We can confirm the findings of previous studies showing a significant association between migraine and juvenile stroke in women. Furthermore, our data suggest migraine to be an even more significant risk factor for patients under the age of 35 and to be independent from other vascular risk factors.
Background and Purpose: Cervical artery dissection (CAD) is a common cause of ischemic stroke in younger aged subjects. Retrospective studies suggest cervical manipulative therapy (CMT) and preceding infections as extrinsic risk factors for CAD. In a case-control study, we assessed a questionnaire with 7 mild mechanical traumas as potential trigger factors for CAD, including CMT and recent infections. Patients and Methods: Forty-seven consecutive patients with CAD were compared with 47 consecutive patients of similar age with ischemic stroke due to etiologies other than CAD. Patients underwent a standardized face-to-face interview. We assessed head or neck pain and recent infection <7 days before symptom onset, as well as the following mechanical trigger factors <24 h and <7 days prior to symptom onset: (1) heavy lifting, (2) sexual intercourse, (3) mild direct or (4) indirect neck trauma, (5) jerky head movements, (6) sports activity, and (7) CMT. Results:We found no association between any single one of the above risk factors and CAD. CMT (CAD, n = 10; non-CAD, n = 5) and recent infections (CAD, n = 18; non-CAD, n = 10) were more frequent in the CAD group but failed to reach significance. However, the cumulative analysis of all mechanical trigger factors revealed a significant association of mechanical risk factors as a whole in CAD <24 h prior to symptom onset (p = 0.01). Conclusion: Mild mechanical stress, including CMT, plays a role as possible trigger factor in the pathogenesis of CAD. CMT and recent infections alone failed to reach significance during the present investigation, presumably due to the relatively small sample size of the study cohort.
Cerebral amyloid angiopathy plays a major role in the pathogenesis of intracerebral hemorrhage even in patients with more evident risk factors.
Background and Purpose— There is no consensus about indicators for measuring quality of acute stroke care in Germany. Therefore, a standardized process was initiated recently to develop and implement evidence-based indicators for the measurement of quality of acute hospital stroke care. Methods— Quality indicators were developed by a multidisciplinary board between November 2003 and December 2005. The process was initiated by the German Stroke Registers Study Group in cooperation with the German Stroke Society, the German Society of Neurology, the German Stroke Foundation, Regional Offices for Quality Assurance and other experts proven in the field. National and international recommendations were considered during the development process. The process was based on a systematic literature review, an independent external evaluation of the process and its results, and a prospective pilot study to evaluate the defined indicators in clinical practice. Results— Overall a set of 24 indicators was developed to measure performance of acute care hospitals in the 3 health care dimensions structure, process and outcome as well as in 3 treatment phases prehospital, in-hospital/acute and postacute. Practicability of the derived indicators was tested in a prospective pilot study. During a 2-month period, 1006 patients in 13 hospitals were documented. Application of the new indicator set was found to be feasible by participating physicians and hospitals. Median time to document the required information for 1 patient was 5 minutes. Nationwide implementation of the new indicator set within regional registers in Germany started since April 2006. Conclusions— The development of indicators to measure hospital performance in stroke care is an important step toward improving stroke care on a national level. The chosen standardized evidence-based approach ensures maximal transparency, acceptance and sustainability of the developed indicators in Germany.
Signs of tissue weakening along the TM/TA junction in STA biopsy specimens of patients with sCAD but not in controls suggest the presence of a generalized arteriopathy leading to impairment of the stability of the arterial wall in patients with sCAD. Limiting factors of the study are that some control biopsies were obtained from autopsies and that the anticoagulation status of patients and controls were not completely comparable.
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