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1 ith stenting over a conventional angioplasty guidewire.
2 sured using fluoroscopy and an intravascular guidewire.
3 th the standard 3-mm J-tipped nonhydrophilic guidewire.
4 nce reserve were assessed using a diagnostic guidewire.
5 ing a dual pressure-Doppler sensing coronary guidewire.
6 interventions involve manual navigation of a guidewire.
7 mly assigned 1:1 to a paramagnetic seed or a guidewire.
8 er the control guidewire or the intervention guidewire.
9 ining aortic root access with the randomized guidewire.
10  independent distal filter using any 0.014'' guidewire.
11  at the inner lacerating surface of a kinked guidewire.
12 or radiofrequency energy delivered through a guidewire.
13 sign was based on a clinical coronary artery guidewire.
14 red with a pressure sensor/thermistor-tipped guidewire.
15 to inability to cross the occlusion with the guidewire.
16 iography and an intracoronary Doppler-tipped guidewire.
17 sion is feasible with the MR imaging-heating guidewire.
18 hy (QCA) and an intracoronary Doppler-tipped guidewire.
19 ar events, or vascular complications between guidewires.
20 uidewires and 0.36 mm (0.014 inch) for micro guidewires.
21 ing ratings were measured for the MR imaging guidewires.
22 as easier with standard and micro MR imaging guidewires.
23 f MR imaging guidewires and standard nitinol guidewires.
24 ith both the MR imaging and standard nitinol guidewires.
25 nce by using standard clinical catheters and guidewires.
26  fluoroscopy by using clinical catheters and guidewires.
27  study participants with commercial metallic guidewires.
28  obtained with endovascular pressure-sensing guidewires.
29  More failed localizations occurred with the guidewire (21 of 208 [10.1%] vs 4 of 215 [1.9%]; differe
30 of conventional endoscopic methods to pass a guidewire across a biliary stricture.
31 trium, foramen ovale, and left atrium with a guidewire and 1.8F to 2.6F tapered catheter, a self-expa
32                                      A stiff guidewire and a large sheath distorted the anatomy, whic
33  the abdominal aorta by electrifying a caval guidewire and advancing it into a pre-positioned aortic
34 surements and requires a pressure-monitoring guidewire and hyperemic stimulus.
35 0-mm balloon catheter was inserted over this guidewire and inflated only if the blood pressure was le
36 nctional stenosis severity over a work-horse guidewire and is used as a more feasible alternative to
37 astic bowl, from a large plastic bowl with a guidewire and its sheath, from a large plastic bowl with
38              Average SNR with the MR imaging guidewire and surface coil combination was significantly
39        No differences were found between the guidewire and the seed in re-excisions (6 of 211 [2.84%]
40      In two animals, IMDs dislodged from the guidewire and were retained in the tumor; no symptoms de
41  0.89 mm (0.035 inch) for standard and stiff guidewires and 0.36 mm (0.014 inch) for micro guidewires
42 the operator to advance, retract, and rotate guidewires and catheters.
43  intravascular ultrasound catheter we placed guidewires and interventional catheters via the umbilica
44 n diameter than contemporary sensor-equipped guidewires and may, thereby, influence functional measur
45  pigs by using active-tracking catheters and guidewires and MR tracking software created for neurovas
46 n compared with unmodified "passive" nitinol guidewires and shortened procedure time (26+/-11 versus
47 n was used to compare handling of MR imaging guidewires and standard nitinol guidewires.
48 ling approaches for diagnostic catheters and guidewires and to demonstrate their navigation in the va
49 eter, a sensor-tipped high-fidelity pressure guidewire, and a Doppler flow guidewire, respectively.
50  surface coil and an intrabiliary MR imaging guidewire, and contrast-to-noise ratios of CBD walls bef
51 strumentation, allow the use of conventional guidewires, and permit embolic protection in anatomy unf
52                                     Coronary guidewires are indispensable during percutaneous coronar
53 oaxially inserted 0.030-inch diameter active guidewires as endovascular devices.
54 nsity analysis using a pressure-low velocity guidewire at baseline and again 30 minutes after a 1-min
55 icipants underwent coronary angiography with guidewire-based assessment of coronary flow reserve, ind
56 y were measured using a dual sensor-equipped guidewire before and after introduction of Navvus.
57 uch as pancreatic duct stenting and dye-free guidewire cannulation.
58 rted into new sites, not into old sites over guidewires; catheter cultures were done by using semi-qu
59 data acquisition rate, small and inexpensive guidewires/catheters, and ability to be combined with ad
60 he histopathologic appearance of hydrophilic-guidewire coating material ex vivo by embedding the coat
61 or 15 minutes by using an MR imaging-heating guidewire connected to a custom RF generator.
62 t over a conventional 0.014-inch angioplasty guidewire (control group).
