Materials and Methods: All urology chief residents in the Uni

\n\nMaterials and Methods: All urology chief residents in the United States and Canada in 2008 and 2009 were eligible to participate in this study. In-Service Examination 2008 and Qualifying Examination 2009 performance data were obtained from PARP signaling the American Urological Association and American

Board of Urology, respectively. Data were analyzed with the Pearson correlation and descriptive statistics.\n\nResults: Of the 257 American and Canadian chief residents who completed the Qualifying Examination 2009, 194 (75%) enrolled in this study and were included in analysis. Overall In-Service Examination 2008 scores correlated significantly with Qualifying Examination 2009 scores (r = 0.55, p < 0.001), accounting for 30% of score variance. Substantial variability in In-Service Examination-Qualifying Examination rankings was notable among individual residents. An In-Service Examination 2008 cutoff percentile rank of 40% identified chief residents in the lowest quartile on the Qualifying Examination 2009 with 71% sensitivity, 77% specificity, and a likelihood see more ratio of 3.1 and 0.4 (positive and negative likelihood ratios, respectively).\n\nConclusions: The substantial variability of In-Service Examination-Qualifying Examination performance among individual chief residents limits In-Service Examination predictive utility. A single In-Service Examination score should not be used to make a high stakes judgment about

an individual resident. In-Service Examination scores should be used as 1 part of an overall evaluation program to prospectively identify residents who could benefit from additional educational support.”
“Objective To evaluate the effect of connective tissue disease (CTD) diagnosed during the first trimester on uterine arteries (UtA) Doppler velocities and on pregnancy outcomes. Method Pregnant women were screened for CTDs during the first trimester, using a questionnaire,

testing for autoantibodies, rheumatologic examination and UtA Doppler find more evaluations. Results Out of 3932 women screened, 491 (12.5%) were screened positive at the questionnaire; of them, 165(33.6%) tested positive for autoantibodies, including 66 eventually diagnosed with undifferentiated connective tissue disease (UCTD), 28 with a definite CTD and 71 with insufficient criteria for a diagnosis. Controls were 326 women screened negative for autoantibodies. In logistic analysis, women diagnosed with either UCTD (OR?=?7.9, 95% CI?=?2.327.3) or overt CTD (OR?=?24.9, 95% CI?=?6.792.4), had increased rates of first trimester bilateral UtA notches compared with controls. The rates of bilateral UtA notches persisting in the second (15/94 vs 0/326, p?<?0.001) and third trimesters (7/94 vs 0/326, p?<?.001) were higher among women with CTDs than in controls. The risk of complications (preeclampsia, fetal growth restriction, prematurity, diabetes, fetal loss) was higher (OR?=?7.8, 95% CI?=?3.6-17.0) among women with CTDs than in controls.


“The monitoring and characterization of laser-heated crack


“The monitoring and characterization of laser-heated crack by the laser ultrasonics technique GSK1838705A mw are reported. In comparison with existing studies, where the Rayleigh and bulk skimming waves were generated by laser-induced line source, the point source is used here. Crack closure by thermoelastic stresses modifies the propagation paths of the acoustic rays from a point source to a point receiver.

Thus, the arrival times of the acoustic waves contain useful information on the state of crack closure induced by a particular level of laser heating. An important dependence of the detected signals on the initial width/state of the crack and a presence of local necks/narrowings AZD8186 mw in the crack are revealed. It is demonstrated that the mode conversion of the incident skimming longitudinal bulk waves into the transmitted Rayleigh waves is

very sensitive to imperfectness of cracks closure. The proposed interpretation of the laser-ultrasonics experimental observations is supported by atomic force microscopy measurements. (C) 2013 American Institute of Physics. [http://0-dx.doi.org.brum.beds.ac.uk/10.1063/1.4772644]“
“Objective: Psychological thriving reflects a trajectory of growth over time as opposed to scaling back expectations. Whether thriving is a product, precursor, or process of coping with arthritis-related limitations is unclear. We examined associations between thriving, coping efficacy, and expectations for future growth in individuals with arthritis, and the relations of thriving to depressive symptoms BYL719 solubility dmso and retrospective perceptions of personal growth over a six-month period.\n\nMethods: A sample of 423 people with arthritis

