Search Results - "Lehmann, K S"

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  1. 1

    Three-dimensional assessment of vascular cooling effects on hepatic microwave ablation in a standardized ex vivo model by Neizert, C. A., Do, H. N. C., Zibell, M., Rieder, C., Sinden, D., Niehues, S. M., Vahldiek, J. L., Lehmann, K. S., Poch, F. G. M.

    Published in Scientific reports (12-10-2022)
    “…The aim of this study was a three-dimensional analysis of vascular cooling effects on microwave ablation (MWA) in an ex vivo porcine model. A glass tube,…”
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    Journal Article
  2. 2

    Sacral nerve stimulation in patients with ileal pouch-anal anastomosis by Seifarth, C., Slavova, N., Degro, C., Lehmann, K. S., Kreis, M. E., Weixler, B.

    “…Purpose Functional results after proctocolectomy and ileal pouch-anal anastomosis (IPAA) are generally good. However, some patients suffer from high stool…”
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  3. 3

    Perivascular vital cells in the ablation center after multibipolar radiofrequency ablation in an in vivo porcine model by Poch, F. G. M., Neizert, C. A., Geyer, B., Gemeinhardt, O., Niehues, S. M., Vahldiek, J. L., Bressem, K. K., Lehmann, K. S.

    Published in Scientific reports (06-07-2021)
    “…Multibipolar radiofrequency ablation (RFA) is an advanced ablation technique for early stage hepatocellular carcinoma and liver metastases. Vessel cooling in…”
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  4. 4

    Colectomy with ileostomy for severe ulcerative colitis-postoperative complications and risk factors by Schineis, C., Lehmann, K. S., Lauscher, J. C., Beyer, K., Hartmann, L., Margonis, G. A., Michel, J., Degro, C. E., Loch, F. N., Speichinger, F., Kreis, M. E., Kamphues, C.

    “…Purpose In the era of biological therapy of ulcerative colitis (UC), surgical treatment frequently consists of colectomy, end ileostomy, and rectal stump…”
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  5. 5

    Influence of interapplicator distance on multibipolar radiofrequency ablation during physiological and interrupted liver perfusion in an in vivo porcine model by Poch, F. G. M., Neizert, C. A., Geyer, B., Gemeinhardt, O., Bruder, L., Niehues, S. M., Vahldiek, J. L., Bressem, K. K., Kreis, M. E., Lehmann, K. S.

    Published in Scientific reports (01-10-2020)
    “…Radiofrequency ablation (RFA) is a curative treatment option for early stage hepatocellular carcinoma (HCC). Vascular inflow occlusion to the liver (Pringle…”
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  6. 6

    Laser-induced thermotherapy : Intra- and extralesionary recurrence after incomplete destruction of experimental liver metastasis by ISBERT, C, ROGGAN, A, RITZ, J.-P, MÜLLER, G, BUHR, H. J, LEHMANN, K.-S, GERMER, C.-T

    Published in Surgical endoscopy (01-11-2001)
    “…The aim of this study was to determine the energy (J/mm3 tumor volume) and temperature required for a complete laser-induced thermotherapy (LITT) of…”
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  7. 7

    Safety of resection of symptomatic and asymptomatic Meckel's diverticulum and literature review by Loh, J-C, Kruschewski, M, Buhr, H-J, Lehmann, K S

    Published in Zentralblatt fur Chirurgie (01-08-2014)
    “…Meckel's diverticulum (MD) is the most common diverticulum of the small bowel and an important finding in surgical practice. The aim of this study was to…”
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    Journal Article
  8. 8

    Suitability of a virtual reality simulator for laparoscopic skills assessment in a surgical training course by Lehmann, K. S., Holmer, C., Gillen, S., Gröne, J., Zurbuchen, U., Ritz, J. P., Buhr, H. J.

    “…Background Virtual reality simulators (VRS) can acquire specific performance parameters for laparoscopic surgery. The aim of this study was to evaluate the…”
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  9. 9

    Ex situ quantification of the cooling effect of liver vessels on radiofrequency ablation by Lehmann, K. S., Ritz, J. P., Valdeig, S., Knappe, V., Schenk, A., Weihusen, A., Rieder, C., Holmer, C., Zurbuchen, U., Hoffmann, P., Peitgen, H. O., Buhr, H. J., Frericks, B. B.

