Abstract:
:Efficient fragmentation is the most important prerequisite for successful treatment of gallstones by extracorporeally induced shock waves. No data are available on the amount of energy necessary for stone disintegration and on the threshold energy below which no further fragmentation occurs. We therefore performed an in vitro investigation on human cholesterol gallstones to elucidate physical laws governing shock-wave lithotripsy. First, the focal pressure of the lithotripter was measured to calculate the energy traversing a stone. Second, 96 gallstones from 16 gall bladders were analysed with respect to physicochemical composition, radiological features and ultrasound before fragmentation was performed. Energy for stone disintegration was constant within each stone family but varied between 4.6 mL-1 and 36.8J mL-1 in different families. This energy correlated linearly with stone volume. None of the radiological and physicochemical factors revealed a clear-cut correlation of the different energies necessary for similar stone disintegration. The threshold energy differed between 0.26 mJ and 1.04 mJ per pulse. In conclusion, stone volume was the best parameter predicting stone fragmentation. However, in cholesterol stones with a similar composition the required energy per volume varies considerably together with the threshold energy. Radiological and ultrasound parameters appear to be of minor importance in explaining these differences.
journal_name
Eur J Clin Investjournal_title
European journal of clinical investigationauthors
Neubrand M,Greinwald I,Lobentanzer H,Paumgartner G,Hermeking H,Sauerbruch Tdoi
10.1046/j.1365-2362.1997.990648.xsubject
Has Abstractpub_date
1997-03-01 00:00:00pages
234-41issue
3eissn
0014-2972issn
1365-2362journal_volume
27pub_type
杂志文章abstract::The impact of running and menstrual disturbances on regional and total body fat distribution and serum lipids was investigated in 205 women. Body composition was measured by dual-energy X-ray absorptiometry. The total fat mass in the elite runners was approximately half of the normally active's (7.3 [0.48] kg vs. 14.3...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.1995.tb01745.x
更新日期:1995-08-01 00:00:00
abstract:BACKGROUND:Smoking remains the most important avoidable cause of global mortality. Even though the number of cigarette smokers declines in first world countries, the uses of alternative nicotine delivery products increase and may even surpass the sells of cigarettes. In this light, the explicit role of nicotine in the ...
journal_title:European journal of clinical investigation
pub_type: 杂志文章,评审
doi:10.1111/eci.13077
更新日期:2019-04-01 00:00:00
abstract:BACKGROUND:The aetiology of inguinal hernia includes changes in collagen turnover and metalloproteinase (MMP) expression, and direct hernia has been linked to increased MMP-2 expression. Since transforming growth factor beta1 (TGFbeta1) plays a role in tissue remodelling, this growth factor could directly affect metall...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.2007.01816.x
更新日期:2007-06-01 00:00:00
abstract:BACKGROUND:The intestinal mucosa of patients with inflammatory bowel diseases (IBD) characteristically shows a high degree of inflammation when compared to healthy subjects. This appears to be attributable to an imbalance in local reactivity of inflammatory cells. In the present study, we tested the hypothesis that imm...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.2010.02407.x
更新日期:2011-03-01 00:00:00
abstract:BACKGROUND:Data regarding the effect of vitamin C (VC) and vitamin E (VE) supplementation on insulin resistance in type 2 diabetes mellitus (T2DM) are controversial. We aimed to systematically review the current data on this topic. MATERIALS AND METHODS:All randomized controlled trials (RCTs) conducted to assess the e...
journal_title:European journal of clinical investigation
pub_type: 杂志文章,meta分析
doi:10.1111/eci.12534
更新日期:2015-11-01 00:00:00
abstract:BACKGROUND:Arterial calcification (AC) is a major health problem associated with extreme morbidity and a shortened survival. It is currently without any effective treatment. ATP and the purinergic system in general are now emerging as being important in the pathogenesis of AC and potentially provide a new focus for nov...
