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Duplex ultrasound

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https://www.readbyqxmd.com/read/28214496/new-diagnostic-modalities-in-the-evaluation-of-lymphedema
#1
REVIEW
Thomas F O'Donnell, John C Rasmussen, Eva M Sevick-Muraca
OBJECTIVE: Currently, lymphedema (LED) is typically diagnosed clinically on the basis of a patient's history and characteristic physical findings. Whereas the diagnosis of LED is sometimes confirmed by lymphoscintigraphy (LSG), the technique is limited in both its ability to identify disease and to guide therapy. Recent advancements provide opportunities for new imaging techniques not only to assist in the diagnosis of LED, based on anatomic changes, but also to assess contractile function and to guide therapeutic intervention...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28214490/saphenous-vein-wall-thickness-in-age-and-venous-reflux-associated-remodeling-in-adults
#2
Nicos Labropoulos, Kelli Leilani Summers, Ignacio Escotto Sanchez, Joseph Raffetto
OBJECTIVE: This prospective study was designed to determine the great saphenous vein (GSV) wall thickness in age-related and venous reflux-associated remodeling. METHODS: GSV wall thickness was measured in the thigh and calf using a duplex ultrasound 17-MHz transducer. Interobserver and intraobserver variability studies were performed. Two healthy control groups, each with 10 individuals (20 limbs), were selected on the basis of age. Group 1 had a mean age of 21 years, and group 2 had a mean age of 64 years...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28214487/radiofrequency-ablation-with-concomitant-stab-phlebectomy-increases-risk-of-endovenous-heat-induced-thrombosis
#3
Caitlin W Hicks, Sandra R DiBrito, J Trent Magruder, M Libby Weaver, Cathy Barenski, Jennifer A Heller
OBJECTIVE: Endovenous heat-induced thrombosis (EHIT) is a well-documented phenomenon that follows endovenous ablation, but the treatment, surveillance, and risk factors for EHIT have yet to be comprehensively elucidated. We sought to identify characteristics that may put patients at higher risk for development of EHIT after radiofrequency ablation (RFA) for the treatment of symptomatic superficial venous insufficiency. METHODS: A retrospective review was performed of all consecutive patients undergoing treatment with RFA to the great saphenous vein by a single surgeon from July 2013 through October 2015...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28214484/hybrid-operative-thrombectomy-is-noninferior-to-percutaneous-techniques-for-the-treatment-of-acute-iliofemoral-deep-venous-thrombosis
#4
Limael E Rodríguez, Aihab Aboukheir-Aboukheir, Ricardo Figueroa-Vicente, Hiram Soler-Bernardini, Guillermo Bolanos-Avila, Luis J Torruella-Bartolomei, Anthony J Comerota, Jorge L Martinez-Trabal
OBJECTIVE: Hybrid operative thrombectomy (HOT) is a novel technique for the treatment of acute iliofemoral deep venous thrombosis (IFDVT) and is an alternative to percutaneous techniques (PTs) that use thrombolytics. In this study, we compare perioperative and intermediate outcomes of HOT vs PT as interventions for early thrombus removal. METHODS: From July 2008 to May 2015, there were 71 consecutive patients who were treated with either PT (n = 31) or HOT (n = 40) for acute or subacute single-limb IFDVT...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28211004/point-of-care-ultrasound-and-doppler-ultrasound-evaluation-of-vascular-injuries-in-penetrating-and-blunt-trauma
#5
REVIEW
Miguel Angel Montorfano, Fernando Pla, Leonardo Vera, Omar Cardillo, Stefano Geniere Nigra, Lisandro Miguel Montorfano
BACKGROUND: The aim of this study is to describe point-of-care ultrasound and Color flow Duplex Doppler characteristics of penetrating and blunt trauma-related vascular injuries of the limbs and neck. METHODS: Penetrating and blunt trauma-related vascular injuries such as vein disruption, intimal flap, deep vein thrombosis, arterial dissection, pseudoaneurysm, and arteriovenous fistulae are discussed in this manuscript. Images of the most significant lesions of our personal clinical experience are presented to illustrate point-of-care ultrasound and Color flow Duplex Doppler ultrasound findings...
