Determination of Blood Lipid Concentrations among Type II Diabetic Patients in Aldwadmi Province, KSA
Diabetes mellitus (DM) defined as a metabolic disorder of multiple etiology, characterized by chronic hyperglycemia with disturbances of carbohydrate, fat and protein metabolism resulting from defects in insulin secretion, insulin action, or both. WHO estimated that the number of people with DM worldwide in year 2000 was 177 million, this will increase to at least 336 million by the year 2030, this increase will be in the developing countries (approximately 75% of all persons). In this study we attempt to investigate the effect of DM on serum lipid profile among Saudis subjects with type 2 DM in Aldwadmi Province. Forty five Saudis diabetic patients were randomly selected from two hospitals (ALbejadia Hoapital, ALgimsh hospital) they were coming from different parts of Western of Alrhid. Their ages were between 18- 60 years, with a mean weight of (70.20  11.203)Kg. Thirty apparently healthy non diabetic people were chosen to serve as controls. Their ages were between (20-60) years and with a mean weight of (71.02  13.429) Kg. All patients underwent a clinical and laboratory evaluation and answered standardized questionnaire. Glucose level, total cholesterol, TC, triglyceride, TG, low-density lipoprotein, LDL, and the high–density lipoprotein cholesterol, HDL were measured for all subjects. The mean of fasting blood glucose (FBG) level of diabetic patients was significantly (p=0.001) higher than that of the non diabetic subjects and the same result was shown with random blood glucose (RBG). Significant difference was observed in lipid profile (TC (p = 0.03), TG (p=0.001) of patients compared to control subjects but the difference for HDL is not significant (p= 0.74). The blood lipid concentrations and the blood glucose level are significantly higher among patients compared to the control subjects.
Introduction
Diabetes mellitus (DM) is a disease mainly characterized by hyperglycemia, lipoprotein disorder and impairing of the oxidative metabolic pathways [1, 2]. Diabetes, mostly the form of type 2, has become both an economic and health problem globally [2]. The prevalence of diabetes among adult population worldwide is 285 million, and expected to increase to 439 million by 2030 [3]. Long term hyperglycemia is linked with the prolonged side effects of the disease which include serious destroy and the reduction of the efficiency of the cardiovascular system, eyes, kidney and nerves [2]. The main features of the disease are polyuria, polydipsia and weight loss even with the presence of the polyphagia, hyperglycemia, glycosuria, ketosis, acidosis and coma. Moreover, there are some symptoms usually connected with the disease, e.g. a false feeling of tiredness or sickness, irritation, more urination than usual, drinking more water and eating more food than normal meals, rising in the body temperature, headache, and itching and dryness of the skin [4]. Diabetes is characterized by chronic hyperglycemia and disturbances of carbohydrate, lipid and protein metabolism [5].
Diabetic patients may have some diseases related to the complication of the disease that include lipid metabolism disorder and cardiovascular disease (CVD) which may lead to serious morbidity and consequently to mortality [6]. These complications can be dramatically reduced by good diet regime and by adjusting the lipid concentrations in the blood circulation, medically or nutritionally, consequently these modifications may avoid the risk of (CDV) related diseases [7].
The triglceride-to-HDL cholesterol (TG/HDL) ratio has been investigated recently for various potential clinical uses in adult and paediatric populations, some studies showed positive associations with adverse cardio- metabolic risk factor profiles, metabolic syndrome and prediction of incident diabetes or its complications [8, 9]. High concentration of serumTG and low level of HDL cholesterol are the main features of the uncontrolled diabetes melitu [10, 11]. This clearly shows the association of diabetes mellitus with the dyslipidemia which is usually appears parallelly with alteration in the blood glucose [12]. The acceleration of atherosis in diabetes mellitus may be due to high concentration of different types of lipids and extremely high synthesis of total cholesterol during hyperglycemia [13]. Lipid level, which is highly affected in diabetes mellitus, is one of the main causes in the occurrence of cardiovascular diseases [14, 15, 16]. Also, the alteration of the LDL oxidation is a crucial stage in the development of atherosclerosis [17].
