Abstract
IntroductionDisseminated herpes zoster (DHZ) is a severe infection associated with high incidences and mortality rates in immunocompromised patients. Although studies have shown its occurrence in immunocompetent patients, its epidemiology, clinical presentation, and treatment outcomes in this cohort remain unknown. Thus, this study aimed to examine the clinical presentation, treatment, complications, and outcomes of DHZ in immunocompetent patients and compare these findings with previous studies. MethodsWe included 20 immunocompetent patients of DHZ at our institution and reviewed 42 previously published cases. We then investigated the clinical features, predisposing factors, laboratory findings, treatment, and outcomes of all cases including in-hospital mortality, neurological dysfunction at discharge, and postherpetic neuralgia. We compared DHZ-immunocompetent patients to DHZ-immunocompromised patients. ResultsPatients had a median age of 71.5 years and were predominantly male. The trigeminal area was the most common site of initial rash, with a mean dissemination time of 6.5 days. Pain was the most common symptom, followed by fever (approximately 40 % of cases); acyclovir was the most used treatment. Additionally, the in-hospital mortality was 0 %, neuropathy at discharge was observed in approximately 10 % of patients, and postherpetic neuralgia was present in approximately 40 % of patients. In the immunocompromised cases, the mortality rate was 12 %, which was higher than in our cases; however, the rates of neuropathy and postherpetic neuralgia were lower. ConclusionsThis study provides new insights into the clinical presentation, treatment, and outcomes of DHZ cases in immunocompetent patients, highlighting its tendency for residual neurological damage despite having low mortality rates.
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