Angioedema after rt-PA infusion led to airway emergency: a case report of rescue treatment with fresh frozen plasma

Abstract The authors report the case of a 71-year-old woman presented to the Emergency Department with acute ischemic stroke. She was treated with rt-PA and interventional endovascular revascularization and developed rapidly progressing angioedema that led to emergency intubation. The standard treatment was not very effective and the swelling improved after infusion of fresh frozen plasma. Angioedema after rt-PA infusion could be a life-threatening emergency that requires quick airway management by skilled professionals. As this condition is triggered by several factors, such as unregulated histamine and bradykinin production, the traditional treatment recommended by the guidelines may not be sufficient and the use of FFP can be considered as a safe and valuable aid.

Serum lipoprotein-associated phospholipase A2 level is positively correlated with the recurrence risk of acute ischemic cerebral infarction in hypertensive patients / 南方医科大学学报

OBJECTIVE@#To explore the relationship between serum lipoprotein-associated phospholipase A2 (Lp-PLA2) level and the risk of acute ischemic stroke (AIS) recurrence in hypertensive patients.@*METHODS@#This retrospective case-control study was conducted among 211 hypertensive patients with AIS treated in Foshan First People's Hospital, including 35 patients with recurrence of AIS during the 1-year follow-up as confirmed by head CT/MR. In the overall patients, 60 had grade 1 hypertension (including 5 recurrent cases), 76 had grade 2 hypertension (with 11 recurrent cases), and 75 had grade 3 hypertension (with 19 recurrent cases). Univariate analysis, multivariate logistic regression analysis, trend analysis, and smooth curve fitting analysis were performed to explore the correlation between serum Lp-PLA2 level within 24 h after admission and the risk of AIS recurrence. The predictive efficacy of serum Lp-PLA2 level for AIS recurrence in different hypertension grades was evaluated using ROC curve analysis.@*RESULTS@#Serum Lp-PLA2 level, age, NIHSS score at admission, mRS scores at 7 days, homocysteine level and smoking status differed significantly between patients with and without AIS recurrence (P < 0.05). After adjustment for confounding factors, multivariate regression analysis showed that the highest tertile of Lp-PLA2 level was associated with a 4.13-fold increase of AIS recurrence risk compared with the lowest tertile (OR=5.13, 95% CI: 1.35-19.40), and each 1 ng/mL increase of Lp-PLA2 level was associated with a 1% increase of AIS recurrence risk (OR= 1.01, 95% CI: 1.01-1.02). Serum Lp-PLA2 level was shown to positively correlate with AIS recurrence risk, and in patients with grade 3 hypertension, its areas under the ROC curve for predicting AIS recurrence was 0.869 with a specificity of 0.893 and a sensitivity of 0.737.@*CONCLUSION@#Serum Lp-PLA2 concentration is an independent risk factor and potentially an effective predictor for AIS recurrence in patients with grade 3 hypertension.

Metformin use and risk of ischemic stroke in patients with type 2 diabetes: A cohort study / 北京大学学报(医学版)

