{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T06:33:46Z","timestamp":1778740426691,"version":"3.51.4"},"reference-count":55,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T00:00:00Z","timestamp":1767830400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Diseases"],"abstract":"<jats:p>Background: Herpes zoster (HZ) represents a substantial public health concern among aging populations, yet regional variability in clinical patterns and risk determinants remains insufficiently documented. In southeastern Romania, epidemiological data are limited, and the combined influence of demographic, behavioral, and metabolic factors on disease severity has not been systematically evaluated. Methods: We performed a retrospective observational study including 100 consecutive patients diagnosed with HZ between 2019 and 2023 in a dermatology department in southeastern Romania. Demographic characteristics, lifestyle behaviors, anthropometric status, clinical manifestations, and outcomes were extracted from medical records. Associations between categorical variables were assessed using Chi-square tests and Cramer\u2019s V, while interaction patterns were explored through log-linear modeling. Heatmaps were generated in Python (version 3.10) using the Matplotlib library (version 3.7.1) to visualize distribution patterns and subgroup relationships. Results: The cohort showed a marked age dependence, with 77% of cases occurring in individuals \u2265 60 years, consistent with immunosenescence-driven reactivation. Women represented 59% of cases, and 84.7% of female patients were postmenopausal. Urban residents predominated (91%). Vesicular eruption (84%) and acute pain (79%) were the most frequent symptoms. Localized HZ was observed in 81% of cases, while ophthalmic involvement (11%) and disseminated forms (8%) were less common. Lifestyle factors significantly influenced clinical severity: smokers, alcohol consumers, and sedentary individuals exhibited higher proportions of postherpetic neuralgia (PHN) and ocular complications (p &lt; 0.001). Overweight and obese patients demonstrated a higher burden of PHN, suggesting a role for metabolic inflammation, although BMI was not associated with incidence. No significant association between age category and complication type was detected, likely due to small subgroup sizes despite a clear descriptive trend toward increased severity with advanced age. Conclusions: These findings support a multifactorial model of HZ severity in southeastern Romania, shaped by age, lifestyle behaviors, hormonal status, and metabolic risk. While incidence patterns align with international data, the strong impact of modifiable factors on complication rates highlights the need for targeted prevention and individualized risk assessment. Results offer a regional perspective that may inform future multicenter investigations.<\/jats:p>","DOI":"10.3390\/diseases14010026","type":"journal-article","created":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T10:10:50Z","timestamp":1767867050000},"page":"26","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Predictors of Severe Herpes Zoster: Contributions of Immunosenescence, Metabolic Risk, and Lifestyle Behaviors"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1852-4024","authenticated-orcid":false,"given":"Mariana","family":"Lupoae","sequence":"first","affiliation":[{"name":"Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Gala\u021bi, Romania"},{"name":"Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Galati, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1949-4218","authenticated-orcid":false,"given":"F\u0103nic\u0103","family":"B\u0103l\u0103nescu","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Gala\u021bi, Romania"},{"name":"Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Galati, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Caterina Nela","family":"Dumitru","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Gala\u021bi, Romania"},{"name":"Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Galati, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aurel","family":"Nechita","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Gala\u021bi, Romania"},{"name":"Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Galati, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M\u0103d\u0103lina Nicoleta","family":"Matei","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Gala\u021bi, Romania"},{"name":"Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Galati, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Simona Claudia","family":"\u0218tefan","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Gala\u021bi, Romania"},{"name":"Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Galati, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4290-7068","authenticated-orcid":false,"given":"Alin","family":"Lauren\u021biu Tatu","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Gala\u021bi, Romania"},{"name":"Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Galati, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9249-5247","authenticated-orcid":false,"given":"Elena","family":"Niculet","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Gala\u021bi, Romania"},{"name":"Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Galati, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alina Oana","family":"Dumitru","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Gala\u021bi, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andreea","family":"Lupoae","sequence":"additional","affiliation":[{"name":"Emergency Clinical Hospital \u201cSf. Apostol Andrei\u201d, 800010 Galati, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dana","family":"Tutunaru","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Gala\u021bi, Romania"},{"name":"Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, \u201cDunarea de Jos\u201d University of Galati, 800008 Galati, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2026,1,8]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Patil, A., Goldust, M., and Wollina, U. (2022). Herpes zoster: A review of clinical manifestations and management. 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