Your browser doesn't support javascript.
loading
Show: 20 | 50 | 100
Results 1 - 20 de 71
Filter
Add more filters

Country/Region as subject
Publication year range
1.
Blood Press ; 33(1): 2368800, 2024 Dec.
Article in English | MEDLINE | ID: mdl-38910347

ABSTRACT

Objective Real-life management of patients with hypertension and chronic kidney disease (CKD) among European Society of Hypertension Excellence Centres (ESH-ECs) is unclear : we aimed to investigate it. Methods A survey was conducted in 2023. The questionnaire contained 64 questions asking ESH-ECs representatives to estimate how patients with CKD are managed. Results Overall, 88 ESH-ECS representatives from 27 countries participated. According to the responders, renin-angiotensin system (RAS) blockers, calcium-channel blockers and thiazides were often added when these medications were lacking in CKD patients, but physicians were more prone to initiate RAS blockers (90% [interquartile range: 70-95%]) than MRA (20% [10-30%]), SGLT2i (30% [20-50%]) or (GLP1-RA (10% [5-15%]). Despite treatment optimisation, 30% of responders indicated that hypertension remained uncontrolled (30% (15-40%) vs 18% [10%-25%]) in CKD and CKD patients, respectively). Hyperkalemia was the most frequent barrier to initiate RAS blockers, and dosage reduction was considered in 45% of responders when kalaemia was 5.5-5.9 mmol/L. Conclusions RAS blockers are initiated in most ESH-ECS in CKD patients, but MRA and SGLT2i initiations are less frequent. Hyperkalemia was the main barrier for initiation or adequate dosing of RAS blockade, and RAS blockers' dosage reduction was the usual management.


What is the context? Hypertension is a strong independent risk factor for development of chronic kidney disease (CKD) and progression of CKD to ESKD. Improved adherence to the guidelines in the treatment of CKD is believed to provide further reduction of cardiorenal events. European Society of Hypertension Excellence Centres (ESH-ECs) have been developed in Europe to provide excellency regarding management of patients with hypertension and implement guidelines. Numerous deficits regarding general practitioner CKD screening, use of nephroprotective drugs and referral to nephrologists prior to referral to ESH-ECs have been reported. In contrast, real-life management of these patients among ESH-ECs is unknown. Before implementation of strategies to improve guideline adherence in Europe, we aimed to investigate how patients with CKD are managed among the ESH-ECs.What is the study about? In this study, a survey was conducted in 2023 by the ESH to assess management of CKD patients referred to ESH-ECs. The questionnaire contained 64 questions asking ESH-ECs representatives to estimate how patients with CKD are managed among their centres.What are the results? RAAS blockers are initiated in 90% of ESH-ECs in CKD patients, but the initiation of MRA and SGLT2i is less frequently done. Hyperkalemia is the main barrier for initiation or adequate dosing of RAAS blockade, and its most reported management was RAAS blockers dosage reduction. These findings will be crucial to implement strategies in order to improve management of patients with CKD and guideline adherence among ESH-ECs.


Subject(s)
Hypertension , Renal Insufficiency, Chronic , Humans , Renal Insufficiency, Chronic/complications , Renal Insufficiency, Chronic/drug therapy , Hypertension/drug therapy , Europe , Antihypertensive Agents/therapeutic use , Male , Surveys and Questionnaires , Female , Middle Aged , Calcium Channel Blockers/therapeutic use , Societies, Medical , Angiotensin Receptor Antagonists/therapeutic use
2.
Opt Lett ; 46(9): 2035-2038, 2021 May 01.
Article in English | MEDLINE | ID: mdl-33929412

ABSTRACT

In recent years, multi-petawatt laser installations have achieved unprecedented peak powers, opening new horizons to laser-matter interaction studies. Ultra-broadband and extreme temporal contrast pulse requirements make optical parametric chirped pulse amplification (OPCPA) in the few-picosecond regime the key technology in these systems. To guarantee high fidelity output, however, OPCPA requires excellent synchronization between pump and signal pulses. Here, we propose a new highly versatile architecture for the generation of optically synchronized pump-signal pairs based on the Kerr shutter effect. We obtained >550µJ pump pulses of 12 ps duration at 532 nm optically synchronized with a typical ultrashort CPA source at 800 nm. As a proof-of-principle demonstration, our system was also used for amplification of ∼20µJ ultra-broadband pulses based on an OPCPA setup.

