Comparative functional outcome of supracondylar femoral fracture stabilized with cross and end threaded intramedullary pinning in dogs

KIRANDEEP KAUR GILL; ASHWANI KUMAR; VANDANA SANGWAN; ARUN ANAND; SHASHI KANT MAHAJAN; JITENDER MOHINDROO

doi:10.56093/ijans.v88i2.79313

Authors

KIRANDEEP KAUR GILL M.V.Sc. Scholar, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab 141 004 India
ASHWANI KUMAR Associate Professor, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab 141 004 India
VANDANA SANGWAN Assistant Professor, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab 141 004 India
ARUN ANAND
SHASHI KANT MAHAJAN Professor, Department of Veterinary Surgery and Radiology, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab 141 004 India
JITENDER MOHINDROO Professor, Department of Veterinary Surgery and Radiology, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab 141 004 India

https://doi.org/10.56093/ijans.v88i2.79313

Keywords:

Dog, Functional outcome, Goniometry, Orthopaedic surgery, Stifle joint stiffness, Supracondylar femur fracture

Abstract

The study was conducted on 24 clinical cases of dogs (with 26 fractures) suffering from supracondylar fractures of femur which were stabilized using cancellous negative intramedullary (IM) end-threaded pin with 5 screws (Group I, n=8), cross-pinning (Group II, n=8, 9 fractures) and cancellous negative end threaded IM pin having 10– 18 threads (Group III, n=8, 9 fractures). Data collected included signalment, fracture characteristics (etiology, duration, Salter-Harris classification, pre-operative and post-operative displacement), surgical information (implant size, surgical duration) and outcome assessment (functional outcome and complications). Cross pinning technique used to stabilize supracondylar fracture of femur adversely affects flexion angles of stifle joint leading to joint stiffness compared to either of the end threaded pinning techniques; however, extension angles remain unaffected. Early weight bearing in group II suggested that crossing pinning is a rigid fixation technique compared to either end threaded pinning techniques. Minor implant related complications were recorded in group II (3) followed by group 3 (2) and group 1(1) which were managed successfully. Though fixation of supracondylar fractures using double armed end threaded pin with 5 cancellous negative threads was associated with shorter duration of surgery, and fewer postoperative complications; however, based on formation of minimal and smooth callus and better functional outcome, conventional end threaded pin with 10–18 cancellous negative threads was assessed to be a better fixation technique and was recommended for the repair of supracondylar fractures of femur in dogs.

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