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Surgical and minimally-invasive procedures, including cardiac and radiological, have high-stake patient outcomes. Working pressures, altering shift rotas, and ever-increasing demands have led to worsening sleep patterns for surgeons and allied professionals. Sleep deprivation alone has harmful consequences in relation to clinical outcomes and the physical and mental health of the surgeon, and to offset fatigue, some surgeons use legal stimulants such as caffeine and energy drinks. This stimulant use, however, may come at the cost of negative effects on cognitive and physical function. We aimed to explore evidence behind the use of caffeine, and its consequences on technical performance and clinical outcomes. [ABSTRACT FROM AUTHOR]

The COVID-19 pandemic has changed training and recruitment in urology in unprecedented ways. As efforts are made to ensure trainees can continue to progress, lessons can be learned to improve training and urological practice even after the acute phase of the pandemic is over. Novel methods of education through virtual learning have burgeoned amidst the social distancing the pandemic has brought. The importance of training in human factors and non-technical skills has also been brought to the fore while operating under the constraints of personal protective equipment and working in new teams and unfamiliar environments. This paper critically appraises the available evidence of how urological training has been affected by COVID-19 and the lessons we have learned and continue to learn going forward. Level of Evidence: Not Applicable. [ABSTRACT FROM AUTHOR]

Intraoral low-grade mucoepidermoid carcinoma (MEC) is not known to metastasize to the liver. This type of malignant salivary gland tumor is comparatively rare and has a well-defined set of parameters guiding histolopathologic grading into low to high grade. Although distant and regional lymph node metastases have been reported in about 15% of all MEC cases, tumors diagnosed as low grade have only very rarely been implicated. We present a case, as yet unreported, in which cervical lymph node and hepatic metastatic spread occurred from a primary low-grade MEC of the hard palate. A 33-year-old man presented with a 4-week history of painful, right-sided palatal ulceration crossing the midline. Imaging revealed cervical lymph node involvement and metastatic liver deposits. Tissue diagnosis supported a low-grade palatal MEC with histologic identical hepatic metastases. We examined the clinical features of this rare case, reviewed the published data, and discuss the histologic features and treatment of such patients. [ABSTRACT FROM AUTHOR]

Although local anesthetic injections are commonly used in dental practice, the complex neurovascular anatomy of the face can present the practitioner with unexpected complications. Several reports document adverse events related to inferior dental blocks (IDBs), whereas long buccal nerve blocks are usually performed without incident. We describe a previously unreported complication of a long buccal nerve block involving blanching, pain, and paresthesia specifically within the infraorbital arterial territory of the face. We had previously reported an identical event resulting from an IDB. We discuss the facial vascular relationships that might explain this complication and how to manage it. [ABSTRACT FROM AUTHOR]