Fractures of the upper part of the femur treated with Mitkovic selfdynamisable internal fixator (SIF)

Mitkovic, B Milorad; Bumbasirevic, Z; Milenković, Saša; Micić, Ivan; Mitković, Milan; Mladenović, Sanja; Todorovic, D Momcilo

doi:10.2298/aci1004103m

Cited by 5 publications

(5 citation statements)

References 10 publications

(22 reference statements)

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“…It has the possibility of dynamisation in two axes (the femoral neck axis and the long femoral axis) and the operative technique is relatively simple, with minimal need for fluoroscopy [42]. …”

Section: Discussionmentioning

confidence: 99%

Results of the femur fractures treated with the new selfdynamisable internal fixator (SIF)

Mitković

Milenković

Micić

et al. 2011

Eur J Trauma Emerg Surg

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PurposeAs axial dynamisation is a recognised method, many authors using interlocking femoral nail perform an additional small operation two months after the primary operation in order to remove one screw so as to provide axial dynamisation. According to the literature, dynamisation happens in about 15–25% of cases, but it cannot be predicted which patient or fracture will need dynamisation. The aim of this study is to present a new selfdynamisable implant and a minimally invasive method for the internal fixation of different femoral fractures.Materials and methodsThe study was conducted between 2000 and 2008 and included 849 patients with 871 fractures receiving the selfdynamisable internal fixator (SIF) for proximal, diaphyseal and distal femur fractures.ResultsThe average operative time was 44 min (23–119 min) and the average fluoroscopy time was 12 s (6–92 s), while the average blood loss was 90 ml (60–250 ml) when a minimally invasive technique was used. None of the patients developed complications during the intra-operative period. Complete follow-up was available in 726 patients with 738 fractures. The healing time was 3.9 months (3–9 months). Healing was achieved in 99.1% of patients. Superficial infection developed in seven fixations (0.9%), while deep infection developed in four patients (0.5%). Screw-breaking occurred within 6–18 weeks in 19 fixations (2.6%). Cut-out phenomenon happened in 24 cases. Spontaneous axial dynamisation was observed in 71 (23.8%) out of 738 fractures, being 5 mm on average (2–12 mm).ConclusionThe SIF is an effective method for the treatment of femoral fractures. This method is particularly valuable in the treatment of comminuted fractures with regard to minimally invasive surgery.Electronic supplementary materialThe online version of this article (doi:10.1007/s00068-011-0157-7) contains supplementary material, which is available to authorized users.

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Section: Discussionmentioning

confidence: 99%

Results of the femur fractures treated with the new selfdynamisable internal fixator (SIF)

Mitković

Milenković

Micić

et al. 2011

Eur J Trauma Emerg Surg

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“…IM nail method provides the transition from initially rigid to dynamic fixation mode by additional later surgery (interlocking screw removal). In the SIF method, this transition happens spontaneously, without any need for additional surgery, by the clamps spontaneous "unlocking" resulted from the effect of biomechanical forces on initially locked clamps (if the heal-ing process is slow or absent, resulting in longer implant load-bearing time) [16][17][18][19][20][21][22].…”

Section: Methodsmentioning

confidence: 99%

“…These fractures are commonly managed with intramedullary (IM) nails, proximal femur locking plates (PF-LCP), dynamic condylar screws (DCS), and 95°-angled blade plates [5][6][7][8][9][10][11][12][13][14][15]. Selfdynamisable internal fixator (SIF) with a trochanteric unit ( Figure 1) is a newgeneration implant used in the treatment of several thousand patients in many clinics including our institution [16][17][18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Operation time and intraoperative fluoroscopy time in different internal fixation methods for subtrochanteric fractures treatment

et al. 2018

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Introduction/Objective. Subtrochanteric fractures are unstable, tending to a varus, antecurvatum, and shortening deformity. The aim of this paper was to compare operation time and fluoroscopy time between different internal fixation methods in the treatment of subtrochanteric fractures. Method. The prospective study of the group of 27 patients with a subtrochanteric fracture treated by the SIF (selfdynamisable internal fixator with a trochanteric unit) method had been done. Operation time and fluoroscopy time values from this group were compared to the same parameters data from the literature for intramedullary (IM) nails, proximal femur locking plates (PF-LCP), dynamic condylar screws (DCS), and the 95?-angled blade plate. Results. In the SIF group, operation time was 62.2 (25?140) minutes and fluoroscopy time was 43 (20?95) s. Average operation time from the literature data was: 102.1 (43?181) minutes for IM nail, 94.2 (75?129) minutes for PF-LCP, 105.3 (70?166) minutes for DCS and 221.5 (171?272) minutes for blade plate. Average fluoroscopy time from the literature data was: 109.6 (34?250) seconds for IM nail, 102.3 (47?180) seconds for PF-LCP, 238 seconds for DCS. Operation time and intraoperative fluoroscopy time were higher in IM nail, PF-LCP, DCS and blade plate comparing to SIF method (p < 0.05). Conclusion. The above mentioned difference could be explained by a degree of required accuracy in the initial operative technique maneuvers, by used number of screws and by the type of the fracture reduction performance in different fixation methods. Operation time during IM nailing of subtrochanteric fractures sometimes can be shorter than average operation time in SIF method, what could be explained by the skill of the surgeon to perform as fast closed reduction for insertion of guide wire. [Project of the Serbian Ministry of Education, Science and Technological Development, Grant no. III41017: Virtual human osteoarticular system and its application in preclinical and clinical practice]

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“…External fixation also has a role in the treatment of osteoporotic fractures. Authors of this paper have a good experience with the use of Mitkovic type Selfdynamysable Internal Fixator, especially in the treatment of osteoporotic proximal, diaphyseal and distal femoral fractures and of periprosthetic femoral fractures after hip or knee arthroplasty [2][3][4][5] .…”

Section: Introductionmentioning

confidence: 99%

Surgical treatment of osteoporotic fractures

Milenković

Mitković

Mitković³

2017

VOJNOSANIT PREGL

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Fractures of the upper part of the femur treated with Mitkovic selfdynamisable internal fixator (SIF)

Abstract: SIF is one effective minimally invasive method for the treatment of complex trochanteric and subtrochanteric femoral fractures.

Cited by 5 publications

References 10 publications

Results of the femur fractures treated with the new selfdynamisable internal fixator (SIF)

Results of the femur fractures treated with the new selfdynamisable internal fixator (SIF)

Operation time and intraoperative fluoroscopy time in different internal fixation methods for subtrochanteric fractures treatment

Surgical treatment of osteoporotic fractures

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