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Effectiveness of alteplase infusion for the management of prosthetic mitral valve thrombosis in paediatric age group and proposed algorithm

Published online by Cambridge University Press:  03 June 2022

Mohamed H Mashali Open the ORCID record for Mohamed H Mashali [Opens in a new window] ,
Zaheer Ahmad ,
Mohammed Omar Galal  and
Amjad Al-Kouatli
Mohamed H Mashali*
Affiliation:
Paediatric Cardiology Department, King Faisal Specialist Hospital and Research centre, Jeddah, Saudi Arabia Department of Paediatrics, Faculty of medicine, Cairo University, Cairo, Egypt
Zaheer Ahmad
Affiliation:
Paediatric Cardiology Department, King Faisal Specialist Hospital and Research centre, Jeddah, Saudi Arabia
Mohammed Omar Galal
Affiliation:
Paediatric Cardiology Department, King Faisal Specialist Hospital and Research centre, Jeddah, Saudi Arabia
Amjad Al-Kouatli
Affiliation:
Paediatric Cardiology Department, King Faisal Specialist Hospital and Research centre, Jeddah, Saudi Arabia
*
Author for correspondence: Mohamed Hesham Mashali, Department of Paediatric cardiology, King Faisal Specialist Hospital and Research centre, MBC J-16, P.O Box: 40047, Jeddah 21499, Saudi Arabia. Tel: 00966537452988; Fax: 0096614414839. E-mail: mhmdmashaly@gmail.com
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Abstract

Introduction:

The incidence of prosthetic valve implantation is increasing in the paediatric population. Prosthetic valve thrombosis leading to obstruction could potentially be a life-threatening complication. There is a debate regarding optimal management of this complication, and there is limited use of thrombolytic therapy in childhood in the setting of valve thrombosis.

Objective:

We aim to share our experience of successfully using fibrinolytic therapy in terms of alteplase for paediatric prosthetic mitral valve thrombosis and to propose a management algorithm.

Methods:

This retrospective analysis of the database was conducted at our hospital including patients who underwent thrombolysis (alteplase) for prosthetic mitral valve thrombosis from June, 2011 to June, 2021. A total of 10 patients with 20 attempts of alteplase infusion were found in our record.

Results:

Alteplase was successful in 19 attempts to relieve valve thrombosis. The safe and effective dose of alteplase was between 0.1 and 0.3 mg/kg/hour. There were no associated major bleeding complications and alteplase was administered either by central or peripheral line.

Conclusion:

Thrombolysis by alteplase infusion was found to be successful in relief of prosthetic mitral valve thrombosis in paediatric population without major bleeding complications.

Keywords

AlteplaseProsthetic mitral valveThrombosis
Type
Original Article
Information
Cardiology in the Young , Volume 33 , Issue 5 , May 2023 , pp. 747 - 753
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Copyright
© The Author(s), 2022. Published by Cambridge University Press

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