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1.
Diabetes Metab Syndr Obes ; 17: 2191-2198, 2024.
Article in English | MEDLINE | ID: mdl-38835729

ABSTRACT

Background: Diabetes mellitus is already a major cardiovascular risk factor (CRF). Hypovitaminosis D is common in patients with type 2 diabetes mellitus (T2DM). It also increases the cardiovascular risk of these subjects. Objective: To determine the vitamin D status of Malagasy with T2DM seen at the Soavinandriana Hospital Center, and the association between hypovitaminosis D and CRF. Methods: This was a cross-sectional study, carried out over a period of 2 years. Assayed by the chemiluminescence technique, vitamin D was "normal", "insufficient" and "deficient" if the 25-hydroxyvitamin D plasma was ≥30 ng/mL, 20-29 ng/mL and ≤19 ng/mL, respectively. Hypovitaminosis D was the set of vitamin D insufficiency and deficiency. Results: Among the 318 T2DM, the prevalence of hypovitaminosis D was 66.0% (45.2% insufficiency and 20.8% deficiency). Their factors associated were age ≥70 years (OR = 2.15 [1.26-3.66]), glycated haemoglobin ≥7% (4.97 [2.97-8.39]), and retinopathy (OR = 4.15 [1.85-9.32]). After adjustment for age, Hb A1c ≥7% and retinopathy, hypovitaminosis D was associated with hypertension (OR = 8.77 [4.76-16.2]), dyslipidaemia (OR = 8.05 [3.98-14.5]), ex-smoking (OR = 6.07 [2.78-13.3]), microalbuminuria (OR = 2.95 [1.25-6.97]) and carotid atherosclerosis (OR = 2.96 [1.83-4.35]). Conclusion: Hypovitaminosis D was common in T2DM. Its treatment is primarily preventive. It is also important to control associated CRF, diabetes and its complications.

2.
Endocrinol Diabetes Metab ; 6(6): e457, 2023 11.
Article in English | MEDLINE | ID: mdl-37817456

ABSTRACT

AIM: Our study aims to determine the prevalence and factors associated with carotid atherosclerosis in Malagasy Type 2 diabetes mellitus (T2DM). METHODS: This was a cross-sectional retrospective study, carried out over a period of 30 months. The diagnosis of carotid atherosclerosis is established by the presence of a carotid plaque increased carotid intima-media thickness ≥1.1 mm on Doppler ultrasound. RESULTS: We included 132 T2DM. The prevalence of carotid atherosclerosis was 63.6% (38.6% carotid plaque and 25% intima-media thickening). After univariate analysis, the factors associated with carotid atherosclerosis were age ≥70 years (3.28 [1.18-10, 62]), previous intake of oral antidiabetics (0.33 [0.14-0.73]), insulin (0.28 [0.11-0.66]) and angiotensin receptor blocker (0.45 [0.20-0.98]), and current smoking (5.93 [1.64-32.6]). After adjustment for age and gender, previous intake of oral antidiabetics (0.29 [0.13-0.64]), insulin (0.27 [0.12-0.61]) and angiotensin receptor blocker (0.40 [0.19-0.86]), and current smoking (5.98 [1.61-22.1]) were associated with carotid atherosclerosis. CONCLUSION: Smoking cessation, education on therapeutic compliance and comprehensive management of all cardiovascular risk factors and T2DM are therefore essential in order to reduce the occurrence of carotid atherosclerosis.


Subject(s)
Carotid Artery Diseases , Diabetes Mellitus, Type 2 , Insulins , Humans , Aged , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/epidemiology , Retrospective Studies , Risk Factors , Carotid Intima-Media Thickness , Cross-Sectional Studies , Prevalence , Carotid Artery Diseases/diagnostic imaging , Carotid Artery Diseases/epidemiology , Carotid Artery Diseases/etiology , Hypoglycemic Agents/therapeutic use , Angiotensin Receptor Antagonists
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