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Georgiadis G S - - 2009
The existence of traumatic arterial spasm in large arteries is questionable in current literature. We report a case of a 19-year old man with comminuted unstable femur fracture who presented with an ischemic foot. Localized arterial spasm was revealed in the middle portion of the superficial femoral artery triggered by ...
Rekik Sofiene - - 2009
ST-segment elevation during dobutamine stress echocardiography is a serious complication usually related to severe coronary artery disease. However, it can occur in absence of significant coronary artery disease supposedly as a consequence of an occlusive dobutamine-induced coronary artery spasm. We report the case of a 56-year-old man without cardiovascular history ...
Smith Chez - - 2009
Diffuse coronary vasospasm is an unpredictable and serious complication following coronary artery bypass surgery. The treatment of this emergency is dependent on patient suitability for angiography and direct injection of vasodilators into the affected vessels. In patients unable to proceed to angiography the diagnosis can only be suspected but treatment ...
Bhardwaj Rajeev - - 2009
We describe a case that underwent successful percutaneous transluminal coronary angioplasty in cardiogenic shock but after half an hour, again had severe chest pain with re-elevation of ST segment and was found to have coronary artery spasm as a cause of recurrence of symptoms.
Nishizawa Shinya - - 2009
BACKGROUND: Organic coronary artery stenosis is a significant prognostic factor in patients with coronary spastic angina (CSA), so the present study was focused on assessing the impact of intermediate fixed stenosis at sites of provoked spasm on the long-term outcomes of CSA patients. METHODS AND RESULTS: CSA patients diagnosed on ...
Aboukhoudir Falah - - 2009
AIMS: The aim of this article was to assess whether abnormal dobutamine stress echocardiography (DSE) can be due to a dobutamine-induced coronary spasm in patients with angiographically documented vasospastic coronary arteries. METHODS AND RESULTS: Between January 2004 and April 2008, we prospectively evaluated all patients with known or suspected coronary ...
Ramnarayan R - - 2009
OBJECTIVE: To present an emerging clinical entity which may mimic another common entity. METHODS: A 31 year-old woman complained of sudden severe headache and collapsed. She had delivered by Cesarean section one week previously. She had a normal antenatal history and did not have any evidence of hypertension. RESULTS: Clinical ...
Demura Y - - 2009
A 69-year-old male non-smoker with a history of atopic asthma presented with symptoms suggestive of chronic obstructive pulmonary disease and this appeared to be corroborated by lung function testing and a chest radiograph. However, a chest CT showed no evidence of pulmonary emphysema and instead demonstrated free air along the ...
Barajas Ramon F RF - - 2008
OBJECTIVE: Hemifacial spasm caused by a cerebellopontine angle lipoma is extremely rare. We describe a patient with left-sided hemifacial spasm caused by vascular compression of the facial and vestibulocochlear cranial nerves by the anteroinferior cerebellar artery embedded within a cerebellopontine angle lipoma. CLINICAL PRESENTATION: A 77-year-old man presented with a ...
Osman Faizel - - 2008
Coronary angiography and intervention can be performed safely using the radial artery. However, arterial spasm is often encountered and usually amenable to nitrate/verapamil therapy. Rarely, surgical intervention is required to remove catheters and wires. Intra-arterial papavarine can be used to treat severe radial artery spasm and prevent the need for ...
Jørgensen Leif - - 2008
Coronary arteriograhy in patients with ischemic heart disease often shows spasm of the coronary arteries. The question is whether spasm is a triggering factor for thrombosis in a stenotic artery. If so, what are the mechanisms for this? A stenosing teflon ring was applied to the right common carotid artery ...
Takagi Atsushi - - 2008
BACKGROUND: In the present study it was examined whether transthoracic Doppler echocardiography (TTDE) would be useful for noninvasive diagnosis of coronary spastic angina (CSA) by assessing coronary arterial tone in the morning. METHODS AND RESULTS: The study population comprised 21 CSA patients and 27 control subjects. All diagnoses were angiographically ...
Tanaka Yasuaki - - 2008
A 20-year-old woman suffered from cardiopulmonary arrest due to ventricular fibrillation. The electrocardiogram after resuscitation showed prolonged QTc interval with bifid T wave. On the third hospital day, the QTc interval and the T-wave changes improved. However, the QTc interval was distinctively prolonged after administration of epinephrine, oral glucose load, ...
