Prevalence of dyslipidemia among Iranian patients with idiopathic tinnitus

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Abstract

BACKGROUND:

Tinnitus is a sense of sound perception in absence of an external source which can affect life quality. Different conditions may lead to tinnitus including metabolic disorders such as dyslipidemia. The aim of this study was to investigate the prevalence of dyslipidemia among Iranian patients with idiopathic tinnitus.

METHODS:

This was a cross-sectional study in which prevalence of dyslipidemia in fasting state and its subclasses were assessed in 1043 tinnitus patients aged 12-90 years who referred to Rasool Akram Hospital, Tehran, Iran, 2006-2009. Data was summarized by SPSS software version 17 and one sample t-test and Chi-Square test were applied to analyze the results. P less than 0.05 were considered significant.

RESULTS:

The most prevalent type of dyslipidemia was hypercholesterolemia with the frequency of 14.4% followed by low HDL-C with the frequency of 12.8%. Mean of total cholesterol, HDL-C, LDL-C and triglyceride levels in all patients were not greater than general population.

CONCLUSIONS:

Based on the results of the present study, there might be no need to check the serum lipid profile in tinnitus patients. We recommend further studies to assess both fasting and postprandial serum lipid profile in patients with idiopathic tinnitus. Simultaneous investigation of their dietary intake is also suggested.

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Most cited references 23

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Vertebral artery dissection: presenting findings and predictors of outcome.

Marcel Arnold, David Benninger, Urs Fischer … (2006)

Few data exist about clinical, radiologic findings, clinical outcome, and its predictors in patients with spontaneous vertebral artery dissection (sVAD). Clinical characteristics, imaging findings, 3-month outcomes, and its predictors were investigated in consecutive patients with sVAD. One hundred sixty-nine patients with 195 sVAD were identified. Brain ischemia occurred in 131 patients (77%; ischemic stroke, n=114, 67%; transient ischemic attack, n=17, 10%). Three patients with ischemic stroke showed also signs of subarachnoid hemorrhage (SAH); 3 (2%) had SAH without ischemia. The 134 patients with brain ischemia or SAH had head and/or neck pain in 118 (88%) and pulsatile tinnitus in seven (5%) patients. The remaining 35 patients (21%) had isolated head and/or neck pain in 21 (12%) cases, asymptomatic sVAD in 13 (8%), and cervical radiculopathy in one case (1%). Location of sVAD was more often in the pars transversaria (V2; 35%) or atlas loop (V3; 34%) than in the prevertebral (V1; 20%) or intracranial (V4; 11%) segment (P=0.0001). Outcome was favorable (modified Rankin scale score 0 or 1) in 88 (82%) of 107 ischemic stroke patients with follow up. Two (2%) patients died. Low baseline National Institutes of Health Stroke Scale score (P<0.0001) and younger age (P=0.007) were independent predictors of favorable outcome. sVAD is predominantly located in the pars transversaria (V2) or the atlas loop (V3). Most patients show posterior circulation ischemia. Favorable outcome is observed in most ischemic strokes and independently predicted by low National Institutes of Health Stroke Scale score and younger age.

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Trends in Overweight, Obesity and Central Fat Accumulation among Tehranian Adults between 1998–1999 and 2001–2002: Tehran Lipid and Glucose Study

Fereidoun Azizi, Leila Azadbakht, Parvin Mirmiran (2005)

Aims: Recent estimates show the prevalence of obesity to be increasing at alarming rates. This study was conducted to examine trends of prevalence in overweight, obesity and central fat accumulation among Tehranian adults between 1998 and 2002. Methods: Height and weight of 2,102 adults, aged 20–80 years, participants of the Tehran Lipid and Glucose Study, were measured in 1998–1999 and remeasured in 2001–2002, after 3 years. Criteria used to state prevalence of overweight and obesity were body mass index (BMI) 25–29.9 and ≧30, respectively. Central fat accumulation was defined as waist-hip ratio (WHR) ≧0.8 in women and ≧0.9 in men. Individuals were divided into 10-year groups and the prevalence of obesity was compared according to sex and age. Results: In 1998–1999 and 2001–2002, mean BMI was 26.1 ± 4.1 and 26.7 ± 4.1 kg/m 2 in men (p 2 in women (p < 0.001), respectively. Mean WHR in women was 0.84 ± 0.08 in 1998–1999 and 0.88 ± 0.08 in 2001–2002 (p < 0.001). The prevalence of overweight in men was 42.5 and 46% and 40 and 39.5% in women in the two mentioned periods. The prevalence of obesity was 32.7 and 40.3% in men and 16.5 and 20.8% in women in 1998–1999 and 2001–2002 respectively. In both sexes the fastest increasing trends in obesity and central fat accumulation were seen in the 30- to 40- and 20- to 30-year-old age groups. Comparison of the 50th percentile of BMI in all age groups showed a significant increase in 2001–2002 as compared to 1998–1999 (p < 0.01). Conclusion: The findings demonstrate significant rises in the prevalence of both total and central fat accumulation, calling for urgent action to educate people in lifestyle modifications.

