2018-02 | The St.Emlyn’s Podcast

Episodes

Friday Feb 23, 2018

Ep 106 - Debriefing in Critical Care with Liz Crowe

Friday Feb 23, 2018

The Importance and Practice of Debriefing in Emergency and Critical Care

Debriefing is a crucial process in healthcare settings, particularly in emergency and critical care units. It involves structured discussions following critical events to help teams learn from their experiences and support each other's psychological well-being. This process is not just about operational reflection but also about addressing the emotional impact of challenging situations on healthcare professionals.

Understanding Debriefing

Debriefing can take two primary forms: hot debriefs and formal debriefs. Hot debriefs occur immediately after an event and focus on operational aspects, such as what happened, what went well, and what could be improved. They are concise and do not delve into the psychological aspects of the incident. These debriefs are valuable for capturing immediate lessons and determining if further, more comprehensive discussions are necessary.

Formal debriefs, on the other hand, are conducted five to seven days post-event. This delay allows participants to process initial emotions, making it a more suitable time for in-depth discussions. Formal debriefs cover both operational details and psychological reactions, providing a safe space for staff to express their feelings and thoughts. They are essential for long-term learning and emotional healing, ensuring that the team can move forward positively.

Timing and Setting

The timing of debriefing is critical. While hot debriefs capture immediate reflections, formal debriefs should not be rushed. Conducting them too soon can be ineffective, as participants might still be too emotionally charged to engage constructively. In our hospital, formal debriefs are usually organized when an event causes significant distress among the staff, whether due to a clinical situation, a tragic incident involving a colleague, or a complex ethical dilemma.

The setting for a debrief should be carefully chosen to ensure a conducive environment for open communication. We often use teaching rooms, which are formal enough to maintain the seriousness of the discussion but comfortable and private enough to encourage honesty and confidentiality.

Facilitators and Structure

Selecting the right facilitators is crucial for a successful debrief. Typically, a social worker, like Liz, and a senior medical consultant co-facilitate. The consultant provides a comprehensive overview of the clinical aspects, while the social worker manages the psychological and emotional discussions. This balance ensures that all relevant facets of the event are covered.

A formal debrief generally follows a structured format:

Introduction and Ground Rules: The facilitator sets the stage by explaining the purpose of the debrief and establishing ground rules, such as maintaining confidentiality and focusing on constructive feedback.
Narrative of the Event: A detailed recount of the incident is provided, clarifying what happened and why certain decisions were made. This helps participants understand the context and avoid misunderstandings.
Operational Discussion: The team discusses the operational aspects, identifying what was done well and what could be improved. This is critical for learning and improving future responses.
Emotional and Psychological Impact: Participants share their emotional reactions, providing a space for acknowledging the psychological effects of the event. This aspect of debriefing is vital for team support and individual well-being.
Closing and Follow-Up: The debrief concludes with a summary and any agreed-upon actions. Facilitators also provide information on additional support resources, if necessary.

Challenges and Considerations

Debriefing can be challenging, especially in navigating sensitive topics or when there are conflicting opinions. It's essential to create a safe space where all participants feel comfortable sharing. Facilitators must manage the discussion to ensure that dominant personalities do not overshadow quieter voices, encouraging everyone to contribute.

In some cases, separate debriefs for different groups involved in the event—such as pre-hospital staff, nurses, and doctors—may be necessary. This approach ensures that discussions are relevant to each group's experiences and prevents unnecessary exposure to distressing details that may not be directly applicable.

Broader Implications and Benefits

Debriefing should not be limited to negative or critical incidents. Regularly debriefing both positive and challenging events fosters a culture of continuous improvement and support. It helps normalize the practice, making it an integral part of the workplace rather than an extraordinary event.

It's important to recognize that not all staff may want to participate in debriefings, and that’s acceptable. Debriefing should always be voluntary, with alternative support mechanisms available for those who need them.

The long-term benefits of debriefing are substantial. It helps prevent burnout by providing a space for staff to process their experiences, supports continuous learning, and improves patient care outcomes. A well-implemented debriefing process can enhance team cohesion, reduce staff turnover, and foster a positive workplace culture.

Conclusion

Debriefing is a vital component of healthcare practice in emergency and critical care settings. It provides a structured approach to reflect on critical events, offering both operational and psychological support to healthcare teams. While it requires time and effort, the benefits for staff well-being and patient care are invaluable.

We encourage healthcare professionals to integrate regular debriefing into their practices, not just for critical incidents but as a routine part of their work. This approach helps build a resilient and supportive workplace culture, where staff feel valued and heard. Sharing experiences and learning from each other strengthens the team and ultimately leads to better care for patients.

We invite you to share your experiences with debriefing in your hospital. What strategies have worked well? What challenges have you encountered? Connect with us through the St. Emlyn's blog or Twitter, and let's continue the conversation about improving our practices and supporting each other in this challenging yet rewarding field of healthcare. Stay tuned for more insights from St. Emlyn's as we explore the complexities of working in emergency and critical care. Until next time, take care and keep supporting each other.