December 2017: Critical Ultrasound Journal
https://www.readbyqxmd.com/read/28207510/endovascular-repair-of-bilateral-common-iliac-artery-aneurysms-using-gore-excluder-iliac-branch-endoprosthesis-without-aortobi-iliac-stent-graft-conjunction-a-case-report
#6
Vincenzo Ardita, Alessia Giaquinta, Massimiliano Veroux, Angelo Sanfiorenzo, Carla Virgilio, Giuseppe D'Arrigo, Pierfrancesco Veroux
INTRODUCTION: Bilateral common iliac artery (CIA) aneurysm (CIAA) is a rare entity. In the past decade, different endovascular approaches have been adopted for patients with several comorbidities or unfit for open repair (OR). Recently, the use of iliac branch stent graft has been proposed, resulting in satisfactory patency rates and decrease in morbidity. Currently, according to instruction for use, the iliac branch stent graft is to be used with aortobi-iliac stent graft conjunction...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28190714/carotid-endarterectomy-should-not-be-based-on-consensus-statement-duplex-velocity-criteria
#7
Jesse A Columbo, Bjoern D Suckow, Claire L Griffin, Jack L Cronenwett, Philip P Goodney, Timothy G Lukovits, Robert M Zwolak, Mark F Fillinger
OBJECTIVE: Randomized trials support carotid endarterectomy (CEA) in asymptomatic patients with ≥60% internal carotid artery (ICA) stenosis. The widely referenced Society for Radiologists in Ultrasound Consensus Statement on carotid duplex ultrasound (CDUS) imaging indicates that an ICA peak systolic velocity (PSV) ≥230 cm/s corresponds to a ≥70% ICA stenosis, leading to the potential conclusion that asymptomatic patients with an ICA PSV ≥230 cm/s would benefit from CEA. Our goal was to determine the natural history stroke risk of asymptomatic patients who might have undergone CEA based on consensus statement PSV of ≥230 cm/s but instead were treated medically based on more conservative CDUS imaging criteria...
February 9, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28163172/endovascular-management-of-para-prosthetic-aortocaval-fistula-case-report-and-systematic-review-of-the-literature
#8
Claudio Bianchini Massoni, Giulia Rossi, Tiziano Tecchio, Paolo Perini, Antonio Freyrie
The aim of this article is to report a case of asymptomatic para-anastomotic aortocaval fistula (ACF) treated by endovascular aortic repair, and to review data of the literature on arteriovenous fistulae (AVF) secondary to abdominal aortic surgery. A 78-year-old male complained of worsening pain in the right lower limb since 2 months. He presented a history of right femoro-popliteal bypass for peripheral arterial occlusive disease and elective surgical treatment for a non-ruptured infrarenal aortic aneurysm (Dacron tube graft)...
February 2, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28153776/robot-assisted-laparoscopic-pyeloureterostomy-in-infants-with-duplex-systems-and-upper-pole-hydronephrosis-variations-in-double-j-ureteral-stenting-techniques
#9
Minki Baek, Jason Au, Gene O Huang, Chester J Koh
OBJECTIVE: We describe our experience with robot-assisted laparoscopic (RAL) pyeloureterostomy in infants with duplex systems and upper pole hydronephrosis with an emphasis on the various double J (DJ) ureteral stent placement techniques. METHODS: We used our RAL pyeloureterostomy technique in two female infants with duplex systems and upper pole hydronephrosis. For case 1, we introduced the DJ stent and placed it in the recipient lower pole ureter during the robotic operation in an antegrade fashion...
January 19, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28141620/cold-water-mediates-greater-reductions-in-limb-blood-flow-than-whole-body-cryotherapy
#10
Chris Mawhinney, David A Low, Helen Jones, Daniel J Green, Joseph T Costello, Warren Gregson
PURPOSE: Cold-water immersion (CWI) and whole body cryotherapy (WBC) are widely used recovery methods in an attempt to limit exercise-induced muscle damage, soreness and functional deficits after strenuous exercise. The aim of this study was to compare the effects of ecologically-valid CWI and WBC protocols on post-exercise lower limb thermoregulatory, femoral artery and cutaneous blood flow responses. METHODS: Ten males completed a continuous cycle exercise protocol at 70% maximal oxygen uptake until a rectal temperature of 38°C was attained...
