Following a detailed explanation of the study design as well as the associated risks and benefits that may be incurred by each potential test group, patients who agree to participate in the study (via informed consent) will be categorized by characteristics including past medical history, past surgical history, social history, pre- and post-bariatric surgery total weight loss and BMI and will be randomized into either the control (standard closed suction drains) or experimental (continuous negative pressure via NPWT device) arm of each group, depending on the procedure to be performed, as follows: