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mother and child welfare centre, healthcare waste, district hospital, medical waste, bangladesh

Hasnat Sujon , Taposh Kumar Biswas, Aklima Chowdhury, Mahbub Elahi Chowdhury

Cite this article as: Sujon H, Biswas T, Chowdhury A, et al. (May 08, 2022) Medical Waste Management: An Assessment of District-Level Public Health Facilities in Bangladesh. Cureus 14(5): e24830. doi:10.7759/cureus.24830

Due to the huge patient load and different types of services, public health facilities produce a bulk of medical waste (MW) in Bangladesh. Improper disposal of MW increases the risk of infection among healthcare service personnel, patients, and attendants. To ensure quality services, this study aimed to assess the practices of MW management and quantify those to find out the shortcomings in the specific steps of waste management.

As part of a larger interventional study, a facility assessment was conducted from February to April 2016 at a District Hospital (DH) and a Mother and Child Welfare Centre (MCWC) in one district. Non-participatory observation of MW management was done using a checklist that was developed following the Guideline for Medical Waste Management of Bangladesh. Scoring was applied for various activities of MW management performed in the study facilities.

The overall scores for bin management, segregation, and collection of waste were 64.5%, 58.1%, and 62.0% in DH and 53.1%, 41.5%, and 48.0% in MCWC, respectively. The performance of operation theater in MCWC was the lowest among different corners (16.7% to 36.0%). Reusable waste was segregated poorly (32% in DH and 0% in MCWC), and almost none was shredded (4% in DH and 0% in MCWC). Waste was transported from in-house to out-house temporary storage area in an open bin without any trolley or specific route. The storage area was accessible to unauthorized persons, for example, a waste picker in DH. While DH segregated 84% of its infectious waste at the source, it eventually got mixed up with other waste in the storage area and delivered to the municipality to be dumped. MCWC could segregate only 40% of its infectious waste at the source and disposed of them using the pit method. Both the facilities disposed of sharp MW by open-air burning and liquid waste through sewerage without any treatment.

The performance of MW management was poor in both study facilities. Advocacy to the healthcare personnel and refresher training along with supportive supervision and monitoring may improve the situation. Moreover, a larger study is needed to find out the reasons behind such poor MW management.

Medical waste (MW) management is a growing concern worldwide, particularly in developing countries like Bangladesh [1]. As different health concerns compete for limited resources in developing countries, MW management remains a less prioritized business of healthcare facilities. Population growth, rapid urbanization, expansion of private healthcare facilities, and increasing use of disposable medical equipment are other factors contributing to this burden [2]. The total waste stream produced by healthcare delivery can be categorized as non-hazardous and hazardous waste. Although 75-90% of MW are non-hazardous, the remaining 10-25% contain pathogenic microorganisms and toxic chemicals, which require special treatment to mitigate the environmental and health risks [3]. Although the amount of MW that needs to be processed in any country is minute compared to the entire quantity of waste produced, if it remains untreated, the consequences are far too great. If this hazardous waste is dumped with other waste without proper treatment, the entire waste stream becomes a potential source of infection [4]. People in close proximity to this hazardous waste by generating, handling, or being exposed to it are vulnerable to serious diseases such as human immunodeficiency virus (HIV), hepatitis B, hepatitis C, etc. [3,5]. Globally, one out of three and in Bangladesh nine out of ten hospitals lack basic MW management services [6].

MW management is a systemic approach from the point of generation to its final disposal through effective segregation, handling, and treatment [7]. An effective MW management system is an integral part of infection prevention measures of a facility and is crucially associated with the quality of care and safety of both providers and patients along with the community [8]. The irony of the healthcare delivery system in developing countries like Bangladesh is that, while the healthcare facilities are entrusted to heal the sick and maintain wellness if proper interventions are not taken, the system itself can produce health hazards, thereby becoming a source of disease risk. Proper management of MW can minimize the risk of further burdens, both within and outside healthcare facilities, by limiting a definitive source of preventable infection [7]. If the healthcare delivery system is unable to address the urgent issue of MW management, channels of diseases and epidemic outbreaks would widen [9], thereby the healthcare situation would be “curing at the front door and poisoning at the back door” [10]. The importance of MW management is well-grounded and regarded as an integral part of the healthcare delivery process [11].

