Alejandra Vidal Villa, Mónica Illesca Pretty, Luis González Osorio, Jessica Godoy-Pozo
[Problem-Based Learning virtual with a peer tutor in pandemic]
Revista medica de Chile
background stockholm ii randomised trials demonstrated value preoperative radiotherapy preventing local recurrence rectal cancer study investigated potential improvement introduction concept total mesorectal excision tme surgeons stockholm sweden methods workshops started 1994 included 11 televisionbased demonstrations two histopathology sessions study population consisted patients underwent abdominal operations rectal cancer stockholm county 199596 tme project n447 outcomes 2 years compared stockholm n790 ii n542 trials historical controls findings patients curative abdominal resections differences stockholm n686 stockholm ii n481 tme project n381 groups 30day mortality 30 4 six 1 12 3 anastomotic leakage 27 10 18 9 23 9 complications 204 30 169 35 134 35 similarity achieved despite decrease proportion abdominoperineal procedures 5560 27 local recurrence occurred significantly fewer tme group stockholm ii groups 21 6 vs 103 15 66 14 p0001 cancerrelated death 35 9 vs 104 15 77 16 p0002 interpretation surgical teaching initiative major effect cancer outcomes proportion abdominoperineal procedures local recurrence rate decreased 50 already evidence decline rectalcancer mortality