Impact of seasonal variations on the first ischemic events in patients with moyamoya disease

Ding, Jiayue; Zhou, Da; Shang, Shuling; Pan, Lizhen; Ya, Jingyuan; Ding, Yuchuan; Ji, Xunming

doi:10.1016/j.clineuro.2018.07.022

Cited by 3 publications

(2 citation statements)

References 27 publications

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“…A total of 746 publications were found. For our meta-analysis, 31 publications were selected: 20 publications examining seasonal dynamics of HS and 26 publications examining seasonal dynamics of IS 9–39 (Supplementary Material, Table S1, Figure S1). In 15 studies, the seasonal dynamics of HS and IS were simultaneously investigated.…”

Section: Resultsmentioning

confidence: 99%

Dependence of seasonal dynamics of hemorrhagic and ischemic strokes on the climate of a region: A meta-analysis

Kuzmenko

Galagudza

2021

International Journal of Stroke

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Background Cardiovascular events (CVEs) occur more often in winter than in summer; however, the dependence of strokes on various meteorological factors remains unclear . Aims The purpose of this meta-analysis was to determine the dependence of the circannual dynamics of hospitalizations for hemorrhagic stroke (HS) and ischemic stroke (IS) on seasonal fluctuations in meteorological factors. Summary of review and conclusions For our meta-analysis, we selected 20 and 26 publications examining the seasonal dynamics of HS and IS, respectively . The meta-analysis showed that HS occurs more often in winter than in other seasons and does not depend on a regionâs climate. The seasonal dynamics of IS are not clearly expressed and are determined by the characteristics of a regionâs climate. In a climate without pronounced seasonal dynamics of atmospheric pressure and in wet winters, the vector of IS incidents will not be expressed or slightly shifted toward winter. Low atmospheric pressure in summer is associated with an increased likelihood of IS during this season compared to winter. There was also a relation between IS risk with high relative humidity and a significant decrease in ÏO2 in summer, but there is not enough evidence regarding this association. We did not reveal dependence of the seasonal dynamics of strokes on the amplitude of annual fluctuations in air temperature. Keywords: ischemic stroke, hemorrhagic stroke, season, meteorological factors, climate

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Section: Resultsmentioning

confidence: 99%

Dependence of seasonal dynamics of hemorrhagic and ischemic strokes on the climate of a region: A meta-analysis

Kuzmenko

Galagudza

2021

International Journal of Stroke

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“…The smoke‐like vessels are fragile and thin, resulting in thrombosis formation and microaneurysm rupture, leading to cerebral ischemia and hemorrhage . Furthermore, lack of adequate blood flow can lead to cortical and subcortical ischemia, resulting in neurological deficits . Hence, improvement and restoration of CBF in moyamoya is a topic of ongoing interest.…”

Section: Discussionmentioning

confidence: 99%

Remote ischemic conditioning for the treatment of ischemic moyamoya disease

et al. 2019

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Aims This study investigated the safety and efficacy of remote ischemic conditioning (RIC) on ameliorating the sequelae of ischemic moyamoya disease (iMMD). Methods A total of 30 iMMD patients underwent long‐term RIC and were followed up at 0.5, 1, and 2 years for clinical outcomes, including frequency of stroke recurrence, Patient Global Impression of Change (PGIC) scale, peak systolic velocities (PSV), and cerebral perfusion. Results During the whole RIC treatment process, no RIC‐related adverse event occurred. Only one of 30 patients suffered a onetime infarction (3.3%), and the ratios of acceptable PGIC were 88.2%, 64.3%, and 92.3% at 0.5, 1, and 2 years follow‐up. Kaplan‐Meier analysis showed the frequency of stroke recurrence was significantly reduced after RIC (P = .013). The frequency of TIA per week was 1.1 (0.6, 2.8) prior to RIC and 0.1 (0.0, 0.5) post‐RIC (P < .01). Compared to baseline, PSV values were significantly reduced after RIC treatment (P = .002 at 0.5, P = .331 at 1, and P = .006 at 2 years). In patients undergoing perfusion studies, 75% obtained improvement on followed‐up SPECT and 95% on followed‐up PET maps. Conclusions Remote ischemic conditioning may be beneficial on controlling iMMD‐induced ischemic events, relieving symptoms, and improving cerebral perfusion, without incidence of complications in this case series.

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Individualized Perioperative Blood Pressure Management for Adult Moyamoya Disease: Experience from 186 Consecutive Procedures

Zhang

et al. 2021

Journal of Stroke and Cerebrovascular Diseases

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Impact of seasonal variations on the first ischemic events in patients with moyamoya disease

Cited by 3 publications

References 27 publications

Dependence of seasonal dynamics of hemorrhagic and ischemic strokes on the climate of a region: A meta-analysis

Dependence of seasonal dynamics of hemorrhagic and ischemic strokes on the climate of a region: A meta-analysis

Remote ischemic conditioning for the treatment of ischemic moyamoya disease

Individualized Perioperative Blood Pressure Management for Adult Moyamoya Disease: Experience from 186 Consecutive Procedures

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