Humerus, shaft
Classification
The Müller AO Classification 220
Introduction
13.1 Humerus, shaft—introduction Theerachai Apivatthakakul, William Belangero, Bruno Liviani 221
1 Introduction 221
1.1 Incidence 221
1.2 Current methods of treatment 221
1.3 Indications and contraindications for MIPO 221
2 Surgical anatomy 222
2.1 Bone 222
2.2 Muscles 223
2.3 Nerves 223
2.4 The safe zone of the humerus 223
3 Preoperative assessment 224
3.1 Anesthesia 224
3.2 Patient and image intensifier positioning 224
3.3 Implants 224
4 Operative procedure 225
4.1 Surgical approach 225
4.2 Preparation and introduction of the plate 225
4.3 Reduction and fixation 226
4.4 Distal humeral fractures with radial nerve palsy 227
5 Postoperative care 227
6 Pitfalls 228
7 Pearls 228
8 Reference 229
9 Further reading 229
Cases
13.2 Humerus shaft: wedge fracture, bending wedge—12-B2 Theerachai Apivatthakakul 231
13.3 Humerus shaft: complex fracture, irregular—12-C3 Theerachai Apivatthakakul 237
13.4 Humerus shaft: complex fracture, irregular—12-B3 Chang-Wug Oh 243
Classification
The shaft of the humerus is assigned the number 12 according to the Müller AO Classification. There are three types of humeral shaft fracture: simple (12-A), wedge (12-B), and complex (12-C).
The Müller AO Classification
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