Obesity is associated with increased morbidity and mortality. Surgery for morbid obesity may be considered when other conventional measures have failed, and a number of procedures are available. However, the effects of these surgical procedures compared with medical management and with each other are uncertain.
Southampton Health Technology Assessments Centre, University of Southampton, Boldrewood, Mailpoint 728, Southampton, Hampshire, UK, SO16 7PX. j.colquitt@soton.ac.uk