journal_title:European journal of clinical investigation
pub_type: 杂志文章,评审
doi:10.1111/eci.12055
更新日期:2013-04-01 00:00:00
abstract::An increase in plasma renin activity (PRA) following experimental coronary occlusion has previously been demonstrated in anaesthetized and conscious dogs. The purpose of the present study was to analyse the mechanism of this renin release. In two distinct models of myocardial ischaemia in anaesthetized dogs--i.e. occl...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.1985.tb00288.x
更新日期:1985-12-01 00:00:00
abstract::The aim of the present study was to investigate possible relationships in piglets between myocardial energy-related metabolites and intracellular electrolytes during open-chest cardiopulmonary resuscitation (OCCPR) supplemented by the administration of alkaline buffers with varying sodium content. Our hypothesis was t...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1046/j.1365-2362.1997.1280676.x
更新日期:1997-05-01 00:00:00
abstract:BACKGROUND:Early menopause, whether it be natural or surgical, is one of the established risk factors for osteoporosis. Surgical menopause, however, differs from natural menopause owing to the abrupt cessation of estrogen secretion. This study attempts to investigate the influence of menopause type on bone mineral dens...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1046/j.1365-2362.1999.00541.x
更新日期:1999-10-01 00:00:00
abstract:BACKGROUND:During exposure to high altitude, the immune system is altered. During hypoxia, an increase in interleukin (IL)-6 and high sensitivity C-reactive protein (hs-CRP), and an increase in natural killer cells and decrease in T cells in blood was shown. However, the impact of hypoxia on dendritic cells has not bee...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/eci.12416
更新日期:2016-02-01 00:00:00
abstract::The human placenta secretes large amounts of corticotropin-releasing hormone (CRH) which was thought to exert a paracrine action in the placenta. We have recently characterized high-affinity binding sites for CRH in the human placenta. However, our studies utilized whole placental membranes, which did not identify the...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1046/j.1365-2362.2001.00770.x
更新日期:2001-02-01 00:00:00
abstract:BACKGROUND:After the Q fever outbreak in the Netherlands between 2007 and 2010, more than 300 patients with chronic Q fever have been identified. Some patients were also diagnosed with systemic sclerosis, a rare immune-mediated disease. We aimed to increase awareness of concomitant chronic Q fever infection and systemi...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/eci.13123
更新日期:2019-07-01 00:00:00
abstract::Patients with primary biliary cirrhosis (PBC) are usually characterized by the presence of antibody to pyruvate dehydrogenase complex (PDC) in the sera and PDC-specific T cells in the liver. However, most of the patients with PBC do not show peripheral blood T cells response to PDC. In this study, we re-evaluated the ...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1046/j.1365-2362.2001.00847.x
更新日期:2001-07-01 00:00:00
abstract:BACKGROUND:Complement fragment C5a and neutrophils have been implicated in the pathogenesis of renal disease and C5a has also been shown to delay apoptosis of human neutrophils via a transcription-independent pathway. However, transcription-dependent pathways have not been well described. The present study examined whe...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.2006.01637.x
更新日期:2006-05-01 00:00:00
abstract::We recently reported that chloride-depletion metabolic alkalosis (CDMA) results in renal losses of Na, K, and water. In these studies we investigated whether CDMA (induced using a new model that avoids external changes in Na and water balance) was also associated with internal Na and water shifts out of the ECF. CDMA ...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.1991.tb01370.x
更新日期:1991-06-01 00:00:00
abstract::Dipyrone metabolites 4-methylaminoantipyrine (MAA) and 4-formylaminoantipyrine (FAA) as well as acetylsalicylic acid inhibited neutrophil migration toward zymosan-activated serum. Inhibition was maximal (76.8 +/- 19.0; 79.2 +/- 12.5 and 80.0 +/- 4.4%, respectively, P less than 0.003) when suboptimal concentrations (0....
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.1984.tb01210.x
更新日期:1984-12-01 00:00:00
abstract::In controls and in patients suffering from congestive heart failure (CHF) the circulating levels of catecholamines, neuropeptide Y-like immunoreactivity (NPY-LI), vasoactive intestinal peptide-LI (VIP-LI), substance P-LI (SP-LI) and calcitonin generated peptide-LI (CGRP-LI) markers of sympathetic, parasympathetic and ...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.1990.tb01796.x
更新日期:1990-02-01 00:00:00
abstract::Increased activity of the Na+/H+ antiport may be a major abnormality in essential hypertension. The activity of this transport system was investigated in lymphocytes from 13 patients with untreated essential hypertension (Ht) and 13 normotensive control subjects (Nt) on an ad libitum (130-170 mmol d-1) NaCl intake. Fu...
journal_title:European journal of clinical investigation
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1111/j.1365-2362.1994.tb01103.x
更新日期:1994-08-01 00:00:00
abstract:BACKGROUND:Disuse and/or local inflammation in the muscle cannot be excluded as potential influences for the decreased muscle force in patients hospitalised due to an acute chronic obstructive pulmonary disease (COPD) exacerbation. This study aims to compare expression levels of markers of disuse (insulin-like growth f...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.2007.01867.x
更新日期:2007-11-01 00:00:00
abstract::In man, HCl acidosis reduces blood and urinary urea with a concomitant rise in ammonium (NH4+) excretion. Significantly less urea is excreted following NH4Cl administration than following equimolar ingestion of NH4 HCO3. The results of these alterations in nitrogen excretion are interpreted in terms of bicarbonate uti...
