Use the labels in the right column to find what you want. Or you can go thru them one by one, there are only 33,991 posts. Searching is done in the search box in upper left corner. I blog on anything to do with stroke. DO NOT DO ANYTHING SUGGESTED HERE AS I AM NOT MEDICALLY TRAINED, YOUR DOCTOR IS, LISTEN TO THEM. BUT I BET THEY DON'T KNOW HOW TO GET YOU 100% RECOVERED. I DON'T EITHER BUT HAVE PLENTY OF QUESTIONS FOR YOUR DOCTOR TO ANSWER.
Changing stroke rehab and research worldwide now.Time is Brain!trillions and trillions of neuronsthatDIEeach day because there areNOeffective hyperacute therapies besides tPA(only 12% effective). I have 523 posts on hyperacute therapy, enough for researchers to spend decades proving them out. These are my personal ideas and blog on stroke rehabilitation and stroke research. Do not attempt any of these without checking with your medical provider. Unless you join me in agitating, when you need these therapies they won't be there.
What this blog is for:
My blog is not to help survivors recover, it is to have the 10 million yearly stroke survivors light fires underneath their doctors, stroke hospitals and stroke researchers to get stroke solved. 100% recovery. The stroke medical world is completely failing at that goal, they don't even have it as a goal. Shortly after getting out of the hospital and getting NO information on the process or protocols of stroke rehabilitation and recovery I started searching on the internet and found that no other survivor received useful information. This is an attempt to cover all stroke rehabilitation information that should be readily available to survivors so they can talk with informed knowledge to their medical staff. It lays out what needs to be done to get stroke survivors closer to 100% recovery. It's quite disgusting that this information is not available from every stroke association and doctors group.
Large vessel occlusion stroke may be particularly vulnerable to the effects of hyperglycemia.
•
We analyzed intracerebral hemorrhage severity as a result of hyperglycemia-induced
toxicity.
•
Increasing blood glucose was associated with increasing severity of intracerebral
hemorrhage.
•
Future study is needed to determine if glycemic control improves outcomes in this
population.
ABSTRACT
Objectives
Hyperglycemia is associated with poor outcome in large vessel occlusion (LVO) stroke,
with mechanism for this effect unknown.
Materials and Methods
We used our prospective, multicenter, observational study, Blood Pressure After Endovascular
Stroke Therapy (BEST), of anterior circulation LVO stroke undergoing endovascular
therapy (EVT) from 11/2017-7/2018 to determine association between increasing blood
glucose (BG) and intracerebral hemorrhage (ICH). Our primary outcome was degree of
ICH, classified as none, asymptomatic ICH, or symptomatic ICH (≥4-point increase in
National Institutes of Health Stroke Scale [NIHSS] at 24 hours with any hemorrhage
on imaging). Secondary outcomes included 24-hour NIHSS, early neurologic recovery
(ENR, NIHSS 0-1 or NIHSS reduction by ≥8 within 24 hours), and 90-day modified Rankin
Scale (mRS) using univariate and multivariable regression.
Results
Of 485 enrolled patients, increasing BG was associated with increasing severity of
ICH (adjusted OR, aOR 1.06, 95% CI 1.02-1.1, p<0.001), higher 24-hour NIHSS (aOR 1.22,
95% CI 1.11-1.34, p<0.001), ENR (aOR 0.90, 95% CI 0.82-1.00, p<0.002), and 90-day
mRS (aOR 1.06, 95% CI 1.03-1.09, p<0.001) when adjusted for age, presenting NIHSS,
ASPECTS, 24-hour peak systolic blood pressure, time from last known well, and successful
recanalization.
Conclusions
In the BEST study, increasing BG was associated with greater odds of increasing ICH
severity. Further study is warranted to determine whether treatment of will decrease
ICH severity following EVT.
Hyperglycemia
is associated with worse stroke outcomes but it is uncertain whether
tight glycaemic control during the acute stroke period is associated
with a better outcome. We conducted a meta-analysis to compare the
effect of tight glycemic control versus loose glycemic control in the
acute phase of stroke patients.