    Published in Langenbeck's archives of surgery (01-05-2009)
    “…Purpose To quantify the cooling effect of hepatic vessels on liver radiofrequency (RF) ablation ex situ. Methods Bipolar RF applicators (diameter = 1.8 mm,…”
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    Journal Article
  10. 10

    Simulation training in surgical education - application of virtual reality laparoscopic simulators in a surgical skills course by Lehmann, K S, Gröne, J, Lauscher, J C, Ritz, J-P, Holmer, C, Pohlen, U, Buhr, H-J

    Published in Zentralblatt fur Chirurgie (01-04-2012)
    “…Training and simulation are gaining importance in surgical education. Today, virtual reality surgery simulators provide sophisticated laparoscopic training…”
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    Journal Article
  11. 11

    Fast Estimation of the Vascular Cooling in RFA Based on Numerical Simulation by Kröger, T, Pätz, T, Altrogge, I, Schenk, A, Lehmann, K S, Frericks, B B, Ritz, J-P, Peitgen, H-O, Preusser, T

    Published in The open biomedical engineering journal (04-02-2010)
    “…We present a novel technique to predict the outcome of an RF ablation, including the vascular cooling effect. The main idea is to separate the problem into a…”
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  12. 12

    Improving laser-induced thermotherapy of liver metastases – Effects of arterial microembolization and complete blood flow occlusion by Ritz, J.-P, Lehmann, K.S, Zurbuchen, U, Wacker, F, Brehm, F, Isbert, C, Germer, C.T, Buhr, H.J, Holmer, C

    Published in European journal of surgical oncology (01-06-2007)
    “…Abstract Introduction A prerequisite for an oncologically curative application of laser-induced thermotherapy (LITT) of liver metastases is complete tumor…”
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  13. 13

    German Society for General and Visceral Surgery (DGAV) risk calculator of interventions for colorectal cancer : Presentation of a surgical algorithm on patient participation and quality assurance by Buhr, H J, Klinger, C, Lehmann, K S, Strahwald, B, Rieger, A

    Published in Chirurg (01-04-2019)
    “…Algorithms are increasingly being developed on the basis of large data sets, also in the field of health, whether for predicting treatment outcomes or…”
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  14. 14

    Natural orifice transluminal endoscopic surgery in Germany: Data from the German NOTES registry by Lehmann, K S, Zornig, C, Arlt, G, Butters, M, Bulian, D R, Manger, R, Burghardt, J, Runkel, N, Pürschel, A, Köninger, J, Buhr, H J

    Published in Chirurg (01-06-2015)
    “…The German NOTES registry (GNR) was initiated by the German Society for General and Visceral Surgery (DGAV) as a treatment and outcome database for natural…”
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  15. 15

    What is the actual benefit of sigmoid resection for acute diverticulitis? : Functional outcome after surgical and conservative treatment by Ritz, J-P, Gröne, J, Engelmann, S, Lehmann, K S, Buhr, H J, Holmer, C

    Published in Chirurg (01-08-2013)
    “…The correct therapeutic management of acute sigmoid diverticulitis (SD) is still controversially discussed. Essential to the success of therapy is primarily…”
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  16. 16

    Stump closure in laparoscopic appendectomy. Influence of endoloop or linear stapler on patient outcome by Sohn, M, Hoffmann, M, Pohlen, U, Lauscher, J C, Zurbuchen, U, Holmer, C, Buhr, H J, Lehmann, K S

    Published in Chirurg (01-01-2014)
    “…Even though laparoscopic appendectomy is one of the most frequent procedures in abdominal surgery, the technique of appendiceal stump closure is still not…”
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  17. 17

    Perforation risk and patient age. Risk analysis in acute sigmoid diverticulitis by Holmer, C, Lehmann, K S, Gröne, J, Buhr, H J, Ritz, J-P

    Published in Chirurg (01-04-2011)
    “…It is often postulated that younger patients with acute sigmoid diverticulitis (SD) have an increased risk of perforation which constitutes an indication for…”
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  18. 18

    Acute sigmoid diverticulitis. Are operations more frequent since the introduction of laparoscopy and CT scanning? by Ritz, J-P, Lehmann, K S, Kroesen, A J, Buhr, H J, Holmer, C

    Published in Chirurg (01-08-2011)
    “…Sigmoid resection is now considered as a standard procedure for acute and recurrent sigmoid diverticulitis (SD). In the last decade significant changes in…”
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  19. 19

    "Practical course for visceral surgery in Warnemünde" 10 years on. Significance and benefits of a surgical training course by Ritz, J-P, Gröne, J, Hopt, U, Saeger, H D, Siewert, J R, Vollmar, B, Lauscher, J C, Lehmann, K S, Buhr, H J

    Published in Chirurg (01-09-2009)
    “…Skill courses for surgery offer a good but cost and personnel-intensive possibility to obtain practical and theoretical knowledge by the employment of a close…”
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  20. 20

    A prospective randomized study to test the transfer of basic psychomotor skills from virtual reality to physical reality in a comparable training setting by LEHMANN, Kai S, RITZ, Joerg P, MAASS, Heiko, CAKMAK, Hueseyin K, KUEHNAPFEL, Uwe G, GERMER, Christoph T, BRETTHAUER, Georg, BUHR, Heinz J

    Published in Annals of surgery (01-03-2005)
    “…To test whether basic skills acquired on a virtual endoscopic surgery simulator are transferable from virtual reality to physical reality in a comparable…”
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