One life ends, another begins: Management of a brain-dead pregnant mother-A systematic review-

The decedent model: A new paradigm for de-risking high stakes clinical trials like xenotransplantation

The first 2 living recipients of pig hearts died unexpectedly within 2 months, despite both recipients receiving what over 30 years of nonhuman primate (NHP) research would suggest were the optimal gene edits and immunosuppression to ensure success. These results prompt us to question how faithfully data from the NHP model translate into human outcomes. Before attempting any further heart xenotransplants in living humans, it is highly advisable to gain a more comprehensive understanding of why the promising preclinical NHP data did not accurately predict outcomes in humans. It is also unlikely that additional NHP data will provide more information that would de-risk a xenoheart clinical trial because these cases were based on the best practices from the most successful NHP results to date. Although imperfect, the decedent model offers a complementary avenue to determine appropriate treatment regimens to control the human immune response to xenografts and better understand the biologic differences between humans and NHP that could lead to such starkly contrasting outcomes. Herein, we explore the potential benefits and drawbacks of the decedent model and contrast it to the advantages and disadvantages of the extensive body of data generated in the NHP xenoheart transplantation model.

Caring for Pregnant Patients with Cancer: A Framework for Ethical and Patient-Centred Care

(1) Background: Caring for pregnant cancer patients is clinically and ethically complex. There is no structured ethical guidance for healthcare professionals caring for these patients. (2) Objective: This concept paper proposes a theoretically grounded framework to support ethical and patient-centred care of pregnant cancer patients. (3) Methodological approach: The framework development was based on ethical models applicable to cancer care during pregnancy-namely principle-based approaches (biomedical ethics principles developed by Beauchamp and Childress and the European principles in bioethics and biolaw) and relational, patient-focused approaches (relational ethics, ethics of care and medical maternalism)-and informed by a systematic review of clinical practice guidelines. (4) Results: Five foundational discussion themes, summarising the key ethical considerations that should be taken into account by healthcare professionals while discussing treatment and care options with these patients, were identified. This was further developed into a comprehensive ethics checklist that can be used during clinical appointments and highlights the need for a holistic view to patient treatment, care and counselling while providing ethical, patient-centric care. (5) Conclusion: The proposed framework was further operationalised into an ethics checklist for healthcare professionals that aims to help them anticipate and address ethical concerns that may arise when attending to pregnant cancer patients. Further studies exploring clinicians' attitudes towards cancer treatment in the course of pregnancy and patient experiences when diagnosed with cancer while pregnant and wider stakeholder engagement are needed to inform the development of further ethical, patient-centred guidance.

Frequent Preservation of Neurologic Function in Brain Death and Brainstem Death Entails False-Positive Misdiagnosis and Cerebral Perfusion

Some patients who have been diagnosed as "dead by neurologic criteria" continue to exhibit certain brain functions, most commonly, neuroendocrine functions. This preservation of neurologic function after the diagnosis of "brain death" or "brainstem death" is an ongoing source of controversy and concern in the medical, bioethics, and legal literatures. Most obviously, if some brain function persists, then it is not the case that all functions of the entire brain have ceased and hence, declaring such a patient to be "dead" would be a false positive, in any nation with so-called "whole brain death" laws. Furthermore, and perhaps more concerning, the preservation of any brain function necessarily entails the preservation of some amount of brain perfusion, thereby raising the concern as to whether additional areas of neural tissue may remain viable, including areas in the brainstem. These and other considerations cast significant doubt on the reliability of diagnosing either "brain death" or "brainstem death."

Cryonics, euthanasia, and the doctrine of double effect

In 1989, Thomas Donaldson requested the California courts to allow physicians to hasten his death. Donaldson had been diagnosed with brain cancer, and he desired to die in order to cryonically preserve his brain, so as to stop its further deterioration. This case elicits an important question: is this a case of euthanasia? In this article, we examine the traditional criteria of death, and contrast it with the information-theoretic criterion. If this criterion is accepted, we posit that Donaldson's case would have been cryocide, but not euthanasia. We then examine if cryocide is an ethically feasible alternative to euthanasia. To do so, we rely on the ethical doctrine of double effect.

Ten Rules for the Management of Moderate and Severe Traumatic Brain Injury During Pregnancy: An Expert Viewpoint

Moderate and severe traumatic brain injury (TBI) are major causes of disability and death. In addition, when TBI occurs during pregnancy, it can lead to miscarriage, premature birth, and maternal/fetal death, engendering clinical and ethical issues. Several recommendations have been proposed for the management of TBI patients; however, none of these have been specifically applied to pregnant women, which often have been excluded from major trials. Therefore, at present, evidence on TBI management in pregnant women is limited and mostly based on clinical experience. The aim of this manuscript is to provide the clinicians with practical suggestions, based on 10 rules, for the management of moderate to severe TBI during pregnancy. In particular, we firstly describe the pathophysiological changes occurring during pregnancy; then we explore the main strategies for the diagnosis of TBI taking in consideration the risks related to mother and fetus, and finally we discuss the most appropriate approaches for the management in this particular condition. Based on the available evidence, we suggest a stepwise approach consisting of different tiers of treatment and we describe the specific risks according to the severity of the neurological and systemic conditions of both fetus and mother in relation to each trimester of pregnancy. The innovative feature of this approach is the fact that it focuses on the vulnerability and specificity of this population, without forgetting the current knowledge on adult non-pregnant patients, which has to be applied to improve the quality of the care process.

Traumatic Brain Injury in Pregnancy

Objective The present paper aims to provide a review on the main complications involving traumatic brain injury (TBI) during pregnancy and on the vegetative state after TBI.

Methods A systematic review was performed in concordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) criteria checklist.

