open access

Vol 5, No 1 (2002)
Published online: 2002-01-17
Submitted: 2012-01-23
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Lung perfusion scintigraphy in the diagnosis of peripheral pulmonary stenosis in patients after repair of Fallot tetralogy

Robert Sabiniewicz, Grzegorz Romanowicz, Tomasz Bandurski, Maciej Chojnicki, Janina Alszewicz-Baranowska, Jan Ereciński, Piot Lass
Nucl. Med. Rev 2002;5(1):11-13.

open access

Vol 5, No 1 (2002)
Published online: 2002-01-17
Submitted: 2012-01-23

Abstract

BACKGROUND: The frequency of peripheral pulmonary artery stenosis in patients after surgical repair of tetralogy of Fallot (TOF) ranges from 20 to 40%. This can be either primary or secondary to the surgical intervention. The influence of resulting lung perfusion alterations on the life quality of patients is difficult to predict. The aim of this study was to compare the utility of the diagnostic procedures in this group of patients, with particular focus on lung perfusion scintigraphy.
MATERIAL AND METHODS: This study comprised 104 patients who underwent repair of TOF at ages from 5 months to 25 years. The patients have been followed up for from 4.2 to 25 years. On the basis of chest x-ray peripheral pulmonary artery stenosis was suspected in 11 patients, in 12 on the basis of echocardiography examination.
RESULTS: Lung perfusion scintigraphy has been performed on 87 patients. The disturbances in lung perfusion (mostly in the left lung) were show by means of lung perfusion scintigraphy in 43 (49%) of patients. In 27 of them heart catheterisation has been performed. Angiography revealed stenosis of the lung artery branch in 15/43 (34.9%) patients with abnormal perfusion lung scan and in 4/44 (9%) in patients with normal perfusion lung scan. Intervention procedures were carried out on 10 patients.
CONCLUSIONS: Lung perfusion scintigraphy may prove a valuable, non-invasive screening tool in the assessment of patients after TOF repair, although both false-negative and falsepositive results may happen. Therefore, it should play an auxiliary role together with other diagnostic modalities.

Abstract

BACKGROUND: The frequency of peripheral pulmonary artery stenosis in patients after surgical repair of tetralogy of Fallot (TOF) ranges from 20 to 40%. This can be either primary or secondary to the surgical intervention. The influence of resulting lung perfusion alterations on the life quality of patients is difficult to predict. The aim of this study was to compare the utility of the diagnostic procedures in this group of patients, with particular focus on lung perfusion scintigraphy.
MATERIAL AND METHODS: This study comprised 104 patients who underwent repair of TOF at ages from 5 months to 25 years. The patients have been followed up for from 4.2 to 25 years. On the basis of chest x-ray peripheral pulmonary artery stenosis was suspected in 11 patients, in 12 on the basis of echocardiography examination.
RESULTS: Lung perfusion scintigraphy has been performed on 87 patients. The disturbances in lung perfusion (mostly in the left lung) were show by means of lung perfusion scintigraphy in 43 (49%) of patients. In 27 of them heart catheterisation has been performed. Angiography revealed stenosis of the lung artery branch in 15/43 (34.9%) patients with abnormal perfusion lung scan and in 4/44 (9%) in patients with normal perfusion lung scan. Intervention procedures were carried out on 10 patients.
CONCLUSIONS: Lung perfusion scintigraphy may prove a valuable, non-invasive screening tool in the assessment of patients after TOF repair, although both false-negative and falsepositive results may happen. Therefore, it should play an auxiliary role together with other diagnostic modalities.
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Keywords

peripheral pulmonary stenosis; perfusion scintigraphy; congenital heart disease; tetralogy of Fallot

About this article
Title

Lung perfusion scintigraphy in the diagnosis of peripheral pulmonary stenosis in patients after repair of Fallot tetralogy

Journal

Nuclear Medicine Review

Issue

Vol 5, No 1 (2002)

Pages

11-13

Published online

2002-01-17

Bibliographic record

Nucl. Med. Rev 2002;5(1):11-13.

Keywords

peripheral pulmonary stenosis
perfusion scintigraphy
congenital heart disease
tetralogy of Fallot

Authors

Robert Sabiniewicz
Grzegorz Romanowicz
Tomasz Bandurski
Maciej Chojnicki
Janina Alszewicz-Baranowska
Jan Ereciński
Piot Lass

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