Townsend Amanda - - 2008
Coronary spasm is a recognized complication of fluorouracil (FU) chemotherapy. Spasm has been documented at other arterial sites with FU. SIR-spheres (radioactive yttrium-90 microspheres) are increasingly being used for hepatic colorectal metastasis. Various FU schedules are reported in the literature, and it is likely there will be coadministration with SIR-spheres. ...
Niccoli Giampaolo - - 2008
AIMS: Thromboxane A2 (TXA2) is a key mediator of platelet activation and aggregation, and an important mediator of platelet-induced coronary artery constriction. We sought to investigate whether baseline plasma levels of TXA2 are associated with coronary no-reflow after primary percutaneous coronary intervention (PPCI). METHODS AND RESULTS: A total of 47 ...
Fallavollita Pascal - - 2008
A novel method is presented for 3D reconstruction of the coronary arteries. The algorithm refines the point correspondences between the arteries visible in a pair of monoplane X-ray fluoroscopy images acquired at different incidences. Traditional computer vision techniques use the RANSAC methods to discard outliers in a list of corresponding ...
Lu Guang-Ming - - 2008
BACKGROUND: The diagnosis of myocardial bridging (MB) is of clinical importance because of the association between MB and compromised coronary flow. The aim of this study was to compare the ability of dual-source computed tomography (DSCT) and conventional coronary angiography (CAG) to detect MB. METHODS AND RESULTS: DSCT were performed ...
Sharman James E - - 2009
BACKGROUND: Patients with coronary slow flow (CSF) present with a syndrome (often recurrent) of resting angina with no significant coronary stenoses. The nature of myocardial blood flow (MBF), MBF reserve and systemic arterial characteristics may contribute to symptoms in these patients but this has not been examined previously. This study ...
Yilmaz Ali - - 2009
We sought to evaluate whether Caucasian patients suffering from vasospastic angina have a decreased brachial artery flow-mediated dilation (FMD) like their Japanese counterparts and whether certain serum factors known to be associated with impaired vasomotility or endothelial dysfunction are abnormal. In this prospectively conducted study, 33 subjects presenting with resting ...
Nishizaki Mitsuhiro - - 2008
A 49-year-old man with chest pain and syncope presented saddleback or occasionally coved type ST elevation in V1-V3. Coronary spasm in the left anterior descending artery was induced by acetylcholine injection and ST elevation changed from saddleback to coved type in V2-V3 together with ST depression in V4-V5, whereas acetylcholine ...
Duygu Hamza - - 2008
ST-segment deviation in lead augmented vector right (aVR) is useful for evaluating patients with acute coronary syndrome (ACS). The ST-segment elevation in this aVR in the patient with clinically suspected acute coronary syndrome suggests a strong possibility of left main coronary artery (LMCA) obstruction due to fixed stenosis. In this ...
Attaran Saina - - 2008
The radial artery has increased in popularity as a conduit for use in coronary artery bypass surgery. However, concerns remain regarding the risk of radial artery spasm. Although the use of different pharmacological agents to prevent and treat this has been described, there is currently no clear agreement as to ...
Lewis Andrea F - - 2008
Delayed arterial spasm is a clinical and angiographic condition frequently observed after subarachnoid hemorrhage. It has long been associated with a local myogenic reaction to prolonged arterial contact with fresh blood. Carotid spasm from direct manipulation of the petrous carotid during skull base procedures is also a rare but known ...
Otsuka Toshiaki - - 2008
BACKGROUND: The Rho/Rho-kinase signaling pathway is known to be involved in the pathogenesis of coronary artery spasm. Previous studies reported the efficacy of the Rho-kinase inhibitor, fasudil, in the prevention and relief of coronary spasm. The usefulness of fasudil in combination with conventional vasodilating agents, however, has not been fully ...
Angelini Paolo - - 2008
INTRODUCTION: Takotsubo or ampulla transient left ventricular apical ballooning (LVAB) cardiomyopathy has been described as a clinical syndrome characterized by the sudden onset of chest pain, cardiac failure, ischemic changes on electrocardiography, and apical severe myocardial dysfunction in the presence of "normal" coronary arteries on angiography. All features last from ...
