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infarction/hypoxia

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Faqja 1 nga 3813 rezultatet
The proteome profile changes after acute myocardial infarction (AMI) and the roles played by important protein species remain poorly understood. Here, we constructed a mouse AMI model by ligating the left coronary artery of male C57B/6J mice to investigate the molecular changes after AMI on the

Acute right to left shunt through patent foramen ovale presenting as hypoxemia after myocardial infarction: a case report.

Vetëm përdoruesit e regjistruar mund të përkthejnë artikuj
Identifikohuni Regjistrohu
BACKGROUND This is a report of a 56-year-old man who became hypoxic due to an acute right to left shunt after sustaining a myocardial infarction involving the right ventricle. This case provides the opportunity to review several key pathophysiologic concepts in the setting of acute right ventricular

[Severe tricuspid valve insufficiency due to papillary anterior muscle infarction of the right ventricle secondary to neonatal hypoxia].

Vetëm përdoruesit e regjistruar mund të përkthejnë artikuj
Identifikohuni Regjistrohu
A fatal case of a stressed newborn baby who developed tricuspid insufficiency due to an anterior papillary muscle infarction of the right ventricle, related to perinatal anoxia is reported. The baby needed resuscitation management and had a systolic murmur soon after birth. The echocardiographic
BACKGROUND Volatile anesthetics are known to protect the heart against ischemia-reperfusion injury. The authors tested whether anesthetic preconditioning with isoflurane is mediated via activation of the transcription factor hypoxia inducible factor 1 (HIF-1) and evaluated the role of mammalian

In vivo remote delivery of DNA encoding for hypoxia-inducible factor 1 alpha reduces myocardial infarct size.

Vetëm përdoruesit e regjistruar mund të përkthejnë artikuj
Identifikohuni Regjistrohu
We tested if remote gene delivery of hypoxia-inducible factor 1 alpha (HIF-1 alpha) protected hearts against induced ischemia, hypothesizing that gene delivery into skeletal muscle may lead to secretion of proteins with actions elsewhere. Murine quadriceps muscles were transfected with DNA encoding
OBJECTIVE Our aim was to investigate the involvement of the endothelin (ET) system in the cardiovascular consequences of intermittent hypoxia (IH). BACKGROUND Obstructive sleep apnea (OSA) syndrome is an important risk factor for cardiovascular morbidity. Chronic IH, a major component of OSA, is
BACKGROUND Hypoxia inducible factors (HIFs) are transcription factors that are regulated by HIF-prolyl 4-hydroxylases (PHDs) in response to changes in oxygen tension. Once activated, HIFs play an important role in angiogenesis, erythropoiesis, proliferation, cell survival, inflammation, and energy
Prolyl hydroxylase domain-containing enzymes (PHD) hydroxylate a proline residue that controls the degradation of hypoxia inducible factor (HIF). Hypoxia inhibits this hydroxylation thus increasing HIF levels. HIF is upregulated in ischemic tissues, growing tumors and in nonischemic, mechanically

Hypoxemia and lung water in acute myocardial infarction.

Vetëm përdoruesit e regjistruar mund të përkthejnë artikuj
Identifikohuni Regjistrohu
Pulmonary extravascular volume or lung water (PEV), arterial blood gases, and cardiac hemodynamics were measured in 88 patients with acute myocardial infarction. A progressive increase in PEV and a decrease in arterial oxygen tension (PaO2) were observed from Class I (uncomplicated) patients to
miRs (microRNAs, miRNAs) intricately regulate physiological and pathological processes. Although miR-7a/b protects against cardiomyocyte injury in ischemia/reperfusion injury, the function of miR-7a/b in myocardial infarction (MI)-induced cardiac remodeling remains unclear. Here, we sought to

Oxidative stress mediates cardiac infarction aggravation induced by intermittent hypoxia.

Vetëm përdoruesit e regjistruar mund të përkthejnë artikuj
Identifikohuni Regjistrohu
We have previously shown that chronic intermittent hypoxia (IH), a component of the obstructive sleep apnea syndrome, increases heart sensitivity to infarction. We investigate here the deleterious mechanisms potentially involved in the IH-induced infarction aggravation, investigating the role of

Induction of collateral circulation by hypoxia-inducible factor 1alpha decreased cerebral infarction in the rat.

Vetëm përdoruesit e regjistruar mund të përkthejnë artikuj
Identifikohuni Regjistrohu
BACKGROUND We recently reported that hypoxia-inducible factor 1alpha (HIF-1alpha), HIF-2alpha and cyclooxygenase 2 naked DNA induced angiogenesis in a rat indirect bypass model. In this work, we investigated whether the collateral circulation induced by HIF-1alpha DNA affected the cerebral
After adaptation to hypoxia experimental myocardial infarction does not result in enhanced vasodilatory responses of isolated tail artery from rat to acetylcholine and isoproterenol. At the same time the vascular reactivity to norepinephrine and phenylephrine is enhanced. These data may explain the

[Effect of adaptation to periodic hypoxia on post-infarction fall of blood pressure and hyperactivation of the endothelium].

Vetëm përdoruesit e regjistruar mund të përkthejnë artikuj
Identifikohuni Regjistrohu
Acute stress concomitant to the experimental myocardial infarction has induced endothelial hyperactivation of the rat aorta exhibited in an increase of inhibition of norepinephrine-induced contractions of vascular smooth muscle, enhanced endothelium-dependent relaxation correlating with a fall of

Misidentification of infarct core by computed tomography perfusion (CTP) in a patient with acute ischemic stroke with hypoxia.

Vetëm përdoruesit e regjistruar mund të përkthejnë artikuj
Identifikohuni Regjistrohu
The authors reported a case with acute right, middle cerebral artery infarct in which the early infarct area was detected by CTP recovery later after the treatment. The patient had hypoxia and tachypnea from pulmonary edema during acute ischemic stroke, which may have accentuated the ischemic change
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