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https://www.readbyqxmd.com/read/28748363/type-ii-sciatic-nerve-variant-an-unexpected-interventional-hazard
#1
Graeme Thompson, Ruan Visagie
A 12-year-old girl presented with a 1-week history of right hip pain. MRI revealed a lesion in the incompletely fused posterior triradiate cartilage of the right acetabulum with imaging characteristics of an osteoid osteoma. The surgeon requested guidewire placement under CT guidance for lesion drilling. The CT approach was planned to avoid the usual course of the sciatic nerve, and the lesion was successfully removed and confirmed at histology to be an osteoid osteoma. At a follow-up visit, MRI showed no recurrence but demonstrated an abnormal common peroneal nerve from the sciatic notch to the popliteal fossa with denervation oedema in the tibias anterior and peroneal musculature...
July 26, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28744123/skeleton-labeled-13-c-carbon-nanoparticles-for-the-imaging-and-quantification-in-tumor-drainage-lymph-nodes
#2
Ping Xie, Qian Xin, Sheng-Tao Yang, Tiantian He, Yuanfang Huang, Guangfu Zeng, Maosheng Ran, Xiaohai Tang
Carbon nanoparticles (CNPs) have been widely used in tumor drainage lymph node (TDLN) imaging, drug delivery, photothermal therapy, and so on. However, during the theranostic applications, the accumulation efficiency of CNPs in target organs is unknown yet, which largely hinders the extension of CNPs into clinical uses. Herein, we prepared skeleton-labeled (13)C-CNPs that had identical properties to commercial CNPs suspension injection (CNSI) for the imaging and quantification in TDLN. (13)C-CNPs were prepared by arc discharge method, followed by homogenization with polyvinylpyrrolidone...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28741334/endovascular-treatment-of-chronic-occluded-popliteal-artery-aneurysm-early-and-mid-term-outcomes
#3
Vincenzo Ardita, Alessia Giaquinta, Matteo Orrico, Sonia Ronchey, Massimiliano Veroux, Nicola Mangialardi, Pierfrancesco Veroux
BACKGROUND: Critical limb ischemia (CLI) may be the consequence of chronic occluded popliteal artery aneurysm (PAA). Open repair (OR) offers better 5-year results than endovascular treatment, but in patients with severe comorbidities or unfit to OR, endovascular repair (ER) could represent a valid treatment option. The purpose of this retrospective study was to review our experience of endovascular popliteal aneurism repair (EVPAR) in patients with chronic occluded PAA. METHODS: The endpoints assessed were: 1- and 3-year primary and secondary patency rates, technical success, 30-day major adverse events, major amputation free-survival, re-intervention and survival rates...
July 24, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28739462/suprageniculate-approach-to-release-of-popliteal-entrapment-without-distal-bypass-despite-preoperative-runoff-thrombosis
#4
Aamna M Ali, Christopher R Ramos, Natalia O Glebova
INTRODUCTION: Popliteal artery entrapment syndrome is an uncommon condition in which anatomic or functional popliteal artery compression causes arterial insufficiency. We present a case of popliteal entrapment with runoff thrombosis treated with suprageniculate release of entrapment without distal bypass. CASE PRESENTATION: A 15-year old boy with Klinefelter syndrome presented with right leg claudication severely limiting his activity. He had a palpable femoral pulse, but no palpable popliteal or foot pulses on the right...
July 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28712733/long-term-outcomes-after-autogenous-versus-synthetic-lower-extremity-bypass-in-patients-on-hemodialysis
#5
Isibor Arhuidese, Caitlin W Hicks, Satinderjit Locham, Tammam Obeid, Besma Nejim, Mahmoud B Malas
BACKGROUND: Hemodialysis dependence confers unique physiologic conditions. Prior reports of outcomes after infrainguinal open bypass operations in patients on hemodialysis have been based on relatively small sample institutional series. In this study, we evaluate long-term outcomes after open bypass operations in a large contemporary population-based cohort of hemodialysis patients. We studied all hemodialysis patients who underwent infrainguinal open operation using autogenous versus prosthetic conduits in the United States Renal Data System between January 2007 and December 2011...