3.
Opt Lett ; 45(16): 4408-4411, 2020 Aug 15.
Article in English | MEDLINE | ID: mdl-32796970

ABSTRACT

Yb-doped materials, due to their high saturation fluence and consequently their low gain, represent a challenging choice for high-energy amplifiers. In this Letter, we study two original amplifier designs adapted to a large number of passes capable of operating in the 100 mJ energy range at repetition rates up to 100 Hz using Yb:CaF2 crystals as active media. Amplification geometries based on double-head active-mirror configurations are presented. We confront two alternative strategies suitable for amplification of large beams: regenerative and geometrical multi-pass amplifiers. This Letter consists of finding the pivot point, allowing us to discriminate the specific interest of each strategy. We present compensation methods of the thermal lens adapted to each amplifier configuration with and without cavity, and we demonstrate that despite similar laser heads and pumping conditions, the thermal lens impacts differently the optimal performance for multi-pass or regenerative strategy. We perform amplification up to 66 mJ pulses at 10 Hz with the regenerative amplifier and 52 mJ at 100 Hz with the multi-pass amplifier.

4.
Opt Lett ; 45(16): 4599-4602, 2020 Aug 15.
Article in English | MEDLINE | ID: mdl-32797019

ABSTRACT

We demonstrate the impact of the optics roughness in Öffner stretchers used in chirped pulse amplification laser chains and how it is possible to improve the temporal contrast ratio in the temporal range of 10-100 ps by adequately choosing the optical quality of the key components. Experimental demonstration has been realized in the front-end source of the multi-petawatt (PW) laser facility Apollon, resulting in an enhancement of the contrast ratio by two to three orders of magnitude.

5.
Semin Liver Dis ; 39(4): 502-512, 2019 11.
Article in English | MEDLINE | ID: mdl-31272112

ABSTRACT

The aim of this study was to evaluate the morphologic appearance, the clinical scenario, and the outcomes of patients with portal hypertensive biliopathy (PHB), particularly in the symptomatic subgroup treated with interventional radiology (IR) procedures. The outcome of 20 patients with PHB were retrospectively reviewed over a 5-year period. In all cases, the extrahepatic portal vein occlusion (EHPVO) and the compensatory cavernomatosis was the cause of PHB. Eight out of 20 patients had severe symptoms (jaundice and bleeding). Five out of these eight patients were successfully treated with IR procedures. PHB is a rare but serious complication of PH from EHPVO. IR treatments are highly effective in controlling symptoms. Moreover, IR procedures, as drainage and transjugular intrahepatic portosystemic shunt placement, are the first-line treatment in cases of life-threatening bleeding from ruptures of the varices.


Subject(s)
Biliary Tract/pathology , Constriction, Pathologic/therapy , Hypertension, Portal/therapy , Portal Vein/pathology , Radiology, Interventional , Adult , Aged , Biliary Tract/diagnostic imaging , Constriction, Pathologic/diagnostic imaging , Dilatation , Female , Humans , Hypertension, Portal/etiology , Male , Middle Aged , Portal Vein/diagnostic imaging , Prohibitins , Retrospective Studies , Stents
6.
J Comput Assist Tomogr ; 43(3): 513-518, 2019.
Article in English | MEDLINE | ID: mdl-31082957

ABSTRACT

OBJECTIVES: The aim of this study was to evaluate the diagnostic accuracy of a specific protocol of computed tomography-colonography with intravenous contrast medium and urographic phase, which combined simultaneously the study of the intestinal and urinary tract, in the preoperative evaluation of women with deep infiltrating endometriosis (DIE) of anterior and posterior pelvic compartments. METHODS: We retrospectively analyzed 73 women who underwent 74 computed tomography-colonography with intravenous contrast medium and urographic phase examinations for strong clinical suspicion of DIE. All the women had surgical confirmation. RESULTS: Computed tomography-colonography with intravenous contrast medium and urographic phase in detecting DIE rectosigmoid involvement had a sensitivity of 82.3% and a specificity of 66.7%, while in detecting DIE urinary tract involvement had a sensitivity of 45.9% and a specificity of 78.4%. CONCLUSIONS: Computed tomography-colonography with intravenous contrast medium and urographic phase is a useful technique for the preoperative planning of selected women with DIE, in particular, for the detection of sigmoid colon and bladder lesions especially when performed with a dose reduction protocol.


