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Plazomicin is a next-generation semisynthetic aminoglycoside antibiotic that can be used to treat infections by multi-resistant bacteria. It is effective against many bacteria-producing carbapenemases or other specific hydrolases. This scoping review aims to define the role acquired by plazomicin from its approval by the FDA (US Food and Drug Administration) in 2018 to the present day. Furthermore, we aim to provide a base for a future meta-analysis. This project was conducted following the recommendations presented in the PRISMA extension for scoping reviews and the JBI Manual for Evidence Synthesis. Among 901 potentially engaging citations, 345 duplicates were removed, and only 81 articles were selected for the analysis. According to the data analysis, plazomicin has been used to treat urinary tract infections, bloodstream infections, and ventilation-associated pneumonia. The pathogens killed included multi-resistant E. coli, K. pneumoniae, A. baumannii, P. aeruginosa, and S. aureus. Plazomicin can be a manageable, valid non-beta-lactam alternative for treating multi-resistant bacteria infections.
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BACKGROUND: Dexmedetomidine is a highly selective alpha-2 receptor agonist without any effect on the GABA receptor. It provides an excellent sedative and analgesic profile with few side effects. We report our experience with dexmedetomidine use during orthopaedic surgery under locoregional anaesthesia to ensure adequate sedation and optimal postoperative pain control. METHODS: In this retrospective analysis, we included 128 patients who underwent orthopaedic surgery between January 2019 and December 2021. All patients received the same local anaesthetic dose of 20 ml of ropivacaine 0.375% + mepivacaine 0.5% for axillary and supraclavicular block and 35 ml of ropivacaine 0.375% + mepivacaine 0.5% for triple nerve block (femoral, obturator and sciatic nerve). The cohort was divided into two groups based on sedation drugs used during surgery (dexmedetomidine, or group D, vs midazolam, or group M). All patients received postoperative 24-h analgesia consisting of 60 mg of ketorolac, 200 mg of tramadol and 4 mg of ondansetron. The primary outcome measured how many patients in the two groups required an analgesic rescue dose of pethidine and the time to first pethidine administration. To reduce confounding, we included patients in two groups with non-statistically different demo-anamnestic parameters and who received the same dose of intraoperative local anaesthetic and postoperative analgesia. RESULTS: The number of patients in group D who did not require a rescue dose of analgesia was significantly greater than in group M (49 vs 11, p < 0.001). Time-to-first postoperative opioid administration did not show a fundamental difference between the two groups under examination (523.75 ± 131.55 min vs 564 ± 117.84 min). Total opioid consumption was higher in the M group than in the D group (3529.8 ± 30.36 µg vs 1864.8 ± 31.59 µg, p 0.075), with a mean opioid consumption significantly higher in the M group than in the D group (26.26 ± 42.8 µg vs 69.21 ± 46.1 µg, p < 0.001): D group received 62.06% less opioid than M group. CONCLUSIONS: The continuous infusion of dexmedetomidine during orthopaedic surgery performed under locoregional anaesthesia has been shown to increase the analgesic effect of local anaesthetics and reduce the consumption of major opioids in the postoperative period. Dexmedetomidine offers a unique ability to supply sedation and analgesia without respiratory depression, having a wide safety margin and an excellent sedative capacity. It does not increase the rate of postoperative complications.
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Bloqueo Nervioso , Anestésicos Locales , Drenaje , Humanos , Dolor , Dolor Postoperatorio , Ultrasonografía , Ultrasonografía IntervencionalRESUMEN
INTRODUCTION: Dexmedetomidine is a highly selective alpha-2 adrenoreceptor agonist without any effect on the GABA receptor. Its sedative, anxiolytic, analgesic, and sympatholytic activities together with opioid-sparing effects make it suitable for short- and long-term sedation in the intensive care setting. We report our experience with dexmedetomidine use during transfemoral transcatheter aortic valve implantation (TAVI) procedure as an alternative to general anesthesia. METHODS: This is a retrospective analysis of high-risk patients undergoing dexmedetomidine infusion for the transfemoral TAVI procedure between July 2017 and October 2019. The primary outcome parameters were hemodynamic: heart rate (HR), mean arterial pressure (MAP); respiratory oxygen saturation (SpO2), pH, partial pressure of arterial oxygen (PaO2), partial pressure of arterial carbon dioxide (PaCO2), and sedation level (Richmond Agitation-Sedation Scale, RASS). The frequency of conversion to general anesthesia and the need for sedative "rescue therapy" were secondary endpoints. We also reported the overall anesthetic management and the incidence of intra- and postoperative complications. RESULTS: Eighty-five patients were evaluated (age 81.58 ± 5.23 years, 36.5% men, 63.5% women). High comorbidity, according to the Society of Thoracic Surgeons Predicted Risk of Mortality (STS PROM). The patients' hemodynamic functions were kept normal. Complications such as cardiac arrest occurred in four patients; orotracheal intubation and cardiopulmonary resuscitation were necessary. Atrioventricular block occurred in nine patients. Respiratory parameters were maintained stable. Complications such as apnea, hypoventilation, and hypoxemia did not occur. All patients had RASS scores above or equal to 0 and - 1. No patient required rescue midazolam or fentanyl. No conversion to general anesthesia in patients sedated with dexmedetomidine was observed in the absence of hemodynamic complications caused by the surgical technique. CONCLUSION: In this series, sedation with dexmedetomidine for TAVI procedures with femoral access was proven effective and safe. Dexmedetomidine may be a valid alternative to general anesthesia in high-risk older patients undergoing transfemoral TAVI.
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Estenosis de la Válvula Aórtica/cirugía , Dexmedetomidina , Complicaciones Posoperatorias , Reemplazo de la Válvula Aórtica Transcatéter , Anciano , Anestesia General/efectos adversos , Anestesia General/métodos , Dexmedetomidina/administración & dosificación , Dexmedetomidina/efectos adversos , Femenino , Frecuencia Cardíaca/efectos de los fármacos , Hemodinámica/efectos de los fármacos , Humanos , Hipnóticos y Sedantes/administración & dosificación , Hipnóticos y Sedantes/efectos adversos , Italia/epidemiología , Masculino , Evaluación de Procesos y Resultados en Atención de Salud , Complicaciones Posoperatorias/diagnóstico , Complicaciones Posoperatorias/etiología , Complicaciones Posoperatorias/terapia , Estudios Retrospectivos , Reemplazo de la Válvula Aórtica Transcatéter/efectos adversosRESUMEN
AIM: To assess the efficacy of the topical 5% lidocaine medicated plaster (Versatis®, Grünenthal GmbH, Aachen, Germany) in patients with post-thoracotomy neuropathic pain. PATIENTS & METHODS: Patients were randomized to receive the topical 5% lidocaine medicated plaster (n = 33) or non-medicated placebo plasters (n = 30) for 12 h every day for 8 weeks. Laser-evoked potentials (LEPs) were measured, and various questionnaires/scales completed. RESULTS: Numeric Rating Scale pain scores improved significantly (p < 0.01) more in topical 5% lidocaine medicated plaster than in placebo recipients. The same was true for N2 and P2 LEP latency and amplitude, and other parameters. CONCLUSION: The study included neurophysiological findings and confirmed the efficacy of the topical 5% lidocaine medicated plaster in patients with chronic post-thoracotomy neuropathic pain.