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https://www.readbyqxmd.com/read/28954488/the-peripheral-quantitative-computed-tomographic-and-densitometric-analysis-of-skeletal-tissue-in-male-wistar-rats-after-chromium-sulfate-treatment
#1
Marek Bieńko, Radosław Piotr Radzki, Dariusz Wolski
INTRODUCTION: This study evaluates the effects of three different doses of chromium sulphate on bone density and the tomographic parameters of skeletal tissue of rats. MATERIAL AND METHODS: The experiment was performed on 40 male Wistar rats which received, by gavage, during 90 days, a chromium sulphate in either a daily dose of 400, 600 or 800 µg/kg BW. At the end of experiment, the rats were scanned using the densitometry method (DXA) to determine the bone mineral density, bone mineral content of total skeleton and vertebral column (L2-L4) and parameters of body composition (Lean Mass and Fat Mass)...
September 21, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28840591/comparison-of-dedicated-bioss-bifurcation-stents-with-regular-drug-eluting-stents-for-coronary-artery-bifurcated-lesions-pooled-analysis-from-two-randomized-studies
#2
Robert J Gil, Jacek Bil, Adam Kern, Luis A Iñigo Garcia, Radosław Formuszewicz, Sławomir Dobrzycki, Dobrin Vassilev, Agnieszka Segiet
BACKGROUND: Coronary bifurcation treatment poses a therapeutic challenge. The aim of this study was to analyze pooled data of two randomized clinical trials, POLBOS I and POLBOS II, to compare 1-year follow-up results and identify possible prognostic factors. METHODS: In POLBOS trials dedicated bifurcation BiOSS® stents were compared with regular drug eluting stents (rDES) in patients with stable coronary artery disease (CAD) or non ST-segment elevation acute coronary syndrome (POLBOS I: paclitaxel eluting BiOSS® Expert vs...
August 25, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28761561/coronary-perforation-of-distal-diagonal-branch-followed-by-prolonged-recurrent-cardiac-tamponade-finally-resolved-with-pericardiotomy-the-potential-risk-of-hydrophilic-guide-wires
#3
Rafał Januszek, Krzysztof Bartuś, Radosław Litwinowicz, Artur Dziewierz, Łukasz Rzeszutko
PURPOSE: Coronary artery perforation (CAP) is a complication of percutaneous coronary interventions (PCIs). Hydrophilic guide-wires have been shown to increase the probability of CAP. Depending on the size of perforations we adopt different treatments. CASE: We present the case of a 73-year old male with coronary artery disease and severe aortic valve stenosis. The patient was in the process of qualifying for a transcatheter aortic valve implantation. Unfortunately, CAP of the first diagonal branch of the LAD occurred during PCI...
2017: Open Cardiovascular Medicine Journal
https://www.readbyqxmd.com/read/27124724/in-heart-failure-patients-with-left-bundle-branch-block-single-lead-multispot-left-ventricular-pacing-does-not-improve-acute-hemodynamic-response-to-conventional-biventricular-pacing-a-multicenter-prospective-interventional-non-randomized-study
#4
MULTICENTER STUDY
Maciej Sterliński, Adam Sokal, Radosław Lenarczyk, Frederic Van Heuverswyn, C Aldo Rinaldi, Marc Vanderheyden, Vladimir Khalameizer, Darrel Francis, Joeri Heynens, Berthold Stegemann, Richard Cornelussen
INTRODUCTION: Recent efforts to increase CRT response by multiSPOT pacing (MSP) from multiple bipols on the same left ventricular lead are still inconclusive. AIM: The Left Ventricular (LV) MultiSPOTpacing for CRT (iSPOT) study compared the acute hemodynamic response of MSP pacing by using 3 electrodes on a quadripolar lead compared with conventional biventricular pacing (BiV). METHODS: Patients with left bundle branch block (LBBB) underwent an acute hemodynamic study to determine the %change in LV+dP/dtmax from baseline atrial pacing compared to the following configurations: BiV pacing with the LV lead in a one of lateral veins, while pacing from the distal, mid, or proximal electrode and all 3 electrodes together (i...