Methods:
A
literature search was performed to identify randomized controlled
trials (RCTs) comparing the safety and efficacy of tight glycemic
control with a relatively loose control of blood glucose of acute stroke
(ischemic or hemorrhagic) patients within 24 hours after stroke onset.
We required that the blood glucose level of the patients should not be
lower than 6.11mmol/L at the time of enrollment, and for the intensive
blood glucose control range, we defined the blood glucose level as lower
than that of the control group.Tight glycaemic control was defined as
blood glucose ≥ 6.11 mmol/L. The primary efficacy outcome measure was
deaths from any cause at 90 days. Secondary efficacy outcomes comprised
the number of participants with modified Rankin score (mRS), We define
mRS scores 0-2 as favorable scores, recurrent stroke, and the National
Institute of Health stroke scale (NIHSS) or the European Stroke Scale
(ESS) scores. We defined the number of participants with hypoglycemia as
our primary safety outcome. Subgroup analysis was performed according
to age, the variety of interventions, maintained glucose level, and
status of hypoglycemia on NIHSS scores or ESS scores.
Results:
Fifteen
RCTs with 2957 participants meeting the including criteria were
identified and included in this meta-analysis, although not all included
data on every outcome measure. Data on the primary efficacy endpoint,
mortality at 90 days, was available in 11 RCTs a total of 2575
participants. There was no significant difference between the
intervention and control groups (OR: 1.00; 95%CI: 0.81 to 1.23; P=0.99).
For secondary endpoints, there was no difference between intervention
and control groups for a mRS < from 0-2 (OR: 0.96; 95%CI: 0.80 to
1.15; P=0.69; data from 9 RCTs available), or recurrent stroke (OR:
1.34; 95%CI: 0.92 to 1.96; P=0.13; data from 3 RCTs available). For
NIHSS scores or ESS scores, there was a small difference in favor of
intensive controls (SMD: -0.29; 95%CI: -0.54 to -0.04; P=0.02) There was
a marked increase in hypoglycemia with tight control: (OR of 9.46
(95%CI: 4.59 to 19.50; P<0.00001; data from 9 RCTs available)
Conclusions:
There
was no difference between tight and loose glycemic control on
mortality, independence, or recurrent stroke outcome in acute stroke,
but an increase in hypoglycaemia. There was a small effect improvement
on neurological scales but the relevance of this needs confirming in
future adequately powered studies.
Hyperglycemia
in acute ischemic stroke reduces the efficacy of stroke thrombolysis
and thrombectomy, with worse clinical outcomes. Insulin-based therapies
are difficult to implement and may cause hypoglycemia. We investigated
whether exenatide, a GLP-1 (glucagon-like peptide-1) receptor agonist,
would improve stroke outcomes, and control poststroke hyperglycemia with
minimal hypoglycemia.
METHODS:
The
TEXAIS trial (Treatment With Exenatide in Acute Ischemic Stroke) was an
international, multicenter, phase 2 prospective randomized clinical
trial (PROBE [Prospective Randomized Open Blinded End-Point] design)
enrolling adult patients with acute ischemic stroke ≤9 hours of stroke
onset to receive exenatide (5 µg BID subcutaneous injection) or standard
care for 5 days, or until hospital discharge (whichever sooner). The
primary outcome (intention to treat) was the proportion of patients with
≥8-point improvement in National Institutes of Health Stroke Scale
score (or National Institutes of Health Stroke Scale scores 0–1) at 7
days poststroke. Safety outcomes included death, episodes of
hyperglycemia, hypoglycemia, and adverse event.