Diabetes mellitus in Saudi Arabia
DM is spreading rapidly in Saudi Arabia because of the considerable change in the lifestyle of people in this country, because of the fast growth and development of the economy. High prevalence of the disease has been reported in the early studies conducted earlier in 1980s and more recent studies showed an even higher prevalence of DM in the Saudis [18, 19]. The prevalence of type1 DM, type2 DM and impaired glucose tolerance in the total Saudi male population was 0.23%, 5.63% and 0.50%, respectively, and in the total Saudi female population was 0.30%, 4.53% and 0.72% respectively. Differences were observed in the prevalence of diabetes mellitus and impaired glucose tolerance between the provinces. T2DM increased to 28.82% and 24.92% in males and females, respectively over the age of 60 years, while impaired glucose tolerance increased to 1.60% and 3.56%.
High prevalence of diabetes mellitus worldwide is associated with lifestyle and aging population [20]. Many factors are etiology determined, namely, body composition, obesity habitual physical activity (PA) levels, diet and smoking, and all are studied for their effects on insulin resistance and T2DM. These etiological factors are considered to play a very clear role in the determination of type2 DM prevalence, especially during the last few decades [21]. More than 70%of type2 diabetes cases appear to be associated with obesity and smoking [22]. Regular sport exercise and reduction of 5% of the body weight can decrease the rate of T2DM by 58% [23, 24]. Change in lifestyle and physical activities are the main factors in the prevention and control of the disease [25].
Materials and Methods
This study was conducted during March 2014 in Aldwadmi province, the largest city of the Alrig had it had an estimated total population of approximately million Hanaa MAA. Determination of Blood Lipid Concentrations among Type II Diabetic Patients in Aldwadmi Province, KSA. Med J Clin Trials Case Stud 2018, 2(4): 000172.
people, according to national population census in 2014, venous blood samples were obtained from people aged 18 years to 80 years. Blood samples were transferred to the central laboratory at Aljazeera private hospital for separation and to be analyzed by colorimetric method.
Forty five diabetic patients were randomly selected from two hospitals (ALbejadia Hospital, ALgimsh hospital) they were coming from different parts of Western villages of Alrhid. Their ages between 18- 60 years, a mean weight of (70.20±11.203) Kg. Thirty apparently healthy, non diabetic people were chosen as controls. Their age between (20-60) years and mean of weight was (71.02 ± 13.429) Kg.
All patients underwent a clinical and laboratory evaluation and answered a standardized questionnaire. Blood samples for glucose level, total cholesterol, triglyceride, low-density, and lipoprotein high–density cholesterol were measured for each subject (diabetic and non-diabetic).
Information’s were taken from each subject about, treatment, family history of diabetes and other diseases and complication. Both Patients and control subjects were interviewed at the hospital.
The following list of equipment and consumables were used to perform different experiments and measurements; COBAS INTEGRA 400 plus which is a fully automated, random access, sample discrete, multi- analyte analyzer, centrifuge EBA20 from Germany, Plain Blood containers, Pipettes (10 µL-1000µL) and disposable tips, fluoride blood containers, and storage tubes.
Ready to use reagents in a unique reagent carrier provided by Roche to fit COBAS INTEGRA 400 plus were used for the measurement of glucose concentration and lipid profile (TG, TC, HDL and consequently the values of LDL were calculated) After approximately 12 hours fasting period 5 ml of venous blood in the dry sterile syringe were collected from each subject (patients and controls). The blood was divided into 2 tubes. 2 ml was mixed with floride oxalate in a fluoride blood container for blood glucose measurement and 3 ml were allowed to clot and immediately centrifuged at 2000 r.p.m for 10 minutes and sera was used for the lipid profile test.
The method used as described earlier with Sharma [26].
This method was used (COBAS INTEGRA 400 plus) to determine the concentrations of glucose, triglycerides, cholesterol, high density lipoprotein (HDL), low density lipoprotein (LDL)
Statistical Analysis
All data were processed using the Statistical Package for the Social Sciences (SPSS version16, Chicago, USA software).The differences between the groups were tested for significance by student’s t-test. Data were expressed as the mean ± SD. Differences considered statistically significant if p-values < 0.05.
