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  • Key words: Patent ductus arteriosus — Transesophageal echocardiography — Video-assisted thoracoscopic surgery  (1)
  • Mucosa  (1)
  • dye wastewater  (1)
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Keywords
  • 1
    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
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Hypochlorite generation on Ru–Pt binary oxide for treatment of dye wastewater (2000)
    Springer
    Journal of applied electrochemistry 30 (2000), S. 1043-1051 
    Details
    ISSN: 1572-8838
    Keywords: dye wastewater ; hypochlorite production ; Ruthenium–Platinum binary oxides
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract Ruthenium–platinum binary oxides [(Ru + Pt)O x ] were coated on titanium substrates by thermal decomposition. The surface morphologies and elemental analyses of these electrodes were examined by means of scanning electron microscopy. The electrochemical behaviour was characterized by cyclic voltammetry (CV) and linear scanning voltammetry (LSV). The effects of electrolyte conditions on the current efficiency (CE) of hypochlorite production on binary (Ru + Pt)O x electrodes and the treatment of a high salt-containing dye wastewater using this hypochlorite were also investigated. The highest CE for hypochlorite production occurred on the RP1 (20 mol% Pt in precursor) electrode. The major factors influencing CE for hypochlorite production were the electrolyte flow rate, current density and chloride ion (C1−) concentration. The RP1 electrode exhibited the best removal of organics and chromophoric groups in the dye wastewater. On this electrode, better removal of organics and chromophoric groups was obtained at 300 mA cm−2. The colour of black–red dye wastewater became light yellow when a charge of 13.2 A h was passed while the COD of the wastewater decreased from 10 500 to 1250 mg L−1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004038503410
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    The effect of vesical outlet obstruction on the protein secondary structure of the mucosa and serosa in rabbit bladder wall (1994)
    Springer
    Urological research 22 (1994), S. 205-208 
    Details
    ISSN: 1434-0879
    Keywords: Bladder outlet obstruction ; Mucosa ; Serosa ; Rabbit ; FT-IR ; ATR ; Protein secondary structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The biochemical composition of physiologically moist mucosa and serosa of rabbit bladder before and after bladder outlet obstruction was determined by means of FT-IR spectroscopy with the ATR method and second-derivative analysis. A predominantly β-sheet structure was found in the amide I band for mucosa and serosa before and after obstruction, but the random coil structure increased in both obstructed bladder samples. However, the major β-sheet structure associated with some α-helical structure in the amide II band of mucosa and serosa for non-obstructed bladder changed into a predominanly α-helical structure after bladder obstruction. The obstructed bladder serosa was more pronounced. The amount of glycoproteins doubled in the obstructed bladder serosa, but did not change in the bladder mucosa.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00541893
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    Paper (German National Licenses)
    Fulltext
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