The Waterbed and foam mattress' did influence back symptoms, function and sleep more positively as apposed to the hard mattress, but the differences were small.

OA using NPWT seems to be a safe procedure, with few procedure-related complications. Failure of fascial closure is related to the indication of OA and the presence of a stoma. Prospective multicenter studies are needed to establish which patients with lower GI surgery benefit from OA.

Prognostic study, level III.

PRBC transfusion was associated with adverse events, including 30-day mortality and failure of hemostasis. In contrast, transfusion of PLT was associated with a reduction in need for re-endoscopy.