We retrieved 162 patients with malignant hypertension and 34 pati

We retrieved 162 patients with malignant hypertension and 34 patients (17%) fulfilled the predefined criteria for hypertensive encephalopathy. Data on retinal examination were incomplete for 6 patients (18%), thus leaving 28 patients who were analysed for the presence or absence of grade III and IV HRP. In 9 (32%) patients with hypertensive encephalopathy, grade III or IV HRP was absent, 11 (39%) patients presented with grade III and 8 (29%) patients with grade IV retinopathy. Patients without retinal abnormalities were on average 13 years younger (P A-1210477 ic50 = 0.05), more often black (P = 0.02) and displayed lower blood

pressure (BP) values (P = 0.04 for systolic and diastolic BP). A substantial proportion of patients with hypertensive encephalopathy lack grade III or IV HRP. This suggests that the decision to admit these patients should not only rely on the presence of grade III and IV retinopathy alone, but should also include a careful neurological examination. Journal of Human Hypertension (2010) 24, 274-279; doi:10.1038/jhh.2009.82;

published online 29 October 2009″
“NaNbO3 : SrTiO3 interface nanolayers are studied by combining first-principles modeling and experimental approach. The nature of NaNbO3 : SrTiO3 interface is investigated using density-functional theory calculations. Interface parameters are experimentally estimated using analysis of the dielectric response

of SrTiO3 and NaNbO3 epitaxial ABT-737 concentration films and NaNbO3 : SrTiO3 superlattices. It is shown that NaNbO3 : SrTiO3 interfaces can be approximated by dielectric nanolayers with thickness Selleck BEZ235 1-2 nm and with temperature independent permittivity 25-55. Mechanism responsible for the nanolayer formation is the ionic charge mismatch between constituents. (C) 2011 American Institute of Physics. [doi:10.1063/1.3527900]“
“Cadmium interference with Fe nutrition has a strong impact on the development and efficiency of the photosynthetic apparatus. To shed more light on the interaction between Fe and Cd, it was studied how iron given in moderate excess under Cd stress affects the development and functioning of chlorophyll protein complexes. Poplar plants grown in hydroponics up to four-leaf stage were treated with 10 mu M Cd(NO(3))(2) in the presence of 50 mu M Fe((III))-citrate as iron supply (5xFe + Cad) for two weeks. Though leaf area growth was inhibited similarly to that of Cad (10 mu M Cd(NO(3))(2) + 10 mu M Fe((III))-citrate) plants, chlorophyll content, (14)CO(2) fixation and quenching parameters calculated from PAM fluorescence induction measurements were control-like in 5xFe + Cad leaves.

With the exception of Popmesh, which displayed uniform stiffness,

With the exception of Popmesh, which displayed uniform stiffness, other meshes were characterized by a bilinear behavior. Newer meshes were 70-90% less stiff than Gynecare (TM) (p <

0.05) and more readily deformed in response to uniaxial and cyclical loading (p < 0.001).

Relative to Gynecare (TM), the newer generation of prolapse meshes were significantly less stiff, with irreversible deformation at significantly lower loads.”
“To evaluate antiviral potential of adenoviral vector-delivered small interfering RNA (siRNA) against rabies, AR-13324 datasheet recombinant, replication-defective adenoviral vectors (rAdV) encoding siRNAs targeting rabies virus (RV) polymerase (L) and nucleoprotein (N) genes were developed. The siRNAs were delivered as small hairpin RNAs (shRNAs) through these vectors. Treatment of BHK-21 cells with rAdV expressing siRNA targeting L gene

(rAdV-L) and N gene (rAdV-N) (100 MOI) and their subsequent infection with RV (0.001 MOI, RV PV-11), reduced RV fluorescent foci by 48.2% (mean +/- SEM; 48.17 +/- 0.6540, N = 6) and 41.8% NF-��B inhibitor (mean +/- SEM; 41.83 +/- 0.3073, N = 6), respectively, with respect to that of BHK-21 cells treated with rAdV expressing negative control siRNA (rAdV-Neg) indicating inhibition of multiplication of RV in BHK-21 cells in response to adenoviral vector mediated siRNA delivery. Also, the similar treatment of BHK-21 cells with rAdV-L and rAdV-N and similar subsequent infection of them with RV resulted in reduction in RV mRNA transcript levels for their respective targets (RV L gene for rAdV-L and N gene for rAdV-N). mRNA transcript level for RV L gene was reduced by 17.88-fold (mean +/- SEM; 17.88 +/- 0.06638, N = 6) Repotrectinib in cells treated with rAdV-L and that for RV N gene was reduced by 5.7-fold (mean +/- SEM; 5.7 +/- 0.04472, N = 6), in cells treated with rAdV-N, in comparison with

