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https://www.readbyqxmd.com/read/27422058/salmonid-fish-model-organisms-to-study-cardiovascular-morphogenesis-in-conjoined-twins
#1
Per Gunnar Fjelldal, Monica F Solberg, Tom Hansen, Tone Vågseth, Kevin Alan Glover, Harald Kryvi
BACKGROUND: There is a gap in knowledge regarding the cardiovascular system in fish conjoined twins, and regarding the cardiovascular morphogenesis of conjoined twins in general. We examined the cardiovascular system in a pair of fully developed ventrally conjoined salmonid twins (45.5 g body weight), and the arrangement of the blood vessels during early development in ventrally conjoined yolk sac larvae salmonid twins (<0.5 g body weight). RESULTS: In the fully developed twins, one twin was normal, while the other was small and severely malformed...
2016: BMC Developmental Biology
https://www.readbyqxmd.com/read/27276021/complications-of-central-venous-catheter-in-patients-transplanted-with-hematopoietic-stem-cells-in-a-specialized-service
#2
Lidiane Miotto Barretta, Lúcia Marinilza Beccaria, Cláudia Bernardi Cesarino, Maria Helena Pinto
OBJECTIVE: to identify the model, average length of stay on site and complications of central venous catheter in patients undergoing transplant of hematopoietic stem cells and verify the corresponding relationship between the variables: age, gender, medical diagnosis, type of transplant, implanted catheter and insertion site. METHOD: a retrospective and quantitative study with a sample of 188 patients transplanted records between 2007 and 2011. RESULTS: the majority of patients used Hickman catheter with an average length of stay on site of 47...
June 7, 2016: Revista Latino-americana de Enfermagem
https://www.readbyqxmd.com/read/26961299/effects-of-stepwise-denervation-of-the-stellate-ganglion-novel-insights-from-an-acute-canine-study
#3
Gang Wu, Christopher V DeSimone, Scott H Suddendorf, Roshini S Asirvatham, Samuel J Asirvatham, Congxin Huang, Peng-Sheng Chen, Yong-Mei Cha
BACKGROUND: The stellate ganglion (SG) is important for cardiac autonomic control. SG modification is an option for treating refractory ventricular tachyarrhythmias. The optimal extent of left- and right-sided SG denervation necessary for antiarrhythmic effect, however, remains to be learned. OBJECTIVE: The purpose of this study was to evaluate the effects of stepwise SG denervation on hemodynamic and electrophysiological parameters in dogs. METHODS: After sequential left and right thoracotomy in 8 healthy dogs, the SG was exposed by dissection...
July 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/26358834/left-subclavian-artery-rerouting-and-selective-perfusion-management-in-frozen-elephant-trunk-surgery
#4
Konstantinos Tsagakis, Daniel Sebastian Dohle, Daniel Wendt, Wolf Wiese, Jaroslav Benedik, Helmut Lieder, Matthias Thielmann, Heinz Jakob
INTRODUCTION: The frozen elephant trunk (FET) technique enables combined aortic arch and descending aortic repair. We report our experience with a modified arch replacement technique by rerouting of the left subclavian artery (LSA) and fixation of the FET in Zone 2 or proximally under selective perfusion of all three arch arteries and the downstream aorta. MATERIAL AND METHODS: From January 2005 to December 2014, 78 of 173 patients operated with the FET technique underwent rerouting of the LSA...
2015: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/26005389/the-impact-of-vascular-access-on-the-adequacy-of-dialysis-and-the-outcome-of-the-dialysis-treatment-one-center-experience
#5
Alma Mutevelic, Indira Spanja, Indira Sultic-Lavic, Amila Koric
INTRODUCTION: Chronic kidney disease (CKD) is a gradually reduction in glomerular filtration rate (GFR) caused by destruction of a large number of nephrons. Kidney failure is the final stage of CKD with GFR <15ml/min/1.73m(2) or requiring dialysis. Patients must provide vascular access, which is also the "life line" and "Achilles heel" of hemodialysis treatment. AIM: The purpose of this research is to show the demographic structure of the hemodialysis center in Konjic, and also demonstrate the impact of vascular access to the adequacy and the outcome of dialysis treatment...
April 2015: Materia Socio-medica
https://www.readbyqxmd.com/read/25713756/the-effects-of-prior-high-intensity-double-poling-on-subsequent-diagonal-stride-skiing-characteristics
#6
Glenn Björklund, Hans-Christer Holmberg, Thomas Stöggl
PURPOSE: To investigate the influence of prior high intensity double poling (DP) on physiological and biomechanical responses during subsequent diagonal stride (DIA). METHODS: Eight well-trained male cross-country skiers (age 22 ± 3 yr; VO2max 69 ± 3 ml · kg(-1) · min(-1)) roller-skied on a treadmill sequentially for 3 min at 90% DIA VO2max (DIA1), 3 min at 90% DP VO2peak and 3 min at 90% DIA VO2max (DIA2). Cardio-respiratory responses were monitored continuously and gases and metabolites in blood from the a...
