As the world confronts coronavirus disease 2019 (COVID-19), optimizing patient care while reducing the risk of exposure and infection to patients and healthcare workers have led to the felt need for implementation of new technologies to tackle mounting pressures on the already stressed and crumbling healthcare system.12 The fast-paced creation of new protocols for healthcare delivery has led to different logistics and ethical issues to arise.34 In this article, the authors examine the positive and negative aspects of recent changes in the process of obtaining informed consent during the pandemic and further make recommendations based on the outcome of these suggested adjustments described in the literature, as well as propose ethical-based interventions for the future, with the ultimate goal of assuring optimal care of patients under appropriate moral standards.

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Historic events in which the informed consent was not included as a key component of ethical medical practice lead to drastic consequences, such as the “Tuskegee Syphilis Study,” one that took place in Alabama in 1932 and was initially designed to last 6–8 months but lasted for 40 years. Approximately 600 African American men (400 men with early or late-stage syphilis and 200 men without the disease) volunteered to participate in such study after being told that they would receive the proper treatment. This never happened, and there was not an informed consent signed either. The experiment's hypothesis consisted on studying the course of syphilis in a particular community (poor rural African Americans with no access to health service) until death and observe whether the disease presents a different approach depending on the race.14 The global urgency to churn out a vaccine for COVID-19 puts the world at risks of repeating such mistakes once again. Developing a vaccine can be challenging, with its immunogenicity being fraught with dangers of autoimmune phenomena including demyelination and antibody-dependent enhancement as seen in dengue fever.15

Interestingly, there are always exceptions to the rule. In this case, certain scenarios in which informed consent waiver is allowed include; when the patient is incapacitated, in life-threatening emergencies with limited time to obtain informed consent and voluntary waiver consent. Besides, waiver of informed consent is permitted when research is directed towards the efficacy and safety of treatment of a particular disease in unusual conditions, such as the current pandemic. Recent publications address that due to the lack of knowledge regarding the pathophysiology of COVID-19 as well as it's histologic findings postmortem, the current pandemic should serve as a reason to waive the informed consent following deferred proxy approval in order to investigate and provide the health community with clear information.16

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The informed consent and research itself have suffered changes during the pandemic; some of them impacting in the health system in a positive matter while others, not so much (Fig. 1).17 From a research point of view, the biggest impact is related to the shift of resource distribution towards clinical research, primarily focused on disease treatment, with intentions to bring relief to the pandemic.1819 Another important aspect to consider is the shortage of researchers and physicians, mainly due to the dual responsibility of providing treatment and care to patients while investigating.17 As far as the informed consent, changes in protocols and recommendations to decrease disease transmission generated tension between society and healthcare institutions. For instance, in clinical practice, patients and families might not understand or agree with decisions regarding triage; lack of cardiopulmonary resuscitation for all patients, if futile; postponed treatment of patients with disorders other than COVID-19. Treatment of COVID-19 often requires decisions to be made quickly, and some settings have been overwhelmed with patients needing urgent care, so there is less time for communication of information than usual.11 Another downside is that patients won't be able to take documents home to discuss with family members; patients who lack the capacity to consent for themselves face particular challenges.13

The process of obtaining informed consent can be, in certain circumstances, accompanied by a professional interest by a researcher/physician, leading towards an ethical misconduct in a medical practice setting due to a potential deviation of the principal purpose, which is to provide care and treatment to the patient. On the other side, the barriers imposed by the pandemic, such as the decrease in available hospital beds for non COVID-19 patients, as well as the potential issues derived from teleconsultations, like the lack of person-person communication and inability to correctly evaluate full understanding of the information provided by the physician, led to a direct relation between the arising of ethical issues and the process of consenting. Another key point is the challenge brought with the ethical responsibility from healthcare providers of maintaining patient's confidentiality; while remarking the importance of communication in order to protect other members of the society.20

Therefore, a careful evaluation of prevailing ethical standards and their addressal would be useful in the endeavors to devise new guidelines for secure and correct medical practice.21 In order to prevent such medical errors, these should focus mainly on key points such as: 1) Integrity: Evaluate what is known and what is not about the impact of COVID-19 on mental health to assure complete understanding of the information and avoid professional research benefit only. 2) Justice and equity: Resource and attention distribution emphasized towards those in disadvantage or need assuring well-being to the community as a whole. 3) Preservation of patient's privacy: Respect the patient's dignity and role in their community, by securing their privacy.

Isolation from the family while admitted with COVID-19 can have an adverse impact on the mental health of patients, which may reflect in reluctance to participate and consent to research. Not less important is the fact that there is a variable risk of infection transmission from the unsuspected infected members of the surgical team as well as administrative staff to the patient during surgical or invasive procedures as well as direct contact. The level and frequency of exposure that should be allowed is another glaring question that faces administration all over the world. At the same time, healthcare institutions struggle to keep up with the surge in cases amid a shortage of healthcare workers. Also, little is known about the association and interaction of this novel disease with other comorbidities, drug treatments, as well as the potential outcomes, a situation with a reasonable risk of fallacious advice due to natural urge of a physician to engage in the act of commissions rather than omission under dire and pressing circumstances.

