Purpose Risk factors for meniscal tears play a decisive role in deciding on treatment and rehabilitation. The purpose of this study was to investigate the efect of tibial rotation on medial meniscus posterior horn tears (MMPHTs). Methods This study is a retrospective case-control study. Fifty patients with meniscal tears and 57 knees with intact meniscus were compared. Tibial rotation, femoral version, tibial slope and knee varus were measured in each participant. Knee osteoarthritis was classiied according to the Kellgren-Lawrence classiication. Demographic characteristics were noted. Results There were signiicant diferences in the mean tibial torsion angles and mean mechanical axes between the groups. The mean tibial rotation and mean mechanical axis were 26.3° ± 6.7 and 3.7° ± 2.7 in the MMPHT group and 30.3° ± 8.4 and 2.05° ± 2.7 in the control group, respectively (p = 0.008, p = 0.002). ConclusionThe current retrospective study has shown that tibial rotation is markedly reduced in patients with MMPHTs. Although the actual mechanism is not clear, the internal torsion of the tibia causes a decrease in the foot progression angle and increases the knee adduction moment, which in turn increases the medial tibial contact pressure. Internal torsion of the tibia, such as knee varus, may play a role in the aetiology of MMPHTs by this way. Whilst there was a signiicant diference in the mean varus and tibial torsion between the groups, there was no signiicant diference in the mean femoral version or tibial slope. Level of evidence III.
ABS and hemarthrosis had toxic effects on knee cartilage. The side effects were increased with the combination of hemarthrosis and ABS. As a result, ABS had unexpected effects on experimental hemarthrosis.
ÖzetAmaç: Motosiklet kazası nedeniyle ortopedik müdahale geçiren hastalarda risk faktörlerini değerlendirmeyi, kazaların önlenmesine ve meydana gelebilecek yaralanmaların ciddiyetinin azaltılmasına katkı sağlamayı amaçladık.Yöntemler: Çalışmada ortopedi ve travmatoloji acil polikliniğine 15 Temmuz 2008 ve 15 Ocak 2011 tarihleri arasında motosiklet kazası sonucu travma nedeniyle başvuran 49 hasta retrospektif olarak değerlendirildi. Yaş ve cinsiyeti, kaza anında sürücünün kask takıp takmadığı, eğitim düzeyi, sürücü belgesinin olup olmadığı, kazanın tarihi ve oluş şekli, ek patolojiler, uygulanan tedaviler ve motor hacmi gibi veriler içeren standart bir form tüm hastalar için dolduruldu. Bulgular:Olguların yaşları 16 ile 50 arasında değişmekte olup, ortalama 28,5±8,3 yıldır. Ortalama takip süresi 25,3 aydır. Kaza esnasında olguların %40,8'inde (n=20) sürücü belgesi, %73,5'inde (n=36) kask, %3,6'sında (n=15) mont, %18,4'ünde (n=9) dizlik ve %20,4'ünde (n=10) ayakkabı bulunmaktaydı. Olguların %24,5'inin (n=12) yapmış oldukları kazada ek organ yaralanması bulunmaktaydı. Çalışmaya katılan hastaların %26,5'inde tekli üst ekstremite kırığı, %6,1'inde çoklu üst ekstremite kırığı %55,1'inde tekli alt ekstremite kırığı, %8,2'sinde çoklu alt ekstremite kırığı, %4,1'inde hastada alt ve üst ekstremite kırığı birlikte saptandı. Olguların %51,0'ına (n=25) konservatif tedavi, %49'una (n=24) ise cerrahi tedavi uygulandı. Abs tractAim: The aim of this study was to evaluate the risk factors for injuries in individuals who received orthopedics treatment because of motorcycle accidents and to help preventing motorcycle accidents and reducing the severity of injuries. Methods:In this retrospective study, we included 49 patients who had musculoskeletal injuries due to the motorcycle accidents and were admitted to our orthopedics and traumatology clinic between July 2008 and January 2011. A standard questionnaire including information about age, gender, educational level of the patients and the time of accident; whether the patient had a protective gear and driving license or not, fracture site and pattern, type of treatments, and engine size was filled out by each subject. Results:The average age of the subjects was 28.5±8.3 years (range: 16-50). The mean follow-up period was 25.3 months. At the time of injury, 20 patients had a driving license (40.8%), 36 used helmet (73.5%), 15 wore cover (30.6%), 9 used knee pads (%18.4), and 10 subjects wore special shoes (20.4%). 24.5% of the subjects had an additional organ injury due to the accident. In this study, the frequency of single upper extremity fracture was 26.5%, multiple upper extremity fracture was 6.1%, single lower extremity fracture was 55.1%, multiple lower extremity fracture was 8.2%, and both upper and lower extremity fracture was 4.1%. 51% of cases had conservative treatment, while approximately half of the patients have undergone surgical intervention (49%). Conclusion:Motorcycle accidents should be considered as a whole. We think that improvement of the motorcycle drivers'...
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