completed measures of thriving, coping efficacy, depressive symptoms, and expectations for future growth; 168 individuals completed a six-month follow-up survey. Structural equation modeling analyses compared three possible models of psychological thriving, controlling for disease. related variables. Hierarchical regression analyses of the cross-lagged associations of thriving with retrospective perceptions of positive personal change and depressive symptoms were also conducted.\n\nResults: Structural equation analyses suggest that the process model in which thriving and coping efficacy jointly predicted expectations for future growth best fit the data. Baseline thriving was also associated with retrospective perceptions of personal growth at follow-up and fewer depressive symptoms at baseline and follow-up, after controlling for disease-related variables.\n\nConclusion: Overall, these findings suggest that psychological thriving is synergistically related to coping efficacy, and to expectations for future growth and less depression, in people with arthritis.

(C) 2010 Wiley Periodicals, Inc “
“Background: Plasma angiop

(C) 2010 Wiley Periodicals, Inc.”
“Background: Plasma angiopoietin (Ang)-2 is associated with disease severity and mortality in adults and children with falciparum malaria. However the mechanism of action of the angiopoietins in selleck chemicals llc fatal malaria is unclear. This study aimed to determine whether the expression of Ang-1 and Ang-2 and their receptor Tie-2 in cerebral endothelial or parenchymal cells was specific to cerebral malaria (CM), correlated with coma or other severe clinical features, and whether plasma and CSF levels of these markers correlated with the clinical and neuropathological features of severe and fatal malaria

in Vietnamese adults.\n\nMethods: Immunohistochemistry was performed for Ang-1, Ang-2 and Tie-2 on post-mortem brain tissue from fatal malaria cases and controls. Quantitative ELISA for plasma and cerebrospinal fluid levels of Ang-1, Ang-2 and Tie-2 was done to compare fatal cases with surviving patients from the same study.\n\nResults: Immunohistochemistry revealed significant differences in expression in endothelial and parenchymal cells compared to controls. However there was no significant difference in expression of these markers on endothelial cells, astroglial cells or neurons between CM and non-cerebral malaria cases. Immunostaining of Ang-1, Ang-2 and Tie-2 was

also not associated with Plasmodium falciparum-infected erythrocyte sequestration in the brain. However Ang-1 and Ang-2 expression in neurons was significantly correlated with the Lapatinib incidence of microscopic haemorrhages. Plasma levels of Ang-2 and Ang-2/Ang-1 ratio were associated with the number of severe malaria complications and were significant and independent predictors of metabolic acidosis and fatal outcome.\n\nConclusions: The independent prognostic significance of Ang-2 and the Ang-2/Ang-1 ratio in severe malaria was confirmed, although immunohistochemistry in fatal cases did not reveal increased expression on brain endothelium in cerebral versus non-cerebral cases. Activation of the Danusertib mw Ang-Tie-2 pathway in severe malaria is therefore related to acidosis, number of severity criteria

and outcome, but is not a specific event in the brain during cerebral malaria.”
“OBJECTIVE: The role of Doppler ultrasonography in the diagnosis of diffuse thyroid diseases is not well established. In particular, Doppler ultrasonography findings in children with Hashimoto’s thyroiditis are very limited. We examined gray-scale and Doppler ultrasound findings in Hashimoto’s thyroiditis in children in an attempt to understand the feasibility of future prospective controlled studies.\n\nMATERIALS AND METHODS: Twenty-one children with newly diagnosed Hashimoto’s thyroiditis were recruited in the study. The patients were euthyroid or had subclinical hypothyroidism at the time of the ultrasonography examination. According to the color Doppler scale developed by Schulz et al.

