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arteriosclerotic occlusion

Hironori Osamura, Tomoaki Shiba, Takashi Itokawa, Tadashi Matsumoto, Yuichi Hori
Purpose. To determine the correlations among the mean blur rate (MBR) in the optic nerve head (ONH) shown by laser speckle flowgraphy (LSFG), retinal arteriosclerosis, and the circulation time obtained by fluorescein angiography (FA). Method. We evaluated 118 patients and assessed their time of choroidal flush, arm-to-retina time, and early and late phases of retinal circulation time (RT: sec) obtained by FA. The severity of retinal arteriosclerosis was classified according to the Scheie classification. The MBR values throughout the ONH (MBR-A), in the tissue (MBR-T), and in the vessels (MBR-V) were analyzed...
2017: Journal of Ophthalmology
Takaaki Higashihara, Akira Okada, Taiko Kusano, Kazuyoshi Ishigaki, Akira Shimizu, Hideki Takano
BACKGROUND: A pathergy reaction is defined as a hyperreactivity of the skin in response to minimal trauma, which is important in the diagnosis of Behçet's disease (BD). However, a pathergy reaction may not be restricted to the skin, and little is known about whether an invasive medical procedure can induce the reaction. Here we present a pathergy reaction induced by renal biopsy, an invasive procedure. CASE PRESENTATION: A 46-year-old man who was diagnosed with IgA vasculitis (IgAV) at the age of 38 was treated with prednisolone and mizoribine...
January 28, 2017: BMC Nephrology
M Lisa Gracia, A Córdoba Alonso, J L Hernández Hernández, R Pérez Montes, J J Napal Lecumberri
OBJECTIVES: To analyse the importance of cardiovascular risk factors, ultrasound findings in the supra-aortic trunk and the presence of anticoagulated nonvalvular atrial fibrillation (NVAF) in patients with retinal vein occlusion (RVO) and in a control group. PATIENTS AND METHODS: A cross-sectional study was conducted of all patients with RVO consecutively referred to the office of internal medicine, comparing them with a control group. We analysed clinical, electrocardiographic and ultrasound variables...
December 7, 2016: Revista Clínica Española
Yuta Hagiwara, Tomohide Yoshie, Takahiro Shimizu, Hana Ogura, Takayuki Fukano, Tatsuro Takada, Toshihiro Ueda, Yasuhiro Hasegawa
Contrast-enhanced transoral carotid ultrasonography (CETOCU) is a novel examination modality that is superior to other modalities in the cases of pseudo-occlusion with severe arteriosclerotic stenosis of the distal internal carotid artery (ICA), and is also useful for noninvasively evaluating changes over time in the vessel distal to the stent following carotid artery stenting (CAS). We report a case of a patient who we evaluated with CETOCU for a pseudo-occlusive ICA before and after CAS.
October 11, 2016: Journal of Medical Ultrasonics
Hajime Miyazaki, Kanehisa Kohno, Hideo Tanaka, Shinya Fukumoto, Haruhisa Ichikawa, Shinji Onoue, Noriyuki Fumoto, Saya Ozaki, Toshiharu Maeda
We report a case of ruptured peripheral cerebral aneurysm at abnormal vessels associated with severe stenosis at the middle cerebral artery (MCA). A 66-year-old woman was admitted at our hospital with headache on foot. Computed tomography (CT) showed intracerebral hemorrhage in the left fronto-basal area. Three-dimensional-CT and conventional angiogram revealed abnormal vessels, which were similar to those seen in moyamoya disease, with a small enhancement close to the hematoma. On day 11, subsequent cerebral angiogram demonstrated an aneurysm at the peripheral portion of an abnormal vessel arising from the left A2...
April 2016: No Shinkei Geka. Neurological Surgery
Haobo Su, Wensheng Lou, Jianping Gu
OBJECTIVE: To investigate the feasibility of parametric color coding of digital subtraction angiography (Syngo iFlow) for hemodynamics assessment in patients with critical limb ischemia in pre- and post-endovascular therapy. To explore the correlation between Syngo iFlow and the conventional techniques. METHODS: from January 2013 to December 2014, Clinical data of 21 patients with TASC II type B and type C femoropopliteal arteriosclerotic occlusive disease who were treated by percutaneous transluminal angioplasty and/or primary stent implantation in Nanjing first hospital were analyzed retrospectively...