OBJECTIVE@#To explore the association between the use of metformin and the risk of ischemic stroke in patients with type 2 diabetes.@*METHODS@#A prospective cohort study was designed from the Fangshan family cohort in Beijing. According to metformin use at baseline, 2 625 patients with type 2 diabetes in Fangshan, Beijing were divided into metformin group or non-metformin group and the incidence of ischemic stroke between the different groups during follow-up was estimated and compared by Cox proportional hazard regression model. The participants with metformin were first compared with all the parti-cipants who did not use metformin, and then were further compared with those who did not use hypoglycemic agents and those who used other hypoglycemic agents.@*RESULTS@#The patients with type 2 diabetes were with an average age of (59.5±8.7) years, and 41.9% of them were male. The median follow-up time was 4.5 years. A total of 84 patients developed ischemic stroke during follow-up, with a crude incidence of 6.4 (95%CI: 5.0-7.7) per 1 000 person-years. Among all the participants, 1 149 (43.8%) took metformin, 1 476 (56.2%) were metformin non-users, including 593 (22.6%) used other hypoglycemic agents, and 883 (33.6%) did not use any hypoglycemic agents. Compared with metformin non-users, the Hazard ratio (HR) for ischemic stroke in metformin users was 0.58 (95%CI: 0.36-0.93; P = 0.024). Compared with other hypoglycemic agents, HR was 0.48 (95%CI: 0.28-0.84; P < 0.01); Compared with the group without hypoglycemic agents, HR was 0.65 (95%CI: 0.37-1.13; P=0.13). The association between metformin and ischemic stroke was statistically significant in the patients ≥ 60 years old compared with all the metformin non-users and those who used other hypoglycemic agents (HR: 0.48, 95%CI: 0.25-0.92; P < 0.05). Metformin use was associated with a lower incidence of ischemic stroke in the patients with good glycemic control (0.32, 95%CI: 0.13-0.77; P < 0.05). In the patients with poor glycemic control, and the association was not statistically significant (HR: 0.97, 95%CI: 0.53-1.79; P>0.05). There was an interaction between glycemic control and metformin use on incidence of ischemic stroke (Pinteraction < 0.05). The results of the sensitivity analysis were consistent with the results in the main analysis.@*CONCLUSION@#Among patients with type 2 diabetic in rural areas of northern China, metformin use was associated with lower incidence of ischemic stroke, especially in patients older than 60 years. There was an interaction between glycemic control and metformin use in the incidence of ischemic stroke.

Complicaciones neurológicas y extra neurológicas en pacientes con ACV internados en el Hospital de Clínicas de Montevideo durante un período de 2 años / Neurological and extra-neurological complications in stroke patients treated at Hospital de Clinicas during a 2 years period / Complicações neurológicas e extraneurológicas em pacientes com AVC internados no Hospital de Clínicas de Montevidéu por um período de 2 anos

Introducción: Los pacientes con Ataque Cerebrovascular (ACV) presentan un elevado riesgo de complicaciones durante la internación, que pueden condicionar su pronóstico. Objetivos: Describir las complicaciones neurológicas y extra neurológicas durante la internación. Evaluar sus características y diferencias de acuerdo al tipo de ACV. Identificar factores predictores de complicaciones y de mortalidad intrahospitalaria. Pacientes y métodos: Fueron incluidos en el estudio los pacientes atendidos en el Hospital de Clínicas (HC) de Montevideo con diagnóstico de ACV entre 1/1/14 y 31/12/15. Se analizaron las principales características clínico-epidemiológicas de los pacientes, se pesquisó la presencia o no de complicaciones según el subtipo y se clasificaron en Neurológicas y Extra Neurológicas (Sistémicas y Cardiovasculares). Resultados: Se analizaron 206 pacientes, 57 % de los cuales presentaron complicaciones, indistintamente del subtipo de ACV. Las más habituales fueron las sistémicas, en 49 % de los casos. La edad, diabetes, NIHSS al ingreso, cardiopatía previa y trombólisis se asociaron en forma significativa e independiente a complicaciones. La mortalidad intrahospitalaria fue 11 %, siendo significativamente menor en los pacientes que ingresaron a la Unidad de ACV del centro. Conclusiones: Las complicaciones fueron muy frecuentes y la principal causa de muerte, siendo las sistémicas las más prevalentes. Ciertas variables se asociaron a un mayor riesgo de complicaciones: edad, diabetes, cardiopatía previa, NIHSS al ingreso, y la trombolisis. La Unidad de ACV descendió la mortalidad en forma significativa.