Results Seven studies were included, of which four were case reports, one was a follow-up, one was a comparative study, and one was a literature review.

Discussion Presence of neurological deficits such as hemiparesis, neonatal seizures, cerebral palsy, hemorrhage or hydrocephalus was observed in children of mothers who suffered trauma during pregnancy. The prolongation of a pregnancy in these victims, even in brain death, is within the reach of current medicine. Ethical issues must be considered when deciding to prolong a pregnancy of a woman in brain death.

Conclusion For the evaluation of pregnant women with TBI, there is a protocol that can be followed in the emergency care service. The cases reported in the literature suggest that there is no clear limit to restrict support to a pregnant patient in a vegetative state. Further studies should be done to elucidate this matter.

Acute Intracranial Hypertension During Pregnancy: Special Considerations and Management Adjustments

Pregnancy is associated with a number of pathophysiological changes (including modification of vascular resistance, increased vascular permeability, and coagulative disorders) that can lead to specific (eclampsia, preeclampsia) or not specific (intracranial hemorrhage) neurological complications. In addition to these disorders, pregnancy can affect numerous preexisting neurologic conditions, including epilepsy, brain tumors, and intracerebral bleeding from cerebral aneurysm or arteriovenous malformations. Intracranial complications related to pregnancy can expose patients to a high risk of intracranial hypertension (IHT). Unfortunately, at present, the therapeutic measures that are generally adopted for the control of elevated intracranial pressure (ICP) in the general population have not been examined in pregnant patients, and their efficacy and safety for the mother and the fetus is still unknown. In addition, no specific guidelines for the application of the staircase approach, including escalating treatments with increasing intensity of level, for the management of IHT exist for this population. Although some of basic measures can be considered safe even in pregnant patients (management of stable hemodynamic and respiratory function, optimization of systemic physiology), some other interventions, such as hyperventilation, osmotic therapy, hypothermia, barbiturates, and decompressive craniectomy, can lead to specific concerns for the safety of both mother and fetus. The aim of this review is to summarize the neurological pathophysiological changes occurring during pregnancy and explore the effects of the possible therapeutic interventions applied to the general population for the management of IHT during pregnancy, taking into consideration ethical and clinical concerns as well as the decision for the timing of treatment and delivery.

Extracorporeal Membrane Oxygenation for Pregnant and Postpartum Patients

Extracorporeal membrane oxygenation (ECMO) has seen increasing use for critically ill pregnant and postpartum patients over the past decade. Growing experience continues to demonstrate the feasibility of ECMO in obstetric patients and attest to its favorable outcomes. However, the interaction of pregnancy physiology with ECMO life support requires careful planning and adaptation for success. Additionally, the maintenance of fetal oxygenation and perfusion is essential for safely continuing pregnancy during ECMO support. This review summarizes the considerations for use of ECMO in obstetric patients and how to address these concerns.

Somatic Support with Veno-venous ECMO in a Pregnant Woman with Brain Death: A Case Report

Supporting homeostasis in a pregnant woman with brain death to achieve fetal viability is called somatic support. We present a case of young pregnant woman at 21 weeks' gestation who developed acute respiratory distress syndrome secondary to influenza A H2N3 infection requiring veno-venous extracorporeal membrane oxygenation (VV ECMO) support for refractory hypoxemia. The clinical course was complicated by intracranial hemorrhage and subsequent brain death. After multidisciplinary team discussion with her family, consensus was reached to continue somatic support with VV ECMO to enable fetal development to attain extrauterine viability. The challenging clinical, ethical, and legal concerns are discussed.

Brain death in early pregnancy: A legal and ethical challenge coming to your intensive care unit?

Increasingly, reports are emerging of maternal physiological support after brain death in pregnant women declared brain dead long before the gestational age of foetal viability. While these 'miracle babies' often receive significant media attention - such as the recent case of Catarina Sequeira - it is difficult to estimate the probability of a live birth in such circumstances given a clear publication bias in favour of reporting good outcomes. In a number of highly publicised cases, continuation of maternal physiological support after brain death has been attempted against the express wishes of the patient's family in jurisdictions where a foetal right to life is given weight in law. The legal issues around discontinuation of maternal physiological support after brain death have not yet been assessed by a UK court. The scenario is easily envisioned, however, where conflict emerges as to the appropriateness of such support. While there is no statutory definition of death in the UK, the courts have accepted brain-dead patients as legally dead upon completion of brainstem testing. However, as UK law grants few explicit legal rights to a foetus, it is unclear as to how conflicts are to be resolved. This article is not intended as a systematic review of the medical or legal academic literature, nor as a review of the clinical management of the pregnant brain-dead patient; rather, it aims to summarise the evidence base for maternal physiological support after brain death and the relevant case law. Using a recent case as an example, this article will outline the legal approach to death in the UK, contrast the status in law of a brain-dead mother and her foetus, and advance an argument of the circumstances in which maternal physiological support after brain death may be ethically justifiable. The authors hope this will assist the UK intensivist in the complex decision-making such cases demand.

[Pregnancy and Irreversible Loss of Brain Functions - Case Report]

A 29-year-old woman suffered major traumatic brain injury caused by a car accident. As diagnostic measures had revealed an early pregnancy (9th week), treatment on the intensive care unit was continued for 5 months, after unfavourable cerebral prognosis was followed by an irreversible loss of brain function in the 10th week of pregnancy. After assisted vaginal delivery of a healthy child in the 31th week of pregnancy on the critical care unit, organ procurement took place according to the presumed will of the patient. The article presents the details of the critical care therapy and discusses the supportive medical measures. Those measures served primarily to uphold the pregnancy und support the healthy development and delivery of the fetus and only in second instance the organ preservation aiming on organ donation. Necessary measures included maintenance of vital functions, hemostasis of electrolytes, nutrition, treatment of infection, prevention of adverse effects on the fetus, substitution of hormones and vitamins as well as the preparation of a planned or an unplanned delivery.

