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  • 1
    Electronic Resource
    Electronic Resource
    Diagnostik und operative Therapie beim vesiko-renalen Reflux (1985)
    Springer
    Journal of molecular medicine 63 (1985), S. 912-919 
    Details
    ISSN: 1432-1440
    Keywords: Vesico-renal reflux ; Classification of reflux ; Diagnostic procedures ; Surgical techniques ; Vesiko-renaler Reflux ; Refluxklassifizierung ; Diagnostische Verfahren ; Operationstechniken
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Für die Abklärung und Klassifizierung des vesiko-renalen Refluxes stehen eine Reihe diagnostischer Maßnahmen zur Verfügung, deren Aussagekraft nicht unumstritten ist. Aus diesen Gründen müssen therapeutische Entscheidungen bei der Refluxerkrankung häufig vom klinischen Verlauf abhängig gemacht werden. Durch die operative Refluxkorrektur kann mit hoher Zuverlässigkeit und geringer Komplikationsrate der vesiko-renale Reflux unabhängig vom präoperativ nachgewiesenen Refluxgrad beseitigt werden.
    Notes: Summary Detection and accurate grading of vesico-renal reflux is rendered difficult by the limited realiability of the different diagnostic procedures. Therapeutic decisions are therefore to a large extent influenced by the clinical situation. Properly performed antireflux surgery combines a high cure rate with a low complication rate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01738145
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  • 2
    Electronic Resource
    Electronic Resource
    Second generation shock wave lithotripsy: experience with the lithostar (1987)
    Springer
    World journal of urology 5 (1987), S. 225-228 
    Details
    ISSN: 1433-8726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Extracorporeal shock wave lithotripsy (ESWL) has been in clinical use for more than 5 years. Several devices commonly designated “second generation” lithotriptors are now under experimental or clinical trials. A multifunctional lithotriptor unit developed in cooperation with the Siemens Company in Germany is described, which utilizes an electromagnetic mode of shock wave generation along with local coupling to the patient. The results of 795 treatments are presented. The prototype has been in operation since March 1986. Adjuvant endourological measures, all of which have been performed on the same table, include insertion of double-J stents and ureteral catheters prior to ESWL in 27% of all treatments. Shock wave lithotripsy alone has been performed successfully under local anesthesia or a combination of parenteral analgesia and sedation. Results of treatment have been uniformly satisfying.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00327225
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  • 3
    Electronic Resource
    Electronic Resource
    The recurrence rate of stones following ESWL (1993)
    Springer
    World journal of urology 11 (1993), S. 26-30 
    Details
    ISSN: 1433-8726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary With extracorporeal shockwave lithotripsy (ESWL) stone fragmentation and the potential creation of residual stones has become an integral part of the treatment strategy. Therefore true recurrence, regrowth and pseudo-recurrence determine the rate of new stone formation. In unselected series the overall recurrence rate after ESWL varies between 6% after 1 year and 20% after 4 years. The comparison between the recurrence rate after ESWL and the natural recurrence rate reveals that the results of ESWL are better than expected. Lithotripsy has no special effect on true stone recurrence, and even pseudo-recurrence is of minor clinical significance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00182167
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  • 4
    Electronic Resource
    Electronic Resource
    Experimental basis of shockwave-induced renal trauma in the model of the canine kidney (1993)
    Springer
    World journal of urology 11 (1993), S. 43-53 
    Details
    ISSN: 1433-8726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Using the new electromagnetic shockwave source of the Modulith SL 20 shockwave-induced renal trauma was evaluated by acute and chronic studies in the the canine kidney model. In a further study the electromagnetic shockwave source of the Lithostar Plus Overhead module was tested. Overall, 92 kidneys were exposed to shock waves coupled either by water bath (Modulith lab type) or by water cushion (Modulith prototype, Lithostar Overhead) under ultrasound localization. The generator voltage ranged between 11 and 21 kV, the number of impulses between 25 and 2500. After application of 1500/2500 shocks the extent of the renal lesion depended strictly on the applied generator voltage and was classified into 4 grades: Grade 0, no macroscopic trauma detectable (at 11–12 kV); grade 1, petechial medullary bleeding (at 13 kV); grade 2, cortical hematoma (at 14–16 kV); and grade 3, perirenal hematoma (17–20 kV). Whereas at low and medium energy levels the number of shocks played only a minor role, at maximal generator voltage (20 kV) even 25 impulses induced a grade 2 and 600 shocks a grade 3 lesion, emphasizing the importance of shockwave limitation in the upper energy range. In shockwave-induced renal trauma a vascular lesion was predominant and cellular necrosis was secondary. Coupling with a water cushion resulted in a 15%–20% decrease in the disintegrative and traumatic effect, which was compensated for by increasing the generator voltage by 2 kV. Long-term studies showed complete restitution following grade 1 and 2 trauma, whereas after a grade 3 lesion a small segmental and capsular fibrosis without hyperplasia of the juxtaglomerular apparatus was observed. Based on the characteristic ultrasound pattern found in the first study, the threshold for induction of grade 1 lesion was investigated. With both lithotripters a wide range for induction of a grade 1 lesion (Modulith 234–411, Lithostar Plus 220–740) and also a significant overlapping with grade 0 and 2 lesions was seen at low energy settings (levels 2–4). In contrast, the range of shocks (Modulith 96–150, Lithostar Plus 90–142) and overlapping was minimal when high energy was used (levels 7–9). Finally, the disintegration-trauma coefficient combining the results obtained in a standard stone model with those of the canine kidney model was introduced.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00182171
