Robotic rectal cancer resection with natural orifice extraction is a recently developed minimally invasive surgery for patients with rectal cancer. However, it's safety and feasibility remain undiscussed and controversial. This study reported the clinical outcomes and prognostic factors of robotic assisted rectal cancer resection alone vs. robotic rectal cancer resection with natural orifice extraction to discuss aforementioned question.
Robotic rectal cancer resection with natural orifice extraction is a recently developed minimally invasive surgery for patients with rectal cancer. However, it's safety and feasibility remain undiscussed and controversial. This study reported the clinical outcomes and prognostic factors of robotic assisted rectal cancer resection alone vs. robotic rectal cancer resection with natural orifice extraction to discuss aforementioned question. From January 2015 to November 2016, a consecutive wave of 49 patients underwent robotic rectal cancer resection with natural orifice extraction and 49 matched patients underwent conventional robotic assisted rectal cancer resection were systematically analyzed in this study.
Study Type
OBSERVATIONAL
Enrollment
98
participants in this group underwent robotic assisted rectal cancer resection alone, the specimens were extracted through the incision on the abdominal wall.
participants in this group underwent robotic rectal cancer resection，the specimens were extractd through anus and vagina.
Overall survival
To determine the survival differences between NOSE group and RARC group. Overall survival is defined as the time from surgery to death from any causes
Time frame: Up to 36 months
Disease-free survival
To determine the survival differences between NOSE group and RARC group. Disease-free survival is defined as the time from surgery to local or distant recurrence
Time frame: Up to 36 months
Operation time
To determine the differences between NOSE group and RARC group
Time frame: 1 day
Estimated intraoperative blood loss
To determine the differences between NOSE group and RARC group
Time frame: 1 day
Postoperative hospital stay
To determine the surgical and patients burdern differences between NOSE group and RARC group
Time frame: 30 days
Postoperative visual analogue scale scale on day 1
To determine the surgical differences between NOSE group and RARC group. Maxium sacle is 10, miniun scale is 0. 0 represents no pain. 10 represents maximun pain.
Time frame: 1 day
Time to pass flatus
To determine the surgical differences between NOSE group and RARC group
Time frame: 30 days
Hospitalization costs
to determine the patients burden differences between NOSE group and RARC group
Time frame: 30 day
Specimen length
To determine the surgical differences between NOSE group and RARC group
Time frame: 30 day
Proximal margin
To determine the pathological differences between NOSE group and RARC group
Time frame: 30 day
Distal margin
To determine the pathological differences between NOSE group and RARC group
Time frame: 30 days
Histological differentiation
To determine the pathological differences between NOSE group and RARC group
Time frame: 30 days
Number of lymph nodes harvested
To determine the pathological differences between NOSE group and RARC group
Time frame: 30 days
Postoperative white blood cell count
To determine the surgical stress response differences NOSE group and RARC group
Time frame: 30 days
Postoperative procalcitonin
To determine the surgical stress response differences NOSE group and RARC group
Time frame: 30 days
Postoperative C-reactive protein
To determine the surgical stress response differences NOSE group and RARC group
Time frame: 30 days
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