Abstract
Herpes zoster (HZ) caused by varicella zoster virus (VZV) reactivation is characterized as a vesicular rash of unilateral distribution that can also cause multiple complications; such as post-herpetic neuralgia; ophthalmic zoster; and other neurological issues. VZV can also increase incident hemorrhagic or ischemic complications by causing inflammatory vasculopathy. Thus; emerging epidemiological and clinical data recognizes an association between HZ and subsequent acute strokes or myocardial infarction (MI). This study reviewed published articles to elucidate the association between HZ and cerebrovascular and cardiac events. Individuals exposed to HZ or herpes zoster ophthalmicus had 1.3 to 4-fold increased risks of cerebrovascular events. Higher risks were noted among younger patients (age < 40 years) within one year after an HZ episode. The elevated risk of CV events diminished gradually according to age and length of time after an HZ episode. The putative mechanisms of VZV vasculopathy were also discussed. Several studies showed that the development of herpes zoster and herpes zoster ophthalmicus increased the risks of stroke; transient ischemic attack; and acute cardiac events. The association between VZV infection and cardiovascular events requires further studies to establish the optimal antiviral treatment and zoster vaccination to reduce zoster-associated vascular risk
Highlights
Herpes zoster (HZ) is an infectious disease induced by the reactivation of the varicella zoster virus (VZV) from its latent state in the sensory ganglia
The analysis identified that HZ was associated with ischemic stroke (RR, 1.99; 95% confidence interval (CI), 1.04–3.81), but not hemorrhagic stroke (RR, 1.86; 95% CI, 0.76–4.54)
Individuals exposed to HZ or Herpes zoster ophthalmicus (HZO) had 1.3 to 4-fold increased risks of cerebrovascular events
Summary
Herpes zoster (HZ) is an infectious disease induced by the reactivation of the varicella zoster virus (VZV) from its latent state in the sensory ganglia. HZ usually starts with a prodromal phase with severe, sharp radicular pain and paresthesia spreading in the affected dermatomes It proceeds via vesicular eruption on an erythematous base in the dermatomes within 48–72 h. The aim of this review is to determine the correlation between HZ or HZO and the occurrence of cerebrovascular and cardiac events on age stratification and various post-herpes zoster time periods. 2. Studies Investigating the Association Between HZ and CVD or Cerebrovascular Disease. Six meta-analysis studies were enrolled to investigate the correlation between HZ and cerebrovascular risk [17,18,19,20,21,22]
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