Humane terminal extubation reconsidered

Palliative General Anesthesia at Terminal Extubation: "Go Gentle into that Good Night"

Withdrawal of life-sustaining treatments in the intensive care unit most often culminates into the discontinuation of mechanical ventilation and removal of the endotracheal tube or "terminal extubation." Standards of practice call for the appropriate use of analgesia and sedation before, during and after extubation with an explicit goal to relieve suffering but not to hasten death. Patients subjected to this procedure are exposed to variable pharmacologic agents, modes, and doses, without any knowledge or monitoring of what these patients are experiencing. This practice seems to rest on contestable assumptions regarding the reliability of bedside examination, the experiential states of unresponsive patients, and the scope of the doctrine of double effect; instead, I argue for palliative general anesthesia in order to safeguard against potential suffering at the end of life. I employ philosophical notions of harm to justify the normative status of palliative anesthesia, in conjunction with contemporary evidence as it relates to the phenomena of covert consciousness and cognitive-motor dissociation. If this analysis is correct, then it may serve as a valid challenge toward current practice without having engaged into controversial debates over the soundness of the doctrine of double effect, or euthanasia. Primun non nocere offers the strongest justification for general anesthesia when terminal extubation is planned.

Time to death after compassionate extubation in medical and neuroscience intensive care units

BACKGROUND

Medical ICU (MICU) and neuroscience ICU (NSICU) populations undergoing compassionate extubation (CE) may have different characteristics that affect post-procedure outcomes.

OBJECTIVES

To contrast clinical characteristics and evaluate time to death (TTD) following CE in MICU and NSICU populations.

METHODS

Single-center retrospective cohort study of patients who completed CE in a MICU or NSICU in 2021. Data were obtained by manual chart abstraction. A Mann-Whitney U test was used to compare characteristics between the clinical units.

RESULTS

Fifty patients were included in the study, 27 were in the MICU and 23 in the NSICU. Median age was 68 years. Patients in the MICU had a longer LOS before CE than those in the NSICU (10.0 vs. 3.0 days, p=0.001). Patients in the MICU experienced a shorter median TTD after CE than those in the NSICU (25 vs. 195 mins, p=0.004). MICU patients had a higher pre-hospital burden of illness (median CCI 6 vs 3, p=0.003), and a higher degree of organ failure at CE (median SOFA 12 vs 6, p<0.001), with more severe hypoxemia (PaO2/FiO2 ratio of 149 vs 360, p<0.001). Most MICU patients died of infection or cancer, compared with NSICU patients who had intracranial hemorrhage or ischemic stroke.

CONCLUSION

Patients in the NSICU underwent CE after shorter time in the ICU and survived longer afterwards than MICU patients. Patients in the MICU have a higher pre-hospital severity of illness and a higher level of organ failure at the time of CE compared with NSICU patients.

Care of the Patient Nearing the End of Life in the Neurointensive Care Unit

BACKGROUND

Neurologically critically ill patients present with unique disease trajectories, prognostic uncertainties, and challenges to end-of-life (EOL) care. Acute brain injuries place these patients at risk for underrecognized symptoms and unmet EOL management needs, which can negatively affect their quality of care and lead to complicated grief in surviving loved ones. To care for patients nearing the EOL in the neurointensive care unit, health care clinicians must consider neuroanatomic localization, barriers to symptom assessment and management, unique aspects of the dying process, and EOL management needs.

AIM

We aim to define current best practices, barriers, and future directions for EOL care of the neurologically critically ill patient.

Limitation of life sustaining therapy in disorders of consciousness: ethics and practice

Clinical conversations surrounding the continuation or limitation of life-sustaining therapies (LLST) are both challenging and tragically necessary for patients with disorders of consciousness (DoC) following severe brain injury. Divergent cultural, philosophical and religious perspectives contribute to vast heterogeneity in clinical approaches to LLST-as reflected in regional differences and inter-clinician variability. Here we provide an ethical analysis of factors that inform LLST decisions among patients with DoC. We begin by introducing the clinical and ethical challenge and clarifying the distinction between withdrawing and withholding life-sustaining therapy. We then describe relevant factors that influence LLST decision-making including diagnostic and prognostic uncertainty, perception of pain, defining a 'good' outcome, and the role of clinicians. In concluding sections, we explore global variation in LLST practices as they pertain to patients with DoC and examine the impact of cultural and religious perspectives on approaches to LLST. Understanding and respecting the cultural and religious perspectives of patients and surrogates is essential to protecting patient autonomy and advancing goal-concordant care during critical moments of medical decision-making involving patients with DoC.

[Comfort Terminal Care in the intensive care unit: recommendations for practice]

BACKGROUND AND OBJECTIVE

The Working Group on Ethics in Anesthesia and Intensive Care Medicine of the Austrian Society for Anesthesiology Resuscitation and Intensive Care Medicine (ÖGARI) already developed documentation tools for the adaption of therapeutic goals 10 years ago. Since then the practical implementation of Comfort Terminal Care in the daily routine in particular has raised numerous questions, which are discussed in this follow-up paper and answered in an evidence-based manner whenever possible.