October 6, 2015: Zhonghua Yi Xue za Zhi [Chinese medical journal]
Zhe Zhang, Xueming Chen, Chenyu Li, Hai Feng, Hongzhi Yu, Renming Zhu, Zhimin Cai
OBJECTIVE: To investigate whether the recombinant human growth hormone (rhGH) can promote endothelialization, inhibit vascular intimal hyperplasia, and improve long-term patency rate by the treatment of rhGH after vascular prostheses bypass. METHODS: Between August 2007 and January 2009, 94 patients with lower extremity arteriosclerotic occlusive disease were treated. Among them, 32 patients (34 limbs) who met the selection criteria were enrolled in this study. All cases were randomly divided into study group (16 cases, 18 limbs) and control group (16 cases, 16 limbs)...
June 2015: Chinese Journal of Reparative and Reconstructive Surgery
Tomoki Shibano, Shunsuke Endo, Kenji Tetsuka, Tsutomu Saito, Nobuyuki Kanai, Takashi Yashiro
Aberrant pulmonary artery exposed by high-blood pressure over a long period in adult-type pulmonary sequestration can be susceptible to arteriosclerotic change and aneurysmal formation. Dividing this aneurysmal artery has a risk of stump leakage and aneurysm. We herein report a 64-year-old man with an aberrant aneurysm of intralobar pulmonary sequestration. Thoracoscopic resection of the sequestrated lung was performed uneventfully by prior endovascular occlusion of the aberrant aneurysm.
March 2015: Journal of Thoracic Disease
Samuel A Käser, Tara C Müller, Anna Guggemos, Ulrich Nitsche, Christoph Späth, Christoph A Maurer, Klaus-Peter Janssen, Jörg Kleeff, Helmut Friess, Dirk Wilhelm, Franz G Bader
BACKGROUND: The predilection site of non-occlusive mesenteric ischemia is the right-sided colon. Surgical exploration followed by segmental bowel resection and primary anastomosis or ileostomy is recommended, if vascular interventions are not feasible and conservative treatment fails. We assessed the outcome of patients in this life-threatening condition. METHODS: From a prospective database 58 patients with urgent surgery for acute right-sided colonic ischemia without feasible vascular intervention (as a surrogate for non-occlusive mesenteric ischemia) were identified...
2015: BMC Surgery
Jens Ehrhardt, Matthias Schwab, Sigrid Finn, Albrecht Guenther, Torsten Schultze, Otto W Witte, Sven Rupprecht
BACKGROUND: Carotid arteriosclerosis and sleep apnea are considered as independent risk factors for stroke. Whether sleep apnea mediates severity of carotid stenosis remains unclear. Sleep apnea comprises two pathophysiologic conditions: OSA and central sleep apnea (CSA). Although OSA results from upper airway occlusion, CSA reflects enhanced ventilatory drive mainly due to carotid chemoreceptor dysfunction. METHODS: Ninety-six patients with asymptomatic extracranial carotid stenosis of ≥ 50% underwent polysomnography to (1) determine prevalence and severity of sleep apnea for different degrees of carotid stenosis and (2) analyze associations between OSA and CSA, carotid stenosis severity, and other arteriosclerotic risk factors...
April 2015: Chest
Rupert H Portugaller, Peter I Kalmar, Hannes Deutschmann
In dialysis access fistulas and grafts, percutaneous transluminal angioplasty (PTA) is frequently followed by restenosis development, which results in repeated periodical re-interventions. The technique of drug-eluting balloon (DEB) angioplasty has shown promising results in the treatment of femoropopliteal arteriosclerotic lesions. In contrast to arteriosclerotic arteries, dialysis access vessels host unfavorable hemodynamics due to the direct conduction of high-pressure fluid into a low-pressure system. Hence, the beneficial effect of DEB angioplasty may be limited in this system...
November 2014: Journal of Vascular Access
C Leisser
INTRODUCTION: Retinal artery occlusion (RAO) and non-arteritic anterior ischaemic optic neuropathy (NAION) cause painless vision deterioration and visual field defects. Associations with arteriosclerotic risk factors, hyperhomocysteinaemia, hyperfibrinogenaemia and plaques of the internal carotid artery are well kown. Results of transoesophageal echocardiography with respect to plaques in the aortic arch and duplex sonography of the internal carotid artery were evaluated and a statistical analysis was performed...
November 2014: Klinische Monatsblätter Für Augenheilkunde
Xinrui Yang, Xinwu Lu, Kaichuang Ye, Jinbao Qin, Lijia Huang, Zhiyou Peng, Fukang Yuan, Mi'er Jiang
OBJECTIVE: To evaluate the clinical value of primary stenting for treating peripheral arterial diseases in below-the-knee arteries by comparing to percutaneous transluminal angioplasty (PTA). METHODS: PubMed, ScienceDirect, Embase, and CBM databases were searched for relevant articles. Based on the different types of stents, we divided the primary stent group into the bare metal stent(BMS) group and drug-eluting stent(DES) group. The outcome measures were immediate technical success, freedom from target vessel revascularization (TVR-free) rate and limb salvage...
