scholarly journals Risk of ischaemic stroke in patients with migraine: a longitudinal follow-up study using a national sample cohort in South Korea

BMJ Open ◽  
2019 ◽  
Vol 9 (4) ◽  
pp. e027701 ◽  
Author(s):  
Sang-Yeon Lee ◽  
Jae-Sung Lim ◽  
Dong Jun Oh ◽  
Il Gyu Kong ◽  
Hyo Geun Choi
Keyword(s):  
South Korea ◽  
Ischaemic Stroke ◽  
Statistical Significance ◽  
Young Patients ◽  
Haemorrhagic Stroke ◽  
Control Group ◽  
Follow Up Study ◽  
Increased Risk ◽  
Migraine Group

ObjectiveAccumulating evidence has supported the association between migraine and stroke, but the causative association remains unclear. We aimed to investigate the risks of different types of stroke in patients with migraine.DesignA longitudinal follow-up study.SettingData collected from a national cohort between 2002 and 2013 by the South Korea Health Insurance Review and Assessment.ParticipantsWe extracted the data from patients with migraine (n=41 585) and 1:4 matched controls (n=1 66 340) and analysed the occurrence of ischaemic and haemorrhagic strokes. The migraine group included participants treated for migraine (International Classification of Disease-10 (ICD-10): G43)≥2 times. Haemorrhagic stroke (I60-I62) and ischaemic stroke (I63) were determined based on the admission histories. The crude and adjusted HRs were calculated using Cox proportional hazard models, and the 95% CI were determined. Subgroup analyses stratified by age and sex were also performed.ResultsHigher rates of ischaemic stroke were observed in the migraine group (2.3% [964/41,585]) than in the control group (2.0% [3294/166 340], P<0.001). The adjusted HR for ischaemic stroke was 1.18 (95% CI=1.10 to 1.26) in the migraine group (P<0.001). Compared with control subjects, participants who reported migraine with aura and migraine without aura had increased adjusted HRs of 1.44 (95% CI=1.09 to 1.89) and 1.15 (95% CI=1.06 to 1.24), respectively, for ischaemic stroke, but no increased risk of haemorrhagic stroke. In our subgroup analysis, a strong association between migraine and ischaemic stroke was observed in young patients, specifically young women. The contribution of migraine to the occurrence of ischaemic stroke was also observed in middle-aged women and old women (each P<0.05). The risk of haemorrhagic stroke did not reach statistical significance in any age group.ConclusionMigraine is associated with an increased risk of ischaemic stroke, but not haemorrhagic stroke.

Migraine is related to an increased risk of Parkinson’s disease: A population-based, propensity score-matched, longitudinal follow-up study

Cephalalgia ◽  
2016 ◽  
Vol 36 (14) ◽  
pp. 1316-1323 ◽  
Author(s):  
Hsin-I Wang ◽  
Yu-Chun Ho ◽  
Ya-Ping Huang ◽  
Shin-Liang Pan
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Survival Rate ◽  
Propensity Score ◽  
Population Based ◽  
Free Survival ◽  
Follow Up Study ◽  
Increased Risk ◽  
Migraine Group

Background The association between migraine and Parkinson’s disease (PD) remains controversial. The purpose of the present population-based, propensity score-matched follow-up study was to investigate whether migraineurs are at a higher risk of developing PD. Methods A total of 41,019 subjects aged between 40 and 90 years with at least two ambulatory visits with a diagnosis of migraine in 2001 were enrolled in the migraine group. A logistic regression model that included age, sex, pre-existing comorbidities and socioeconomic status as covariates was used to compute the propensity score. The non-migraine group consisted of 41,019 propensity score-matched, randomly sampled subjects without migraine. The PD-free survival rate were estimated using the Kaplan–Meier method. Stratified Cox proportional hazard regression was used to estimate the effect of migraine on the risk of developing PD. Results During follow-up, 148 subjects in the migraine group and 101 in the non-migraine group developed PD. Compared to the non-migraine group, the hazard ratio of PD for the migraine group was 1.64 (95% confidence interval: 1.25–2.14, p = 0.0004). The PD-free survival rate for the migraine group was significantly lower than that for the non-migraine group ( p = 0.0041). Conclusions This study showed an increased risk of developing PD in patients with migraine.

