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007). Time to independent mobilization was significantly shorter in the nail group than the plate group (p = 0.027). The Harris hip score results were similar between the groups after one year (p = 0.479). CONCLUSIONS Both implants had similar radiographic and clinical outcomes treat 31 A3 intertrochanteric fractures if the lateral wall of the proximal fragment was intact and anatomical medial-posteromedial restoration of the fracture is performed. Although complication rates were similar between the two groups, nails enabled early mobilization of patients. Key words intertrochanteric, 31 A3 fracture, fixation, PFLP, nail.PURPOSE OF THE STUDY This retrospective study presents our experience in treatment of polytrauma patients with acetabular fractures treated with only modified Stoppa approach or in combination with iliac wing approach. The purpose of this study was to evaluate the outcome of polytrauma patients with acetabular fractures operated with only modified Stoppa approach or in combination with iliac wing approach. MATERIAL AND METHODS Polytrauma patients who suffered from acetabular fractures treated in our hospital during 2008-2018, operated by using only modified Stoppa or in combination with iliac wing approach, were included in the study. The patients were evaluated using Majeed score. Cases with hip replacement due to post-traumatic osteoarthritis (PTOA) were summarized. The study group was compared with control group, which was operated through ilioinguinal approach. RESULTS We examined 42 patients (12 women and 30 men; mean age 44 years). Anatomical or satisfactory fracture healing was achieved in 92% of the asfactory reduction of an acetabular fracture is a strong predictor of symptomatic severe PTOA, which is treated by using total hip arthroplasty. Key words acetabulum, modified Stoppa approach, iliac wing approach, post-traumatic osteoarthritis.PURPOSE OF THE STUDY Anterior cruciate ligament reconstruction is one of the most common reconstruction surgeries. The unintended consequences of the surgery are hemarthrosis, blood loss, knee swelling and postoperative pain. The purpose of the study was to evaluate the effect of a single dose of intravenous tranexamic acid (TXA) on the postoperative parameters and functional status of the knee joint 3 months after surgery. MATERIAL AND METHODS It is a prospective randomised clinical study. An intravenous injection of TXA equivalent to 15 mg/kg in 100 ml of saline solution was administered to the test group during the surgery (20 minutes before the end of the surgery). The control group was administered 100 ml of saline solution without TXA. In both groups, the following parameters were evaluated preoperatively and postoperatively (on Day 1 and Day 10 and at 1 month and 3 months) thigh circumference at 1 cm above the patella, Coupens and Yates (CY) score for swelling, and pain score (VAS). At 24 hours after tTXA during the reconstruction of anterior cruciate ligament using hamstrings on early postoperative blood loss and early postoperative swelling, which can have a positive effect on wound healing and prevent postoperative complications. Therefore, in agreement with available literature, we recom mend administering a single dose of intravenous TXA in ACL reconstruction, unless there is a contraindication to this therapy. Key words anterior cruciate ligament reconstruction, hamstrings tranexamic acid, single intravenous administration, clinical evaluation.PURPOSE OF THE STUDY Persistent catabolism is one of the main causes of delayed healing in polytrauma patients. The purpose of this study is to verify the effect of early administration of an anabolic steroid in combination with vitamin D on the process of bone healing in polytrauma patients. MATERIAL AND METHODS In this prospective study, the patients with a serious trauma were divided into two groups (a control group and a treatment group), with the treatment group being treated with nandrolone decanoate, an anabolic steroid in combination with vitamin D. In all the patients, bone metabolism markers and sex hormone levels (men only) were monitored through lab testing for the period of 70 days and the results of both the groups were subsequently compared. RESULTS The study included a total of 64 patients, 32 in the control group and 32 in the treatment group. The differences between the groups in gender (p = 0.387) as well as in the age of patients (p = 0.436) were statistically non-significant. There was a up corresponds with the supplemental effect of anabolic steroids and reduced production of these hormones as a feedback to hypothalamic-pituitary-adrenal axis. CONCLUSIONS In the follow-up period, the positive effect of anabolic steroid and vitamin D administration on bone metabolism in polytrauma patients was not confirmed. Key words polytrauma, anabolic steroids, vitamin D, bone metabolism.PURPOSE OF THE STUDY This study aims to ascertain whether a high anteversion of the femoral neck can influence the measurement of the caputcollum-diaphyseal (CCD) angle on a plain anteroposterior (AP) radiograph of the proximal femur. MATERIAL AND METHODS We developed a new method of measuring the CCD angle and femoral neck version of the femur. ALK inhibitor review This was done with the use of a computer program that utilised the measurement of the entire visualised area of femoral neck and shaft to calculate their long axis. Using this method, we measured the CCD angle and femoral neck version (FNV) of 100 photographed cadaveric femurs in two projections The condylar line (CL) projection and the femoral neck (FN) projection. The same method was applied to 50 radiographs of the same femurs. The femurs were divided into three groups depending on the femoral neck version Retro (FNV of 15°) RESULTS We found a statistically significant difference in the CCD angle measured in the FN and CL projections in the Normal and Ante groups but not in the Retro group. There is a significant correlation between the increase in FNV and the difference between the measured CCD values in the FL and CL projections. The femoral neck version of our cadaveric femurs varied from -14. 4° to 31. 5° which is a range of more than 35°. CONCLUSIONS From the results, it is clear that with an increase in femoral neck anteversion, there is a statistically significant difference in the CCD angle measured between the two projections. This difference can be up to almost 10°. Surgeons should be aware of the limitation of the AP projection when planning for surgery on the hip. Key words femoral neck anteversion, CCD angle, templating, preoperative planning.