The PAIR (''puncture-aspiration-injection-reaspiration''; sometimes ''percutaneous aspiration-injection-reaspiration'') procedure is a noninvasive treatment option to remove hydatid cysts. PAIR is considered an alternative treatment for cystic
echinococcosis
Echinococcosis is a parasitic disease caused by tapeworms of the ''Echinococcus'' type. The two main types of the disease are ''cystic echinococcosis'' and ''alveolar echinococcosis''. Less common forms include ''polycystic echinococcosis'' an ...
(
hydatid disease Hydatid may refer to:
* Echinococcosis
* ''Echinococcus granulosus'', known as the hydatid tapeworm
* Hydatid of Morgagni The hydatid of Morgagni can refer to one of two closely related bodily structures:
* Appendix of testis (in the male)
* Para ...
) and is often indicated for patients who do not respond to surgery or
benzimidazoles
Benzimidazole is a heterocyclic aromatic organic compound. This bicyclic compound may be viewed as fused rings of the aromatic compounds benzene and imidazole. It is a white solid that appears in form of tabular crystals.
Preparation
Be ...
The PAIR procedure can be performed as follows:
# ultrasound-guided percutaneous puncture of the cyst
# aspiration of cystic fluid
# injection of a scolicidal solution
# reaspiration of the solution
References
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Medical procedures