At the district level in Bangladesh, there is a District Hospital (DH) and a Mother and Child Welfare Centre (MCWC) under the Ministry of Health and Family Welfare. While all types of secondary healthcare services are provided by the DHs, the MCWCs provide only maternal and child health services along with family planning services. Thus, the structure, service availability, and human resources are quite distinct in these two types of facilities. However, both the facilities manage referred patients from sub-district and lower levels [12]. A Guideline for Medical Waste Management [11] has been developed by the Ministry of Health and Family Welfare for the healthcare facilities of Bangladesh; however, successful execution has remained a major concern.

Several studies have been conducted in Bangladesh to understand the MW management system. These studies focused on the quantification and final disposal method of MW and the knowledge of the staff on and barriers to efficient MW management [13-20]. To find an answer to the existing gap in MW management in Bangladesh, it is imperative to evaluate every step of MW treatment properly from its source to disposal. To the best of our knowledge in Bangladesh, until recently, no study thoroughly examined all steps of in- and out-house MW management practices and quantified the performance of healthcare facilities according to the standard guideline. The current study assessed the MW management practices in two district-level public healthcare facilities according to the Guideline for Medical Waste Management in Bangladesh. It also documented the existing gaps and shortcomings in the implementation of the MW management guideline. This article was previously posted to the Research Square preprint server on July 27, 2020 [21].

We conducted a cross-sectional facility assessment from February to April 2016 as part of a larger interventional study.

The study was conducted in a 100-bed DH and a 20-bed MCWC located at a district headquarter in Bangladesh. Both study hospitals were secondary-level facilities. In both facilities, cleaners/ayas were assigned to perform waste management. We assessed waste management in the emergency room, labor and gynecology ward, operation theater (OT), pediatrics ward, pathology unit, and outdoor (antenatal and postnatal care room) of the study facilities separately. In the MCWC, separate emergency rooms, pediatrics wards, and pathology units were not available.

To assess the waste management system, we developed a contextualized checklist (Appendices) based on the nature of MW likely to be generated in the study facilities following the Guideline for Medical Waste Management [11] of the Government of Bangladesh. Details of the implementation process of the waste management activities in different corners were collected through non-participatory direct observation using the checklist which included in-house and out-house facility waste management sections. Basic components of the in-house facility waste management section included bin management, segregation of waste, and waste collection from different wards/rooms. The basic components of out-house facility waste management were temporary waste storage area and final disposal of the waste. The temporary waste storage area was further divided into the transportation of waste to the storage area, management of the temporary waste storage area, and waste collection process by the municipality/authority.

A team consisting of two medical doctors, two trained interviewers, and one qualitative researcher was assigned to collect data from the designated hospitals. All members were trained thoroughly on the quality and ethical issues regarding data collection.

Individual scoring was done for different components of MW management and then an average score was calculated. For scoring bin management and waste collection from the wards/rooms, a full score was provided if the management of a particular room was maintained according to the guideline but failure to do so resulted in a deduction of the score. For example, if three bins among the recommended five were labeled, the maximum score was 5 and the score obtained was 3. For segregation of waste, a score was provided on a scale of 0 to 5 as only five types of waste were produced in both facilities. A score of 5 was given if the bins did not contain a mixture of waste. For partial segregation, provided score was lowered leading to 0 for all five types of waste being disposed of in the same-colored bin.

For components of out-house facility waste management, we observed the availability of equipment, logistics, and supplies along with practices.

The data were analyzed using SPSS version 21 (IBM Corp., Armonk, NY, USA). All entered data were then checked for inconsistency by applying logical conditions. If there was any inconsistency, necessary corrective measures were taken after comparing the entered data with those in the checklist. Percentage scoring was done separately for each component in every ward/room and an overall score was calculated for each component of waste management. For interpretation, we categorized >80% scores as high, 50-80% scores as moderate, and <50% scores as low. We accepted this arbitrary scoring based on a conventional grading system.

