Cephalalgia : an international journal of headache · 2011
Increased risk of stroke after trigeminal neuralgia--a population-based follow-up study.
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Pan Shin-Liang, Chen Li-Sheng, Yen Ming-Fang, Chiu Yueh-Hsia, Chen Hsiu-Hsi
Аннотация
BACKGROUND: There are no reports on the risk of stroke after trigeminal neuralgia (TN). The aim of this population-based follow-up study was to investigate whether the occurrence of TN is associated with a higher risk of developing stroke.
METHODS: A total of 1453 people with at least three ambulatory visits in 2001 with the principal diagnosis of TN were enrolled in the TN cohort. The non-TN cohort consisted of 5812 age- and sex-matched, randomly sampled subjects without TN. The 2-year stroke-free survival rate between the two groups was compared using the Kaplan-Meier method. The Cox proportional hazards regression model was used to estimate the hazard ratio of stroke after adjustment for demographic and clinical covariates.
RESULTS: In the TN cohort, 73 patients developed stroke during follow-up, while in the non-TN cohort, 157 subjects suffered a stroke. The crude hazard ratio of stroke for the subjects with TN was 1.86 (95% CI, 1.41-2.45; p<0.0001). The adjusted hazard ratio was 1.76 (95% CI, 1.33-2.33; p<0.0001) after adjusting for demographic characteristics and comorbid medical disorders.
CONCLUSION: This study showed a significantly increased risk of developing stroke after TN. Further studies are needed to investigate the underlying mechanism of this association.
METHODS: A total of 1453 people with at least three ambulatory visits in 2001 with the principal diagnosis of TN were enrolled in the TN cohort. The non-TN cohort consisted of 5812 age- and sex-matched, randomly sampled subjects without TN. The 2-year stroke-free survival rate between the two groups was compared using the Kaplan-Meier method. The Cox proportional hazards regression model was used to estimate the hazard ratio of stroke after adjustment for demographic and clinical covariates.
RESULTS: In the TN cohort, 73 patients developed stroke during follow-up, while in the non-TN cohort, 157 subjects suffered a stroke. The crude hazard ratio of stroke for the subjects with TN was 1.86 (95% CI, 1.41-2.45; p<0.0001). The adjusted hazard ratio was 1.76 (95% CI, 1.33-2.33; p<0.0001) after adjusting for demographic characteristics and comorbid medical disorders.
CONCLUSION: This study showed a significantly increased risk of developing stroke after TN. Further studies are needed to investigate the underlying mechanism of this association.