Abstract
Introduction
Dermatologists play essential roles in providing dermatology consultations to inpatients admitted to hospital for care in another speciality ward. Data on dermatology consultations provided to inpatients admitted to general surgery wards are limited. The aim of this study was to analyze the reasons for and diagnoses of consultations provided by dermatologists to hospitalized patients in a general surgery ward and compare the provisional diagnoses by surgical residents and the final diagnoses by dermatologists.
Methods
Electronic health records were retrieved for patients admitted to a general surgery ward who received dermatology consultations while inpatients in Peking Union Medical College Hospital between 1 September 2015 and 31 August 2020. Sex, age, surgical diagnosis, reason for dermatology consultation, provisional diagnosis by surgical residents, and final diagnosis by dermatologists were reviewed.
Results
A total of 262 dermatology consultations for 251 patients (n = 251, 123 women and 128 men) were identified, of whom 240 (95.6%) required only one consultation and 11 (4.4%) required two. Dermatology consultations were classified into three categories: preoperative consultation (n = 45, 17.9%), postoperative consultation (n = 65, 25.9%), and consultation unrelated to general surgery diseases or treatments (including surgery) (n = 141, 56.2%). For consultations falling in the category preoperative consultation, common reasons for the consultation were: to evaluate whether the current treatment plan for previously diagnosed skin diseases needed to be changed; to evaluate and manage skin problems that emerged after admission; to evaluate syphilis; and to evaluate whether previously diagnosed skin diseases would affect surgical incision or wound healing. Drug eruption, dermatitis/eczema, infectious skin disorders, and urticaria were the most common skin diseases in the hospitalized general surgery patients. Only 32 (12.7%) provisional diagnoses were made, of which 25 (78.1%) were correct and seven (21.9%) were incorrect. Surgical residents mainly had difficulty distinguishing herpes zoster, drug eruption, and infectious skin disorders from dermatitis/eczema.
Conclusion
Our results facilitate the understanding of inpatient dermatology consultations in general surgery wards and may help in the design of future educational materials and/or management guidelines.
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Avoid common mistakes on your manuscript.
Dermatologists play essential roles in providing dermatology consultations to inpatients hospitalized for care in another speciality discipline. |
This study aims to analyze the reasons for and diagnoses from consultations provided by dermatologists to hospitalized patients in a general surgery ward, and to compare provisional diagnoses by surgical residents and final diagnoses by dermatologists. |
Dermatology consultations were classified into three categories: preoperative consultation (17.9%), postoperative consultation (25.9%), and consultation unrelated to general surgery diseases or treatments (including surgery) (56.2%). |
Drug eruption, dermatitis/eczema, infectious skin disorders, and urticaria were common skin diseases in hospitalized general surgery patients. |
Our results facilitate the understanding of inpatient dermatology consultations in general surgery wards and may help in the design of future educational materials and/or management guidelines. |
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Introduction
Dermatology is primarily an outpatient-based service; however, dermatologists also play essential roles in providing dermatology consultations to inpatients hospitalized for care in other speciality disciplines [1, 2]. Timely and accurate dermatology consultations can benefit the hospitalized patients in terms of diagnosis and treatment of skin diseases [3, 4]. A retrospective study of 731 referrals for dermatology consultations showed that there was not always a good correspondence between the provisional diagnoses made by the referring doctors and the final diagnoses confirmed by dermatologists, with 30.2% correct diagnoses, 35.2% incorrect diagnoses, and 34.6% no provisional diagnoses [5]. Another study also showed that dermatology consultations were associated with a reduction in the adjusted hospital length of stay by 2.64 days [6]. Inpatient dermatology consultation can shorten hospitalizations and reduce costs [7]. Retrospective analysis of inpatient dermatology consultations also facilitates dermatology education among specialists in other disciplines by increasing the latter’s awareness of skin diseases [8]. The collaboration between dermatologists and physicians in other disciplines greatly relies on consultations and improved quality of patient care [2].
The spectrum of skin diseases in patients admitted to non-dermatology hospital wards has been reviewed and analyzed, including for internal medicine [9], hematology [10], neurosurgery [2], and obstetrics and gynecology [11]. However, data on dermatology consultations for inpatients admitted to general surgery wards are limited. The aim of this study was to analyze the reasons for and diagnoses from consultations provided by dermatologists to hospitalized patients in a general surgery ward. Provisional diagnoses by surgical residents and final diagnoses by dermatologists were also compared. Knowledge of these reasons and diagnoses may help dermatologists provide better care for hospitalized patients in surgical wards. This study might also facilitate dermatology education among future surgeons.