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  • 5
    Electronic Resource
    Electronic Resource
    The telescope dilators (1985)
    Springer
    World journal of urology 3 (1985), S. 7-10 
    Details
    ISSN: 1433-8726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The telescope dilation set has been developed to allow for one-step percutaneous intrarenal instrumentation. As it is used for dilation as well as introduction of nephroscopes and nephrostomy tubes, it has become a central part of percutaneous procedures. A precise puncture technique has been developed to guarantee safe and effective use of the telescope dilators. Application in more than 300 cases involved minimal morbidity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00326880
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  • 6
    Electronic Resource
    Electronic Resource
    Extracorporeal shock wave lithotripsy (ESWL): alternatives and adjuvant procedures (1985)
    Springer
    World journal of urology 3 (1985), S. 48-52 
    Details
    ISSN: 1433-8726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Within a short time, extensive statistics on ESWL have documented its efficiency in the treatment of most renal and ureteral stones. Approximately 20% of all stone patients, however, require additional or other forms of therapy, such as URS, PNL, or surgery. Up to now, the differential indications for these procedures have not been completely established. A crucial factor for successful application of ESWL is stone volume and localization. Large stones with a central stone mass may be successfully treated by combining ESWL and PNL, while surgery is still preferred in those with a peripheral stone mass.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00326888
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  • 7
    Electronic Resource
    Electronic Resource
    The use of operative ultrasonography for the localization of renal calculi (1987)
    Springer
    World journal of surgery 11 (1987), S. 586-592 
    Details
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé La technique de la néphrotomie guidée par l'échographie pour localiser les calculs rénaux et par la sonographie-Doppler pour identifier les zones avasculaires du parenchyme rénal permet l'ablation transparenchymateuse des calculs sans avoir recours au clampage de l'artère rénale et au refroidissement rénal. Au cours de 175 opérations de ce type la perte moyenne de sang a été de 1,350 ml et le taux des échecs nécessitant une intervention secondaire a été de 2.8%. Malgré l'avènement de nouvelles modalités thérapeutiques non-invasives, cette méthode de traitement est encore employée dans 23% des cas de calculs coralliformes.
    Abstract: Resumen La técnica de nefrotomía guíada por ultrasonografía utilizando la escanografía de modo B para définir la localización de los cálculos y la sonografía de Doppler para identificar áreas avasculares del parenquima para la realización de las nefrotomías, permite la remoción tránsparenquimatosa de cálculos sin necesidad de oclusión de la arteria renal ni hipotermia del riñón. En 175 procedimientos realizados la pérdida promedio de sangre fue de 1,350 ml y la tasa de cálculos residuales que requirieron una intervención secundaria fue de 2.8%. A pesar del advenimiento de modalidades terapéuticas no invasivas, esta técnica todavía se aplica en 23% de los pacientes con cálculos coraliformes.
    Notes: Abstract The ultrasonically guided nephrotomy technique using B-scanning to identify the localization of stones and Doppler sonography to identify avascular parenchymal areas for nephrotomies allows for transparenchymal stone removal without the need for renal artery clamping and renal cooling. In 175 procedures the average blood loss was 1,350 ml and the rate of residual stones requiring a secondary intervention was 2.8%. Despite the advent of new noninvasive treatment modalities, this technique is still applied in 23% of staghorn stones.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01655832
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  • 8
    Electronic Resource
    Electronic Resource
    199. Behandlung und Ergebnisse bei 65 benignen Magentumoren (1975)
    Springer
    Langenbeck's archives of surgery 339 (1975), S. 724-725 
    Details
    ISSN: 1435-2451
    Keywords: Stomach: Tumors, benign: Treatment ; Magen ; gutartige Tumoren ; Behandlung
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Von 1964–1974 wurden 1111 Magentumoren operativ behandelt. 65 gutartige Neubildungen wurden in 46 Fällen durch Gastrotomie und Excision entfernt. Die Indikation zu 19 Magenresektionen ergab sich meist durch eine Polyposis. Bei 38 röntgenologisch und/oder endoskopisch kontrollierten Patienten, die nachuntersucht werden konnten, fand sich kein Rezidiv oder ein Carcinomwachstum. Als Therapie der gutartigen Tumoren werden die Gastrotomie und Excision und die endoskopische Abtragung mit konsequenter Nachuntersuchung empfohlen. Die generelle prophylaktische Magenresektion wird abgelehnt.