2015: SpringerPlus
https://www.readbyqxmd.com/read/25317335/thrombosis-as-a-complication-of-central-venous-access-in-pediatric-patients-with-malignancies-a-5-year-single-center-experience
#7
Verena Wiegering, Sophie Schmid, Oliver Andres, Clemens Wirth, Armin Wiegering, Thomas Meyer, Beate Winkler, Paul G Schlegel, Matthias Eyrich
BACKGROUND: Reliable central venous access (CVC) is essential for hematology-oncology patients since frequent puncture of peripheral veins-e.g., for chemotherapy, antibiotic administration, repeated blood sampling, and monitoring-can cause unacceptable pain and psychological trauma, as well as severe side effects in cases of extravasation of chemotherapy drugs. However, CVC lines still carry major risk factors, including thrombosis, infection (e.g., entry site, tunnel, and luminal infections), and catheter dislocation, leakage, or breakage...
2014: BMC Hematology
https://www.readbyqxmd.com/read/24873726/the-importance-of-the-costoclavicular-space-in-upper-limb-primary-deep-vein-thrombosis-a-study-with-magnetic-resonance-imaging-mri-technique-enhanced-by-a-blood-pool-agent
#8
Thomas Arnhjort, Jonas Nordberg, Martin Delle, Carl-Johan Borgis, Stefan Rosfors, Gerd Lärfars
BACKGROUND: Primary upper extremity deep vein thrombosis (UEDVT) can be divided into idiopathic and effort thrombosis. Anatomical factors probably play an important role in effort thrombosis, whereas the cause remains mostly unknown in idiopathic thrombosis. OBJECTIVES: The primary objective of this study was to examine the anatomy of the subclavian region and evaluate how these factors contribute to primary UEDVT. The secondary objective was to investigate if venous compression correlates with post thrombotic syndrome (PTS)...
July 2014: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/24407899/long-term-totally-implantable-venous-access-port-systems-one-center-experience
#9
Jerzy Paleczny, Beata Banyś-Jafernik, Katarzyna Gazurek, Krzysztof Kierpieć, Halina Szczerba, Piotr Zipser
BACKGROUND: Implantable venous access ports are essential for patients requiring chronic venous access. The aim of this study was to determine securities, risks of complications and patients' satisfaction with using a port system. METHODS: Between April 2008 and May 2013, 220 consecutive patients (mean age: 53 ± 12 years; 155 female) were enrolled into this observational, single-centre study. 65 patients who received a port system were asked to complete a questionnaire with the aim of evaluating the patient's satisfaction and quality of life...
October 2013: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/23910125/decompression-of-thoracic-duct-new-approach-for-the-treatment-of-failing-fontan
#10
Viktor Hraška
In failing Fontan circulation, the elevated central venous pressure increases lymphatic production and simultaneously retards lymphatic return to the central venous system, thus unbalancing lymphatic homoeostasis. To improve lymphatic drainage, a new concept based on decompression of the thoracic duct to the lower pressure levels of the common atrium, with concomitant increase of preload, has been developed. The thoracic duct, which in the majority of patients enters the circulation at the left subclavia-jugular junction, is decompressed by diverting the innominate vein directly to the common atrium...
August 2013: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/22961244/arterial-thrombosis-in-homozygous-antithrombin-deficiency
#11
M Olivieri, C Bidlingmaier, S Schetzeck, I Borggräfe, C Geisen, K Kurnik
UNLABELLED: Antithrombin (AT), a serin protease inhibitor (serpin) produced in the liver, inhibits mainly thrombin and factor Xa. Antithrombin deficiency (AD) is associated with a higher incidence of thrombosis. CASE REPORT: We report a newborn with uncomplicated birth in the 40+5 week of gestation and postnatal appearance of a reticular, livide haematoma on the right upper arm and a tonic clonic epileptic seizure. Clinical examination revealed weak pulses in the A...
2012: Hämostaseologie
https://www.readbyqxmd.com/read/22846976/administration-of-chemotherapy-by-an-arteriovenous-fistula-in-a-patient-with-metastatic-rectal-cancer-after-life-threatening-port-thrombosis-associated-cava-superior-syndrome-an-option-for-patients-without-possibility-of-peripheral-or-central-venous-access
#12
Alexander Stein, Sonja Hiemer, Karin Jordan, Dirk Arnold, Hans-Joachim Schmoll
BACKGROUND: Patients with solid tumors have an increased risk of venous thromboembolism, potentially related to a venous port system. In case of catheter-related thrombosis despite full anticoagulation, further treatment administration is difficult. CASE REPORT: A 41-year-old female patient with a K-Ras wild-type adenocarcinoma of the rectum was diagnosed with systemic disease in June 2008 after several local recurrences treated with surgery and additive chemotherapy...