scholarly journals Delay to initiate treatment is associated with unsuccessful treatment outcome among new pulmonary tuberculosis patients in Tigray, Northern Ethiopia: a follow up study

2021 ◽  
Author(s):  
kiros Tedla ◽  
Girmay Medhin ◽  
Gebretsadik Berhe ◽  
Afework Mulugeta ◽  
Nega Berhe
Keyword(s):  
Treatment Outcome ◽  
Pulmonary Tuberculosis ◽  
Treatment Outcomes ◽  
Treatment Initiation ◽  
Statistical Significance ◽  
Northern Ethiopia ◽  
Follow Up Study ◽  
Unsuccessful Treatment ◽  
Increased Risk

Abstract Background : Previous studies in Ethiopia indicated that tuberculosis (TB) patient’s elapse long time before treatment initiation. However, there is very limited evidence on the association of delay to initiate treatment with treatment outcome. Objective : To investigate the association of time to treatment initiation delay with treatment outcomes of new adult TB patients in Tigray region of Ethiopia. Methods : We conducted a follow up study from October 2018 to April 2020 by recruiting 875 newly diagnosed Pulmonary Tuberculosis (PTB) patients from 21 randomly selected health facilities. Study participants were selected using simple random sampling technique during treatment initiation from October 1/2018 to October 30/2019. Delay to initiate treatment and treatment outcome were collected using standardized questionnaire and laboratory investigation. Adherence of TB patients to their treatment was collected using a 10 points linear visual analogue scale (VAS) at the end of treatment. The association of delay to initiate treatment with treatment outcome was modeled using log binomial regression model. Statistical significance was reported whenever p-value was less than 0.05. Data was analyzed using SPSS software version 21. Result : The median total delay to treatment initiation was 62 days with inter-quartile range of 16-221 days. A unite increase in a day to initiate treatment results in increment of risk of unsuccessful treatment outcome by 2.3. Other factors associated with unsuccessful treatment outcomes were being less adherent to the treatment, HIV co infection, being smear positive at initiation of treatment and after 2 months of treatment initiation. Conclusion : delay in a day to initiate treatment is associated with increased risk of unsuccessful treatment outcome. Any effort targeted towards reducing the negative effects of PTB should target on strategies that reduces the length of delay to initiate treatment and strengthen community engagement to improve treatment adherence of patients that have started treatment.

scholarly journals Analysis of Chronic Periodontitis in Tonsillectomy Patients: A Longitudinal Follow-Up Study Using a National Health Screening Cohort

2020 ◽  
Vol 10 (10) ◽  
pp. 3663 ◽  
Author(s):  
Soo Hwan Byun ◽  
Chanyang Min ◽  
Yong Bok Kim ◽  
Heejin Kim ◽  
Sung Hun Kang ◽  
...  
Keyword(s):  
Subgroup Analysis ◽  
Chronic Periodontitis ◽  
Index Date ◽  
Statistical Significance ◽  
Significant Risk ◽  
Control Group ◽  
Follow Up Study ◽  
Region Of Residence ◽  
National Cohort

This study aimed to compare the risk of chronic periodontitis (CP) between participants who underwent tonsillectomy and those who did not (control participants) using a national cohort dataset. Patients who underwent tonsillectomy were selected from a total of 514,866 participants. A control group was included if participants had not undergone tonsillectomy from 2002 to 2015. The number of CP treatments was counted from the date of the tonsillectomy treatment. Patients who underwent tonsillectomy were matched 1:4 with control participants who were categorized based on age, sex, income, and region of residence. Finally, 1044 patients who underwent tonsillectomy were matched 1:4 with 4176 control participants. The adjusted estimated value of the number of post-index date (ID) CP did not reach statistical significance in any post-ID year (each of p > 0.05). In another subgroup analysis according to the number of pre- ID CP, it did not show statistical significance. This study revealed that tonsillectomy was not strongly associated with reducing the risk of CP. Even though the tonsils and periodontium are located adjacently, and tonsillectomy and CP may be related to bacterial inflammation, there was no significant risk of CP in patients undergoing tonsillectomy.

scholarly journals Increased Risk of Ischemic Stroke in Young Patients with Ankylosing Spondylitis: A Population-Based Longitudinal Follow-Up Study