July 13, 2017: Surgery
https://www.readbyqxmd.com/read/28707386/efficacy-and-safety-of-a-coagulated-thrombus-injection-for-peripheral-artery-perforation-the-coagulated-thrombus-hemostasis-method
#6
Takahiro Tokuda, Keisuke Hirano, Masahiro Yamawaki, Motoharu Araki, Norihiro Kobayashi, Shinsuke Mori, Yasunari Sakamoto, Hideyuki Takimura, Masakazu Tsutsumi, Yoshiaki Ito
BACKGROUND: This retrospective study assesses the safety and efficacy of using a thrombus injection for treatment a peripheral artery perforation. METHODS AND RESULTS: From March 2013 to April 2016, we performed 1,152 endovascular treatment (EVT) at our hospital. Of these, 28 peripheral artery perforations occurred during the EVT procedure and 20 were treated with a thrombus, which we artificially created. The thrombus comprised the patient's blood and thrombin...
July 14, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28705447/-post-traumatic-concomitant-popliteal-artery-pseudoaneurysm-and-arteriovenous-fistula
#7
O Zizi, H Naouli, H Jiber, A Bouarhroum
Popliteal injuries are well known to be serious with a high rate of mortality due to damage caused to popliteal vessels. Pseudoaneurysm formation and arteriovenous fistulas are well-known complications of arterial injury, but are rarely concomitant. Diagnosis is usually done by computed tomography (CT) angiography. Treatment strategies consist of surgery or endovascular management. We report the surgical treatment of two cases of popliteal arteriovenous fistula associated with pseudoaneurysm complicating stab wounds...
February 2017: J Med Vasc
https://www.readbyqxmd.com/read/28705403/symptomatic-lower-limb-giant-cell-arteritis-characteristics-management-and-long-term-outcome
#8
C Le Hello, L Auboire, L Berger, D Gouicem, M T Barrellier, S Duthois
OBJECTIVE: To describe characteristics and long-term outcomes of the rare symptomatic lower-limb giant-cell arteritis (LL-GCA). METHODS: Retrospective analysis of 8 patients (6 women; mean±SD age, 63.6±10.9 years; follow-up, 137.3±57.3 months). RESULTS: Four patients satisfied≥3 American College of Rheumatology (ACR) GCA-classification criteria; 4 had<3 criteria and histological LL-GCA proof or associated typical upper-limb involvement...
May 2017: J Med Vasc
https://www.readbyqxmd.com/read/28705341/-is-ultrasound-guidance-contributive-to-vascular-access-in-endovascular-therapy
#9
B Dakhil, F Couineau, J Hernigou, J Bardet, E Tella, P Bagan
OBJECTIVES: The aim of this study was to evaluate the contribution of ultrasound guidance (UG) to vascular puncture in endovascular therapy. Ultrasound guidance was evaluated by comparison with the rates of failures and complications of the traditional techniques of percutaneous vascular access. MATERIALS AND METHODS: We reviewed all the consecutive percutaneous revascularizations (percutaneous transluminal angioplasty and/or stenting, treatment of aneurysms and vascular traumatisms) since the standardization of the systems of closing (extra- and endovascular)...
July 2017: J Med Vasc
https://www.readbyqxmd.com/read/28705338/-femoropopliteal-angioplasty-short-and-mid-term-results
#10
M Ben Hammamia, M Ben Mrad, B Derbel, R Miri, J Ziadi, F Ghedira, R Denguir, T Kalfat
BACKGROUND: Percutaneous endovascular therapy is becoming a primary option for managing femoropopliteal occlusive disease. The purpose of this study was to evaluate the mid-term results of endovascular treatment of femoropopliteal arterial disease. METHODS: Femoropopliteal percutaneous transluminal angioplasty was performed on 162 consecutive limbs (160 patients) from January 2006 to January 2016. RESULTS: In our study, 87.6% of patients had critical limb ischemia...
