Abstract
Background
Most mortality attributable to surgical emergencies occurs in low- and middle-income countries. District hospitals, which serve as the first-level surgical facility in rural sub-Saharan Africa, are often challenged with limited surgical capacity. This study describes the presentation, management, and outcomes of non-obstetric surgical patients at district hospitals in Rwanda.
Methods
This study included patients seeking non-obstetric surgical care at three district hospitals in rural Rwanda in 2013. Demographics, surgical conditions, patient care, and outcomes are described; operative and non-operative management were stratified by hospitals and differences assessed using Fisher’s exact test.
Results
Of the 2660 patients who sought surgical care at the three hospitals, most were males (60.7 %). Many (42.6 %) were injured and 34.7 % of injuries were through road traffic crashes. Of presenting patients, 25.3 % had an operation, with patients presenting to Butaro District Hospital significantly more likely to receive surgery (57.0 %, p < 0.001). General practitioners performed nearly all operations at Kirehe and Rwinkwavu District Hospitals (98.0 and 100.0 %, respectively), but surgeons performed 90.6 % of the operations at Butaro District Hospital. For outcomes, 39.5 % of all patients were discharged without an operation, 21.1 % received surgery and were discharged, and 21.1 % were referred to tertiary facilities for surgical care.
Conclusion
Significantly more patients in Butaro, the only site with a surgeon on staff and stronger surgical infrastructure, received surgery. Availing more surgeons who can address the most common surgical needs and improving supplies and equipment may improve outcomes at other districts. Surgical task sharing is recommended as a temporary solution.
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Introduction
About a quarter of the global burden of diseases can be treated with surgery [1] with injuries (38 %), malignancies (19 %), and congenital abnormalities (9 %) as the leading conditions needing surgical care [2]. Only a third of the world’s population, mostly from high-income countries, benefit from three quarters of the 234.2 million major surgical procedures performed worldwide [2]. Approximately three quarters of mortality attributable to surgical emergencies are in low- and middle-income countries (LMICs) [3].
Although conditions needing minor and major surgery are common in LMICs [2, 4], the lack of access to surgical care remains a critical gap in these health systems [5]. In the rural areas of most LMICs, including Rwanda, district hospitals serve as the first-level facility providing surgical care [6]. However, inadequate expertise, equipment, and facilities in the district hospitals limit access, safe, and efficient surgical care [2, 6]. Further, financial barriers such as related opportunity costs and cultural barriers such as fear of experiencing surgery and fear of negative outcomes from anesthesia inhibit patients from seeking care [5].
The nature of surgical procedures performed at district hospitals also vary. In 2009 and 2010, over 80,000 surgical procedures (major and minor) were recorded annually in Rwanda. Surgical registers and annual hospital reports at two referral hospitals in Rwanda showed that 82.5 per cent of major surgical procedures were performed in district hospitals [7]. However, 60 % of these major operations were obstetrics and gynecologic. Little is known about the types and management of non-obstetric surgical conditions in the rural district hospitals. This study describes the management and outcomes of patients needing non-obstetric surgical care at three rural district hospitals in Rwanda. The understanding of the non-obstetrics surgical needs and care provided can stimulate changes in policy and practice guidelines that may improve surgical care and hence patient outcomes.
Materials and methods
Study design and setting
This retrospective cohort study included patients seeking non-obstetric surgical care from January 1 to December 31, 2013 at three rural district hospitals (Kirehe, Butaro and Rwinkwavu District Hospitals (DHs)) in Eastern and Northern Provinces of Rwanda. These hospitals are managed by the Ministry of Health and supported by Partners In Health/Inshuti Mu Buzima (PIH/IMB), a US-based non-governmental organization. Collectively, these hospitals serve a population of 897,117 people and provide surgical care to patients referred from 41 health centers.
In Rwanda, district hospitals provide basic surgical care, primarily minor and obstetric surgeries. These hospitals rely on general practitioners and nurses to provide surgical care, except for Butaro DH which had a general surgeon on staff for most of 2013 and benefited from frequent short-term visiting specialists such as plastic surgeons. In addition, Butaro is a cancer center of excellence, thus more equipped to provide surgical care. Typically, patients who need major surgical interventions at any of the three hospitals are referred to tertiary hospitals.