PLoS ONE ◽  
2014 ◽  
Vol 9 (4) ◽  
pp. e94027 ◽  
Author(s):  
Chia-Wei Lin ◽  
Ya-Ping Huang ◽  
Yueh-Hsia Chiu ◽  
Yu-Tsun Ho ◽  
Shin-Liang Pan
Keyword(s):  
Ischemic Stroke ◽  
Ankylosing Spondylitis ◽  
Young Patients ◽  
Population Based ◽  
Follow Up Study ◽  
Increased Risk ◽  
Stroke In Young

scholarly journals Evaluation of the increased risk of spine fracture in patients with mood disorder compared with matched controls: a longitudinal follow-up study using a national sample cohort in Korea

BMJ Open ◽  
2019 ◽  
Vol 9 (11) ◽  
pp. e027581
Author(s):  
So Young Kim ◽  
Chanyang Min ◽  
Bumjung Park ◽  
Miyoung Kim ◽  
Hyo Geun Choi
Keyword(s):  
Mood Disorder ◽  
National Sample ◽  
Spine Fracture ◽  
Secondary Outcome ◽  
Control Group ◽  
Follow Up Study ◽  
Increased Risk ◽  
History Of ◽  
Age And Sex

ObjectiveTo evaluate the risk of spine fracture in patients with mood disorder using a nationwide cohort.DesignA longitudinal follow-up study.SettingClaims data for the population ≥20 years of age were collected from 2002 to 2013 for the Korean National Health Insurance Service-National Sample Cohort.ParticipantsA total of 60 140 individuals with mood disorder were matched with 240 560 individuals (control group) for age, sex, income, region of residence and osteoporosis.InterventionsIn both the mood disorder and control groups, the history of spine fracture was evaluated. The International Classification of Diseases 10th Revision codes for mood disorder (F31–F39) and spine fracture (S220 and S320) were included.Primary and secondary outcome measuresThe univariable and multivariable HRs and 95% CIs of spine fracture for patients with mood disorder were analysed using a stratified Cox proportional hazards model. Subgroup analyses were conducted according to the history of osteoporosis, age and sex.ResultsApproximately 3.3% (2011/60 140) of patients in the mood disorder group and 2.8% (6795/240 560) of individuals in the control group had spine fracture (p<0.001). The mood disorder group demonstrated a higher adjusted HR for spine fracture than the control group (multivariable HR=1.10, 95% CI 1.04 to 1.15, p<0.001). The participants without osteoporosis showed a higher HR of mood disorder for spine fracture than the control participants (multivariable HR=1.25, 95% CI 1.14 to 1.37, p<0.001). According to age and sex, this result was consistent in subgroups of women aged 20–39 and 40–59 years and men aged ≥60 years.ConclusionThe risk of spine fracture was increased in patients with mood disorder. The potential risk of spine fracture needs to be evaluated when managing patients with mood disorder.

scholarly journals Higher total white blood cell and neutrophil counts are associated with an increased risk of fatal stroke occurrence: the Guangzhou biobank cohort study

BMC Neurology ◽  
2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Zhi-bing Hu ◽  
Ze-xiong Lu ◽  
Feng Zhu ◽  
Cao-qiang Jiang ◽  
Wei-sen Zhang ◽  
...  
Keyword(s):  
Blood Cell ◽  
Ischaemic Stroke ◽  
White Blood Cell ◽  
Elderly Population ◽  
Haemorrhagic Stroke ◽  
Dynamic Changes ◽  
Fatal Stroke ◽  
Increased Risk ◽  
Wbc Count

