Introduction

There is growing evidence for the effectiveness of e-mental health interventions [1,2,3,4]. In this study, we use the terms e-mental health and online therapy to refer to all digitally delivered psychotherapeutic interventions, including apps and programmes for use on a computer, tablet, or smartphone. We do not use these terms to refer to standard face-to-face psychotherapy that takes place via video conferencing tools. e-mental health interventions can be delivered with various degrees of professional support, i.e. unguided/self-guided and guided [2]. Guidance is beneficial for the outcome of internet-delivered interventions [3] because guided treatment provides better outcomes than unguided treatment [2,3,4]

Blended treatment integrates face-to-face sessions and online therapy into one treatment protocol. Compared with stand-alone face-to-face psychotherapy, blended treatment can have several advantages. For example, adding online modules may enhance patient self-management. Additionally, the therapy structure may become more transparent and face-to-face sessions may be optimally used because they are prepared in the online environment [5]. Thus, blended treatment may save clinicians time. There is also evidence that blended treatment may lead to lower dropout rates and greater abstinence rates in patients with substance use or may help maintain in the long run any changes that were initially achieved during psychotherapy [6]. Psychotherapy in inpatient care was found to be more efficient after adding an online self-help programme to the treatment protocol [7]. Conceivably, blended treatment could be facilitated during inpatient care and may lead to the listed benefits. However, to date most studies investigating blended treatment protocols have focussed on outpatient care only [8, 9].

Professionals’ attitudes towards e-mental health

Health care providers, such as doctors, psychologists and nursing staff, are the gatekeepers of health care delivery and the integration of digital health technologies into routine clinical practice [10]. In addition to legal and technical preconditions, acceptance of e-mental health by key stakeholders is relevant for the uptake of e-mental health into routine care [11].

The acceptance of e-mental health depends on certain predictors. Venkatesh et al. [12] formulated the Unified Theory of Acceptance and Use of Technology (UTAUT), which proposes four direct determinants of user acceptance and behaviour, i.e. performance expectancy, effort expectancy, social influence and facilitating conditions. The first three are strong indicators of the intention to use; whereas the fourth, together with intention to use, predicts usage behaviour directly.

European mental health care professionals appear to be rather open towards therapeutic app use, with or without the support of a health care professional [13]. However, in many European countries, the acceptability of blended treatment is higher than that of unguided stand-alone internet treatments [14].

In contrast to the amount of research in the outpatient sector [15], little research has been performed on professionals’ acceptance of e-mental health in German inpatient care. Hennemann et al. [16] surveyed 152 participants from four German rehabilitation hospitals with different diagnostic specialisations. In this multi-professional sample, doctors’, psychologists’, physical therapists’, nurses’, nutritionists’ and others’ intention to use e-health interventions during inpatient rehabilitation was rather low (5-point Likert scale: M = 2.47, SD = 0.9); whereas, their acceptance of online aftercare was moderate [M = 3.08, SD = 0.96, t(127) = 8.22, p < 0.001]. However, this study did not specifically examine the attitude towards e-mental health within psychiatric inpatient care. A first insight into stakeholders’ attitude towards e-mental health in a German inpatient psychiatric hospital was given by Dorow et al. [17]. The group asked patients (n = 181) and mental health professionals (n = 31, primarily psychologists and nurses) what they thought about implementing an internet-based self-management tool for treating depression in inpatient care. Most of the health care professionals stated that the presented self-management tool could be easily integrated into the hospital workflow as an additional therapy option and that they would recommend it, and patients also reported moderate to high user acceptance. Thus, the professionals tended to have a rather positive attitude. However, the sample was comparatively small [17]. Therefore, the question of how professionals think about e-mental health in psychiatric inpatient care remains open.

Benefits of e-mental health

The primary incentives to implement e-mental health into health care services, perceived by different organisations throughout Europe, are expected cost-effectiveness and increased access [14]. A recent systematic review revealed flexibility with timing and location as the main benefits of implementing e-mental health [18]. However, reaching patients that you might not reach otherwise cannot be seen as a benefit of e-mental health in inpatient treatment settings, where patients are already receiving care. Thus, the question remains whether e-mental health has additional advantages in inpatient care.

One of the main expected advantages of blended treatment is that clinicians can concentrate on process-related treatment components and use internet-delivered modules to deliver practical therapy components, such as assignments, diaries and psychoeducation [5]. Thus, compared with stand-alone face-to-face therapy, blended treatment may save clinicians time [6], although there is also evidence to the contrary [19]. Blended treatment may improve therapy quality and outcome: Dutch therapists working with blended cognitive behaviour therapy reported that the pre-set structure made them and their patients more adherent to the treatment protocol [19]. As mentioned above, blended treatment may also help to reduce dropout rates and to maintain changes achieved during psychotherapy [6].

