Intermediate
Technical
IVT
TWL
Also written as: TWL — Total Weight Loss
Total Weight Loss - the absolute amount of weight lost following bariatric surgery.
Full Definition
A measurement of bariatric surgery success calculated as the difference between preoperative weight and current weight, expressed in pounds or kilograms. TWL is often reported alongside percentage total weight loss (%TWL) and provides an absolute measure of weight reduction. This metric is important for tracking patient progress and comparing outcomes across different surgical procedures and time points.
Usage
Usage note: Always capitalize when used as an acronym; lowercase when spelled out.
In Context
- "At 12 months, the patient achieved a TWL of 95 pounds with excellent maintenance of nutrition status." — Follow-up documentation
- "TWL plateaued at 18 months, prompting evaluation for additional interventions." — Clinical assessment
Also known as
total weight loss
absolute weight loss
Contrasted with
weight gain
Don't confuse with
EWL
%TWL
BMI reduction