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Biomedical subjects

M Mitković

Publications and source records attributed to M Mitković.

8 recordsLinked to original sources
PubMed2005

[Modern aspects of shoulder injury treatment].

The article describes injuries of soft and bone structures of the shoulder region, with special emphasis on the following clinical forms: instabilities and luxations of the glenohumeral joint, fractures of the proximal humerus, clavicle and the states of painful shoulder. Fractures and dislocations, but also significant entities - painful states caused not only by fractures but also by minor trauma such as tendinitises and m.supraspinatus tendon and bicipital tendon ruptures are discussed in more detail. Moreover, their consequences - painful and stiff shoulder - as well as modern diagnostic and therapeutic procedures applied in the painful shoulder treatment are also discussed.

Humans↗
PubMed2005

[Modern aspects of the ankle fracture treatment].

The ankle fractures continue to be a topical issue in orthopedic surgery. X-ray diagnostics, but primarily also other modem diagnostic procedures such as CT, MRI, and arthroscopy enable detection of not only fractures but also osteocartilaginous fractures and soft-tissue ligamentary lesions, which are frequent causes of pain and instability of the ankle. The key segment is the posterio-lateral segment and tibio-fibular syndesmosis whose integrity is sometimes only surgically establishable. In the ankle treatment, stable fixation - since recently by means of resorptive osteofixation materials - and early rehabilitation of the operated ankle are aimed at. The open and pylon fractures, as the most severe forms of ankle fractures, are treated by external fixation with minimum internal fixation (hybrid fixation) of the ankle with conversion of the rigid into a dynamic (articulated) external fixator enabling movement and nutrition of the damaged articular cartilage.

Ankle Injuries↗
PubMed2005

New concept in external fixation.

A new concept in external skeletal fixation is presented. A 3D unilateral system developed by Mitkovic has widely been investigated biomechanically in AO institute in Davos (Switzerland). Consists of three components only providing extremely simple application and dynamic fixation of bones and different joints. This simple external fixator functions as an accurate reduction device at the same time, minimizing need for fluoroscopy. Clinically this system has been applied to mere then 13 thousand patients in 43 clinics. This paper presents the results of its application for treatment of open fractures, war wounds with fractures and for comminuted and intraarticular closed fractures in the series of 597 patients. Overall average time for union time was 3.2 months. Overall success of fracture healing was 96.8% including open and closed fractures. Our study suggests that the use of this 3D unilateral system is suitable for routine use.

Adult↗
PubMed2005

New biological method of internal fixation of the femur.

One of the main goals in fracture treatment is reservation of both intramedular and periosteal vascularisation. The aim of this paper is to show a new method of internal fixation which accomplishes these goals. The paper presents the results of clinical application of Mitkovic Internal Fixator, new self-dynamisable device, which provides fixation of the femur using minimally invasive technique. This device has been investigated experimentally on 60 animals. It has been applied to 267 patients. Here is presented a series of 92 fixations of femoral diaphyses after fresh fractures and after unsuccessful treatment using other methods. Follow-up was 3.1 years (2 to 7 years). Bone healing was achieved in all patients within 3.5 months (2.7-9 months) with big amount of periosteal callus formation. There were no complications in all patients seen. It can be concluded that this method and device meet biological and biomechanical requirements for safe fracture treatment.

Adolescent↗
PubMed2005

Reconstructive procedures on lower extremities using Mitkovic external fixation system.

The results of limb lengthening, correction of limb deformities and solving of bone loss, by the use of Mitkovic external fixation system and minimally invasive technique on the series of 96 operations in 89 patients are shown. Only lower extremities were included in this series. The advantages of this external fixation system in comparison to other systems are pointed out. The main advantages are the optimal biomechanical conditions including unilateral but 3-dimensional frame, which provides conditions very similar to natural biomechanical features of the human long bones, simplicity of application and low cost. The received result was excellent or very good in 98.4%. Maximal limb lengthening was 18 cm (at the same time in the femur and the tibia). Angular deformity correction is extremely simplified with minimized possibility of complications. The frame for bone transport is very simple. It can be concluded that presented methods are suitable for routine use.

Bone Lengthening↗
PubMed2004

[Dynamic internal fixation of the periprosthetic femoral fractures after total hip arthroplasty].

Periprosthetic fractures of the femur after total hip arthroplasty are a big orthopaedic problem, particularly in elderly patients and quite a challenge for orthopaedic surgeons. There is no universal method in treating these fractures. Rigid plates fixation can be limited and aggravated especially in the proximal part of the femur where the endoprosthesis stem does not allow for an undisturbed fixation of both femur cortexes by means of screws. Mitkovic's dynamic internal fixator is an original implant allowing for an undisturbed fixation of both femur cortexes regardless of the presence of the endoprosthesis stem. Fixation is made possible by means of movable clamps and a convergent possibility to place screws. A dynamic internal fixator can fix all types of periprosthetic femoral fractures. The paper shows the early experience in fixating periprosthetic femoral fractures after total hip arthroplasty in 14 patients, average age 69.7. According to Vancouver classification, 3 patients had the type A fracture, 9 patients had the type B fracture, and 2 patients had the type C fracture. All fractures were fixed by Mitkovic's dynamic internal fixator. The fracture occurred 2-12 years after primary total hip arthroplasty. The follow-up of the operated patients was 12 months. The method is less invasive than the methods described in books. Mechanical complications are not likely to appear due to the fracture dynamics along the femoral shaft axis, which is made possible by this implant. Our initial experience in femur fracture fixation after hip arthroplasty ahows that it is modern and effective dynamic implant which will contribute significantly to the improving of the treatment of these often very complicated fractures.

Aged↗
PubMedDate not supplied

[The duration of surgical procedures as a factor in the development of postoperative osteomyelitis].

In the period from January 1st, 1969, to December 31st, 1988, 585 osteosyntheses of the closed bone fractures of lower limbs were performed at the Orthopedic department at the Military Hospital in Nis. At the same period 25 postoperative osteomyelitis were registered, i.e., 4.27%. The average duration of osteosynthesis in the tested group of patients was 84.6 minutes, and 54 minutes in control group. The difference of the average duration of osteosynthesis between groups was significant. The type and size of metal implants did not directly affect the evolution of postoperative bone infection unless the correct implantation was done and unless they were made of standardized leaguers.

Adolescent↗