This study demonstrates that in comparison with CM, VM routinely yields more lymph nodes with fewer complications with a tendency towards better accuracy and negative predictive value. For these reasons, we believe that VM should replace CM as the method of choice. Furthermore VM would allow standardisation, thereby having an advantage in comparison to the less invasive newer staging techniques. This way mediastinoscopy could remain the gold standard despite its invasiveness.
These preclinical studies showed that the mediastinum could be reached by a trans-oral endoscopic approach, based on natural orifice surgery. Complete compartment resection of the paratracheal and subcarinal lymph node stations was possible in a well-defined and clearly visible working space. This approach may enhance the extent of mediastinal resections in oncologic surgery.
Bronchial stump insufficiency after pneumonectomy is a severe problem and there is still debate about the appropriate method (transthoracic or transsternal) for reclosure. Access through a sterile operative field for a successful redo-procedure seems to be important so an alternative to the open methods could be the video-mediastinoscopy as it allows approaching the bronchial stump via the mediastinum. Previously in 1996 Azorin performed the first mediastinoscopic reclosure by stapling an early insufficiency after left pneumonectomy. We report the first case to our knowledge of resection and reclosure in bronchial stump insufficiency via mediastinoscopy. An HIV-positive man presented with late bronchial stump insufficiency after left pneumonectomy for lung cancer. The cause was a long bronchial stump and there was no sign of tumour recurrence. Decision was made for a video-mediastinoscopy and resection and reclosure successfully performed by using an endostapler device. Postoperative bronchoscopy at six months revealed a well-healed stump and two years postoperatively the patient is doing well. The mediastinoscopic approach is a novel option in highly selected patients. It warrants minimal surgical trauma; however, one has to be prepared to convert to an open technique immediately.
Recently, an increasing number of an uncommon weapon type based on a caliber 6-mm Flobert blank cartridge actuated revolver which discharges 10-mm-diameter rubber ball projectiles has been confiscated by police authorities following criminal offenses. A recent trauma case presenting with a penetrating chest injury occasioned an investigation into the basic ballistic parameters of this type of weapon. Kinetic energy E of the test projectiles was calculated between 5.8 and 12.5 J. Energy density ED of the test projectiles was close to or higher than the threshold energy density of human skin. It can be concluded that penetrating skin injuries due to free-flying rubber ball projectiles discharged at close range cannot be ruled out. However, in case of a contact shot, the main injury potential of this weapon type must be attributed to the high energy density of the muzzle gas jet which may, similar to well-known gas or alarm weapons, cause life-threatening or even lethal injuries.
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