Results
This study was a hospital based, cross sectional study to compare the blood glucose level and lipid profile concentrations in diabetic and non-diabetic subjects. To perform this, a comparison analysis was done to see if there is any difference between controls and patients. The results of this study covered forty five known diabetic patients and thirty healthy (non-diabetic) subjects (controls). Data collected from both diabetic patients and control subjects from Albjadia hospital and Aljimsh clinic Table 1. Represents the mean age and weight for both patients and control subjects. Plasma glucose level and serum lipid profile (total cholesterol (TC), triglyceride (TG), High–density lipoprotein cholesterol (HDL-C), were measured. The mean and standard deviation (SD) of all parameters were calculated.
| Mini | Maxi | Std. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Characteristic | Mean | |||||||||||||
| mum | mum | Deviation | ||||||||||||
| Patients' age (YR) | 18 | 70 | 44.47 | 15.811 | ||||||||||
| Patients' weight (Kg) | 39 | 88 | 67.41 | 14.009 | ||||||||||
| Control subjects age (YR) | 18 | 58 | 43.13 | 10.868 | ||||||||||
| Control subjects weight (Kg) | 50 | 82 | 66.27 | 10.140 |
Table 1: The mean of random blood glucose (RBG) level of diabetic patients was significantly (p=0. 001) higher than that of the n
Blood Glucose Level
The mean of fasting blood glucose (FBG) level of diabetic patients was significantly (p=0.001) higher than that of the non diabetic subjects as shown in table 2. The mean of random blood glucose (RBG) level of diabetic patients was significantly (p=0. 001) higher than that of the non diabetic subjects as shown in table 2, and figure 2.
Hanaa MAA. Determination of Blood Lipid Concentrations among Type II Diabetic Patients in Aldwadmi Province, KSA. Med J Clin Trials Case Stud 2018, 2(4): 000172.
- Diabetic patients
- (Mean SD)
- Non-Diabetic
- Measurement subjects
- (Mean SD) p- value (mg/dL)
- FBG
- 171.0064.42 96.3314.34
- 0.01
- RBG
- 254.8383.90 143.7363.73
- 0.01
- TC
- 27.9165.60
- 4.5701.22
- 0.03
- TG
- 67.1810.38
- 45.8710.21
- 0.001
- HDL
- 92.0057.75
- 82.3766.57
- 0.74
Table 2: Levels of Glucose and Serum Lipid Profile in
Lipid Profile: TC, TG, and HDL Concentrations
Total Cholesterol mean level value in diabetic patients was significantly higher than the mean serum of non diabetic subjects (p=0.03).
The mean value of triglycerides in diabetic patients was significantly higher than the mean value of non diabetic subjects (p=0.001).
The mean value of serum HDL-Cholesterol in diabetic patients was higher than the mean value of non diabetic subjects, but, this difference was not significant (p=0.74). As shown in table 2 and figure 1.


Hanaa MAA. Determination of Blood Lipid Concentrations among Type II Diabetic Patients in Aldwadmi Province, KSA. Med J Clin Trials Case Stud 2018, 2(4): 000172.
Discussion
The prevalence of T2DM and its complications is dramatically elevated in the Kingdom of Saudi Arabia (KSA) paralarly with the increase in the disease rate in different parts of the world as reported by the WHO [27].
The main features related with the disease in KSA are the obesity, very little physical activity (PA) and markedly change in people behavior and lifestyle. These factors contribute negatively to the already fragile situation and lead to serious complications. One of the most important causes of the complications is the abnormalities in lipids profile in the present study; we determined the prevalence of lipid profile. Furthermore, healthcare standards and patients’ knowledge among Saudi diabetic patients are also studied.
In this study diabetic patients have abnormal level in the mean of fasting blood glucose compared with non diabetic subjects. A significant difference was observed (p=0. 001), the same result (p=0. 0.001) was found between the mean of random blood glucose level (RBG) in patients compared to control subjects. High levels of blood glucose of diabetic patients due to lack of or resistance to insulin, the same results were previously reported [28, 29, 30]. These studies concluded that the fasting blood glucose level is also elevated and this indicates poor control of DM. As it is well known the main feature of DM is a persistant elevation of glucose in the blood (hyperglycemia) and this abnormality is associated with many metabolic abnormalities [31].
