Abstract
Introduction: Management of fractures shaft of humerus is always a challenging problem to deal with as they are very frequently associated with complex multiple injuries. Interlocking nails have gained popularity now a days for stabilization of humeral shaft fractures due to load sharing nature of implant, preservation of fracture hematoma, minimal exposures and rigid fixation with early mobilization.
 Objective: The objective of the study was to assess the outcome of the fracture shaft of humerus stabilized with interlocking nail.
 Methodology: A Prospective clinical study was done on fifty patients of fractures shaft of humerus stabilized using antegrade interlocking nail.
 Results: The most common causes of fractures shaft of humerus was road traffic accident (66%). The average union time was 12.7± 1.3 weeks. About 8% had delayed union and 10% had non-union which were treated with bone graft. There was no deep infection but two (4%)had superficial infection in open Gustilo grade II fracture. Four cases (8%) had radial nerve injury, mostly neuropraxias, which recovered in three months. There were 12 cases of significant restriction of shoulder movements which was resolved in six weeks after guarded physiotherapy.
 Conclusion: Closed interlocking nailing is a least invasive surgical option available to manage complex humeral shaft fractures.
Highlights
Fractures of humeral sha are commonly encountered by orthopedic surgeons, accoun ng for approximately 3-5% of all fractures.[1,2,3] Conserva ve treatment of humeral sha fractures is well established, but has limita ons in cases of extensive so ssue injury and nerve injury, mul ple fractures, non -compliance or obesity
Four cases (8%) had radial nerve injury, mostly neuropraxias, which recovered in three months
Func onal Evalua on of Fracture Sha of Humerus Treated by Antegrade Closed Interlocking Nail
Summary
Fractures of humeral sha are commonly encountered by orthopedic surgeons, accoun ng for approximately 3-5% of all fractures.[1,2,3] Conserva ve treatment of humeral sha fractures is well established, but has limita ons in cases of extensive so ssue injury and nerve injury, mul ple fractures, non -compliance or obesity. Open reduc on with internal fixa on is gold standard of surgical treatment, but problems such as excessive so ssue stripping, radial nerve injury, difficulty with complex fracture pa erns, risk of infec on and nonunion are well recognized. Humeral interlocking nail were introduced to reproduce the success seen with similar devices used in the lower extremi es. For this reason, interlocking nail fixa on has become increasingly popular, offering load sharing biomechanics rota onal control and length stability.[4,5] There is considerable debate regarding the best method of trea ng humerus fractures. A method closely approaching this perfec on is interlocking nails
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