To date, no studies have investigated the specific benefits of internet-delivered interventions in psychiatric inpatient care from the perspective of mental health care professionals.

Barriers to the integration of e-mental health

Several barriers may explain the rather low degree of implementation of e-mental health in routine health care. In 2014, different European stakeholders considered the low feasibility of delivery within existing health care systems to be a primary barrier for integrating internet-delivered psychotherapy [14]. Other barriers include the potential clinical inferiority of e-mental health compared with treatment as usual, limited internet literacy and access and suspected reluctance of mental health professionals and patients [14, 20], as well as the confidentiality and security of patient data [18].

In Germany, the main barriers perceived by professionals are data safety issues, technical problems, a severe course of disease [17] and insufficient e-mental health education and infrastructure [16]. Five German psychotherapists who implemented e-mental health into their outpatient therapy routine reported ‘limited customizability and autonomy of decisions concerning blending the therapy’, ‘disease-related contraindications’, ‘negative affect caused by burden through technical problems’ and ‘hampered establishment of therapeutic alliance by technical issues’ to be the main barriers [11]. There is also evidence that blended treatment is not time efficient [19] or cost effective from a societal perspective [9] compared with stand-alone face-to-face therapy. Further barriers may exist that are specific for psychiatric inpatient care and have not yet been investigated.

Facilitators for the integration of e-mental health

Titov et al. [21] searched for common features of hospitals that have implemented internet-delivered cognitive behaviour therapy (ICBT) successfully into routine care. They compared five hospitals in Sweden, Denmark, Norway, Canada and Australia. Thus, all five hospitals were in high-income countries with publicly funded health care and high internet use, all of which are obvious facilitators for e-mental health. The authors summarized eight key success factors, including ‘strong clinical, Information Technology (IT) and organisational governance’, ‘use of well-developed and validated ICBT programmes’, ‘safe and effective provision of online therapy programmes’ and ‘well trained and supported therapists’. Recent systematic literature reviews revealed the acceptance of patients and professionals and the appropriateness of e-mental health in addressing patients’ mental health disorders as facilitators [18, 22]. Davies et al. [18] found that health professionals supported online therapies only for patients with relatively straightforward, low-risk diagnoses, strong motivation and engagement, high computer literacy and access and low need for tailored content. The availability and reliability of the technology required for e-mental health applications and the interoperability of these applications with other existing technologies are further facilitators [22]. Additionally, researchers have emphasised the need for targeted training of professionals and organisational support to manage changed workflows [18]. Therapists who gained first experience with blended treatment reported that having sufficient training on how to work in a blended way and how to communicate online are key components for enabling online therapies [19]. However, research to date has not yet explicitly determined facilitators for e-mental health in inpatient psychiatric care in Germany from the professionals’ point of view.

The current study

This study was part of the European project eMEN, which aims to increase knowledge on e-mental health implementation and was funded by the European Commission (Interreg North-West Europe Programme) [23, 24]. The study had two objectives. First, it aimed to assess the attitude of mental health care professionals working in inpatient care settings towards online therapy, regardless of the level of guidance. Second, it aimed to identify potential barriers, facilitators and benefits of the implementation of e-mental health in German psychiatric inpatient care from the professionals’ perspective. We chose a mixed-methods approach to answer these research questions [25].

Methods

Participants and procedure

To ensure that not only those professionals with an affinity for the topic participated in our survey on e-mental health, rather than conducting an online survey, we engaged with professionals by holding workshops directly on site. We held the workshops (duration: 90 min) at ten different psychiatric hospitals throughout Germany that were located in both urban and rural areas in the states of Schleswig–Holstein, Berlin, Brandenburg, North Rhine-Westphalia and Bavaria. The hospitals varied in size and in their approach to care, i.e. they consisted of both university and specialist hospitals, so that the study covered a wide range of settings. Existing weekly dates for internal training that are part of the hospital routine were used for the workshops. Thus, all health care professionals who treat patients with mental disorders were welcome to attend.

