scholarly journals The role of Helicobacter cinaedi in the development of atherosclerosis

2021 ◽  
Vol 75 (1) ◽  
pp. 529-536
Author(s):  
Tevhide Ziver Sarp ◽  
Safa Gode ◽  
Suat Saribas ◽  
Sevgi Ergin ◽  
Gökhan Kasnak ◽  
...  

Abstract Helicobacter cinaedi (H. cinaedi) is a Gram-negative curved motile rod that causes bloodstream or enteric infections. It was suggested that H. cinaedi was involved in the progression of atherosclerosis. We aimed to investigate the presence of H. cinaedi DNA using a nested-polymerase chain reaction (PCR) in atheroma plaques from patients with atherosclerosis-induced vascular diseases. A total of 129 patients diagnosed with valvular heart disease due to atherosclerosis and 146 patients with non-atherosclerotic post-stenotic dilatation were included as the patient and the control groups, respectively. The ATCC BA847 H. cinaedi strain was used as the positive control for the nested-PCR method. We investigated H. cinaedi DNA in our study groups using the nested-PCR method and detected only six H. cinaedi DNA (4.65%) in the 129 atherosclerotic patient group. We detected significant difference between patient and control groups with respect to the presence of H. cinaedi on the basis of Fischer’s exact test (p = 0.010) by univariate analysis. Age (OR: 1.042, p = 0.016), total cholesterol (≥200 mg/dL) (OR: 1.849, p = 0.0001), and high-density lipoprotein (≥50 mg/dL) (OR: 0.745, p = 0.039) levels were detected as independent variables for the risk of atherosclerosis development in the patient group. The presence of H. cinaedi was not detected as an independent variable in a multivariate analysis. Previous studies suggested that H. cinaedi-induced oral infections might translocate to vascular tissue and induce chronic inflammation in the aorta, which subsequently may lead to atherosclerotic plaque formation. In conclusion, we could not suggest that there is a causal relationship between H. cinaedi and the development of atherosclerosis. However, age (OR: 1.042), total cholesterol (≥200 mg/dL, OR: 1.849), and high-density lipoprotein (≥50 mg/dL, OR: 0.745, as protective) levels have a significant role in the pathogenesis of atherosclerosis development. We also suggest that the presence of H. cinaedi may contribute to the risk of atherosclerosis development due to the univariate comparison result.

VASA ◽  
2014 ◽  
Vol 43 (3) ◽  
pp. 189-197 ◽  
Author(s):  
Yiqiang Zhan ◽  
Jinming Yu ◽  
Rongjing Ding ◽  
Yihong Sun ◽  
Dayi Hu

Background: The associations of triglyceride (TG) to high-density lipoprotein cholesterol ratio (HDL‑C) and total cholesterol (TC) to HDL‑C ratio and low ankle brachial index (ABI) were seldom investigated. Patients and methods: A population based cross-sectional survey was conducted and 2982 participants 60 years and over were recruited. TG, TC, HDL‑C, and low-density lipoprotein cholesterol (LDL-C) were assessed in all participants. Low ABI was defined as ABI ≤ 0.9 in either leg. Multiple logistic regression models were applied to study the association between TG/HDL‑C ratio, TC/HDL‑C ratio and low ABI. Results: The TG/HDL‑C ratios for those with ABI > 0.9 and ABI ≤ 0.9 were 1.28 ± 1.20 and 1.48 ± 1.13 (P < 0.0001), while the TC/HDL‑C ratios were 3.96 ± 1.09 and 4.32 ± 1.15 (P < 0.0001), respectively. After adjusting for age, gender, body mass index, obesity, current drinking, physical activity, hypertension, diabetes, lipid-lowering drugs, and cardiovascular disease history, the odds ratios (ORs) with 95 % confidence intervals (CIs) of low ABI for TG/HDL‑C ratio and TC/HDL‑C ratio were 1.10 (0.96, 1.26) and 1.34 (1.14, 1.59) in non-smokers. When TC was further adjusted, the ORs (95 % CIs) were 1.40 (0.79, 2.52) and 1.53 (1.21, 1.93) for TG/HDL‑C ratio and TC/HDL‑C ratio, respectively. Non-linear relationships were detected between TG/HDL‑C ratio and TC/HDL‑C ratio and low ABI in both smokers and non-smokers. Conclusions: TC/HDL‑C ratio was significantly associated with low ABI in non-smokers and the association was independent of TC, TG, HDL‑C, and LDL-C. TC/HDL‑C might be considered as a potential biomarker for early peripheral arterial disease screening.