[Ethical, Psychosocial and Legal Aspects of the Treatment of Pregnant Patients with Brain Death]

The therapy of brain-dead pregnant women is an extreme example not only of the possibilities in current critical care, but also of resulting ethical, social and legal controversies, an area not familiar to most clinicians. Based on the case of a patient with fatal traumatic brain injury, a previously unknown early pregnancy and stated will to donate organs, we will discuss several aspects using published case reports: therapeutic goals, especially palliative care vs. continuation; implications of brain death diagnosis; considerations on legal care; involvement of relatives, especially the child's father; dynamics within the care team; and finally the issue of putative organ donation. This complex case once more depicts that even facing such highly unfavourable framework and seemingly irreconcilable factors, pregnancy can prevail. The researched facts and considerations in this article are intended to give an overview of potential dilemmas and might serve as a starting point in similar situations.

It Is Time to Abandon the Dogma That Brain Death Is Biological Death

Drawing on a recent case report of a pregnant, brain-dead woman who gave birth to a healthy child after over seven months of intensive care treatment, this essay rejects the established doctrine in medicine that brain death constitutes the biological death of the human being. The essay describes three policy options with respect to determination of death and vital organ transplantation in the case of patients who are irreversibly comatose but remain biologically alive.

Delivery of a Healthy Baby from a Brain-Dead Woman After 117 Days of Somatic Support: A Case Report

BACKGROUND The care and management of brain-dead pregnant women is surrounded by legal and ethical controversies. Gestational age is directly proportional to newborn survival. We report a case of a brain-dead pregnant woman at the 16th week of gestation and the successful delivery of a healthy child after 117 days of maternal somatic support. CASE REPORT A 27-year-old pregnant woman at 16 weeks' gestation with large intracerebral hematoma after rupture of an arteriovenous malformation was admitted to our intensive care unit. Signs of brain death developed early, and the woman was confirmed to be brain dead after day 6 of hospitalization. The decision-making process regarding course of medical treatment was complex and accompanied by uncertainties arising from the absence of a legal, ethical, and professional framework. A complex multidisciplinary approach was followed. The main aim was to maintain the brain-dead woman's homeostasis to allow for proper development of the fetus. Monitoring of fetal growth was considered the best endpoint, and satisfactory fetus development was achieved. A healthy child was delivered with a birth weight of 2140 g. Her Apgar score was 10/10/10 at 1, 5, and 10 minutes, respectively, and favorable outcomes were observed at a 1-year follow-up. CONCLUSIONS Brain death during pregnancy is an extremely rare but increasingly common condition. Guidelines for care management are lacking, and reporting these cases may help establish medical treatment in future cases. We show that somatic support of the body of a brain-dead pregnant woman for an extended period of time can lead to successful delivery of a healthy child.

Brain death in pregnancy: a systematic review focusing on perinatal outcomes

OBJECTIVE

Brain death (BD) during pregnancy might justify in select cases maternal somatic support to obtain fetal viability and maximize perinatal outcome. This study is a systematic review of the literature on cases of brain death in pregnancy with attempt to prolong pregnancy to assess perinatal outcomes.

DATA SOURCES

We performed a systematic review of the literature using Ovid MEDLINE, Scopus, PubMed (including Cochrane database), and CINHAIL from inception to April 2020.

STUDY ELIGIBILITY CRITERIA

Relevant articles describing any case report of maternal brain death were identified from the aforementioned databases without any time, language, or study limitations. Studies were deemed eligible for inclusion if they described at least 1 case of maternal brain death.

METHODS

Only cases of brain death in pregnancy with maternal somatic support aimed at maximizing perinatal outcome were included. Maternal management strategy, diagnosis, clinical course, fetal monitoring, delivery, and fetal and neonatal outcome data were collected. Mean, range, standard deviation, and percentage calculations were used as applicable.

RESULTS

After exclusion, 35 cases of brain death in pregnancy were analyzed. The mean gestational age at diagnosis of brain death was at 20.2±5.3 weeks, and most cases (68%) were associated with maternal intracranial hemorrhage, subarachnoid hemorrhage, and hematoma. The most common maternal complications during the study were infections (69%) (eg, pneumonia, urinary tract infection, sepsis), circulatory instability (63%), diabetes insipidus (56%), thermal variability (41%), and panhypopituitarism (34%). The most common indications for delivery were maternal cardiocirculatory instability (38%) and nonreassuring fetal testing (35%). The mean gestational age at delivery was 27.2±4.7 weeks and differed depending on the gestational age at diagnosis of brain death. Most deliveries (89%) were via cesarean delivery. There were 8 cases (23%) of intrauterine fetal demise in the second trimester of pregnancy (14-25 weeks), and 27 neonates (77%) were born alive. Of the 35 cases of brain in pregnancy, 8 neonates (23%) were described as "healthy" at birth, 15 neonates (43%) had normal longer-term follow-up (>1 month to 8 years; mean, 20.3 months), 2 neonates (6%) had neurologic sequelae (born at 23 and 24 weeks of gestation), and 2 neonates (6%) died (born at 25 and 27 weeks of gestation). Mean birth weight was 1,229 grams, and small for gestational age was present in 17% of neonates. The rate of live birth differed by gestational age at diagnosis of brain death: 50% at <14 weeks, 54.5% at 14 to 19 6/7 weeks, 91.7% at 20 to 23 6/7 weeks, 100% at 24 to 27 6/7 weeks, and 100% at 28 to 31 6/7 weeks.