Overall scores in bin management were 64.5% in DH and 53.1% in MCWC. The highest score in bin management was obtained by the labor and gynecology ward (76.2%) in DH and outdoor (76.6%) in MCWC. Although the OT in MCWC obtained a score of 24.6%, other service areas of both DH and MCWC obtained moderate scores (53.1-76.6%) in bin management. In segregation of waste, the DH and MCWC obtained 58.1% and 41.5% scores, respectively. Although the outdoor MCWC obtained a score of 100%, the overall score was poor due to a very low score in the OT (16.7%). In the DH, the segregation of waste was better in OT and outdoor (both scored 80%) compared to the other service areas as each obtained a poor score (46.7% each). Scores in the collection of waste varied from 56% to 68% in DH and 36% to 56% in MCWC (Figure 1). A standard waste management guideline was available in both facilities.

DH = District Hospital; MCWC = Mother and Child Welfare Centre; OT = pperation theater; ANC = antenatal care; PNC = postnatal care

Component-wise analysis revealed a wide variation among the scores of bin management in both facilities. In DH, though all bins were intact (neither broken nor leaked) and accessible to the patients, none were labeled and only 44% were closed with a lid. The scores in MCWC were more or less similar to the DH. The score on waste management-related “poster above the bin” was only 10% in DH and 0% in MCWC (Table 1).

DH = District Hospital; MCWC = Mother and Child Welfare Centre

Segregation of waste was the most neglected component in both facilities. Among six components of segregation of waste, though the DH obtained more than 80% scores in general, sharp and infectious waste segregation, for the other three components, viz. segregation of reusable waste, and liquid waste and shredding of reusable waste, the scores were quite low ranging from 4% to 48%. The MCWC failed to obtain any score in segregation or shredding of reusable waste but scored 80% in segregation of liquid waste (Table 1).

Analysis of different components of waste collection from ward/room showed proper emptying of bins, cleaning after waste collection, and proper handwashing practice yielded moderate-to-high scores in both DH (100%, 90.0%, and 86.6%, respectively) and MCWC (73.3%, 66.6%, and 80.0%, respectively). Scores for personal protective equipment (PPE) wearing were very low in both facilities, and zero scores were noted in the availability of extra bins to be replaced with the existing bins (Table 1).

There was no trolley or handcart for carrying waste bins in any study facility for transportation of waste from in-house to the temporary storage area and the route of transportation was not separated. Among five bins, three in DH and one in MCWC were covered with a lid during transportation. Regarding management of the temporary waste storage area, among the advocated 11 components, DH could meet only four in contrast to eight components in MCWC. Although the location of the temporary storage area was far from the proximity of food preparation and had proper light with passive ventilation in both facilities, cleaning and firefighting equipment was unavailable in both facilities. The dedicated temporary waste storage area in DH had no good drainage system or water supply. Unauthorized persons, for example, scavengers and waste pickers, could easily get access to it. In contrast, though the temporary waste storage area of MCWC had a drainage system and water supply, they sometimes stored waste for more than 24 hours. However, unlike DH, unauthorized persons could not get access to it. Among the eight components of the waste collection process by municipality/authority, DH and MCWC followed two and three components, respectively. Although the DH showed better segregation in in-house waste management, all of these segregated waste got mixed in the temporary storage area and the municipality/authority collected them without any color code, whereas MCWC supplied the segregated waste (though all of the segregation was not done properly) to municipality/authority as per the color code. In none of the facilities, cleaners used any protective materials (e.g., hand gloves, shoes, long sleeve shirts). Though drivers’ areas were separated from the waste carrying area, none of the vans were covered or under lock or properly cleaned every day after carrying waste (Table 2).

aThree of five bins were covered with a lid; bone of five bins was covered with a lid.

