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PubMed2003

[Quantitative simulation on the vertical distribution of soil organic matters in mountainous soil profiles in the subtropical area, south China].

Quantitative descriptions of soil organic matter (SOM) dynamics, i.e., their distribution, turnover and movement, are essential for the running of the simulation of terrestrial ecosystem organic matter models. In this study, based on utilizing SOM diffusion-translation-decomposition model, two soil profiles were selected in different vegetation zones at Dinghushan Mountain for quantitative studies on SOM dynamics and their controlling factors. SOM were divided into three kinds of compartments: rapid compartment with turnover rate of 0.1-1.yr-1, slow compartment with turnover rate of 0.002-0.02.yr-1, and stable compartment with turnover rate of 0.0001-0.001.yr-1. The numerical results suggested that SOM distribution in soil profile in subtropical mountainous areas of south China obeyed the law of diffusion motion, translation motion and decomposition. The turnover rate of SOM rapid compartment was 0.483.yr-1 in the forest vegetation zone, and was 0.694.yr-1 in the shrub vegetation zone. The turnover rates of SOM slow compartment in the two kinds of vegetation zones were both 0.02.yr-1, and the turnover rates of SOM stable compartment in the two kinds of vegetation zones were both 0.001.yr-1. SOM diffusion rate and translation rate for the forest vegetation zone was 4 cm2.yr-1 and 0.2 mm.yr-1, respectively, and the two rates of the shrub vegetation zone were 1 cm2.yr-1 and 0.5 mm.yr-1, respectively. The obvious discrepancy between numerical values and measuring values for SOM content occurred in the 0-10 cm sections of the profiles, which might be due to the fact that the upper sections were at the interface between lithosphere and atmosphere, and were influenced directly by changes of climatic and environmental factors. The two kinds of values for SOM content were identical below the upper section of the profiles, and it indicated stable pedogenesis environments. Diffusion motion had obvious influences on SOM vertical distribution, and translation motion had clear impacts on SOM distribution only in the upper 0-10 cm section. Comparison analysis suggested that SOM dynamics were controlled mainly by soil profile qualities such as SOM content, clay content, soil fabric, void types and their developments, soil fauna and microorganism activities, etc. With the increasing of primary production of aboveground vegetation, the turnover rate of SOM rapid compartment decreased and SOM content increased, which provided scientific basis for increasing soil carbon sink through anthropogenic effects.

Diffusion↗
PubMed2003

[NO3(-)-N leaching and distribution in soil profile in dry highland of Loess Plateau under long-term fertilization].

The NO3(-)-N accumulation and distribution in soil profile of Loess Plateau dry highland were studied by long-term field trials. The results showed that NO3(-)-N was accumulated in the soil profile under N-fertilization. Application of P-fertilizer or organic manure reduced the NO3(-)-N content and its leaching depth in the soil profile. The deepest depth of NO3(-)-N accumulation was 120-200 cm under N treatment, and the peak of the accumulation was the highest in NPM treatment, with the depth of 60-120 cm. The NO3(-)-N accumulation depth was 80-140 cm for NP. Without nitrogen application, there was no evident accumulation of NO3(-)-N in soil profile. The more nitrogen used, the more NO3(-)-N accumulated in soil profile. Under the same nitrogen application rate, NO3(-)-N accumulation might decrease with increasing P application.

Fertilizers↗
PubMed2003

Optimizing query response with XML user profile in mobile clinical systems.

Improvements of modern mobile technology, have created a need for a mobile clinical environment. In the field of mobile clinical systems, getting information on time is as important as mission critical aspects. However, web access time with the mobile device is still not feasible clinically. Therefore, the optimisation of query response becomes an important issue. We have developed a query optimising method using a user profile. We analysed user (clinician) specific queries in the medical field. Most of the data retrieval in the medical field is focused on the clinical test results, and the patient inverted exclamation mark s demographic information. Sometimes the information requested in the medical field places a heavy load on the database, since such information may require full database scanning and much joining of tables in the databases. In such cases, constructing profile data and employing it for data retrieval would help to improve the response time. The use of a predefined profile avoids the multiple joining process, and shortens the total response time. The object of our research is to improve query response by creating user profiles and using this profile information for patient data retrieval.