Two weeks in advance of the workshops, participants were provided with free access to the online therapy platform moodbuster (https://www.moodbuster.science/), which was developed by Vrije Universiteit Amsterdam, and asked to explore the online therapy modules on their own. We used moodbuster as an example to ensure that every participant had experienced an internet-delivered intervention before participating in the workshop. At the time of the workshops, moodbuster consisted of a cognitive behavioural therapy approach for depression. It offered six online modules that included psychoeducation, cognitive restructuring and behavioural activation. In moodbuster, texts and videos guide the user through the modules, which also use exercises and homework assignments. The moodbuster platform consists of a web portal for patients and practitioners and a mobile application with which many variables, such as mood and daily activities, can be monitored (also called ecological momentary assessment) [26].

In case any participants did not have the time or opportunity to learn about moodbuster or any other internet-delivered intervention in advance of the workshop, an expert of the moodbuster platform development team presented the programme at each on-site workshop (20-min presentation). After the presentation, participants answered a paper-and-pencil survey consisting of closed questions on their attitudes towards internet-delivered interventions and open-response questions on perceived barriers, anticipated benefits and facilitators of internet-delivered intervention in inpatient mental health routine care (see measures section below for details). To further develop the moodbuster platform and to adapt it to inpatient care needs, participants were asked to fill in a usability questionnaire on moodbuster. The results of this questionnaire are not reported here, but please see the questionnaire in Supplementary Appendix A for details on usability items. After data collection, there was some time for discussion within the groups. However, that content was not coded and, thus, not analyzed and is not reported here.

Measures

This study took a mixed-methods approach [25]. Attitude towards e-mental health was assessed by items on an ordinal scale and scores were quantitatively analyzed. In contrast, the potential benefits, barriers and facilitators of implementing online therapy in inpatient routine care were assessed by open-response questions and answers were qualitatively analyzed with the inductive approach. Both methods and the data analyses are described in more detail below.

Sociodemographic characteristics

The survey consisted of items on age, sex, occupation, years of professional experience and time spent with moodbuster in preparation for the workshop. To maintain participants’ anonymity, we did not record the psychiatric unit or the participants’ exact workplace.

Attitudes towards online therapy

First, we evaluated the attitudes of mental health professionals towards e-mental health by the 8-item ATiPP questionnaire [27]. A 5-point Likert scale was used with anchors ranging from (1) ‘I strongly disagree’ to (5) ‘I strongly agree’. For every participant, we calculated an ATiPP score by summing the item values and dividing this sum by the number of items answered. Thus, an individual’s ATiPP score could range from 1 to 5, with higher values indicating a more positive attitude towards online therapy. The ATiPP questionnaire was originally designed to assess attitudes towards telemedicine in psychiatry and psychotherapy and showed very good reliability (Cronbach’s α > 0.8). For the current study, the broader concept of telemedical interventions was narrowed down to the use of online therapy. The adapted questionnaire showed an average inter-item covariance of 0.22 and good reliability (Cronbach’s α  = 0.73). For the items, see Supplementary Appendix A, questions 1–8. See Supplementary Appendix B for details on the psychometrics of the adapted ATiPP questionnaire.

Second, we evaluated the intention to use online therapy in inpatient care as a proxy for attitude (see Supplementary Appendix A, question 23).

Third, we assessed social influence, i.e. the expected attitude of others, on a 5-point scale (see Supplementary Appendix A, questions 24–25). Social influence is a predictor of behavioural intention to use the technology [12].

Potential benefits, barriers and facilitators of implementing online therapy in inpatient routine care

The survey of benefits, barriers and facilitators of implementing online therapy in inpatient routine care was inspired by the UTAUT model predictors [12]. Questions from previous research were adapted to meet the needs of the current study. Personal IT literacy and experience with online therapy programmes were assessed (see Supplementary Appendix A, questions 21–22). Additionally, we evaluated potential barriers and facilitators, i.e. preconditions, that need to be fulfilled and the perceived usefulness and potential benefits of online therapy in inpatient care. An open-response format was used for the respective questions (see Supplementary Appendix A, questions 26–36).

Data analysis

In addition to quantitative descriptive analysis of the scale scores [mean values (M), standard deviations (SD), frequencies, and percentages], we performed a qualitative analysis of the responses to the open questions, as follows: in accordance with the inductive approach [28], codes were developed by paraphrasing and summarising the raw data that addressed potential benefits, barriers and facilitators of online therapy in psychiatric inpatient care. Raw data from free text responses were coded by one psychologist who was involved in data collection during the workshops. By paraphrasing and summarizing the responses, she first developed a list of codes that were based on 40% of material. Then, she searched the rest of the qualitative data material (60%) for statements related to the original code list. During this coding process, she added new codes and adjusted the existing ones to fit the data. A sentence or paragraph could be assigned to one or more codes. The number of participants that referred to a code was counted. All qualitative analyses were conducted with the software MaxQDA Analytics Pro 2020 (Release 20.0.07). The raw data with assigned codes are available from the corresponding author.