RESULTS

The practical implementation of pain therapy and reduction of anxiety, stress and respiratory distress that are indicated in the context of Comfort Terminal Care are described in more detail. The measures that are not (or no longer) indicated, such as oxygen administration and ventilation as well as the administration of fluids and nutrition, are also commented on. Furthermore, recommendations are given regarding monitoring, (laboratory) findings and drug treatment and the importance of nursing actions in the context of Comfort Terminal Care is mentioned. Finally, the support for the next of kin and the procedure in the time after death are presented.

DISCUSSION

A change in treatment goals with a timely switch to Comfort Terminal Care enables good and humane care for seriously ill patients and their relatives at the end of life and the appreciation of their previous life with the possibility of positive experiences until the end.

Effectiveness of an Algorithmic Approach to Ventilator Withdrawal at the End of Life: A Stepped Wedge Cluster Randomized Trial

Background: The transition to spontaneous breathing puts patients who are undergoing ventilator withdrawal at high risk for developing respiratory distress. A patient-centered algorithmic approach could standardize this process and meet unique patient needs because a single approach (weaning vs. one-step extubation) does not capture the needs of a heterogenous population undergoing this palliative procedure. Objectives: (1) Demonstrate that the algorithmic approach can be effective to ensure greater patient respiratory comfort compared to usual care; (2) determine differences in opioid or benzodiazepine use; (3) predict factors associated with duration of survival. Design/Settings/Measures: A stepped-wedge cluster randomized design at five sites was used. Sites crossed over to the algorithm in random order after usual care data were obtained. Patient comfort was measured with the Respiratory Distress Observation Scale© (RDOS) at baseline, at ventilator off, and every 15-minutes for an hour. Parenteral morphine and lorazepam equivalents from the onset of the process until patient death were calculated. Results: Usual care data n = 120, algorithm data n = 48. Gender and race were evenly distributed. All patients in the usual care arm underwent a one-step ventilator cessation; 58% of patients in the algorithm arm were weaned over an average of 18 ± 27 minutes as prescribed in the algorithm. Patients had significantly less respiratory distress in the intervention arm (F = 10.41, p = 0.0013, effective size [es] = 0.49). More opioids (t = -2.30, p = 0.023) and benzodiazepines (t = -2.08, p = 0.040) were given in the control arm. Conclusions: The algorithm was effective in ensuring patient respiratory comfort. Surprisingly, more medication was given in the usual care arm; however, less may be needed when distress is objectively measured (RDOS), and treatment is initiated as soon as distress develops as in the algorithm. Clinical Trial Registration number: NCT03121391.

Terminal Extubation or Terminal Weaning: Is it Feasible in Indian Intensive Care Units?

Terminal extubation (TE) and weaning have long been suggested as a modality of intervention when the continuation of mechanical ventilation is not expected to achieve its therapeutic aim and is merely prolonging the dying process. The decision, however, is complex considering limited evidence regarding the best practices and is often defied due to inherent ethical, legal, and medical dilemmas. The article attempts a brief overview of available literature on this subject and discusses its feasibility in Indian intensive care units (ICUs).

How to cite this article

Kumar A, Bhat RS, Mani RK. Terminal Extubation or Terminal Weaning: Is it Feasible in Indian Intensive Care Units? Indian J Crit Care Med 2024;28(2):103-105.

Evidence Guiding Withdrawal of Mechanical Ventilation at the End of Life: A Review

OBJECTIVE

Distress at the end of life in the intensive care unit (ICU) is common. We reviewed the evidence guiding symptom assessment, withdrawal of mechanical ventilation (WMV) process, support for the ICU team, and symptom management among adults, and specifically older adults, at end of life in the ICU.

SETTING AND DESIGN

Systematic search of published literature (January 1990-December 2021) pertaining to WMV at end of life among adults in the ICU setting using PubMed, Embase, and Web of Science. Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines were followed.

PARTICIPANTS

Adults (age 18 and over) undergoing WMV in the ICU.

MEASUREMENTS

Study quality was assessed using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach.

RESULTS

Out of 574 articles screened, 130 underwent full text review, and 74 were reviewed and assessed for quality. The highest quality studies pertained to use of validated symptom scales during WMV. Studies of the WMV process itself were generally lower quality. Support for the ICU team best occurs via structured communication and social supports. Dyspnea is the most distressing symptom, and while high quality evidence supports the use of opiates, there is limited evidence to guide implementation of their use for specific patients.

CONCLUSION

High quality studies support some practices in palliative WMV, while gaps in evidence remain for the WMV process, supporting the ICU team, and medical management of distress. Future studies should rigorously compare WMV processes and symptom management to reduce distress at end of life.

