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Papers of the Week

2022 Jul

Quant Imaging Med Surg



Right-to-left shunts in unexplained syncope: an age- and sex-matched case-control study.


Liu D, Chen K, Gong J, Huang L, Dong X, Wan Q, Qin X, Shi J, Zhang L, Wang Z
Quant Imaging Med Surg. 2022 Jul; 12(7):3592-3602.
PMID: 35782252.


Syncope is common, but there is no clear cause for half of the patients diagnosed with syncope. Although suspected, there is limited evidence that right-to-left shunt (RLS) is related to syncope. This matched case-control study investigated the association between RLS (exposure) and unexplained syncope (outcome).