The role of oral magnesium supplements for the management of stable bronchial asthma: a systematic review and meta-analysis.

Asthma is a chronic lung disease characterized by airway inflammation and hyper-responsiveness of airway smooth muscles. There is growing evidence that magnesium may have a role in managing asthma through its dual effect as an anti-inflammatory and bronchodilating agent. To assess the efficacy of oral magnesium supplements in chronic asthmatic patients.

Total knee arthroplasty: Effect of obesity and other patients' characteristics on operative duration and outcome.

Aim: To examine the effects of patients' characteristics mainly obesity on operative duration and other outcome measures of knee arthroplasty.

Methods: This is a retrospective chart review of 204 patients who had knee arthroplasty within the past five years (2007-2011) at King Abdulaziz Medical City in Riyadh, Kingdom of Saudi Arabia. The data collection form was developed utilizing the literature review to gather all the needed variables.