Methods
Electronic health records were retrieved for patients admitted to a general surgery ward who received dermatology consultations while an inpatient of Peking Union Medical College Hospital, a tertiary hospital in Beijing, China, over a 5-year period between 1 September 2015 and 31 August 2020. Inpatient dermatology consultations were requested by physicians from other departments and conducted by senior residents or junior attending dermatologists.
Sex, age, surgical diagnosis, reason for dermatology consultation, provisional diagnosis by surgical residents, and final diagnosis by dermatologists were reviewed. The diagnoses of skin diseases were made according to the International Classification of Disease, 10th Revision. Diseases were classified by two of the authors (HZ and KT) according to previously published articles on inpatient dermatology consultations [2, 4, 10, 12], and the classification was re-checked by another two authors (HJ and QS, both professors in dermatology). This study was approved by the Institutional Review Board at Peking Union Medical College Hospital (Number: S-K1589).
Results
Baseline Characteristics
A total of 262 consultations for 251 patients (n = 251, 123 women, 128 men) were identified and reviewed. The average (± standard deviation [SD]) age of the patients attending a consultation was 54.23 ± 16.24 (median 56) years. Of these 251 patients, 240 (95.6%) required only one consultation and 11 patients (4.4%) required two. Patients who needed general surgery were admitted to the general surgery ward for pancreas diseases (n = 51), stomach diseases (n = 38), thyroid diseases (n = 33), rectal diseases (n = 32), colon diseases (n = 24), gallbladder diseases (n = 13), bile duct diseases (n = 11), and others (n = 49).
Reason for Dermatology Consultations and Spectrum of Skin Diseases
Dermatology consultations (evaluation and management of dermatologic conditions) were classified into three categories according to electronic health records: preoperative consultation related to general surgery diseases or treatments (including surgery) (n = 45, 17.9%); postoperative consultation related to general surgery diseases or treatments (including surgery) (n = 65, 25.9%); and consultation unrelated to general surgery diseases or treatments (including surgery) (n = 141, 56.2%).
Table 1 shows the reasons for the dermatology consultations and the final diagnoses by dermatologists for preoperative consultations related to general surgery diseases or treatments (including surgery) (n = 45). The most common reason for a consultation was to evaluate whether the current treatment plan for a previously diagnosed skin disease needed to be changed before surgery (n = 14). Other reasons included the need to evaluate and manage skin problems that emerged after admission (n = 11); assess syphilis (due to positive rapid plasma reagin [RPR] test and/or positive Treponema pallidum particle agglutination assay [TPPA] (n = 10); evaluate whether previously diagnosed skin diseases would affect surgical incision or wound healing (n = 5); evaluate whether previously diagnosed skin diseases would affect the feasibility of surgery (n = 3); and assess whether current skin diseases were related to general surgery diseases and assist in treatment (n = 2).
Tables 2 and 3 show the spectrum of skin diseases that were the reasons for postoperative consultations related to general surgery diseases or treatments (including surgery) (n = 65), and consultations unrelated to general surgery diseases or treatments (n = 141). Reasons for consultations under these circumstances are all about asking for a diagnosis and treatment for skin lesions and treatment for previously diagnosed skin diseases. The most common reason for postoperative consultations was drug eruption (n = 22), followed by dermatitis and eczema (n = 21), infectious skin disorders (n = 16), non-specific or descriptive diagnosis (n = 5), and acne fulminans (n = 1). The most common reason for consultations unrelated to general surgery diseases or treatments was dermatitis and eczema (n = 67), followed by infectious skin disorders (n = 20), urticaria (n = 14), non-specific or descriptive diagnosis (n = 5), and other diseases (n = 35; for psoriasis, n = 6; for each of the other specific diseases, n < 5).
Provisional Diagnoses and Final Diagnoses
In the context of the consultation system, surgical residents, in addition to recording the reasons for a dermatology consultation, medical history and current condition of the patient, and description of skin lesions, can also write and submit provisional diagnoses, which will be confirmed or revised by dermatologists. In this study, only 32 provisional diagnoses were provided, of which 25 (78.1%) were correct (diagnoses by surgical residents and dermatologists were the same) and seven (21.9%) were incorrect (diagnoses by surgical residents and dermatologists differed). The seven incorrect provisional diagnoses and corresponding final diagnoses are listed in Table 4.
