Comparison: Open, Laparoscopic, and Robotic Prostatectomy

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Type of Surgery Open Laparoscopic Robotic
Blood Loss Oozing of blood from low pressure veins continues throughout the case.  The longer the surgery, the more the blood loss.  1000 – 2000 cc is typical Surgery is performed inside the pressurized abdomen.  Bleeding from small vessels is stopped by this pressure, allowing the vessels to clot off.  50 cc – 400 cc is typical. Surgery is performed inside the pressurized abdomen.  Bleeding from small vessels is stopped by this pressure, allowing the vessels to clot off.  50 cc – 400 cc is typical
Size of incisions A lower midline vertical incision 8 – 14 cm (the human hand is 8-12 cm across and thus blocks the surgeons view when working) 5 small incisions 0.5 – 0.8 cm through which instruments are passed inside the body.  One incision is enlarged to 1.5 cm at the end to remove the prostate 5 small incisions 0.5 – 0.8 cm through which instruments are passed inside the body.  One incision is enlarged to 1.5 cm at the end to remove the prostate
Avg Hospital Stay 4 days 1 day 1 day
Lymph node Sampling Full Sampling when indicated Full Sampling when indicated Full Sampling when indicated
Bladder/Urethra Reconstruction 4 – 6 interrupted sutures, tied blindly Stitching along full length of the bladder.Accuracy of placement and tying hindered by difficulty of sewing at the end of sticks Stitching along full length of the bladder.  The DaVinci Robot enables the surgeon to sew in a natural manner as if the bladder was not in a deep hole or at the end of laparoscopic instruments
Dissection Tactile sense good, visualization hindered by blood loss.Good dexterity of surgeons hand, but only one hand can fit in the incision.  6 degrees of motion, tight space limits range of motion Tactile sense less than open.  Skilled laparoscopic surgeons replace this with visual feedback based on the properties of the tissue.  Two hands, 4 degrees of motion.  Small instrument size allows greater range of motion Tactile sense less than open.  Skilled laparoscopic surgeons replace this with visual feedback based on the properties of the tissue.  Two hands, 6 degrees of motion.  Small instrument size allows greater range of motion
Post-Op Pain Moderate Minimal Minimal

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