Impairing of lipid and lipoprotein metabolism are very common in the diabetic patients because of the effects of insulin lack and insulin resistance on the main enzymes act on the lipid metabolism [32]. Elevation of glucose level and the abnormality of insulin level and insulin resistance may lead to abnormalities in lipoprotein levels in the plasma and hyperinsulinaemia and consequently with the development of atherosclerotic vascular complications in diabetic population [33, 34].
Recent study provides evidence to suggest that lipid variables are associated with each other in T2DM patients among the population of Kishanganj, India [35]. The result of this study showed significant increased levels of total cholesterol (p=0.03) in diabetic patients compared to non-diabetic subjects, this increase it may be due to an increase in the plasma concentration of VLDL and LDL, which may be due to increased hepatic production of VLDL or decreased removal of VLDL and LDL from the circulation [36]. Significantly higher levels of triglycerides (p= 0.001) in Saudi diabetic patients may due to overproduction of VLDL lead to increased plasma levels of triglyceride which, via an exchange process mediated by cholesterol ester transfer protein (CETP), result in lower levels of high density lipoprotein HDL-cholesterol, also may be due to insulin deficiency which results faulty glucose utilization causes hyperglycemia and mobilization of fatty acids from adipose tissue.
In diabetes blood glucose is not utilized by tissue resulting in hyperglycemia which, consequently may lead to mobilization of fatty acids from adipose tissue for energy purpose and excess fatty acid is accumulated in the liver, unused fatty acids are usually converted to triacylglecerides (TGs) [37]. The most common abnormalities of lipid profile were a multi factorial complication of increased level of TGs (VLDL-TG), low clearance of TG-rich lipoproteins and extremely low high- density lipoproteins HDL-C concentration [38]. Non- significant higher concentration of HDL (p=0.74) in diabetic patients compared to non-diabetic subjects and decreased HDL cholesterol concentration would be due to TG combination with cholesterol ester transfer protein and high level of the TG lipase activity [39]. Inspite of the production of HDL particles in the hepatic tissues, a very big part of them are produced from the resident particles of TG-rich lipoproteins as they are breaking down.
This metabolism is usually impaired in DM, decreasing the formation of HDL-C from this source, a protein called cholesterol ester transport protein (CETP) transports cholesterol ester away from HDL particles in exchange for TG from VLDL particles. This transport decreases plasma HDL-C [40]. Lipid levels affected with glucose levels because carbohydrates and lipid metabolism are interrelated to each other if there is any disorder in carbohydrate metabolism will lead to disorder in lipid metabolism so there is a high concentration of cholesterol and triglycerides and due to this there is a reduction in HDL cholesterol levels because insulin resistance with or without hyperglycemia is associated with qualitative changes in the lipid profile [41]. These findings agreed with many researchers [42, 43, 44]. The prevalence and severity of dyslipidemia was associated with T2DM control, an early identification of dyslipidemia as a well- known amendable risk factor of CVD is important for the implementation of therapy for effective prevention and management [45].
Hanaa MAA. Determination of Blood Lipid Concentrations among Type II Diabetic Patients in Aldwadmi Province, KSA. Med J Clin Trials Case Stud 2018, 2(4): 000172.
Conclusions
Highly significant differences in mean concentrations of TG and TC between patients and controls but the difference was not significant for HDL. Fasting blood glucose concentration among patients was significantly higher than random blood glucose of the control subjects. Measurement of serum lipid profile would be introduced to the management plan of diabetes mellitus.
Acknowledgement
My gratitude is to my colleages at the Department of Biology, College of Science, University of Shaqra, KSA, for their valuable assistance to perform this research project for the students. We are greatly indebted to staff of the two hospitals (ALbejadia Hoapital, ALgimsh hospital) for their valuable assistance in collection of blood samples. The financial support provided by Shaqra University, the key of success of this study, is highly appreciated.
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