Study population and data collection
The study included all patients admitted to the DHs for non-obstetric surgical conditions from January 1 to December 31, 2013. Patients who were admitted for obstetric conditions were excluded. We collected data on demographics and surgical conditions at presentation, the operative and non-operative management provided, and patient outcomes. We defined non-operative management as treatment, such as laboratory tests, imaging, narcotic and non-narcotic pain medication, wound care, and the use of antibiotics, that did not involve surgical operation. Data were extracted from patients’ charts and from registers in surgery and theater departments. Four data collectors were trained in chart extraction and data entry. A sample of data was reviewed and matched across the admission information, patient charts, and theater logs for completeness and accuracy.
Analysis and statistics
We described the number and percent for demographic variables and surgical conditions. The operative and non-operative management provided was stratified by hospitals, and differences were assessed using Fisher’s exact test. We described overall patient outcomes, categorized as patients who were discharged after operative care, non-operative management, referred for tertiary care, absconded, or died. Stata v13 (College Station, TX: StataCorp LP) was used for analysis.
Ethics
The study received technical approval from the PIH/IMB Research Committee and the National Health Research Committee, and received ethical approval from Rwanda National Ethics Committee and the Partner’s Human Research Committee in Boston, MA. The study was also approved by the Rwanda Ministry of Health.
Results
Demographics
The 2660 patients needing non-obstetric surgical care were relatively evenly distributed across the hospitals, with 766 (28.8 %) at Butaro DH, 909 (34.2 %) at Rwinkwavu DH and 985 (37.0 %) at Kirehe DH (Table 1). For the 2647 (95.5 %) with gender recorded, most were males (n = 1607, 60.7 %), and for the 2573 (96.7 %) with age recorded, 864 (33.6 %) were between 25 and 49 years. Insurance status was recorded for 1611 (60.5 %) of the patients, of which 1382 (85.8 %) had national insurance and 131 (8.1 %) were not insured. For the 2405 (90.4 %) with a final diagnosis, the largest cohort (n = 1024, 42.6 %) was trauma patients. For the 939 (91.7 %) of trauma patients with details on mechanism of injury recorded, a third (n = 355, 37.8 %) were caused by road traffic injuries.
Operative care
For the 2576 (96.8 %) with information recorded, 649 (25.3 %) had a surgical procedure completed at the district hospital, with patients at Butaro DH significantly more likely to have surgery (n = 436 out of 765, 57.0 %, p < 0.001) (Table 2). Of the operations performed, 36 (6.7 %) were emergency surgeries with the remaining elective, with the percent of emergency operations in Rwinkwavu DH being significantly higher (17.4 %, p = 0.019). Most operations (n = 373, 81.6 %) were on patients in ASA Class I.
The most common operative procedures were excision of cysts, lipomas, keloids, and masses (n = 152, 34.9 %) at Butaro DH; abscess incision and drainage (n = 22, 24.2 %) at Rwinkwavu DH; and hernia/hydrocele repair (n = 76, 62.3 %) at Kirehe DH. Most patients received antibiotics post-operatively in Rwinkwavu (n = 63, 90.0 %) and Kirehe (n = 67, 77.9 %) and peri-operatively in Butaro (n = 267, 79.2 %, p < 0.001). The use of general anesthesia was more common at Rwinkwavu DH (n = 52, 74.3 %), followed by Kirehe DH (n = 52, 53.6 %). However, local anesthesia was more often used at Butaro DH (n = 111, 26.6 %) compared to the other sites.
The majority of procedures were performed by general practitioners at Kirehe (n = 118, 100 %) and Rwinkwavu DHs (n = 81, 98.8 %), where provider type was recorded. In contrast, at Butaro DH, 184 (42.6 %) of the surgical procedures were performed by the on-staff surgeon and 182 (42.1 %) were performed by visiting plastic surgeons. Most surgical procedures with duration reported were completed in less than thirty minutes (n = 143, 47.4 %; n = 15, 51.7 %; and n = 46, 69.7 % for Butaro, Rwinkwavu and Kirehe DHs, respectively). Surgical complications were rarely recorded in over 85 % of cases at each site.
Non-operative management—evaluation and treatment
For the 2660 patients, 1583 (59.5 %) had at least one laboratory test recorded and 1197 (45.0 %) patients had at least one imaging completed (Table 3). The use of laboratory evaluation differed between sites (p < 0.001). Butaro DH patients were most likely to have at least one laboratory test (n = 649, 84.7 %). The most common laboratory tests were full blood count (n = 1447, 54.4 %) and HIV tests (n = 913, 34.3 %). Imaging also differed significantly among the hospitals (p < 0.001) with Kirehe DH patients most likely to have at least one imaging (52.1 %, n = 513). The most common imaging overall was orthopedic related x-ray (26.8 %, n = 713). The major non-surgical treatments were the use of both narcotic and non-narcotic pain medication (73.8 %, n = 1964), antibiotics (63.5 %, n = 1689), and wound care (52.7 %, n = 1401), and these differed significantly across the hospitals (p < 0.001). The majority of the patients were discharged between 1 and 7 days (n = 1468, 58.2 %).
