Abstract
The classic dynamic hip screw fixation of intertrochanteric fractures may be associated with significant blood loss and soft tissue damage, which may worsen existing comorbidities of frail elderly patients. Recently, minimally invasive dynamic hip screw (MIDHS) technique was developed for osteosynthesis of intertrochanteric fractures. A highly sensitive search strategy was used to identify all published randomized or quasi-randomized controlled trials (RCTs/ qRCTs) and comparative observational studies comparing the MIDHS technique with the conventional dynamic hip screw (CDHS) technique in patients with intertrochanteric fractures. A pooled estimate of effect size was produced using both random and fixed effects models. Four RCTs/qRCTs and 2 retrospective comparative studies were identified. The MIDHS technique resulted in less blood loss, shorter hospitalization, lower pain level, faster fracture healing, and better hip function when compared with the CDHS technique. There was no significance difference between the 2 groups with regard to postoperative complications and implant position. The MIDHS technique may achieve perioperative benefits when compared with the CDHS technique.
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