RESULTS:
From
April 2016 to June 2021, 350 patients were randomized (exenatide,
n=177, standard care, n=173). Median age, 71 years (interquartile range,
62–79), median National Institutes of Health Stroke Scale score, 4
(interquartile range, 2–8). Planned recruitment (n=528) was stopped
early due to COVID-19 disruptions and funding constraints. The primary
outcome was achieved in 97 of 171 (56.7%) in the standard care group
versus 104 of 170 (61.2%) in the exenatide group (adjusted odds ratio,
1.22 [95% CI, 0.79–1.88]; P=0.38). No differences in secondary
outcomes were observed. The per-patient mean daily frequency of
hyperglycemia was significantly less in the exenatide group across all
quartiles. No episodes of hypoglycemia were recorded over the treatment
period. Adverse events of mild nausea and vomiting occurred in 6 (3.5%)
exenatide patients versus 0 (0%) standard care with no withdrawal.
CONCLUSIONS:
Treatment
with exenatide did not reduce neurological impairment at 7 days in
patients with acute ischemic stroke. Exenatide did significantly reduce
the frequency of hyperglycemic events, without hypoglycemia, and was
safe to use. Larger acute stroke trials using GLP-1 agonists such as
exenatide should be considered.
We
evaluated the effect of persistent hyperglycemia on outcomes in 1000
patients with intracerebral hemorrhage enrolled within 4.5 hours of
symptom onset.
Methods:
We
defined moderate and severe hyperglycemia based on serum glucose levels
≥140 mg/dL—<180 and ≥180 mg/dL, respectively, measured at baseline,
24, 48, and 72 hours. Persistent hyperglycemia was defined by 2
consecutive (24 hours apart) serum glucose levels. We evaluated the
relationship between moderate and severe hyperglycemia and death or
disability (defined by modified Rankin Scale score of 4–6) at 90 days in
the overall cohort and in groups defined by preexisting diabetes.
Results:
In
the multivariate analysis, both moderate (odds ratio, 1.8 [95% CI,
1.1–2.8]) and severe (odds ratio, 1.8 [95% CI, 1.2–2.7]) hyperglycemia
were associated with higher 90-day death or disability after adjusting
for Glasgow Coma Scale score, hematoma volume, presence or absence of
intraventricular hemorrhage, hyperlipidemia, cigarette smoking, and
hypertension (no interaction between hyperglycemia and preexisting
diabetes, P=0.996). Among the patients without preexisting
diabetes, both moderate (odds ratio, 1.8 [95% CI, 1.0–3.2]) and severe
(odds ratio, 2.0 [95% CI, 1.1–3.7]) hyperglycemia were associated with
90-day death or disability after adjusting for above mentioned potential
confounders. Among the patients with preexisting diabetes, moderate and
severe hyperglycemia were not associated with 90-day death or
disability.
Conclusions:
Persistent
hyperglycemia, either moderate or severe, increased the risk of death
or disability in nondiabetic patients with intracerebral hemorrhage.
What is the name of the test we need to be asking our doctors to perform? And the readout that is a concern? Since doctors and hospitals don't read and implement research findings it is up to stroke survivors to fill in the gaps.
Presence of hyperglycemia at hospital admission for stroke was linked
with elevated risk for subsequent stroke by 90 days, an increase that
dual antiplatelet therapy seemingly failed to curtail, researchers
reported.
According to research published in the Journal of the American Heart Association,
serum glucose measurement may represent a quick and easy assay to
identify patients hospitalized for transient ischemic attack or minor
ischemic stroke who are at particularly high risk for subsequent stroke.
Source: Adobe Stock
“The risk of subsequent stroke is as high as 17% in the 90 days
following the index event, but this risk is front-loaded within the
first 7 days. For this reason, there is a need to incorporate dynamic
physiological metrics into risk stratification schemes, and not simply
long-term risk factors,” Brian Mac Grory, MB BCh BAO, MRCP,
assistant professor of neurology at Duke University School of Medicine,
and colleagues wrote. “Serum glucose is an intriguing potential
predictor of recurrent stroke risk, because it is already assessed in
the majority of patients with acute stroke using widely available,
low-cost assays.”