This finding suggests that the neural organisation underlying the

This finding suggests that the neural organisation underlying the exploitation of bifunctional muscle properties, in the natural context, constrains the system to maintain the “natural” coordination pattern in an altered dynamic environment, even at the cost of reduced biomechanical efficiency. We suggest an important role for afference from the imposed movement in promoting the “natural” pattern. Practical implications for the emerging field of robot-assisted therapy and rehabilitation are briefly mentioned.”
“DNA methylation of coding

regions, known as gene body methylation, is conserved across eukaryotic lineages. The function of body methylation is not known, but it may Selleck Napabucasin either prevent aberrant expression from intragenic promoters

or enhance the accuracy of splicing. Given these putative functions, we hypothesized that body-methylated genes would be both longer and more functionally important than unmethylated genes. To test these hypotheses, we reanalyzed single-base resolution bisulfite sequence data from Arabidopsis thaliana to differentiate body-methylated genes from unmethylated genes using a probabilistic approach. Contrasting genic characteristics between the two groups, we found that body-methylated genes tend to be longer and to be more functionally important, as measured by phenotypic effects of insertional mutants and by gene expression, than unmethylated genes. We also found that methylated genes 5-Fluoracil evolve more slowly than unmethylated genes, despite the potential for increased mutation rates in methylated CpG dinucleotides. We propose that slower rates in body-methylated genes are a function

of higher selective constraint, lower nucleosome occupancy, and a lower proportion of CpG dinucleotides.”
“Current study determined, in sows, the accuracy of ultrasonography for in vivo (n = 8) and ex vivo (n = 7) evaluation of corpora lutea (CLs) and follicles >= 1.5 mm in size, by comparison with macroscopic findings in sliced ovaries. The accuracy for ex vivo detection selleck screening library of follicles increased with follicle size (P < 0.05), being low for 1.5-1.9 mm follicles (65.9%) and higher for >= 6 mm follicles (93.3%); differences between ultrasonographic and macroscopic observations were significant only for follicles smaller than 3.9 mm (P < 0.05), due to underestimation. Ex vivo observation succeeded to detect presence or absence of CLs in all the ovaries; the efficiency for determining the exact number of CLs being 94.4%. The accuracy for in vivo detection of follicles also increased with follicle size (P < 0.05), dropping to values lower than 40% for 1.5-1.9 mm follicles; therefore, there were significant differences between ultrasonographic and macroscopic observations (P < 0.05). On the other hand, accuracy remained around 92% for >= 6 mm follicles.

SIMPLE is greatly facilitated by the use of a whole-slide scanner

SIMPLE is greatly facilitated by the use of a whole-slide scanner, which can capture the results of each sequential stain without any information loss. (J Histochem Cytochem 57:899-905, 2009)”
“Hyperglycemia is common after acute stroke. In the acute phase of stroke (within 24 h), rats

with permanent cerebral ischemia developed higher fasting blood glucose and insulin levels in association with up-regulation of hepatic gluconeogenic gene expression, including phosphoenolpyruvate carboxykinase, glucose-6-phosphatase, and fructose-1,6-bisphosphatase. In addition, hepatic gluconeogenesis-associated positive regulators, such as FoxO1, CAATT/enhancer-binding proteins (C/EBPs), and cAMP responsive Crenolanib in vitro element-binding protein (CREB), were up-regulated. Dinaciclib inhibitor For insulin signaling transduction, phosphorylation of insulin receptor (IR), insulin receptor substrate-1 (IRS1) at the tyrosine residue, Akt, and AMP-activated protein kinase (AMPK), were attenuated in the liver, while negative regulators of insulin action, including phosphorylation of p38, c-Jun N-terminal kinase (JNK), and insulin receptor substrate-1 (IRS1)

