NCT01264146.

Trial name or title	"Hyperbaric oxygen therapy in calcaneal intraarticular fractures: can it decrease the soft‐tissue complication rate? (HOCIF)"
Methods	Randomised controlled trial (single centre)
Participants	Estimated enrolment: 160 people who have open reduction and internal fixation of an acute displaced intraarticular calcaneal fracture; aged 18 years or older.
Interventions	Hyperbaric oxygen therapy 20 postoperative days (one time, 90 minutes a day) versus placebo (sham) control
Outcomes	Primary outcome measure: postoperative rate of wound complication after calcaneal plating [time frame 30 days] Secondary outcome measure: postoperative microcirculation of the foot, clinical outcome [time frame 2 years]
Starting date	January 2011
Contact information	Matthias Knobe: mknobe@ukaachen.de Saskia C Mooij: smooij@ukaachen.de Department of Orthopedic Trauma, RWTH Aachen University, Aachen, Germany
Notes	Estimated study completion date: July 2014 It is possible that this trial may not collect our listed outcomes.