Abstract Background Chronic inflammatory diseases are linked to an increased risk of stroke events. The white blood cell (WBC) count is a common marker of the inflammatory response. However, it is unclear whether the WBC count, its subpopulations and their dynamic changes are related to the risk of fatal stroke in relatively healthy elderly population. Methods In total, 27,811 participants without a stroke history at baseline were included and followed up for a mean of 11.5 (standard deviation = 2.3) years. After review of available records, 503 stroke deaths (ischaemic 227, haemorrhagic 172 and unclassified 104) were recorded. Cox proportional hazards regression was used to assess the associations between the WBC count, its subpopulations and their dynamic changes (two-phase examination from baseline to the 1st follow-up) and the risk of fatal all stroke, fatal ischaemic stroke and fatal haemorrhagic stroke. Results (i) Regarding the WBC count in relation to the risk of fatal stroke, restricted cubic splines showed an atypically U-curved association between the WBC count and the risk of fatal all stroke occurrence. Compared with those in the lowest WBC count quartile (< 5.3*10^9/L), the participants with the highest WBC count (> 7.2*10^9/L) had a 53 and 67% increased risk for fatal all stroke (adjusted hazard ratio [aHR] = 1.53, 95% confidence interval (CI) 1.16–2.02, P = 0.003) and fatal haemorrhagic stroke (aHR = 1.67, 95% CI 1.10–2.67, P = 0.03), respectively; compared with those in the lowest quartile (< 3.0*10^9/L), the participants with the highest NEUT count (> 4.5*10^9/L) had a 45 and 65% increased risk for fatal all stroke (aHR = 1.45, 95% CI 1.10–1.89, P = 0.008) and fatal ischaemic stroke (aHR = 1.65, 95%CI 1.10–2.47 P = 0.02), respectively. With the additional adjustment for C-reactive protein, the same results as those for all stroke and ischaemic stroke, but not haemorrhagic stroke, were obtained for the WBC count (4 ~ 10*10^9/L) and the NEUT count (the NEUT counts in the top 1% and bottom 1% at baseline were excluded). (ii) Regarding dynamic changes in the WBC count in relation to the risk of fatal stroke, compared with the stable group (− 25% ~ 25%, dynamic changes from two phases of examination (baseline, from September 1st, 2003 to February 28th, 2008; 1st follow-up, from March 31st 2008 to December 31st 2012)), the groups with a 25% increase in the WBC count and NEUT count respectively had a 60% (aHR = 1.60, 95% CI 1.07–2.40, P = 0.02) and 45% (aHR = 1.45, 95% CI1.02–2.05, P = 0.04) increased risk of fatal all stroke occurrence. Conclusions The WBC count, especially the NEUT count, was associated with an increased risk of fatal all stroke occurrence. Longitudinal changes in the WBC count and NEUT count increase in excess of 25% were also associated with an increased risk of fatal all stroke occurrence in the elderly population.

Severely Depressed Young Patients Have Over Five Times Increased Risk for Stroke: A 5-Year Follow-Up Study

2008 ◽  
Vol 64 (10) ◽  
pp. 912-915 ◽  
Author(s):  
Hsin-Chien Lee ◽  
Herng-Ching Lin ◽  
Shang-Ying Tsai
Keyword(s):  
Young Patients ◽  
Follow Up Study ◽  
Increased Risk

scholarly journals Increased Risk of Migraine in Patients with Temporomandibular Disorder: A Longitudinal Follow-Up Study Using a National Health Screening Cohort

Diagnostics ◽  
2020 ◽  
Vol 10 (9) ◽  
pp. 724
Author(s):  
Soo-Hwan Byun ◽  
Chanyang Min ◽  
Dae-Myoung Yoo ◽  
Byoung-Eun Yang ◽  
Hyo-Geun Choi
Keyword(s):  
Blood Pressure ◽  
National Health ◽  
Temporomandibular Disorder ◽  
Fasting Blood Glucose ◽  
Health Screening ◽  
Control Group ◽  
Follow Up Study ◽  
Kaplan Meier ◽  
Increased Risk

Background: The aim of this study was to investigate the association between temporomandibular disorder (TMD) and migraine through a longitudinal follow-up study using population data from a national health screening cohort. Methods: This cohort study used data from the Korean National Health Insurance Service-Health Screening Cohort from 2002 to 2015. Of the 514,866 participants, 3884 TMD patients were matched at a 1:4 ratio with 15,536 control participants. Crude models and models adjusted for obesity, smoking, alcohol consumption, systolic blood pressure, diastolic blood pressure, fasting blood glucose, total cholesterol, and Charlson Comorbidity Index (CCI) scores were calculated. Chi-squared test, Kaplan–Meier analysis, and two-tailed log-rank test were used for statistical analysis. Stratified Cox proportional hazard models were used to assess hazard ratios (HR) and 95% confidence intervals (CIs) for migraine in both control groups. Results: The adjusted HR for migraine was 2.10 (95% CI: 1.81–2.44) in the TMD group compared to the control group, which was consistent in subgroup analyses according to age, sex, and Kaplan–Meier analysis. Conclusions: This study demonstrated that TMD patients have a higher risk of migraine. These results suggest that dentists can decrease the risk of migraine in TMD patients by managing TMD properly.

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