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Assessing the Knowledge and Practices of Diabetic Patients | DMSO

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Assessing the Knowledge and Practices of Diabetic Patients | DMSO

Introduction

Improving diabetic foot care is crucial in minimizing foot ulceration and its negative impact on diabetic patients. A common cause of hospitalization and amputation is foot infections among most individuals with diabetes. Globally, foot ulceration affects 15% of diabetic patients and could lead to severe complications and even death. The incidence of depression in patients with diabetic foot ulcers (DFUs) in a meta-analysis paper found that nearly half of patients with DFUs experienced depression, with the incidence ranging from 26% to 85%.1 In Sudan, diabetes mellitus is a prevalent medical issue, and diabetic septic foot infection is a severe complication with significant morbidity and mortality.2 Diabetes is a chronic health problem with preventable consequences. Globally, the number of people with Type 2 diabetes is expected to increase significantly by 2030. In the United States, there are millions of adults with Type 2 diabetes, affecting both men and women. However, in Sudan, the prevalence is more horrible since the DFU prevalence of 18.1%, with a significant association, resulting in a 3.16-fold increase in probability for those living with diabetes for more than ten years, even after adjusting for other risk factors.3

The incidence rate of foot ulcers and lower extremity amputations is high among diabetic patients, leading to significant morbidity and mortality. The economic and emotional impact on patients and their families is substantial.4

Diabetic septic foot (DSF) is a common problem that can lead to amputation. The management of foot ulceration should focus on infection control, treating peripheral ischemic arteries, addressing abnormal loading pressure, and managing limited joint mobility. Studies have shown that the development and prevalence of DSF range from 1% to 4% and 4% to 10%, respectively. Diabetic foot ulcers significantly affect the well-being and quality of life of individuals with diabetes.5

Causes of Diabetic Septic Foot

The causes of diabetes vary depending on the class of the type. Type 1 diabetes may have genetic factors and can be triggered by certain infections, such as the coxsackie B4 virus. Specific HLA genes influence individual susceptibility to these triggers. Lifestyle factors do not seem to be related to the incidence of type 1 diabetes.6

Signs and Symptoms of Diabetes

The classic symptoms of untreated diabetes are the loss of weight, polyuria, polydipsia, and polyphagia. The symptoms may develop rapidly (in weeks or months); however, Type 1 diabetes usually develops much more slowly and may be absent. Long-term high blood glucose can cause glucose absorption in the eye’s lens, leading to a change in shape and vision changes, so Blurred vision is a common symptom leading to a diabetes diagnosis. Several skin rashes that can occur in diabetes are collectively known as diabetes dermatoses.7 The term “type 1” has replaced several forms, such as adult-onset diabetes, obesity-related diabetes, and Non-Insulin Dependent Diabetes Mellitus (NIDDM). Beyond these two types, there is no agreement on the standard terminology.8

Type 1 Diabetes

Type 1 DM is characterized by a lack of insulin due to the pancreas’s lack of effective beta cells. It can be immune-mediated or idiopathic. About 10% of diabetes cases in North America and Europe are Type 1. The Type 1 diabetes could affect both children and adults, although it was traditionally called “juvenile diabetes”. Brittle diabetes refers to sudden and recurrent fluctuations in glucose levels in insulin-dependent individuals.9,10

Type 2 Diabetes

Type 2 diabetes is the dominant form and represents approximately 90% of cases of diabetes mellitus.11 The rise in prevalence is predicted to be much more significant in developing than developed countries (69 versus 20%). In developing countries, people aged 40 to 60 (working age) are affected most, compared with those older than 60 in developed countries.12 This increase in type 2 diabetes is inextricably linked to changes towards a Western lifestyle (high diet with reduced physical activity) and the rise in the prevalence of overweight and obesity in developing countries.13

Gestational Diabetes

The gestational diabetes mellitus (GDM) resembles Type 2 diabetes, involving inadequate insulin secretion and low response. It occurs in about 2% to 5% of pregnant women and may improve or disappear after birth. Gestational diabetes can be fully treatable but requires careful medical supervision throughout pregnancy. About 20% to 50% of affected pregnant women develop Type 2 diabetes later in life.14 Untreated women and their fetuses face risks such as increased birth weight, congenital anomalies in the cardiac and central nervous systems, and skeletal muscle malformations. Additionally, increased fetal insulin can lead to respiratory distress syndrome by inhibiting fetal surfactant production.

