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  • Springer  (20)
  • American Institute of Physics (AIP)  (7)
  • Institute of Physics (IOP)  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Dissociation of benzene in a pulsed glow discharge (1999)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 86 (1999), S. 3550-3557 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Destruction of benzene in a benzene/Ar mixture subjected to a pulsed glow discharge was studied. The destruction efficiency was much improved compared to a dc glow discharge, and the destruction efficiency increased with decreasing pulse width at a constant pulse frequency. Diagnostics experiments were conducted to elucidate the destruction mechanisms involved. The results show that excitation transfer from the metastable states of Ar to benzene in the afterglow of the discharge was primarily responsible for the destruction of benzene. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.371257
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  • 2
    Electronic Resource
    Electronic Resource
    Anatomic Dissociation between the Intrahepatic Bile Duct and Portal Vein: Risk Factors for Left Hepatectomy (1997)
    Springer
    World journal of surgery 21 (1997), S. 297-300 
    Details
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The anatomic variations of the intrahepatic portal vein and bile duct were analyzed to evaluate the potential risk of left hepatectomy. A total of 210 cholangiograms and hepatic arterioportograms were performed in which the ramifications of the intrahepatic portal vein and bile duct were investigated. The orientation of the intrahepatic duct and portal vein were classified into five types. In 175 patients (83.33%), the intrahepatic portal vein and bile duct had the same anatomic classification. In 24 patients (11.43%), the right anterior or posterior intrahepatic duct drained into the left hepatic duct at the umbilical portion (type IV); there were only 15 patients (7.14%) whose portal veins fell into this category. All patients with type IV portal veins had type IV hepatic ducts, but there were 9/49 patients (18.36%) whose hepatic duct distribution belonged to type IV but their portal veins belonged to type II (6 cases) or III (3 cases). Without complete knowledge of the intrahepatic portal and biliary anatomy, insufficient portal perfusion and bile duct complications may result from the left hepatectomy operation. Preoperative portal vein evaluation or left portal vein clamping can provide significant information, but there are still 18.36% of patients where type IV biliary ducts were not detected in those with type II and III portal veins. Cholangiography is of paramount importance in these two groups of patients, as it can prevent inadvertent injury to the right intrahepatic ducts, which drain into the left intrahepatic duct. On the other hand, intraoperative ultrasonography is recommended to identify or exclude an aberrant portal vein if type VI biliary anatomy is detected during intraoperative cholangiography.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002689900232
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  • 3
    Electronic Resource
    Electronic Resource
    Treatment of Complicated Hepatolithiasis with Intrahepatic Biliary Stricture by Ductal Dilatation and Stenting: Long-term Results (2000)
    Springer
    World journal of surgery 24 (2000), S. 712-716 
    Details
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. A group of 190 cases of hepatolithiasis with postoperative residual stones located proximal to the stricture sites were managed with the aim of complete clearance of stones and relief of bile stasis to decrease the potential risk of recurrence. All procedures were performed through a T-tube track with gradual dilatation and stent placement through the stricture sites, creating a channel that allows cholangioscopy and electrohydraulic lithotripsy. Complete clearance of intrahepatic duct (IHD) stones was achieved in 88.4% of cases. Multiple sharply angulated IHD strictures in right-sided hepatolithiasis constituted a major cause of failure. Recurrent stone formation and repeated cholangitis, subsequent drainage, and liver resection are associated with high mortality rates particularly if there is late development of a cholangiocarcinoma. We concluded that postoperative ductal dilatation and stenting through the T-tube track combined with endoscopic electrohydraulic lithotripsy is effective and safe for managing complicated hepatolithiasis. Persistent irreversible aneurysmal dilatation of IHD and atrophic change of the affected hepatic lobe at follow-up were ominous signs of recurrence and cholangiocarcinoma development. Early drainage with stone extraction combined with surgical intervention can prevent subsequent morbidity and mortality.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002689910114