Discussion
In this study, we summarized the reasons for consultations with dermatologists and the diagnoses provided by dermatologists based on these consultations, for hospitalized patients in a general surgery ward in a tertiary hospital in China. Different medical departments and health systems assess the spectrum of skin diseases differently. However, the spectrum assessed in our study is similar to that used in previous studies, with dermatitis/eczema, skin infections, and drug eruptions accounting for most dermatologic diagnoses [5, 13]. We also summarized seven misdiagnoses from surgical residents, and the corresponding final diagnoses from dermatologists.
Motivations for preoperative consultations were summarized in detail in the medical records. It is important that dermatologists take responsibility to evaluate whether the current treatment plan for previously diagnosed skin diseases, such as psoriasis, dermatomyositis, pemphigus, vasculitis, bullous pemphigoid, vitiligo, and atopic dermatitis, needs to be modified before surgery. Dermatologists emphasize the need for a long follow-up period for inflammatory or autoimmune diseases, to better control and prevent relapses [14,15,16]. Two patients in our study previously diagnosed with herpes zoster during the recovery periods also asked for dermatology consultations on drug adjustment. Herpes zoster should be given more attention, especially when caring for patients who are immunocompromised or have chronic disorders [17]. Dermatologists also play a role in evaluating and providing suggestions on syphilis, which could ensure the medical safety of syphilis patients and medical staff. Surgeons also asked for evaluations regarding whether previously diagnosed skin diseases, such as scleroderma, keloid, and seborrheic keratosis, would affect surgical incision or wound healing. Dermatologic evaluation is also recommended for patients with urticaria/angioedema, to ensure that the disease is well controlled. Severe urticaria/angioedema may endanger the lives of patients and if present, treatment and/or cancellation/postponement of surgery would be required.
Contact dermatitis was common among the patients included in our study, although most diagnoses of dermatitis and eczema were not specific. Sweating, detergents, soaps, antiseptics, and occlusive dressings for wounds may all contribute to contact dermatitis [2, 18]. Stasis dermatitis should also be treated under the guidance of dermatologists, especially in elderly patients and those overweight or obese and those have to stand for a long time for their work [19]. Diagnosis and management of drug eruption are essential tasks for dermatologists. In our study population, drug eruption accounted for 33.8% of all postoperative consultations related to general surgery diseases or treatments, and was present in 8.8% of the 251 patients. Early diagnosis and treatment are important for patients with drug eruption, especially severe drug eruption [20]. Hung and colleagues reviewed drug allergies in a surgical population, and concluded that most reported drug allergies were for antibiotics (50%), opioids (27%), non-steroidal anti-inflammatory agents (10%), and sedatives (5%) [21]. Weinkle et al. [3] summarized the clinical characteristics of their patients with Stevens-Johnson syndrome and toxic epidermal necrolysis and concluded that Nikolsky sign, atypical targets, fever, and lymphopenia could predict the probability of these two diseases.
Of all 251 patients in our study, only 32 (12.7%) received provisional diagnoses from surgical residents. Residents should be encouraged to present their provisional diagnoses as this would enable dermatologists to provide guidance. Non-dermatologists may find it difficult to care for hospitalized patients with skin diseases because of the wide range of dermatologic conditions that can present in patients [2]. Falanga et al. [22] reported that dermatologic consultations could result in the dermatologic diagnosis and treatment being changed in more than 60% of hospitalized patients. Here we summarized the seven incorrect provisional diagnoses provided by surgical residents and corresponding final diagnoses by dermatologists. Overall, surgical residents were found to have difficulty distinguishing herpes zoster, drug eruption, and infectious skin disorders from dermatitis/eczema. This result suggests that the diagnosis and treatment of common skin diseases should be popularized in residents who are directly in charge of hospitalized patients.
Inpatient dermatology consultations can help identify skin diseases and skin lesions secondary to other diseases or secondary to treatments, and assist in the diagnosis and treatment of systemic diseases, thereby benefiting patients by providing multidisciplinary care [23, 24]. Such consultations also have educational significance for both dermatologists and non-dermatologists. Inpatient dermatology consultation is essential training for senior residents and junior attendings in departments of dermatology in China. Although some consultations may be difficult, a wide variety of clinical scenarios can enrich their professional knowledge and broaden their horizons [25]. Residents from other departments can also learn dermatologic knowledge from dermatologists by providing a provisional diagnosis and then following specialist management of the case. Inpatient dermatology consultations also help improve the understanding of skin diseases, especially comorbidities and systemic treatments, of senior residents . Among our cases, the surgical resident described a 55-year old gastric cancer patient with “erythema, flushing, and multiple papules on the face”, and made a provisional diagnosis of “acne.” However, the dermatologist made the final diagnosis of “rosacea.” Helicobacter pylori is known to play a role in the development of rosacea, which is also one of the main causes of chronic gastritis, gastric cancer, and gastrointestinal ulcers [26, 27]. Therefore, such consultations result in providing better patient care and help dermatologists and surgeons better understand rosacea and gastric cancer.