CONCLUSION

In 35 cases of brain death in pregnancy at a mean gestation age of 20 weeks, maternal somatic support aimed at maximizing perinatal outcome lasted for about 7 weeks, with 77% of neonates being born alive and 85% of these infants having a normal outcome at 20 months of life. The data of this study will be helpful in counseling families and practitioners faced with such rare and complex cases.

Double Effect Donation

Double Effect Donation claims it is permissible for a person meeting brain death criteria to donate vital organs, even though such a person may be alive. The reason this act is permissible is that it does not aim at one's own death but rather at saving the lives of others and because saving the lives of others constitutes a proportionately serious reason for engaging in a behavior in which one foresees one's death as the outcome. Double Effect Donation, we argue, opens a novel position in debates surrounding brain death and organ donation and does so without compromising the sacredness and fundamental equality of human life.

SUMMARY

Recent cases and discussion have raised questions about whether brain death criteria successfully capture natural death. These questions are especially troubling since vital organs are often retrieved from individuals declared dead by brain death criteria. We therefore seem to be left with a choice: either salvage brain death criteria or else abandon current organ donation practices. In this article, we present a different way forward. In particular, we defend a view we call Double Effect Donation, according to which it is permissible for a person meeting brain death criteria to donate vital organs, even though such a person may be alive. Double Effect Donation, we argue, is not merely compatible with but grows out of a view that acknowledges the sacredness and fundamental equality of human life.

South African guidelines on the determination of death

Summary

Death is a medical occurrence that has social, legal, religious and cultural consequences requiring common clinical standards for its diagnosis and legal regulation. This document compiled by the Critical Care Society of Southern Africa outlines the core standards for determination of death in the hospital context. It aligns with the latest evidence-based research and international guidelines and is applicable to the South African context and legal system. The aim is to provide clear medical standards for healthcare providers to follow in the determination of death, thereby promoting safe practices and high-quality care through the use of uniform standards. Adherence to such guidelines will provide assurance to medical staff, patients, their families and the South African public that the determination of death is always undertaken with diligence, integrity, respect and compassion, and is in accordance with accepted medical standards and latest scientific evidence. The consensus guidelines were compiled using the AGREE II checklist with an 18-member expert panel participating in a three-round modified Delphi process. Checklists and advice sheets were created to assist with application of these guidelines in the clinical environment (https://criticalcare.org.za/resource/death-determination-checklists/).

Key points

Brain death and circulatory death are the accepted terms for defining death in the hospital context.

Death determination is a clinical diagnosis which can be made with complete certainty provided that all preconditions are met.

The determination of death in children is held to the same standard as in adults but cannot be diagnosed in children <36 weeks’ corrected gestation.

Brain-death testing while on extra-corporeal membrane oxygenation is outlined.

Recommendations are given on handling family requests for accommodation and on consideration of the potential for organ donation.

The use of a checklist combined with a rigorous testing process, comprehensive documentation and adequate counselling of the family are core tenets of death determination. This is a standard of practice to which all clinicians should adhere in end-of-life care.

Cancer During Pregnancy: How to Handle the Bioethical Dilemmas?-A Scoping Review With Paradigmatic Cases-Based Analysis

Ethical issues that arise during the care of a pregnant woman with cancer are challenging to physicians, policymakers, lawyers, and the bioethics community. The main purpose of this scoping review is to summarize existing literature regarding the bioethical dilemmas when a conflict arises in the maternal-fetus dyad, like the one related to cancer and pregnancy outcomes. Moreover, we illustrate the decision-making process of real-life case reports. Published data were searched through the PubMed and Google Scholar databases, as well as in grey literature, using appropriate controlled keywords in English and Portuguese. After identification, screening, eligibility and data extraction from the articles, a total of 50 was selected. There are several established ethical frameworks for conflict resolution and decision-making. Pragmatic theoretical approaches include case-based analysis, the ethics of care, feminist theory, and traditional ethical principlism that scrutinizes the framework of autonomy, justice, beneficence, and non-maleficence. In addition, society and practitioner values could mediate this complex ethical interplay. The physician must balance autonomy and beneficence-based obligations to the pregnant woman with cancer, along with beneficence-based obligations to the fetus. Ethical challenges have received less attention in the literature, particularly before the third trimester of pregnancy. Best, unbiased and balanced information must be granted both to the patient and to the family, regarding the benefits and harms for the woman herself as well as for the fetal outcome. Based on a previously validated method for analyzing and working up clinical ethical problems, we suggest an adaptation of an algorithm for biomedical decision-making in cancer during pregnancy, including recommendations that can facilitate counseling and help reduce the suffering of the patient and her family.

Assessment of Somatic Support Process for Pregnant Brain Death Patients Occurring in a Transition Country Between Asia and Europe from Medical, Ethical, Legal and Religious Aspects

In spite of the fact that brain death during pregnancy is not a common occurrence, it is an important ethical problem for all cultures and religions can have a significant influence on the donation decision after brain death. Therefore, this study aimed to present the case of a pregnant patient developing brain death which occurred in our intensive care unit and to compare the medical, ethical and legal problems relating to pregnant cases developing brain death with 24 cases in the literature. A 21-year-old 19-week pregnant case with gestational diabetes was monitored in the anesthesia intensive care unit and developed brain death due to intracranial mass and intraventricular hemorrhage. Though brain death is a situation well understood by organ transplant professionals, brain death developing in pregnant patients still involves many medical, ethical and legal problems.

Intracranial emergencies during pregnancy requiring urgent neurosurgical treatment

OBJECTIVE

Despite contemporary diagnostic and therapeutic techniques intracranial emergencies in the obstetric setting pose still a major challenge for the clinicians. There are limited guidelines and differing ethical views. Multidisciplinary teams are needed to support the pregnant woman in a way that she can deliver a viable and healthy child. The aim of the present study was to scrutinize the management of intracranial emergencies during pregnancy which needed urgent neurosurgical treatment.

