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Catheterization techniques

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https://www.readbyqxmd.com/read/28090072/reconsideration-of-inferior-vena-cava-parameters-for-estimating-right-atrial-pressure-in-an-east-asian-population%C3%A3-comparative-simultaneous-ultrasound-catheterization-study
#1
Takayuki Kawata, Masao Daimon, Seitetsu L Lee, Koichi Kimura, Naoko Sawada, Shuo-Ju Chiang, Keitaro Mahara, Takeshi Okubo, Tomoko Nakao, Megumi Hirokawa, Boqing Xu, Tomoko S Kato, Masafumi Watanabe, Yutaka Yatomi, Issei Komuro
BACKGROUND: Ultrasound measurements of the inferior vena cava (IVC) diameter (IVCD), together with its respiratory variation, provide a noninvasive estimate of right atrial pressure (RAP). However, there is a paucity of studies that have compared this technique with simultaneous catheterization. We explored the best cut-off values of IVC parameters for elevated RAP in comparison with RAP measured by catheterization.Methods and Results:We prospectively enrolled 120 East Asian patients who were scheduled for catheterization...
January 13, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28074772/-nuclear-medicine-techniques-for-selective-internal-radiotherapy-of-liver-cancer
#2
Peter Frøhlich Staanum, Anne Kirstine Arveschoug, Stine Maria Jentoft Kramer, Jens Erik Nielsen, Dennis Tønner Nielsen, Peter Ott, Henning Grønbæk, Gerda Elisabeth Villadsen
Selective internal radiation therapy (SIRT) of hepatocellular carcinoma has been introduced at Aarhus University Hospital. 90Y-microspheres are implanted in the tumour by catheterization of the tumour feeding liver artery. Pretreatment angiography and test treatment using 99mTc-labelled particles followed by scintigraphy ensure a feasible and effective treatment. Post-treatment imaging of radiation from 90Y visualize the localization of microspheres. Currently, SIRT is also applied for liver metastases of neuroendocrine tumours...
January 2, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28073286/bipolar-plasmakinetic-enucleo-resection-of-the-prostate-our-exp%C3%A3-rience-with-245-patients-for-3-years-of-follow-up
#3
Ahmed Abou-Taleb, Waleed El-Shaer, Wael Saber, Tarek Gharib, Alaa Elshaer
OBJECTIVE: the aim of this study was to evaluate the safety, feasibility and effectiveness of bipolar transurethral plasmakinetic enucleation of the prostate (PKEP). PATIENTS AND METHOD: Between January 2010 and October 2013, 245 patients with lower urinary tract symptoms (LUTS) due to benign prostatic hyperplasia (BPH) underwent transurethral enucleation of prostate using bipolar plasma vaporization energy. They were evaluated pre-operatively by Full detailed history, examination especially digital rectal examination (DRE), routine pre-operative investigation, serum prostate-specific antigen (PSA), abdominal and trans-rectal ultrasonography (US) and Maximum flow rates (Qmax)...
January 10, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28072667/does-the-use-of-a-vein-visualization-device-for-peripheral-venous-catheter-placement-increase-success-rate-in-pediatric-patients
#4
Duygu Demir, Sevil Inal
BACKGROUND: Peripheral intravenous catheterization is one of the most frequently encountered medical procedures for hospitalized children and is one that can often be painful. Pediatric nurses should therefore use techniques that increase the success rate or shorten the duration of peripheral intravenous catheterization. OBJECTIVES: This study was performed with the objective of determining the effect of using a vein visualization device on the success of the procedure...
January 9, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28063199/diagnostic-accuracy-of-echocardiography-combined-with-chest-ct-in-pulmonary-hypertension
#5
Adil Shujaat, Abubakr A Bajwa, Farah Al-Saffar, Jason Bellardini, Lisa Jones, James D Cury
BACKGROUND: Transthoracic echocardiography (TTE) and computerized axial tomography (CT) are complementary imaging techniques. It is possible that a combination of the two may offer a better way of identifying pulmonary hypertension (PH) than either one alone. OBJECTIVES: To determine the diagnostic accuracy of TTE combined with chest CT in pulmonary hypertension. METHODS: We performed a retrospective review of consecutive patients who had undergone TTE, CT and right heart catheterization (RHC) between 7/1/2008 and 6/30/2012...