e-CliniC ◽  
2016 ◽  
Vol 4 (1) ◽  
Author(s):  
Pradika H. Koampa ◽  
Karel Pandelaki ◽  
Marthen C.P. Wongkar

Abstract: Body Mass Index (BMI) is a measurement of nutritional status by calculating the ratio of height and weight. Type 2 Diabetes Mellitus (T2DM) is more common in a person with a BMI of more than normal. In patients with T2DM, there is lipid metabolism disorder, dyslipidaemia. Changes in lipid profiles consist of increased levels of total cholesterol, Low Density Lipoprotein (LDL), and triglycerides, and decreased levels of High Density Lipoprotein (HDL). This study aimed to obtain the correlation between body mass index and lipid profile in T2DM patients in Prof. Dr. R. D. Kandou Hospital Manado. This was a descriptive analytical study using patients’ medical record in Endocrine Clinic Prof. Dr. R. D. Kandou Hospital Manado from September to November 2015. The Pearson correlation test showed correlations between BMI and total cholesterol levels with r=0.037and p=0.763; between BMI and HDL levels with r=-0.249 and p=0.039; between BMI and LDL levels with r=0.091 and p=0,455; and between BMI and triglyceride levels with r=0.179 and p=0.142. Conclusion: Among T2DM patients, there were no significant correlations between body mass index and total cholesterol, LDL cholesterol, as wello as triglyceride levels. However, there was a significant correlation between body mass index and HDL levels. Keywords: body mass index, total cholesterol, HDL, LDL, triglycerides, T2DM Abstrak: Indeks Massa Tubuh (IMT) merupakan salah satu pengukuran status gizi dengan menghitung perbandingan tinggi badan dan berat badan. Diabetes Melitus Tipe 2 (DMT2) lebih sering terjadi pada individu dengan IMT lebih dari normal. Pada pasien DMT2 terjadi gangguan metabolisme lipid yaitu dislipidemia. Perubahan profil lipid yang terjadi yaitu peningkatan kadar Kolesterol Total, Low Density Lipoprotein (LDL), dan trigliserida, serta penurunan kadar High Density Lipoprotein (HDL). Penelitian ini bertujuan untuk mengetahui hubungan antara IMT dengan profil lipid pada pasien DMT2di RSUP Prof. Dr. R. D. Kandou Manado. Jenis penelitian ini deskriptif analitik dengan menggunakan data rekam medik pasien di Poliklinik Endokrin Bagian/SMF Ilmu Penyakit Dalam RSUP. Prof. Dr. R. D. Kandou Manado periode September – November 2015. Hasil uji korelasi Pearson memperlihatkan nilai hubungan antara IMT dan kadar kolesterol total r = 0,037 dan p = 0,763 ; nilai hubungan antara IMT dan kadar HDL r = -0,249 dan p = 0,039 ; nilai hubungan antara IMT dan kadar LDL r = 0,091 dan p = 0,455; serta nilai hubungan antara IMT dan kadar trigliserida r = 0,179 dan p = 0,142. Simpulan: Pada pasien DMT2 tidak dijumpai hubungan bermakna antara IMT dengan kadar kolesterol total, kadar LDL, dan kadar trigliserida, namun terdapat hubungan bermakna antara IMT dengan kadar HDL.Kata kunci: IMT, kolesterol total, HDL, LDL, trigliserida, DMT2


