A third of patients treated at a tertiary-level surgical service could be treated at a secondary-level facility.
The Lancet Commission on Global Surgery estimates that 28 32% of the global burden of disease is considered to be treatable by surgery, and has labelled surgery as the 'forgotten stepchild' of primary healthcare. [3,4]
The public healthcare sector in SA is overburdened at all levels of care.  Healthcare funding has not kept pace with inflation and the burden of disease.  Data are necessary to make informed decisions at a clinical, research, management and operational level. 
Quaternary and tertiary services are the most expensive and limited resources in the healthcare pyramid. Charlotte Maxeke Johannesburg Academic Hospital (CMJAH), SA, is a referral centre for a wide urban area under the Faculty of Health Sciences, University of the Witwatersrand teaching platform. The hospital is one of eight national referral centres in SA.
Clinical practice and service delivery often take priority at the expense of research.  Medical students represent a skilled group, who are willing and keen to participate, and student-aided research in surgery has resulted in several recent publications in prominent journals. [5,9]
CMJAH has four general surgical wards, with a total of 92 beds. The four wards are divided into breast and endocrine, gastroenterology, vascular, and trauma. Each ward admits elective and emergency patients.
An electronic discharge (ED) summary database was implemented in the Department of Surgery at CMJAH in April 2015. It replaced the hand-written paper system. A printed discharge summary and an electronic record for each discharge are created.
The ED summary is a web-based electronic instrument developed by the Faculty of Health Sciences, University of the Witwatersrand. Data are hosted on a secure university platform. End users can access password-protected records for point-of-care information and administrators have access to aggregated data.
There is a feeling among clinicians that some patients requiring secondary- or primary-level care are admitted to CMJAH; however, the number of patients and details are uncertain.
The ED summary database was used to determine the proportion of secondary-, tertiary- and quaternary-level patients who were discharged from the Department of Surgery at CMJAH between 1 April 2015 and 1 April 2016 and the proportion of bed days.
0ur objective was to determine the proportion of secondary-, tertiary-and quaternary-level patients discharged from the Department of Surgery at CMJAH between 1 April 2015 and 1 April 2016, and the proportion of bed days they occupied. Furthermore, we aimed to show that medical students are a valuable research resource. An ED summary database enables aggregated analysis and point-of-care clinical information.
Interns complete an ED summary for every patient who is discharged from the Department of Surgery at CMJAH. One field is a dropdown box allocating the level of care deemed appropriate. There are a mix of secondary-, tertiary- and quaternary-level patients treated at CMJAH.
A template with the definition of each level-of-care guided classification is shown in Table 1. For clarity, the levels are listed below.
Primary-care patients are those with conditions within the scope of a first-contact healthcare practitioner. An example would be a skin laceration requiring sutures only.
Secondary care generally requires a specialist opinion or management by more than one clinician. An example would be a healthy young male requiring an appendectomy under general anaesthesia.
Tertiary patients are those with significant comorbidities or who require more than one specialist clinician to manage their condition. An example would be a diabetic patient with renal dysfunction requiring a colectomy.
Quaternary-level patients require highly specialised multidisciplinary management. Examples include the involvement of solid-organ transplant and oncology teams.
The investigators were less rigid in the distinction between tertiary and quaternary levels, as these patients are managed in the same centre and require access to similar resources.
An SQL query created a list of all discharge summaries from the Department of Surgery at CMJAH from 1 April 2015 to 1 April 2016 in a .csv format (Microsoft Excel 2010, USA). The fields included were: database reference number, length of stay and level of care.
The database reference number is an automatically generated unique number for each record, thus ensuring patient confidentiality.
The length of stay was calculated from the difference between the admission and discharge dates. The number of bed days was calculated from the sum of all recorded lengths of stay. Admission and discharge within a 24-hour period was considered an admission of one day.
Each complete record was reviewed by a 5th-year medical student (Graduate-Entry Medical Programme, Year III, University of the Witwatersrand). These students have 1 year of clinical experience and are familiar with the primary, secondary and tertiary/quaternary classifications and the corresponding healthcare centres that provide the services.
Equivocal records were reviewed with a senior clinician. All records where the length of stay was 0 or >30 days were reviewed and corrected where necessary.
The students were paid at the university undergraduate student rate (ZAR57/hour).
Ethical clearance was obtained from the University of the Witwatersrand Faculty of Health Sciences Human Research Ethics Committee (ref. no. M160431). Permission was granted by the CMJAH chief executive officer.
A total of 3 007 discharge summaries were recorded from 1 April 2015 to 1 April 2016. Of these, 97 were not classifiable, 1 was a duplicate and there were 2 test patients on the system. The final number of records analysed was 2 907 (Table 2).
No patients were classified as primary-level care. Secondary level
Of the 2 907 records, 854 were classified as secondary-level care, comprising 29% of patients discharged, with an average length of stay of 4.31 days. These patients accounted for 19% of the total bed days.
Records classified as tertiary level numbered 1 612 or 55% of the total discharges, with an average length of stay of 6.98 days. This group accounted for 58% of the total bed days.
Quaternary level of care comprised 441 or 16% of the total number of patients, with an average stay of 9.77 days. The quaternary group accounted for 23% of total bed days.
Tertiary and quaternary levels together represented 71% of the total discharges and 81% of bed days.