Hospital Information Systems↗
PubMed1992

Synaptic interactions between GABA-immunoreactive profiles and the terminals of functionally defined myelinated nociceptors in the monkey and cat spinal cord.

This study analyzes the synaptic interactions between the central terminals of A delta high threshold mechanoreceptors (A delta HTMs) and GABA-immunoreactive profiles. A delta HTM primary afferents from three monkeys and one cat were electrophysiologically identified and intracellularly labeled with HRP, and their terminal arborizations in laminae I and II of the sacrocaudal spinal cord were studied at the ultrastructural level. GABA-immunoreactive profiles in relation to A delta HTM terminals were demonstrated using postembedding colloidal gold techniques. Monkey A delta HTM terminals (n = 131) usually constituted the central element of synaptic glomeruli; they established large asymmetric synaptic contacts with 1-13 dendrites (modal value 2-4) and were surrounded by 0-6 peripheral axon terminals (modal value 2-3). The large majority (around 85%) of the peripheral axon terminals were GABA immunoreactive. They were found presynaptic to the A delta HTM terminal and/or to dendrites postsynaptic to the primary afferent terminal. Furthermore, all peripheral axon terminals found presynaptic to the A delta HTM terminals showed GABA immunoreactivity. Within a single A delta HTM fiber, this synaptic arrangement was found in 20-60% of its boutons. In addition, 28% of the postsynaptic dendritic profiles displayed weak GABA immunoreactivity. Some of them contained vesicles; however, only in a few cases did we observe synapses between a GABA-immunoreactive vesicle-containing dendrite and a dendritic profile postsynaptic to an A delta HTM terminal. Similar synaptology and interactions with GABA-immunoreactive profiles were displayed by the terminals of the single cat A delta HTM fiber studied. Our data support the hypothesis that GABA-containing neurons use both presynaptic and/or postsynaptic mechanisms to exert a powerful control, presumably inhibitory, over the transmission of nociceptive information between A delta HTM afferents and second-order neurons in monkey and cat spinal cord. Our results also imply that GABA may be released within the synaptic glomeruli formed by A delta HTM terminals either by local dendrites or by axon terminals. We discuss the possibility that these GABAergic synapses can be driven by inputs from both primary afferents and/or descending systems to modulate the transmission of nociceptive sensory information.

Animals↗
PubMedDate not supplied

Uric acid profile in patients with chronic nonspecific musculoskeletal pain.

BACKGROUND: The present study was undertaken to determine the uric acid profile in patients with unexplained chronic musculoskeletal complaints, and to establish any possible causal role for altered uric acid profile in such patients. METHOD: A comparative study of 36 patients and 36 controls of both sexes and ages between 25-60 years was carried out at Shaikh Zayed Hospital, Lahore from November 2001-May 2002. Patient included were those who had at least 4-24 weeks duration of complaints. Uric acid profile for serum uric acid, uric acid excretion, uric acid clearance and total uric acid production was done. Additional tests included renal functions test, liver function test, cardiac enzymes, haematology and serology to exclude other underlying causes of complaints. RESULTS: Mean serum uric acid levels were higher in patients as compared to controls (p = 0.05), with 9 (25%) patients showing hyperuricemia. Uric acid clearance (female patients 5.86 +/- 0.42 ml/min, female controls 8.06 +/- 0.24 ml/min) and daily uric acid excretion (female patients 412.38 +/- 28.52 mg/24 hours, female controls 487.79 +/- 18.64 mg/24 hours) in female patients was significantly lower than control females (P = 0.034 and P < 0.001 respectively). Twenty patients (55.55%, 3 males and 17 females) were classified as under excretors of uric acid, while there were no under excretors in the control group (p < 0.001). CONCLUSION: We conclude that abnormalities of uric acid profile, particularly under excretor status may be an underlying biochemical abnormality in a significant number of patients. Female patients appear more predisposed to abnormal uric acid profile such as hyperuricemia and under excretor status.