Subject(s)
Contrast Media/administration & dosage , Endometriosis/diagnostic imaging , Intestines/diagnostic imaging , Pelvis/diagnostic imaging , Urinary Tract/diagnostic imaging , Administration, Intravenous , Adult , Colonography, Computed Tomographic , Female , Humans , Middle Aged , Multimodal Imaging , Retrospective Studies , Sensitivity and Specificity , Urography
7.
J Ment Health ; 28(1): 71-79, 2019 Feb.
Article in English | MEDLINE | ID: mdl-27562238

ABSTRACT

BACKGROUND: Epigenetic research in mental health has grown exponentially during the last decade and holds what some claim are "revolutionary" potentials for the development of new interdisciplinary models of mental ill health. Schizophrenia is the most appropriate diagnosis against which to assess progress in this regard. METHOD: Papers on epigenetics and schizophrenia identified in a systematic literature search are subject to a conceptually-driven narrative review that assesses the relations between schizophrenia and epigenetics; considers some issues associated with empirical studies; and thereby identifies key assumptions guiding this research. FINDINGS: The revolutionary potentials of epigenetics are thus far not being realised due to various influences, including a preponderance of hypotheses that begin from a primarily biological question; the "condensation" of environmental influences and their effective reduction to their molecular consequences; and a frequent reliance upon animal studies that effectively preclude some important influences already established as relevant to this diagnosis. CONCLUSION: Epigenetic research in schizophrenia (and mental health generally) could benefit from being more thoroughly interdisciplinary, from testing hypotheses that foreground social as well as biological influences, and from reconsidering its reliance upon psychiatric diagnoses.


Subject(s)
Epigenesis, Genetic , Schizophrenia/genetics , Animals , Biomedical Research , Gene-Environment Interaction , Humans
8.
AJR Am J Roentgenol ; 209(1): 122-129, 2017 Jul.
Article in English | MEDLINE | ID: mdl-28402131

ABSTRACT

OBJECTIVE: The aim of this study is to determine whether any correlation between CT findings and functional parameters exists to predict subclinical glucocorticoid secretion. MATERIALS AND METHODS: This is a retrospective database study of 55 patients with incidentally discovered adenomas, investigated through CT with an adrenal protocol, assessing diameters and attenuation values on the unenhanced and contrast-enhanced phases. Patients underwent blood cortisol and corticotropin evaluation and overnight dexamethasone suppression test (DST), in accordance with clinical recommendations. Cortisol levels higher than 50 nmol/L after DST identified subclinical cortisol secretion. We identified 28 subjects with lipid-rich nonsecreting adenomas, nine with lipid-rich secreting adenomas, 11 with lipid-poor nonsecreting adenomas, and seven with lipid-poor secreting adenoma. RESULTS: Cortisol levels after DST were significantly and positively related to mass diameters. At univariate analysis, maximum and minimum diameters and attenuation in the delayed phase were significantly related to the presence of secreting or nonsecreting adenoma; at multivariate analysis, only the minimum diameter and the attenuation in the venous phase entered the stepwise logistic regression. Similarly, minimum diameter and attenuation in the venous phase emerged also at the multivariate stepwise regression between radiologic parameters and cortisol levels after DST. The formula of the radiologic score computed by using the coefficients of the multivariate regression was as follows: (0.1914 × minimum diameter) + (0.0308 × enhanced attenuation). The diagnostic accuracy of this discriminatory score in differentiating secreting from nonsecreting adenomas was 84.9%, the sensitivity was 81.3%, and the specificity was 87.2%. Adenomas with scores greater than 7.59 were considered as secreting adenomas, and adenomas with scores less than 7.36 were considered as nonsecreting adenomas. CONCLUSION: This study shows that imaging parameters can predict subclinical cortisol hypersecretion in patients with adrenal adenomas.