Introduction: Stroke patients present high risk of complications conditioning its prognosis. Objectives: To describe neurological and extra-neurological complications during admission. To evaluate complications according with stroke subtype, identifying morbidity and mortality predictive factors. Patients and methods : All patients treated at the Hospital de Clínicas (HC) with a diagnosis of stroke between 01/01/14 and 12/31/15 were analyzed. The presence or absence of complications was also analyzed according to stroke subtype during the hospital stay and were classified into three groups: neurological and extra-neurological, the last ones subdivided into systemic and cardiovascular diseases. Results: Sample of 206 patients. 57 % of them presented complications, regardless to the stroke subtype. The most common complications were the systemic ones (49 %). Age, diabetes, NIHSS at admission, previous cardiac disease and thrombolysis were significantly associated with complications. Overall mortality was 11 %. Mortality was significantly lower for patients admitted to the institutional Stroke Unit. Conclusions : Stroke complications were very frequent and are the main cause of mortality, with systemic complications being the most common. Furthermore, there are other variables which are associated with a greater risk of complications such as older age, diabetes, previous heart disease, NIHSS at admission, and thrombolysis. Admission to stroke unit resulted in a significant decrease in the mortality rate.

Introdução: Pacientes com Ataque Cerebrovascular (AVC) apresentam alto risco de complicações durante a hospitalização, o que pode condicionar seu prognóstico. Objetivos: Descrever as complicações neurológicas e extra neurológicas durante a hospitalização. Avalie suas características e diferenças de acordo com o tipo de ACV. Identifique fatores que predizem complicações e mortalidade hospitalar. Pacientes e métodos: Os pacientes atendidos no Hospital de Clínicas (HC) de Montevidéu com diagnóstico de acidente vascular cerebral entre 1/1/14 e 31/12/15 foram incluídos no estudo. As principais características clínico-epidemiológicas dos pacientes foram analisadas e a presença ou ausência de complicações de acordo com o subtipo foi investigada e classificada em Neurológica e Extra Neurológica (Sistêmica e Cardiovascular). Resultados: foram analisados 206 pacientes, 57 % dos quais apresentaram complicações, independentemente do subtipo ACV. Os mais comuns foram sistêmicos, em 49 % dos casos. Idade , diabetes, NIHSS na admissão, Trombólise foram significativamente associados a complicações. A mortalidade intra-hospitalar foi de 11 %, sendo significativamente menor nos pacientes internados na Unidade de ACV do centro. Conclusões: As complicações foram muito freqüentes e a principal causa de morte, sendo as sistêmicas as mais prevalentes. Certas variáveis foram associadas a um risco aumentado de complicações: idade, diabetes, doença cardíaca prévia, NIHSS na admissão e trombólise. A Unidade de ACV diminuiu significativamente a mortalidade.

Association between serum non-high-density lipoprotein cholesterol and cognitive dysfunction after acute ischemic stroke: a cross-sectional study

This study aimed to explore the association between serum non-high-density lipoprotein cholesterol (non-HDL-C) and cognitive dysfunction risk in patients with acute ischemic stroke (AIS). This cross-sectional study enrolled 583 AIS patients. Biochemical markers and lipid profile were collected after admission. AIS patients were classified into high group (non-HDL-C ≥3.4 mM) and normal group (non-HDL-C <3.4 mM). Mini-Mental State Examination scale (MMSE), Montreal Cognitive Assessment scale (MoCA), Activities of Daily Living (ADL) scale, Neuropsychiatric Inventory (NPI), and Hamilton Depression scale 21 version (HAMD-21) were applied on the third day after admission. Compared with the control group, patients of the high group had higher body mass index and higher frequency of intracranial artery stenosis, and exhibited higher levels of non-HDL-C, total cholesterol, triglycerides, low-density lipoprotein cholesterol, homocysteine, fasting blood glucose, and glycosylated hemoglobin (HbA1c), and lower levels of high-density lipoprotein cholesterol (all P<0.05). Compared with the control group, patients of the high group had significantly lower MMSE and MoCA scores (MMSE: 26.01±4.17 vs 23.12±4.73, P<0.001; MoCA: 22.28±5.28 vs 20.25±5.87, P<0.001) and higher scores on the NPI and HAMD-21 (both P<0.001). MMSE (r=-0.306, P<0.001) and MoCA scores (r=-0.251, P<0.001) were negatively associated with non-HDL-C level. Multivariate regression analysis revealed that non-HDL-C level (OR=1.361, 95%CI: 1.059-1.729, P=0.016) was independently associated with the presence of cognitive dysfunction after adjusting for confounding factors. High serum non-HDL-C level might significantly increase the risk of cognitive dysfunction after AIS.

