predictors of postherpetic neuralgia in patients with herpes zoster: a pooled analysis of prospective cohort studies from north and latin america and asia
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2015
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Abstract
Objectives: The most common complication of herpes zoster (HZ) is postherpetic neuralgia (PHN), a persistent pain that can substantially affect quality of life (QoL). This analysis aimed to evaluate predictors of PHN in HZ patients.
Methods: A pooled analysis of prospective cohort studies of HZ patients aged ≥50 years from North America (Canada), Latin America (Brazil, Mexico, and Argentina), and Asia (Taiwan, South Korea, and Thailand) was performed. Patients within 14 days of rash onset were included. The incidence of PHN was defined as a worst pain score of ≥3, persisting/appearing at >90 days after rash onset. Socio-demographics, HZ disease characteristics, treatment, pain-related interference with activities of daily living, and health-related QoL were assessed.
Results: Of 702 patients with HZ, 148 (21.1%) developed PHN. Similar risks of PHN were observed across geographic regions. On multivariate analysis, older age, greater severity of pain at rash onset, employment status, walking problems at enrollment, and pain interference affecting social relationships were significantly associated with the development of PHN.
Conclusions: In addition to older age and severe acute pain, this study suggests that impaired physical and social functioning from acute zoster pain may play a role in the development of PHN in this prospective cohort study of HZ patients from North and Latin America and Asia.
| Reference Key |
kawai2015internationalpredictors
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| Authors | ;Kosuke Kawai;Emmanouil Rampakakis;Tsen-Fang Tsai;Hee Jin Cheong;Jittima Dhitavat;Alejandro Ortiz Covarrubias;Lin Yang;Miguel Cashat-Cruz;Homero Monsanto;Kelly Johnson;John S. Sampalis;Camilo J. Acosta |
| Journal | israel journal of chemistry |
| Year | 2015 |
| DOI |
10.1016/j.ijid.2015.03.022
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| URL | |
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