2012: Onkologie
https://www.readbyqxmd.com/read/21276706/urgent-endovascular-treatment-of-a-ruptured-tibioperoneal-pseudoaneurysm-in-beh%C3%A3-et-s-disease
#13
Jorge Vilariño Rico, Fernando Gallardo Pedrajas, Ignacio Cao González, Ramon Joaquin Segura Iglesias
BACKGROUND: Behçet's disease is an autoimmune, systemic vasculitis disease that is characterized by oral aphthous and genital ulcerations and ocular lesions. Vascular manifestations in the form of aneurysms are the main predictors of mortality and morbidity in such cases. Normally, these aneurysms are located in the pulmonary arteries, the aorta, carotid, subclavia, and the femoropopliteal sector. Open surgery presents a maximum complication rate of 50%, principally in the form of anastomotic pseudoaneurysms...
April 2011: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/20712247/-venous-thrombosis-as-a-clinical-problem-after-pacemaker-implantation-case-report
#14
Jacek Lelakowski, Jacek Majewski, Andrzej Zabek, Barbara Małecka, Margin Kuniewicz, Mariusz Kafara
Although transvenous pacing is a safe treatment modality for bradyarrhythmias, serious thrombotic and embolic complications are reported to occur in 0.6-3.5% of cases. We describe a case of pacemaker-associated thrombosis, with an axillary and subclavia veins thrombosis. The patient was treated with subcutaneous heparin which proved successful as the sole treatment.
July 2010: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/20482908/-a-man-with-a-swelling-in-the-neck
#15
Cock J Storm, A A M Ton van Ombergen
A 64-year-old man had an occlusion of his left V. subclavia, caused by pacemaker electrodes that were removed 6 years ago.
2010: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/20478135/-the-tikhoff-linberg-procedure
#16
I Kofránek, Z Matejovský
The Tikhoff-Linberg procedure represents one of the possibilities for treatment of extensive bone and soft tissue tumors in the shoulder region, and is a limb saving alternative to interscapulothoracic amputation. This procedure includes a resection of the proximal part of the humerus, a total scapulectomy, and a total or partial excision of the clavicula. The authors operated by this method in a time period of 26 years on eight patients. The diagnoses of operated bone tumors were three osteosarcomas, three chondrosarcomas, one fibrosarcoma and one clinically solitary metastasis...
1999: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/19902322/the-importance-of-the-origin-of-vertebral-arteries-in-cerebral-ischemia-in-the-rabbit
#17
David Mazensky, Jan Danko
The aim of this study was to verify whether experimentally induced total cerebral ischemia in rabbits actually corresponds to total ischemia on the basis of the origin of certain vessels. We observed morphological variations in the origin and course of the arteria vertebralis as one of the vessels supplying the brain with blood. Investigations were carried out on 50 adult New Zealand rabbits. We prepared corrosion casts of the arterial system using Duracryl Dental. We found that in 86% of cases (43 animals) the arteria vertebralis sinistra originated directly from the arteria subclavia sinistra, in 10% of cases (5 animals) it originated from the arcus aortae as an independent branch, and in 4% of cases (2 animals) it arose from the arcus aortae as a common trunk with the arteria scapularis descendens...
June 2010: Anatomical Science International
https://www.readbyqxmd.com/read/19811756/-use-of-d-dimer-to-exclude-upper-extremity-deep-venous-thrombosis
#18
Hans-Ulrik Ahler-Toftehøj, Peter Mikkelsen
D-dimer is often used to exclude deep venous thrombosis, primarily in the lower extremities. We describe a 38-year-old man who had deep venous thrombosis in the left vena subclavia in spite of a normal D-dimer. Only one inconclusive survey compares the value of D-dimer and upper extremity deep venous thrombosis. We conclude that where deep venous thrombosis of the upper extremities is suspected, you cannot rely on the D-dimer value, but should examine the patient using other modalities such as colour Doppler ultrasound...
September 21, 2009: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/19645980/the-anterior-to-midaxillary-line-between-the-4th-or-5th-intercostal-space-buelau-position-is-safe-for-the-use-of-thoracostomy-tubes-in-preterm-and-term-infants
#19
Frank Eifinger, Miriam Lenze, Katrin Brisken, Lars Welzing, Bernhard Roth, Jürgen Koebke
OBJECTIVES: Thoracostomy tubes are widely used in neonatology. Complications occurred significantly more frequently in infants, especially neonates, than in adults. Principally, the access is the modified Buelau position which takes place in the anterior axillary line at the 4th or 5th intercostal space above the margin of the ribs. AIM: This study seeks to determine the characteristics and topographic conditions of the anatomical structures at the ventral and lateral thoracic wall in the preterm and term neonate...
June 2009: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/19247240/once-versus-twice-weekly-changing-of-central-venous-catheter-occlusive-dressing-in-intensive-chemotherapy-patients-results-of-a-randomized-multicenter-study
#20
RANDOMIZED CONTROLLED TRIAL
Samuel Vokurka, Eva Bystricka, Maria Visokaiova, Jana Scudlova
BACKGROUND: Changing a central venous catheter occlusive dressing on a twice-weekly basis is usually recommended in hemato-oncological patients. A longer interval is believed to give rise to infections. However, frequent dressing changes might cause local cutaneous damage. MATERIAL/METHODS: Local cutaneous damage and infections were compared in patients with once-weekly versus twice-weekly changes of central venous catheters occlusive dressings. This was a prospective, randomized, multicenter trial...
March 2009: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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