ArticleCureus2025
Syncope and New-Onset Bifascicular Block Associated With Intravenous Immunoglobulin in a Patient With Chronic Inflammatory Demyelinating Polyneuropathy.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chronic inflammatory demyelinating polyneuropathy (CIDP) is an immune-mediated neuropathy often treated with intravenous immunoglobulin (IVIG), which is generally well-tolerated but has occasionally been associated with rare cardiovascular side effects. We present the case of an 84-year-old male with CIDP, maintained on biweekly IVIG infusions, who experienced a syncopal episode with documented bradycardia of 30 beats per minute (bpm) during an infusion. Upon evaluation in the emergency department, the patient was found to have a new bifascicular block requiring pacemaker placement. This case underscores a rare adverse reaction associated with IVIG infusion, highlighting the importance of careful cardiac monitoring in older patients with CIDP and underlying or potential cardiac risk factors.
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Registered trials
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