Researchers conducted a secondary analysis of the POINT trial to
assess the relationship between hyperglycemia ( 180 mg/dL) compared with
normoglycemia (< 180 mg/dL) and 90-day outcomes following stroke
hospitalization. Researchers also evaluated the effects of DAPT in this
population. The primary endpoint was subsequent ischemic stroke.
POINT was a randomized controlled trial
that assessed the effects of aspirin plus clopidogrel compared with
aspirin alone for prevention of recurrent stroke among patients with TIA
or minor ischemic stroke.
As Healio previously reported,
although DAPT may lower risk for recurrent stroke compared with aspirin
alone, it may increase risk for major hemorrhagic bleeding.
Impact of hyperglycemia on secondary stroke risk
Among the 4,878 participants in the POINT study, by 90 days, 267
experienced recurrent stroke, with a cumulative incidence of 9.7% in
patients with hyperglycemia and 5.2% in those normoglycemic (log-rank P < .001).
After adjusting for age, sex, race, ethnicity, treatment assignment,
index event classification and vascular risk factors as covariates,
researchers observed significant association between hyperglycemia at
hospital admission for TIA or minor ischemic stroke and risk for
subsequent stroke compared with normoglycemia (HR = 1.5; 95% CI,
1.05-2.14; P = .01).
According to the study, hyperglycemia at stroke admission was also
tied to a composite of ischemic stroke, MI or vascular death compared
with normoglycemia (HR = 1.55; 95% CI, 1.1-2.2; P = .01).
In a similarly adjusted model, researchers found no association
between hyperglycemia and major hemorrhage compared with normoglycemia
(HR = 0.47; 95% CI, 0.11-1.99; P = .31).
DAPT in hyperglycemia following stroke
Researchers reported no risk reduction for subsequent stroke with
DAPT initiation in patients with hyperglycemia (HR = 1.18; 95% CI,
0.69-2.03), but found there was lower risk in patients with
normoglycemia (HR = 0.63; 95% CI, 0.48-0.83; P for interaction = .04).
“The benefits of clopidogrel/aspirin were not apparent in the small
subgroup of patients with hyperglycemia, with an interaction observed
between clopidogrel and serum glucose on subsequent stroke,” the
researchers wrote.
In a sensitivity analysis that incorporated serum glucose as a
continuous variable, researchers saw evidence of a nonlinear
relationship between serum glucose and risk for subsequent stroke (P < .001).
So follow up research needed to actually
get beyond just knowledge. Your doctor and hospital are responsible for
getting such research initiated. If they don't that means the board of
directors has completely failed at setting the correct goals for the
stroke hospital.
Correspondence to Dr Rabih G Tawk, Department of Neurosurgery, Mayo Clinic, Jacksonville, Florida FL 32224, USA; tawk.rabih@mayo.edu
Abstract
Mechanical
thrombectomy (MT) represents the mainstay of treatment for patients
with acute ischemic stroke due to large-vessel occlusion (LVO).
Intravenous thrombolysis has been associated with worse clinical outcome
in patients presenting with high blood glucose levels at admission; to
date the true effect of hyperglycemia in the setting of MT has not been
fully elucidated. In this meta-analysis, we analyzed the influence of
high blood glucose levels at admission on clinical outcome after MT.
Ovid EMBASE, PubMed, Scopus, and Cochrane Library databases were
searched from their dates of inception up to March 2021. An initial
search identified 2118 articles representing 1235 unique studies. After
applying selection criteria, three prospective and five retrospective
studies were analyzed, yielding a pooled cohort of 5861 patients (2041
who presented with hyperglycemia, and 3820 who presented with normal
blood glucose levels). Patients in the hyperglycemia group were less
likely to have a modified Ranking Scale (mRS) score <3 (risk ratio
(RR): 0.65; 95% CI 0.59 to 0.72; p<0.0001; I2=13%), and had an increased risk of symptomatic intracranial hemorrhage (sICH) (RR: 2.07; 95% CI 1.65 to 2.60; p<0.0001; I2=0%) and mortality (RR: 1.73; 95% CI 1.57 to 1.91; p<0.0001; I2=0%).