January 7, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28057993/-spiral-cap-ileocystoplasty-for-bladder-augmentation-and-ureteric-reimplant
#6
S Ajit Sawant, Ashwin Sunil Tamhankar, Vikash Kumar, W Pawar Prakash, V Kasat Gaurav, Sumit Bansal
OBJECTIVE: To demonstrate the new technique of Spiral-cap ileocystoplasty for bladder augmentation and simultaneous ureteric reimplant. MATERIALS AND METHODS: Seven patients with small capacity bladder and simultaneous lower ureteric involvement operated in single tertiary care institute over the last 5 years were included in this study. Spiral-cap ileocystoplasty was used in all the patients for bladder augmentation. Proximal part of the same ileal loop was used in isoperistaltic manner for ureteric reimplantation...
October 2016: Urology Annals
https://www.readbyqxmd.com/read/28056235/-a-novel-open-chest-method-of-right-ventricular-hemodynamics-measurement-in-pulmonary-hypertensive-mice
#7
A H Yuan, Y Y He, S H Yang, S Q Li, J Ye, S Hu, J Y Qiu, Z C Jing, X J Wang
Objective: Right heart catheterization is the gold-standard for measurement of right ventricular hemodynamics. However, it is difficult to perform in mice. We thus aimed to establish a new open chest method to record and analyze the right ventricular hemodynamic parameters in intubated mice connected to a respirator under anesthesia. Methods: Eight-week old male C57BL/6 mice were divided into the control group, and the hypoxia group using completely random method. Mice in the hypoxia group were exposed in low pressure oxygen chamber, which simulated the environment of plateau (5 500 m altitude, 10% oxygen) for 3 weeks...
December 24, 2016: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28050683/effect-of-surfactant-therapy-using-orogastric-tube-for-tracheal-catheterization-in-preterm-newborns-with-respiratory-distress
#8
Rampal Singh Tomar, Ranjit Ghuliani, Dinesh Yadav
OBJECTIVE: To assess the outcome of a modified method of Minimally Invasive Surfactant Therapy (MIST) therapy where an orogastric tube was used for tracheal catherization to deliver surfactant in preterm newborns less than 34 wk of gestation with respiratory distress syndrome (RDS). METHODS: A single centre, prospective observational study was conducted to enroll eligible inborn preterm neonates with gestation age more than 24 wk but less than 34 wk and suffering from RDS to receive surfactant using MIST...
January 3, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28044238/vaporize-anatomically-vaporize-or-enucleate-the-prostate-the-flexible-use-of-the-greenlight-laser
#9
Luca Cindolo, Lorenzo Ruggera, Paolo Destefanis, Claudio Dadone, Giovanni Ferrari
PURPOSES: GreenLight laser has gained increasing acceptance as a less invasive treatment for lower urinary tract symptoms due to benign prostatic hyperplasia (BPH/LUTS). Three surgical options were developed: standard photovaporization (PVP), anatomical PVP and GreenLight enucleation of prostate (GreenLEP); however, literature lacks a direct comparison among the procedures. Aim of the present study is to compare the three techniques in a multicentre series of patients. METHODS: Data were collected from consecutive patients with indication to surgical management of BPH/LUTS in five institutions...
January 2, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28043366/semen-cryopreservation-and-radical-reduction-capacity-of-seminal-fluid-in-captive-african-lion-panthera-leo
#10
I Luther, U Jakop, I Lueders, A Tordiffe, C Franz, J Schiller, A Kotze, K Müller
Optimizing cryopreservation protocols for nondomestic felids contributes to the successful development of assisted reproduction techniques and genetic resource banking. In this study, we describe a simple cryopreservation procedure for African lion (Panthera leo) ejaculates, which was tested with different packaging options and different sperm numbers per dose. By applying urethral catheterization and electroejaculation, 17 ejaculates with greater than 20% motile and greater than 5% progressively motile sperm were collected...