July 2017: J Med Vasc
https://www.readbyqxmd.com/read/28700145/simultaneous-measurements-of-lymphatic-vessel-contraction-flow-and-valve-dynamics-in-multiple-lymphangions-using-optical-coherence-tomography
#11
Cedric Blatter, Eelco F J Meijer, Timothy P Padera, Benjamin J Vakoc
Lymphatic dysfunction is involved in many diseases including lymphedema, hypertension, autoimmune responses, graft rejection, atherosclerosis, microbial infections, cancer and cancer metastasis. Expanding our knowledge of lymphatic system function can lead to a better understanding of these disease processes and improve treatment options. Here, optical coherence tomography (OCT) methods were used to reveal intraluminal valve dynamics in 3D, and measure lymph flow and vessel contraction simultaneously in three neighboring lymphangions of the afferent collecting lymphatic vessels to the popliteal lymph node in mice...
July 12, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28697028/sciatic-popliteal-fossa-catheter-for-pediatric-pain-management-of-sickle-cell-crisis-a-case-report
#12
Garret Weber, Sherry Liao, Micah Alexander Burns
Sickle cell crisis, or vaso-occlusive crisis (VOC), is a major cause of hospitalizations for adults and children with sickle cell disease, and is associated with increased morbidity and mortality. Despite prompt pharmacological treatment and multimodal pain management, acute pain during a VOC is often not adequately controlled in the pediatric population. We placed a continuous popliteal sciatic nerve block under ultrasound guidance in a pediatric patient for localized refractory pain during a VOC, resulting in improved pain control with preserved sensorimotor function...
July 10, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28694860/postpartum-aortic-bifurcation-thrombosis-on-the-background-of-thrombophilic-disorder
#13
Roxana Elena Bohîltea, Natalia Turcan, Horia Muresian, Silvia Condu, Elvira Bratila, Monica Mihaela Cîrstoiu
Two main causes of arterial thrombosis are known: fi rst - atherosclerosis, extensively studied, and the second - atrial fi brillation. The lack of any risk factors and the occurrence at young age of a thrombotic event requires us to investigate possible other conditions, including inherited thrombophilia that is represented by a series of genetic disorders that increase the risk of thromboembolic disease. The role of thrombophilia in the occurrence of arterial thrombosis is inconsequential; this disorder is characterized by the tendency of developing venous thrombosis...
September 2016: Mædica
https://www.readbyqxmd.com/read/28691144/risk-of-vascular-injury-when-screw-drilling-for-tibial-tuberosity-transfer
#14
Jacques Hernigou, Esfandiar Chahidi, Mahine Kashi, Eric Moest, Bassel Dakhil, Georges Hayek, Antoine Callewier, Frederic Schuind, Olivier Bath
PURPOSE: During tibial tubercle transfer, popliteal vessels are at risk from drills and screws. The risk is around 0.11%, as described in the literature. We reviewed knee injected CT scan for analysis of the location of arteries, identified landmarks allowing minimizing risks, and defined a safe zone. MATERIAL AND METHOD: Distances between the posterior cortex and arteries were measured on CT scans from 30 adults (60 knees) at three levels (proximal part of the tibial tuberosity, 20 mm and 40 mm distally)...
July 9, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28689944/popliteal-venous-aneurysm-and-multiple-lower-extremity-varicose-veins-presenting-with-a-left-sided-inferior-vena-cava
#15
Masaya Nakashima, Masayoshi Kobayashi
A venous aneurysm (VA) is a relatively rare disease defined by cystic vasodilated lesions in a general vein. Popliteal venous aneurysm (PVA) is a rare clinical entity, and the first signs may be a thromboembolic event. They can cause potentially life-threating diseases, such as pulmonary embolism and deep venous thrombosis. A left-sided inferior vena cava (IVC) is a common anomaly associated with venous thrombus, resulting in anatomical variations in the venous return from the lower limbs. The general vascular malformation of PVA and left-sided IVC should also be preoperatively understood because of the unpredictable risk of thromboembolic complications...