Tsuda Etsuko - - 2008
We report vasospastic angina in a young female with a history of Kawasaki disease (KD). She had had KD at the age of 20 months. Selective coronary angiograms at the age of 4 years revealed no coronary aneurysms or stenosis. She remained symptom-free for 29 years, but coronary angiograms at ...
Harskamp Ralf E - - 2008
Spasm of the left internal thoracic artery in the perioperative period represents a life-threatening complication after coronary artery bypass grafting. We present a case in which graft spasm was treated with the administration of intra-arterial nitroglycerin and verapamil. Although vasospasm is more often seen in radial artery grafts, this case ...
Willoughby R E - - 2008
In 2004, a teenager survived bat-associated rabies through the Milwaukee protocol (MP). This survivor and another patient with dog-associated rabies were found to have developed deficiencies of tetrahydrobiopterin (BH4) and associated neurotransmitters. BH4 is also essential for neuronal nitric oxide synthase (nNOS), so rabies is predicted to cause constriction of ...
Vassilev Dobrin - - 2008
Transradial approach to coronary angiography and angioplasty has been widely accepted in the last few years. As an alternative approach from the forearm, with some potential advantages, we decided to test the transulnar approach as a first-choice strategy. Transulnar approach was tried in 131 patients. In 29 patients there was ...
Mascioli Giosuè - - 2007
Coronary artery spasm can cause both brady- and tachyarrhythmia, through induction of AV block (usually linked to coronary spasm of the right coronary artery) or ventricular tachycardia/fibrillation linked to extensive myocardial ischemia. The electrocardiographic aspect of coronary artery spasm is an ST segment elevation. We describe the case of patient ...
Sugimoto Atsuhiko - - 2007
A patient with variant angina presented complaining of frequent morning chest pain refractory to maximal doses of 5 vasodilator agents. His condition was complicated by a drug eruption due to a side effect of the calcium antagonist. Coronary angiography showed no organic stenosis, but a challenge test revealed multiple and ...
Xiang Ding-Cheng - - 2007
BACKGROUND: Coronary artery spasm usually attacks while at rest and the diagnosis depends on provoking tests which mostly are invasive, expensive and not practical. Previous investigations demonstrated that in most patients with coronary artery spasm, treadmill exercise electrocardiography (TEEC) did not induce any ischemic changes, and myocardial perfusion scintigraphy (MPS) ...
Coughlin Stephanie - - 2008
Cardiotoxicity is a recognised side effect of intravenous 5-fluorouracils. In the two case reports described we demonstrate similar cardiotoxic side effects seen with the use of capecitabine. With the increasing use of oral adjuvant chemotherapeutic agents, capecitabine should be used with caution in those patients with existing coronary artery disease.
Fumero Andrea - - 2007
Percutaneous coronary revascularization, coronary artery bypass graft surgery and medical management are nowadays very effective in treating coronary artery disease. Nevertheless, the number of patients affected by refractory chronic angina pectoris is increasing. Epidemiological estimates for refractory angina pectoris predict the diagnosis of more than 100,000 patients each year in ...
Tsutsumi Masanori - - 2007
PURPOSE: The PercuSurge system is a distal balloon embolic protection device used for carotid artery stenting (CAS). We performed a retrospective study on the prognosis and clinical effects of spasms induced by the PercuSurge GuardWire system (PercuSurge-induced spasm). MATERIALS AND METHODS: We performed CAS in 118 carotid stenoses using the ...
Winckiewicz Marek - - 2007
The most frequent causes for acute limb ischemia are arterial embolism, thrombosis (mainly in patients with atherosclerosis), and traumatic arterial injuries. Rarely, acute limb ischemia may be caused by the arterial spasm, when all other causes can be excluded. We present a case of a young woman with acute ischemia ...
Botto Fernando - - 2008
We present a case of a 51-years-old woman with acute chest pain and ECG showing diffuse ST segment deviation who was transferred to our hospital to perform an urgent coronary angiography. There were no significant obstructions and left ventriculography (LVG) showed a midventricular ballooning without the apical dysynergy described previously ...
Meimoun Patrick - - 2008
The clinical features of tako-tsubo cardiomyopathy or transient left apical ballooning syndrome (LABS) have been clearly described, but the mechanisms are still unknown. Our objective was to prospectively assess coronary microcirculation at the acute phase of LABS and after functional recovery, using Doppler transthoracic echocardiography-coronary flow reserve (CFR). Twelve consecutive ...