Adult↗
PubMed1998

[The change of soft tissue profile before and after treatment with Begg technique]

OBJECTIVE:This study was to determine the facial soft tissue profile changes Begg technique after treatment. METHODS: 32 patients presented with Angle Class II divide I malocclusion. Lateral cephalograms were taken before treatment and after each treatment stage.Each experimental subject served as its own control by means of cephalometric analysis. RESULTS: Significant soft tissue profile improvement could be expected from first stage to second stage.But third stage of orthodontic treatment had little effective for the profile changes.The soft tissue profile changes which occured during treatment were (1) a retraction of lips and a reduction in the prominence of the lips.(2) an increase of nose prominence. (3) vertical opening at the chin. CONCLUSION: Begg technique was more close to clinical requirement in improvement of soft tissue profile.Achieved a harmony of soft tissue profile must be emphasized as an orthodontic treatment goal during second stage,then establishment of a proper occlusion would be finished.

Journal Article↗
PubMedDate not supplied

MR imaging of the superior profile of the midbrain: differential diagnosis between progressive supranuclear palsy and Parkinson disease.

BACKGROUND AND PURPOSE: Quantitative evaluation of midbrain atrophy may be useful in differentiating progressive supranulear palsy (PSP) from Parkinson disease (PD); however, this finding is not specific of PSP, and quantitative measurements are not always practical. We determined whether an abnormal superior midbrain profile (flat or concave aspect) is a more practical diagnostic parameter for PSP. METHODS: MR imaging studies of 25 patients with PSP and 27 with PD were reviewed by means of five parameters: midbrain superior profile on midsagittal T1-weighted images, midbrain atrophy, tegmental abnormal T2 hyperintensity, abnormal T2 putaminal hypointensity or hyperintensity on axial proton density-weighted images. We also measured the anteroposterior diameter of the midbrain on axial T2-weighted sections at the level of the superior colliculus. RESULTS: The finding of an abnormal superior profile of the midbrain had 68% sensitivity and 88.8% specificity. Midbrain atrophy had 68% sensitivity and 77.7% specificity. Tegmental T2 hyperintensity had 100% specificity but poor sensitivity (28%). Only 14.8% of patients with PD and 24% of those with PSP had abnormal putaminal T2 hypointensity; none had proton-density hyperintensity. With PSP, the average midbrain diameter was smaller than that with PD, but an important overlap was observed. Reader discordance was lower for the midbrain superior profile sign (eight of 52 cases); this was similar for tegmental hyperintensity (nine of 52 cases) and higher for midbrain atrophy (16 of 52 cases). CONCLUSION: An abnormal superior profile of the midbrain facilitates the distinction of PSP from PD and may support the clinical differential diagnosis of parkinsonism.

Aged↗
PubMed2004

[Sports requiring stressful physical exertion cause abnormalities in plasma lipid profile].

OBJECTIVES: To study the effect of different types of sports on plasma lipid profile. Subjects and method. Fasting plasma levels of total, LDL- and HDL-cholesterol (TC, LDLc, HDLc), triglycerides, phospholipids, apo A-I, apo B-100, and Lp(a) were measured in 28 swimmers, 17 volleyball players and 23 soccer players, and in a control group. All subjects participated in official national competitions except the control group. The results were compared to those in a control group of 26 healthy sedentary subjects. All groups were matched according to age, body mass index and nutritional status. Cutoff points to classify subjects with high plasma concentrations of Lp(a) and LDLc were 32 mg/dL and 128 mg/dL, respectively. For other variables the cutoff points were the third quartile values recorded in the control group, except for apo A-I and HDLc, for which we used the first quartile values. RESULTS: Persons who practice sports involving a high level of physical exertion (volleyball and soccer players) had a less favorable lipid profile compared to control subjects. In contrast, swimmers had a more favorable lipid profile. The odds ratio for lipid profile anomalies was significantly higher in volleyball and soccer players, and lower in swimmers. In the former two groups we observed a clear tendency toward simultaneous elevations in LDLc, apo B-100 and Lp(a). In contrast, the opposite interaction was seen in swimmers, who had lower values for all lipids. CONCLUSION: Our results show that stressful physical exertion can lead to abnormalities in plasma lipid profile.

Adult↗
PubMed2004

The effect of Vigabatrin, Lamotrigine and Gabapentin on the fertility, weights, sex hormones and biochemical profiles of male rats.