Results

In total, 176 participants aged between 20 and 65 years (M = 37.6, SD = 11.5) answered the questionnaire; 67% of participants were females. Occupation was specified by 171 participants, as follows: 81 stated that they had a background in psychology, 74 were medical doctors (36 of whom were doctors in training) and 16 described themselves as nursing or other health care staff in psychiatry. A great majority of participants described their personal experience with online therapy as poor (Table 1).

Table 1 How much experience have you gained with online therapies?
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Also, the knowledge about online therapy for the treatment of mental illness in one’s own hospital was rated as being rather low (Table 2).

Table 2 How common is knowledge about internet-based interventions for the treatment of mental illness in the hospital where you work?
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Attitudes towards online therapy in inpatient care

The first objective of the study was to assess the attitude of German mental health care professionals working in an inpatient care setting towards online therapy. The participants’ answers tended towards the center of the 8-item ATiPP scale (N = 172, MedianATiPP score = 3.6, MATiPP score = 3.6, SD = 0.54, min = 2, max = 4.8). We found no significant association between the attitude towards online therapy (ATiPP score) and occupation, age, professional experience or personal experience with online therapy. However, we did find a small, significant, positive correlation of the ATiPP score with self-evaluated IT knowledge and skills (r = 0.15, p < 0.05). Results on the item level showed that most participants agreed or strongly agreed that ‘generally, online therapy is a good addition to medical services’ (77%). However, only 30% agreed that ‘an effective treatment of patients with mental illness is possible via online therapy’. And only 36% ‘would recommend that their patients receiving psychiatric or psychotherapeutic treatment need an online therapy if such were to be offered’. For full ATiPP results on the item level, please see Supplementary Appendix B.

About 21% of the participants had rather little intention to use online therapy in their daily routine and almost a third was indifferent. However, about half (48%) were interested in implementing online therapy in their daily routines in inpatient care (Table 3).

Table 3 How much do you like the idea of using online therapy in inpatient routine care?
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In comparison with their own attitude, participants considered the attitude of others (family, friends and acquaintances) towards online therapy to be more positive. Three-quarters of those surveyed believed that their family, friends and acquaintances have a positive (37%) or very positive (39%) attitude towards online therapies to treat mental illness (Table 4).

Table 4 What attitude do you assume your family and friends/acquaintances have towards the use of online therapies for treatment of mental illness?
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In contrast, many participants suspected that their colleagues have a rather negative or indifferent attitude towards online therapy and only 22% thought that their colleagues have a positive (20%) or very positive (2%) attitude towards implementing online therapies in their daily work (Table 5). Thus, these results suggested that work peer influence has a rather negative effect on the behavioural intention to use online therapies. In contrast, the social influence of family, friends and acquaintances was likely to be more positive. The individual ATTiP score was positively correlated with the assumed attitude of family, friends and acquaintances (r = 0.31, p < 0.001) and colleagues (r = 0.20, p < 0.05) towards online therapy.

Table 5 What attitude do you assume your colleagues have towards the use of online therapies in inpatient routine care?
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Potential benefits, barriers and facilitators of the implementation of online therapy in inpatient care

Benefits of e-mental health in inpatient care

Mental health professionals identified 18 potential benefits of online therapy in psychiatric inpatient care. Optimised treatment structure through online therapy was listed as an important potential benefit by 32% (n = 57) of participants. Furthermore, 31% (n = 55) classified online therapy programmes as a helpful add-on to inpatient face-to-face therapy, in terms of an extension of the treatment spectrum. In particular the empowerment of the patient (26%; n = 45) (e.g. through the possibility to work independently from the therapist) and the meaningful use of treatment-free times during hospitalisation (22%; n = 39) were mentioned as potential benefits. Psychoeducation through online programmes, which present the information well in writing, by videos, etc., and make it accessible at any time, was also considered useful (26%; n = 45). In addition, many of the professionals anticipated a higher level of treatment satisfaction and better adherence of patients as a result of the additional treatment option (26%; n = 45). Furthermore, better documentation, symptom tracking, monitoring and evaluation of therapy progress and its transparency to the patient could be positive results of implementing online therapy in inpatient care (23%; n = 41). Also, relapse prevention and bridging the transition from inpatient to outpatient care were stated as potential benefits (19%; n = 34); 14 participants (8%) mentioned that only outpatient care would benefit from online therapy. For full results on potential benefits, please see the coded responses and their frequencies listed in Table 6.