PATIENTS AND METHODS

Data of all pregnant women who presented with newly diagnosed intracranial pathologies and neurological symptoms caused by these pathologies in an emergency setting were collected over a 10-year period (2008-2018). Patient characteristics including maternal age, gestational age, and preoperative work-up of both mother and fetus were recorded. Furthermore, the surgical treatment, mode of delivery, and neonatal and maternal outcomes were analysed.

RESULTS

The mean maternal age was 32.7 years and most patients were in their third trimester. There was one twin pregnancy (total of 12 fetuses). Five out of eleven pregnant women suffered from intracerebral haemorrhage (epidural haematoma (1), arteriovenous malformation (1), subarachnoid haemorrhage (2) and intracerebral haemorrhage (1)) and the other six patients had intracranial neoplasms (primary meningeal sarcoma (1), trigeminal schwannoma (1), anaplastic astrocytoma (2), glioblastoma (1) and sphenoid wing meningioma (1)).Neurosurgical procedures were performed via craniotomies in eight patients. A stereotactic biopsy via a frontal burr hole was achieved one patient. The two other patients with subarachnoid haemorrhage due to rupture of PICA aneurysms were treated with coil embolization. Depending on the gestational age and the clinical condition of the pregnant women it was decided to perform an emergency Caesarean section prior to further therapeutic measures in seven patients. Two out of 12 fetuses were unviable. Six women survived, while five women succumbed to the intracranial pathology.

CONCLUSION

The individualized treatment approach in this peculiar obstetric scenario needs to consider various issues such as the clinical condition of the pregnant woman, prognosis of the disease, gestational age and the status of the pregnancy. The primary concern in this context must be the mother`s health and safety. Caesarean section is the primary mode of delivery in most cases. While contemporary care can insure survival for the majority of infants, maternal mortality still poses an extraordinary challenge. Interdisciplinary consulting of the patient and/or her family is necessary to develop a treatment strategy for both the expectant woman and her offspring.

Controversies in Brain Death Declaration: Legal and Ethical Implications in the ICU

Purpose of review

This article provides a brief overview of the history and complexities of brain death determination. We examine a few legal cases that highlight some of the controversies surrounding the validity of brain death tests in light of varying state laws and institutional policy, the appropriateness of making religious accommodations, the dilemma of continuing organ-sustaining support in a pregnant brain-dead patient, and the issue of whether to obtain informed consent from surrogate decision makers before proceeding to testing.

Recent findings

In response to physician concerns about navigating these complex cases, especially with laws that vary from state to state, the American Academy of Neurology has published a position statement in January of 2019 endorsing brain death as the irreversible loss of all functions of the entire brain. It provides positions on the determination of brain death as well as guidance surrounding requests for accommodation.

Summary

Although death by neurologic criteria has been accepted as death medically for over 40 years, legal variance exists throughout the states, especially regarding religious accommodations and in pregnancy. Questions of whether to obtain informed consent from surrogate decision makers prior to brain death testing remain, and there is no guideline regarding obtaining ancillary testing. We expect to see continued cases that cause medical, legal, and ethical controversies in our ICUs. As such, uniform training in proper methodology in performing the brain death examination and appropriate use of ancillary testing is crucial, and there is a need for legal consistency in the acceptance of the medical standard.

The ethics of testing and research of manufactured organs on brain-dead/recently deceased subjects

Over 115 000 people are waiting for life-saving organ transplants, of whom a small fraction will receive transplants and many others will die while waiting. Existing efforts to expand the number of available organs, including increasing the number of registered donors and procuring organs in uncontrolled environments, are crucial but unlikely to address the shortage in the near future and will not improve donor/recipient compatibility or organ quality. If successful, organ bioengineering can solve the shortage and improve functional outcomes. Studying manufactured organs in animal models has produced valuable data, but is not sufficient to understand viability in humans. Before risking manufactured organ experimentation in living humans, study of bioengineered organs in recently deceased humans would facilitate evaluation of the function of engineered tissues and the complex interactions between the host and the transplanted tissue. Although such studies do not pose risk to human subjects, they pose unique ethical challenges concerning the previous wishes of the deceased, rights of surviving family members, effective operation and fair distribution of medical services, and public transparency. This article investigates the ethical, legal and social considerations in performing engineered organ research on the recently deceased.

Top Ten Tips Palliative Care Clinicians Should Know About Caring for Serious Illness in Pregnancy

Palliative care (PC) teams are increasingly being called upon to provide care earlier and more remote from end of life. Because much of the field has grown out of hospice and geriatric care, most teams have little to no experience caring for pregnant women or their fetuses when serious or life-threatening illness strikes. This article, written by a team of oncologists (gynecologic, medical, and radiation) and PC providers, seeks to demystify the care of seriously ill pregnant women and their fetuses by exploring the diagnostic, treatment, prognostication, symptom management, and communication needs of these patients. Truly comprehensive PC extends throughout the life span, from conception to death, regardless of age. Accordingly, increased knowledge of the unique needs of these vulnerable groups will enhance our ability to provide care across this continuum.

When Death Is Not the End: Continuing Somatic Care during Postmortem Pregnancy

Brain death during the second trimester of pregnancy creates a unique situation in which the mother is deceased, but life of the developing fetus still depends on somatic functions in the mother's body. In this article, I show that when a pregnant woman becomes brain dead during the second trimester, it is morally licit, though not morally obligatory, to continue somatic support while the fetus develops. The interventions on the mother's body are justified for the life of the fetus, especially in light of the unique mother-child dyad and the responsibilities the mother has for her child. However, this therapy is not frequently employed, and its success is unpredictable. In many cases, the expense and uncertain nature of the therapy may make it disproportionate. In such cases, somatic support of the mother's body may be discontinued.