February 2017: Theriogenology
https://www.readbyqxmd.com/read/28039517/solvent-dehydrated-dermal-allograft-axis%C3%A2-augmented-cystocele-repair-longitudinal-results
#11
Saad Juma, Omer A Raheem
INTRODUCTION AND HYPOTHESIS: Surgical repair options for pelvic organ prolapse (POP) include native tissue, allograft, xenograft, and synthetic grafts. Solvent-dehydrated dermal allograft (SDDG) has an improved safety profile. We evaluated the long-term safety and efficacy of SDDG use for cystocele repair. METHODS: A total of 184 patients completed a minimum follow-up of 12 months. Incontinence Impact Questionnaire (IIQ), Urogenital Distress Inventory (UDI), and Visual Analogue Scale (VAS) were used pre and post operatively...
December 30, 2016: International Urogynecology Journal
https://www.readbyqxmd.com/read/28038838/-interventional-cardiac-catheterization-in-congenital-heart-disease
#12
François Godart, Ali Houeijeh
Interventional cardiac catheterization has a major place in the management of congenital heart disease. Since the Rashkind atrioseptostomy in mid-1960s, many techniques have been developed. For some, it is necessary to close a cardiac or extracardiac shunt using occluder (double disc system, plug, coil…): closure of atrial septal defect, ventricular septal defect or patent arterial duct. For others, it is necessary to treat a valvular or vascular stenosis using a balloon catheter: dilatation of the pulmonary or the aortic valve, dilatation of aortic coarctation...
December 27, 2016: La Presse Médicale
https://www.readbyqxmd.com/read/28031682/diagnosing-left-coronary-ostial-atresia-sometimes-the-old-ways-are-best
#13
Steven Karayiannis, Brian Anthony McCrossan, Andrew Sands
A 12-year-old boy with intermittent syncope associated with exercise. Exercise stress testing suggested myocardial ischemia and 2D echocardiography failed to confirm antegrade flow in the left main stem. Advanced imaging techniques including cardiac-gated computed tomography angiography and stress cardiac magnetic resonance imaging were falsely reassuring. Cardiac catheterization demonstrated left coronary artery ostial atresia with a good caliber left coronary system supplied by generous collaterals from the right coronary artery...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28030578/use-of-ecg-and-other-simple-non-invasive-tools-to-assess-pulmonary-hypertension
#14
Gabor Kovacs, Alexander Avian, Vasile Foris, Maria Tscherner, Xhylsime Kqiku, Philipp Douschan, Gerhard Bachmaier, Andrea Olschewski, Marco Matucci-Cerinic, Horst Olschewski
BACKGROUND: There is a broad consensus that pulmonary hypertension (PH) is to be diagnosed by right heart catheterization (RHC) and that the most important non-invasive tool is echocardiography. However, the role of simple non-invasive tools in the work-up of PH is not clearly defined. We hypothesized that the use of simple non-invasive techniques may help to guide important decisions in the diagnostics of pulmonary hypertension. OBJECTIVES: We aimed to develop an algorithm with the use of simple, non-invasive tools in order to identify patients with very high or very low likelihood of PH...
2016: PloS One
https://www.readbyqxmd.com/read/28017584/feasibility-of-three-dimensional-magnetic-resonance-angiography-fluoroscopy-image-fusion-technique-in-guiding-complex-endovascular-aortic-procedures-in-patients-with-renal-insufficiency
#15
Adeline Schwein, Ponraj Chinnadurai, Dipan J Shah, Alan B Lumsden, Carlos F Bechara, Jean Bismuth
OBJECTIVE: Three-dimensional image fusion of preoperative computed tomography (CT) angiography with fluoroscopy using intraoperative noncontrast cone-beam CT (CBCT) has been shown to improve endovascular procedures by reducing procedure length, radiation dose, and contrast media volume. However, patients with a contraindication to CT angiography (renal insufficiency, iodinated contrast allergy) may not benefit from this image fusion technique. The primary objective of this study was to evaluate the feasibility of magnetic resonance angiography (MRA) and fluoroscopy image fusion using noncontrast CBCT as a guidance tool during complex endovascular aortic procedures, especially in patients with renal insufficiency...