Outcomes
Overall, we found that 562 (21.1 %) patients were operated upon and were discharged, and the additional 562 (21.1 %) were referred to another facility (Table 4). Up to 1051 (39.5 %) patients received non-operative management only and were discharged, 39 (1.5 %) absconded, and 34 (1.3 %) died. Outcomes were not recorded for 412 (15.5 %) patients. Cancer patients (n = 103, 40.9 %) and non-cancer general surgery patients (n = 299, 58.8 %) were most likely to receive surgery and be discharged. Most trauma patients (n = 572, 55.9 %) and those with surgical infections (n = 312, 57.8 %) were discharged with non-operative management, and the majority of the patients with congenital conditions (n = 19, 59.4 %) were referred to another facility.
Discussion
In this study, we retrospectively investigated medical records of patients needing non-obstetric surgical care in three rural district hospitals in Rwanda. Most patients were males, and injury was the most common diagnosis, mainly resulting from road traffic injuries and assaults. Injury has been recognized as the leading condition requiring surgical care in Rwanda and other LMICs [1, 2, 8]. The prevalence in our cohort is similar to a Kenyan study where 41 % of patients who visited a hospital’s emergency department were injured [9]. The Kenyan study also found that most non-obstetric surgical patients were males and most injuries resulted from road traffic injuries (42 %) and assaults (28 %), consistent with our results. Road traffic injuries are a persistent menace in Africa, and preventive strategies at the national level such as improved road traffic safety and community promotion of the safe use of roads are suggested [1].
Supporting laboratory and imaging diagnostics were limited, with only 59.5 % of patients having any laboratory testing and only 45.0 % receiving any imaging. While not all patients presenting for surgical care may need testing or imaging (for example, in Kenya, only 72 % of trauma patients needed x-rays [9], the current level of testing and diagnostics remains low. As observed in other studies, inadequate equipment and materials may contribute to the low levels of laboratory tests and imaging [2]. In addition, the variation noted in diagnostics may be attributed to differences in equipment and availability of specialists at the three district hospitals. Availing the needed equipment and materials can improve laboratory testing and imaging and hence improve diagnosis for better care. These differences may also reflect variation in practice patterns based on the surgical training received by the providers at the different district hospitals. Developing protocols for management of surgical conditions to guide providers at all district hospitals could also improve appropriate resource utilization for surgical patients.
For patients seeking non-obstetric surgical care at the district hospitals, nearly a quarter received some type of operation at the district hospital. Although other studies report over 80 % of major surgeries happening at the district hospitals in Rwanda (CHUK Report 2010), most of these are obstetric cases [6, 7]. Although obstetrics care may affect non-obstetrics care at the district hospital level [10], due to separate obstetrics theaters and providers in our study hospitals, we suspect minimal impact and advise further study to assess this relationship. There was significant variation in types of non-obstetric surgery completed across the three district hospitals, and similar variations at district hospitals have been observed in other sub-Saharan countries [6]. Kirehe and Rwinkwavu DH had higher incidences of orthopedic trauma (56 and 49 % of all non-obstetric conditions, respectively) compared to Butaro (18 %). This pattern remained even with the exclusion of operations performed by visiting plastic surgeons which might skew the surgical presentations (Kirehe (56 %), Rwinkwavu (49 %), and Butaro (23 %)). Butaro is more rural and difficult to reach than Kirehe and Rwinkwavu which are closer to tarmac roads, and hence higher road traffic and more likely to experience road traffic injuries. The differing surgical practice patterns at district hospitals reflect differences in both surgical capacity and epidemiologic needs at each hospital, indicating that decision makers will need to tailor some decisions based on the needs at the hospital level.
