Surgical Management of Proximal Humeral Fractures Using the Hackethal (Zifko) Method – A Case Review

Česká verzia

Authors: K. Šmejkal; T. Dědek ^*; I. Žvák; J. Trlica ^*; J. Folvarský ^*; I. Počepcov ^*; J. Zahradníček ^*; T. Holeček ^*; J. Kočí ^*; M. Frank
Authors place of work: Katedra válečné chirurgie, Fakulta vojenského zdravotnictví UO, Hradec Králové vedoucí katedry: doc. MUDr. Alexander Ferko, CSc. ; Chirurgická klinika, Fakultní nemocnice Hradec Králové, přednosta: doc. MUDr. Alexander Ferko, CSc. ^*
Published in the journal: Rozhl. Chir., 2008, roč. 87, č. 2, s. 101-107.
Category: Monothematic special - Original

Summary

Background:
Fractures of the proximal humerus actually represent 5% of all fractures and 45% of all humeral fractures with the highest incidence in women over 60 years of age. The outcomes of the greatest concern at these patients (pain, function of the shoulder and activities of daily living) get worse with age, osteoporosis, grading of fracture type and of initial fracture displacement [1]. According to the literature (Evidence Based Medicine – EBM level II–III) operative treatment of displaced fractures reduces pain and need for assistance in activities of daily living, but open reduction with internal fixation by conventional screws and plates was connected with implant loosening, infection and avascular necrosis, whereas closed reduction with different methods of miniinvasive percutaneous stabilisation is threatened by primary malreduction.

Aim:
Evaluation of clinical and functional outcomes and analysis of results of proximal humerus fractures treated by closed or percutaneous reduction and intramedullary fixation by means of bundle of Kirschner wires after Zifko [2].

Design:
Retrospective descriptive study – case serie.

Material and methods:
Within January 1, 2005 – December 31, 2005 there were 87 patients with 87 two- and three-fragments fractures of proximal humerus (according to Neer’s classification) operated at our institution, from which 76 by the method after Zifko. 36 patients from these 76 came to final evaluation (follow-up rate 47%). AO fracture types were: A2–36%, A3–33%, B1–19%, C1–12%.

Results:
The resulting Constant-Murley (CM) [3] score reached in mean 89 points with 89% of excellent – good functional results. Complications were recorded in 30% of cases and were represented mainly by proximal migration of K-wires. Avascular necrosis of humeral head occured in two cases (5,5%).

Conclusion:
In spite of low follow-up rate we conclude, that the method of closed reduction and intramedullary fixation of two- and three-part fractures of proximal humerus after Zifko offers above-average final results with acceptable rate of complications, mostly not severe ones. The essential pre-condition of good result is proper reduction – closed of percutaneous one. On the contrary, suboptimal results correlate with primary and secondary malreductions.

The incidence of latter increases in intraarticular fracture types with small fragment of head and thus with insuficient implant retention. To evaluate the merit of the method in relation to angle-stable extra-/ or intramedullary implants, the prospective trials are needed.

Key words:
proximal humeral fractures – intramedullary Kirschner wires – minimal invasive osteosynthesis

Zdroje

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