Research Article

Transanal versus Laparoscopic Total Mesorectal Excision in Male Patients with Low Tumor Location after Neoadjuvant Therapy: A Propensity Score-Matched Cohort Study

Table 2

Perioperative outcomes.

CharacteristicsGroup
taTME ()laTME ()

Total operative time minutes(min) (range) (102-600) (105-586)0.425
Pelvic operative time minutes(min) (range) (43-98) (55-178)0.003
Intraoperative blood loss(mL), (range) (10-1500) (20-1300)0.004
Blood transfusion, (%)1
 Yes2 (98.1%)2 (98.1%)
 No104 (1.9%)104 (1.9%)
Distance from anastomosis to anal margin(cm), (range) (0-5) (0-5)0.051
Protective loop ileostomy, (%)<0.001
 Yes75 (70.8%)98 (92.5%)
 No31 (29.2%)8 (7.5%)
Conversion, (%)0.246
 Yes3 (2.8%)
 No106 (100.0%)103 (97.2%)
Postoperative transfer to ICU, (%)1
 Yes3 (2.8%)3 (2.8%)
 No103 (97.2%)103 (97.2%)
Postoperative complication, (%)0.003
 Yes21 (19.8%)41 (38.7%)
 No85 (80.2%)65 (61.3%)
Types of complications, (%)
 Anastomotic leakage15 (14.2%)27 (25.2%)0.017
 Postoperative ileus2 (0.9%)5 (4.7%)0.445
 Anastomotic stenosis5 (4.7%)5 (4.7%)1
 Postoperative abdominal hemorrhage1 (0.9%)
 Rectourethral fistula1 (0.9%)2 (0.9%)1
 Urinary retention2 (0.9%)6 (5.7%)0.28
 Pulmonary infections1 (0.9%)
 Pelvic abscess1 (0.9%)
 Anastomotic ischemic enteritis1 (0.9%)
Clavien-Dindo grade, (%)a0.03
 I/II14 (66.7%)30 (73.2%)0.593
 III7 (33.3%)9 (22.0%)0.332
 IV1 (2.4%)
 V1 (2.4%)
Postoperative hospital stay (days), median (range)9 (3-48)10 (6-30)<0.001
30-day postoperative mortality, (%)1
 Yes1 (0.9%)
 No106 (100.0%)105 (99.1%)

aProportion of patients with postoperative complications in each group: 21 (taTME group) and 41 (laTME group).