2016: PloS One
https://www.readbyqxmd.com/read/25733173/ultrasound-evaluation-of-forearm-arteries-in-patients-undergoing-percutaneous-coronary-intervention-via-radial-artery-access-results-of-one-year-follow-up
#5
Jan Przemysław Peruga, Jan Zbigniew Peruga, Jarosław D Kasprzak, Radosław Kręcki, Łukasz Jankowski, Piotr Zając, Michał Plewka
BACKGROUND: A proven advantage of radial over femoral arterial access has led to an increase in the number of interventions performed via radial artery access in patients with acute coronary syndromes. Both assessment of the pulse volume and the Allen's test are subjective and subject to investigator bias. An ultrasound examination of the forearm arteries provides important information about the anatomy of the forearm vessels, and indirectly also about the efficiency of collateral blood supply to the hand...
2015: Kardiologia Polska
https://www.readbyqxmd.com/read/24570698/left-anterior-descending-artery-percutaneous-coronary-intervention-via-the-left-internal-mammary-artery-in-a-54-year-old-type-1-diabetic-woman-a-case-report
#6
Radosław Kręcki, Jarosław Kasprzak
Data on the treatment of left anterior descending artery (LAD) stenosis involving or localized distally to left internal mammary artery anastomosis are scarce and not homogeneous. Both surgery (CABG) and percutaneous interventions (PCI) have been attempted, but the most effective treatment has not yet been established. We report a case of a 54-year-old woman suffering from chronic, stable angina and diabetes type 1 successfully treated with percutaneous angioplasty of LAD via the left internal mammary artery with drug-eluting stent implantation with excellent short-term results...
2013: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
https://www.readbyqxmd.com/read/24310762/laparoscopic-distal-pancreatectomy-new-standard-in%C3%A2-the%C3%A2-pancreatic-surgery
#7
Marek Durlik, Marta Matejak-Górska, Radosław Jaworowski, Zuzanna Kaszycka, Katarzyna Baumgart
UNLABELLED: The improvement of laparoscopic techniques that we witnessed over the last decade, also applied to pancreatic surgery. Both worldwide and in Poland, increasingly more patients with lesions located within the body and tail of the pancreas are treated using laparoscopic distal pancreatectomy. The aim of the study was to compare the outcomes of laparoscopic and open distal pancreatectomy. MATERIAL AND METHOD: Between January 2009 and March 2013, 107 patients underwent distal pancreatectomy at a single institution: 39 using laparoscopic technique and 68 using open technique...
October 2013: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/22825904/difficult-dual-stage-transcutaneous-lead-extraction-complicated-by-fracture-of-both-leads
#8
Andrzej Kutarski, Radosław Pietura, Marek Czajkowski
Extraction of two long-implanted (11 year-old) active leads due to local infection was complicated by the fracture of both leads with a metal sheath. The presence of a temporary pacing lead, inserted due to pacemaker dependence, made extraction even more difficult. The fixation of both proximal extracted lead endings in the occluded subclavian vein was much stronger than the connection of the tips of the leads with the RAA and RVA endocardium. The disintegration of both leads caused by drawing upon the distal ending added additional technical complications to the final procedure...
2012: Cardiology Journal
https://www.readbyqxmd.com/read/22311860/long-term-results-of-cephalad-arteries-percutanoeus-transluminal-angioplasty-with-stent-implantation-the-captas-registry
#9
MULTICENTER STUDY
Piotr P Buszman, Radosław Szymański, Marcin Dębiński, Krzysztof Milewski, Marek Król, Przemyslaw Nowakowski, R Stefan Kiesz, Martin G Radvany, Szymon Wiernek, Barbara Wiernek, Pawel E Buszman
INTRODUCTION: Carotid artery stenting (CAS) has become an alternative to carotid endarterectomy. Moreover, percutaneous transluminal angioplasty (PTA) allows other cephalad arteries revascularization. The aim of this study was to evaluate late outcomes of cephalad arteries PTA. METHODS: This is an international multicenter registry of 434 consecutive patients in which 497 PTAs were performed. Patients with symptomatic >50% stenosis or asymptomatic >70% stenosis were enrolled...