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  • 4
    Electronic Resource
    Electronic Resource
    Efficacy and Safety of Preoperative Lobar or Segmental Ablation via Transarterial Administration of Ethiodol and Ethanol Mixture for Treatment of Hepatocellular Carcinoma: Clinical Study (2000)
    Springer
    World journal of surgery 24 (2000), S. 844-850 
    Details
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Transarterial embolization (TAE) using various thrombotic substances for unresectable hepatocellular carcinoma (HCC) performed on many patients has resulted in a better survival rate. We evaluated the efficacy and clinical safety of using an Ethiodol–ethanol mixture as the embolizer for treatment of HCC and the possibility of a surgical approach for inoperable tumors after TAE. Twenty patients with HCC who underwent TAE and tumor resection were included in the study. Initially, eight had increased retention rate of indocyanine green dye via intravenous injection (0.5 mg/kg) at 15 minutes (ICGR15), and six had an insufficient residual volume that precluded them from undergoing tumor resection. TAE was performed by slowly infusing the mixture of Ethiodol and ethanol into the artery supplying the tumor until dual hepatic artery and portal vein embolization was achieved. Serum levels of alanine aminotransferase increased after embolization, but all biochemistry studies reverted to normal within 2 weeks. A decreased tumor size (n= 15), improved ICG (n= 8), and increased volume of the nonembolized lobe (n= 10) were noted. The operations performed were right lobectomy (n= 11), extended right lobectomy (n= 3), left lobectomy (n= 2), extended left lobectomy (n= 2), and wedge resection (n= 2), which included patients who did not want to undergo major hepatectomy. Complete tumor necrosis was found in seven cases. All patients survived with no associated complications. The 1-year survival rate was 95%. Transarterial Ethiodol and ethanol administration creating dual hepatic artery and portal vein embolization was a safe and efficacious method for treating HCC. It effectively decreases tumor size, causes compensatory hepatic hypertrophy, and improves the ICGR15, which allows a wider range of patients to undergo liver surgery and achieve better survival.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002680010135
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  • 5
    Electronic Resource
    Electronic Resource
    Stabilization and enhancement of glutamate decarboxylase activity in extracts of the slime mold,Physarum polycephalum (1971)
    Springer
    Cellular and molecular life sciences 27 (1971), S. 891-892 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Aktivität und Stabilität der Glutamat-Decarboxylase vonPhysarum polycephalum in Gegenwart von Zusätzen, welche die Wechselwirkung zwischen Proteinen und Phenolen hemmen oder aufheben, wird beschrieben. Cystein und Ascorbinsäure stabilisieren das Enzym, während hydratisiertes Aluminiumoxyd-G und Koffein die spezifische Aktivität erhöhen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02135726
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  • 6
    Electronic Resource
    Electronic Resource
    Zur Pathophysiologie des Plexus chorioideus (1931)
    Springer
    Journal of neurology 117-119 (1931), S. 570-584 
    Details
    ISSN: 1432-1459
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung 1. Werden Plexuszellen länger als wenige Minuten nach dem Tode in situ gelassen, so neigen sie zu einem vakuolären Zerfall mit Verlust des Bürstensaumes. 2. Werden Plexuszellen operativ in einer kombinierten Bulbokapnin-Äthernarkose gewonnen, so zeigen sie eine starke Schwellung, die schließlich auch auf den Kern übergreift, und eine Ansammlung von Fett. 3. Unsere Versuche bestätigen, daß die Weedsche Lösung in die Plexuszellen eindringt. 4. Ebenso bestätigen sie Askanazys Beobachtung, daß Eisen in die Plexuszellen eindringt, wenn Erytrocyten in den Liquor gelangen. Ob es sich bei diesen beiden Vorgängen um eine passive Infiltration oder um eine aktive Resorption handelt, wagen wir noch nicht zu entscheiden. 5. Es hat sich kein Anhaltspunkt dafür ergeben, daß Fette oder Lipoide vom Liquorraum aus in den Plexus dringen. 6. Es fand sich nach Einspritzung gewaschener Erytrocyten ebenso nach Einspritzung von Luft oder Trypanblau in den Liquor eine Reaktion der Plexusepithelien, die wahrscheinlich eine nicht spezifische Antwort dieser Zellen auf Entzündungsreize darstellt. Sie besteht in einer trüben Schwellung mit Vermehrung der Mitochondrien und des Golgi-Apparates und des intrazellulären Fettes. Bei den Versuchen mit Blutinjektion wurden die Veränderungen bis zu 12 Tagen nach der Injektion studiert. In dieser Zeit vermindert sich die Kernfärbbarkeit, während die übrige Zelle schon zur Norm zurückkehrt. Der operative Teil der Versuche wurde im Physiologischen Institut durchgeführt. Für die Erlaubnis hierzu sind wir Herrn Prof. R. Lim zu herzlichem Dank verpflichtet.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01673871
