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The knowledge of how to achieve effective pain relief is of major importance to all doctors and healthcare professionals that is treating patients undergoing surgery. Pain relief provides significant physiological benefits; hence, monitoring pain relief and its impact is increasingly becoming an important postoperative measurement of quality. The goal for postoperative pain management is to reduce or eliminate pain and discomfort with a minimum of side effects, in order to achieve fast recovery and fast discharge of patients as well as to avoid chronification of postsurgical pain (PSP). Since the pathophysiology of postoperative pain is understood to a great extent, this can be helpful in order to establish an effective multimodal analgesic plan. For the treatment of PSP, a multimodal analgesic approach, as a part of an enhanced recovery protocol, is the best option for the patient. Beyond nonopioid systematic analgesics, regional analgesia, peripheral blocks, infiltration techniques and opioid analgesics, patient education, and nonpharmacological options have a substantial role. Individuality of pain (different type of surgeries, different population, etc.) is one of the most important characteristics that physicians who treat patients after surgery should take into account.

Surgical resection and tracheal reconstruction are the most effective treatment options for airway stenosis. Tracheal surgery is challenging and requires a multidisciplinary approach and a highly specialized team of anesthesiologists and thoracic surgeons that are “sharing the airways”. Several airway management tools, different devices, and various approaches can be required to ensure ventilation and gas exchange. We describe the case of a patient affected by tight tracheal stenosis, submitted to tracheal resection and reconstruction via combined cervicotomy and sternotomy surgical approach. Airway management was successfully performed by i-gel® (Intersurgical, UK) supraglottic device.

The emergence of a novel coronavirus and coronavirus disease 2019 (COVID-19) represents a challenge to global healthcare. In the past 20 years, this is the third coronavirus that jumped the species barrier and infected humans. It is highly contagious but associated with low pathogenicity. First identified in Wuhan, China, a city of over 11 million, the disease has since spread to every continent except Antarctica. About 15% to 20% of all cases may be called severe, and it is believed many cases are asymptomatic. The average age of a person with COVID has been reported as 49 years. Worse outcomes are associated with geriatric populations and those with underlying diseases such as cardiovascular, respiratory disorders, and/or diabetes. The coronavirus, like other coronaviruses, is highly contagious and has a latency period of about 14 days. Most patients present with fever and a dry cough, but fever may be absent. Differential diagnosis can be challenging since influenza may present with similar symptoms. Chest radiography or computed tomography may be used to find evidence of secondary pneumonia. Nosocomial infection is of concern, and it has been reported that 3.8% of all cases with COVID-19 in that country involve healthcare workers in China. Most patients have mild disease, and supportive care suffices. A variety of repurposed and investigational drugs are being evaluated. There are currently no antiviral therapies or vaccines, even if many therapies are proposed. Hand hygiene, social distancing, and scientifically sound information are the best strategies at the moment to combat this epidemic.

Carbon monoxide (CO) inhalation is nowadays the most common cause of fatal poisoning worldwide. CO binds to haemoglobin 230–270 times more avidly than oxygen, thus leading to formation of carboxyhaemoglobin with subsequent reduction of tissue oxygenation. Brain is mainly affected due to its high oxygen requirement. Up to two-thirds of patients who survive the acute phase of this pathology present a delayed leukoencephalopathy, usually in a period ranging from two to 40 days. White matter damage closely relates to long-term prognosis of these patients. On the other hand CO seems to play a fundamental role as a possible neuro-protective agent in ischaemic stroke. Diagnostic imaging, with computed tomography and magnetic resonance imaging, especially magnetic resonance spectroscopy, is very useful to depict the presence and extension of this pathology, in both acute and late phase. Nevertheless, a correlation of imaging studies with clinical history and laboratory data is fundamental to perform the correct diagnosis. The purpose of this article is to highlight the imaging features of brain CO poisoning in acute and late phase, describing a case report of a 56-year-old man found unconscious at home.

Rosai-Dorfman disease (RDD) is a rare, benign, non-Langerhans cells histiocytosis with massive lymphadenopathy of uncertain aetiology. It is commonly characterized by massive, painless, non-tender, bilateral cervical lymphadenopathy. Extra-nodal involvement is usually seen in 50% of patients, with the brain being affected in only 5% of cases, usually as dural-based lesions. Clinical presentation is heterogeneous and strongly dependent on the localization of the lesions. Although the histopathological findings are essential for the final diagnosis, brain magnetic resonance imaging (MRI) currently represents the first-line strategy for the detection of the lesions across the central nervous system (CNS); moreover, it may provide additional elements for the differential diagnosis versus other more common lesions. We performed a case-based literature review to highlight possible aetiologic and pathogenetic theories of this disease, along with imaging features of RDD, with a particular focus on the MRI characteristics of the CNS involvement (CNS-RDD). Finally, we provided a novel insight on the current therapeutic approaches, either surgical or medical.

In the original publication, the first and last name of the Author “Giorgia Saltelli” was inadvertently swapped. The correct Author group has been provided below.

Although classical trigeminal neuralgia (CTN) is frequently caused by neurovascular contact (NVC) at the trigeminal root entry zone (REZ), both anatomical and MRI studies have shown that NVC of the trigeminal nerve frequently occurs in individuals without CTN. To assess the accuracy of MRI in distinguishing symptomatic from asymptomatic trigeminal NVC, we submitted to high-definition MRI the series of CTN patients referred to our outpatient service between June 2011 and January 2013 (n=24), and a similar number of age-matched healthy controls. Two neuroradiologists, blinded to the clinical data, evaluated whether the trigeminal nerve displayed NVC in the REZ or non-REZ, whether it was dislocated by the vessel or displayed atrophy at the contact site, and whether the offending vessel was an artery or a vein. Our data were meta-analyzed with those of all similar studies published from January 1970 to June 2013. In our sample, REZ contact, nerve dislocation and nerve atrophy were independently associated with CTN (P=.027; P=.005; P=.035 respectively). Compared to a rather low sensitivity of each of these items (alone or in combination), their specificity was high. When REZ contact and nerve atrophy coexisted, both specificity and positive predictive value rose to 100%. Meta-analysis showed that REZ NVC was detected in 76% of symptomatic and 17% of asymptomatic nerves (P