Palliative extubation: obstacles, challenges and solutions

Life support withdrawal can be a challenging decision, but it should be considered as an option when death is inevitable or recovery to an acceptable quality of life is not possible. The process is beset by obstacles that must be overcome to finally offer patients comfort and a peaceful death.In this article, we offer a series of tools that seek to solve the challenges of palliative extubation, as well as a protocol that could facilitate the decision to withdraw life support, making palliative extubation an alternative to consider instead of artificially prolonging life at the expense of unacceptable human and economic costs.

Palliative Sedation, Compassionate Extubation, and the Principle of Double Effect: An Ethical Analysis

Palliative sedation is a well-recognized and commonly used medical practice at the end of life for patients who are experiencing refractory symptoms that cannot be controlled by other means of medical management. Given concerns about potentially hastening death by suppressing patients' respiratory drive, traditionally this medical practice has been considered ethically justifiable via application of the ethical doctrine known as the Principle of Double Effect. And even though most recent evidence suggests that palliative sedation is a safe and effective practice that does not hasten death when the sedative medications are properly titrated, the Principle of Double Effect is still commonly utilized to justify the practice of palliative sedation and any risk-however small-it may entail of hastening the death of patients. One less common clinical scenario where the Principle of Double Effect may still be appropriate ethical justification for palliative sedation is when the practice of palliative sedation is pursued concurrently with the active withdrawal of life-sustaining treatment-particularly the practice of compassionate extubation. This case study then describes an unconventional case of palliative sedation with concurrent compassionate extubation where Principle of Double Effect reasoning was effectively employed to ethically justify continuing to palliatively sedate a patient during compassionate extubation.

Prolonged Weaning: S2k Guideline Published by the German Respiratory Society

Mechanical ventilation (MV) is an essential part of modern intensive care medicine. MV is performed in patients with severe respiratory failure caused by respiratory muscle insufficiency and/or lung parenchymal disease; that is, when other treatments such as medication, oxygen administration, secretion management, continuous positive airway pressure (CPAP), or nasal high-flow therapy have failed. MV is required for maintaining gas exchange and allows more time to curatively treat the underlying cause of respiratory failure. In the majority of ventilated patients, liberation or "weaning" from MV is routine, without the occurrence of any major problems. However, approximately 20% of patients require ongoing MV, despite amelioration of the conditions that precipitated the need for it in the first place. Approximately 40-50% of the time spent on MV is required to liberate the patient from the ventilator, a process called "weaning". In addition to acute respiratory failure, numerous factors can influence the duration and success rate of the weaning process; these include age, comorbidities, and conditions and complications acquired during the ICU stay. According to international consensus, "prolonged weaning" is defined as the weaning process in patients who have failed at least 3 weaning attempts, or require more than 7 days of weaning after the first spontaneous breathing trial (SBT). Given that prolonged weaning is a complex process, an interdisciplinary approach is essential for it to be successful. In specialised weaning centres, approximately 50% of patients with initial weaning failure can be liberated from MV after prolonged weaning. However, the heterogeneity of patients undergoing prolonged weaning precludes the direct comparison of individual centres. Patients with persistent weaning failure either die during the weaning process, or are discharged back to their home or to a long-term care facility with ongoing MV. Urged by the growing importance of prolonged weaning, this Sk2 Guideline was first published in 2014 as an initiative of the German Respiratory Society (DGP), in conjunction with other scientific societies involved in prolonged weaning. The emergence of new research, clinical study findings and registry data, as well as the accumulation of experience in daily practice, have made the revision of this guideline necessary. The following topics are dealt with in the present guideline: Definitions, epidemiology, weaning categories, underlying pathophysiology, prevention of prolonged weaning, treatment strategies in prolonged weaning, the weaning unit, discharge from hospital on MV, and recommendations for end-of-life decisions. Special emphasis was placed on the following themes: (1) A new classification of patient sub-groups in prolonged weaning. (2) Important aspects of pulmonary rehabilitation and neurorehabilitation in prolonged weaning. (3) Infrastructure and process organisation in the care of patients in prolonged weaning based on a continuous treatment concept. (4) Changes in therapeutic goals and communication with relatives. Aspects of paediatric weaning are addressed separately within individual chapters. The main aim of the revised guideline was to summarize both current evidence and expert-based knowledge on the topic of "prolonged weaning", and to use this information as a foundation for formulating recommendations related to "prolonged weaning", not only in acute medicine but also in the field of chronic intensive care medicine. The following professionals served as important addressees for this guideline: intensivists, pulmonary medicine specialists, anaesthesiologists, internists, cardiologists, surgeons, neurologists, paediatricians, geriatricians, palliative care clinicians, rehabilitation physicians, intensive/chronic care nurses, physiotherapists, respiratory therapists, speech therapists, medical service of health insurance, and associated ventilator manufacturers.