Relationship between Circadian Rhythm Disorder of Blood Pressure and Ischemic Stroke / 中国医学科学院学报

Hypertension plays an important role in the pathogenesis of stroke,which,however,is only known at the blood pressure level.The relationship between circadian rhythm of blood pressure(especially the circadian rhythm disorder of blood pressure)and stroke has been a hot research topic.This article reviews the concept of circadian rhythm of blood pressure,classification of circadian rhythm disorder of blood pressure,and the relationship of circadian rhythm disorder of blood pressure with ischemic stroke.

Traumatic Cervical Artery Dissection and Ischemic Stroke: Anticoagulation or Antiplatelet Therapy? The Controversies Remain / Dissecção traumática da artéria cervical e AVC isquêmico: anticoagulação ou terapia antiplaquetária? A polêmica continua

Arterial dissection of the wall of the carotid artery is a recognized and significant cause of stroke. We described a 22-year-old man presented to the emergency department after a motorcycle accident. He had a right acetabular fracture and had not complained of other symptoms. A few minutes after being admitted, the patient developed left side hemiparesis. Emergency brain magnetic resonance imaging (MRI) revealed an acute ischemia in the left basal ganglia. Conventional angiography confirmed almost complete occlusion of carotid artery lumen. We treated the patient with antiplatelet therapy and he is currently followed at the outpatient clinic with good recovery of motor symptoms. Early identification and management of cervical artery dissection is important, as it is one of the major causes of ischemic stroke in young adults. Despite previous published articles, the best treatment of carotid artery dissection, especially after trauma, remains controversial.

Dissecação da parede da artéria carótida interna é uma causa reconhecida de acidente vascular cerebral. Descrevemos um jovem de 22 anos admitido na emergência após acidente motociclístico. Inicialmente foi diagnosticado somente fratura acetabular, sem nenhuma outra queixa pelo paciente. Poucos minutos após admissão, o paciente evoluiu com hemiparesia esquerda. Encaminhado a ressonânciamagnética do encéfalo em caráter de urgência, identificou-se isquemia aguda nos gânglios da base à esquerda. Angiografia convencional demonstrou oclusão quase completa da artéria carótida interna. O caso foi tratado com terapia antiagregante plaquetária e atualmente o

Dissecação da parede da artéria carótida interna é uma causa reconhecida de acidente vascular cerebral. Descrevemos um jovem de 22 anos admitido na emergência após acidente motociclístico. Inicialmente foi diagnosticado somente fratura acetabular, sem nenhuma outra queixa pelo paciente. Poucos minutos após admissão, o paciente evoluiu com hemiparesia esquerda. Encaminhado a ressonânciamagnética do encéfalo em caráter de urgência, identificou-se isquemia aguda nos gânglios da base à esquerda. Angiografia convencional demonstrou oclusão quase completa da artéria carótida interna. O caso foi tratado com terapia antiagregante plaquetária e atualmente o paciente está em acompanhamento ambulatorial com boa recuperação dos sintomas motores. Como uma das maiores causas de acidente vascular cerebral isquêmico em jovens, a identificação precoce emanejo da dissecação cervical é importante. A depeito dos trabalhos previamente publicados, o melhor tratamento para a dissecação carótidea, especialmente após trauma, permanece controversa.