DH = District Hospital; MCWC = Mother and Child Welfare Centre

The Guideline for Medical Waste Management of Bangladesh prescribed different disposal methods for different segregated waste. In both DH and MCWC, the final disposal of MW was more or less similar. An incinerator was not available in any of the facilities. Both facilities followed open-air burning for sharp wastes. MCWC disposed of infectious wastes by pit method but as they got mixed with other waste in DH, they were dumped as general waste. Both facilities used public dustbins of the municipality to dispose of general waste and sewerage systems to dispose of liquid waste without any treatment. There was no system for recycling reusable waste (Table 3).

DH = District Hospital; MCWC = Mother and Child Welfare Centre

The practices of MW management in both the study facilities were clearly insufficient and poor. While every recommended procedure of MW management needs to be followed step by step, on average, both facilities performed only about half of the recommended activities. The inadequacy in performing MW treatment was quite distinct between the facilities. While MCWC grossly lacked in-house facility waste management, DH performed relatively poorly in out-house facility waste management. The absence of labeling, written color codes, and instructions may have augmented the improper use of colored bins. Inadequate segregation of waste at the source and absence of shredding of reusable items, along with defective waste transportation and management of temporary waste storage areas, made the whole waste management system injurious to human and environmental health. The absence of PPE led to a higher risk to the personnel involved in the MW management system.

The initial stage of waste management is bin management which was moderate in both facilities. Six color-coded bins are recommended for healthcare facilities in Bangladesh: black for general waste, red for sharp objects, yellow for infectious waste, green for reusable waste, blue for liquid waste, and silver for radioactive waste [11]. As no radioactive waste was generated in any of the study facilities, a silver bin was not there. In developing countries like Bangladesh, usually marginalized, uneducated, and economically vulnerable personnel are engaged in waste management [2]. The absence of labeling and inadequate instruction (flip chart/poster) coupled with the absence of training may contribute to the mismanagement of the bins by the cleaners which has been reported by other studies [15,16,22]. In addition, people attending the public healthcare facilities of Bangladesh are largely illiterate. Even educated patients and their attendants may not know the significance of color code without instruction. Accessible bins without written color codes and instructions may also encourage people to indiscriminately dispose of waste which can make the segregation of waste at the source a challenging task [23]. While transporting the bins to the temporary waste storage area to be emptied, the vacant positions are supposed to be replaced by extra bins which both facilities lacked. As a result, people had to dispose of waste openly or in left-out bins without any regard to color code.

An MW management system with inadequate segregation of infectious waste can be translated as a defective system on the whole. Waste segregation at the source through proper use of bins is essential to avoid mixing infectious waste with other non-hazardous waste, which acts as a strong barrier against making the entire waste stream hazardous [3]. We observed poor infectious waste segregation, particularly in MCWCs. As the entire infectious waste could not be segregated, other non-hazardous waste was mixed with the unsegregated infectious waste. Segregation and shredding of reusable waste was another neglected issue in both facilities. An effective waste management system is supposed to follow the 3R of Reduce, Recycle, and Reuse [2]. Whereas recycling and reusing some waste like paper and hardboard are economically beneficial, shredding of certain reusable waste, for example, saline set and syringes provides protection against the collection and reselling of equipment.

As OTs produce one-third of all MW generated in a facility [24], the shortcomings in all components of in-house facility waste management are of particular importance. Being the center of life-saving surgeries, ineffective bin management, waste segregation, and collection in OTs may cause intraoperative and postoperative infection in patients.

A separate route is recommended to be used at a specific time of the day to carry covered waste to the temporary waste storage area in a designated trolley or handcart to minimize the risk of exposure to hospital staff, patients, and visitors, none of which was maintained in both facilities. Waste transportation in open bins may result in spillage. It is recommended that cleaners should use masks, service gloves, long sleeve shirts, plastic aprons, and boot shoes while conducting their service. The cleaners, however, handled and disposed of the waste without any PPE which exposed them to a high risk of infections [25]. Unrestricted access of unauthorized persons, for example, waste pickers and scavengers is another major issue. As facilities do not shred reusable items, for example, syringes and saline bags, waste pickers can collect them from the temporary waste storage area. They handle these items with bare hands and sell them in the local market [17]. If improperly treated and reused, this equipment may cause life-threatening diseases including hepatitis B, hepatitis C, and HIV/AIDS. Persons receive 2.88 injections per year in developing and transitional countries like Bangladesh, of which 5.5% are administered with a reused syringe [26]. Several years ago, a black market for these infected items was discovered in Gujarat in India which eventually claimed more than 50 lives [27].

