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Showing 3 results for Carotid Intima-Media Thickness
Atherosclerotic changes and hemodynamic parameters of carotid artery in hemodialysis patients
Rohani Zohre , Sanadgol Hooshang , Khajehnasiri Samaneh ,
Volume 69, Issue 12 (3-2012)
Abstract

Background: Atherosclerotic vascular disease is a major cause of morbidity and mortality in patients with end-stage renal diseases on maintenance hemodialysis. Early atherosclerotic changes of the arterial wall can be evaluated by measuring intima-media thickness (IMT), and looking for the presence and structure of plaques and parameters of vascular resistance. In this study we investigated the relationship between carotid IMT and pulsatility index (PI) or resistive index (RI) values in hemodialysis patients.

Methods: Sixty hemodialysis patients (27 females and 33 males median age 41.7 years) and 60 healthy volunteers (32 females and 28 males, median age 37.8 years) underwent ultrasonography of common carotid artery for the determination of IMT, PI and RI.

Results: Bilateral IMT was significantly higher in hemodialysis patients than in control group (P<0.001). Left carotid artery RI and PI were found to be significantly higher in hemodialysis patients than in the controls (P<0.001). Right carotid artery RI and PI had no significant statistical differences between the two groups (P=0.18 and P=0.78, respectively). There was a moderately significant negative correlation between the left carotid IMT and left RI and PI in the controls (r= -0.42, P=0.001 and r=- 0.43, P<0.001, respectively).

Conclusion: PI and RI values of the left coronary artery increased as did IMT in hemodialysis patients. Therefore, measurement of RI and PI values together with IMT are recommended for early diagnosis of atherosclerosis in hemodialysis patient.


Comparing carotid intima-media thickness in type 2 diabetes between patients with and without retinopathy
Naroi Nejad Minoo , Yousefi Maryam, Nazari Hossein, Ghasempoor Adel,
Volume 70, Issue 3 (6-2012)
Abstract

Background: Microangiopathy and macroangiopathy frequently coexist in type 2 diabetes mellitus (T2DM). Both types of the vascular complications share traditional risk factors but it is not clear whether the presence of microangiopathy, such as diabetic retinopathy, constitutes a predictor of atherosclerosis in carotid arteries in patients with the disease. In this study we looked for the association between diabetic retinopathy and intima-media thickness in carotid arteries of patients with T2DM.

Methods: In this case-control study we examined 100 consecutive patients with T2DM in Rasoul Akram Hospital in Tehran, Iran during 2009-2010. We assessed intima-media thickness of carotid arteries by ultrasonography. All patients underwent ophthalmo-logic examination.

Results: Diabetic retinopathy was found in 50 (50%) patients. Intima-media thickness was higher in patients with diabetic retinopathy than those without it (0.77±0.17 mm vs. 0.71±0.2 mm, respectively, P=0.041). Moreover, intima-media thickness was more prevalent in patients with proliferative diabetic retinopathy than patients with non-proliferative form of the disease (0.87±0.16 mm vs. 0.68±0.1 mm, respectively, P<0.001).

Conclusion: Diabetic retinopathy seems to be associated with increased intima-media thickness of carotid arteries in T2DM. It may be a common denominator of pathogene-sis of microvascular complications and atherosclerosis in T2DM. Evaluations of carotid arteries are to be done by non-invasive methods such as color Doppler sonography for screening and preventing prospective cereberovascular accidents in patients with diabetic retinopathy, especially proliferative retinopathy, in routine ophthalmological examination of patients with T2DM.


Investigating the relationship between androgenetic alopecia and the thickness of the intima media of the carotid artery
Mohammad Gholami , Alireza Mahmoudabadi, Maryam Moradi , Hossein Nezami, Hamideh Mohammadzadeh ,
Volume 82, Issue 7 (10-2024)
Abstract
Background: Androgenetic alopecia is the most common cause of hair loss, and its prevalence increases with age. Different studies have reported different results regarding the association of cardiovascular diseases with androgenetic alopecia. The present study aimed to The present study aimed to Investigating the relationship between androgenetic alopecia and the thickness of the intima media of the carotid artery in the referrals to the specialized skin and hair clinic of Allameh Bohlool Gonabadi Hospital.
Methods: This case-control study was conducted from October 2021 to June 2022 on 100 patients referred to the Skin and Hair Clinic of Allameh Bahloul Hospital in two groups of 50 cases and controls, aged less than 40 years. The subjects were matched in terms of age and gender. Patients with alopecia were classified into three categories: mild, moderate, and severe based on the diagnosis of the treating physician. The thickness of the intima-media layer of the carotid artery was measured using ultrasound.
Results: There were 37 males and 13 females in both the case and control groups. The mean age in the case group was 29.50 and 30.28 years, respectively. In addition, the duration of alopecia in the case group was 6.9 years. Although the results indicated that the carotid artery intima-media thickness was higher in patients with androgenetic alopecia, no statistically significant relationship was found between androgenetic alopecia and carotid artery intima-media thickness (P=0.66). There was also a statistical relationship between the carotid artery intima-media thickness and the duration of alopecia (P=0.03).
Conclusion: Considering the relationship between the thickness of the intima media of the carotid artery and the duration of alopecia, it can be said that there is a possible relationship between alopecia and atherosclerosis, but to prove it, studies with a larger sample size are needed.

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