Support to Diabetic Patients

In countries with a general practitioner system like the United Kingdom, diabetes care can be provided outside of hospitals, with hospital-based specialist care reserved for complications, difficult blood sugar control, or research; the general practitioners and specialists often collaborate in a team approach to patient care. Home telehealth support can be an effective method for managing diabetes.15

Epidemiology of Diabetes

Globally, there were approximately 285 million people with diabetes in 2010, with Type 2 diabetes accounting for about 90% of cases. The incidence rate of diabetes is rapidly increasing and is expected to double by 2030. While diabetes occurs worldwide, it is more common in developed countries, particularly Type 2 diabetes. However, the most significant increase in prevalence is projected to occur in Asia and Africa due to urbanization and lifestyle changes, including a Western-style diet. The exact mechanism of this increase is not fully understood, but it is believed to be influenced by environmental factors, particularly diet.16

The pathophysiology of the diabetic foot involves various biochemical abnormalities that can accelerate neuropathy and vascular changes in the foot. These abnormalities include hyperglycemia, which inhibits the production and activation of cellular endothelial nitric oxide synthase, and the Maillard reaction, which is associated with diabetic complications and ageing. Diabetic foot ulcers (DFUs) are caused by neuropathy, ischemia, or a combination of both.17

Presentation and Management of the Diabetic Foot

Diabetic foot ulcers (DFU) result from various factors, with increased plantar pressure due to neuropathy being a primary risk. Diabetic neuropathy involves sensory, autonomic, and motor components, detectable through tests like the 10-g monofilament test. Autonomic neuropathy leads to dry skin, while motor neuropathy causes claw toe deformity and muscle atrophy. Diabetic sensorimotor polyneuropathy occurs in 40% to 50% of diabetes patients within a decade of diagnosis.17

Management of diabetic foot ulcers involves education on preventative measures and proper footwear, daily foot checks, and reporting any issues. Some studies recommended that routine C-reactive protein tests can be a valuable marker in preventing DFU prevalence since it was evident that there is a significant association between the test marker level and DFU incidence.18 Other management practices include controlling glucose, blood pressure, cholesterol, smoking, and weight, conducting risk assessments, implementing mechanical foot interventions, using antibiotics, and considering bypass surgery for peripheral arteries. Wound management focuses on keeping wounds dry and debriding dead tissue.19

Materials and Methods

Study Design and Area

A descriptive cross-sectional hospital-based study was conducted (July to August 2021). The study was conducted in the Aldaraga Clinic Centre at Wad Medani Town, the capital of the Al Gezira state in East-central Sudan. Wad Medani, the west bank of the Blue Nile, is nearly 85 miles (136km) South-east of Khartoum. It is linked to Khartoum by rail and is considered the centre of a cotton-growing region.

Study Population and Sample Size

Diabetic patients at Aldaraga Clinic Centre during the period of study. The sample comprises all available diabetic patients who attended the referring clinic during data collection (July to August 2021). Participants with diabetes aged 20 years and more were included; others were excluded.

Data Collection Tool and Analysis

The interview questionnaire was used to assess diabetic patients’ knowledge regarding diabetes and diabetic foot care in the diabetic clinic at Aldaraga Centre in Gezira State, Sudan. The study sampling technique was convenient sampling. We used the Statistical Package for Social Science version 16 (SPSS) software program to analyze the data for this study.

Ethical Consideration

The Faculty of Medicine, University of Gezira, Sudan, first approved this study. The official letters for data collection approval were accepted by the head manager and medical director of Aldaraga Clinic Centre at Wad Medani. Participants were provided with explanations about the study questionnaire, including the study’s title, purpose, participant selection criteria, study procedures, and potential benefits before inclusion. It was clear to participants that they had the right to choose not to fill out the questionnaire. This study complies with the Declaration of Helsinki, as this research did not involve clinical interventions; only verbal consent was obtained from all participants per local regulations in Sudan.

Variables to Study

Known DM/Cause/Signs and Symptoms/ Gangrene /Foot Care.

Results

Results showed that most respondents (62%) were females, 38% were males, 66% were above 40 years, 18% were 20–30, and 16% were aged between 31 and 40 (Table 1).