December 23, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28009148/the-impact-of-previous-prostate-surgery-on-the-outcomes-of-laparoscopic-radical-prostatectomy
#16
Paolo Verze, Francesco Greco, Salvatore Scuzzarella, Francesco Bottone, Alessandro Palmieri, Vito Cucchiara, Davide Arcaniolo, Vittorio Imperatore, Massimiliano Creta, Vincenzo Mirone
BACKGROUND: The aim of this study was to evaluate the outcomes in laparoscopic radical prostatectomy (LRP) in patients who had undergone prior prostate surgery (PPS). METHODS: In this study 946 consecutive LR P patients were included and a retrospective comparison between those patients who had received PPS (group A) and those who had not received PPS (group B) was carried out. The preoperative, intraoperative and postoperative data was collected in a prospectively-maintained database...
February 2017: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/28007269/totally-endoscopic-coronary-artery-bypass-for-anomalous-origin-of-right-coronary-artery
#17
Chia-Cheng Kuo, Chung-Hsi Hsing, Bor-Chih Cheng
Anomalous origin of the right coronary artery (ARCA) from the left Valsalva sinus is a rare but known cause of sudden cardiac death. Surgical revascularization techniques include coronary artery bypass grafting, unroofing, and reimplantation. We report 4 patients who underwent robot-assisted totally endoscopic coronary artery bypass (TECAB) for ARCA as an alternative surgical option. In 3 patients, a single aortocoronary saphenous vein bypass was performed, and in 1 patient the right internal mammary artery was used...
January 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28002229/evaluation-of-ultrasound-assisted-thoracic-epidural-placement-in-patients-undergoing-upper-abdominal-and-thoracic-surgery-a-randomized-double-blind-study
#18
David B Auyong, Lucy Hostetter, Stanley C Yuan, April E Slee, Neil A Hanson
BACKGROUND AND OBJECTIVES: The placement of thoracic epidurals can be technically challenging and requires a thorough understanding of neuraxial anatomy. Although ultrasound imaging of the thoracic spine has been described, no outcome studies on the use of this imaging have been performed. We evaluated whether preprocedural ultrasound of the thoracic spine would facilitate the process of epidural catheterization. METHODS: Subjects undergoing thoracic or upper abdominal surgery with planned thoracic epidural placement at T10 or higher were enrolled in this randomized double-blind study...
December 19, 2016: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27986510/simulation-based-training-for-cardiology-procedures-are-we-any-further-forward-in-evidencing-real-world-benefits
#19
REVIEW
Christopher M Harrison, Jivendra N Gosai
Simulation-based training as an educational tool for healthcare professionals continues to grow in sophistication, scope, and usage. There have been a number of studies demonstrating the utility of the technique, and it is gaining traction as part of the training curricula for the next generation of cardiologists. In this review, we focus on the recent literature for the efficacy of simulation for practical procedures specific to cardiology, focusing on transesophageal echocardiography, cardiac catheterization, coronary angioplasty, and electrophysiology...
September 1, 2016: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/27966052/the-efficacy-and-safety-of-2-%C3%AE-m-continuous-laser-in-the-treatment-of-high-risk-patients-with-benign-prostatic-hyperplasia
#20
Wei Tao, Chuanyang Sun, Boxin Xue, Dongrong Yang, Mingchao Wang, Chunjie Cai, Yuxi Shan
Two-micrometer laser resection of prostate-tangerine technique dissects whole prostatic lobes off the surgical capsular, similar to peeling a tangerine. The present study aimed to evaluate the safety and efficacy of 2-μm continuous laser vaporization in the treatment of high-risk patients with benign prostatic hyperplasia (BPH) during the 24-month follow-up. The study included 248 patients with moderate to severe lower urinary tract symptoms who underwent 2-μm continuous laser vaporization of the prostate...
December 13, 2016: Lasers in Medical Science
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