that in cells treated with rAdV-Neg, as analyzed by using real-time PCR. These in vitro studies showed that between these two, adenoviral vector mediated delivery of siRNA targeting RV L gene was comparatively more effective in inhibiting RV multiplication in BHK-21 cells than that of siRNA targeting RV N gene (p < 0.0001). Localized treatment (intramuscular injection in masseter muscle) of mice with 107 plaque forming units of either rAdV-L or rAdV-N and subsequent lethal RV infection (15-20 LD50 of CVS-11) at the same site, through the same route, although resulted in 50% protection (3 out of 6 mice survived) against lethal rabies, the survival patterns for groups of mice treated with either rAdV-L or rAdV-N and that treated with rAdV-Neg did not differ significantly (p = 0.5234).

Treatment and Outcome-At the time left-sided laryngeal paralysis

Treatment and Outcome-At the time left-sided laryngeal paralysis was diagnosed, the clinical signs of laryngeal dysfunction were not considered www.selleckchem.com/products/pci-34051.html severe enough to warrant surgical intervention. No treatment was

administered, and the owner monitored the cat for respiratory distress and worsening of clinical signs for an additional 5 months. During those 5 months, the clinical signs improved but persisted. Seven months after PDA ligation, the cat was again sedated and the larynx examined. The examination revealed persistent left arytenoid dysfunction, which was believed to be the result of permanent damage to the recurrent laryngeal nerve that was sustained during the surgical ligation of

the PDA. The owner was counseled about surgical and medical treatment options for laryngeal paralysis but elected to forego treatment at that time.

Clinical Relevance-Unilateral laryngeal paralysis caused by iatrogenic damage to the recurrent laryngeal nerve is a potential complication subsequent to surgical ligation of a PDA. The frequency of iatrogenically induced laryngeal paralysis is likely underestimated in small animal patients. Laryngoscopy should be performed in any small animal with a history of PDA attenuation and clinical signs of respiratory tract disease.”
“Molecular dynamics simulations of nanoscratching processes were used to study the atomic-scale removal mechanism of single crystalline silicon in chemical mechanical polishing (CMP) process and VX-765 datasheet particular AZD1152 order attention was paid to the effect of scratching depth. The simulation results under a scratching depth of 1 nm showed that a thick layer of silicon material was removed by chip formation and an amorphous layer was formed on the silicon surface after nanoscratching. By contrast, the simulation results with a depth of 0.1 nm indicated that just one monoatomic layer of workpiece was removed and a well ordered crystalline surface was obtained, which is quite consistent with previous CMP

experimental results. Therefore, monoatomic layer removal mechanism was presented, by which it is considered that during CMP process the material was removed by one monoatomic layer after another, and the mechanism could provide a reasonable understanding on how the high precision surface was obtained. Also, the effects of the silica particle size and scratching velocity on the removal mechanism were investigated; the wear regimes and interatomic forces between silica particle and workpiece were studied to account for the different removal mechanisms with indentation depths of 0.1 and 1 nm.”
“Aim: Aim of this retrospective study was to analyze the effect of closed-loop stimulation (CLS) and DDD pacing mode on autonomic balance, and to evaluate heart rate variability (HRV) during CLS stimulation.

This showed that platelet counts and BUN level were significant f

This showed that platelet counts and BUN level were significant factors (Platelet; p = 0.042, BUN; p = 0.043 ANOVA with resolving group). Conclusions. CDK inhibitor Nafamostat mesylate has a similar profile of anti-coagulative activity to heparin. It is assumed, however, that nafamostat has an affirmative effect on the recovery of damaged sites following the onset of cerebral hemorrhage. It is an anti-coagulant that can be safely used for hemodialysis following the onset of cerebral hemorrhage.”
“The partial