PURPOSE: A case control study was conducted to assess the effect of Sabril (Vigabatrin), Lamictal (Lamotrigine) and Neurontin (Gabapentin) on fertility in male rats. Their effect on the body and organs weight and certain biochemical profiles including total serum protein, cholesterol, triglycerides, serum glutamic oxaloacetic transaminase (SGOT), serum glutamic pyruvic transaminase (SGPT), serum testosterone, and FSH levels were also measured. METHODS: several parameters, concerning fertility were measured in 40 albino male rats of Sprague Dawley strain, they were divided into 4 groups, group one received vehicle (distilled water), group two received Vigabatrin in a dose of 200 mg/kg body weight, group three received Lamotrigine in a dose of 30 mg/kg body weight, and group four received Gabapentin 100 mg/kg body weight. All the male rats in these groups received the different medications for a complete reproductive cycle (60 days). After 24 hours of the last dose, the animals were weighed and autopsied under light ether anesthesia. Parameter of fertility that has been measured in this study includes: sperm count and motility, weight of different reproductive organs, germ cell and interstitial cell population, serum testosterone and FSH levels and assessment of pregnancies in females mixed with tested males. Biochemical profiles such as serum cholesterol, serum triglycerides, serum bilirubin, SGOT, SGPT level are all measured. The results of the histological, histometerical studies and biochemical profiles were compared to that of the control group, and the significance of these results was measured using student's "t" test. RESULTS: There was significant reduction in the body weight and the weight of the testes, epididymis, seminal vesicles, ventral prostate, and vas deferens in the antiepileptic fed male rats in comparison to the control group (p > 0.001). There was significant reduction in testicular cells population dynamics including both germinal cell types and interstitial cell types in the antiepileptic fed male rats in comparison to the control group. There was also significant reduction in histometrical parameters and sperm dynamics in the antiepileptic fed male rats histologies in comparison to the control group. There was significant reduction in both testosterone and FSH levels (p < 0.001) in the antiepileptics fed male rats in comparison to the control group. There was also significant reduction in pregnancy rate observed in female rats exposed to the tested male rats among antiepileptic fed male rats compared to controls. The results of biochemical profiles assessment showed significant reduction in serum glucose, serum cholesterol, serum triglycerides levels and significant increase in serum bilirubin, SGOT, and SGPT levels in antiepileptics fed male rats in comparison to the control group. CONCLUSIONS: Fertility rate and other parameters concerned with fertility, sex hormones and certain biochemical profiles were significantly disturbed in male rats fed with three of the second-generation antiepileptic drugs Vigabatrin, Lamotrigine, and Gabapentin, indicating a possible toxic effect of these three medications on sexual organs, liver, and lipid metabolism.

Amines↗
PubMed2004

Evaluation and comparison of coronary heart disease risk factor profiles of children in a country with developing economy.

OBJECTIVE: To define the risk factors (RF) profile and prevalence rates of high risk factors in an urban Pakistani community and compare it to the RF profile and prevalence rates of Pakistan National Health Survey. METHODS: The present study included RF relevant data of 400 house hold children selected by open invitation as a part of Metroville Health Study (MHS), a risk factor modification study which was a cooperation between National Heart Lung Blood institute (NHLBI) USA and National Institute of Cardiovascular Diseases Pakistan. The base line data of 389 girls and 417 boys age 5-17 was included. PMRC data of 5067 and NHANES III survey data of 10,252 US children was used for comparison with MHS. RF analyzed were height weight, SBP, DBP, BMI and serum cholesterol. Comparisons between MHS and PMRC and US were made by using two tailed student t test and of high RF were defined as those exceeding US standards and expressed as percentages. RESULTS: The RF factor profile of urban Metroville children was worse than the national average of PMRC children. Except for diastolic blood pressure in both boys and girls and SBP in PMRC boys, all other RF were less than US children. Prevalence rates were higher in urban Metroville community, i.e., MHS compared to the PMRC which represents national average data. CONCLUSION: RF profile of Pakistani children has been presented and effect of urbanization demonstrated by comparing the PMRC and MHS RF profile. Hypertension in Pakistani children has emerged as a single most important RF requiring urgent prevention.

