Safety culture in anaesthesiology: Basic concepts and practical application

Effects of Transverse Abdominis Plane (TAP) Block on the MACBAR of Sevoflurane in Gynecologic Patients with Laparoscopic Pneumoperitoneal Stimulation: An Up-Down Sequential Allocation Study

Purpose

This study aimed to observe the effect of bilateral transverse abdominis plane (TAP) block on the MACBAR of sevoflurane in gynecological patients with laparoscopic pneumoperitoneal stimulation.

Patients and Methods

Fifty patients who underwent laparoscopic surgery were randomly assigned to either the control group (n= 25) or the TAP block group (n= 25). Patients in the TAP block group were subjected to a bilateral transversal abdominal muscle plane block with 0.33% ropivacaine (20 mL on each side) guided by ultrasound. The control group received an equal volume of normal saline. The MACBAR of sevoflurane in each group was determined using a sequential allocation technique.

Results

The MACBAR of sevoflurane in the TAP block group was significantly lower than that in the control group (4.20% [95% confidence interval {CI}, 4.02%-4.38%] vs 5.03% [95% CI, 4.89%-5.18%]).

Conclusion

Bilateral TAP block can reduce the MACBAR of sevoflurane in gynecological patients with pneumoperitoneum stimulation.

Trial Registration Number

ChiCTR2100046517. The trial is publicly available and registered at www.chictr.org.cn on May 18, 2021.

Patient Safety Culture in Latin American Hospitals: A Systematic Review with Meta-Analysis

INTRODUCTION

Adverse events in hospitals are prevented through risk reduction and reliable processes. Highly reliable hospitals are grounded by a robust patient safety culture with effective communication, leadership, teamwork, error reporting, continuous improvement, and organizational learning. Although hospitals regularly measure their patient safety culture for strengths and weaknesses, there have been no systematic reviews with meta-analyses reported from Latin America.

PURPOSE

Our systematic review aims to produce evidence about the status of patient safety culture in Latin American hospitals from studies using the Hospital Survey on Patient Safety Culture (HSOPSC).

METHODS

This systematic review was guided by the JBI guidelines for evidence synthesis. Four databases were systematically searched for studies from 2011 to 2021 originating in Latin America. Studies identified for inclusion were assessed for methodological quality and risk of bias. Descriptive and inferential statistics, including meta-analysis for professional subgroups and meta-regression for subgroup effect, were calculated.

RESULTS

In total, 30 studies from five countries-Argentina (1), Brazil (22), Colombia (3), Mexico (3), and Peru (1)-were included in the review, with 10,915 participants, consisting primarily of nursing staff (93%). The HSOPSC dimensions most positive for patient safety culture were "organizational learning: continuous improvement" and "teamwork within units", while the least positive were "nonpunitive response to error" and "staffing". Overall, there was a low positive perception (48%) of patient safety culture as a global measure (95% CI, 44.53-51.60), and a significant difference was observed for physicians who had a higher positive perception than nurses (59.84; 95% CI, 56.02-63.66).

CONCLUSIONS

Patient safety culture is a relatively unknown or unmeasured concept in most Latin American countries. Health professional programs need to build patient safety content into curriculums with an emphasis on developing skills in communication, leadership, and teamwork. Despite international accreditation penetration in the region, there were surprisingly few studies from countries with accredited hospitals. Patient safety culture needs to be a priority for hospitals in Latin America through health policies requiring annual assessments to identify weaknesses for quality improvement initiatives.

Patient safety education in anesthesia: current state and future directions

PURPOSE OF REVIEW

Although patient safety is a core component of education in anesthesiology, approaches to implementation of education programs are less well defined. The goal of this review is to describe the current state of education in anesthesia patient safety and the ideal patient safety curriculum.

RECENT FINDINGS

Anesthesiology has been a pioneer in patient safety for decades, with efforts amongst national organizations, such as the American Society of Anesthesiologists and the Anesthesia Patient Safety Foundation to disseminate key standards and guidelines in patient safety. However, few, if any strategies for implementation of a patient safety curriculum in anesthesiology exist.

SUMMARY

Patient safety education is crucial to the field of anesthesiology, particularly with the advancement of surgical and anesthesia technologies and increasing complexity of patients and procedures. The ideal patient safety curriculum in anesthesiology consists of simulation, adverse event investigation and analysis, and participation in process improvement. Efforts in education must adapt with changing technology, shifts in the way anesthesia care is delivered, and threats to physician wellness. Future efforts in education should harness emerging platforms, such as social media, podcasts, and wikis.

Effect of intercostal nerve block combined with general anesthesia on the stress response in patients undergoing minimally invasive mitral valve surgery

The aim of the present study was to investigate the effect of intercostal nerve block combined with general anesthesia on the stress response and postoperative recovery in patients undergoing minimally invasive mitral valve surgery (MIMVS). A total of 30 patients scheduled for MIMVS were randomly divided into two groups (n=15 each): Group A, which received intercostal nerve block combined with general anesthesia and group B, which received general anesthesia alone. Intercostal nerve block in group A was performed with 0.5% ropivacaine from T3 to T7 prior to anesthesia induction. In each group, general anesthesia was induced using midazolam, sufentanil, propofol and vecuronium. Central venous blood samples were collected to determine the concentrations of cortisol, glucose, interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) at the following time points: During central venous catheterization (T₁), 5 min prior to cardiopulmonary bypass (T₂), perioperative (T₃) and 24 h following surgery (T₄). Clinical data, including parameters of opioid (sufentanil) consumption, time of mechanical ventilation, duration of intensive care unit (ICU) stay, visual analog scale scores and any complications arising from intercostal nerve block, were recorded. Levels of cortisol, glucose, IL-6 and TNF-α in group A were significantly lower than those in group B at T₂ (all P<0.001; cortisol, P<0.05), T₃ (all P<0.001) and T₄ (all P<0.001; glucose, P<0.05), suggesting that intercostal nerve block combined with general anesthesia may inhibit the stress response to MIMVS. Additionally, intercostal nerve block combined with general anesthesia may significantly reduce sufentanil consumption (P<0.001), promote early tracheal extubation (P<0.001), shorten the duration of ICU stay (P<0.01) and attenuate postoperative pain (P<0.001), compared with general anesthesia alone. Thus, these results suggest that intercostal nerve block combined with general anesthesia conforms to the concept of rapid rehabilitation surgery and may be suitable for clinical practice.