March 1, 2012: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/22267425/first-in-man-study-of-paclitaxel-eluting-stent-bioss-bifurcation-optimisation-stent-system-dedicated-for-coronary-bifurcation-stenoses-three-months-results
#10
Robert J Gil, Dobrin Vassiliev, Aleksandra Michałek, Adam Kern, Radosław Formuszewicz, Sławomir Dobrzycki, Maciej Lesiak, Jarosław Wójcik, Piotr Kardaszewicz, Andrzej Lekston
BACKGROUND: The best treatment strategy for coronary bifurcation stenosis is still unknown. Dedicated bifurcation stents are the most promising solution. AIM: To evaluate the safety and short-term efficacy of a new stent dedicated for coronary bifurcation stenosis. METHODS: A new bifurcation optimisation stent system (BiOSS, Balton, Poland) is made of 316L stainless steel and is coated with a mixture of biodegradable lactate polymer and paclitaxel (1 μg/mm(2))...
2012: Kardiologia Polska
https://www.readbyqxmd.com/read/21707243/endovascular-treatment-of-avm-associated-aneurysm-of-anterior-inferior-cerebellar-artery-through-persistent-primitive-hypoglossal-artery
#11
Goran Pavlisa, Marko Rados, David Ozretic, Gordana Pavlisa
We present a patient with the combination of persistent primitive hypoglossal artery and the origin of left common carotid artery from the brachiocephalic trunk, who had subarachnoid haemorrhage caused by a ruptured aneurysm. The aneurysm was on distal anterior inferior cerebellar artery which was a feeder to cerebellar arterio-venous malformation.
February 2012: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/19628265/complex-case-of-urethral-duplication-with-megalourethra
#12
Sanja Sindjic, Sava V Perovic, Rados P Djinovic
Urethral duplication and megalourethra are very rare anomalies and their concomitant presence is extremely rare, with only a few published cases. We present a complex case of complete urethral duplication with dorsal megalourethra that was severely stenotic in its bulbar part and meatus, with the ventral urethra atretic distally and dilated proximally. Both the corpus spongiosum and the cavernosum were missing. He had associated upper urinary tract abnormalities. Urethral patency was restored successfully by meatoplasty, staged buccal mucosa graft urethroplasty, and tailoring of the megalourethra...
October 2009: Urology
https://www.readbyqxmd.com/read/19514477/-facial-asymmetry-in-children-with-congenital-muscular-torticollis-after-surgical-treatment
#13
Adrian Masłoń, Radosław Lebiedziński, Marcin Domzalski, Marek Synder, Andrzej Grzegorzewski
Asymmetrical position of facial skeleton and movement restriction in the cervical spine in young children could be caused by torticollis mainly muscle origin. We observe miofibrosis of sternocleidomastoid muscle. This face deformation is seen from 0.3 to 1.5% children. Torticollis could be associated with malocclusion, facial asymmetry, vision defect or vertebral body deformation. Muscle stretching is a main type of treatment at infantile age. In the case of faille and in older children sternocleidomastoid myotomy is indicated...
January 2009: Chirurgia Narzadów Ruchu i Ortopedia Polska
https://www.readbyqxmd.com/read/19168165/bone-loss-in-the-lower-leg-during-35-days-of-bed-rest-is-predominantly-from-the-cortical-compartment
#14
Jörn Rittweger, Bostjan Simunic, Giancarlo Bilancio, Natale Gaspare De Santo, Massimo Cirillo, Gianni Biolo, Rado Pisot, Ola Eiken, Igor B Mekjavic, Marco Narici
Immobilization-induced bone loss is usually greater in the epiphyses than in the diaphyses. The larger fraction of trabecular bone in the epiphyses than in the diaphyses offers an intuitive explanation to account for this phenomenon. However, recent evidence contradicts this notion and suggests that immobilization-induced bone loss from the distal tibia epiphysis is mainly from the cortical compartment. The aim of this study was to establish whether this pattern of bone loss was a general rule during immobilization...
April 2009: Bone
https://www.readbyqxmd.com/read/19105094/novel-atherogenesis-markers-for-identification-of-patients-with-a-multivessel-coronary-artery-disease
#15
Radosław Krecki, Jarosław Drozdz, Piotr Szcześniak, Daria Orszulak-Michalak, Maria Krzemińska-Pakuła
BACKGROUND: Patients with advanced coronary artery disease (CAD) have an unfovourable prognosis. Therefore, early identification of this high-risk group is important. AIM: To asses the utility of clinical, electrographic and echocardiographic parameters, supported by novel atherogenesis markers, to identify patients with triple vessel coronary artery disease (CAD). METHODS: The study group comprised 37 patients (29 males, mean age 64+/-8 years) suffering from multivessel CAD and a control group of 16 patients (8 males, mean age 60+/-10 years), in whom - despite typical stenocardial symptoms, positive exercise stress test and segmental contractility disturbances - coronary angiography did not reveal any haemodynamically significant CAD...
