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At least 1,009 records · Page 56Linked to original sources
PubMed2000

Cost analysis of neuromuscular blocking agents in the operating room: cisatracurium, atracurium, vecuronium and rocuronium.

Cisatracurium (C), Atracurium (A), Rocuronium (R) and Vecuronium (V) are four neuromuscular blockers (NMB) used in the operating room with similar efficacy, defined as adequate muscle relaxation, but different pharmacokinetics. C and A have organ-independent elimination, A is associated with histamine release and R has a shorter onset time. The objective of this study was to economically compare these four NMB from the hospital point of view in order to facilitate drug selection. A cost analysis was performed. Only direct costs were considered and data were collected through a retrospective chart review. A total of 151 patient charts were randomly selected. Differences between patients receiving one of the four NMB were evaluated by ANOVA or Kruskal-Wallis tests. Then a multiple linear regression analysis was conducted. In the chart review, no significant difference was observed between the four groups of patients in age, weight or surgery duration (p > 0.05). Multiple regression analysis revealed that atracurium was on average PTA 237 (1 Euro = PTA 166) cheaper per surgery than any other NMB after adjusting for other factors (p < 0.01) and there is no significant difference in cost between the other three NMBs (p > 0.1). We recommend the use of rocuronium when a quick onset is needed and the patient does not have hepatic failure, cisatracurium when a haemodynamic instability is possible and atracurium in the remaining cases. If just one NMB can be included in the drug formulary we would select cisatracurium due to its pharmacological advantages over atracurium with a small increment in cost.

Adult↗
PubMed2002

Virtual reality training improves operating room performance: results of a randomized, double-blinded study.

OBJECTIVE: To demonstrate that virtual reality (VR) training transfers technical skills to the operating room (OR) environment. SUMMARY BACKGROUND DATA: The use of VR surgical simulation to train skills and reduce error risk in the OR has never been demonstrated in a prospective, randomized, blinded study. METHODS: Sixteen surgical residents (PGY 1-4) had baseline psychomotor abilities assessed, then were randomized to either VR training (MIST VR simulator diathermy task) until expert criterion levels established by experienced laparoscopists were achieved (n = 8), or control non-VR-trained (n = 8). All subjects performed laparoscopic cholecystectomy with an attending surgeon blinded to training status. Videotapes of gallbladder dissection were reviewed independently by two investigators blinded to subject identity and training, and scored for eight predefined errors for each procedure minute (interrater reliability of error assessment r > 0.80). RESULTS: No differences in baseline assessments were found between groups. Gallbladder dissection was 29% faster for VR-trained residents. Non-VR-trained residents were nine times more likely to transiently fail to make progress (P <.007, Mann-Whitney test) and five times more likely to injure the gallbladder or burn nontarget tissue (chi-square = 4.27, P <.04). Mean errors were six times less likely to occur in the VR-trained group (1.19 vs. 7.38 errors per case; P <.008, Mann-Whitney test). CONCLUSIONS: The use of VR surgical simulation to reach specific target criteria significantly improved the OR performance of residents during laparoscopic cholecystectomy. This validation of transfer of training skills from VR to OR sets the stage for more sophisticated uses of VR in assessment, training, error reduction, and certification of surgeons.

Cholecystectomy, Laparoscopic↗
PubMed1998

Neuromonitoring in the operating room: why, when, and how to monitor?

This review considers the main principles and indications of EEG and evoked potential (EP) neuromonitoring in the operating room. Neuromonitoring has a threefold purpose: to warn the surgeon that he has to adjust his strategy, to confirm his decision, and to help him improve subsequent procedures. The pathophysiology of intraoperative events liable to alter the EEG or the EPs is first considered. The usefulness of neuromonitoring in preventing neurological complication relies on its ability to detect neurological dysfunction at a reversible stage. This applies especially to ischemia and compressive damage. The anesthetic influences on EEG and EPs are then considered. Knowledge of them is essential to disentangle these neurophysiological alterations due to intraoperative events from those merely due to anesthesia and to use neurophysiological parameters to evaluate the depth of anesthesia. Third, the main indications and limitations of neuromonitoring are considered: prevention of ischemic brain or spinal cord damage, prevention of mechanical injuries of the brain, spinal cord or peripheral nerve, and localization of the motor cortex in cortical neurosurgery or of cranial nerves in posterior fossa surgery. Finally, the 3 levels of neuromonitoring (neurophysiological feature extraction, neurophysiological pattern recognition, clinical integration of the neurophysiological patterns) are discussed together with the rules that should guide the dialogue between the surgeon, the anesthesiologist, and the neurophysiologist.

Anesthesia↗
PubMed1993

Operating room personnel morbidity from carbon dioxide laser use during preceptored surgery.

OBJECTIVE: To determine the extent of laser-induced morbidity away from the operative site during the preceptor phase of laser credentialing in our institution. METHODS: All laser surgeries performed from June 1, 1990 through May 31, 1991 and preceptored by one of the authors (MB) were included in the study. All of the surgeries were performed by a resident or attending physician seeking laser privileges in our institution. During that time, 141 such cases were performed. RESULTS: In 13 of 141 cases (9%), there were injuries unrelated to the surgical procedure itself to either the patient or operating personnel. There were nine accidents associated with laser use during 42 laparotomy procedures (21%) and four accidents at the time of 44 vulvar surgeries (9%). There were no accidents during laparoscopic or colposcopic surgery of the vagina or cervix. CONCLUSIONS: Despite extensive training requirements before use of the CO2 laser, accidents did occur. Operating room safety requirements should be a high priority to minimize morbidity. We report our experience with intraoperative morbidity caused by surgeons' errors and present recommendations to limit further complications.

Accidents↗
PubMed1999

The new operating room environment.

As endovascular procedures become more complex, the need for a suitably equipped endovascular suite is recognized. This specialized theater combines the features of the traditional operating room and the interventional radiology suite. The availability of high-resolution digital fluoroscopy facilitates the precise deployment of endovascular grafts and stents. In addition, combined open and endovascular procedures can be performed simultaneously. In this new environment, vascular surgeons are able to select the most appropriate operation without hindrance.

Angiography↗