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In the mid-2000s, the field of bariatric surgery faced intense scrutiny based on concerns about patient safety. The American Society for Metabolic and Bariatric Surgery (ASMBS) and SRC recognized that the specialty needed data to evaluate care processes and outcomes. The steady increase in bariatric surgeries performed each year also mandated that benchmarks for quality and patient safety be established, with the goal of developing evidence-based guidelines for best clinical practices and quality improvement. Accomplishing these objectives required the broad collection of clinical data on a large population of patients.

In 2007, SRC launched BOLD to monitor outcomes, ensure ongoing compliance with its center of excellence programs and develop general knowledge about optimal bariatric surgery practices. Before BOLD, bariatric surgery data was limited, with the exception of several meta-analyses and state-level data collection efforts. Most data had either been collected at a single institution or for administrative purposes, which lacked important clinical parameters. BOLD’s longitudinal scope and comprehensive yet focused data sets collected across diverse provider settings uniquely equips SRC to track outcomes, identify trends, delineate long-term success factors and establish international benchmarks.

Today, BOLD is the world’s largest prospective repository of clinical bariatric surgery patient information. The database currently contains more than 500,000 patients, with 100,000 new patients added each year.