Author(s):  
Gilang Nugraha ◽  
Soebagijo Poegoeh Edijanto ◽  
Edhi Rianto

Small Dense Low Density Lipoprotein (sdLDL) merupakan fraksi terkecil dari partikel Low Density Lipoprotein (LDL) yang memilikidiameter ≤25,5 nm. Partikel sdLDL merupakan lipoprotein sangat aterogenik bahkan telah dilaporkan meningkatkan kebahayaanPenyakit Jantung Koroner (PJK) hingga tiga kali lipat. Pengukuran sdLDL dilakukan dengan alat dan teknik yang rumit sehinggakurang cocok diterapkan dalam praktek klinis sehari-hari. Tahun 2011, Srisawasdi dkk mengembangkan teknik pengukuran perkiraansdLDL-cholesterol (sdLDL-C) menggunakan persamaan dengan menghitung profil lipid rutin. Dilaporkan bahwa peningkatan kepekatantrigliserida (TG) menurunkan kenasaban perkiraan sdLDL-C Srisawasdi. Penurunan nilai kenasaban dapat mempengaruhi ketepatanyang mengakibatkan penurunan mutu pemeriksaan laboratorium. Diambil 88 sampel yang dilakukan pengukuran Total Cholesterol(TC), TG, high density lipoprotein-cholesetrol (HDL-C) dan direk low density lipoprotein-cholesetrol (dLDL-C) di RSUD Dr. Soetomo,sdLDL-C metode homogeneous enzymatic assay dilakukan di Laboratorium Parahita Dharmawangsa. Hasil analisis menunjukkan, tidakada perbedaan hasil periksaan sdLDL-C formula Srisawasdi dkk dengan metode homogeneous enzymatic assay (P=0,000). Penurunannilai kenasaban ditemukan di kelompok kepekatan TG <100 mg/dL sampai dengan kelompok kepekatan TG 200-299 mg/dL. Perbedaannilai kenasaban di setiap kelompok TG tidak mempengaruhi ketepatan pemeriksaan sdLDL-C formula Srisawasdi (P=0,720) hinggakepekatan TG <400 mg/dL, dengan nilai bias pada seluruh sampel yaitu 34,15%. Keterbatasan sdLDL-C formula Srisawasdi dkk hanyadapat digunakan di kepekatan TG kurang dari 200 mg/dL dengan pemantapan mutu intralaboratorium yang terkendali baik. Saranpenelitian, perlu diteliti lebih lanjut untuk menentukan nilai normal sdLDL-C formula Srisawasdi.


1997 ◽  
Vol 92 (5) ◽  
pp. 473-479 ◽  
Author(s):  
Gregory D. Sloop ◽  
David W. Garber

1. Increased blood or plasma viscosity has been observed in almost all conditions associated with accelerated atherosclerosis. Cognizant of the enlarging body of evidence implicating increased viscosity in atherogenesis, we hypothesize that the effects of low-density lipoprotein and high-density lipoprotein on blood viscosity correlate with their association with risk of atherosclerosis. 2. Blood viscometry was performed on samples from 28 healthy, non-fasting adult volunteers using a capillary viscometer. Data were correlated with haematocrit, fibrinogen, serum viscosity, total cholesterol, high-density lipoprotein-cholesterol, triglycerides and calculated low-density lipoprotein-cholesterol. 3. Low-density lipoprotein-cholesterol was more strongly correlated with blood viscosity than was total cholesterol (r = 0.4149, P = 0.0281, compared with r = 0.2790, P = 0.1505). High-density lipoprotein-cholesterol levels were inversely associated with blood viscosity (r = −0.4018, P = 0.0341). 4. To confirm these effects, viscometry was performed on erythrocytes, suspended in saline, which had been incubated in plasma of various low-density lipoprotein/high-density lipoprotein ratios. Viscosity correlated directly with low-density lipoprotein/high-density lipoprotein ratio (n = 23, r = 0.8561, P < 0.01). 5. Low-density lipoprotein receptor occupancy data suggests that these effects on viscosity are mediated by erythrocyte aggregation. 6. These results demonstrate that the effects of low-density lipoprotein and high-density lipoprotein on blood viscosity in healthy subjects correlate with their association with risk of atherosclerosis. These effects on viscosity may play a role in atherogenesis by modulating the dwell or residence time of atherogenic particles in the vicinity of the endothelium.


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