Key result
Transient fetal heart block in structurally normal hearts without maternal autoantibodies resolved spontaneously in all 4 cases, with normal postnatal sinus rhythm and no signs of heart failure.
Population
4 fetuses with transient fetal heart block in structurally normal hearts without maternal autoantibodies
Design
Case_series
Follow-up
Postnatal
Authors
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May support expectant management of isolated fetal heart block; leaves open need for prospective cohorts to confirm natural history.
Case Report (n=4)
No
Fetal heart block can occur in the absence of structural heart defects and maternal autoantibodies, and in these cases, it may resolve spontaneously with a benign course.
Breur et al. (2005) conducted a case report in Fetal heart block (n=4). Transient fetal heart block was evaluated on Resolution of heart block and clinical course. Transient fetal heart block in structurally normal hearts without maternal autoantibodies resolved spontaneously in all 4 cases, with normal postnatal sinus rhythm and no signs of heart failure.
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