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BACKGROUND: Congenital knee dislocation is a very rare musculoskeletal disease, and it occurs in approximately 1 per 100,000 live births. Many researchers note that the treatment of congenital knee dislocation should begin with conservative methods, during which various complications arise. AIM: This study aimed to compare the clinical and radiological classifications of congenital knee dislocation and show the results of the treatment of this deformation using a Von Rosen splint and plaster corrections. MATERIALS AND METHODS: The study included 58 patients (34 boys and 24 girls) with congenital knee dislocation (83 knee joints). Congenital knee dislocation with arthrogryposis and other systemic pathologies were not included in the study. Before treatment, all patients were assessed for the severity of congenital knee dislocation according to the Tarek and J. Leveuf system. To evaluate the obtained results, nonparametric statistics were used. To search for differences between groups, the KruskalWallis test and the median test were used. To search for correlations, Spearman coefficients were used. Statistica v10 was used for statistical analysis. RESULTS: Clinical and radiological data were compared. In both groups, after conservative treatment, excellent and good results were obtained in nearly 98% and satisfactory in 2%. After conservative therapy, surgical treatment was required in 2 of 37 knee joints with the initial severity of Tarek III deformity. CONCLUSIONS: The severity of the deformity according to the Tarek system makes it possible to predict the effectiveness of the conservative treatment of congenital knee dislocation at a statistically significant level.

Despite the rapid progress in medicine, today there is no clear protocol for the management of patients with such a rare disease as congenital dislocation of the knee (CDK). Analysis of the data shows that in the main percentage of cases, after ineffective conservative treatment, patients undergo late surgical intervention, which entails great number of complications and does not improve outcomes. This trend is associated with the lack of strict time limits for the start of medical care due to the lack of guidelines regulating the work. Aim of the study was study modern approaches to conservative and surgical treatment of patients with congenital dislocation of the knee based on a systematic analysis of the literature. Systematic analysis of literature sources on databases PubMed, Scopus, eLibrary, CyberLeninka, bibliography of key articles. Preparing the preliminary plan of correction and early initiation of treatment of congenital dislocation of the knee significantly increases the rate of positive outcomes of this disease. It is worth noting that using a less invasive approach to initiating treatment of congenital dislocation of the knee avoids a number of complications. Based not only on the classification of the stage of the severity, but also on the degree of contracture of the quadriceps muscle, it is possible to determine the possibilities of restoring the work of the joint, which proves the need to improve the knowledge gained. There is a need to organize the provision of medical care to patients with congenital dislocation of the knee on the basis of improved classifications that correspond to modern ideas about the outcomes of orthopedic treatment in patients with CDK.

Background. Congenital knee dislocation is a rare disease of the musculoskeletal system (1 in 100,000 live births). In the literature, few studies have described the anatomical changes characteristic of this pathology, which are only revealed during surgical treatment. Aim. This study aimed to evaluate the pathomorphological features of the ligamentousarticular apparatus and thigh muscles with congenital knee dislocation on autopsy material. Materials and methods. The study included two fetuses with bilateral congenital knee dislocation after spontaneous miscarriage at 18 and 20 weeks of gestation and one stillborn fetus with bilateral congenital knee dislocation at 29 weeks of gestation. The comparison group was composed of two fetuses after spontaneous miscarriages at 18 and 20 weeks of gestation and one stillborn fetus at 25 weeks of gestation without anomalies of the lower extremities. Results. Various abnormalities and displacements of the anatomical structures, as well as degenerative dystrophic changes in the soft tissues during histological examination, were found. Pathomorphological changes in the control group were not detected. Conclusion. Pathomorphological changes are the main manifestations of congenital knee dislocation in the studied fetuses.

Backgrоund. Congenital clubfoot or congenital equino-cava-varus deformity of the feet is one of the most common pathologies of the musculoskeletal system in children. Numerous articles in global literature have been published about changes in clubfoot severity during treatment; however, there are very few reports on how the severity of foot deformities with congenital clubfoot changes during the first week of life in the absence of deformity correction. Aim. To analyze changes in the severity of congenital clubfoot in the first week of life without any treatment. Materials and methods. The study group included 28 newborns with idiopathic congenital clubfoot (a total of 40 feet). The severity of clubfoot was evaluated on days one and seven after birth using the Dimeglio and Pirani scores. Results. During the initial examination of the newborns on the first day of life, the clubfoot severity recorded on the Pirani score was between 2 to 3 points and between 9 to 15 points on the Dimeglio score. Thus, in the first seven days of life in all patients who did not receive treatment, there was a significant increase in the severity of the equino-cava-varus deformity of the feet (p 0.05). The results of this study confirm that the severity of congenital clubfoot increases in the first week of life. This necessitates the beginning of the correction of severe idiopathic clubfoot in the first days after birth. Conclusions. The severity of congenital clubfoot during the first week of life significantly increased in all feet studied (p 0.05: 2 higher than in the table). If left untreated in the first week after birth, the equinus deformity progresses followed by varus deformity, anterior forefoot reduction, and, to a lesser extent, rotation.

Introduction. Jacobsen syndrome, characterized by multiple developmental anomalies, is a rare genetic syndrome caused by a partial deletion of the long arm of the 11th chromosome. The incidence is 1 : 100,000 live births. Patients of this group have malformations of the heart, kidneys, gastrointestinal tract, central nervous system, and skeleton. The severity of clinical features is diverse. Jacobsen syndrome rarely combines with a congenital clubfoot. Case report. The clinical case of using the Ponseti method for the treatment of congenital clubfoot in combination with Jacobsen syndrome is presented. As a result, a complete primary correction of the foot was obtained, which did not relapse within 2 years. Discussion. Only brief references to this pathology were found in the literature. In the case of our patient, a greater number of gypsum dressings were required to complete the primary correction of the foot. Conclusion. Painless foot has been achieved, which has a full range of motion, which confirms the success of the application of the Ponseti method for the treatment of non-idiopathic congenital clubfoot and the need for using it as a starting method.

Background. Congenital dislocation of the knee (CDK) is a rare abnormality of the musculoskeletal system, with an incidence of 1 per 100,000 liveborn infants. Timely prenatal diagnostics and treatment during the initial days of life can help avoid the development of disabilities in a child. Aim of the study. We aimed to study the possible prenatal ultrasound diagnostics and to assess the efficacy of early orthopedic alignment using conservative methods of treatment. Materials and methods. From January 1988 to February 2016, 37 newborns (50 lower limbs) with CDK were treated. The initial assessment of the affected limbs was performed immediately after birth. To determine the severity of dislocation, the Seringe and Tarek classifications were used. Conservative treatment was performed for all the patients. The age of pediatric patients at the time of treatment onset ranged from 2 hours to 5 days. Various methods were used, such as stage plaster bandages (10 lower limbs) and correction using the von Rosen splint (8 lower limbs). Since 2003, a single treatment protocol, developed by the authors of this study, has been applied. Results. The prenatal ultrasound screening enabled the detection of CDK before birth in 21% of cases. Long-term results (catamnesis from 3 to 28 years) were evaluated by the Seringe scale and were excellent in 60%, good in 32%, and satisfactory in 8% of cases. Bad results were not registered. All the pediatric patients included in the study began to walk independently at the age of 9–18 months. Conclusion. Prenatal ultrasound diagnosis enables the detection of CDK. Treatment of newborns, started in the first hours of life, according to the protocol developed by the authors, enables the alignment of the dislocated lower leg in a short time, without using prolonged stage plaster bandages. Long-term results demonstrate the efficiency of the proposed methodology.