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71.
Wireless Ultrasound Guidance for Femoral Venous Cannulation in Electrophysiology: Impact on Safety,Efficacy, and Procedural Delay
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DANIEL RODRÍGUEZ MUÑOZ M.D. EDUARDO FRANCO DÍEZ M.D. JAVIER MORENO M.D. Ph.D. GIUSEPPE LUMIA M.D. ALEJANDRA CARBONELL SAN ROMÁN M.D. TERESA SEGURA DE LA CAL M.D. ROBERTO MATÍA FRANCÉS M.D. Ph.D. ANTONIO HERNÁNDEZ MADRID M.D. Ph.D. JOSÉ LUIS ZAMORANO GÓMEZ M.D. Ph.D. 《Pacing and clinical electrophysiology : PACE》2015,38(9):1058-1065
72.
Human platelet membrane glycoproteins IIb and IIIa (GPIIb and IIIa) were incorporated into phospholipid vesicles by the reverse-phase technique to assess the ability of GPIIb and IIIa to function as a Ca2+ channel. Movement of Ca2+ across the lipid bilayer was quantitated by injection of proteoliposomes with encapsulated Fura-2 into Ca2+ buffers and measurement of Fura-2 fluorescence as an indicator of Ca2+ influx. Reciprocally, to assess the function of proteins in an inside-out orientation, Ca2+-loaded vesicles were injected into Ca2+-free buffer and Ca2+ efflux monitored by a calcium electrode. Incorporation of the IIb-IIIa complex produced significant facilitation of Ca2+ movement across the lipid bilayer. No net transmembrane Ca2+ movement was seen with dissociated IIb and IIIa. Movement of Ca2+ was proportional to the transmembrane Ca2+ gradient. Ca2+ movement into the vesicles was inversely proportional to extravesicular NaCl from 25 to 150 mmol/L, analogous to several studies in the intact platelet. Adenosine triphosphate had no effect on Ca2+ movement into or out of the vesicles. Specific inhibition of a Ca2+ shift into the vesicles was seen with M148, a monoclonal antibody to IIb/IIIa, while no inhibition was observed with a panel of other anti-IIb/IIIa monoclonal antibodies. This suggests that a specific site on the complex or orientation of the complex is essential for calcium channel function. These data demonstrate that the GPIIb/IIIa complex can serve as a passive Ca2+ channel across a phospholipid bilayer and has the potential to play a role in Ca2+ flux across the platelet plasma membrane. 相似文献
73.
Raffaele Ferri Filomena I. I. Cosentino Fabio Pizza Debora Aricò Giuseppe Plazzi 《Sleep & breathing》2014,18(2):319-323
Purpose
In Parkinson’s disease (PD) patients, REM sleep behavior disorder (RBD) might precede PD or develop with or after the onset of PD. No previous study has explored differences between these two groups. The aim of this study was therefore to compare clinical features and REM sleep chin electromyographic patterns between patients in whom RBD heralded PD and those in whom RBD occurrence coincided with or followed the clinical manifestations of PD.Method
Twenty-seven consecutive PD patients (mean age 67.9 years) were enrolled. Detailed clinical, laboratory, and polysomnographic studies were obtained in all participants.Results
Sixteen of the 27 patients were affected by RBD. These had a significantly higher stage of PD and took significantly higher doses of dopaminergic therapy; their disease duration tended to be longer, and their cognitive status tended to be lower. PD patients in whom RBD preceded PD (n?=?6) did not differ from PD patients without RBD in disease parameters, while PD patients in whom RBD developed with or after PD (n?=?10) showed a significantly higher disease stage, took significantly higher dopaminergic therapy, and had a longer disease duration.Conclusion
Our findings are compatible with the hypothesis that patients in whom RBD precedes, or does not precede, PD might constitute two possibly distinct clinical and physiopathological groups, based on different progressive neuropathological sequences of events. 相似文献74.
目的 对比分析单纯后路内固定+一期经腰椎间孔病椎间病灶清除(TLIF)与经典的前后联合手术在布氏杆菌性脊柱炎患者中的临床疗效及安全性。 方法 对我院2015年1月至2017年12月收治的93例布病性脊柱炎患者的临床资料进行分析。按手术方式分为观察组(45例)和对照组(48例)。对两组患者的基础数据、临床指标、术前术后各项指标水平以及术后并发症、植骨治愈情况。 结果 观察组与对照组基础数据比较,差异无统计学意义(P>0.05)。观察组患者的手术时间、住院天数、术中出血量及术后下床时间均明显低于对照组(P<0.01)。两组患者术后3个月的ODI、VAS、CRP、ESR及Cobb角均明显低于术前(P<0.05);术后3个月,观察组患者的ODI、VAS、CRP、ESR及Cobb角均明显低于对照组(P<0.05)。观察组术后并发症发生率(4.4%)明显低于对照组(25.0%)(Χ2=7.674,P<0.01)。 结论 TLIF治疗布氏杆菌性脊柱炎患者的临床疗效突出,安全性较好,更有利于患者术后身体的恢复。 相似文献
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77.