hydrogenation of benzene by a Pt nano-cluster/N-n-propyl chitosan hybrid membrane was investigated in this article. Monodispersed Pt nano-clusters were prepared by the reduction of H(2)PtCl(6) with ethylene glycol under microwave conditions. TEM, FTIR, XRD, (1)H-NMR, and XPS were used to characterize the structure of Pt nano-particles, N-n-propyl chitosan and Pt/N-n-propyl chitosan hybrid membrane, respectively. Experimental results showed that Pt/N-n-propyl chitosan hybrid membrane catalyst gave a high selectivity for cyclohexene of 85.2% in the liquid phase hydrogenation of benzene, while the selectivity of cyclohexene was only 58.2% over the Pt/chitosan hybrid membrane catalyst. It was worth noting that there was no cyclohexene in the product when the catalyst was only Pt nano-particles without chitosan hybrid membrane. So the chitosan or

modified-chitosan membranes www.selleckchem.com/products/DAPT-GSI-IX.html played an important role in the controlling to the hydrogenation of benzene, and the relationship of the swelling degree and the catalytic activity was discussed in detail. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 123: 2140-2146, 2012″
“Phosphatidylserine (PS) has many important biological roles, but little is known about its role in plants, partly because of its low abundance. We show here that PS is enriched

in Arabidopsis floral selleck compound tissues and that genetic disruption of PS biosynthesis decreased heterozygote fertility due to inhibition of pollen maturation. At1g15110, designated PSS1, encodes a base-exchange-type PS synthase. Escherichia coli cells expressing PSS1 accumulated PS in the presence of L-serine at 23 degrees C. Promoter-GUS assays showed PSS1 expression in developing anther pollen and tapetum. A few seeds with pss1-1 and pss1-2 knockout alleles escaped embryonic lethality but developed into sterile dwarf mutant plants. These plants contained no PS, verifying that PSS1 is essential for PS biosynthesis. Reciprocal crossing revealed reduced pss1 transmission via male gametophytes, predicting a rate of 61.6% pss1-1 pollen defects in PSS1/pss1-1 plants. Alexander’s staining of inseparable qrt1-1 PSS1/pss1-1 quartets revealed a rate of 42% having three or four dead pollen grains, suggesting sporophytic pss1-1 cell death effects. Analysis with the nuclear stain 4′, 6-diamidino-2-phenylindole (DAPI) showed that all tetrads from PSS1/pss1-1 anthers retain their nuclei, whereas unicellular microspores were sometimes anucleate.

Both sesquiterpenes and curcuminoids exhibit great potential as t

Both sesquiterpenes and curcuminoids exhibit great potential as therapeutic agents for various diseases including colon cancer, pancreatic cancer, diabetes and Alzheimer’s disease. Particularly, curcumin, one of the major curcuminoids of turmeric, has been proved to be effective in cancer treatment and prevention by recent phase I clinical trials. Selleckchem RG 7112 In order to ensure the efficacy and safety of turmeric in clinical applications, sensitive and accurate analytical methods are of significance for the comprehensive quality control of C. longa. This review summarizes recent progress in the chemical analysis of sesquiterpenes and curcuminoids in

turmeric.”
“Papillary thyroid cancer (PTC) is the most common histologic type of differentiated thyroid cancer. The first site of metastasis is the cervical lymph nodes (LNs). The ultrasonography (US)

is the eFT-508 best diagnostic method for the detection of cervical metastatic LNs. We use a new technique, B-flow imaging (BFI), recently used for evaluation of thyroid nodules, to estimate the presence of BFI twinkling signs (BFI-TS), within metastatic LNs in patients with PTC. Two hundred and fifty-two patients with known PTC were examined for preoperative evaluation with conventional US and BFI. Only 83 with at least one metastatic LN were included. All patients included underwent surgery; the final diagnosis was based on the results of histology. The following LN characteristics were evaluated: shape, abnormal echogenicity, absent hilum, calcifications, cystic appearance, peripheral vascularization, and BFI-TS. A total of 604 LNs were analyzed. Of these, 298 were metastatic, according to histopathology. The BFI-TS showed high values of specificity (99.7%) and sensitivity (80.9%). The combination of each conventional US sign with the BF-TS increases the specificity. Our findings suggest that BFI can be helpful in the selection

