ABSTRACT
This was a clinical trial (quasi experimental) study carried outat the National Institute of Traumatology and OrthopedicRehabilitation (NITOR), Dhaka, between July 2004 to June2006, involving 16 patients with habitual dislocation of thepatella. All these cases were managed by Madigan operativeprocedure. Aim of this study was to evaluate the effectivenessof the madigan procedure in the treatment of habitualdislocation of the patella. Out of these 16 patients 2 weresubsequently lost from follow up. So, the study finally consistedof 14 patients. In this study non-random purposive techniqueas per inclusion and exclusion criteria was followed irrespectiveof sex. Most common age group in this study was 6-10 years(62.5%). The mean age of occurrence was 8.25 years.Repeated intramuscular injection on the thigh was thecommonest cause of dislocation found in 37.5% cases. Thesecond most common cause of dislocation was history of boil.Abscess or cellulitis on the thigh followed by contracture of thequadriceps muscles. Various postoperative complications likehypertrophic scar constituted (18.75%), stitch granuloma(6.25%), restriction of knee motion (6.25%) and re-dislocationoccurred in (6.25%) cases. Functional outcome in themanagement of habitual dislocation of the patella wasanalyzed by using the Hospital for Special Surgery (HSS) kneescore. Regarding the final or overall results in this series, therewere 71.43% cases were found satisfactory and the remaining28-57% were found unsatisfactory result.