July 6, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28685661/treatment-of-infrainguinal-arterial-thromboembolic-acute-occlusions-with-the-aspirex-%C3%A2-mechanical-thrombectomy-device
#16
Burak Teymen, Süleyman Aktürk
OBJECTIVE: In this study, we investigated the safety and effectiveness of the Aspirex(®) mechanical thrombectomy system for the treatment of acute infrainguinal arterial thromboembolic occlusions. METHODS: We retrospectively identified consecutive patients at our clinic with infrainguinal thromboembolic acute occlusions treated with the Aspirex(®) mechanical thrombectomy device. Primary end points included technical success, defined as the complete revascularization of the acutely occluded vessel, and clinical success, defined as the absence of amputation within 60 d...
July 7, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28684644/two-otherwise-healthy-young-brothers-present-with-intermittent-claudication-just-a-coincidence
#17
Thomas Clifford, Jonathan Moore
Popliteal artery entrapment syndrome (PAES) is a recognised cause of lower limb peripheral arterial disease in young adults. We describe the cases of two otherwise healthy brothers who presented with the condition 5 years apart. The first brother, who is also the first author of this case report, presented aged 19 with worsening, right-sided, exercise-induced lower leg pain and transient foot pallor. Imaging confirmed PAES and irreversible localised arterial damage. Surgery was performed to release the entrapment and resect the section of diseased artery...
July 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28683727/multifocal-pigmented-villonodular-synovitis-coexisting-in-both-the-knee-joint-and-the-patella-a-case-report-and-literature-review
#18
Mingxuan Gao, Hong Li, Xiaoyan Liang, Xiaoyan Fu, Xusheng Li
BACKGROUD: Pigmented villonodular synovitis (PVNS) is an uncommon entity of proliferative lesion of the synovium, presenting with different clinical signs and symptoms. PVNS rarely forms an osteolytic lesion in a bone. Here we report a unique case of PVNS with a nodular lesion in the left patella. CASE PRESENTATION: A 37-year-old female was referred to our hospital with complaints of ongoing left knee pain and a painful and palpable mass in her left popliteal fossa...
July 6, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28679112/an-association-between-residual-vein-thrombosis-and-subclinical-atherosclerosis-cross-sectional-study
#19
Paolo Prandoni, Maurizio Ciammaichella, Nicola Mumoli, Nello Zanatta, Adriana Visonà, Giampiero Avruscio, Giuseppe Camporese, Eugenio Bucherini, Carlo Bova, Davide Imberti, Raffaella Benedetti, Valeria Rossetto, Franco Noventa, Marta Milan
BACKGROUND: The association between venous and arterial thrombotic disorders is still unclear. We assessed the association between residual vein thrombosis (RVT) and subclinical atherosclerosis in a cohort of patients with unprovoked (or associated with weak risk factors) proximal deep-vein thrombosis (DVT). METHODS: In a multicenter cross-sectional study, consecutive patients over 40years free from atherosclerotic disorders received the ultrasound assessment of the leg vein system and that of carotid arteries approximately three months after an episode of proximal DVT...
June 29, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28678084/magnetic-resonance-lymphography-at-9-4-t-using-a-gadolinium-based-nanoparticle-in-rats-investigations-in-healthy-animals-and-in-a-hindlimb-lymphedema-model
#20
Andreas Müller, Peter Fries, Bijan Jelvani, François Lux, Claudia E Rübe, Stephanie Kremp, Pietro Giovanoli, Arno Buecker, Michael D Menger, Matthias W Laschke, Florian S Frueh
OBJECTIVES: Magnetic resonance lymphography (MRL) in small animals is a promising but challenging tool in preclinical lymphatic research. In this study, we compared the gadolinium (Gd)-based nanoparticle AGuIX with Gd-DOTA for interstitial MRL in healthy rats and in a chronic rat hindlimb lymphedema model. MATERIALS AND METHODS: A comparative study with AGuIX and Gd-DOTA for interstitial MRL was performed in healthy Lewis rats (n = 6). For this purpose, 75 μL of 3 mM AGuIX (containing 30 mM Gd-DOTA side residues) and 75 μL 30 mM Gd-DOTA were injected simultaneously in the right and left hindlimbs...
July 3, 2017: Investigative Radiology
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