We conducted a survey of the incidence of Postoperative Residual Curarisation (PORC) in two groups of patients following the use of atracurium or vecuronium. In the first group (B) the neuromuscular blocking drugs were administered by bolus dosing, and in the second group (I) by continuous fusion. On arrival in the recovery room, neuromuscular function was assessed both by compound evoked electromyogram (EMG) in a train of four pattern and also clinically, by the ability to sustain a headlift for > 5 seconds, and to cough. Results were obtained from 150 patients (100 in group B and 50 in group I). The incidence of PORC, as defined by a train of four ratio of < 0.7, on arrival in the recovery room was 12% in group B, and 24% in group I. Clinical criteria of adequate neuromuscular reversal revealed different results, with the majority of patients being unable to perform either clinical test on arrival in recovery. Those patients in whom a peripheral nerve stimulator was used intra-operatively did not have a reduced incidence of PORC. We have demonstrated that PORC is still a common occurrence even with intermediate duration of action neuromuscular blocking drugs.
SummaryA postal survey was sent to members of the Association of Cardiothoracic Anaesthetists to ascertain current practice in the use of pharmacological agents as cerebral protectants during deep hypothermic circulatory arrest. The response rate was 60%. Eighty-three per cent of respondents used some form of pharmacological agent specifically for cerebral protection. Fifty-nine per cent of respondents used thiopental, 29% used propofol and 48% used a variety of other agents, the most common of these being a steroid. There were variations in the dose and timing of administration of drugs. Few respondents believed that there was a body of evidence to support this use of pharmacological agents. Only 35% of respondents believed there to be sufficient evidence to support the use of thiopental. Similarly, only 11% of respondents believe that there is evidence supporting the use of propofol, and 16% the use of steroids. The above findings demonstrate that it would not be possible to create a 'best practice' set of guidelines at present. A national database of all cases of adult thoracic surgery involving deep hypothermic cardiac arrest, with methodology and outcome, could probably establish such guidelines, evidence based.
Partial nephrectomy (PN) for small renal masses is common, but outcomes are not reported in a standard manner. Traditionally, parameters such as 90-day mortality, blood loss, transfusion rates, length of stay, nephrometry scoring and complications are published but their collective impact on warm ischemia time (WIT) and post-surgery GFR is rarely determined. Thus, our aim was to assess if “Trifecta” and “Pentafecta” outcomes could be used as useful surgical outcome markers. A prospective database of 252 Robotic-Assisted PN (RAPN) cases (2008–2019) was analysed. “Pentafecta” was defined as achievement of “Trifecta” (negative surgical margin, no postoperative complications and WIT of < 25 min) plus over 90% estimated GFR preservation and no CKD stage upgrading at 1 year. Binary logistic regression analysis was conducted to predict factors which may prevent achieving a Trifecta/Pentafecta. Median tumour size was 3 cm and mean WIT was 15 min. Positive surgical margins (PSM) occurred in 2 cases. Overall, the intra-operative complication rate was 7%. One recurrence conferred 5-year cancer-free survival of 97%. Trifecta outcome was achieved in 169 (67%) and Pentafecta in 141 (56%) of cases. At logistic regression analysis, intraoperative blood loss was the only factor to affect Trifecta achievement (p = 0.018). Advanced patient age negatively impacted Pentafecta achievement (p = 0.010). The Trifecta and Pentafecta outcomes are easily applicable to PN data, and offer an internationally comparable PN outcome, quality measure. We recommend applying this standardization to national data collection to improve the quality of reporting and ease of interpretation of surgeon/centres’ outcomes.
The American College of Surgeons' Advanced Trauma Life Support procedure teaches that blind nasotracheal intubation should be performed in the presence of a suspected or proven cervical spine injury in an unconscious but breathing patient who requires an artificial airway. We studied a group of non-anaesthetically trained graduates of the Advanced Trauma Life Support course and examined their skill in performing blind nasal intubations. Only six in 90 attempts were successful. We conclude that, in British hospitals, blind nasotracheal intubation should not be recommended as the first line management in securing the airway of patients with suspected or proven cervical spine injury. Alternative techniques such as bag-and-mask ventilation with cricoid pressure or a laryngeal mask airway with cricoid pressure should be adopted until oral intubation with in-line traction is performed.
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