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Abstract

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Purpose: To describe the angiographic findings of patients with recurrent hemoptysis after bronchial artery
embolization (BAE) according to the point at which relapse occurred.
Materials and Methods: From 125 patients who underwent BAE due to hemoptysis between 1996 and 2000,
we selected 18 of 23 who underwent additional BAE due to recurrent bleeding after initial BAE . Depending
on the point at which relapse occurred, they were divided into two groups (I and II, according to whether addi-tional
BAE was performed within two weeks of initial BAE or more than two weeks after this). We retrospec-tively
compared the two groups in terms of angiographic findings, number of embolized arteries, and charac-ter
of feeding arteries at initial and additional BAE.
Results: Nine patients in group I (additional BAE: n=10) and nine in group II (additional BAE: n=13) were ad-mitted
for recurrent hemoptysis within two weeks of initial BAE and more than two weeks after this, respec-tively.
In group I(n=29) and II(n=31), angiography demonstrated two direct and 27 indirect, and two direct
and 29 indirect signs of hemorrhage, respectively. No statistically significant differences were observed
(x2=0.005, p=0.945). Among the embolized feeder ressels in group I (n=30) there were 20 bronchial artery
and 10 non bronchial systemic collaterals, while for group II(n=35), the corresponding totals were 21 and 14.
Again, no statistically significant differences were encountered(x2=0.308; p=0.579). In group I, feeders were
newly developed in one case(10%), previously embolized in five(50%), and missed in four(40%), while in
group two the corresponding figures were none, twelve(92.3%), and one(7.7%). No significant differences
were noted, though the incidence of previously embolized feeders in Group II was very high
(x2=5.383,p=0.068).
Conclusion: Among patients in whom hemoptysis after BAE recurred at different times, the angiographic find-ings
and number of embolized arteries were not significantly different, but differences in the nature of the
feeder were noted. Patients in whom hemoptysis recurred more than two weeks after BAE showed more re-canalization
of previously embolized feeders than those in whom there was recurrence within two weeks.

Å°¿öµå

Lung; hemorrhage; Arteries; therapeutic embolization; Arteries; bronchial;

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