Introduction: Osseointegration is the ability of implants to establish mechanical and functional bond with bone without forming any connective tissue. Osseointegration is useful for clinical follow-up in many implants e.g. dental implants, hearing aids, spinal fusion implants, prosthesis. Endoprosthesis functions pain free when their anchoring components are firmly fixed to the osseous tissue. Total hip arthroplasty is a common procedure in many conditions that reduces pain and improves functions. Noncemented implants need precise preparation of implant bed and additional fixation device such as screws or projections that cut into the bone to achieve stability. The long term stability and function of joint replacement can be evaluated on the basis of outcomes. If improper osseointegration occurs then fibrinous tissue formed between bone and implant that cause weak and loose implant. Materials and Methods: This was an observational type of study where non-cemented total hip replacement done by different surgeons were included for follow-up. The follow-ups were done in US

Introduction: Anterior cruciate ligament is often injured in physical activities especially contact sports and road accidents. ACL injury is a debilitating condition which may result pain, swelling and instability especially during activities involving side stepping and pivoting. Arthroscopic reconstruction of the ACL with central one-third of the patellar ligament and the hamstring tendon construct are most commonly used for reconstruction of ACL. Hamstring tendon graft using semitendinosus or semitendinosus-gracilis tendons either tripled for quadrupled form has evolved as an alternative for ACL reconstruction. Materials and Methods: This was a quasi-experimental study (Prospective Study). This study was done from January 2015 to December 2016 at National Institute of Traumatology and Orthopaedic Rehabilitation (NITOR), Sher-E-Bangla Nagar, Dhaka. Patients presented with unilateral knee complaints and clinically diagnosed as ACL injury of both sexes at OPD of NITOR were included in this study. Due to time limitation and financial constrain 30 cases were selected during the study period. Purposive sampling (nonrandomized) was done according to availability of the patients and strictly considering the inclusion and exclusion criteria. Results: Post operatively Lachman test improved significantly, 95% cases of grade I and grade II was in 5% patients. Anterior drawer was positive in 10% cases. Pivot shift test was negative in all cases.McMurry test negative in all cases. After operation 80% had 135 o knee flexion and 20% had less than 130 o flexion. Preoperative versus post operative Lysholm knee score in this series shows significant improvements (p<0.05). Preoperative and postoperative Lysholm score were 67.57±11.458 and 9427±5.656 respectively. Regarding final outcome, out of 30 patients, 29 (96.67%) had satisfactory (excellent + good), 1 (3.3%) had unsatisfactory (fair) outcome. Confidence interval (CI) at 95% confidence level is 87.21% -102.79%. Conclusion: Anterior cruciate ligament injury most commonly occurs in young adult especially during sporting activity. It hampers their daily activity and causes financial loss so early reconstruction is necessary for their return to daily activity.