at the serine residue, were increased. In addition, the brains of rats with stroke exhibited a reduction in phosphorylation of IRS1 at the tyrosine residue and Akt. Circulating cortisol, glucagon, C-reactive protein (CRP), monocyte chemoattractant protein 1 (MCP-1), and resistin levels were elevated, but adiponectin was reduced. Our data suggest that cerebral ischemic insults might modify intracellular and extracellular environments, favoring hepatic gluconeogenesis and the consequences of hyperglycemia. (C) 2013 Published by Elsevier Ireland Ltd.”
“Neuromuscular electrical stimulation (NMES) can be used to activate paralyzed or paretic muscles to generate functional or therapeutic movements. The goal of this research was to develop a rodent model of NMES-assisted movement therapy after spinal cord injury (SCI) that will enable investigation of mechanisms of NMES-induced plasticity, Pinometostat from the molecular

to systems level. Development of the model requires accurate mapping of electrode and muscle stimulation sites, the capability to selectively activate muscles to produce graded contractions of sufficient strength, stable anchoring of the implanted electrode within the muscles and stable performance with functional reliability over several weeks of the therapy window. Custom designed electrodes were implanted chronically in hindlimb muscles of spinal cord transected rats. Mechanical and electrical stability of electrodes and the ability to achieve appropriate muscle recruitment and joint angle excursion were assessed by characterizing the strength duration curves, isometric torque recruitment curves and kinematics of joint angle excursion over 6-8 weeks post implantation.

Quantitative scored questions

on students’ learning were

Quantitative scored questions

on students’ learning were analysed using statistical package for the social sciences.\n\nConclusions: AZD4547 ic50 Both students (health and social care) and users benefitted from the education process which delivered highly relevant explicit learning opportunities, with analysis of how to improve communication for safe practice. Students benefitted from meaningful interactions with service users who shared their experiences and gave feedback on students’ communication skills. The final workshop design resulted in a learning model which reflects the human side of healthcare delivery.”
“Objectives: Concerns about fragmented mental health service delivery persist, particularly for people with severe and persistent mental illness. The objective was to review evidence regarding outcomes attributed to system-level intersectoral linkages involving mental health services and non-clinical support services, and to identify barriers and facilitators to the intersectoral linkage process. Methods: A systematic, qualitative review of studies

describing attempts to coordinate the activities of multiple service agencies AZD6094 cell line at the policy, program or organisational level was conducted. Electronic databases Medline, PsycINFO and EMBASE were searched via OVID from inception to July 2012. Results: Of 1593 studies identified, 40 were included in the review – 26 in adult and 14 in vulnerable youth populations. Identified mechanisms to promote positive system-level outcomes included: interagency coordinating committees or intersectoral/interface workers engaged in joint service planning; formalised interagency collaborative agreements; a single care plan in which the responsibilities

of all agencies are described; cross-training of staff to ensure staff culture, attitudes, knowledge and skills are complementary; service co-location; and blended funding initiatives to ensure funding aligns with program integration. Identified barriers included: adequacy of funding and technology; ensuring realistic workloads; overcoming turf issues’ between service providers and disagreements regarding areas of responsibility; ensuring integration strategies are implemented as planned; and maintaining stakeholder enthusiasm. selleck inhibitor Conclusions: System-level intersectoral linkages can be achieved in various ways and are associated with positive clinical and non-clinical outcomes for services and clients. Some linkage mechanisms present greater implementation challenges than others (e.g. major technology upgrades or co-location in geographically remote areas). In some instances (e.g. co-location) alternative options may achieve equivalent benefits. Publication bias could not be discounted, and studies using high-quality research designs are scarce. The limited information base applicable to system-level integration argues strongly for the evaluation of the models that evolve in the rollout of the national Partners in Recovery initiative.