Online education about end-of-life care and the donation process after brain death and circulatory death. Can we influence perception and attitudes in critical care doctors? A prospective study

Impact of training on end-of-life care (EOLC) and the deceased donation process in critical care physicians' perceptions and attitudes was analysed. A survey on attitudes and perceptions of deceased donation as part of the EOLC process was delivered to 535 physicians working in critical care before and after completion of a online training programme (2015-17). After training, more participants agreed that nursing staff should be involved in the end-of-life decision process (P < 0.001) and that relatives should not be responsible for medical decisions (P < 0.001). Postcourse, more participants considered 'withdrawal/withholding' as similar actions (P < 0.001); deemed appropriate the use of pre-emptive sedation in all patients undergoing life support treatment adequacy (LSTA; P < 0.001); and were favourable to approaching family about donation upon LSTA agreement, as well as admitting them in the intensive care unit (P < 0.001) to allow the possibility of donation. Education increased the number of participants prone to initiate measures to preserve the organs for donation before the declaration of death in patients undergoing LSTA (P < 0.001). Training increased number of positive terms selected by participants to describe donation after brain and circulatory death. Training programmes may be useful to improve physicians' perception and attitude about including donation as part of the patient's EOLC.

Incidence and Risk Model Development for Severe Tachypnea Following Terminal Extubation

BACKGROUND

Palliative ventilator withdrawal (PVW) in the ICU is a common occurrence.

RESEARCH QUESTION

The goal of this study was to measure the rate of severe tachypnea as a proxy for dyspnea and to identify characteristics associated with episodes of tachypnea.

STUDY DESIGN AND METHODS

This study assessed a retrospective cohort of ICU patients from 2008 to 2012 mechanically ventilated at a single academic medical center who underwent PVW. The primary outcome of at least one episode of severe tachypnea (respiratory rate > 30 breaths/min) within 6 h after PVW was measured by using detailed physiologic and medical record data. Multivariable logistic regression was used to examine the association between patient and treatment characteristics with the occurrence of a severe episode of tachypnea post extubation.

RESULTS

Among 822 patients undergoing PVW, 19% and 30% had an episode of severe tachypnea during the 1-h and 6-h postextubation period, respectively. Within 1 h postextubation, patients with the following characteristics were more likely to experience tachypnea: no pre-extubation opiates (adjusted OR [aOR], 2.08; 95% CI, 1.03-4.19), lung injury (aOR, 3.33; 95% CI, 2.19-5.04), Glasgow Coma Scale score > 8 (aOR, 2.21; 95% CI, 1.30-3.77), and no postextubation opiates (aOR, 1.90; 95% CI, 1.19-3.00).

INTERPRETATION

Up to one-third of ICU patients undergoing PVW experience severe tachypnea. Administration of pre-extubation opiates (anticipatory dosing) represents a key modifiable factor that may reduce poor symptom control.

Sedation practice and discomfort during withdrawal of mechanical ventilation in critically ill patients at end-of-life: a post-hoc analysis of a multicenter study

PURPOSE

Little is known on the incidence of discomfort during the end-of-life of intensive care unit (ICU) patients and the impact of sedation on such discomfort. The aim of this study was to assess the incidence of discomfort events according to levels of sedation.

METHODS

Post-hoc analysis of an observational prospective multicenter study comparing immediate extubation vs. terminal weaning for end-of-life in ICU patients. Discomforts including gasps, significant bronchial obstruction or high behavioural pain scale score, were prospectively assessed by nurses from mechanical ventilation withdrawal until death. Level of sedation was assessed using the Richmond Agitation-Sedation Scale (RASS) and deep sedation was considered for a RASS - 5. Psychological disorders in family members were assessed up until 12 months after the death.

RESULTS

Among the 450 patients included in the original study, 226 (50%) experienced discomfort after mechanical ventilation withdrawal. Patients with discomfort received lower doses of midazolam and equivalent morphine, and were less likely to have deep sedation than patients without discomfort (59% vs. 79%, p < 0.001). After multivariate logistic regression, extubation (as compared terminal weaning) was the only factor associated with discomfort, whereas deep sedation and administration of vasoactive drugs were two factors independently associated with no discomfort. Long-term evaluation of psychological disorders in family members of dead patients did not differ between those with discomfort and the others.

CONCLUSION

Discomfort was frequent during end-of-life of ICU patients and was mainly associated with extubation and less profound sedation.

Mechanical ventilation in medical departments: a necessary evil, or a blessing in bad disguise?

In most countries there is a mismatch between demand for intensive care unit (ICU) beds and ICU bed availability. Because of a policy of low ICU-bed reimbursement this mismatch is much more profound in Israel, which arguably has the lowest number of ICU beds/1000 population of OECD countries. Increasing demand for mechanical ventilation has led to an ever-rising presence of ventilated patients in medical departments, which may reach up to 15% or more of medical beds, especially during winter months, posing serious challenges such as: delivery of adequate treatment, guaranteeing patient safety, nosocomial infections, emergence and spread of resistant organisms, dissatisfaction among family members and medical and nursing staff, as well as enormous direct and indirect expenses.