Patients who present with hyperglycemia and undergo MT for treatment of
LVO have an increased risk of unfavorable clinical outcome, sICH, and
mortality. Glucose levels at admission appear to be a prognostic factor
in this subset of patients. Further studies should focus on evaluating
control of the glucose level at admission as a modifiable risk factor in
patients undergoing MT for LVO.
Contributors
RGT had the idea for the article. CP-V, RAD, ST, and AR-F performed the
literature review, data collection, data analysis, and writing of the
article. RGT, WCF, MPL, AQ-H, and SK performed critical evaluation,
writing of the article evaluation, and revised the final version.
Funding
The authors have not declared a specific grant for this research from
any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.
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liability and responsibility arising from any reliance placed on the
content. Where the content includes any translated material, BMJ does
not warrant the accuracy and reliability of the translations (including
but not limited to local regulations, clinical guidelines, terminology,
drug names and drug dosages), and is not responsible for any error
and/or omissions arising from translation and adaptation or otherwise.
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Chronic hyperglycemia contributes to cerebrovascular
dysfunction by damaging blood vessels. Poor glucose control has been
tied to impairments in cerebral blood flow, which may be particularly
detrimental for people recovering from major cerebrovascular events such
as acute ischemic stroke. In this secondary analysis, we explore for
the first time the connection between chronic hyperglycemia before acute
stroke and the cerebrovascular response (CVR) to exercise 3 and 6 month
into the subacute recovery period.
Methods
We recorded middle cerebral artery velocity (MCAv)
using transcranial Doppler ultrasound bilaterally at rest and during
moderate‐intensity exercise in stroke patients at 3 (n = 19) and 6 (n = 12)
months post‐stroke. We calculated CVR as the difference between MCAv
during steady‐state exercise and resting MCAv. We obtained hemoglobin
A1c levels (HbA1c; a measure of blood glucose over the prior 3 months)
from the electronic medical record (EMR) and divided participants by
HbA1c greater or less than 7%.
Results
Participants with high HbA1c (>7%) at the time of
acute stroke had significantly lower CVR to exercise for both the
stroke‐affected (p = .009) and non‐affected (p = .007) hemispheres at 3 months post‐stroke. These differences remained significant at 6 months post‐stroke (stroke‐affected, p = .008; non‐affected, p = .016).
Conclusions
Patients with chronic hyperglycemia before acute
ischemic stroke demonstrated impaired cerebrovascular function during
exercise months into the subacute recovery period. These findings
highlight the importance of maintaining tight glucose control to reduce
morbidity and improve recovery post‐stroke and could have implications
for understanding cerebrovascular pathophysiology.
1 INTRODUCTION
Chronic hyperglycemia causes systemic vascular damage. (Duckworth et al., 2009; Hemmingsen et al., 2011; Patel et al., 2008)
Therefore, the American College of Physicians (ACP) and American
Diabetes Association (ADA) recommend long‐term glucose
control—specifically, a hemoglobin A1c (HbA1c) level below 7%—in order
to minimize severity and frequency of vascular complications in diabetes
mellitus (DM) (Qaseem et al., 2018; Targets, 2019).