63                 After exchanging for a rigid guidewire, conventional TAVR was performed through trans
64  J-CTO score was 2.18+/-1.26, and successful guidewire crossing within 30 minutes and final angiograp
65 emonstrated piecewise linear improvements in guidewire crossing, stent placement, and procedure succe
66  discriminatory and calibration capacity for guidewire CTO crossing within 30 minutes but it does not
67 the standard 0.035" 3-mm J-tipped peripheral guidewire, designed to improve efficiency of transradial
68     The introduction of excessive lengths of guidewire during placement of central venous catheters f
69 velocity measured using a dual sensor-tipped guidewire during rest, supine bicycle exercise, and aden
70  velocity were assessed with sensor-equipped guidewires during baseline and maximal hyperemia, induce
71 ion times were obtained for standard nitinol guidewires during x-ray-based fluoroscopy.
72  flow velocity (measured by use of a Doppler guidewire) during primary or rescue PTCA in 41 acute myo
73                  Imparting a tip bend to the guidewire enabled intramyocardial navigation with multip
74 n=697), antibiotic lock solution (n=546), or guidewire exchange (n=353).
75                 Antibiotic lock solution and guidewire exchange had similar cure proportions that wer
76                  Among S. aureus infections, guidewire exchange led to a higher cure proportion than
77 ted bacteremia should be treated with either guidewire exchange or antibiotic lock solution.
78             Fever alone as an indication for guidewire exchange resu
79  OR, 2.88; 95% CI, 1.82 to 4.55; P<0.001 for guidewire exchange versus systemic antibiotics).
80                              Indications for guidewire exchange were analyzed, and the rate of cathet
81  a chest radiograph was performed after each guidewire exchange.
82 ion during catheter insertion and subsequent guidewire exchange.
83 s substituted for fever as an indication for guidewire exchange.
84 c antibiotics, antibiotic lock solution, and guidewire exchange.
85 d not have chest radiographs performed after guidewire exchange; 69 patients had subsequent radiograp
86  decrease the hospital costs associated with guidewire exchanges and new catheter insertions.
87 iographs are unwarranted after uncomplicated guidewire exchanges of central venous catheters in hemod
88 ne; b) to decrease the number of unnecessary guidewire exchanges of existing catheters by substitutin
89                   Criteria for uncomplicated guidewire exchanges were established and followed.
90 tioned catheters or complications related to guidewire exchanges.
91      Fever was the indication for 42% of all guidewire exchanges.
92  can be advanced over a traditional coronary guidewire, facilitates FFR assessment but may underestim
93 ts were randomized to microcatheter-first or guidewire-first measurement.
94 ed using a pressure- and temperature-sensing guidewire following percutaneous coronary intervention.
95 etic seed performed comparably with SPIO and guidewire for breast cancer conserving surgery and resul
96 lts showed that the use of glass-fiber-based guidewires for evaluation of MR imaging-guided endovascu
97  to deliver an exchange-length intracoronary guidewire from the proximal left anterior descending cor
98                                              Guidewires have been the standard for breast lesion loca
99                               Nowadays, most guidewires have hydrophilic coatings to improve their tr
100 nd flow reserve were assessed with a Doppler guidewire in 25 coronary arteries, including 13 severely
101  measured using a Doppler-tipped angioplasty guidewire in 55 patients before and after angioplasty, a
102   Pressure signals were obtained by pressure guidewire in 56 lesions (49 patients) in the nonhyperemi
103 mon carotid artery injury was induced with a guidewire in apolipoprotein E(-/-) mice.
104                                     "Active" guidewires, incorporating MRI antennas, improved device
105                 METHODS AND Using a model of guidewire-induced arterial injury, we demonstrate decrea
106 enovirus-mediated overexpression of NoxA1 in guidewire-injured mouse carotid arteries significantly i
107                         To identify a "safe" guidewire insertion length, the authors performed direct
108 ulations, and benchtop demonstrations of how guidewires, insulation, adjunctive catheters, and dielec
109 8 cm should be considered the upper limit of guidewire introduced during central catheter placement i
110              Traversing the stricture with a guidewire is a prerequisite for the endoscopic treatment
111                                          The guidewire is safe and demonstrated key incremental benef
112 sue traversal, all but the tip of traversing guidewires is insulated to concentrate current.
113 d mean gradient) were measured by a pressure guidewire; IVUS and angiographic parameters (minimum lum
114  0.018-in imaging core positioned within the guidewire lumen of the balloon.
115        Algorithms automatically detected the guidewire, lumen boundary, and stent struts; determined
116 ected predominantly during sheath placement, guidewire manipulation, and distal-balloon deflation.
117         A pressure-temperature sensor-tipped guidewire measured proximal and distal coronary pressure
118 herapy of magnetic resonance imaging heating guidewire-mediated RF hyperthermia (42 degrees C) plus l
119   The use of intrabiliary MR imaging heating guidewire-mediated RF hyperthermia can enhance the chemo
120 f hydrophilic-coating material from coronary guidewires occur more often than the sparse literature o
121 icantly higher than that with the MR imaging guidewire only or with surface coils only (P < .05), and
122 ere randomized 1:1 to use either the control guidewire or the intervention guidewire.