This paper assumes that no change in ICU reimbursement will occur in the near future. We, therefore, describe a number of policy issues that should ideally be addressed together in order to cope realistically with the increase in mechanically ventilated patients in medical departments. First, all medical departments should operate a 5-bed augmented care room with one dedicated nurse per shift. Medical residents should receive a mandatory 3-month ICU rotation in their first year of residency, and attending physicians should receive adequate training in mechanical ventilation and vasopressor support, point-of-care ultrasound and central venous catheterization. Second, family physicians should be required to discuss and fill relevant forms with advance directives for elderly and/or chronically ill patients. Third, rules for terminal extubation should be established, even if only applied infrequently. Finally, co-payment should be considered for families of patients demanding all possible medical treatment in spite of contrary medical advice, considering these patients’ terminal status.

Implementation of these recommendations will require policy decision making in the Ministry of Health, Scientific Council of the Israeli Medical Association, the professional societies (for internal medicine and family practice) and finally by the leadership of individual hospitals.

A Systematic Approach to Comfort Care Transitions in the Emergency Department

BACKGROUND

Approximately 25-30% of Americans die within hospitals. An increasingly geriatric and chronically ill population arrive at emergency departments (EDs) for their terminal presentation. Many patients will not choose, nor are EDs obligated to deliver, futile care. Instead, aggressive comfort care may alleviate patient, family, and clinician distress.

OBJECTIVES

To discuss best practice through a systematic approach to comfort care transitions for the dying ED patient.

METHODS

Authors utilized a structured literature search conducted via PubMed (MEDLINE), Embase, and CINAHL databases, including studies from 1998 onward focusing on symptom palliation and coordination of care for acutely dying patients.

DISCUSSION

Comfort care begins with the language used to introduce the transition. Frame choices to avoid creating feelings of familial abandonment. Prognostication in the dying process helps guide treatment planning and stewarding families. Symptom management in the actively dying patient involves diligent titration of medications as well as thoughtful ordering in de-escalation of life-support modalities. Compassionate extubation necessitates anticipation of postextubation dyspnea or airway loss, and therefore may require step-wise weaning of pulmonary support. Suffering at the end of life for patients and families is multidimensional, and is best approached with an interdisciplinary effort involving clinicians, social work, and chaplaincy.

CONCLUSION

Comfort care deaths are a daily occurrence in the ED. A systematic approach to these transitions ensures optimal care for patients in their final hours and families' experience of these events.

Decision-making in end of life care. Are we really playing together in the same team?

BACKGROUND

Limitation of life-sustaining treatment is increasingly common in critical care units, and controlled donation after circulatory death is starting to be included as an option within patient care plans. Lack of knowledge and misunderstandings can place a barrier between healthcare professionals.

OBJECTIVE

To determine the perceptions, knowledge and attitudes of physicians and nurses working in intensive care units regarding Limitation of life-sustaining treatment and controlled donation after circulatory death.

DESIGN, SETTINGS AND PARTICIPANTS

Cross-sectional study carried out in 13 Spanish hospitals by means of an ad hoc questionnaire.

METHODS

Contingency tables, Pearson's chi-squared test, Student's t-test and the Mann-Whitney u-test were used to carry out descriptive, bivariate and multivariate statistical analyses of responses.

RESULTS

Although Limitation of life-sustaining treatment is a widespread practice, the survey revealed that nurses feel excluded from the development of protocols and the decision-making process, whilst the perception of physicians is that they have greater knowledge of the topic, and decisions are reached in consensus.

CONCLUSIONS

Multi-disciplinary training programmes can help critical healthcare providers to work together with greater coordination, thus benefitting patients and their next of kin by providing excellent end-of-life care.

Impact of training on intensive care providers' attitudes and knowledge regarding limitation of life-support treatment and organ donation after circulatory death

The limitation of life-sustaining treatment is common practice in critical care units, and organ donation after circulatory death has come to be included as an option within this care plan. Lack of knowledge and misunderstandings can raise barriers between health-care providers (e.g., confusion about professional roles, lack of collaboration, doubts about the legality of the process, and not respecting patients' wishes in the decision-making process). The aim of the present study was to determine the knowledge and attitudes of intensive care physicians and nurses before and after a multidisciplinary online training program. A cross-sectional study was performed, and comparisons between the two groups were made using a χ² -test for categorical data and unpaired t-test or Mann-Whitney rank sum test for continuous data according to its distribution. Training benefited both professional categories, helping nurses to be more open-minded and willing to collaborate, while physicians became more aware of nurses' presence and the need to collaborate with them.

Organ donation after controlled cardiac death under Maastricht category iii: Ethical implications and end of life care

The decrease in potential donation after brain death has resulted in a need to evaluate alternative sources. Donation after cardiac death is a good option. The objectives of this article are to describe the Maastricht type iii controlled organ donation characteristics and to determine end-of-life care and the role of nurses in the donation process. In this type of donation, cardiocirculatory arrest is predictable after the limitation of life sustaining treatments. These are patients for whom there are no effective therapy options and, in the context of an organised and planned practice involving all the professionals involved in the care of the patient, the decision is made, in consultation with the family, to withdraw life support measures. This limitation of life sustaining treatments is never carried out with the aim of making a Maastricht iii donation, but to avoid prolonging the dying process through useless and possibly degrading interventions. The obligation of the health team is to provide a dignified death and this not only includes the absence of pain, but the patient and their family must be guaranteed a feeling of calmness and serenity. Once the decision has been taken to withhold or withdraw measures, the nurse has an important role in the implementation of a palliative care plan in where physicians, nurses and patients/families should be involved and whose focus should be on patients' dignity and comfort, considering their physical, psychological and spiritual needs.