Subject(s)
Adrenocortical Adenoma/diagnostic imaging , Adrenocortical Adenoma/pathology , Hydrocortisone/metabolism , Adrenocorticotropic Hormone/metabolism , Adult , Aged , Aged, 80 and over , Biomarkers/blood , Contrast Media , Female , Humans , Incidental Findings , Iopamidol/analogs & derivatives , Male , Middle Aged , Predictive Value of Tests , Retrospective Studies
10.
Abdom Imaging ; 39(1): 25-32, 2014 Feb.
Article in English | MEDLINE | ID: mdl-24337547

ABSTRACT

The purpose of this study is to describe our experience with cases of false negative findings at conventional colonoscopy (CC) that were identified by CT colonography (CTC). Conventional colonoscopy (CC) is the universally accepted gold-standard technique for the diagnosis of colonic polyps and cancers, however occasionally this method can generate false negative findings. We present examples of false negatives at CC, correctly identified by CT colonography (CTC), and later confirmed at a second endoscopy, describing the reasons of false negative, when possible.


Subject(s)
Colonic Neoplasms/diagnostic imaging , Colonic Neoplasms/pathology , Colonography, Computed Tomographic , Colonoscopy , Aged , Colonoscopy/methods , Diagnostic Errors , Female , Humans , Imaging, Three-Dimensional , Male , Middle Aged
11.
CVIR Endovasc ; 7(1): 19, 2024 Feb 16.
Article in English | MEDLINE | ID: mdl-38363514

ABSTRACT

BACKGROUND: Superficial femoral artery (SFA) pseudoaneurysms, a rare but potentially life-threatening complication, that can arise after vascular interventions or trauma. This case series explores the efficacy and safety of a minimally invasive treatment modality, percutaneous ultrasound-guided thrombin injection (PUGTI) combined with balloon occlusion, in three patients with SFA pseudoaneurysms. CASE PRESENTATION: Three patients (age: 71-82 years; 3 female) with SFA pseudoaneurysms underwent PUGTI with balloon occlusion. The procedure involved direct thrombin injection under ultrasound guidance while occluding the parent artery using a balloon catheter. Follow-up was conducted at 1 week and 1 month post-procedure to assess technical success, complications, and recurrence. CONCLUSION: PUGTI combined with balloon occlusion appears to be a safe and effective treatment for SFA pseudoaneurysms, particularly for larger pseudoaneurysms. The procedure is associated with a high technical success rate. Balloon occlusion may offer a safer alternative to direct thrombin injection without occlusion, as it potentially minimizes the risk of complications such as distal thromboembolism.

12.
J Hypertens ; 42(9): 1544-1554, 2024 Sep 01.
Article in English | MEDLINE | ID: mdl-38747416

ABSTRACT

OBJECTIVE: Real-life management of hypertensive patients with chronic kidney disease (CKD) is unclear. METHODS: A survey was conducted in 2023 by the European Society of Hypertension (ESH) to assess management of CKD patients referred to ESH-Hypertension Excellence Centres (ESH-ECs) at first referral visit. The questionnaire contained 64 questions with which ESH-ECs representatives were asked to estimate preexisting CKD management quality. RESULTS: Overall, 88 ESH-ECs from 27 countries participated (fully completed surveys: 66/88 [75.0%]). ESH-ECs reported that 28% (median, interquartile range: 15-50%) had preexisting CKD, with 10% of them (5-30%) previously referred to a nephrologist, while 30% (15-40%) had resistant hypertension. The reported rate of previous recent (<6 months) estimated glomerular filtration rate (eGFR) and urine albumin-creatinine ratio (UACR) testing were 80% (50-95%) and 30% (15-50%), respectively. The reported use of renin-angiotensin system blockers was 80% (70-90%). When a nephrologist was part of the ESH-EC teams the reported rates SGLT2 inhibitors (27.5% [20-40%] vs. 15% [10-25], P  = 0.003), GLP1-RA (10% [10-20%] vs. 5% [5-10%], P  = 0.003) and mineralocorticoid receptor antagonists (20% [10-30%] vs. 15% [10-20%], P  = 0.05) use were greater as compared to ESH-ECs without nephrologist participation. The rate of reported resistant hypertension, recent eGFR and UACR results and management of CKD patients prior to referral varied widely across countries. CONCLUSIONS: Our estimation indicates deficits regarding CKD screening, use of nephroprotective drugs and referral to nephrologists before referral to ESH-ECs but results varied widely across countries. This information can be used to build specific programs to improve care in hypertensives with CKD.