Table 1 The Demographic Distribution of Participants

It is clear from Table 1 that the highest percentage was for illiterate (26%), followed by postgraduate (22%), primary (20%), 18% graduate and 14% secondary schools, and the majority of respondents (84%) were married, 16% unmarried. Only 2% were widows. In addition, the majority (76%) have a moderate income, 16% with low incomes, and 8% with high incomes (Table 1).

Results showed that 45% of the duration of diabetes was for ages 1–5 years, 24% less than one year, 23% more than ten years, and 8% for 5–10 years (Table 2).

Table 2 Distribution of Respondents by Degree of Duration

As shown in (Table 3), 40% of respondents defined diabetes as an increase in blood sugar, 30% did not know, 22% said that diabetes is a malfunction of the pancreas and insulin secretion, 40% thought it was an increase in sugar in the blood, frequent of urination and a chronic diseases respectively, only 2% thought that its fatigue and dehydration only 22% of sample size know the complete and correct definition of diabetes mellitus.

Table 3 Respondent’s Knowledge About the Definition of Diabetes Mellitus and Sources of Information

In Table 3, more than half of respondents (54%) got information about diabetes from different media (Radio, TV), 30% from health education, and only 6% got information about diabetes from newspapers.

In Table 4, results showed that 64% of respondents thought that lifestyle is the leading cause of diabetes,52% believed that it is a hereditary disease,22% said that some viral infections may cause diabetes, and 18% said that misusing some drugs is the leading cause of diabetes mellitus. Also, most respondents have a good knowledge of most signs and symptoms of diabetes. The highest percentage (88%) came for Extreme thirst, 70% for frequent urination, 60% for Extreme hunger, and 48% for weight loss.

Table 4 Causes, Signs, and Symptoms of Diabetes

The results of Table 5 showed that the majority of respondents, 74%, were using oral pills for treatment. Twenty percent insulin injection, and only 6% of respondents used herbal medicine. Results also showed that the knowledge of respondents about the complications of diabetes was knowledge of retinal diseases 70%, cardiovascular 46%, 42% for MI, renal diseases 38%, and 28% of them knew that diabetes might cause nervous system diseases, and only 10% knew the Gangrene.

Table 5 Diabetes Treatments and Complications

As shown in Table 6, the highest percentage for business and rapid heart, sweating 30% followed by fatigue and shivering 28%, while 26% of respondents did not know any signs and symptoms of hypoglycemia, but 12% said that hunger is the main sign of hypoglycemia. The overall knowledge of respondents about signs and symptoms of hypoglycemia was poor.

Table 6 Signs and Symptoms of Hypoglycemia

As shown in Table 6, 54% of respondents knew dizziness as a symptom of hyperglycemia, 32% said Rapid heartbeat, 26% did not know any of these symptoms, 20% said it was numb, 16% thirsty, and 14% hungry. Also, the respondent’s knowledge of hyperglycemia signs and symptoms was poor.

The majority of respondents in Table 7 state that they do not know what diabetes is; 32% of them defined it as a healing wound due to diabetes, and 10% know that it is limb swelling due to poor circulation (correct definition), in addition, half of respondents (50%) do not know the causes of diabetes Gangrene, 38% said it is due to poor circulation, 30% said it is due to limb numbness.

Table 7 Definition and Causes of Diabetes Gangrene

As shown in Table 8, percentages of the respondents did not know any diabetes gangrene signs and symptoms; 26% knew of swelling and redness, 20% knew the mentioned symptoms, and 12% knew of smelly puss as signs of gangrene.

Table 8 Signs, Symptoms, and Prevention Methods Knowledge of Diabetes of Gangrene

As shown in Table 8, the knowledge of respondents about prevention methods was poor, where 32% knew all forms of prevention, 22% knew about patient education, 14% about care, comfortable shoes, and taking treatment in the correct methods, and 18% did not know any of the mentioned prevention methods. Despite the importance of patients’ knowledge and practice toward DFU management, medical practitioners’ laboratory tests, such as C-reactive protein markers, could help patients increase awareness of DFU prevention and treatment.18

Most of the respondents (88%) in Table 9 had regular follow-ups, and 84% had good knowledge about the importance of taking diabetes treatment to avoid complications.