A significantly higher proportion of patients in Butaro DH received surgery, likely attributable to the presence of a general surgeon on staff in Butaro in addition to frequent specialist surgeons’ visits who provided non-routine surgical care in this setting during 2013. In most countries in sub-Saharan Africa, hospitals rely on non-surgeons to provide surgical care in rural facilities. A study of eight district hospitals in Mozambique, Tanzania, and Uganda found no specialist surgeons or anesthetists, with general practitioners and nurses providing most of the operative services [4]. While not all patients presenting with a surgical condition need an operative procedure, the very low volume of operative procedures, especially in Rwinkwavu and Kirehe, indicates a gap in meeting the district-level surgical need. The increased number of operations at Butaro DH emphasizes recommendations that more operative care could be provided at the district hospital level if additional surgical staff were available and proper surgical equipment availed [1]. In Butaro, visiting plastic surgeons performed 40 % of all surgeries in 2013. However, the exclusion of the 182 surgeries performed by the visiting surgeons still left Butaro with the highest volume of operations, more than twice the operations performed in Rwinkwavu or Kirehe, suggesting that the visits met local needs rather than skew presentation and interventions. The 2015 Lancet Commission on Global Surgery also recommends surgical task sharing through increasing the number of non-physician surgeons as a temporary solution [1]. Not only would this reduce the number of patients discharged without receiving a needed procedure, but it would also reduce the number of patients referred to tertiary facilities, which are heavily burdened by the number of surgical referrals. However, there is need to ensuring that the additional trained surgical staff are comfortable with handling the most common surgical needs. Although trauma was the major clinical diagnosis overall, the majority of the trauma cases were referred. Currently, orthopedic care in Rwanda is available at referral hospitals. A general surgeon, without additional training and equipment, would not be able to handle the majority of orthopedic cases, depending on complexity.
Several limitations should be considered in the interpretation of these results. As our study used routinely collected data from patients’ charts, we were not able to report for all variables on all patients. We performed data quality checks to reduce inaccuracies; however, missing data were often due to data not being recorded in the clinical charts. We believe that these data are missing at random, due to the heavy clinical load at the hospitals. However, we recommend revising the clinical charts and implementing routine audits to improve these data in the future. Finally, even though our study was limited to three rural district hospitals and that Butaro DH was relatively different from Rwinkwavu and Kirehe DHs due to the presence of a surgeon on staff and other visiting surgical specialists, the general infrastructure and human resources available at Rwinkwavu and Kirehe DHs are similar to other district hospitals in Rwanda. Therefore, we believe our results are informative of the needs of other rural district hospitals in Rwanda and beyond.
Conclusion
We found variation in the operative and non-operative surgical care that was provided at each district hospital potentially reflecting the variation in the surgical capacity of each district hospital in terms of human resources as well as equipment. As shown by our results, the percentage of patients receiving operative care was higher in Butaro than in Rwinkwavu and Kirehe. We attribute this to the presence of a general surgeon on staff and more surgical equipment. In the absence of trained surgeons particularly in low-resource settings, surgical task sharing is an alternative option [1, 11]. However, robust comparative analysis, assessing the relationship between the presence of surgeons and surgical equipment with surgical volume, interventions, and outcomes, is recommended.
Rwanda’s Ministry of Health is implementing a Human Resources for Health program to increase the number of specialist throughout the country, including surgical providers, in addition to improving rural district hospital’s infrastructure [12, 13]. While these initiatives should go far in improving surgical care in the rural districts over time, assessing local needs and providing training to meet those needs could address the site-specific issues immediately at hand. Countries responding to the Lancet Commission call to create national surgical plans can learn from the care provided and the existing gaps identified in this study to appropriately address their surgical needs.
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Acknowledgments
We acknowledge Partners In Health/Inshuti Mu Buzima and the IMB Innovation Grants for the support of this work. This study was developed under the Partners In Health/Inshuti Mu Buzima Intermediate Operational Research Training Program, developed and facilitated by Bethany Hedt-Gauthier and Neil Gupta. We are thankful to all three PIH/IMB-supported District Hospitals staff for their contribution. We also appreciate the Association of Academic Surgeons and the Harvard Kennedy Traveling Fellowship for their financial support of the data collection for this project.
Author contributions
EM and CH led the study design, data cleaning and analysis, results interpretation, and manuscript preparation. RR, BHG, JO, RM, and NG provided inputs in study design, data analysis, and results interpretation and critically reviewed the manuscript. BHG, RM, and JO supported data cleaning, and RR, BHG, and NG also provided mentorship. GT, TN, TM, and JN supported study design, results interpretation, and manuscript preparation.
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Ernest Muhirwa and Caste Habiyakare are joint first authors.
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Muhirwa, E., Habiyakare, C., Hedt-Gauthier, B.L. et al. Non-Obstetric Surgical Care at Three Rural District Hospitals in Rwanda: More Human Capacity and Surgical Equipment May Increase Operative Care. World J Surg 40, 2109–2116 (2016). https://doi.org/10.1007/s00268-016-3515-0
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DOI: https://doi.org/10.1007/s00268-016-3515-0