Subject(s)
Hypertension , Renal Insufficiency, Chronic , Humans , Renal Insufficiency, Chronic/complications , Renal Insufficiency, Chronic/physiopathology , Hypertension/drug therapy , Hypertension/complications , Surveys and Questionnaires , Male , Female , Pilot Projects , Referral and Consultation , Antihypertensive Agents/therapeutic use , Middle Aged , Mass Screening/methods , Europe , Aged , Glomerular Filtration Rate
13.
Clin Exp Hypertens ; 34(6): 385-8, 2012.
Article in English | MEDLINE | ID: mdl-22712567

ABSTRACT

Prehypertension (PH) seems to be related to increased cardiovascular risk in healthy normotensive subjects, while essential hypertension is associated with hemostasis balance disturbances. The aim of our study was to examine the impact of PH on hemostasis parameters in healthy individuals with PH and to compare the findings with those of healthy normotensives with normal blood pressure (NBP) levels. This study was performed in 204 (96 M, 108 F) subjects who attended our hypertension clinic. Seventy-eight (36 M, 42 F) subjects with PH, mean age 52 ± 5 years, and body mass index (BMI) 23 ± 1.5 kg/m2 made up group A, and 126 (60 M, 66 F) subjects with NBP, mean age 53 ± 6 years, and BMI 23.2 ± 1.4 kg/m2 without any history of cardiovascular disease or diabetes mellitus made up group B. Systolic blood pressure and diastolic blood pressure were measured in three sequential visits, which were performed by the same trained nurse. Serum lipid levels, fibrinogen (F), thrombomodulin (TM), and plasminogen activator inhibitor-1 antigen, and tissue plasminogen activator antigen were determined in the whole population. Plasminogen activator inhibitor-1 antigen and tissue plasminogen activator antigen levels were significantly higher in the PH group as compared with normotensives, while in PH subjects, significantly higher plasma levels of F and TM were found compared with normotensive group. The two groups were matched for age, sex, BMI, and serum lipid levels. Our findings indicate that PH is associated with hemostasis disturbances predisposing to hypercoagulability and impaired fibrinolysis. This observation may be of prognostic value for future cardiovascular events in this group and needs further investigation.


Subject(s)
Hemostasis/physiology , Prehypertension/blood , Blood Pressure , Female , Fibrinogen/metabolism , Humans , Hypertension/metabolism , Lipids/blood , Male , Middle Aged , Plasminogen Activator Inhibitor 1/blood , Risk Factors , Thrombomodulin/blood , Tissue Plasminogen Activator/blood
14.
Pathogens ; 11(2)2022 Jan 26.
Article in English | MEDLINE | ID: mdl-35215103

ABSTRACT

Pseudorabies virus (PRV) is the causative agent for Aujeszky's disease, a disease that mainly affects pigs and incidentally other domestic and wild animals. While PRV is almost always fatal, causing neurological disease independently of the age in non-porcine species, the development of neurological manifestation in its host species, the pig, highly depends on the age. In this study, an attempt was made to investigate the effect of nerve development on the outcome of virus infection and the effect of virus infection on the structure of nerves in piglets of various ages. For that reason, 42 pigs at the age of one (n = 14), three (n = 14) and five (n = 14) weeks were inoculated with 107 TCID50 of PRV Kaplan strain and euthanized at one- or four-days post inoculation (DPI). The tissues of the trigeminal nervous pathway were collected and examined for virus replication (titration) in cell cultures for nerve morphology by light and transmission electron microscopy, and for viral antigen visualization by immunohistochemistry. The results showed that as the age of the pig increases, virus titers and clinical manifestations reduced, while, at the same time, myelin and axon development ceased. Following infection, the nerve structure was disrupted at all ages examined, being more prominent in one-week-old pigs compared to five-week-old pigs. In conclusion, the age-dependent PRV neuroinvasion in pigs seems to correlate with the morphological changes of neurons.