SUMMARY

When brain death is diagnosed during pregnancy, it is a challenging decision whether to use artificial ventilation and other heroic measures to support the developing fetus. This paper demonstrates that while these interventions are acceptable, they are not obligatory.

Brain Death and the Formation of Moral Conscience

In this article, we provide an update to Catholic ethicists and clinicians about the current status of Catholic teaching and practice regarding brain death. We aim to challenge the notion that the question has been definitively settled, despite the widespread application of this concept in medical practice including at Catholic facilities. We first summarize some of the notable arguments for and against brain death in Catholic thought as well as the available magisterial teachings on this topic. Although Catholic bishops, theologians, and ethicists have generally signaled at least tentative approval of the neurological criteria for the determination of death, we contend that no definitive magisterial teaching on brain death currently exists; therefore, Catholics are not currently bound to uphold any position on these criteria. In the second part of the article, we describe how Catholics, particularly Catholic medical practitioners, must presently inform their consciences on this issue while awaiting a more definitive magisterial resolution.

SUMMARY

Some prominent Catholic theologians and physicians have argued against the validity of brain death; however, most Catholic ethicists and physicians accept the validity of brain death as true human death. In this paper, we argue that there is no definitive magisterial teaching on brain death, meaning that Catholics are not bound to uphold any position on brain death. Catholics in general, but especially Catholic medical practitioners, should inform their consciences on this intra-Catholic debate on brain death while awaiting more definitive magisterial teaching.

Organ Donation and Declaration of Death: Combined Neurologic and Cardiopulmonary Standards

Prolonged survival after the declaration of death by neurologic criteria creates ambiguity regarding the validity of this methodology. This ambiguity has perpetuated the debate among secular and nondissenting Catholic authors who question whether the neurologic standards are sufficient for the declaration of death of organ donors. Cardiopulmonary criteria are being increasingly used for organ donors who do not meet brain death standards. However, cardiopulmonary criteria are plagued by conflict of interest issues, arbitrary standards for candidacy, and the lack of standardized protocols for organ procurement. Combining the neurological and cardiopulmonary standards into a single protocol would mitigate the weaknesses of both and provide greater biologic and moral certainty that a donor of unpaired vital organs is indeed dead.

SUMMARY

Before a person's organs can be used for transplantation, he or she must be declared "brain-dead." However, sometimes when someone is declared brain-dead, that person can be maintained on life-support for days or even weeks. This creates some confusion about whether the person has truly died. For patients who have a severe neurologic injury but are not brain-dead, organ donation can also occur after his or her heart stops beating. However, this protocol is more ambiguous and lacks standardized protocols. We propose that before a person can donate organs, he or she must first be declared brain-dead, and then his or her heart must irreversibly stop beating before organs are taken.

Vaginal delivery in the 30+4 weeks of pregnancy and organ donation after brain death in early pregnancy

A 28-year-old woman suffered a traffic accident resulting in severe head injuries with deleterious prognosis. Diagnostics further revealed a hitherto unknown pregnancy, at suspected week 9. Based on the patient's wish to donate organs, brain death protocol confirmed irreversible loss of brain function. Yet, vital pregnancy rendered organ transplantation impossible. Multiple ethical and legal issues arose, from invalidation of established legal care after brain death to the delivery of a healthy child after trauma and long-term critical care. After medicolegal and ethical counselling, pregnancy was sustained, and the goal of organ donation postponed. Critical care focused on foetal homeostasis. At 30+4 weeks, a viable girl was born via assisted vaginal delivery. Postpartal organ donation resulted in heart, kidney and pancreas transplantation. The case emphasises the medical, legal and ethical challenges to combine two apparently diametrical goals: the successful full-term pregnancy and the fulfilment of a patient's wish to donate organs.

The Management of a Thirteen Weeks Pregnant Woman Rendered Brain-Dead Following a Ruptured Aneurysm

Introduction

The current lack of clear guidelines on how to manage cases of brain-dead pregnant patients makes this topic controversial and extremely difficult to deal with for both medical and ethical reasons. This report deals with such a situation.

Case presentation

A twenty-seven years old woman, thirteen weeks pregnant, with a ruptured brain aneurysm was admitted to an Intensive Care Unit. She presented with loss of all brain functions, but somatic support was sustained to enable the delivery of her baby.

Conclusion

The case report gives a detailed account of the management of the mother before the successful delivery of her baby. It indicates the need for ongoing contributions to the debate on this delicate subject area to establish guidelines on how to manage brain-dead pregnant patients.

Experimental Rat Model for Brain Death Induction and Kidney Transplantation

Background: Experimental animal research has been pivotal in developing clinical kidney transplantation (KTx). One donor-associated risk factor with negative affect of transplantation outcome is brain death (BD). Many rat models for BD and KTx have been developed in the last decade, but no surgical guidelines have been developed for these models. Here, we describe a surgical technique for BD induction and the cuff technique for experimental KTx in rats.Methods: After intubation and mechanically ventilation of sixteen healthy adult male Sprague-Dawley rats were induction of BD performed. Animals were kept hemodynamically stable for eight hours. Then, the kidney was prepared and perfused with standard histidine-tryptophan-ketoglutarate solution. After explantation, grafts were immediately implanted in recipients using the cuff technique and reperfused. After 2 h of observation, animals were sacrificed by intravenous administration of potassium chloride.Results: In the early phase of BD, heart rate increased and mean arterial pressure decreased. Partial variations were observed in O₂ partial pressure, O₂ saturation, and HCO₃. During the 2-h observation phase, all transplanted kidneys were sufficiently perfused macroscopically. There was no hyperacute rejection.Conclusions: It is feasible to observe BD for 8 h with maintained circulation in small experimental settings. The cuff technique for KTx is simple, the complication rate is low, and the warm ischemia time is short, therefore, this could be a suitable technique for KTx in the rat model.

