Iris Publishers - Current Trends in Clinical & Medical Sciences (CTCMS)
The Prevalence of Prediabetes in Sudanese Patients attending Khartoum North Teaching Hospital Referred Clinics Sudan?
Authored by Mohammed Handady
Introduction
Prediabetes (PDM) is an important
health issue which rarely draw health workers attention, and hence it is
underestimation and under diagnosis. It is an important health issue given the
associated complications which are the same for type 2 diabetes mellitus(T2DM)
and high rate for development T2DM. Unfortunately, there is no Sudanese studies
has been published yet regarding prediabetes.
The first technical report for
diagnostic criteria of Diabetes Mellitus was published by the World Health
organization in 1965 [1]. “Borderline diabetes” and “Chemical Diabetes” were
used to classify people with glucose levels in the non-diabetes range and had a
higher risk of developing diabetes subsequently [2]. But the term impaired
glucose tolerance (IGT) was first mentioned only in 1979 to include people who
have plasma glucose between the diabetes range and the normal plasma glucose
[3]. Again, IGT is recognized as a condition predisposing to T2DM but no
further measures to manage this condition were described. It was not until 1999
that the term fasting plasma glucose (IFG) was introduced to explain the
dysglycaemic fasting plasma glucose [4].
IFG and IGT have been
interchangeably included under the conditions non-diabetic hyperglycaemia
(NDH), impaired glucose regulation (IGR) and impaired glucose metabolism (IGM).
It is recommended that the term PDM may be used to address the disorders of IGR
when communicating to non-healthcare professionals [5]. However, PDM does not
inevitably lead to T2DM [6]. PDM was recognized as a major healthcare problem
in the late 90s and the early 2000 following publication of results of landmark
prevention studies for T2DM. The aim of this study was to determine the
prevalence of prediabetes and the risk factors that increase acquisition of
T2DM in Khartoum North Teaching Hospital- Khartoum-Sudan.
Material and Methods
It was descriptive cross-sectional
hospital-based study carried out at Khartoum North Teaching
Hospital-Khartoum-Sudan during the period September 2016 to April 2017. Four hundred
participants above 40 years of age were incorporated. Data was collected by
structure questionnaire. Fasting blood glucose and two hours postprandial was
obtained by a finger puncture under aseptic conditions. Those who were
seriously ill or had recent history of hospitalization due to any ailments were
excluded from the study. Demographic data, history or family history and
treatment history of DM or hypertension as well as smoking habits and regular
exercise were obtained from the participants by a structured questionnaire. The
arterial blood pressure was measured using mercury sphygmomanometers. The
American Heart Association Guidelines for In-Clinic Blood Pressure Measurement
[4], were applied for the participants. Capillary blood glucose was obtained by
a finger puncture under aseptic conditions to measure a fasting blood glucose
and two hours postprandial.
The body mass index (BMI) is
defined as the weight in kilograms divided by the square of the height in
meters (kg/m2). The BMI was determined by using World Health Organization (WHO)
classification for obesity [4]. For the purpose of this study, diabetes
diagnosed as fasting blood glucose concentration more than 7mmol /litre
or>126mg/dl, impaired fasting glucose (IFG) is a fasting blood glucose between
110mg -125mg or 6.1mmol-6.9mmol. Statistical analysis was performed via SPSS
software (SPSS, Chicago, IL, USA). Continuous variables were compared using
student’s t test (for paired data) or Mann-Whitney U test for non-parametric
data. For categorical data, comparison was done using Chi-square test (X2) or
Fisher’s Exact test when appropriate. A P value of <0.05 was considered
statistically significant.
Ethical clearance and approval for
conducting this research was obtained from the State Ministry of Health and the
hospital and informed verbal consent was obtained from every respondent who
agreed to participate in the study. Of course, the respondents informed that
the study is not associated with experimental or therapeutic intervention while
information was collected from them.
Results
A total of 400 participants had
both FPG and 2HPP measured. The mean age was 51.4±1.85 years and the proportion
of female participants was 51.2%, majority were housewives 41.2% and illiterate
36.2%. The mean BMI, 27.4±2.43kg/m2. Of the study population, (33.5%) had
positive family history of diabetes mellitus, only (18.3%) were had positive
family history of hypertensive. The prevalence of prediabetes was 27(6.75%),
24(6.00%) has impaired GT, and 0.75% has IFG. Fasting blood glucose test was
normal in (98.8%), impaired in (0.75%), and in the range of diabetes in
(0.25%). Two hours post prandial was normal in (92.75%), impaired in (6%), and
in diabetes range in (1.25%) (Table 1).