of suspicious neck LNs that should be examined at cytologic examination for accurate Ruboxistaurin order preoperative staging and individual therapy selection.”
“Diabetic muscle infarction (DMI) is a rare complication that often exists in long-standing diabetic patients. Clinically, it presents with pain, swelling and sometimes a palpable mass, and is often misdiagnosed as soft tissue infection. The athogenesis of DMI is uncertain. We present the case of a type 2 diabetic patient with liver cirrhosis who was diagnosed with muscle infarction after being treated with terlipressin for gastrointestinal bleeding. This 45-year-old male complained of increasing pain in his right posterior thigh after treatment with terlipressin for 2 days. He was initially diagnosed with soft tissue infection, but he responded poorly to antibiotic treatment. Magnetic resonance imaging suggested acute muscle infarction. We performed a muscle biopsy and the pathologist reported that the muscle was necrotic. After 5 days of bed rest, the patient was able to walk and was discharged uneventfully.

Design Cross-sectional descriptive study

Sample

Design Cross-sectional descriptive study.

Sample selleck inhibitor Population-Veterinarians and veterinary students in the United

States.

Procedures-Veterinary students and veterinarians in any area of practice were solicited to participate in an online survey through invitation letters sent to various veterinary associations. Proportions of respondents assigning high importance to various factors were analyzed for differences among gender, age, and background groups.

Results-1,216 responses were received. In general, survey respondents indicated that RVP could be characterized as the practice of veterinary medicine in any community where agriculture represented a significant part of the local economy. Responses also indicated ML323 that RVP should not be confused with large animal or food animal exclusive practice. Most respondents (38.9%) developed an interest in RVP early in life (before 8th grade), with 13.0% reportedly developing their interest in RVP during veterinary school. The most highly ranked factors with regard to influence on developing an interest in RVP were having relatives with a farm background, having a veterinarian in RVP as a mentor, and exposure to RVP during veterinary school. Gender, generational category, background (rural vs urban), and livestock experience were significantly associated with when respondents developed

an interest in RVP and with factors important in developing that interest.

Conclusions and Clinical Relevance-Results of the present study suggested that various factors are associated with interest in and choosing a

career in RVP. These factors should be considered when strategies for increasing BI 10773 manufacturer interest and encouraging careers in RVP are planned. (J Am Vet Med Assoc 2010;236:849-857)”
“Objective-To identify factors associated with veterinarians leaving a career in rural veterinary practice (RVP).

Design-Cross-sectional descriptive study.

Sample Population-Veterinarians from the United States who no longer worked in RVP.

Procedures-Veterinarians in any area of practice were solicited to participate in an online survey through invitation letters sent to various veterinary associations. Those who indicated that they had left RVP were asked to rank the importance of various potential factors in their decision to leave RVP.

Results-805 responses were obtained from veterinarians who had worked in RVP, of which 246 (30.6%) had left RVP. Most (231/246 [93.9%]) of those who reported leaving RVP had been in practice > 5 years, and 75.2% (185/246) had been in practice > 12 years. Eighty-three 133.7%) who left RVP pursued careers in urban areas, 72 (29.3%) entered academia, and 7 (2.8%) retired. Reasons for leaving RVP ranked by the highest proportions of respondents as being of high importance were emergency duty, time off, salary, practice atmosphere, and family concerns.

The results indicate substantial differences between the analyzed

The results indicate substantial differences between the analyzed data, which point out the needs of differentiated actions for providing adequate pharmaceutical care.”
“Chorioamnionitis is the inflammatory response to an acute inflammation of the membranes and chorion of the placenta. We provide a critical review of the relationship between chorioamnionitis and the risk of prematurity and adverse maternal-fetal outcome. Chorioamnionitis results as a major risk factor for preterm birth and its incidence is strictly related to gestational age. It is associated with a significant maternal, perinatal and long-term

adverse outcomes. check details The principal neonatal complications are neonatal sepsis, pneumonia, bronchopulmonary dysplasia, perinatal

death, cerebral palsy and intraventricular hemorrhage. The role in neonatal outcome is still controversial and more conclusive studies could clarify the relationship between chorioamnionitis Saracatinib inhibitor and adverse neonatal outcome. Maternal complications include abnormal progression of labour, caesarean section, postpartum hemorrhage, abnormal response after use of oxytocin and placenta abruption. Prompt administration of antibiotics and steroids could improve neonatal outcomes.”
“”"Evaluation of Acute Oral Toxicity and Diuretic Activity of Rudgea viburnoides (Cham.) Benth. (congonha-de-bugre)”". Rudgea viburnoides is popularly used as anti-hypertensive, anti-rheumatic, antissifilitic, blood depurative and for treatment of dyspepsia (leaves, bark, tea). The