Terminal weaning or immediate extubation for withdrawing mechanical ventilation in critically ill patients (the ARREVE observational study)

PURPOSE

The relative merits of immediate extubation versus terminal weaning for mechanical ventilation withdrawal are controversial, particularly regarding the experience of patients and relatives.

METHODS

This prospective observational multicentre study (ARREVE) was done in 43 French ICUs to compare terminal weaning and immediate extubation, as chosen by the ICU team. Terminal weaning was a gradual decrease in the amount of ventilatory assistance and immediate extubation was extubation without any previous decrease in ventilatory assistance. The primary outcome was posttraumatic stress symptoms (Impact of Event Scale Revised, IES-R) in relatives 3 months after the death. Secondary outcomes were complicated grief, anxiety, and depression symptoms in relatives; comfort of patients during the dying process; and job strain in staff.

RESULTS

We enrolled 212 (85.5%) relatives of 248 patients with terminal weaning and 190 relatives (90.5%) of 210 patients with immediate extubation. Immediate extubation was associated with airway obstruction and a higher mean Behavioural Pain Scale score compared to terminal weaning. In relatives, IES-R scores after 3 months were not significantly different between groups (31.9 ± 18.1 versus 30.5 ± 16.2, respectively; adjusted difference, -1.9; 95% confidence interval, -5.9 to 2.1; p = 0.36); neither were there any differences in complicated grief, anxiety, or depression scores. Assistant nurses had lower job strain scores in the immediate extubation group.

CONCLUSIONS

Compared to terminal weaning, immediate extubation was not associated with differences in psychological welfare of relatives when each method constituted standard practice in the ICU where it was applied. Patients had more airway obstruction and gasps with immediate extubation.

TRIAL REGISTRATION

ClinicalTrials.gov identifier: NCT01818895.

Withdrawal of Ventilatory Support at Home on Hospice

CONTEXT

When ventilatory support is withdrawn in an intensive care unit (ICU), the place of death for most patients is the hospital. However, the majority of terminally ill patients prefer to die at home. Few articles have addressed taking adult mechanically ventilated patients home from the ICU for withdrawal of ventilatory support (WVS).

OBJECTIVES

To determine the outcomes of a protocol-driven program of WVS in the home under hospice care.

METHODS

A retrospective chart review of 14 consecutive patients who had WVS at home. All subjects were mechanically ventilated ICU patients referred to hospice with a request for WVS to be performed in the patient's home. A protocol/checklist guided care. Medical records were reviewed to obtain demographic and medical information, particularly for duration of mechanical ventilation, the use of premedication, level of consciousness at the time of WVS, symptoms following WVS, pharmacologic measures used for symptom control after WVS, and survival time after WVS.

RESULTS

At the time of WVS, five patients were awake or arousable and nine were stuporous or comatose. Ten patients required no medication before WVS; only four required medications for symptom control after WVS. Median survival after WVS was 18.15 hours. In all cases, symptomatic control was judged to be excellent.

CONCLUSION

Successful WVS and a natural death at home is possible with logistic support from the hospice organization and the expertise of the hospice team, guided by a comprehensive protocol/checklist.

ICU physicians' and nurses' perceptions of terminal extubation and terminal weaning: a self-questionnaire study

PURPOSE

Terminal extubation (TE) and terminal weaning (TW) are the methods available for withdrawing mechanical ventilation. Perceptions of TE and TW by intensive care unit (ICU) staff may influence bedside practices and the feasibility of studies comparing these methods.

METHODS

From January to June 2013, 5 nurses and 5 physicians in each of 46 (out of 70, 65.7 %) French ICUs completed an anonymous self-questionnaire. Clusters of staff members defined by perceptions of TE and TW were identified by exploratory analysis. Denominators for computing percentages were total numbers of responses to each item; cases with missing data were excluded for the relevant item.

RESULTS

Of the 451 (98 %) participants (225 nurses and 226 physicians), 37 (8.4 %) had never or almost never performed TW and 138 (31.3 %) had never or almost never performed TE. A moral difference between TW and TE was perceived by 205 (45.8 %) participants. The exploratory analysis identified three clusters defined by personal beliefs about TW and TE: 21.2 % of participants preferred TW, 18.1 % preferred TE, and 60.7 % had no preference. A preference for TW seemed chiefly related to unfavorable perceptions or insufficient knowledge of TE. Staff members who preferred TE and those with no preference perceived TE as providing a more natural dying process with less ambiguity.

CONCLUSION

Nearly two-fifths of ICU nurses and physicians in participating ICUs preferred TW or TE. This finding suggests both a need for shared decision-making and training before performing TE or TW and a high risk of poor compliance with randomly allocated TW or TE.