Ahooja Vineeta - - 2007
Spontaneous coronary artery spasm is an important cause of morbidity both in patients with atherosclerotic coronary artery disease and in those with Prinzmetal's angina. Coronary vasospasm tends to occur in focal areas in the coronary tree and can be readily induced by the use of various agents. Spontaneous severe multivessel ...
Ristagno Giuseppe - - 2007
BACKGROUND: We address the quality of chest compressions and the impact on initial defibrillation or initial chest compressions after sudden death. METHODS: Ventricular fibrillation was induced by occlusion of the left anterior descending coronary artery in 24 domestic pigs with a mean (+/- SD) weight of 40 +/- 2 kg. ...
Kaku Bunji - - 2007
A 74-year-old man had undergone on-pump coronary artery bypass grafting (CABG) for effort-induced angina pectoris. Soon after CABG using the left internal thoracic artery for the left anterior descending artery and saphenous vein for the left circumflex artery, ST elevation was found in the inferior leads and complete atrioventricular block, ...
Yang Ning-I - - 2007
Fourteen patients with acute coronary syndrome are presented in this study. During angiography, hemodynamically significant coronary artery disease was demonstrated; however, it was not consistent with the electrocardiographic findings. The coronary artery spasm could be provoked in the rest of the angiographically normal coronary artery. Patient chest pain disappeared after ...
Young Ted Y - - 2007
BACKGROUND: Hyperimmunoglobulinemia E syndrome is a primary immunodeficiency disorder characterized by elevated IgE levels, recurrent infections, pruritic rash, and skeletal and dental abnormalities. Autosomal dominant, autosomal recessive, and sporadic forms have been described. Coronary artery aneurysms and analysis of central (TCMs) and effector (TEMs) memory T cells have not been ...
Eisen Alon - - 2007
BACKGROUND: Coronary heart disease and ischemic stroke are among the leading causes of morbidity and mortality in adults, and cerebrovascular disease is associated with the presence of symptomatic and asymptomatic CHD. Several studies noted an association between coronary calcification and thoracic aorta calcification by several imaging techniques, but this association ...
Bhatia Robin - - 2007
Near-infrared spectroscopy (NIRS) has been used to monitor regional cerebral oxygen saturation (rSO2) in patients at risk of cerebral desaturation during surgical and neurointerventional procedures. However, the quantitative capabilities of the method have been questioned, as has its validation compared with jugular bulb oximetry. Here, we compare NIRS data acquired ...
Roguin Ariel - - 2008
Prinzmetal or variant angina refers to decrease in blood flow secondary to spontaneous spasm of the arterial wall usually without significant atherosclerotic plaques. These symptoms happen at rest and often may wake up the patient during the night. This angina is named after Myron Prinzmetal (1908-1987), who worked most of ...
Pinho Teresa - - 2007
The authors present a clinical case of coronary artery spasm in a 62-year-old woman undergoing elective aortic valve replacement surgery for aortic regurgitation. On admission at ICU, the patient developed marked hemodynamic and electrical instability. Emergent coronary angiography demonstrated a pronounced spasm of the distal portion of the right coronary ...
Sciuchetti Jennifer F - - 2008
We describe the case of a 73-year-old man, with a history of previous coronary artery by-pass, who presented at our division for new onset of angina, hypotension and dyspnea due to a primary giant para-cardiac lipoma. The success of complete resection of the mass achieved by means of video-assisted thoracic ...
Tsutsumi Masanori - - 2007
INTRODUCTION: The term "accordion effect" is used to describe a mechanical distortion of tortuous arteries mimicking spasm or dissection. This phenomenon has been reported in patients undergoing percutaneous coronary intervention. To our knowledge, this is the first documentation of the accordion effect during carotid artery intervention. METHODS: Two patients who ...
Storto Giovanni - - 2007
PURPOSE: We assessed coronary flow reserve (CFR) by sestamibi imaging in patients with typical chest pain, positive exercise stress test and normal coronary vessels. METHODS: Thirty-five patients with typical chest pain and normal angiogram and 12 control subjects with atypical chest pain underwent dipyridamole/rest (99m)Tc-sestamibi imaging. Myocardial blood flow (MBF) ...
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