Journal of Medicine and Life Vol. 11, Issue 3, July-September 2018
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inactive/calcified cysts, cysts that communicate with the
biliary tree. The increased risk of secondary hydatidosis
requires careful monitoring by postoperative serologic
and imaging tests [15]. PAIRD (D=drainage) is a variant
of PAIR that associates the insertion of an intracystic
catheter at the end of the procedure. The cavity is irrigated
with saline solution and drained for 24 hours. In case of
cysts that communicate with the biliary tree, multivesicular
cysts or cysts with content that cannot be suctioned,
the PEVAC/MoCat (modified catheterization technique)
can be used if the PAIR technique is not recommended.
This technique involves inserting a 14F catheter into the
cystic cavity, which will allow the evacuation of the solid
content (daughter vesicles and endocyst) by successive
injections and aspirations of an isotonic saline solution.
The drainage tube is removed when the drainage is less
than 10-15 ml/24 hours.
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