November 2008: Kardiologia Polska
https://www.readbyqxmd.com/read/17655477/comparison-of-the-hemodynamic-and-thrombogenic-performance-of-two-bileaflet-mechanical-heart-valves-using-a-cfd-fsi-model
#16
COMPARATIVE STUDY
Kris Dumont, Jan Vierendeels, Rado Kaminsky, Guido van Nooten, Pascal Verdonck, Danny Bluestein
The hemodynamic and the thrombogenic performance of two commercially available bileaflet mechanical heart valves (MHVs)--the ATS Open Pivot Valve (ATS) and the St. Jude Regent Valve (SJM), was compared using a state of the art computational fluid dynamics-fluid structure interaction (CFD-FSI) methodology. A transient simulation of the ATS and SJM valves was conducted in a three-dimensional model geometry of a straight conduit with sudden expansion distal the valves, including the valve housing and detailed hinge geometry...
August 2007: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/17484492/-idiopathic-progressive-bilateral-ureteral-stenosis
#17
Enrique de Diego Rodríguez, Alberto Hernádez Castrillo, Miguel Angel Rado Velázquez, José María Gómez Ortega
OBJECTIVE: To report one case of progressive bilateral ureteral stenosis without demonstrable etiologic cause. METHODS: We diagnosed and treated a 73-year-old female patient who developed progressive bilateral distal ureteral stenosis without a demonstrable cause. RESULTS: Surgery was carried out and the pathologic study showed a bilateral ureteral stenosis secondary to fibrosis and chronic unspecific inflammation. CONCLUSIONS: Idiopathic ureteral stenosis is a rare clinical picture, more if progressive and bilateral...
March 2007: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/15712143/arteries-to-the-proximal-part-of-the-olfactory-tract
#18
Maciej Ciołkowski, Radosław Michalik, Bogdan Ciszek
Destruction of the vascularisation of the olfactory structures during fronto-orbital surgical approaches to the sellar region may result in anosmia as a complication. The goal of this study was to describe the sources of blood supply to the proximal olfactory tract and the macroscopic distribution of these vessels. 20 human brains fixed in formalin with arteries injected with ink-coloured gelatine were studied using a surgical microscope and the micro-dissection technique. The vessels running along the olfactory tract posteriorly and anteriorly on its inferior and superior surface were observed...
November 2004: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/12418146/-percutaneous-transluminal-angioplasty-of-extracranial-vertebral-artery-stenosis-a-case-report
#19
Radosław Pietura, Anna Szymańska, Małgorzata Szczerbo-Trojanowska
Due to improvement in intravascular therapeutic procedures significant stenoses of vertebral and basilar arteries can presently be treated by means of percutaneous transluminal angioplasty (PTA). The reported case was a 34-year-old man with symptomatic stenosis of the distal left vertebral artery and hypoplastic right vertebral artery. The patient underwent PTA and the lesion was sufficiently dilated. No complications occurred during or after the procedure. After a year duplex Doppler follow-up examination showed normal blood flow and patency of both vertebral arteries...
July 2002: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/10442507/patterns-of-potassium-wasting-in-response-to-stepwise-combinations-of-diuretics-in-nephrotic-syndrome
#20
A Haris, J P Radó
OBJECTIVE: To study the urinary potassium wasting patterns when the decreasing effectiveness of diuretics during repeated administrations are counterbalanced by stepwise increases of doses and combinations of them. PATIENTS: Eleven patients with renal edema. Seven patients suffered from advanced nephrotic syndrome and 4 patients were "forme fruste". METHODS: Urinary excretions and serum levels of potassium, sodium, creatinine, osmoles were determined; specific renal functions, glomerular filtration rate (GFR) fractional excretion of potassium (FE(K)), transtubular potassium gradient (TTKG) and free water reabsorption (TcH2O) were calculated...
July 1999: International Journal of Clinical Pharmacology and Therapeutics
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