“…The advantages of NA, introduced by King in 1961 [357], encompass: easy-to-learn, easy-to-perform, rapid confirmation of a clinical suspicion, minimal trauma, good tolerance, immediate relief, no surgical/anesthesiological risks, low pain intensity [301], [304], [305], [358]. However, some disadvantages have to be mentioned, such as: painful procedure, aspiration of leaking pus, potential risk of painful re-draining, and the risk of damaging the internal carotid artery [288]. …”