Dermatology consultations, especially teledermatology consultations, havealso played a role in fighting against COVID-19. In West China Hospital, dermatologists have been providing free online and telephone consultations to reduce the flow of patients to the hospital while still meeting their medical needs amid the COVID-19 pandemic [28]. Dermatologists working side by side with healthcare professionals from other departments have helped treat skin diseases associated with COVID-19 [29, 30]. Teleconsultation can be provided by dermatologists for COVID-19 patients; if necessary, bedside consultation is also provided [31]. Teledermatology consultation can also be used to provide underresourced hospitals with access to dermatologists, as well as to maintain resident education during COVID-19 [32, 33]. To date, inpatient teledermatology has not been applied in our hospital, but this approach might be considered in the future to help meet the demand for inpatient skin disease treatment and the prevention of misdiagnosis, unnecessary costs, and unnecessary treatments [34].
This study has several limitations. Due to the retrospective nature of the study, include figures and detailed descriptions of skin lesions were not available; thus, precisely which drug eruptions and skin infections occurred were hard to identify. Also, this study was conducted only in a single tertiary medical center, and the department of breast surgery and liver surgery are separate from the department of general surgery in this hospital, which may have introduced bias into the study. Larger long-term prospective studies are warranted in the future.
Conclusion
To our knowledge, this is the first long-term study on inpatient dermatology consultations in general surgery wards. In this study, we enrolled 251 patients admitted to a general surgery ward in a hospital in China and analyzed the reasons for and diagnoses from inpatient consultations with dermatologists. Dermatology consultations could be classified into three categories: preoperative consultation (n = 45, 17.9%); postoperative consultation (n = 65, 25.9%); and consultation unrelated to general surgery diseases or treatments (including surgery) (n = 141, 56.2%). For consultations falling in the category preoperative consultation, commons reasons for the consultation were: to evaluate whether the current treatment plan for previously diagnosed skin diseases needed to be changed; to evaluate and manage skin problems that emerged after admission; to evaluate syphilis; and to evaluate whether previously diagnosed skin diseases would affect surgical incision or wound healing. Drug eruption, dermatitis/eczema, infectious skin disorders, and urticaria are common skin diseases in hospitalized patients in the general surgery ward. Only 32 (12.7%) provisional diagnoses were provided, of which 25 (78.1%) were correct and seven (21.9%) were incorrect. Our results facilitate the understanding of inpatient dermatology consultations in general surgery wards and may help in the design of future educational materials and/or management guidelines. Inpatient dermatology consultations benefit the hospitalized patient in terms of the diagnosis and treatment of skin diseases and provide a means to educate both dermatologists and non-dermatologists.
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Acknowledgements
Funding
No sponsorship was received for this study or publication of this article. The Rapid Service Fee was funded by Peking Union Medical College Hospital.
Authorship
All named authors meet the International Committee of Medical Journal Editors (ICMJE) criteria for authorship for this article, take responsibility for the integrity of the work as a whole, and have given their approval for this version to be published.
Authorship Contributions
Hanlin Zhang and Keyun Tang designed the study and prepared the manuscript. Rouyu Fang made the tables. Hongzhong Jin and Qiuning Sun supervised the study and revised the manuscript.
Disclosures
Hanlin Zhang, Keyun Tang, Rouyu Fang, Hongzhong Jin, Qiuning Sun declare that they have nothing to disclose.
Compliance with Ethics Guidelines
This study was approved by the Institutional Review Board at Peking Union Medical College Hospital.
Data Availability
The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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Zhang, H., Tang, K., Fang, R. et al. Inpatient Dermatology Consultations in a General Surgery Ward in a Tertiary Hospital in China: A Retrospective Study of 251 Patients. Dermatol Ther (Heidelb) 11, 961–970 (2021). https://doi.org/10.1007/s13555-021-00528-6
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DOI: https://doi.org/10.1007/s13555-021-00528-6