Adolescent↗
PubMed2004

[Profile on circadian blood pressure and the influencing factors in essential hypertensive patients after treatment].

OBJECTIVE: To explore the circadian blood pressure (BP) profile and its influencing factors in essential hypertensive patients after treatment. METHODS: Cross-sectional surveillance was carried out in essential hypertensive subjects after treatment whose clinic blood pressure had been under control as 140/90 mm Hg (1 mm Hg = 0.133 kPa) for at least one month. All patients underwent a twenty-four-hour ambulatory blood pressure monitoring device (spacelabs 90207). The nocturnal fall of blood pressure (BP) was calculated from (daytime mean BP-night-time mean BP)/daytime BP, while 'daytime' values were recorded between 6 h and 22 h and 'night-time' values between 22 h and 6 h. Non-dippers were defined as those whose nocturnal decrease in mean systolic BP and/or mean diastolic BP was < 10% of the daytime BP. Binary logistic regression analysis was used to evaluate the correlation between circadian blood pressure profile and factors as gender, age, height, body mass index (BMI), family history of premature cardiovascular disease, women under age 65 or men under age 55, smoking habits, grade of hypertension, and strategy of antihypertensive drugs. RESULTS: 208 treated essential hypertensive patients were enrolled in the study. 79 individuals were dippers and 129 were non-dippers. Data from logistic regression analysis showed that four factors as age, premature family history of cardiovascular disease, overweight or obesity, and strategy of antihypertensive drugs were significantly influencing the circadian blood pressure profile in treated hypertensive patients. The incidence of non-dippers in patients of 70 years of age or older and those between 60 and 69 were 3.3 and 2.3 times of those with less than 60 (P = 0.009 and 0.031, respectively). The prevalence of non-dippers in patients with a premature family history of cardiovascular disease was 3.7 times greater than those in subjects without a premature history of cardiovascular disease (P = 0.029). Similarly, the incidence of non-dippers in patients of overweight (24 </= BMI < 28) and obesity (BMI >/= 28) were 3.0 and 4.8 times of those in subjects of normal weight (P = 0.003 and 0.009, respectively). Compared with patients treated with long-acting calcium channel blockers (CCBs), patients treated with angiotensin-converting enzyme (ACE) inhibitors or angiotensin II receptor blockers (ARBs) alone had less prevalence of nondippers (OR = 0.139, P = 0.010). Patients treated with joint antihypertensive scheme including ACE inhibitors or ARBs(but not including diuretics) had the tendency of lower incidence of abnormal circadian blood pressure rhythm (OR = 0.453, P = 0.118). Patients treated with joint antihypertensive scheme including diuretics (not including ACE inhibitors or ARBs) and with joint antihypertensive strategy including diuretics and ACE inhibitors or ARBs had lower incidence of nondippers (OR = 0.378 and 0.273, respectively; P = 0.030 and 0.011, respectively). CONCLUSIONS: Approximately 2/3 treated essential hypertensive patients had a non-dipper blood pressure profile. Age, premature family history of cardiovascular disease, overweight/obesity, and antihypertensive drugs strategy were correlated with circadian blood pressure profile. Compared with long-acting CCBs, diuretics, ACE inhibitors or ARBs might be helpful in keeping the circadian blood pressure rhythm at normal range.

Adult↗
PubMed1992

Plasmid profiles as an epidemiological marker in Salmonella enterica serovar berta infections. Comparison of isolates obtained from humans and poultry.

Plasmid profiles of 674 Salmonella berta strains isolated in the period 1985-1989 from 674 cases of human infections were recorded. Five hundred and eighty-nine of the strains examined (87.4%) contained plasmids and the mean number of plasmids was 1.8 per strain. Sixteen different plasmid sizes were recognized, 13 of which had also been reported from S. berta of poultry origin. The plasmids formed 90 different profiles. Forty-five of these profiles, comprising 90.7% of isolates, had previously been recorded among poultry strains. Only 12 human isolates (1.8%) carried plasmids which were not demonstrated among isolates obtained from broilers. The prevalences of the 20 most commonly demonstrated profiles were not significantly different among isolates obtained from humans and broilers. The average difference between the prevalences of individual plasmid profiles was 2.1, with a standard deviation of 4.2. Based on the results, indications are that broilers represent the main reservoir for human S. berta infections in Denmark.