There is a paucity of data on the surgical burden of disease in SA and the resources to address this deficit.  People who have the skills to abstract clinical data are a scarce and valuable resource.
Higher-income countries report using medical students to address the human resource limitation in data capture and abstraction. [9,11] Productive, relevant research is possible when clinicians engage with and support students toward a defined research goal.
The public healthcare system in SA is overburdened at all levels.  Lack of resources results in upward referral owing to local constraints. A tertiary or quaternary hospital is only one component of the healthcare pyramid. If skills and resources are limited, the trend is to refer to better-resourced facilities. The scarcity of skills, supervision and support dictates that doctors in district hospitals refer cases to tertiary centres.  This is especially true in surgery, which requires systems to function adequately and simultaneously (theatre, anaesthetics, surgery).  In SA, the distribution of doctors and facilities heavily favours urban areas. 
The majority of patient records at the Faculty of Health Sciences, University of the Witwatersrand-affiliated teaching hospitals are in a paper-based system format. Data storage and retrieval for point-of-care information and aggregated analysis is cumbersome and often incomplete.
The implementation of the ED summary has provided the Department of Surgery at CMJAH and the Faculty of Health Sciences, University of the Witwatersrand with a platform for clinicians to view patient discharge records for point-of-care information and aggregated data for analysis and research.
In this study, patients requiring secondary-level care represented 29% of the total patient numbers and 19% of the total bed days; the average length of stay was 4.31 days. These patients could potentially be managed at a more cost-effective secondary-level care facility.
Tertiary- and quaternary-level patients represented 71% of the total numbers and 81% of the total bed days. The length of stay was 6.98 and 9.77 days for tertiary and quaternary patients, respectively.
As expected, increasing complexity of disease translates into a prolonged hospital stay.
The ED summary database was implemented in the Department of Surgery at CMJAH in April 2015. There is a learning curve to any technology, which may have skewed the results. This was mitigated by end-user training and support by the ED team.
The ED summary database was designed to mimic the previous paper-based workflow at CMJAH. Patients who were transferred from surgery wards or died may not have had an ED summary.
The ED summary database has made records accessible for patient care and aggregated data analysis. With appropriate technology, end-user training and support, electronic instruments can be successfully implemented and sustained in the SA public healthcare environment.
Medical students are a valuable resource with skills for clinical data abstraction.
At the Department of Surgery, CMJAH, 29% of total patient numbers and 19% of total bed days could potentially have been managed at a more cost-effective secondary-level facility during April 2015 -April 2016.
Acknowledgements. The Department of Surgery at CMJAH, the interns responsible for the generation of the discharge summaries and the Faculty of Health Sciences Biomedical Informatics team are acknowledged. Author contributions. All authors contributed meaningfully to the production of the manuscript.
Funding. The students were paid the university undergraduate rate (R57/ hour) from research funds of the corresponding author.
Conflicts of interest. None.
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Accepted 21 April 2017.
S van Straten, (1) 5th-year MB BCh student; C Stannard, 15th-year MB BCh student; J Bulabula, (1) 5th-year MB BCh student; K Paul, (1) 5th-year MB BCh student; J Leong, (1) 5th-year MB BCh student; M J Klipin, (2) FCS (SA)
(1) School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
(2) Department of Surgery, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
Corresponding author: M J Klipin (firstname.lastname@example.org)
Table 1. Definitions used to classify level of care Level Description Detail of care Primary Patient needs Primary-care centres serve as to see a first point of contact with a generalist health professional and provide outpatient medical and nursing care. Services are provided by general practitioners, dentists, community nurses, pharmacists and, among others, midwives Secondary Patient needs Healthcare services provided to see a by medical specialists, dental specialist specialists and other health professionals, who generally do not have first contact with patients, e.g. cardiologists, urologists, endodontists, and oral and maxillofacial surgeons Tertiary Patient needs Specialised consultive to see more healthcare, usually for inpatients than one and on referral from a primary or specialist secondary health professional, in a facility that has personnel and facilities for advanced medical investigation and treatment, such as a tertiary referral hospital Quaternary Patient The term quaternary care is requires a sometimes used as an extension multidisciplinary of tertiary care with regard to team advanced levels of medicine, which are highly specialised and not widely accessed, e.g. solid-organ and cellular transplantation, oncology and radiotherapy Level Example of care Primary General practitioner, provincial or municipal clinics Secondary Regional hospitals, Edenvale Hospital, * Tembisa Hospital * Tertiary Charlotte Maxeke Johannesburg Academic Hospital, * Chris Hani Baragwanath Academic Hospital, * Helen Joseph Hospital, * with some exclusions Quaternary Charlotte Maxeke Johannesburg Academic Hospital, * Chris Hani Baragwanath Academic Hospital * * Reference hospitals were provided, as they are institutions that are familiar to the data captures. Table 2. Discharge records, level of care and length of stay Level of Average % of total care Records, n % of total LOS, days bed days Primary 0 0 0 0 Secondary 854 29 4.31 19 Tertiary 1 612 55 6.98 58 Quaternary 441 16 9.77 23 Total 2 907 100 6.62 100 LOS = length of stay.
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|Author:||van Straten, S.; Bulabula, J.; Paul, K.; Leong, J.; Klipin, M.J.|
|Publication:||South African Medical Journal|
|Date:||Sep 1, 2017|
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