Table 9 Knowledge About the Importance of Regular Follow-Up and Diabetes Treatment to Avoid Complications

Table 10 shows that diabetic patients’ foot care knowledge is poor. At the same time, the practice is inferior, especially when concerning using warm water for foot washing (10% knowledge and training), drying feet after washing talcum powder to keep feet dry (22%, 16%), checking the shoes from inside before wearing (32%, 14). This result is similar to a study in which 29.3% of respondents had good knowledge. Forty percent had satisfactory knowledge, and 30% had poor knowledge about foot care. Whereas only 14% of respondents had good practice for foot care, 54% had sufficient practice, and 32% had poor practice.

Table 10 Assessment of Diabetes Patient’s Knowledge and Practice Regarding Foot Care

Discussions

Concerning demographic data, it observed that most respondents were females 62%, above forty 66%, married, with a low educational level and with a moderate income 76%.

The general knowledge of diabetic respondents having diabetes mellitus, the study revealed that most respondents did not attend any educational program about diabetes, so it was clear from the results that the majority had either no knowledge or poor knowledge about diabetes mellitus. Diabetes is a type of metabolic disease in which the patient has high blood sugar concentration, either due to the pancreas failing to produce enough insulin or because cells do not respond to the secreted insulin. This high blood sugar has the primary symptoms of polyuria (Frequent urination), polydipsia (increased thirst), and polyphagia (increased hunger). The knowledge about causes was good.6 Type 1 diabetes is partly inherited and triggered by specific infections. Type 2 diabetes is due primarily to lifestyle-intervened factors and genetics. Also, most respondents have a good knowledge of most signs and symptoms of diabetes. The highest percentage, 88%, came for extreme thirst, 70% for frequent urination, 60% for excessive hunger, and 48% for weight loss. This result is similar to the study conducted by Cooke, D.W. (2008), who stated that the typical symptoms of untreated diabetes are the loss of weight, polyuria, polydipsia, and polyphagia.7

Concerning the knowledge of respondents about complications of diabetes, it was observed that it is generally poor, except for the understanding of retinal diseases 70%; this partially differs from a previously conducted study, in which nearly 50% knew the complications of diabetes.20

The highest percentage regarding symptom knowledge of hyperglycemia was for dizziness and rapid heartbeats, sweating, 30%, followed by fatigue and shivering, 28%. Some respondents (26%) did not know any signs and symptoms of hypoglycemia, while 12% said that hunger is the main sign of hypoglycemia.

Respondents’ knowledge of signs and symptoms of hyperglycemia was poor, and only 25% knew about this issue.

The study revealed that the respondent’s knowledge about hyper and hypoglycemia signs and symptoms was poor. The study showed that most respondents do not know what diabetes gangrene is; 32% of them defined it as slow-healing wounds due to diabetes, and only 10% knew the correct definition, which is limb swelling due to poor circulation. Most respondents had poor knowledge about the definition of diabetes Gangrene, which occurs when tissue dies (necrosis) because its blood supply is interrupted. Lack of understanding of diabetes mellitus (DM) and diabetic foot care (DFC) could have severe consequences for individuals living with diabetes.21 This lack of knowledge may lead to inadequate self-care practices, failure to recognize warning signs or symptoms, and neglect of proper management techniques.22 As a result, diabetic patients may experience worsened health outcomes, increased risk of complications such as foot ulcers or amputation, and overall diminished quality of life.23–25 Therefore, emphasizing education and raising awareness about diabetes and proper foot care is crucial to prevent potentially devastating consequences for diabetic patients. The importance and novelty of this study came from addressing of diabetic patients’ education and campaigns to increase awareness towards DFU consequences and prevention to decrease prevalence of hospitalization and foot amputation in Gezira State, Sudan.

Conclusion

Diabetic patients often face hospitalizations and amputations due to foot infections, highlighting the critical importance of proper foot care. However, this study reveals an inadequacy in diabetic patients’ knowledge and practices regarding foot care. Urgent action is required, including patient-friendly educational interventions and consistent guidance from physicians, to mitigate the risk of diabetic foot ulcers and amputations. To address this issue comprehensively, implementing awareness programs, establishing dedicated diabetes centres, and utilizing various media platforms for health education are recommended to enhance the current situation.

Acknowledgments

We are grateful to all participants. We appreciate the Faculty of Medicine’s great opinions and comprehensive discussion during manuscript preparation.

Disclosure

The authors report no conflicts of interest concerning this work.

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