Without adequate control, chronic hyperglycemia increases the risk of
stroke and negatively affects cerebrovascular function in other
neurological disorders such as Alzheimer's disease and vascular
cognitive impairment. (Ergul et al., 2012)
Elevated blood glucose causes damage to both large and small vessels
with increasing evidence that stroke and vascular cognitive impairment
are the result of a combination of pathology in both types of cerebral
vessels. (Huber, 2008)
Reduced middle cerebral artery velocity (MCAv), a surrogate measure of
cerebral blood flow (CBF), has been reported in those with DM at rest
and in response to stimuli (e.g., hypercapnia) when compared to control
groups. (Cui et al., 2017; Jansen et al., 2016; Kadoi et al.,; Novak et al., 2006)
Additionally, we previously reported that cognitively normal older
adults with higher cardiovascular risk level, including those with DM,
have lower MCAv at rest and in response to moderate‐intensity exercise. (Perdomo et al.,)
In people with stroke, DM is often a comorbid condition
along with other traditional cardiovascular risk factors. (Kernan
et al., 2014)
Two recent reports have shown that people with stroke may have altered
cerebrovascular function when compared to their peers. (Kempf & A.,
Lui, Y., 2019; Robertson et al., 2019)
However, specific contributing factors to this cerebrovascular
dysfunction, such as chronic hyperglycemia (HbA1c > 7%), have yet to
be explored. Thus, it is unknown whether chronic hyperglycemia in the
months prior to acute ischemic stroke affects resting and exercising
MCAv during the subacute stage of stroke recovery.
To address this gap in the literature, the objective of this
secondary analysis was to explore whether elevated HbA1C at the time of
acute stroke was associated with impaired MCAv measures during rest and
exercise at 3 and 6 months post‐stroke. Specifically, we divided
participants into those with chronically uncontrolled blood glucose
(defined according to ADA and ACP guidelines as HbA1c > 7%) or
controlled blood glucose (HbA1c < 7%) at the time of acute stroke. We
hypothesized that the group with elevated HbA1c would have: 1) lower
resting MCAv, 2) reduced cerebrovascular response to exercise (CVR,
defined as exercising MCAv – resting MCAv), and 3) smaller percent
change in MCAv (%ΔMCAv, calculated to control for resting baseline
values) from rest to exercise at 3 and 6 months post‐stroke. As an
exploratory aim, we evaluated the CVR in participants stratified by Type
2 DM diagnosis with the hypothesis that the CVR would be significantly
negatively correlated with HbA1c level for individuals with Type 2 DM.
So all we need done is get this written up into a stroke protocol and distributed to every stroke hospital in the world. Hospitals not implementing this within a month need to be shut down. Damn it all, we need some action in stroke and that probably requires a lot of hospitals to be closed and stroke professionals fired. Cleaning house will not be done by the stroke medical world, they are the cause of the problems. We need survivors to take charge. http://journals.sagepub.com/doi/full/10.1177/1747493018784436?
Post-stroke
hyperglycemia occurs in up to 50% of patients presenting with acute
ischemic stroke. It reduces the efficacy of thrombolysis, increases
infarct size, and worsens clinical outcomes. Insulin-based therapies
have generally not been beneficial in treating post-stroke hyperglycemia
as they are difficult to implement, may cause hypoglycaemia, possibly
increase mortality and worsen clinical outcomes. Exenatide may be a
safer, simpler, and more effective alternative to insulin in acute
ischemic stroke.
Design
TEXAIS
is a three year, Phase 2, multi-center, prospective, randomized, open
label, blinded end-point trial comparing exenatide to standard of care.
It aims to recruit 528 patients with a primary end point of major
neurological improvement at 7 days defined as a ≥8-point improvement in
NIHSS score, or NIHSS 0–1. Secondary outcomes of hyper- and
hypoglycaemia at 5 days and NIHSS and mRS at 90 days will be measured.
The treatment arm will receive exenatide 5 µg subcutaneously twice
daily. The control arm will receive standard stroke unit care.
Continuous glucose monitors will track the dynamic variability of
glucose.