Frequency of use of the religious exemption in New Jersey cases of determination of brain death

BACKGROUND

The 1981 Uniform Determination of Death Act (UDDA) established the validity of both cardio-respiratory and neurological criteria of death. However, many religious traditions including most forms of Haredi Judaism (ultra-orthodox) and many varieties of Buddhism strongly disagree with death by neurological criteria (DNC). Only one state in the U.S., New Jersey, allows for both religious exemptions to DNC and provides continuation of health insurance coverage when an exception is invoked in its 1991 Declaration of Death Act (NJDDA). There is yet no quantitative or qualitative data on the frequencies of religious exemptions in New Jersey. This study gathered information about the frequency of religious exemptions and policy in New Jersey that was created out of respect for religious beliefs.

METHODS

Literature and internet searches on topics related to religious objections to DNC were conducted. Fifty-three chaplains and heads of bioethics committees in New Jersey hospitals were contacted by phone or email requesting a research interview. Respondents answered a set of questions about religious exemptions to DNC at the hospital where they worked that explored the frequency of such religious exemptions in the past five years, the religious tradition indicated, and whether any request for a religious exemption had been denied. This study was approved by the Northeastern University Institutional Review Board (IRB #: 16-03-15).

RESULTS

Eighteen chaplains and bioethics committee members participated in a full research interview. Of these, five reported instances of religious exemptions to DNC occurring at the hospital at which they worked for a total of approximately 30-36 known exemptions in the past five years. Families sought religious exemptions because of faith in an Orthodox Judaism tradition and nonreligious reasons. No failed attempts to obtain an exemption were reported.

CONCLUSIONS

Religious exemptions to DNC in New Jersey do occur, although very infrequently. Prior to this study, there was no information on their frequency. Considering religious exemptions do occur, there is a need for national or state policies that addresses both religious objections to DNC and hospital resources. More information is needed to better understand the impact of granting religious exemptions before new policy can be established.

Critical care in obstetrics

Pregnancy is a normal physiologic process with the potential for pathologic states. Pregnancy has several unique characteristics including an utero-placental interface, a physiologic stress that can cause pathologic states to develop, and a maternal–foetal interface that can affect two lives simultaneously or in isolation. Critical illness in pregnant women may result from deteriorating preexisting conditions, diseases that are co-incidental to pregnancy, or pregnancy-specific conditions. Successful maternal and neonatal outcomes for parturients admitted to a maternal critical care facility are largely dependent on a multidisciplinary input to medical or surgical condition from critical care physicians, obstetric anaesthesiologists, obstetricians, obstetric physicians, foetal medicine specialists, neonatologists, and concerned specialists. Pregnant women requiring maternal critical care unit admission are relatively low in developed nations and range from 0.9% to 1%; but in our country, the admission rates of critically ill parturients range from 3% to 8%. Two-thirds of pregnant women requiring critical care are often unanticipated at the time of conception. In this review, we will look at critical illnesses in pregnant women with a specific focus on pregnancy-induced illnesses.

A Standardized Approach to Electronic Fetal Monitoring in Critical Care Obstetrics

From the periphery, pregnancy is a common event in women of childbearing age. Normal anatomic and physiologic adaptations occur and, in most cases, will result in ideal maternal-fetal outcomes. Yet, every day, obstetric clinicians are facing complex pregnancies with complicated life-threatening conditions or coexisting medical and surgical problems that not only alter maternal physiology but also impact fetal survival. A challenge in this population is individualizing maternal-fetal care in critical care women while integrating medical-surgical specialties in creating an interdisciplinary team with similar management goals. Questions frequently arise concerning admission criteria, location of care, as well as type and mix of personnel. Furthermore, how to simultaneously manage a critically ill parturient while monitoring a viable fetus is often obscured. This article focuses on crucial fetal monitoring concepts using a standardized approach to interpretation and management in pregnancies managed in an intensive care environment. Application of fetal monitoring during surgical procedures, during perimortem cesarean birth, and in women who have irreversible loss of brain function is included.

Brain Death

Death determined by neurologic criteria, commonly referred to as "brain death," occurs when function of the entire brain ceases, including the brain stem. Diagnostic criteria for brain death are explicit but controversy exists regarding nuances of the evaluation and potential confounders of the examination. Hospitals and ICU teams should carefully consider which clinicians will perform brain death testing and should use standard processes, including checklists to prevent diagnostic errors. Proper diagnosis is essential because misdiagnosis can be catastrophic. Timely, accurate brain death determination and aggressive physiologic support are cornerstones of both good end-of-life care and successful organ donation.

Do the 'brain dead' merely appear to be alive?

The established view regarding 'brain death' in medicine and medical ethics is that patients determined to be dead by neurological criteria are dead in terms of a biological conception of death, not a philosophical conception of personhood, a social construction or a legal fiction. Although such individuals show apparent signs of being alive, in reality they are (biologically) dead, though this reality is masked by the intervention of medical technology. In this article, we argue that an appeal to the distinction between appearance and reality fails in defending the view that the 'brain dead' are dead. Specifically, this view relies on an inaccurate and overly simplistic account of the role of medical technology in the physiology of a 'brain dead' patient. We conclude by offering an explanation of why the conventional view on 'brain death', though mistaken, continues to be endorsed in light of its connection to organ transplantation and the dead donor rule.

