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  • Key words: Patent ductus arteriosus — Transesophageal echocardiography — Video-assisted thoracoscopic surgery  (1)
  • L1210 cells  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Two-compartment behavior during transport of folate compounds in L1210 cell plasma membrane vesicles (1982)
    Springer
    The journal of membrane biology 68 (1982), S. 19-28 
    Details
    ISSN: 1432-1424
    Keywords: folate transport ; plasma membrane vesicles ; L1210 cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Summary The transport of [3H] 1,l 5-formyltetrahydrofolate, [3H] folic acid, and [3H]methotrexate by L1210 cell plasma membrane vesicles exhibited multicompartmental behavior. Two separate vesicular compartments (parallel relationship) of approximately equal volume were revealed during measurements of influx and efflux. Flux in one compartment was rapid, saturable, highly temperature-sensitive, and inhibited by pCMBS. Flux in the other compartment exhibited all of the characteristics of passive diffusion. These results imply that our plasma membrane vesicle preparations consist of a mixture of two functional species. Transport of folate into one of these species occurs by passive diffusion alone, whereas transport into the other kind of vesicle occurs by both passive diffusion and carrier-facilitated transport.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01872250
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The use of multiplane transesophageal echocardiography to evaluate residual patent ductus arteriosus during video-assisted thoracoscopy in adults (1999)
    Springer
    Surgical endoscopy and other interventional techniques 13 (1999), S. 975-979 
    Details
    ISSN: 1432-2218
    Keywords: Key words: Patent ductus arteriosus — Transesophageal echocardiography — Video-assisted thoracoscopic surgery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Video-assisted thoracoscopic surgery (VATS) has emerged as an innovative and popular procedure for interruption of patent ductus arteriosus (PDA), while intraoperative transesophageal echocardiography (TEE) has proven to be an effective monitor in the evaluation of residual patency. Previous reports on the adequacy of surgical interruption of PDA under VATS and TEE are available for pediatric patients, but only limited information is available for adults with PDA. Materials and methods: Between August 1995 and October 1997, we monitored 35 adult patients undergoing PDA interruption via VATS with Hewlett-Packard color Doppler multiplane TEE throughout the procedure. The average PDA diameter was 10.2 ± 1.8 mm. All the PDA were completely ligated. Results: Thirty-two patients showed no ductal flow after double ligation. In the other three patients, residual flow was detected intraoperatively after double ligation, but it was quickly abolished by the third ligation. One patient showed faint ductal flow by transthoracic echocardiography at postoperative follow-up, but no reintervention was needed. Conclusions: Our study showed that, with the refinement of adult PDA interruption via VATS, intraoperative multiplane TEE provides higher resolution for direct evaluation of the entire course of PDA ligation without interrupting the surgical procedure and minimizes the incidence of complications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004649901150
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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