Erus 2011 renal course
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Transcript of Erus 2011 renal course
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ERUS 2011RENAL SURGERY
COURSEBen Challacombe
Consultant Urologist & Senior LecturerGuy’s and St Thomas’ Hospitals, London
Tips to minimise warm ischaemia
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WIT Why important? Time differences. 20 vs 30 vs more? Thompson RH et al ,Mayo Eur Urol. 2010.
>25 mins cutoff Becker F et al. Eur Urol. <20 mins. Choi JD Eur Urol. 2010 28 mins In a single kidney porcine model the renal
unit can fully recover from WI times of up to 90 minutes. Laven BA et al. J Urol. 2004
Thompson RH et al ,Mayo Eur Urol. 2010. Every minute counts when the renal hilum is clamped during partial nephrectomy.Becker F et al. Eur Urol. Assessing the impact of ischaemia time during partial nephrectomy.Choi JD Renal damage caused by warm ischaemia during laparoscopic and robot-assisted partial nephrectomy: an assessment using Tc 99m-DTPA glomerular filtration rate. Eur Urol. 2010
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Learning curve for WIT
Bhayani SB. Robot-assisted partial nephrectomy: evaluation of learning curve for an experienced renal surgeon. J Endourol. 2010 26 cases for WIT 16 cases for OT
Mottrie A, Ficarra V. Eur Urol. 2010. Impact of the learning curve on perioperative outcomes in patients who underwent robotic partial nephrectomy for parenchymal renal tumours. 30 for WIT, 20 for console time
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Options
Full clamping until renorrhaphy complete Early unclamping Segmental vessel clamping “zero-ischaemia” RPN No clamping
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Minimising WIT
Aim for <20 mins from the start Team work vital Prior Preparation and Planning Prevents
Poor Performance Rehearse procedure Brief staff before clamping vessels
Mannitol, frusemide, clamps, sutures, control room.
Consider angles and directions of sutures Assistant to act semi- independently
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Tips to keep WIT down
Needles inside before clamping Needles in correct direction of passage Deep scoring already done Posterior lip visible:
Adequate mobilisation Scanlan clips Haemostatic agent ready Don't cut sutures or add 2nd clips until
clamps off Consider early unclamping after deep suture
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Scoring Kidney
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Evicel
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Cystic Tumour