Wednesday Feb 14, 2018

Ep 105 - Critical Apprasal Nugget 8: Diagnostics and PICTR questions.

Wednesday Feb 14, 2018

Understanding Diagnostic Test Accuracy Studies in Emergency Medicine

In the St Emlyn's podcast, hosts Simon Carley and Rick Bodey explore the crucial aspects of diagnostic test accuracy studies, particularly relevant for emergency medicine. This discussion revolves around the PICTR framework, a tool for structuring research questions and critical appraisals in diagnostic studies. PICTR stands for Patient group, Index test, Comparator, Target condition, and Reference standard.

Patient Group: Contextual Relevance in Diagnostics

The patient group is the specific population in which the diagnostic test is evaluated. It's essential to select a relevant group to ensure the study's findings are applicable to real-world settings. For example, a cardiac marker tested in a specialized cardiology clinic may not perform identically in the diverse environment of an emergency department. In practice, the patient group should include all individuals who present with symptoms indicative of the condition the test aims to diagnose, providing a broad and pragmatic study population.

Index Test: The New Diagnostic Tool

The index test is the new diagnostic tool being evaluated. Key factors include how and when the test is applied, the conditions under which it is used, and the training of the clinicians administering it. For example, if evaluating a new troponin test, the timing of sample collection and the level of operator training are crucial, as these can significantly influence the test's accuracy and reliability. Understanding these details ensures that the study results can be replicated in different clinical settings and with various levels of clinician expertise.

Comparator: Benchmarking Against Existing Tests

The comparator is an existing diagnostic test or standard used to measure the new test's effectiveness. This comparison helps determine whether the new test offers improvements over current practices. For instance, when comparing a new scoring system for assessing chest pain against the TIMI risk score, researchers can evaluate which method more accurately identifies patients at risk for acute coronary syndromes. However, not all studies include a comparator, especially if the new test is intended to replace an existing standard entirely.

Target Condition: Defining the Diagnosis

The target condition refers to the specific illness or condition that the test aims to diagnose. Defining this condition involves setting clinical criteria or thresholds. For example, the criteria for diagnosing myocardial infarction have evolved with advancements in biomarker sensitivity, such as the use of high-sensitivity troponins. A meaningful target condition is one that impacts clinical decision-making and patient management, ensuring that the diagnosis leads to actionable insights that improve patient outcomes.

Reference Standard: The Benchmark for Accuracy

The reference standard, often called the "gold standard," is the most accurate method available for confirming whether a patient has the target condition. It serves as the benchmark against which the new diagnostic test is measured. However, reference standards can have limitations, such as false negatives or positives. For example, while a CT pulmonary angiogram (CTPA) is a common reference standard for diagnosing pulmonary embolism, it is not perfect. In some cases, a new test may outperform the reference standard, highlighting the need for careful interpretation of study results.

Challenges with Reference Standards

Applying the reference standard uniformly across all patients can be challenging, especially when the standard is invasive or carries risks. For example, diagnosing subarachnoid hemorrhage typically involves a CT scan followed by a lumbar puncture. However, not all patients may undergo these procedures due to their invasive nature. In such cases, researchers may use follow-up data as a proxy, assuming that if no adverse outcomes occur during the follow-up period, the patient likely did not have the target condition.

This approach helps mitigate the ethical concerns and practical challenges associated with applying invasive reference standards to all study participants. It also highlights the importance of being pragmatic when appraising diagnostic studies, focusing on the clinical relevance and applicability of the findings rather than striving for methodological perfection.

Practical Considerations in Diagnostic Studies

Critical appraisal of diagnostic studies involves evaluating the study's design, including the selection of the patient group, the application of the index test, and the choice of the reference standard. Researchers and clinicians must also consider the study's limitations, such as potential biases or the imperfect nature of the reference standard. These factors can affect the study's conclusions and their relevance to clinical practice.

Understanding and applying the PICTR framework helps ensure that diagnostic studies are comprehensive and provide valuable insights for clinical decision-making. It allows for better evaluation of new diagnostic tools, ensuring they are safe, effective, and applicable in real-world clinical settings.

Conclusion: The Value of PICTR in Diagnostic Research

The PICTR framework provides a structured approach to designing and evaluating diagnostic test accuracy studies. By focusing on patient groups, index tests, comparators, target conditions, and reference standards, researchers can produce more accurate and clinically useful results. This approach is crucial in emergency medicine, where timely and accurate diagnoses can significantly impact patient outcomes.

For clinicians, mastering the principles of PICTR enhances the ability to critically appraise research and make informed decisions about the implementation of new diagnostic tests. As diagnostic technologies continue to evolve, the importance of robust, evidence-based assessments will only grow, ensuring high-quality patient care and optimal use of healthcare resources.