Animals↗
PubMed2005

Comparative genomic hybridization profiles in human BRCA1 and BRCA2 breast tumors highlight differential sets of genomic aberrations.

BRCA1 or BRCA2 germline mutations cause approximately 30% of breast cancers within high-risk families. This represents 5% of total breast cancer incidence. Although BRCA1 and BRCA2 are both implicated in DNA repair and genome stability, it is unknown whether BRCA1 and BRCA2 are associated with similar or distinct diseases. In a previous study we reported that BRCA1-related breast carcinomas show a distinct genomic profile as determined by comparative genomic hybridization (CGH). We now hypothesize that, if functionally equivalent, mutations in BRCA1 and BRCA2 would result in similar genomic profiles in tumors. Here we report the chromosomal gains and losses as measured by CGH in 25 BRCA2-associated breast tumors and compared them with our existing 36 BRCA1 and 30 control profiles. We compared all chromosomal regions and determined the regions of differential gain or loss between tumor classes and controls. BRCA2 and control tumors have very similar genomic profiles. As a consequence, and in contrast to BRCA1-associated tumors, CGH profiles from BRCA2-associated tumors could not be distinguished from control tumors using the classification methodology as we have developed before. The largest number of significant differences existed between BRCA1 and controls, followed by BRCA1 compared with BRCA2, suggesting different tumor development pathways for BRCA1 and BRCA2.

Breast Neoplasms↗
PubMed2005

Plasma protein profiling for diagnosis of pancreatic cancer reveals the presence of host response proteins.

Plasma protein profiling using separations coupled to matrix-assisted laser desorption ionization mass spectrometry (MALDI MS) has great potential in translational research; it can be used for biomarker discovery and contribute to disease diagnosis and therapy. Previously reported biomarker searches have been done solely by MS protein profiling followed by bioinformatics analysis of the data. To add to current methods, we tested an alternative strategy for plasma protein profiling using pancreatic cancer as the model. First, offline solid-phase extraction is done with 96-well plates to fractionate and partially purify the proteins. Then, multiple profiling and identification experiments can be conducted on the same protein fractions because only 5% of the fractions are used for MALDI MS profiling. After MALDI MS analysis, the mass spectra are normalized and subjected to a peak detection algorithm. Over three sets of mass spectra acquired using different instrument variables, approximately 400 unique ion signals were detected. Classification schemes employing as many as eight individual peaks were developed using a training set with 123 members (82 cancer patients) and a blinded validation set with 125 members (57 cancer patients). The sensitivity of the study was 88%, but the specificity was significantly lower, 75%. The reason for the low specificity becomes apparent upon protein identification of the ion signals used for the classification. The identifications reveal only common serum proteins and components of the acute phase response, including serum amyloid A, alpha-1-antitrypsin, alpha-1-antichymotrypsin, and inter-alpha-trypsin inhibitor.

Acute-Phase Proteins↗
PubMed2004

Is a modest weight loss significant in the improvement of dyslipidemic patients lipid profile.

AIM: The aim of the present study was to evaluate serum lipid abnormalities and the relationship with various factors in overweight and obese patients and to assess lipid profile modifications subsequent to weight loss in a subgroup of patients. METHODS: A sample of 110 obese out-patients first and a subgroup of 34 subjects afterwards, was selected at the Human Nutrition Research Centre of the University of Pavia for a retrospective analysis. The subjects recruited were all dyslipidemic, according to the American Clinical Guidelines for the assessment of cardiovascular risk. Differences in lipid profiles in subjects with different life habits were evaluated and in a subgroup of 34 subjects compared before and after a short-term moderate hypocaloric diet. RESULTS: Sample's mean age was 46.8+/-12.6 with a mean body mass index (BMI) of 32.1+/-4.8 kg/m2 (no difference with gender). The correlation analyses showed that total cholesterol (TC) concentrations were highly correlated with age (p<0.001); no correlation was found between TC and BMI, waist hip ratio (WHR), % body fat (BF%). Triglycerides (TG) concentrations were not related to age or BMI, however there was a significant correlation between TG and WHR and with waist circumference (WC) (p<0.001). The 34 subjects selected to take part in a dietary regimen, without significant changes in life habits, lost 5.1% of their initial weight and presented a significant improvement (p<0.001) in lipid profile. CONCLUSIONS: The high correlation between lipid profile and anthropometric measurements implies further longitudinal evaluation of the validity of the anthropometric indexes in the dyslipidemic patient management. Indeed, the results suggest that modest weight loss is sufficient to obtain a significant improvement in fasting serum lipid profile of dyslipidemic overweight patients.