Table 6 Potential benefits of implementing online therapy in psychiatric inpatient care—the view of health care professionals
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Barriers to the integration of e-mental health in inpatient care

Mental health professionals identified 20 barriers to implementation of online therapy in psychiatric inpatient care. The barrier most frequently anticipated by health care professionals in psychiatric hospitals was that patients may lack the necessary capabilities, mainly because their symptoms are too severe and they would be cognitively incapable (23%; n = 41). Another common argument against online therapy was that the important face-to-face contact would be neglected (22%; n = 39). Further barriers mentioned were a shortage of technical equipment (21%; n = 37) and lack of internet access (13%; n = 23). Additionally, mental health care professionals assumed that patients might not be willing to do online therapy during inpatient care (19%; n = 33). Also mentioned was that a lack of acceptance by staff might be a significant barrier, i.e. colleagues may not be convinced and fear being replaced by the technology (14%; n = 25). All coded responses that addressed barriers are listed in Table 7.

Table 7 Potential barriers to implementing online therapy in psychiatric inpatient care—the view of health care professionals
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Facilitators to the integration of e-mental health in inpatient care

In total, mental health professionals identified 34 different potential facilitators for implementing online therapy in psychiatric inpatient care. Regarding technical preconditions for successful implementation into inpatient care, very good usability of the online therapy programme (32%; n = 57), free internet access (20%; n = 35) and devices (22%; n = 39) for patients and health care professionals were of particular importance. Furthermore, professionals considered it very important that the online therapy is highly adaptive to different needs and patients (20%; n = 35), that data security is ensured (19%; n = 34) and that the system interoperates with the local hospital IT system to avoid increased amounts of documentation (10%; n = 18).

Regarding patients, participants saw sufficient cognitive ability and functional level as indispensable preconditions for applying online therapy in inpatient care (38%; n = 68). Patients in severe crisis who are being treated on acute care units may not be able to concentrate on online therapy. Additionally, patients should participate voluntarily and be intrinsically motivated to work online (14%; n = 25).

The most important facilitator on the organisational side was the further education of staff. Many participants identified training as the necessary next step towards implementation of online therapy (33%; n = 58). Clearly structured workflows for the application and integration of online therapy in everyday clinical practice were also rated as particularly important (14%; n = 25). By this, the professionals meant, for example, that online therapy should be a useful addition to existing therapies and not have a different content. Acceptance by mental health care professionals (14%; n = 25) and transparent communication to patients about the treatment option were also key (14%; n = 25). Some professionals mentioned that face-to-face therapy should not be replaced by online therapy but rather remain an additional option (11%; n = 20). The coded responses and the number of participants that gave these responses are listed in Table 8.

Table 8 Facilitators to implement online therapy in psychiatric inpatient care—the view of health care professionals
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Discussion

We found that many mental health care professionals were not sure of how to evaluate online therapy in a psychiatric inpatient care setting. This may be related to the reported lack of practical experience. Nevertheless, 48% of the participants were interested in using online therapy in their daily routine. Thus, health care professionals in psychiatry seem to have a slightly more positive attitude towards e-health than their colleagues in inpatient rehabilitation centres with different diagnostic orientations, only 12% of whom showed a high level of intention to use e-health [28].

In line with an earlier study in which therapists who performed blended cognitive behavioural therapy were interviewed [19], the current study found that the most frequently mentioned potential benefit of the implementation of e-mental health in German inpatient care was providing better structured psychotherapeutic treatment. Further benefits were being an attractive add-on to face-to-face treatment and empowering patients. Nevertheless, our results on benefits suggest that for professionals a blended format that replaces parts of the current face-to-face interactions by digital tools would be more difficult to accept than e-mental health as add-on. To our knowledge, to date, no other study has assessed the potential benefits of online interventions in German psychiatric inpatient routine care from the view of the mental health professionals.

Regarding perceived barriers to implementation of online therapy in routine psychiatric inpatient care in Germany, this study reveals the serious concern that patients admitted to hospital because of the severity of their illness may not be willing or cognitively and mentally able to partake in online therapy. Additionally, mental health professionals worry that important face-to-face contacts would be neglected. Furthermore, they point to a lack of financial and personnel resources. In accordance with the present results, previous studies demonstrated that a severe course of disease [11, 17] and insufficient (technical) infrastructure [16] are perceived obstacles that prevent mental health professionals from using digital interventions in Germany and other Western societies [18]. The lack of infrastructure is particularly relevant in deprived and homeless patients with a high mental health burden because they will not be able to continue digital interventions after discharge [29].