journal_title:European journal of clinical investigation
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1111/j.1365-2362.1977.tb01655.x
更新日期:1977-12-01 00:00:00
abstract::Endothelin-1 is a recently described endothelium-derived vasoconstricting peptide. Plasma concentrations of immunoreactive (IR-) endothelin were investigated in six healthy young men applying a radioimmunoassay after extraction of endothelin from plasma. In venous plasma a mean concentration of 1.3 +/- 0.4 pmol l-1 wa...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.1990.tb01892.x
更新日期:1990-10-01 00:00:00
abstract::Critical illness is an aetiologically and clinically heterogeneous syndrome that is characterised by organ failure and immune dysfunction. Mortality in critically ill patients is driven by inflammation-associated organ damage and a profound vulnerability to nosocomial infection. Both factors are influenced by the acti...
journal_title:European journal of clinical investigation
pub_type: 杂志文章,评审
doi:10.1111/eci.13028
更新日期:2018-12-01 00:00:00
abstract:BACKGROUND:In inflammatory bowel diseases, changes in autonomic enteric regulation may also affect neural cardiovascular control. However, while cardiac autonomic modulation has been shown to be impaired in active ulcerative colitis, the occurrence of cardiovascular autonomic alterations, also in the quiescent phase of...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.2007.01887.x
更新日期:2007-12-01 00:00:00
abstract:BACKGROUND:To evaluate the inflammatory axis mediated by tumour necrosis factor-like weak inducer of apoptosis (TWEAK) and its scavenger receptor CD163 during pregnancy and their influence on insulin sensitivity in normal pregnancy and in gestational diabetes mellitus (GDM). MATERIALS AND METHODS:One hundred and thirt...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/eci.12375
更新日期:2015-01-01 00:00:00
abstract:BACKGROUND:The platelet-to-lymphocyte ratio (PLR) has been found to predict clinical outcomes in borderline ovarian tumours and the other genital neoplasms. However, its prognostic value in patients with ovarian cancer remains controversial. The aim of this study was to assess its prognostic value in ovarian cancer. M...
journal_title:European journal of clinical investigation
pub_type: 杂志文章,meta分析,评审
doi:10.1111/eci.12917
更新日期:2018-05-01 00:00:00
abstract:BACKGROUND:Many haemodialysis patients treated with recombinant human erythropoietin (r-HuEPO) receive intravenous iron supplementation on a regular basis. It has been shown previously that this may result in a transient "oversaturation" of transferrin. METHODS:Ten stable haemodialysis patients on r-HuEPO treatment re...
journal_title:European journal of clinical investigation
pub_type: 临床试验,杂志文章
doi:10.1046/j.1365-2362.2002.0320s1036.x
更新日期:2002-03-01 00:00:00
abstract:INTRODUCTION:Smoking is associated with dyslipidaemia, particularly raised plasma triglycerides and reduced high-density lipoprotein (HDL)-cholesterol and a delayed clearance of triglyceride in fat tolerance tests. The aim of this study was to investigate whether these phenomena could be explained by a reduced lipoprot...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1046/j.1365-2362.1998.00328.x
更新日期:1998-07-01 00:00:00
abstract:BACKGROUND:Renal size and function reflect the health of the kidney. These parameters are associated with age, gender and body weight. The kidneys are also influenced by micro- and macrovascular diseases. Atherosclerotic markers and risk factors may influence the age-related changes of renal size and function. METHODS...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1046/j.1365-2362.2003.01091.x
更新日期:2003-01-01 00:00:00
abstract:BACKGROUND:Cancer chemotherapy in humans based on metal complexes started at the clinical level in the late 1970s with the use of cisplatin, which forms intra-strand cross-links with DNA. METHODS:Two new platinum complexes of cis-geometry with the amino acids inosine (ino) and l-alanine (ala), Pt(ino)2Cl2 and cis-[Pt(...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1046/j.1365-2362.2002.00932.x
更新日期:2002-02-01 00:00:00
abstract::The possible association between lipoprotein(a) [Lp(a)] and albumin excretion rate (AER) is a topic that generates conflicting views. In addition, Lp(a) phenotypes have not previously been considered as factors influencing AER. In order to clarify this issue, we studied 70 non-insulin-dependent diabetes mellitus (NIDD...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1046/j.1365-2362.1997.1420684.x
更新日期:1997-06-01 00:00:00