“The molecular mechanism of potassium ion transport across


“The molecular mechanism of potassium ion transport across membranes in conifers is poorly known. We isolated and analyzed a gene encoding a potassium transporter from the conifer Cryptomeria japonica. Potassium ion (K+) is an essential and the most abundant intracellular cation in plants. The roles of K+ in various aspects of plant life are closely linked to its transport across biological membranes

such as the plasma membrane and the tonoplast, which is mediated by membrane-bound transport proteins known as transporters and channels. Information on the molecular basis of K+ membrane transport in trees, especially in conifers, is currently limited. In this study, we isolated one complementary DNA, CjKUP1, which is homologous to known plant K+ transporters, from Cryptomeria japonica. Complementation tests using an Escherichia coli mutant, which is deficient in K+ uptake activity, was conducted to examine the K+ uptake function of the protein selleck encoded by CjKUP1. Transformation of the K+-uptake-deficient mutant with CjKUP1 complemented the deficiency of this mutant. This result indicates that CjKUP1 has a function of K+ uptake. The expression levels of CjKUP1 in male strobili were markedly higher from late September to early October than in other periods. The expression levels in male and female strobili were higher than those in other organs such as needles, inner bark, differentiating xylem, and roots. These results indicate that

CjKUP1 is mainly involved in K+ membrane transport in the cells of reproductive organs of C. japonica trees, especially in male strobili during pollen differentiation.”
“Nonsteroidal DAPT inhibitor anti-inflammatory drugs (NSAIDs) are the drugs most frequently involved in hypersensitivity reactions. These reactions include various clinical entities with different mechanisms leading to the release of inflammatory mediators. Characterization of patients based on clinical manifestations and suspected underlying mechanisms ON-01910 price is critical for implementation of adequate diagnostic procedures and patient management. Our objectives were to prepare a systematic review of available

scientific evidence and to provide general guidelines for the diagnosis and management of patients with hypersensitivity reactions to NSAIDs. We also propose a practical algorithm for the diagnosis of specific types of hypersensitivity to NSAIDs and provide recommendations for the management of hypersensitive patients.”
“Ophiocordyceps sinensis, endemic to the Tibetan Plateau, is one of the most important medicinal fungi with a huge economic value. In the present study, specific primer pairs were designed based on a comprehensive ITS sequence dataset of O. sinensis and its related fungi, and tested for specificity and sensitivity through PCR experiments using 27 individuals of O. sinensis from different geographical origins and 40 other related fungal species in terms of phylogeny or ecology. A primer pair highly specific to O.

Results Under driving conditions, there were no sites where cereb

Results Under driving conditions, there were no sites where cerebral oxygen exchange increased significantly more during right curves than during left curves (p bigger than 0.05), but cerebral oxygen exchange increased significantly more during left curves (p smaller than 0.05) in the right premotor cortex, the right frontal eye field and the bilateral prefrontal cortex. Under non-driving conditions, increases were significantly greater during left curves (p smaller than 0.05) only in the right frontal eye field. Conclusions Left curve driving was thus found to require more brain activity at multiple sites, suggesting that left curve driving may require more visual

attention CAL-101 PI3K/Akt/mTOR inhibitor than right curve driving. The

right frontal eye field was activated under both driving and non-driving conditions.”
“Poly(ADP-ribosyl)ation is a posttranslational protein modification carried out by a family of enzymes referred to as poly(ADP-ribose) polymerases (PARPs). It has been proposed that the broad nuclear distribution of PARPs may allow them to modulate gene expression in addition to their more accepted role as DNA repair mediators. The role of poly(ADP-ribosyl) ation during oogenesis and folliculogenesis is LY3039478 research buy unknown. Here we found that when 3- to 4-wk-old mice were injected with 5-amninoisoquinolinone, a water soluble inhibitor of poly(ADP-ribosyl) ation, it leads to considerably increased oocyte numbers and a dramatic increase in primordial follicle numbers. Furthermore, we show that inhibition of poly(ADP-ribosyl) ation leads to an increased expression of specific genes and pathways in mouse ovaries, in particular, transforming growth factor superfamily members. Our results demonstrate that poly(ADP-ribosyl) ation, is important in oogenesis and folliculogenesis, and it may have a differential role in regulating gene expression, DNA repair, and apoptosis. The novel function of poly(ADP-ribosyl) ation

