Bracing for a rocky 2008, investors in health-care stocks are increasingly moving their cash out of "one-hit" wonder drug developers and into companies with broader-based product portfolios, according to analysts at Cowen and Co.

Latent TB in healthcare workers is a major threat to patients. Traditional  tests have too often been unable to detect the condition reliably. A new  blood test looks set to change this, which is good news for patients - and  healthcare workers.

Research continues into new ways of preventing and curing A-Fib, boosted  by ever-increasing new     technologies. Catheter ablation has become a  mainstream treatment for the disease due to greater     technological  accuracy.

An osteoconductive and osteoinductive biphasic ceramic replacement for  bone loss could be an  alternative to grafts. The safety and efficacy of this  material has been shown in preclinical and clinical trials, demonstrating its  suitability.

The Kalangos® ring was developed for pediatric annuloplasty to preserve  the growth potential of the     child's heart. It is also suitable for adult  annuloplasty by extension. This now commercially available     device made of  biodegradable polydioxanone induces the growth of autologous fibrous  tissue that     reinforces the deficient annulus.

A new method has been developed for diagnosing gastro-oesophageal reflux disease and assessing treatment progress.