Conclusion
TEXAIS
aims to show that exenatide is safe and effective in the treatment of
post-stroke hyperglycemia. It has been designed to be highly
generalizable with an ability to enroll a large percentage of patients
with acute ischemic stroke, regardless of admission blood glucose level,
diabetes status, or stroke severity, with very low risk of
hypoglycemia. Trial registration: ClinicalTrials.gov/ANZCTR NTA1127
The
prevalence of post-stroke hyperglycemia (PSH) varies between 20 and 60%
at admission, particularly in stroke patients with pre-existing
diabetes.1–4 In patients without a previous diagnosis of diabetes, PSH is associated with an up to five-fold increased risk of death.2,5 Subsequent glucose normalization is associated with improved survival.2,5,6
Persistent hyperglycemia on serial glucose monitoring is an independent
determinant of infarct expansion and is associated with increased
short-term and long-term mortality and morbidity.7 Despite this, PSH is often poorly recorded, and uncertainty remains regarding appropriate management.8
Insulin protocols are difficult to implement, can cause hypoglycemia,
and most studies have failed to show that insulin therapy reduces
mortality or improves clinical outcomes.9–12 An Australian multi-centre, stroke care implementation study (n = 1086)
using a clearly defined insulin regimen reported that protocol
adherence was poor with only 40% of intervention group PSH patients
being treated with insulin.8
The
concept of hyperglycemic “neurotoxicity” has been suggested by both
animal models of stroke and clinical trials that report accelerated
penumbra-into-infarction conversion, and poor vessel recanalization.2,5,13,14
Hyperglycemia promotes intracellular lactic acidosis, directly damaging
ischemic tissue and increasing blood–brain barrier disruption which in
turn augments further inflammation6,15,16 and predisposes to symptomatic intracerebral hemorrhage.17,18 PSH is an independent risk factor for reduced tPA recanalization,5 reduces fibrinolytic activity,6,16
and increases oxidative stress and inflammation, all of which culminate
in a state of relative hypercoagulation. These deleterious effects of
PSH are more pronounced in patients who have early reperfusion,5,19 highlighting the need for a prompt and early PSH intervention.
Exenatide
is a short acting, synthetic, incretin hormone mimetic, i.e. a
glucagon-like peptide-1 receptor (GLP-1R) agonist. Following
subcutaneous injection, exenatide has a median peak plasma concentration
of 2.1 h. It increases insulin secretion in a glucose-dependent manner
such that the risk of hypoglycemia is very low.
In acute ischaemic
stroke (AIS) animal models, exenatide attenuates oxidative-induced
apoptosis, promotes anti-apoptotic proteins, and reduces infarct volume
by more than 50%.20,21
Small clinical trials in ST elevation myocardial infarction patients
receiving percutaneous coronary intervention indicate periprocedural
exenatide lowered glucose levels and increased myocardial salvage by
30%.22 Following a successful safety and feasibility pilot study,23
our group undertook a larger randomized study of 17 consecutive
patients with AIS comparing subcutaneous exenatide 5 µg twice daily for 5
days with routine standard of care. Exenatide was safe and simple to
use, and well tolerated by all patients. The aim of TEXAIS is to confirm
these findings, and test efficacy, in a larger Phase 2 study.
More at link.
Hyperglycemia
has been considered a predictor of stroke outcomes. In this article we
study the correlation between blood glucose levels within the first 24 h
after stroke onset and patients’ outcomes in mortality and hemorrhagic
transformations.
Methods:
Ninety-one
non-diabetic patients with acute ischemic stroke admitted to a
neurological intensive unit were recruited. Their blood glucose was
measured twice within 6 h (baseline) and at every hour after stroke
onset. Patients were collected into four groups as follows: those in
which normoglycemia and no hyperglycemia were observed at either
baseline or 24 h; those with baseline hyperglycemia and hyperglycemia
only at baseline; those with 24 h hyperglycemia and hyperglycemia only
at 24 h after stroke; and those with persistent hyperglycemia and
hyperglycemia at both baseline and at 24 h. Endpoints were designated as
the patient’s death within 30 days and/or hemorrhagic transformation
under computerized tomography within the first 7 days after stroke
onset.
Results:
Persistent
hyperglycemia was correlated with an increased risk of mortality within
30 days (OR = 24.0; 95% CI = 2.8–199.3) and it was also correlated with
hemorrhagic transformation (OR = 13.3; 95% CI = 2.7–66.1). Baseline or
delayed hyperglycemia were not correlated with any outcome.
Conclusions:
Persistent hyperglycemia was correlated with mortality after acute ischemic stroke.