acute toxicity of ethanolic extract (EEBFRV) in single dose was performed by gavage of doses of 2000 and 5000 mg/kg in Swiss mice and Wistar rats, both sexes, by the class test. To diuretic activity YM155 in Wistar rats, it was used the EEBFRV at the doses of 40, 80 and 160 mg/kg, furosemide 20 mg/kg (control +), and saline solution 0.9 % (control -). Regarding acute toxicity, no mortality and no toxicity signs at the dose levels were observed, indicating low toxicity of the extract. The EEBFRV showed statistically significant dose-dependent diuretic effect in 24 h, increasing all parameters evaluated (24h urine volume, excretion of Na(+), K(+) and Cl(-) electrolytes, urea (BUN) and creatinine). Thus, the results so far may justify the popular use of Rudgea viburnoides as diuretic.”
“The high incidence of neonatal sepsis worldwide and the considerably high mortality rate of severe sepsis and septic shock call for an earlier diagnosis and more accurate monitoring of the disease.

Representative compounds were evaluated as potential antimicrobia

Representative compounds were evaluated as potential antimicrobial agents. The most promising compound in this series, https://www.selleckchem.com/products/BafilomycinA1.html the N-(1-naphthyl)-3-amino-5-hydroxy-4-phenyl-1H-pyrazole-1-carboxamide 2f, was the most effective against the reference strains of pathogenic S. aureus ATCC 25923 and S. aureus ATCC 6538 or opportunistic S. epidermidis ATCC 12228 with MIC value of 7.81

mu g/ml and against the other Gram-positive species with MIC values 15.63-31.25 mu g/ml. This compound also showed high activity against clinical isolates of MSSA (methicillin-sensitive Staphylococcus aureus) with MIC of 0.98-31.25 mu g/ml and MRSA (methicillin-resistant Staphylococcus aureus) with MIC of 1.96-7.81 mu g/ml.”
“Purpose:

An ethanolic extract of Nigella sativa L. (EE-NS) was investigated for its antioxidant properties and radioprotective effects against g-radiation-induced oxidative damage.

Materials and methods: The radical scavenging activity of the extract was measured by 2,2-diphenyl-1-picrylhydrazyl (DPPH), deoxyribose degradation and plasmid relaxation assays in a cell-free system. DNA damage click here studies were performed using a single cell gel electrophoresis (SCGE) assay and micronuclei (MN) formation. Moreover, the alterations in lipid peroxidation and antioxidant enzymes were measured by biochemical methods.

Results: EE-NS showed significant free radical scavenging and protection against DNA XAV939 damage in cell free systems. Ex vivo treatment of mouse splenic lymphocytes with an ethanolic extract of N. sativa 1 h prior to irradiation (2 Gy) showed significant prevention of the formation of lipid-peroxides and intracellular reactive oxygen species (ROS), which correlated with radiation-induced

apoptosis. Moreover, radiation-induced DNA damage was significantly prevented in splenocytes pre-treated with EE-NS. Swiss albino mice fed orally with the different doses of EE-NS (0-100 mg/kg bw) for five consecutive days followed by 2 Gy whole body irradiation (WBI) showed significant protection against oxidative injury to spleen and liver as measured by lipid peroxidation and the activity of antioxidant enzymes. These results were correlated with the prevention of DNA damage as measured by bone marrow micronuclei assay. Our results suggest that oral feeding of extract resulted in increased survival in mice exposed to WBI (7.5 Gy).

Conclusion: The results obtained from the different experimental systems suggest the radioprotective ability of EE-NS involving prevention of radiation-induced oxidative damage.