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  • 7
    Electronic Resource
    Electronic Resource
    Anterior urethral valve (1995)
    Springer
    Pediatric surgery international 10 (1995), S. 501-503 
    Details
    ISSN: 1437-9813
    Keywords: Valve ; Anterior urethral valve ; Urethral obstruction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The case of an 11-year-old boy with an anterior urethral valve is reported. A weak urinary stream and urinary dribbling were his main symptoms. Clinical evaluation consisted of renal ultrasonography, an intravenous urogram, a voiding cystourethrogram, and panendoscopy. Transurethral excision of the valve achieved a satisfactory result.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00176399
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  • 8
    Electronic Resource
    Electronic Resource
    Video-Assisted Thoracoscopic Management of an Anterior Mediastinal Teratoma: Report of a Case (2000)
    Springer
    Surgery today 30 (2000), S. 1019-1021 
    Details
    ISSN: 1436-2813
    Keywords: Key words Video-assisted thoracoscopic surgery ; Thoracoscopy ; Teratoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Video-assisted thoracoscopic surgery (VATS) is a newly developed technique, the advantages of which mainly benefit the patient. Its feasibility and indications have been described widely, but to the best of our knowledge no report of the successful VATS management of a large mediastinal teratoma has ever been documented. When such a tumor is encountered, conversion to thoracotomy would usually be carried out. We report our experience of removing a large teratoma, 8 × 7 × 11 cm in size, from the anterior mediastinum, employing VATS and utilizing only four small intercostal incisions without spreading the ribs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005950070025
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  • 9
    Electronic Resource
    Electronic Resource
    Hepatic actinomycosis with portal vein occlusion (1989)
    Springer
    Abdominal imaging 14 (1989), S. 268-270 
    Details
    ISSN: 1432-0509
    Keywords: Hepatic actinomycosis ; Portal vein occlusion ; Duodenobiliary reflux
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Hepatic actinomycosis with abdominal wall invasion was found by computed tomography (CT) in a 44-year-old woman. Occlusion of the main and right portal veins by the actinomycoma causing cavernous transformation was proven by angiography. Duodenobiliary reflux and communication between the biliary tree and the abscess were demonstrated by upper gastrointestinal radiography, percutaneous transhepatic cholangiogram, and CT. The imaging studies reflected the pathologic process of this disease. The unique feature of this case is that infection ascended through the duodenobiliary reflux; this should be considered one of the routes for the transmission of hepatic actinomycosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01889213
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  • 10
    Electronic Resource
    Electronic Resource
    Dissection of Retroesophageal Aortic Diverticulum and Descending Aorta in a Patient with Right Aortic Arch: Magnetic Resonance Demonstration (1996)
    Springer
    CardioVascular & interventional radiology 19 (1996), S. 438 -441 
    Details
    ISSN: 1432-086X
    Keywords: Key words: Aorta/aortic arch anomaly—Aortic diverticulum—Dissection—Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract An acute aortic dissection involved the retroesophageal aortic diverticulum (RAD) and descending thoracic aorta in a patient with right aortic arch. The RAD, which was separated into false and true lumens by an intimal flap—the classic diagnostic sign of aortic dissection—was overlooked on transesophageal echocardiography and computed tomography but was clearly depicted on magnetic resonance imaging (MRI). It was found that MRI can delineate the anatomy of a congenital arch anomaly complicated by great vessels disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002709900095
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