Complex sentence: Any open chest wound is covered, as it carries a high risk of leading to tension pneumothorax, ideally with a dressing called the Asherman seal, which appears to be more effective than standard "three-sided" dressing.
Split into simpler sentences: Any open chest wound should be covered, as it carries a high risk of leading to tension pneumothorax. Ideally, a dressing called the "Asherman seal" should be utilized, as it appears to be more effective than a standard "three-sided" dressing.