January 30, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28132743/factors-associated-with-long-term-outcome-in-191-patients-with-ilio-femoral-dvt-treated-with-catheter-directed-thrombolysis
#11
P Foegh, L P Jensen, L Klitfod, R Broholm, N Bækgaard
OBJECTIVE: To identify factors associated with long-term treatment success after catheter-directed thrombolysis (CDT) for acute deep venous thrombosis (DVT) involving the ilio-femoral vein. MATERIAL AND METHODS: This was a non-randomised observational cohort study. From 1999 to 2013, 191 consecutive patients (203 limbs) attending a tertiary vascular centre at Gentofte University Hospital, Denmark underwent CDT. All patients had ultrasonically verified acute ilio-femoral DVT with open distal popliteal vein and calf veins...
January 26, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28130340/influence-of-sex-on-microvascular-and-macrovascular-responses-to-prolonged-sitting
#12
Jennifer R Vranish, Benjamin E Young, Jasdeep Kaur, Jordan C Patik, Jaume Padilla, Paul J Fadel
Increased daily sitting time is associated with greater cardiovascular risk, and on average women are more sedentary than men. Recent reports have demonstrated that prolonged sitting reduces lower leg microvascular (reactive hyperemia) and macrovascular (flow-mediated dilation, FMD) vasodilator function. However, these studies have predominately included men, and the effects of sitting in young women are largely unexplored. This becomes important given known sex differences in vascular function. Thus herein, we assessed popliteal artery reactive hyperemia and FMD, before and after a 3hr sitting period, in healthy young women (n=12) and men (n=8)...
January 27, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28123173/spontaneous-anterior-tibial-artery-avulsion-and-tibio-peroneal-trunk-transection-resulting-into-a-pseudoaneurysm-a-case-report
#13
Nabil A Al-Zoubi, Rami J Yaghan, Haitham A Qandeel, Tagleb D Mazahreh
BACKGROUND Popliteal fossa pseudoaneurysms as a result of trauma are not uncommon. However, spontaneous pseudoaneurysms as a result of non-traumatic rupture of posterior tibial artery (PTA), anterior tibial artery (ATA), or tibioperoneal trunk (TPT) artery segment are extremely rare. We report a case of spontaneous popliteal fossa pseudoaneurysm resulting from spontaneous avulsion of the ATA and transection of the TPT. Despite a thorough workup, no underlying associated disease was found. The extreme rarity of this disease presentation prompted us to report this case...
January 26, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28118794/concomitant-surgical-treatment-of-symptomatic-carotid-artery-disease-with-a-coexisting-shamblin-i-carotid-body-tumor
#14
Carlos A Hinojosa, Javier E Anaya-Ayala, Hugo Laparra-Escareno, Adriana Torres-Machorro, Rene Lizola, Armando Gamboa-Domínguez
Symptomatic carotid artery atherosclerotic disease is an indication for carotid artery endarterectomy. The coexistence of carotid body tumors (CBTs) with symptomatic carotid disease is rarely encountered and adds significant challenges to vascular surgeons, with a reported overall mortality for patients who undergo endarterectomy and tumor excision of 8.8%, as opposed to the 2% for those who had CBT excision only. We describe the case of a 79-year-old female who experienced an acute cerebrovascular accident in the left hemisphere; duplex ultrasound revealed high-grade carotid stenosis in the left side and the presence of a Shamblin I CBT...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28116936/-superficial-venous-thrombosis-a-state-of-art
#15
Tamás Sándor
For a long time superficial thrombophlebitis has been thought to be a rather benign condition. Recently, when duplex ultrasound technique is used for the diagnosis more and more often, the disease is proved to be more dangerous than anticipated. Thrombosis propagates to the deep veins in 6-44% and pulmonary embolism was observed on the patients in 1,5-33%. We can calculate venous thromboembolic complications on every fourth patient. Diagnosis is clinical, but duplex ultrasound examination is mandatory, for estimation of the thrombus extent, for exclusion of the deep venous thrombosis and for follow up...
