad Ali Amirghofran1, Kamran Jamshidi1, Mohammadreza Edraki2

  • 1Department of Cardiac Surgery, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.

Iranian Journal of Medical Sciences
|March 3, 2025
PubMed
Summary

A novel handmade pulmonary valve using autologous pericardium shows promising results for patients with pulmonary regurgitation. This technique offers a viable alternative for pulmonary valve replacement, with satisfactory short-term outcomes.

Keywords:
AutograftsGlutaraldehydePericardiumPulmonary valve insufficiency

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Area of Science:

  • Cardiovascular Surgery
  • Biomaterials Science

Background:

  • Pulmonary valve replacement is frequently necessary for patients with chronic pulmonary regurgitation.
  • Current treatment options for pulmonary regurgitation have limitations.

Purpose of the Study:

  • To evaluate the efficacy and safety of a novel, intraoperatively constructed trileaflet pulmonary valve using glutaraldehyde-treated autologous pericardium (AAA valve).

Main Methods:

  • A case series of 10 patients undergoing implantation of the handmade AAA valve between September 2018 and March 2021.
  • The technique involved pericardial preparation, valve construction within a Dacron tube, and implantation in the pulmonary position.

Main Results:

  • The AAA valve was implanted in 10 patients (mean age 16.2 years), 7 with prior tetralogy of Fallot repair.
  • Follow-up averaged 32.3 months, showing none to moderate regurgitation and mild stenosis in most cases.
  • Cardiac MRI and echocardiography confirmed acceptable valve function, with one non-cardiac death.

Conclusions:

  • The intraoperatively created autologous pericardial valve demonstrated satisfactory short-term to midterm results.
  • This handmade pericardial valve presents a potential alternative to existing pulmonary valve replacement options.