Background
The nomenclature of both intralobar pulmonary sequestration (ILS) and aortic origin
of a pulmonary artery (AOPA) remains controversial. According to this review, both
ILS and AOPA have an anomalous systemic arterial supply to all or part of the lung
with venous drainage into the pulmonary veins, which leads to pulmonary hypertension,
congestive heart failure, and fatal pulmonary haemorrhage. The purpose of this review
was to consider whether these two rare congenital anomalies have similar anatomical,
clinical and pathological characteristics.
Methods
This review was conducted by researching relevant literature using PubMed and MEDLINE
databases to January 2019. All researched literature was related to the anatomical,
associated anomalies, pathophysiology and clinical features of the extralobar pulmonary
sequestration (ELS), ILS, and AOPA, and the therapeutic method for ILS and AOPA.
Results
Through research literature, it was found that ILS and AOPA may differ in terms of
embryonic origin, but some of the anatomical, histopathological, physiological and
clinical features of these two congenital malformations are similar. However, ELS
and ILS have significant differences in their anatomical, histopathological, physiological,
and clinical features.
Conclusions
This study proposes that ILS and AOPA could be classified as one single condition
– systemic arterialisation of the lung – and further divided into three subtypes,
namely: types I, II and III. This new classification nomenclature permits the appropriate
change of novel surgical techniques, which obviate the need for lobectomy or segmentectomy
in specific cases, thereby minimising fatal postoperative complications.
Keywords
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Article info
Publication history
Published online: August 28, 2019
Accepted:
August 4,
2019
Received in revised form:
June 23,
2019
Received:
March 17,
2019
Identification
Copyright
© 2019 Australian and New Zealand Society of Cardiac and Thoracic Surgeons (ANZSCTS) and the Cardiac Society of Australia and New Zealand (CSANZ). Published by Elsevier B.V. All rights reserved.