March 25, 2014: Zhonghua Yi Xue za Zhi [Chinese medical journal]
Jee Hoon Roh, Jae-Hong Lee
Vascular dementia (VaD) is a history-laden disease entity that dates back to the 19th century when arteriosclerotic brain atrophy due to hardening of the arteries was perceived as the major cause of senile dementia. Its existence had been overshadowed by the emergence of Alzheimer's disease (AD) in the past century and research on AD dominated the field of dementia. Interest in VaD has been revived in recent years as vascular lesions have been shown to make great contributions to the development of dementia, particularly in the elderly...
January 2014: Journal of Stroke
Nikhil Pande, Ganapathiraman Vivek, Manjunath Hande, Vasudeva Acharya
A 68-year-old woman with hypertension with no history of cerebrovascular events presented with a left-sided hemiplegia which had developed acutely 2 days ago. She was not on maintenance therapy with antiplatelets or anticoagulants. A CT scan showed acute ischaemic infarction of the right internal capsule and cerebellar haemorrhage. Cardiac evaluation was normal. Doppler ultrasonography of the extracranial carotid and vertebral arteries showed diffuse arteriosclerotic changes, but did not reveal any haemodynamic occlusion...
2014: BMJ Case Reports
Nils Hecht, Johannes Woitzik, Susanne König, Peter Horn, Peter Vajkoczy
Currently, there is no adequate technique for intraoperative monitoring of cerebral blood flow (CBF). To evaluate laser speckle imaging (LSI) for assessment of relative CBF, LSI was performed in 30 patients who underwent direct surgical revascularization for treatment of arteriosclerotic cerebrovascular disease (ACVD), Moyamoya disease (MMD), or giant aneurysms, and in 8 control patients who underwent intracranial surgery for reasons other than hemodynamic compromise. The applicability and sensitivity of LSI was investigated through baseline perfusion and CO2 reactivity testing...
July 2013: Journal of Cerebral Blood Flow and Metabolism
G Bötticher, G Gäbel, N Weiss, H-D Saeger, H Bergert
Peripheral arterial occlusive disease is one manifestation of the systemic disease atherosclerosis. The initial therapy for every arteriosclerotic disease is aimed at reducing cardiovascular risk factors by lifestyle modification and medication. Patients who require surgical revascularisation need long-term antiplatelet therapy or anticoagulation. This therapy has to be differentiated according to the vascular territory involved and the method used for revascularisation. After local thrombendarterectomy, alloplastic bypass graft surgery of the aortic, aorto-iliac, aorto-femoral or femoro-popliteal region above the knee, long-term ASA 100 mg/d or clopidogrel 75 mg/d should be initiated...
October 2012: Zentralblatt Für Chirurgie
A Zimmermann, F Arzt, M Wildgruber, T Schuster, H Wendorff, H-H Eckstein
BACKGROUND: To analyze differences in morphological changes in the vascular tree among patients presenting with intermittent claudication (IC) and critical limb ischemia (CLI). In addition, suitability for endovascular treatment was evaluated. PATIENTS AND METHODS: Our study included 690 lower extremities with IC or CLI in 500 consecutive patients who were assessed by magnetic resonance angiography (MRA) according to the TASC II classification and in terms of the below the knee run-off status...
November 2012: VASA. Zeitschrift Für Gefässkrankheiten
G Andros, L Lee
The treatment options for infra-renal arteriosclerotic occlusive (ASO) vascular disease have never been more varied. The history of open revascularization procedures now exceeds 60 years. This represents three generations of vascular surgeons, the most recent of whom have witnessed more than 30 years of endovascular surgery development and dissemination. Both open and endovascular treatments should be considered mature; moreover, we are improving our understanding of the strategies and tactics that lead to the clinical application of one approach instead of the other...
2012: Scandinavian Journal of Surgery: SJS
T Weber, F Meyer, M Weber, Z Halloul
Cilostazol (Pletal(®), UCB Pharma, Monheim, Deutschland) has been successfully established since its inauguration on the German market in 2007, which is associated with a considerable distribution, in particular, in angiologic patients. However, vascularsurgical specifics in the use of Cilostazol are still lacking. The aim of this very compact short overview is (based on a selective literature search and own clinical experiences over the years) to characterize mechanism of action, use and expectable therapeutic effect of Cilostazol in the challenging management of exclusively vascularsurgcial patients with peripheral arterial occlusion disease (PAOD)...
May 2012: Deutsche Medizinische Wochenschrift
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