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Serum lipid levels in an Iranian adults population: Tehran Lipid and Glucose Study.

F. Azizi, M. Rahmani, A Ghanbarian … (2003)

Data from 6246 participants aged 20-64 years (2339 males and 3907 females) in the cross-sectional phase of Tehran Lipid and Glucose Study (February 1999-May 2000) were used to determine distribution of serum lipid levels after 12-14 hour overnight fast. Mean total cholesterol (TC) concentration was 210 mg/dl. TC was significantly greater in females than males, 213 and 206 mg/dl, respectively (p < 0.0001). Thirty-one percent of population had TC values between 200 and 239 and 24% had values of 240 mg/dl or greater. Mean low-density lipoprotein cholesterol (LDL-C) was 129 and 135 mg/dl in males and females, respectively (p < 0.0001). Twenty-seven percent had LDL-C values between 130 and 159 and 23% had values 160 mg/dl or greater. The mean triglycerides (TGs) values were 190 and 162 mg/dl for males and females, respectively (p < 0.0001). The mean high-density lipoprotein cholesterol (HDL-C) was 39 in males and 45 mg/dl in females (p < 0.0001). The results showed higher levels of TC, LDL-C and TGs and slightly lower HDL-C in Tehranian adults than other studies in the industrialized countries.

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Author and article information

Journal

Journal ID (nlm-ta): J Res Med Sci

Journal ID (publisher-id): JRMS

Title: Journal of Research in Medical Sciences : The Official Journal of Isfahan University of Medical Sciences

Publisher: Medknow Publications & Media Pvt Ltd (India )

ISSN (Print): 1735-1995

ISSN (Electronic): 1735-7136

Publication date (Print): July 2011

Volume: 16

Issue: 7

Pages: 890-896

Affiliations

[1- ] Assistant professor of Clinical Nutrition, Clinical Nutrition & Dietetics Department, National Nutrition & Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

[2- ] Professor of Otolaryngology, ENT-Head and Neck Research Center and Department, Hazrat Rasoul Akram Hospital, Tehran University of Medical Sciences, Tehran, Iran.

[3- ] Assistant Professor of Otolaryngology, ENT-Head and Neck Research Center and Department, Hazrat Rasoul Akram Hospital, Tehran University of Medical Sciences, Tehran, Iran.

[4- ] Assistant Professor of Otolaryngology, ENT-Head and Neck Research Center and Department, Hazrat Rasoul Akram Hospital, Tehran University of Medical Sciences, Tehran, Iran.

[5- ] General Practitioner, ENT-Head and Neck Research Center and Department, Hazrat Rasoul Akram Hospital, Tehran University of Medical Sciences, Tehran, Iran.

[6- ] General Practitioner.

Author notes

Corresponding Author: Maryam Jalessi, E-mail: dr.jalessi@ 123456gmail.com

Article

Publisher ID: JRMS-16-890

PMC ID: 3263101

PubMed ID: 22279456

SO-VID: 2d867be9-4527-48c2-a1ae-4c9f746d687b

License:

This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Prevalence of dyslipidemia among Iranian patients with idiopathic tinnitus

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Abstract

BACKGROUND:

METHODS:

RESULTS:

CONCLUSIONS:

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Point-Of-Care Testing for Hepatitis

Most cited references 23

Vertebral artery dissection: presenting findings and predictors of outcome.

Trends in Overweight, Obesity and Central Fat Accumulation among Tehranian Adults between 1998–1999 and 2001–2002: Tehran Lipid and Glucose Study

Serum lipid levels in an Iranian adults population: Tehran Lipid and Glucose Study.

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