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On the positive side, it is important to acknowledge that the high infectivity of COVID-19 has forced the health community to adapt to new ways of interaction quickly.22 The use of existing technologies has led to a decrease in the number of patients attending hospital facilities, where they could easily be exposed. Teleconsultations are being used for delivering healthcare. However, the length of time for which routine healthcare and a formal physical examination can be ethically deferred remains to be established. While COVID-19 and acute care take precedence, with the long projected pandemic duration, it is vital to determine ways and means to deliver routine care, including ancillary services which are an essential component of wholesome medical care.

Access to teleconsultations has been eased by widespread access to the Internet and newer apps, which has made certain procedures cheaper.23 Electronic informed consent (EIC) has been tested as a possible method to consent while preserving the patient's integrity. Hussein et al., 2017 concluded that the use of smartphones enhanced enrollment of patients in time-sensitive clinical research such as DAWN (Acute Stroke Trial) as well as other interventions. The methodology primarily consisted of a constant interaction between health care providers and legally authorized representatives, in which, via text message, the appropriate link was provided to be filled alongside a freehand electronic signature.24 One of the newest proposed and used way of obtaining informed consent is through audio-visual devices. With it, comes a world of uncertainty and doubt. Different perspectives need to be discussed. Recently, the Food and Drug Administration of the United States has laid out 13 ground rules for an electronic signature to be valid.25 Primary data checks by institutional review boards may be useful to ensure compliance with prevailing standards when resorting to EIC procedures.26

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From an ethical aspect, transparency is an important factor for the patient's well-being. In this case, the benefit is related to the fact that every part of the process is being recorded which would indeed increase society's confidence in the health system and clinical trials. Physician-patient interaction will not be compromised if ethical standards are being met; the use of personalized questionnaires could then evaluate the complete understanding of the intervention once the interview concludes to assure the unconditional approval by the patient. Novel evidence demonstrates that there is no significant difference in patient comprehension via EIC in contrast to conventional informed consent in clinical trials.27 These adjustments could potentially change the way we conduct research studies or provide treatment because of a possible shift from heavy documentation with protocols that patients may not comprehend to focusing on true understanding and voluntary involvement.

A few potential issues should be mentioned, as well. We could title them as operational challenges that attempt against ethics; for example, infrastructure, language barrier and poor image/audio quality, to name a few. Two important conditions should be highlighted; first, the storage and archival of the documents.

Everybody who participates in obtaining consent should be correctly prepared and be aware of the location of the files. Investigators/physicians should avoid misuse or theft, and with it, patient's confidentiality. The second point includes the preservation of patient identity being compromised. The widespread use of teleconsultations has led to a visible shift to smartphone app-based research, brining specific aspects under consideration.28 Recently, the “Aarogya Setu” from India was launched to assist self-assessment, contact tracing and health messages by the Indian government. In this specific case, over 50 million people who downloaded the app as part of a government mandate were informed that data was only shared with the government, but without mentioning a specific department. The public mandate to download the app as well as it's requirements such as continuous turned-on Bluetooth and location tracking has raised concerns in the Indian population.29 Under the Disaster Management Act, which enables Indian states to act “as necessary,” concerns were raised on the disruption of privacy obligations, leading to stigmatization from neighbours and employers, without any solution to these patients. On the other side, there is no specific time limit for personal information being exposed while using social media. As a consequence, the Indian government has been challenged in court because of these infractions. Fortunately, actions have taken place, and few states acted on the Indian Council of Medical Research and claimed to support patient's rights, and those who attempt against it will face legal consequences.30

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To conclude, a lot needs to be further investigated to manage the ongoing pandemic better. The short time for communication during patient evaluation and the lack of evidence regarding disease course and treatment created tension between patients and physicians. The limited evidence available might not be sufficient to make an informed decision. The creation of protocols, designed to prevent the dissemination of the infection, particularly impacted certain groups in a negative way. For instance, a large amount of hospitals have seriously restricted visitation to facilities; efforts should be directed towards continuing to support pediatrics, elders and patients with intellectual and developmental disabilities, due to the inability to consent and express their needs.

On the other side, the use of virtual methods to consent and provide optimal coverage to patients has lowered the exposure and interaction between the healthcare system and the general population, decreasing the risk of viral transmission by preventing any sort of physical contact, while providing care to the community. In the modern era, where the majority of the society has access to Internet, telecommunication has helped to overcome the barriers caused by isolation; patients with non-critical diseases can have access to therapies, without the need to attend a medical facility. For example, those in need of psychological or psychiatric attention.31

Despite benefits outweighing risks, human rights should be respected at all times. An expanded armamentarium of digital tools to support informed consent paves the way for better communication between health care professionals and patients. Hopefully these will herald the onset of a new era of digitalized ethical consent-driven evidence-based medicine. In order to do so, we recommend institutions to create questionnaires to evaluate full understanding after receiving pertinent information; to individualize the process of consenting, considering patient's age, level of education, mental health status, etc.), to implement audio, visual and EIC after educating health-care providers about ethical issues, how should they be prevented and managed. Journal editors may play a larger role by conducting active checks to add ethics statements in published articles. While current regulations allow waivers of consent in certain emergencies, greater elaboration of the gray areas may define a better future for ethical research.

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