123 n success rates, including the use of double-guidewire, pancreatic duct accessory-assisted, precut, a
124 biliary strictures, performance of selective guidewire passage across biliary strictures, and diagnos
125                                  Using SOVC, guidewire passage was successfully performed in 73.9% of
126 ycardia (n = 1), and distal pulmonary artery guidewire perforation (n = 1).
127  arteries in six patients were imaged with a guidewire placed in the iliac vein (n = 5) or left renal
128 edure time was from initial skin puncture to guidewire placement.
129                         The stiff MR imaging guidewire provided the best support for cannulation of t
130 elity pressure guidewire, and a Doppler flow guidewire, respectively.
131 w to the ischemic limb measured with Doppler guidewire (resting flow=22+/-5 versus 14+/-4; P<.01; hyp
132         A narrow 1.5 mm J-tipped hydrophilic guidewire resulted in greater technical success and redu
133  or following failure to pass a conventional guidewire ("secondary attempt"; n = 13).
134 with a pair of endovascular pressure-sensing guidewires served as a reference standard.
135          We employed preprocessing including guidewire shadow detection, lumen segmentation, pixel-sh
136 hepatic and left portal vein with subsequent guidewire snaring to perform portosystemic shunting via
137                                          The guidewires supplied in catheter kits should have lengths
138  hearts with MR monitoring and an MR imaging guidewire, surface coils, or both.
139 n of the COAST (COaxially Aligned STeerable) guidewire system capable of exhibiting higher dexterity.
140  0.035" wire (intervention, Radifocus Baby J guidewire; TERUMO Co, Tokyo, Japan) versus a standard fi
141        Purpose To evaluate glass-fiber-based guidewires that are safe for magnetic resonance (MR) ima
142 I intervention used custom CTO catheters and guidewires that incorporated MRI receiver antennae to en
143 ectively denuded inner curvature of a kinked guidewire (the Flying-V) or a single-loop snare is energ
144 evelopment of new interventional devices and guidewires, the rate of acute reocclusion and restenosis
145 theterization laboratory using sensor-tipped guidewires; they include the measurement of poststenotic
146 cused delivery of radiofrequency energy to a guidewire tip.
147                   This variation enables the guidewire to achieve curvature in different planes while
148   The distal anastomosis was created using a guidewire to exit the proximal coronary artery and enter
149 ng a pressure and Doppler flow sensor tipped guidewire to obtain simultaneous pressure and flow veloc
150       The time required for placement of the guidewire, total procedure time, fluoroscopy time, and a
151                                          For guidewire tracking, we used 2D steady-state free precess
152                                          The guidewire trajectory determined the geometry of SESAME m
153                 Endovascular recanalization (guidewire traversal) of peripheral artery chronic total
154                             A coronary sinus guidewire traverses a short segment of the basal septal
155 d and iliac lesions, phase-contrast VIPR and guidewire TSPG measurements were highly correlated (r =
156 recording with a 2F octapolar catheter or by guidewire unipolar signals.
157 l success and safety of different peripheral guidewires used in transradial cardiac procedures.
158 s was confirmed by placement of a radiopaque guidewire visible under fluoroscopy (6 dogs, 13 pigs).
159 on carotid artery, and a 0.035-cm (0.014-in) guidewire was advanced to the iliac artery, guided by x-
160 to test the hypothesis that the straight-tip guidewire was associated with bleeding complications.
161 ition, exchange of the dialysis catheter via guidewire was performed, without any reported complicati
162        In seven anesthetized dogs, a Doppler guidewire was placed in the circumflex coronary artery t
163      Under local anesthesia, a transbrachial guidewire was placed under fluoroscopic control in the s
164 of radiofrequency energy delivered through a guidewire was the most effective technique.
165  angiographically ambiguous LMCS, a pressure guidewire was used to calculate FFR, and IVUS parameters
166        A pair of 0.014-inch pressure-sensing guidewires was placed in tandem; sensors 1 cm distal and
167                       Visualization with the guidewires was rated on a four-point scale, handling was
168                           Results MR imaging guidewires were characterized by good to excellent visib
169 al animal care and use committee, MR imaging guidewires were evaluated for standard endovascular proc
170        Materials and Methods MR imaging-safe guidewires were made from micropultruded glass and/or ar
171                Standard and micro MR imaging guidewires were most suitable for the iliac crossover ma
172               Coronary guiding catheters and guidewires were used to mechanically enter the basal int
173 g highly tortuous vessels would benefit from guidewires which exhibit higher dexterity.
174 calized MR-induced heating around a metallic guidewire, which they subsequently demonstrate can be su
175 red via the intravascular MR imaging-heating guidewire, while the contralateral artery was not heated
176 ring the magnetic vector deflects a coronary guidewire with a magnetic tip.
177 nnel or exit site infection (exchange over a guidewire with creation of a new tunnel [Nutunl group],
178  also present the simulated stability of the guidewire with different outer tube geometries and exper
179 ppearing tunnel and exit site (exchange over guidewire within 48 h of antibiotic initiation [Xchng gr
180  selected patients, catheter exchange over a guidewire within 48 h of antibiotic initiation followed

 
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