Adult↗
PubMed1992

The biophysical profile and the nonstress test: poor predictors of chorioamnionitis and fetal infection in prolonged preterm premature rupture of membranes.

Sixty-eight women admitted with the diagnosis of preterm premature rupture of membranes (PROM) and a latency period of at least 48 hours were followed expectantly. Fetal surveillance consisted of daily kick counts, daily nonstress test (NST), and fetal biophysical profile every 48-72 hours. Patients were delivered as a result of spontaneous labor, clinical chorioamnionitis, fetal distress, or attainment of 37 weeks' gestation. No corticosteroids, tocolytics, or prophylactic antibiotics were used. The last biophysical profile and the last NST before delivery were evaluated for each patient. There was no statistically significant association between chorioamnionitis or fetal infection and the following: 1) a low biophysical profile (score of 6 or lower), 2) a low biophysical profile that included a nonreactive NST and absent fetal breathing movements, or 3) a nonreactive NST. We conclude that the biophysical profile and the NST are poor predictors of perinatal infectious complications.

Adolescent↗
PubMedDate not supplied

[Profiles of the utilization of 20 amino acids as the only source of nitrogen and carbon in bacteria of the genera Klebsiella, Enterobacter, Serratia, Escherichia].

The profiles of the utilization of 20 protein amino acids in 118 Klebsiella pneumoniae sub- sp. pneumoniae, K. oxytoca, K. planticola, K. mobilis, Enterobacter cloacae, Serratia marscescens, S. liquefaciens, Escherichia coli strains isolated from clinical material were studied. The utilization of amino acids was determined on minimal saline agar containing amino acid as the only source of nitrogen and carbon; the results were evaluated after 72-hour incubation at 37 degrees C. 17 profiles of amino-acid utilization were thus determined, most of them genus-specific in enterobacteria: Klebsiella (profiles No. 1--6, 9, 10), Enterobacter (No. 11--13), Serratia (No. 14--16), Escherichia (No. 17). The full coincidence of amino-acid utilization profiles in bacteria of K. mobilis (No. 1, 6) and K. pneumoniae subsp. pneumoniae with out of such profiles in bacteria of the genera Enterobacter, Serratia, Escherichia was established, which confirmed that K. mobilis (formerly Enterobacter aerogenes) belonged to the genus Klebsiella.

Amino Acids↗
PubMed2005

[Risk stratification in pre-hospital management of myocardial infarction with ST elevation: value of a risk score profile].

The aims of this study were to evaluate new tools of risk stratification in an unselected population of myocardial infarction (MI), usable in a pre-hospital situation, and to compare the risk profile of these patients with those of other clinical trials or myocardial infarction registries. The risk scores of death at 30 days (TIMI score and TIMI risk index) based on data available in the context of coronary emergencies, were applied to the population base of the MI observatory of myocardial infarction in the Côte d'Or (RICO). The risk profile was expressed by the smoothed graph of frequency distribution of each score. The TIMI score applied to the RICO population had a high discriminating power (c = 0.80) for mortality whereas TIMI risk index was less powerful (c = 0.57). The risk profile of the RICO population was comparable to that of InTIME II, ASSENT 2 and the NRMI with reperfusion registry. The NRMI without reperfusion and the MAGIC studies had different profiles characterised by a shift in the graph towards high risk patients. The authors conclude that risk stratification scores, like the TIMI score, are valuable tools for early triage in the management of MI patients. The risk profiles allow comparative analysis of risk levels of populations notably with respect to other registries and also with respect to randomised clinical trials.

Aged↗