Concerning facilitators, this study identified several factors that would be necessary for the implementation of e-mental health in the view of mental health care professionals working in psychiatric inpatient care in Germany. Amongst others, these facilitators include technical preconditions (internet access, workspaces, devices), usability of internet-delivered interventions, sufficient functional level of patients, and further training of staff. In particular the technical aspects (availability, reliability and interoperability) and the appropriateness of the internet-delivered interventions for addressing a patient’s mental health problem are also reflected in an earlier systematic review of implementation research [22]. The need for targeted training and support of professionals with clear transparent protocols was also emphasised by a recent review by Davies et al. on health care professionals’ perceptions of web-based psychological treatments in routine care [18]. Probably because most of the patients in psychiatric inpatient care are severely impaired, the professionals in the present study placed greater emphasis on the fact that a certain level of functioning in patients is a prerequisite for the use of e-mental health. The other reviews mentioned above included all possible treatment settings but more frequently examined scenarios in the outpatient setting.

Taken together, these findings about barriers and facilitators suggest that a successful implementation of online therapy in psychiatric inpatient routine care would work only if technical preconditions were met and if the internet-delivered interventions were tailored to the needs of psychiatric hospitals, i.e. high usability for patients and professionals. It is especially important to involve mental health professionals in the selection of online therapy programmes because individual needs vary considerably. However, studies on telepsychiatry, i.e. treatment via videoconferencing, suggest that our findings may not be specific to internet-delivered interventions [30,31,32]. The concerns of mental health care professionals regarding therapeutic alliance, privacy, safety and technology issues and their demands regarding financing, credentialing and education are very similar and universally valid [18]. Thus, the extensive adaptation of the clinical workflow is essential to the mental health care professional’s acceptance of e-health options, irrespective of the technology.

Limitations

The participants in this study lacked practical experience with e-mental health so the reported benefits, barriers and facilitators of online therapy in psychiatric inpatient care remain rather hypothetical. Despite the 2-week test period with the moodbuster platform to prepare for the workshops, 77% of participants indicated having no experience at all with online interventions. Other studies revealed that professionals’ attitude towards online therapy improves with more frequent use [19]. Implementation studies should be undertaken to investigate benefits, barriers and facilitators and also to compare online therapy as an add-on with blended therapy in psychiatric inpatient care in practice.

A methodological shortcoming of the study is that responses to the open-format questions were coded by only one coder. However, the questions regarding potential benefits, barriers and facilitators of e-mental health in psychiatric inpatient care were very precise and the short written answers left little room for interpretation. Therefore, we assume that this shortcoming did not cause any bias in the results.

Moreover, it is important to bear in mind that the present data were collected before the 2020 global corona pandemic, which represented a high mental health burden and required digital interventions to avoid infections [33, 34]. Today, many areas of life have been switched to digital solutions without personal contact. This includes psychiatric care, which partially introduced telepsychiatry, i.e. treatment via telephone or video [35]. In Germany, many doctors currently expect that even after the pandemic, video consultation will be used more often than it was before [36]. We assume that mental health care professionals’ attitude towards online treatment as an add-on or in a blended format will also further improve as a result of the recent experiences. To gain further information on this topic, we recommend that future studies evaluate professionals’ view of online therapy and implementations during and after the global corona pandemic.

Conclusion

This study sheds light on the specific benefits, barriers and facilitators concerning the implementation of e-mental health in psychiatric inpatient care. It shows that mental health care professionals in Germany see potential added value of internet-delivered interventions for inpatient routine care, for instance regarding better structured psychotherapy and patient empowerment. These benefits seem to make it worthwhile to tackle the barriers to implementation. Besides technical preconditions on the organisational level and further education of staff, the features of the internet-delivered interventions appear to be crucial facilitators.

To be accepted, internet-delivered interventions should be highly interoperable with a hospitals’ existing digital documentation system and capable of being integrated into the inpatient workflow. In addition, online therapy should be easy to use for patients and professionals. Especially for inpatient care, the cognitive demands that the online therapy places on the patient should be highly adjustable by professionals. In line with the proposed actions by the European transnational policy for e-mental health [37], we recommend strengthening implementation research on the organisational level.