Patients who are candidates for biventricular device implantation are at increased risk for venous obstruction when compared with other pacemaker patients and this causes higher incidence of venous obstruction among these patients.
We detected high levels of IL-1beta, IL-8 and TNF-alpha in patients with UAP during early phase. We suggest that proinflammatory cytokines (e.g. IL-1beta,IL-8, TNF-alpha) may play an important role in the development of atherosclerosis and its complications.
Objective: The purpose of the present study was to investigate autonomic tone during the follicular and luteal phases of the menstrual cycle using heart rate variability (HRV) and heart rate recovery (HRR) in healthy women. Subjects and Methods: Thirty women aged 22-37 years with regular menstrual cycles were included in the study. The HRV and HRR were measured at the follicular and luteal phases. The HRV was obtained using the time domain method with 24-hour long-term recordings. For time domain analysis, the following were obtained: standard deviation of all normal sinus R-R intervals during 24 h (SDNN), mean of the standard deviation of all normal sinus R-R intervals for all 5-min segments (SDNN index), standard deviation of average normal sinus R-R intervals for all 5-min segments (SDANN), root mean square of the successive normal sinus R-R interval difference (rMSSD), and percentage of successive normal sinus R-R intervals longer than 50 ms (pNN50). The HRR was calculated at the first, second, and third minute of recovery after the cessation of peak exercise using a treadmill test. The paired sample t test was used for the comparison of both phases of the menstrual cycle. Results: The SDNN (136 ± 39 vs. 154 ± 32 ms; p = 0.015) and SDANN (122 ± 36 vs. 142 ± 36 ms; p = 0.004) were significantly lower during the luteal phase than during the follicular phase. The HRR, rMSSD, and pNN50 were not different between the 2 phases. Conclusion: Parasympathetic tone markers of HRV and HRR were unaffected by the menstrual phase. Lower SDNN and SDANN during the luteal phase than during the follicular phase could have resulted from enhanced sympathetic activity during the luteal phase.
Diabetic foot is a serious complication of diabetes mellitus and the risk of lower extremity amputation is very high in this population when compared with people without diabetes. We have previously reported the lower-extremity amputation rate and significant factors in determining the risks for patients who had been admitted to Hacettepe University Hospital, a tertiary reference center for Turkey, between the years 1992 and 1996. In January 2000, a diabetic foot care team including an infectious diseases specialist, orthopaedic surgeons, endocrinologists, a plastic and reconstructive surgeon, a radiologist, and a diabetic foot nurse was assembled. To determine whether a change has occurred in the rate and the risk factors of lower extremity amputations after the establishment of this team, medical records of 66 patients (39 men, 27 women) with diabetic foot who had been admitted to Hacettepe University Hospital between 2000 and 2002 have now been retrospectively analysed. The grade distribution of diabetic foot according to Wagner classification was quite similar in the two studies (grade 1: 0 % vs. 4.5 %, grade 2: 15.6 % vs. 19.7 %, grade 3: 48 % vs. 33.3 %, grade 4: 24.4 % vs. 30.3 %, grade 5: 11.5 % vs. 12.1 % in the former and current study, respectively). The overall amputation rate in the current study was 39.4 % (36.7 % in the former study). Ray amputation (35 %) and below-knee amputations (30 %) were the two most commonly applied procedures. The rates of Syme, above knee, other amputations (i.e., Boyd, talonavicular amputations and partial calcanectomy) were 8 %, 8 % and 19 %, respectively. These data suggest that amputation is still a frequently encountered outcome for our patients with diabetic foot, but the amputation profile has changed. The implementation of a diabetic foot care team has relatively decreased the rate of major amputations in an attempt for limb salvage to improve the quality of life of the patients. Presence of osteomyelitis, peripheral vascular disease and gangrene still remain as significant predictors of amputation in our population.
Introduction: Cardiovascular disease is the leading cause of morbidity and mortality in hemodialysis patients. Therefore, evaluation and prevention of cardiovascular diseases in end-stage renal disease (ESRD) patients are very important. The plasma level of omentin was found to be associated with different conditions such as insulin resistance. It is one of the novel adipokines synthesized mainly in the visceral adipose tissue. In this study, we aimed to investigate the level of omentin in patients with ESRD receiving hemodialysis. Methods: The study population consisted of 59 adult chronic hemodialysis patients (30 women and 29 men) and age-matched control subjects were selected from apparently healthy subjects (28 participants; 14 women and 14 men). Blood samples were obtained before the dialysis session. Omentin concentrations were determined by using enzyme-linked immunosorbent assay. Results: Plasma levels of omentin were found to be markedly higher in ESRD patients (606.6 ± 313.0 ng/ml) than in the control group (357.5 ± 147.4 ng/ml; p < 0.0001). Also, serum omentin levels were found to be correlated with creatinine (r = 0.333, p = 0.002). Conclusions: Omentin levels were found to be elevated in patients with ESRD receiving hemodialysis. To the best of our knowledge, this is the first clinical study that demonstrated the association between omentin and ESRD.
IntroductionWe investigated the association between bone mineral density (BMD) detected by dual-energy X-ray absorptiometric (DXA) method and blood pressure (BP) in a large sample of postmenopausal women.Material and methodsThe current study was based on a retrospective analysis of 586 postmenopausal women with a mean age of 60.8 ±8.8 years, who were screened for osteopenia or osteoporosis by DXA. Patients with hypertension (HT, n= 306) were compared with normotensive (NT, n = 290) individuals. Bone mineral density results for the femur neck and spine were classified into 3 groups according to World Health Organization criteria: normal (T score > –1.0 SD), osteopenia (T score –1.0 to –2.5 SD) and osteoporosis (T score < –2.5 SD). Patients with osteopenia or osteoporosis (T score < –1.0 SD) were grouped as having low bone mass (LBM).ResultsThere were no significant differences in femur T score, femur BMD, femur Z score, spinal T score, spinal BMD and spinal Z score between hypertensive and normotensive groups. The group of patients with low bone mass calculated from femur T scores had higher age, systolic BP, duration of hypertension and duration of menopause, but lower BMI. Similarly, patients with low spine BMD had higher age and duration of menopause, but lower BMI. Linear regression analysis showed a significant correlation between systolic BP and femur BMD and T score values. Furthermore, logistic regression analysis revealed that hypertension is an independent predictor of spinal osteopenia and osteoporosis.ConclusionsThe presence of hypertension is an independent predictor of spinal low bone density in Turkish women after menopause.
Diastolic LV dysfunction may develop even in absence of ischemia, hypertension, and LVH in T2DM. FBG and PPG have no effect on LV functions, but HbA(1C) levels may affect diastolic parameters.
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