Brain death during pregnancy and prolonged corporeal support of the body: A critical discussion

AIM

To discuss corporeal support of the brain-dead pregnant woman and to critically examine important aspects of this complex situation that remain as yet unexplored.

BACKGROUND

When brain death of the woman occurs during pregnancy, the fetus may be kept inside the corporeally supported body for prolonged periods to enable continued fetal growth and development. This has been increasingly reported in medical literature since 1982 and has received considerable media attention in the past few years.

IMPLICATIONS FOR MIDWIVES AND NURSES

Sophisticated advances in medical technologies have altered the boundaries of conception and birth, life and death, Western biomedical and cultural conceptions of women and their bodies, fetal personhood, fetal rights and fetal patienthood, profoundly influencing maternal behaviors, medical decisions and the treatment of pregnant women. This is especially so in the rare, but fraught instance of brain death of the pregnant woman, where nurses and midwives working in High Dependency Care units undertake the daily care of the corporeally supported body that holds a living fetus within it. This discussion enables critical and ethical conversation around the complexities of developing appropriate discourse concerning the woman who suffers brain death during pregnancy and considers the complexities for nurses and midwives caring for the Woman/body/fetus in this context. The potential impact on the fetus of growing and developing inside a 'dead' body is examined, and the absence in the literature of long-term follow up of infants gestated thus is questioned.

The effect of brain death protocol duration on potential donor losses due to cardiac arrest

BACKGROUND

The severe inflammatory reaction that occurs after brain death (BD) tends to amplify over time, contributing to cardiovascular deterioration and occurrence of cardiac arrest (CA). Our purpose is to evaluate the effect of BD protocol duration (BDPD) on potential donor losses due to CA.

METHODS

This retrospective analysis included potential donors reported during the period from May 2012 to April 2014. The risk of losses due to CA was analyzed to identify the chronological threshold at which the probability of loss due to CA increases.

RESULTS

Three hundred and eighty-four potential donors were analyzed. There was a greater chance of CA after a 30-hour threshold (OR 1.67, 95% CI: 1.38-1.83), and the lowest risk of was identified for the range from 12 to 30 hours (OR 0.32, 95% CI: 0.19-0.52). Multivariate analysis identified the following variables as being associated with lower occurrence of CA: BDPD between 12 and 30 hours, management of a potential donor inside the intensive care unit, and the adherence to a goal-directed protocol.

CONCLUSION

A long duration between the first clinical test for BD diagnosis and the procurement of organs may be an important risk factor for the occurrence of cardiac arrest in deceased potential donors.

Brain death and care of the organ donor

Brain death has specific implications for organ donation with the potential for saving several lives. Awareness on maintenance of the brain dead has increased over the last decade with the progress in the field of transplant. The diagnosis of brain death is clinical and can be confirmed by apnea testing. Ancillary tests can be considered when the apnea test cannot be completed or is inconclusive. Reflexes of spinal origin may be present and should not be confused against the diagnosis of brain death. Adequate care for the donor targeting hemodynamic indices and lung protective ventilator strategies can improve graft quality for donation. Hormone supplementation using thyroxine, antidiuretic hormone, corticosteroid and insulin has shown to improve outcomes following transplant. India still ranks low compared to the rest of the world in deceased donation. The formation of organ sharing networks supported by state governments has shown a substantial increase in the numbers of deceased donors primarily by creating awareness and ensuring protocols in caring for the donor. This review describes the steps in the establishment of brain death and the management of the organ donor. Material for the review was collected through a Medline search, and the search terms included were brain death and organ donation.

A philosophical assessment of TK's autopsy report: Implications for the debate over the brain death criteria

In recent years, there has been increasing evidence that the totally brain-dead patient is able to continue to live and to maintain some integrated functions, albeit with the necessary assistance of mechanical ventilation. Several years ago, the autopsy report of a totally brain-dead patient named TK who was kept on life support for nearly twenty years was published in the Journal of Child Neurology. He remains the individual kept on life support the longest after suffering total brain failure. In this essay, I argue that the clinical data described in the autopsy report demonstrate that TK's long-term survival after total brain failure supports the claim acknowledged by the President's Council on Bioethics that the brain-dead patient retains his bodily integrity. As such, he is not dead. He is still a living, though severely disabled, human organism, a human person made in the image and likeness of God.

LAY SUMMARY

Traditionally, the presence or absence of bodily integration has been used to definitively discern the presence or absence of life in the human being where decomposition of the body is the surest sign of death. The autopsy report of a patient named TK who was brain-dead for nearly twenty years demonstrates that brain-dead patients retain their bodily integrity. As such, TK and other brain-dead patients are not dead. They are living, though severely disabled, human organisms, who are human persons made in the image and likeness of God.

Acute respiratory failure and mechanical ventilation in pregnant patient: A narrative review of literature

Physiological changes of pregnancy imposes higher risk of acute respiratory failure (ARF) with even a slight insult and remains an important cause of maternal and fetal morbidity and mortality. Although pregnant women have different respiratory physiology and different causes of ARF, guidelines specific to ventilatory settings, goals of oxygenation and weaning process could not be framed due to lack of large-scale randomized controlled trials. During the 2009 H1N1 pandemic, pregnant women had higher morbidity and mortality compared to nonpregnant women. During this period, alternative strategies of ventilation such as high-frequency oscillatory ventilation, inhalational of nitric oxide, prone positioning, and extra corporeal membrane oxygenation were increasingly used as a desperate measure to rescue pregnant patients with severe hypoxemia who were not improving with conventional mechanical ventilation. This article highlights the causes of ARF and recent advances in invasive, noninvasive and alternative strategies of ventilation used during pregnancy.