VSE knjižnice (vzajemna bibliografsko-kataložna baza podatkov COBIB.SI)
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Patient-matched instruments versus standard instrumentation in total knee arthroplasty : a prospective randomized studyMoličnik, Andrej ; Naranđa, Jakob ; Dolinar, Drago, 1966-Background. Optimal positioning of implants and restoration of neutral mechanical axis are two primary surgical goals in total knee arthroplasty (TKA). Despite modern instruments and improved ... surgical techniques, malalignment remains an important cause of early failure after TKA. The aim of this prospective randomized study was to compare the value of a new patient-matched instrument system (PMI) (SignatureTM; Biomet, Inc, Warsaw, Indiana) to that of standard TKA surgical instrumentation (STD) in terms of coronal mechanical alignment, time of operation and blood loss. Methods. A total of 38 patients waiting for primary TKA were enrolled and randomized into two groups (19 PMI and 19 STD). Magnetic resonance imaging was performed in all patients in the PMI group, and specific instruments for the femur and tibia were designed preoperatively. All patients were operated on using the standard medial parapatellar approach with no use of tourniquet. Mechanical axis, time for the operation, and blood loss were evaluated. Results. Patients in both groups had comparable age, body mass index, preoperative mechanical axis, Knee Society Score, and level of hemoglobin. Postoperative results showed that the PMI group fell significantly closer to neutral mechanical axis (STD: 2.7 +/- 1.7, PMI: 1.7 +/- 0.9; P = 0.013) with no outliers and a reduced time for the operation. There was no difference in the evaluation blood loss. Conclusions. The use of PMI can contribute in achieving better mechanical axis with reduction in outliers and decreased operation time. Due to small differences between PMI and standard instruments, additional research are needed to confirm these preliminary results, and to discover potential benefits and functional improvements in the long-term outcome.Vir: Wiener Klinische Wochenschrift. - ISSN 0043-5325 (Jg. 127, suppl. 5, 2015, str. S235-S240)Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasleLeto - 2015Jezik - angleškiCOBISS.SI-ID - 5364287
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Moličnik, Andrej | 25128 |
Naranđa, Jakob | 37998 |
Dolinar, Drago, 1966- | 17905 |
Vir: Osebne bibliografije
in: SICRIS
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