January 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28073668/drug-eluting-stenting-for-femoropopliteal-lesions-followed-by-cilostazol-treatment-reduces-stent-restenosis-in-patients-with-symptomatic-peripheral-artery-disease
#16
Kan Zen, Mitsuyoshi Takahara, Osamu Iida, Yoshimitsu Soga, Daizo Kawasaki, Shinsuke Nanto, Hiroyoshi Yokoi, Satoaki Matoba
BACKGROUND: Cilostazol improves clinical endovascular therapy outcomes for femoropopliteal (FP) lesions in patients with symptomatic peripheral arterial disease, but whether it also has clinical benefits for patients after drug-eluting stent implantation remains unclear. METHODS: This study is a subanalysis of the ZilvEr PTX for tHe Femoral ArterY and Proximal Popliteal ArteRy (ZEPHYR) study, a prospective multicenter study investigating FP lesions treated with the Zilver (Cook Medical, Bloomington, Ind) paclitaxel-eluting stent...
January 7, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28063094/stasis-dermatitis-pathophysiology-evaluation-and-management
#17
REVIEW
Swaminathan Sundaresan, Michael R Migden, Sirunya Silapunt
Stasis dermatitis commonly occurs in older age. It is caused by venous hypertension resulting from retrograde flow due to incompetent venous valves, valve destruction, or obstruction of the venous system. Further tissue changes arise from an inflammatory process mediated by metalloproteinases, which are up-regulated by ferric ion from extravasated red blood cells. Stasis dermatitis presents initially as poorly demarcated erythematous plaques of the lower legs bilaterally, classically involving the medial malleolus...
January 6, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28059630/carotid-ultrasound-features-of-anomalous-left-vertebral-artery-originating-from-the-aortic-arch-proximal-to-the-left-subclavian-artery
#18
Masayuki Wakita, Ran Takei, Fumio Miyashita, Yuki Hamada, Satoshi Ohyama, Hideki Matsuoka, Hiroshi Takashima
We present three cases of anomalous origin of the left vertebral artery (LVA) detected during the evaluation of stroke. The VA usually enters the transverse foramen of the sixth cervical vertebra (C6), but an anomalous LVA originating from the aorta frequently enters at a higher level. In our series, ultrasound of the LVA showed entry at C4 in two patients and at C5 in one patient. These findings suggested anomalous LVA origin, and three-dimensional computed tomography demonstrated the LVA arising from the aorta proximal to the left subclavian arteries...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28056580/utility-of-adjunctive-digital-subtraction-venography-for-the-treatment-of-saphenous-vein-insufficiency
#19
Ramon L Varcoe, Shannon D Thomas, Victor Bourke, Nicole M K Rübesamen, Andrew F Lennox
PURPOSE: To report the use of adjunctive venography for the treatment of superficial venous reflux. METHODS: Two hundred consecutive patients (mean age 60.9 years, range 33-86; 128 women) with chronic venous disease underwent saphenous or perforator vein ablation in 268 limbs (305 venous trunks) guided by adjunctive venography and fluoroscopy in addition to ultrasound between October 2010 and May 2016. Intraprocedural venograms were independently evaluated by 2 vascular specialists to identify the presence of venous anomalies and the need for fluoroscopy-guided maneuvers to successfully complete venous ablation...
January 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28045903/evaluation-of-freehand-b-mode-and-power-mode-3d-ultrasound-for-visualisation-and-grading-of-internal-carotid-artery-stenosis
#20
Johann Otto Pelz, Anna Weinreich, Thomas Karlas, Dorothee Saur
BACKGROUND: Currently, colour-coded duplex sonography (2D-CDS) is clinical standard for detection and grading of internal carotid artery stenosis (ICAS). However, unlike angiographic imaging modalities, 2D-CDS assesses ICAS by its hemodynamic effects rather than luminal changes. Aim of this study was to evaluate freehand 3D ultrasound (3DUS) for direct visualisation and quantification of ICAS. METHODS: Thirty-seven patients with 43 ICAS were examined with 2D-CDS as reference standard and with freehand B-mode respectively power-mode 3DUS...
2017: PloS One
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