We observed the global concern of “waste is sometimes treated without being segregated, and segregated waste is often not treated” [6] in both facilities, although the problem was quite distinct between the facilities. The DH segregated most of its waste at the point of generation, but the cleaners delivered all the waste mixed together to the municipality with no regard to color code except the sharps. This signifies a lack of knowledge, rather than a lack of will, among the cleaners. MCWC, however, could segregate only a limited amount of its waste at the source and delivered it to the municipality as per the color code. While their effort should be commended, as only less than half of the infectious waste was segregated at the source, other waste was also mixed with infectious waste. The municipality/authority that collected these wastes for their disposal also did not follow most of the guidelines. As a result, the whole lot of waste became potentially infectious.

While both the facilities had procedures in place to dispose of sharp and general waste, they paid little attention to the proper disposal of infectious or recyclable waste. Both facilities usually used the municipality dustbin to dump the general waste. Infectious waste was dumped in the municipality dustbin along with the general waste due to the absence of procedures to dispose of infectious waste, low waste segregation at the source, and eventual mixing of wastes in the temporary waste storage area. This type of erratic handling and indiscriminate disposal of MW increase the risk of human contact with hazardous waste and expose the entire community to a risk of environmental tragedy. While incinerator remains a viable option for waste disposal (although criticized for its harmful effects on the environment) in developing countries including Bangladesh, none of these facilities were equipped with the facility. The dumping of infectious and liquid waste without any treatment has long been discussed for their detrimental effects on the environment [2,5,13,22].

The need for proper waste management to protect providers’ and clients’ health and prevent environmental tragedies is overwhelming. Numerous studies conducted in Asia and Africa have looked into the issue of the underlying causes of improper waste management [2,9,15]. The economic condition of a country despite policy has been directly linked with the level of management of MW [1]. Lack of training is another major barrier for effective waste management. Incorporating all staff of a facility including doctors, nurses, paramedics, and cleaners was suggested for a whole-of-the-facility approach to waste management. Facilities should emphasize waste reduction as this equals to less workload [2]. Lack of human resources in the healthcare facilities along with managerial weakness, suboptimal supervision, and confusion over duty and responsibility allocation are other causative factors for inefficient management [23]. While the need for managerial strength and training should be in the central column to implement proper MW management, noncompliance, and neglect of some facilities regarding this issue have also been reported [28]. Initiatives should be taken immediately to improve the motivation for the staff, monitoring, and supervision system to implement waste management guidelines at every stage. Although MW management is not completely risk free, some low-cost investments can bring good results, for example, awareness building among people attending hospital, supply of PPE and equipment, use of instructional posters, etc. [1]. All cleaners should be screened and vaccinated. The final waste disposal method should be developed considering the safety, cost, and local technology [4,13].

The study was conducted only in two secondary-level public healthcare facilities in Bangladesh, and the background reasons for improper management were not explored. As all healthcare facilities of a single tier do not follow a standard waste management system in Bangladesh despite the presence of a national guideline, it is difficult to generalize the scenario even in a single tier. Furthermore, this study was conducted several years ago; therefore, the current scenario may not be exactly the same. Nontheless, this study tried to identify the areas to improve in everyday practice and provide a snapshot of the waste management scenario in a developing country. Further qualitative studies are needed for exploring the reasons behind the current situation and to find out interventions to address the gaps.

MW involves a potential source of injury, infection, and environmental damage. Although the consequences of improper management of MW are highly negative, only a small percentage of MW needs special consideration. The study findings do not support the proper following of the Guideline for Medical Waste Management in public facilities in Bangladesh. Most of the gaps identified can be addressed by proper training and motivation of the hospital staff, purchase of some inexpensive equipment, and awareness. Making administrative and institutional mechanisms in place with effective monitoring and supervision may alter the situation to safeguard environmental and human health. In addition, necessary budget allocation for continuous advocacy and periodic refresher training of the relevant staff should be ensured by the authority for better MW management in health facilities.

