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Sökning: L773:0724 4983 OR L773:1433 8726 > Månsson Wiking

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1.
  • Holmer, Magnus, et al. (författare)
  • Extended lymph node dissection in patients with urothelial cell carcinoma of the bladder: can it make a difference?
  • 2009
  • Ingår i: World Journal of Urology. - : Springer Science and Business Media LLC. - 1433-8726 .- 0724-4983. ; 27, s. 521-526
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: We compared extended and limited lymph node dissections performed during radical cystectomy with regard to impact on survival and time to recurrence in bladder cancer patients. METHODS: We analyzed 170 patients who underwent radical cystectomy for urothelial carcinoma between January 1997 and December 2005. From 1997 to 2000, 69 of the patients were subjected to limited lymph dissection that included perivesical nodes and nodes in the obturator fossa. In 2001-2005, the remaining 101 patients underwent extended lymph dissection that included perivesical nodes; nodes in the obturator fossa; the internal, external, and common iliac nodes; and the presacral nodes. RESULTS: Tumors penetrating the bladder wall (pT3 and pT4a) were more common in the extended than in the limited dissection group (48 and 33%, respectively). The median numbers of lymph nodes removed in the two groups were 37 and 8, respectively. Lymph node metastases were detected in 38% of the extended dissection patients but only in 17% of the limited dissection patients. There was no significant difference in survival or time to recurrence between the two groups. Subgroup analyses showed a significantly longer time to recurrence (HR 0.45, 95% CI 0.22-0.93; P = 0.032) in patients with non-organ-confined disease who underwent extended lymph node dissection. In a multivariate analysis adjusting for tumor stage, lymph node status, age, sex, and adjuvant chemotherapy, there was a significantly improved survival (HR 0.47, 95% CI 0.25-0.88; P = 0.018) and time to recurrence (HR 0.42, 95% CI 0.23-0.79; P = 0.007) in the patients with extended lymph node dissections. CONCLUSIONS: Extended lymph node dissection did not improve disease-specific survival, but was in multivariate analysis related to significantly improved disease-specific survival and prolonged time to recurrence in radical cystectomy patients. These results should be interpreted cautiously, since they might have been affected by stage migration and the shorter follow-up in the extended dissection group.
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2.
  • Kristjansson, A, et al. (författare)
  • Renal function in the setting of urinary diversion
  • 2004
  • Ingår i: World Journal of Urology. - : Springer Science and Business Media LLC. - 1433-8726 .- 0724-4983. ; 22:3, s. 172-177
  • Tidskriftsartikel (refereegranskat)abstract
    • Incorporating bowel into the urinary tract sets the stage for a potentially dangerous situation for the upper part of this tract. Obstruction, reflux and chronic bacteriuria may develop, all of which can all be detrimental. Most reports on renal function have used IVP and serum creatinine only, methods which are inadequate for proper assessment. Long-term follow-up of patients with ileal conduit diversion reveals a high incidence of morphological and/or functional damage to the kidneys. Refluxing techniques for implanting the ureters have usually been employed. In patients with continent cutaneous diversion or orthotopic bladder substitution, some recent publications have shown rather well preserved glomerular filtration rates. Traditionally, antirefluxing ureteric implantation has been used in these patients. There is presently a trend towards refluxing anastomosis in this setting, providing a low pressure pouch has been constructed. However, pressure can be high in such pouches and bacteriuria is common. The consequences for the fate of the upper urinary tract is unknown and caution should be exercised in recommending such techniques. There is clearly a need for prospective randomized controlled studies on the issue of refluxing versus antirefluxing anastomosis in continent urinary reconstruction. Patients with continent or non-continent diversion should have lifelong follow-up with regard to the upper urinary tract.
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