An Observational Study on a Protocol for Withdrawal of Life-Sustaining Measures on Two Non-Academic Intensive Care Units in The Netherlands: Few Signs of Distress, No Suffering?

CONTEXT

Because anticipation of death is common within the intensive care unit, attention must be paid to the prevention of distressing signs and symptoms, enabling the patient to die peacefully. In the relevant studies on this subject, there has been a lack of focus on measuring determinants of comfort in this population.

OBJECTIVES

To evaluate whether dying without distressing signs after the withdrawal of life-sustaining measures is possible using a newly introduced protocol and to analyze the potential influence of opioids and sedatives on time till death.

METHODS

This was a prospective observational study, in two nonacademic Dutch intensive care units after the introduction of a national protocol for end-of-life care. The study lasted two years and included adult patients in whom mechanical ventilation and/or vasoactive medication was withdrawn. Exclusion criteria included all other causes of death.

RESULTS

During the study period, 450 patients died; of these, 305 patients were eligible, and 241 were included. Ninety percent of patients were well sedated before and after withdrawal. Severe terminal restlessness, death rattle, or stridor was seen in less than 6%. Dosages of opioids and sedatives increased significantly after withdrawal, but did not contribute to a shorter time till death according the regression analysis.

CONCLUSION

The end-of-life protocol seems effective in realizing adequate patient comfort. Most patients in whom life-sustaining measures are withdrawn are well sedated and show few signs of distress. Dosages of opioids and sedatives increase significantly during treatment withdrawal but do not contribute to time until death. Dying with a minimum of distressing signs is thus practically possible and ethically feasible.

Sedatives and Analgesics Given to Infants in Neonatal Intensive Care Units at the End of Life

OBJECTIVE

To describe the administration of sedatives and analgesics at the end of life in a large cohort of infants in North American neonatal intensive care units.

STUDY DESIGN

Data on mortality and sedative and analgesic administration were from infants who died from 1997-2012 in 348 neonatal intensive care units managed by the Pediatrix Medical Group. Sedatives and analgesics of interest included opioids (fentanyl, methadone, morphine), benzodiazepines (clonazepam, diazepam, lorazepam, midazolam), central alpha-2 agonists (clonidine, dexmedetomidine), ketamine, and pentobarbital. We used multivariable logistic regression to evaluate the association between administration of these drugs on the day of death and infant demographics and illness severity.

RESULTS

We identified 19 726 infants who died. Of these, 6188 (31%) received a sedative or analgesic on the day of death; opioids were most frequently administered, 5366/19 726 (27%). Administration of opioids and benzodiazepines increased during the study period, from 16/283 (6%) for both in 1997 to 523/1465 (36%) and 295/1465 (20%) in 2012, respectively. Increasing gestational age, increasing postnatal age, invasive procedure within 2 days of death, more recent year of death, mechanical ventilation, inotropic support, and antibiotics on the day of death were associated with exposure to sedatives or analgesics.

CONCLUSIONS

Administration of sedatives and analgesics increased over time. Infants of older gestational age and those more critically ill were more likely to receive these drugs on the day of death. These findings suggest that drug administration may be driven by severity of illness.

Compassionate extubation for a peaceful death in the setting of a community hospital: a case-series study

BACKGROUND

The use of compassionate extubation (CE) to alleviate suffering by terminating mechanical ventilation and withdrawing the endotracheal tube requires professional adherence and efficiency. The Hospice Palliative Care Act, amended on January 9, 2013, legalizes the CE procedure in Taiwan.

METHODS

From September 20, 2013 to September 2, 2014, the hospice palliative care team at a community hospital received 20 consultations for CE. Eight cases were excluded because of non-qualification. Following approval from the Ethics Committee, the medical records of the remaining 12 patients were reviewed and grouped by the underlying disease: A, "terminal-stage cancer"; B, "non-cancer out-of-hospital cardiac arrest"; and C, "non-cancer organ failure". Time to extubation using a cut-off at 48 hours was assessed.

RESULTS

The mean ages of patients (standard deviation) in groups A, B, and C were 66.3 (14.9) years, 72 (19.1) years, and 80.3 (4.0) years, respectively. The mean number of days of intubation at consultation were 6.8 (4.9), 7.3 (4.9), and 179.3 (271.6), respectively. The mean total doses of opioids (as morphine-equivalent dose) in the 24 hours preceding CE were 76 (87.5) mg, 3.3 (5.8) mg, and 43.3 (15.3) mg. The median times from extubation (range) to death were 97 (0.2-245) hours, 0.3 (0.2-0.4) hours, and 6.1 (3.6-71.8) hours. Compared to those requiring <48-hour preparatory time, patients requiring >48 hours to the moment of CE were younger (62.8 years vs 75.5 years), required a mean time of 122 hours (vs 30 hours) to CE (P=0.004), had shorter length of stay (33.3 days vs 77.8 days), required specialist social worker intervention in 75% of cases (vs 37.5%), and had a median duration of intubation of 11.5 days (vs 5.5 days).