Directorate General of Health Services, Ministry of Health and Family Welfare, Dhaka, BGD

Health System and Population Studies Division, International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka, BGD

Health System and Population Studies Division, International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka, BGD

Health System and Population Studies Division, International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka, BGD

Health System and Population Studies Division, International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka, BGD

Human subjects: Consent was obtained or waived by all participants in this study. Ethics Review Committee of International Centre for Diarrhoeal Disease Research, Bangladesh issued approval PR15110. Ethical approval to conduct the study was obtained from the Ethics Review Committee of the International Centre for Diarrhoeal Disease Research, Bangladesh. Informed written consents were obtained from both service providers and clients of the respective MNH services before starting observation. Consent for publishing non-identifiable service providers’ data was obtained from the head of the health facilities. Animal subjects: All authors have confirmed that this study did not involve animal subjects or tissue. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: This study was fully funded by the United States Agency for International Development (USAID) under the TRAction project to the International Centre for Diarrhoeal Disease Research, Bangladesh through University Research Co., LLC (URC), Sub agreement No. FY11-G04-699 under Cooperative Agreement No. GHS-A-00- 09-00015-00. International Centre for Diarrhoeal Disease Research, Bangladesh also acknowledges the contribution of the current donors providing unrestricted support to the International Centre for Diarrhoeal Disease Research, Bangladesh including the Government of the People’s Republic of Bangladesh; Global Affairs Canada (GAC); Swedish International Development Cooperation Agency (Sida), and the Department for International Development (UK Aid). We are grateful to the Ministry of Health and Family Welfare of the government of Bangladesh for allowing us to conduct the study in their health facilities. We also acknowledge the support of the “MaMoni” project of Save the Children for their cooperation during the implementation of the study. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work.

This study was fully funded by the United States Agency for International Development (USAID) under the TRAction project to the International Centre for Diarrhoeal Disease Research, Bangladesh through University Research Co., LLC (URC), Sub agreement No. FY11-G04-699 under Cooperative Agreement No. GHS-A-00- 09-00015-00. The International Centre for Diarrhoeal Disease Research, Bangladesh also acknowledges the contribution of the current donors providing unrestricted support to the International Centre for Diarrhoeal Disease Research, Bangladesh including the Government of the People’s Republic of Bangladesh; Global Affairs Canada (GAC); Swedish International Development Cooperation Agency (Sida), and the Department for International Development (UK Aid). We are grateful to the Ministry of Health and Family Welfare of the Government of Bangladesh for allowing us to conduct the study in their health facilities. We also acknowledge the support of the “MaMoni” project of Save the Children for their cooperation during the implementation of the study. The detailed dataset is available with MEC, the Principal Investigator of the main study. A copy of the original data is also stored in the data archive of the International Centre for Diarrhoeal Disease Research, Bangladesh. These data are not publicly available. However, non-identifiable data can be accessible upon request subject to the approval of the Research Administration Department of the International Centre for Diarrhoeal Disease Research, Bangladesh.

Sujon H, Biswas T, Chowdhury A, et al. (May 08, 2022) Medical Waste Management: An Assessment of District-Level Public Health Facilities in Bangladesh. Cureus 14(5): e24830. doi:10.7759/cureus.24830

Peer review began: April 25, 2022 Peer review concluded: May 06, 2022 Published: May 08, 2022

© Copyright 2022 Sujon et al. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

DH = District Hospital; MCWC = Mother and Child Welfare Centre; OT = pperation theater; ANC = antenatal care; PNC = postnatal care

DH = District Hospital; MCWC = Mother and Child Welfare Centre

aThree of five bins were covered with a lid; bone of five bins was covered with a lid.

DH = District Hospital; MCWC = Mother and Child Welfare Centre

DH = District Hospital; MCWC = Mother and Child Welfare Centre

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