315 Analysis of the video motion tracking system ‘Kinovea’ to assess surgical movements during robot-assisted radical prostatectomy. Relation between Kinovea results of different phases of the surgery and postoperative continence status Of the seven surgical steps defined in the PROTEST assessment method6 the median speed was highest during the pelvic floor muscle exposure on the left side (2,8 cm/s) and lowest during nerve preservation on the left side (1,51 cm/s) (Table 7). The median percentage analysed was the highest during the bladder neck dissection (41.14%) and the lowest during the ureterovesical anastomosis (6.86%)6. The Kinovea results of the “Pelvic floor muscle exposure/opening of the endopelvic fascia” (table 8), and the “Vesico-urethral anastomosis” (table 9) phases to postoperative PROMS showed no significant correlations. Vesico-urethral anastomosis 12 1.75 (0.98 – 2.29) 38.58 (7.80 – 187.28) 648 (386 – 1093) 6.86 (1.40 – 19.27) RARP step Number of videos in which Kinovea data was available Median speed (cm/s) (min - max) Median time analysed (seconds) (min - max) Median phase duration (seconds) (min - max) Median percentage of phase analysed (%) (min - max) Table 7:Continued Table 8 correlations between Kinovea measurements of the “Pelvic floor muscle exposure/opening of the endopelvic fascia” and postoperative Patient Reported outcome Measures (PROMS) at 6 and 12 months postoperative. Right side of the patient Left side of the patient Total path length (cm) Average speed (cm/s) Total path length (cm) Average speed (cm/s) Correlation p-value Correlation p-value Correlation p-value Correlation p-value 6 months postoperative IPSS score 0.264 0.432 0.332 0.319 -0.504 0.249 0.502 0.251 12 months postoperative IPSS score 0.441 0.202 -0.072 0.844 -0.495 0.318 0.055 0.917 6 months ICIQ score 0.049 0.202 -0.072 0.844 -0.495 0.318 0.055 0.917 12 months ICIQ score 0.034 0.921 0.007 0.984 -0.642 0.120 0.040 0.933
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