We numerically simulated pattern formation of a forsterite (Mg(2)

We numerically simulated pattern formation of a forsterite (Mg(2)SiO(4))-chondrule in the melt droplet using a phase-field method. Because of the large surface-to-volume ratio, the surface cooling term was introduced in the framework of this method. We reproduced an unique crystal

growth pattern inside the droplet composed of two distinguishable parts; the rim that covers whole droplet surface, and dendrite inside the droplet. It was found that the rim was formed when there is a large temperature difference of similar to 100 K between the center and surface of the droplet due to the large cooling flux at the surface. In order to obtain the temperature difference, we derived temperature distribution BAY 1895344 clinical trial of the droplet analytically, and concluded that the rim was formed only when the droplet cools rapidly at a rate of R(cool) similar to 10(3) K s(-1). However, when the surface cooling was so large as the temperature at the droplet center still remains above the melting point, no dendrite was obtained, though the rim was formed. The double structure captures the distinctive features of barred-olivine textures observed in natural chondrules. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3504655]“
“Proposal

of the archaea as a discrete domain shed new light on the central problems of early evolution of life and prokaryotic systematics. Recently new amino acid synthesis pathways and new amino acid synthases have been found in archaea from its genome database. The cysteine biosynthesis

of many organisms has been studied well and seems to be a crucial metabolic pathway 3-deazaneplanocin A datasheet supplying a building block for de novo protein synthesis. The pathway of cysteine biosynthesis of archaea remains to be elucidated. From the characterization of cysteine synthase of hyperthermophilic archaea Aeropyrum pernix, new enzyme O-phosphoserine sulfhydrylase (OPSS: EC 2.5.1.65) which catalyzes the new reaction of synthesis of cysteine from O-phospho-L-serine and sulfide was found. From the finding of OPSS, new pathway for cysteine synthesis was pointed out in archaea and its application has been expected. The unique substrate specificity BKM120 and characteristics of OPSS seem to be applicable for many fields. In this review, the application of the enzyme and new cysteine synthesis pathway are discussed together with structural study. (C) 2009 Elsevier B.V. All rights reserved.”
“Background:

Renal transplant recipients may have comorbidities requiring anticoagulation or antiplatelet therapy. While the effects of warfarin may be neutralized with plasma infusion, those of aspirin and clopidogrel are not easily reversible and may be associated with an increased risk of bleeding. We conducted this study to evaluate the risk of bleeding complications in patients receiving perioperative anticoagulation or antiplatelet therapy.


“Objective: Hereditary hearing impairment is a genetically


“Objective: Hereditary hearing impairment is a genetically heterogeneous disorder. In spite of this, mutations in the GJB2 gene, encoding connexin 26 (Cx26). are a major cause of nonsyndromic recessive IPI-549 nmr hearing loss in many countries and are largely dependent on ethnic groups. The purpose of our study was to characterize the type and prevalence of GJB2 mutations among Azeri population of Iran.

Methods: Fifty families presenting autosomal recessive nonsyndromic hearing loss from Ardabil province of Iran were studied for mutations in GJB2 gene. All DNA samples were screened for c.35delG mutation by ARMS PCR. Samples from patients

who were normal for c.35delG were analyzed for the other variations in GJB2 by direct sequencing. In the absence of mutation detection, GJB6 was screened for the del(GJB6-D13S1830) and del(GJB6-D13S1854).

Result: Thirteen families demonstrated alteration in the Cx26 (26%). The 35delG mutation was the most common one, accounting for 69.2% (9 out of 13 families). All the detected families were homozygous for this mutation. Two families were homozygous for delE120 and 299-300delAT mutations. We also identified a novel mutation: c.463-464 delTA in 2 families resulting in a frame shift mutation.

Conclusion: Our results suggest that c.35delG mutation in the GJB2 gene is the most important

cause of GJB2 related deafness in Iranian Azeri population. (C) 2011 Elsevier Geneticin mw Ireland Ltd. All rights reserved.”
“Background and Objectives: As a result of the development of sophisticated MM-102 techniques, such as multiple imputation, the interest in handling missing data in longitudinal studies has increased enormously in past years. Within the field of longitudinal data analysis, there is a current debate on whether it is necessary to

use multiple imputations before performing a mixed-model analysis to analyze the longitudinal data. In the current study this necessity is evaluated.

Study Design and Setting: The results of mixed-model analyses with and without multiple imputation were compared with each other. Four data sets with missing values were created one data set with missing completely at random, two data sets with missing at random, and one data set with missing not at random). In all data sets, the relationship between a continuous outcome variable and two different covariates were analyzed: a time-independent dichotomous covariate and a time-dependent continuous covariate.

Results: Although for all types of missing data, the results of the mixed-model analysis with or without multiple imputations were slightly different, they were not in favor of one of the two approaches. In addition, repeating the multiple imputations 100 times showed that the results of the mixed-model analysis with multiple imputation were quite unstable.