The objective was to study the efficacy of low pressure pulsatile lavage treatment in healing of chronic wounds.A randomised controlled study was carried out. The study
period was from 1 August 2010 to 31 January 2012 and was conducted at the Christian Medical College. This study was approved by the Institutional Research Review Board of the institution. Participants were randomly assigned to a treatment group or control group after enrollment using a randomisation table. Immunocompromised patients or those with suspected malignancy and comorbid conditions like renal failure and
bacterial endocarditis were excluded from our study. Thirty patients with 31 chronic, non-healing wounds were enrolled in the study after obtaining proper consent. Subjects were randomised (15 patients each) to the pulse lavage group and the control group. Method of randomisation usedwas block randomisation with block size 2:25%, block size4:25%, block size 6:35%. Conventional treatment was considered as treatment A and power pulse irrigation was considered as treatment B. Statistical analysis was done by using the software SAS 9.1 (block randomisation). Cultures and wound measurements were obtained by independent wound evaluators blinded to the groups.