    Notes: Summary From 1964–1974, 1111 gastric tumors were surgically treated. Of 65 (6.2 percent) benign lesions, 46 were removed by gastrotomy and excision. Most of the 19 gastrectomies performed were carried out because of polyposis. 38 patients were re-examined by X-ray and/or endoscopy. No carcinoma or recurrence was detected. Benign tumors of the stomach should be removed by gastrotomy and excision or by endoscopic biopsy. Annual follow-up examination is necessary to reduce the number of prophylactic gastrectomies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01257679
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  • 9
    Electronic Resource
    Electronic Resource
    The mainz-pouch (mixed augmentation ileum 'n zecum) for bladder augmentation and continent diversion (1985)
    Springer
    World journal of urology 3 (1985), S. 179-184 
    Details
    ISSN: 1433-8726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The ideal urinary reservoir constructed from bowel material should be a low-pressure system with a high capacity, capable of preventing upper tract deterioration resulting from ureteral obstruction or reflux. It should achieve reliable control of continence and assure easy emptying of the reservoir. In the Mainz-pouch, the combination of cecum and ileum, the latter of which is able to absorb pressure waves created by the cecum, produces a low-pressure system with a high capacity immediately postoperatively. By incorporating large bowel in our pouch, ureteral implantation can be done using a simple and reliable standard antireflux technique with a submucosal tunnel. The Mainz-pouch has been done since 1983 in 26 patients. Of these 11 were for bladder augmentation after subtotal cystectomy and 15 for continent urinary diversion. All of the patients with bladder augmentation are completely dry day and night; 2 patients with myelomeningocele are on intermittent catheterization for bladder evacuation. The remainder void spontaneously without significant residual urine. Of 15 patients with Mainz-pouch urinary diversion, 4 had an alloplastic stomal prosthesis implanted for control of continence and 11 have isoperistaltic ileo-ileal invagination, where by the invagination valve can easily be fixed to the intussuscepting ileum by sutures or staples. Of the 4 alloplastic stomal prostheses, 2 have been removed because of infection. In 1 of these patients, an ileo-ileal invagination was performed in the same operation to achieve continent closure. All patients with the invagination valve, as well as the 2 patients with an alloplastic stomal prosthesis, are completely continent, but in 3 cases, revision of the ileo-ileal invagination became necessary due to prolapse of the valve.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00326990
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  • 10
    Electronic Resource
    Electronic Resource
    Basic experimental studies on corpus cavernosum electromyography and smooth-muscle electromyography of the urinary bladder (1994)
    Springer
    World journal of urology 12 (1994), S. 266-273 
    Details
    ISSN: 1433-8726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In contrast to the extensive work on in vitro experiments for elucidation of the electrical properties of smooth musculature, the acquisition of knowledge on electrical signal behaviour from smooth-muscle cells in an in vivo situation remains very limited and rare. Smooth-muscle electromyographic recording from the smooth musculature of the genitourinary tract, in particular from the penile cavernous bodies and the urinary bladder, has recently become one of the most interesting issues in both impotence research as well as neurophysiological assessment of the urinary bladder. However, the inadequate available data on corpus cavernosum and EMG recordings remains controversial due to the significant discrepancy between basic physiology of the smooth musculature, technical prerequisites and the expected clinical impact from the smooth-muscle EMG of genitourinary organs. This article is an attempt to describe the fundamentals of smooth-muscle EMG signal behaviour and the technical prerequisites for data acquisition and analysis of electrical activity from smooth-muscle cells of the cavernous bodies and urinary bladder. A description is given of the technical aspects, including methodology and interpretation of the recorded data, and also of the possible interference by artefacts (endogeneous and exogeneous) that might limit the clinical relevance of this encouraging method. The advantages, pitfalls and limitations of online analogous data registration and the possibility of computer-assisted smooth-muscle electrical activity recording and analysis are demonstrated by basic in vivo studies on cavernous bodies and also the detrusor muscle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00191206
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