Discussion
Prediabetic individuals are at
increased risk for developing micro vascular and macro vascular complications
prior to diagnosis , so diagnosis of pre diabetes is a good opportunity to
identify patients at increased risk for type 2 diabetes and to implement
interventions that can delay or prevent type 2 diabetes and its complication,
unfortunately this opportunity is often unrecognized by health-care providers.
Our study find that, among those investigated 373 (93.25%) were normal, 27
(6.75%) had impaired glucose regulation, of them, IFG was in 3 (0.75%), and
2HPP was impaired in 24 (6.0%), all 27 patients of impaired glucose regulation
requested to do HbA1c, just seven of them showed up with the result, all were
below 6.5%, i.e. normal.
Also, there were two fasting blood
glucose results in the diabetes range, and five members has diabetic range when
they investigated by blood glucose level after two hours 2HPP test. All had
been counselled about their blood glucose status. The main results of the
current study are the low prevalence of pre- diabetes (6.75%), housewife’s
women, those who have positive family history of DM, who are obese, who with no
regular exercise and more than 60 years were at higher risk of prediabetes.
This was a hospital-based study and most Sudanese people go to primary health
centre. This could explain the relatively low prevalence of prediabetes in our
study.
Our data demonstrate a prevalence
rate of pre diabetes (6.75%), 24 (6.00%) has impaired GT (2HPP) and 0.75% has
IFG which it is comparable with the global prevalence of IGT 8.3% [16] , but
was lower than that reported from most countries in the region [7,8]. A
comparison of our data with these reports is difficult because of the different
criteria used, the different age groups studied, and the different
methodologies adopted. The difference between our study and other studies may
be explained by multiple factors such as, the differences in environmental risk
factors, genetic, socioeconomic factors, prevalence of other associated risk
factors for prediabetes and the method of blood glucose determination. In this
study, the majority of cases of IGR were housewives (41.0%) of them 3(100.0%)
had IFG and 19(70.3%) had IGT, there were 5(18.5%) employees had IGR all has
IGT, this shows a relation between decreased physical activity and IGR which is
consistent with a study in Turkey by Kelestimur F et al, which showed similar
result [9].
In the present study, females were
more likely to have impaired fasting blood glucose than males. Previous reports
were variable regarding gender differences in the prevalence of prediabetes.
Our data are consistent with those reported from Iraq [10] and Abu- Dhabi [11].
As we are going through the other risk factors, we find that (55.8%) of our
populations have high body mass index ranging from overweight to obese and the
study demonstrate strong association between BMI and prediabetes (P value
0.02).
Moreover, the current study
reveals that, there was statistically significant difference in the prevalence
of prediabetes between normal weight and overweight or obese population, the
prevalence of IFG and I 2HPP was higher amongst overweight and obese subjects.
This finding has been reported by previous studies which states that (Obesity,
mainly central obesity has long been considered a risk factor for prediabetes
DM and other cardiovascular diseases) [7,12]. Lack of regular exercise and bad
dietary habit can be others risk factors for insulin resistance.
The present study finds that
(82.2%) of our study population has no regular exercise program as most of them
are females in addition to cultural aspect. This is in keeping with other
studies [13,14]. Based on genetics, family history of diabetes is a strong
factor for development of IFG even in the absence of obesity [15]. In the
present study, prevalence of prediabetes was higher among positive family
history of DM.
Strength and limitation of this
study
The strength of this study, data
was collected by structure questionnaire. Fasting blood glucose and two hours
postprandial was obtained by a finger puncture under aseptic conditions. World
Health Organization criteria were adopted for the diagnosis of DM (fasting
plasma glucose $7.8mmol L21 or plasma glucose of $11.1mmol L21, 2h after an
oral anhydrous glucose load of 75g) and IGT (fasting plasma glucose, 7.8mmol
L21 and plasma glucose between 7.8mmol L21 and 11.1mmol L21, 2h after an oral
glucose load of 75g).This study had some limitations. The relatively few number
of study participants, may affect negatively the probability of finding
significant relationships between different factors or variables with the IGR.
Other limitation of the present
study was confounded by inadequate sample size or selection bias. Small sample
size is open to a beta-II type error: a failure to accurately identify a true
difference (i.e., a false negative result). In spite of limitations like small
sample size and uncentre model, this study takes an important step towards
exploring the inter-relationship of various predictors for prediabetes and
impaired glucose tolerance
To read more
about this article: https://irispublishers.com/ctcms/fulltext/the-prevalence-of-prediabetes-in-sudanese-patients-attending-khartoum-north-teaching-hospital.ID.000514.php
Indexing List of Iris Publishers: https://medium.com/@irispublishers/what-is-the-indexing-list-of-iris-publishers-4ace353e4eee
Iris
publishers google scholar citations: https://scholar.google.co.in/scholar?hl=en&as_sdt=0%2C5&q=irispublishers&btnG=
Comments
Post a Comment