CONCLUSION

CE was carried out according to protocol, and the median time from extubation to death varies determined by the underlying disease which was 0.3 hour in patients admitted after out-of-hospital cardiac arrest and 97 hours in patients with advanced cancer.

Discontinuance of life sustaining treatment utilizing ketamine for symptom management

We present the case of an otherwise healthy 21-year-old female who developed severe respiratory failure following a minor procedure requiring ECMO and bi-level ventilation. During her protracted ICU course, she had significant difficulties with agitation and was titrated to the following regimen: hydromorphone 30 mg/hour, fentanyl 200 mcg/hour, dexmedetomidine 1.5 mcg/kg/hour, propofol at 70 mcg/kg/min, and midazolam at 20 mg/hour. We were consulted to assist in withdrawal of life prolonging measures at the family's request and given high doses of commonly used opioid and sedative medications successfully utilized methadone and ketamine for symptom control. This case study would indicate that in selected patients on high dose opioid and sedative medications prior to withdrawal of life prolonging measures ketamine may be considered for symptom management.

[Eligibility to a Maastricht III - type organ donation according to the protocol proposed by the French organ procurement organization (Agence de la biomedicine) among patients in a medico surgical intensive care unit]

OBJECTIVE

Because of graft shortages, an experimental programme of organ donation after Maastricht 3-type circulatory death (M3) has been proposed by the French organ procurement organization (Agence de la biomedicine: ABM). The aim of the study was to estimate how many potential patients were eligible for an M3-type organ donation, amongst deceased patients who have had life-support withdrawn.

PATIENTS AND METHODS

We conducted a retrospective study looking at the notes of deceased patients in a French general intensive care unit (ICU), where organ donation is arranged in DBD donors.

RESULTS

Over the year 2013, 1475 patients were admitted in ICU and 215 died. One hundred and one patients were brain-injured and 26 of them died following a decision to withdrawn life-support and without contraindication to organ donation. Among them, 2 patients (8%) met the criteria for the French M3-type organ donation protocol. A 12.5% increase in organ donation activity of our team and five organ transplantations could have been considered.

CONCLUSION

If M3 organ donation is considered, a significant increase in transplantation would be expected.

End of life in the intensive care unit: should French law be adapted?

BACKGROUND

Longstanding concerns regarding end of life in the ICU led in France to the publication of guidelines, updated in 2009, that take into account the insights provided by a recent law (Leonetti's law) regarding patients' rights. After the French President asked a specific expert to review end of life issues, the French Intensive Care Society (SRLF) surveyed their members (doctors and paramedics) about various aspects of end of life in the ICU.

METHODS

SRLF members were invited to respond to a questionnaire, sent by Email, designed to assess their knowledge of Leonetti's law and to determine how many caregivers would agree with the authorization of lethal drug administration in selected end of life situations.

RESULTS

Questionnaires returned by 616 (23%) of 2,700 members were analyzed. Most members (82.5%) reported that they had a good knowledge of Leonetti's law, which most (88%) said they have often applied. One third of respondents had received 'assisted death' requests from patients and more than 50% from patients' relatives. One quarter of respondents had experienced the wish to give lethal drugs to end of life patients. Assuming that palliative care in the ICU is well-managed, 25.7% of the respondents would approve a law authorizing euthanasia, while 26.5% would not. Answers were influenced by the fear of a possible risk of abuse. Doctors and nurses answered differently.

CONCLUSION

ICU caregivers appear to be well acquainted with Leonetti's law. Nevertheless, in selected clinical situations with suitable palliative care, one quarter of respondents were in favor of a law authorizing administration of lethal drugs to patients.

Judging the quality of mercy: drawing a line between palliation and euthanasia

Clinicians frequently worry that medications used to treat pain and suffering at the end of life might also hasten death. Intentionally hastening death, or euthanasia, is neither legal nor ethically appropriate in children. In this article, we explore some of the historical and legal background regarding appropriate end-of-life care and outline what distinguishes it from euthanasia. Good principles include clarity of goals and assessments, titration of medications to effect, and open communication. When used appropriately, medications to treat symptoms should rarely hasten death significantly. Medications and interventions that are not justifiable are also discussed, as are the implications of palliative sedation and withholding fluids or nutrition. It is imperative that clinicians know how to justify and use such medications to adequately treat suffering at the end of life within a relevant clinical and legal framework.

Integrating palliative care in the intensive care unit

The admission of cancer patients into intensive care units (ICUs) is on the rise. These patients are at high risk for physical and psychosocial suffering. Patients and their families often face difficult end-of-life decisions that highlight the importance of effective and empathetic communication. Palliative care teams are uniquely equipped to help care for cancer patients who are admitted to ICUs. When utilized in the ICU, palliative care has the potential to improve a patient's symptoms, enhance the communication between care teams and families, and improve family-centered decision making. Within the context of this article, we will discuss how palliative care can be integrated into the care of ICU patients and how to enhance family-centered communication; we will also highlight the care of ICU patients at the end of life.