15.
Hemasphere ; 6(1): e677, 2022 Jan.
Article in English | MEDLINE | ID: mdl-34938959

ABSTRACT

The sustainability of coronavirus 19 (COVID-19) vaccine-induced immunity against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is critical to be determined to inform public health decisions on vaccination programs and prevention measures against COVID-19. The aim of the present study was to prospectively evaluate the kinetics of neutralizing antibodies (NAbs) and anti-S-receptor binding domain (RBD IgGs) against SARS-CoV-2 after full vaccination with the BNT162b2 mRNA vaccine for up to 9 months in healthy individuals (NCT04743388). The assessments were performed at the following time points after the second vaccination: 2 weeks, 1 month, 3 months, 6 months, and 9 months. The measurements were performed with the GenScript's cPassTM SARS-CoV-2 NAbs Detection Kit (GenScript, Inc.; Piscataway, NJ) and the Elecsys Anti-SARS-CoV-2 S assay (Roche Diagnostics GmbH; Mannheim, Germany). Three hundred nine participants with a median age of 48 years were included. A gradual decline in both NAbs and anti-S-RBD IgGs became evident from 2 weeks to 9 months postvaccination. Both NAbs and anti-S-RBD IgGs levels were significantly lower at 9 months compared with the previous timepoints. Interestingly, age was found to exert a statistically significant effect on NAbs elimination only during the first-trimester postvaccination, as older age was associated with a more rapid clearance of NAbs. Furthermore, simulation studies predicted that the median NAb value would fall from 66% at 9 months to 59% and 45% at 12 and 18 months postvaccination, respectively. This finding may reflect a declining degree of immune protection against COVID-19 and advocates for the administration of booster vaccine shots especially in areas with emerging outbreaks.

16.
Biomedicines ; 10(2)2022 Jan 18.
Article in English | MEDLINE | ID: mdl-35203412

ABSTRACT

Vaccination against SARS-CoV-2 with BNT162b2 mRNA vaccine plays a critical role in COVID-19 prevention. Although BNT162b2 is highly effective against COVID-19, a time-dependent decrease in neutralizing antibodies (NAbs) is observed. The aim of this study was to identify the individual features that may predict NAbs levels after vaccination. Machine learning techniques were applied to data from 302 subjects. Principal component analysis (PCA), factor analysis of mixed data (FAMD), k-means clustering, and random forest were used. PCA and FAMD showed that younger subjects had higher levels of neutralizing antibodies than older subjects. The effect of age is strongest near the vaccination date and appears to decrease with time. Obesity was associated with lower antibody response. Gender had no effect on NAbs at nine months, but there was a modest association at earlier time points. Participants with autoimmune disease had lower inhibitory levels than participants without autoimmune disease. K-Means clustering showed the natural grouping of subjects into five categories in which the characteristics of some individuals predominated. Random forest allowed the characteristics to be ordered by importance. Older age, higher body mass index, and the presence of autoimmune diseases had negative effects on the development of NAbs against SARS-CoV-2, nine months after full vaccination.

17.
Opt Lett ; 36(20): 4023-5, 2011 Oct 15.
Article in English | MEDLINE | ID: mdl-22002373

ABSTRACT

We propose and demonstrate an architecture that achieves passive coherent combination of two femtosecond fiber chirped-pulse amplifiers. The setup consists in the use of a well-balanced amplifying Sagnac interferometer. The experiment shows that the temporal, spectral, and spatial qualities of each beam are retained, with the generation of 250 fs pulses at 35 MHz repetition rate, an uncompressed average power of 10 W, and a combining efficiency of 96%. The behavior of this architecture in the presence of high accumulated nonlinear phase is investigated.