MA Suckow SL Voytik-Harbin LA Terril SF Badylak 《Journal of investigative surgery》2013,26(5):277-287
Small instestinal submucosa (SIS) is an easily produced material that has been used experimentally for tissue engineering. To evaluate the ability of SIS to facilitate bone growth within a long-bone defect, a segment of the radius was surgically removed in adult, female Sprague-Dawley rats. The defect was either left unfilled or implanted with SIS, demineralized cortical bone (DMCB), or ovalbumin. The defect was evaluated radiographically and histologically after 3, 6, 12, and 24 weeks. Tissue remodeling within the defect was evident by week 3 in SIS- and DMCB-treated rats. Filling was characterized initially by infiltration of mononuclear cells and extracellular material in SIS-implanted rats and multifocal remodeling bone particles and cartilage formation in DMCB implanted rats. Cartilage was observed as early as 3 weeks and bone as early as 6 weeks in SIS-implanted rats. Filling of the defect arose from multiple foci in DMCB-implanted rats, but was contiguous with and parallel to the ulnar shaft in SIS-implanted rats, suggesting that defect repair by SIS may be conductive rather than inductive. Rats in which the defect was left unfilled demonstrated slow but progressive filling of the defect, characterized by mononuclear cell infiltrates and fibrous extracellular material. In summary, SIS facilitated rapid filling of a longbone defect. These results suggest that SIS may be useful as a bone repair material. 相似文献
78.
Simone M. De LA Rie Eric F. Van furth Annemieke De Koning Greta Noordenbos Marianne C. H. Donker 《Eating disorders》2013,21(4):345-351
Having a relative with an eating disorder (ED) affects the life of family caregivers and may thus affect their quality of life. To study this aspect, 40 caregivers of ED patients filled out a health-related quality of life questionnaire (Short Form-36) and a questionnaire on the impact of the ED on various areas of life domains, and on the relationship with the ED patient and the need for professional support. Quality of life of caregivers was worse than in a normal reference group. Specifically, mental health, vitality and emotional role functioning were reported to be most impaired. ED appeared to affect families’ lives substantially. In response to the ED, caregivers felt anxious, powerless, sad, or desperate. The relationship of the caregiver with the ED patient had also changed. Caregivers were more worried, lost their trust, and reported more conflicts. Seventy five percent welcomed professional support. Caregivers need practical advice, information on ED, and emotional support. Quality of life of caregivers should be addressed in the treatment of ED. 相似文献
79.
Paul Cumming Guoming Xiong Christian LA Fougère Axel Rominger Peter Bartenstein Hans‐Georg Buchholz Markus Piel Frank Rösch Gerhard Gründer Ingo Vernaleken 《Synapse (New York, N.Y.)》2013,67(4):199-203
Positron emission tomography (PET) with the high affinity dopamine D2/3 receptor ligand [18F]‐fallypride affords estimates of the binding potential (BPND) in extra‐striatal regions of low receptor abundance, but the sufficient recording time for accurate measurements in striatum has been called into question. We have earlier argued that transient equilibrium measurements are obtained in striatum with [18F]‐fallypride PET recordings of 3 h duration, which may be the practical limit for clinical investigations without interrupted scanning. However, the high extraction fraction of [18F]‐fallypride predicts flow‐dependence of tracer delivery to brain, which may be a source of variance of the apparent BPND in regions of high binding. To test this prediction, we conducted a retrospective analysis of [18F]‐fallypride PET data from a group of 50 healthy volunteers (age 18–58 years [mean ± SD: 32.6 ± 10.6), who had participated in clinical studies without arterial input measurements. We used the initial 120‐s integral (AUC) of the venous confluence (VC) as a surrogate marker for cerebral blood flow (CBF) and tested for correlations between regional estimates of BPND calculated by the simplified reference tissue model (SRTM) and the individual VC‐AUC. The magnitude of BPND in a high binding region (putamen), but not in a low binding region (thalamus) correlated positively with VC‐AUC, suggesting that approximately 9% of the variance in the [18F]‐fallypride BPND in putamen can be attributed to individual differences in this surrogate marker for CBF, a contribution equal in magnitude to the effects of age on BPND in putamen of the present healthy control group. Synapse, 2013. © 2012 Wiley Periodicals, Inc. 相似文献
80.
Spina Emanuele Doneddu Pietro Emiliano Liberatore Giuseppe Cocito Dario Fazio Raffaella Briani Chiara Filosto Massimiliano Benedetti Luana Antonini Giovanni Cosentino Giuseppe Jann Stefano Mazzeo Anna Cortese Andrea Marfia Girolama Alessandra Clerici Angelo Maurizio Siciliano Gabriele Carpo Marinella Luigetti Marco Lauria Giuseppe Rosso Tiziana Cavaletti Guido Peci Erdita Tronci Stefano Ruiz Marta Piccinelli Stefano Cotti Schenone Angelo Leonardi Luca Gentile Luca Piccolo Laura Mataluni Giorgia Santoro Lucio Nobile-Orazio Eduardo Manganelli Fiore 《Journal of neurology》2022,269(2):907-912
Journal of Neurology - Compression of the median nerve at the carpal tunnel can give demyelinating features and result in distal motor latency (DML) prolongation fulfilling the EFNS/PNS... 相似文献