An impatient driver who knocked down an OAP after reversing to escape traffic has narrowly avoided prison. Danny Lowe, of Birchington, caused his elderly victim life-changing injuries that have left her a “nervous wreck” and “isolated” in her own home. But the 43-year-old has been spared an immediate spell behind bars after magistrates heard he had been struggling with his mental health at the time of the incident and has since been “wracked with guilt”. The court in Margate was told Barbara Harden had been crossing Salisbury Avenue inRamsgate on October 17 last year when Lowe reversed his BMW…