18.
Nephron Clin Pract ; 119(1): c27-34, 2011.
Article in English | MEDLINE | ID: mdl-21654180

ABSTRACT

BACKGROUND: Albuminuria, arterial stiffening and left ventricular hypertrophy (LVH) constitute target organ damage. We estimated whether increased urinary albumin excretion, assessed by albumin-to-creatine ratio (ACR), and carotid to femoral pulse wave velocity (c-f PWV) were accompanied by augmented left ventricular (LV) mass index (LVMI) in hypertension. METHODS: In 428 non-diabetic untreated hypertensives (257 men, mean age = 52 years, office blood pressure (BP) = 146/93 mm Hg) the distributions of ACR and c-f PWV were split by the median (8 mg/g and 7.8 m/s, respectively). RESULTS: Age, male sex, 24 h systolic BP, ACR and c-f PWV were the independent predictors of LVMI (R(2) = 0.478, p < 0.0001). Among patients with low ACR (n = 198), those with high c-f PWV (n = 84) compared to those with low c-f PWV (n = 114) were characterized by increased LVMI (by 8.9 g/m(2), p = 0.012) and prevalence of LVH (30 vs. 14%, p = 0.015). Similarly among patients with high ACR (n = 230), those with high c-f PWV (n = 123) compared to those with low c-f PWV (n = 107) exhibited heightened LVMI (by 13.6 g/m(2), p = 0.001). CONCLUSIONS: Increased ACR in conjunction with pronounced arterial stiffness is accompanied by augmented LV mass and higher LVH rates. Furthermore, the interrelationships between albuminuria, c-f PWV and LVMI suggest parallel target organ damage progression.


Subject(s)
Albuminuria/physiopathology , Hypertension/physiopathology , Hypertrophy, Left Ventricular/physiopathology , Vascular Stiffness/physiology , Adult , Albuminuria/epidemiology , Albuminuria/pathology , Cross-Sectional Studies , Disease Progression , Female , Humans , Hypertension/epidemiology , Hypertension/pathology , Hypertrophy, Left Ventricular/epidemiology , Hypertrophy, Left Ventricular/pathology , Male , Middle Aged
19.
Opt Lett ; 35(14): 2415-7, 2010 Jul 15.
Article in English | MEDLINE | ID: mdl-20634848

ABSTRACT

We present a diode-pumped regenerative amplifier based on an Yb:CaF(2) crystal optimized to produce short pulses for various repetition rates ranging from 100 Hz to 10 kHz. The shortest pulse duration generated is 178 fs, and the corresponding energy is 1.4 mJ before compression (620 microJ after), at a repetition rate of 500 Hz for 16 W of pump power. The bandwidth is 10 nm centered at 1040 nm. Higher repetition rate regimes have also been explored, allowing an optical-to-optical efficiency up to 10% at a high repetition rate.

20.
Blood Press ; 19(1): 16-9, 2010 Feb.
Article in English | MEDLINE | ID: mdl-19929288

ABSTRACT

This paper describes a clinical picture frequently seen in specialty hypertension clinics, a patient with paroxysmal or intermittent hypertension not related to pheochromocytoma. A variety of diagnostic labels given to these patients is reviewed, including pseudopheochromocytoma and panic attacks. The clinical features, pathophysiology, diagnosis and treatment of these syndromes are outlined. It is proposed that successful management of these patients may be best achieved by collaborative care between a hypertension specialist and a psychiatrist, or clinical psychologist with expertise in cognitive-behavioral panic disorder management, stress-reduction techniques including controlled breathing, and effective treatment of anxiety. The use of drugs effective for treatment of panic disorder can also be helpful in managing those patients.


Subject(s)
Depression/complications , Depression/diagnosis , Hypertension/physiopathology , Hypertension/psychology , Antidepressive Agents, Second-Generation/therapeutic use , Citalopram/therapeutic use , Depression/drug therapy , Depression/psychology , Diagnosis, Differential , Humans , Male , Severity of Illness Index , Young Adult
SELECTION OF CITATIONS
SEARCH DETAIL