BACKGROUND: Disseminated 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.
METHODS: We 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.
RESULTS: Patients 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.
CONCLUSIONS: This 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.

A 19-year-old young man presented with prodromal symptoms including fever and sore throat, followed by the development of scattered rashes in the perianal and penile regions. Monkeypox (MPX) was confirmed using polymerase chain reaction (PCR) of lesions. On the third day after complete resolution of the initial rash, the patient developed a new rash, which was diagnosed as secondary herpes zoster (HZ). Therefore, clinicians should not only focus on the accurate diagnosis of monkeypox, but also be alert to secondary herpes zoster.

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The varicella-zoster virus reactivates to cause the \"herpes zoster\" (HZ). \'\'Varicella-zoster virus\'\' (VZV) termed as \'\'HHV-3\'\' or \'\'human herpesvirus-3\'\' infection causes herpes zoster. Varicella, the primary form of the virus, is chickenpox, and the secondary form of the virus is herpes zoster also called shingles. During prior chicken pox episodes, this virus enters the body through cutaneous nerve endings and becomes dormant in the dorsal root ganglia. It sometimes affects the orofacial region and appears as unilaterally distributed burning pain, multiple, painful vesicular lesions, and ulcerations. Immunocompromised people are more likely to have disseminated zoster, which is defined as the involvement of three or more dermatomes. These are most likely to occur in elderly, immunocompromised patients, patients undergoing cancer chemotherapy, patients on immunosuppressants, and patients suffering from AIDS. This is a study of a male geriatric patient, aged 74 years, who reported unilateral pain, swelling, as well as multiple ulcerations on the left side of his face, extraorally as well as intraorally. The case was diagnosed as a herpes zoster infection involving V1 and V2 dermatome of the trigeminal nerve.

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OBJECTIVE: Ultrasound (US)-guided intercostal nerve block (ICNB) is an easier approach with a very low incidence of complications for different surgeries; nevertheless, only a few studies estimate the effect of ICNB for acute HZ. To explore the US-guided ICNB for management of herpes zoster (HZ)-related acute pain and possible prophylaxis for post-herpetic neuralgia (PHN) taking the conventional thoracic paraverteral block (TPVB) as control.
METHODS: A total of 128 patients with HZ were retrospectively stratified into antiviral treatment (AVT) plus US-guided TPVB (TPVB group), AVT plus US-guided ICNB (ICNB group) or AVT alone (control group) based on the treatment they received. HZ-related illness burden (HZ-BOI) over 30 days after inclusion as the primary endpoint was determined by a severity-by-duration composite pain assessment. Rescue analgesic requirement, health-related quality of life, PHN incidence, and adverse events were also recorded.
RESULTS: Significantly lower HZ-BOI scores within post-procedural 30 days using the area under the curve were reported with TPVB and ICNB compared with the control group: mean difference of 57.5 (p < 0.001) and 40.3 (p = 0.003). No difference was reported between TPVB and ICNB (p = 1.01). Significant greater improvements in PHN incidence, EQ-5D-3L scores, and rescue analgesic requirements were observed during follow-up favoring two trial groups, while comparable between two trial groups. No serious adverse events were observed.
CONCLUSIONS: US-guided ICNBs were as effective as TPVBs for acute HZ. The ICNB technique was an easier and time-efficient approach as opposed to conventional TPVB, which might be encouraged as a more accessible preemptive mean for preventing PHN.

OBJECTIVE: People living with HIV (PLWHIV) are susceptible to opportunistic infections including herpes zoster (HZ) and postherpetic neuralgia (PHN). The recombinant zoster vaccine (RZV) (Shingrix) is available in some countries. However, the cost-effectiveness for PLWHIV remains unknown. This study aimed to analyze the cost-effectiveness of RZV for PLWHIV ≥50 years old.
METHODS: A Markov model was developed to compare the cost-effectiveness of the 2-dose RZV immunization program with no RZV immunization for PLWHIV aged ≥50 years. We built the model with a yearly cycle over a 30-year period and 6 health conditions: HZ free, HZ, PHN, HZ/PHN recovery, HZ recurrence, and death. The parameters in the model were based on previous studies and a nationwide administrative claims database in Japan. The incremental cost-effectiveness ratio (ICER), expressed as Japanese yen (JPY) per the quality-adjusted life-years (QALYs), was estimated from a societal perspective. We conducted a one-way deterministic sensitivity analysis, probabilistic sensitivity analysis with Monte Carlo simulations of 10 000 samples, and scenario analyses.
RESULTS: The ICER of the 2-dose RZV immunization program over no RZV immunization was 78 777 774 JPY (approximately 600 000 US dollars)/QALY. The one-way deterministic sensitivity analysis showed that HZ-related utility was the most significant for ICER. All estimates in the probabilistic sensitivity analysis were located above the willingness-to-pay threshold of 5 million JPY/QALY.
CONCLUSIONS: Our study revealed that no RZV immunization was more cost-effective than the 2-dose RZV immunization program for PLWHIV aged ≥50 years. This may be useful in evidence-based policy making.

Herpes zoster (HZ) risk is increased in rheumatoid arthritis (RA) patients receiving Janus kinase inhibitors (JAKi) therapy. Identifying and evaluating the risk factors of HZ development in patients receiving JAKi therapy would be clinically helpful. We investigated HZ\'s incidence rates (IR), identified the risk factors, and further assessed their influence on HZ development in RA patients undergoing JAKi therapy. We retrospectively evaluated 249 RA patients who received JAKi therapy between 2015 and 2023. Data regarding clinical characteristics, HZ reactivation, HZ vaccination status, and concomitant medication use were collected. Among 249 JAKi-treated patients, 44 developed new-onset HZ (tofacitinib, 28/142; baricitinib, 6/35; upadacitinib,10/72), with an IR of 5.11/100patient-years. Multivariate analysis revealed significant predictors of HZ development: a long JAKi exposure period, prior HZ or COVID-19 history, and concomitant high-dose corticosteroids use. The interval between JAKi initiation and HZ development was significantly shorter in patients with prior HZ history than in those without (median, 6.5 months versus 33.5 months, p < 0.001), suggesting \"biphasic\" emergence of HZ. Only one patient who had experienced an HZ episode while receiving JAKi developed recurrent HZ. None of the seventeen patients immunized with the non-live recombinant zoster vaccine developed HZ. Our JAKi-treated patients had elevated HZ risks, a class effect across different JAKi. A long exposure period, prior history of HZ or COVID-19, and concomitant high-dose corticosteroid treatment may further increase the risk. The emergence of HZ shows a biphasic pattern: early HZ development in patients with prior HZ and late development in those without. Key Points • An increased risk of HZ was observed in Taiwanese RA patients treated with JAKi, presenting as a class effect. • Patients with a long JAKi exposure period, prior history of HZ or COVID-19, and concomitant use of high-dose corticosteroids were at high risk of HZ while receiving JAKi therapy. • The interval between JAKi initiation and HZ occurrence was shorter in patients with prior HZ than in those without, showing \"biphasic\" emergence.

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