in oogenesis and folliculogenesis selleck products sheds light on the alternative role that DNA repair mediators may play in cellular development and differentiation.”
“Azaspiracid-1 (AZA-1) is a marine biotoxin reported to accumulate in shellfish from several countries, including eastern Canada, Morocco, and much of western Europe, and is frequently associated with severe gastrointestinal human intoxication. As the mechanism of action of AZA-1 is currently unknown, human DNA microarrays and qPCR were used to profile gene expression patterns in human T lymphocyte cells following AZA-1 exposure. Some of the early (1 h) responding genes consisted of transcription factors, membrane proteins, receptors, and inflammatory genes. Four-and 24-h responding genes were dominated by genes involved in de novo lipid biosynthesis of which 17 of 18 involved in cholesterol biosynthesis were significantly up regulated. The up regulation of synthesis genes was likely in response to the ca.

48, 95% CI 6 93101 16) as risk factors

48, 95% CI 6.93101.16) as risk factors selleck chemicals of VTE. Use of pharmacologic VTE prophylaxis was protective against VTE (OR 0.34, 95% CI 0.040.88).

Conclusion Pharmacologic VTE prophylaxis was associated with a decreased incidence of VTE in patients with CLD without an increased rate of bleeding and should be routinely considered on admission to the hospital. Patients with CLD and active malignancy, trauma or surgery during hospitalization, or history of VTE appear to be at highest risk of VTE and thus warrant pharmacologic prophylaxis. Prospective studies must validate these findings.”
“Background: Glyceraldehyde-3-phosphate dehydrogenase (GAPD) catalyses one of the glycolytic reactions and is also involved in a number of non-glycolytic processes, such as endocytosis, DNA excision repair, and induction of apoptosis. Mammals are known to possess two homologous GAPD isoenzymes: GAPD-1, a well-studied protein found in all somatic cells, and GAPD-2, which is expressed solely in testis. GAPD-2 supplies

energy required for the movement of spermatozoa and is tightly bound to the sperm tail cytoskeleton by the additional N-terminal proline-rich domain absent in GAPD-1. In this study we investigate the evolutionary history of GAPD and gain some insights https://www.selleckchem.com/products/AZD0530.html into specialization of GAPD-2 as a testis-specific protein.\n\nResults: A dataset of GAPD sequences was assembled from public databases and Citarinostat order used for phylogeny reconstruction by

means of the Bayesian method. Since resolution in some clades of the obtained tree was too low, syntenic analysis was carried out to define the evolutionary history of GAPD more precisely. The performed selection tests showed that selective pressure varies across lineages and isoenzymes, as well as across different regions of the same sequences.\n\nConclusions: The obtained results suggest that GAPD-1 and GAPD-2 emerged after duplication during the early evolution of chordates. GAPD-2 was subsequently lost by most lineages except lizards, mammals, as well as cartilaginous and bony fishes. In reptilians and mammals, GAPD-2 specialized to a testis-specific protein and acquired the novel N-terminal proline-rich domain anchoring the protein in the sperm tail cytoskeleton. This domain is likely to have originated by exonization of a microsatellite genomic region. Recognition of the proline-rich domain by cytoskeletal proteins seems to be unspecific. Besides testis, GAPD-2 of lizards was also found in some regenerating tissues, but it lacks the proline-rich domain due to tissue-specific alternative splicing.”
“Objective: The human endometrium manifests different and distinct morphologies and physiologies during the different phases of the menstrual cycle. We aimed to determine which candidate genes demonstrate differential expression patterns in the endometrium during different phases of the menstrual cycle.

Fourteen fetal hearts from human fetuses between 10 and 18 weeks

Fourteen fetal hearts from human fetuses between 10 and 18 weeks of gestational age (GA) were prospectively collected at the time of elective termination of pregnancy. RNA from recovered tissues was used for

transcriptome analysis with Affymetrix 1.0 ST microarray chip. From the amassed data we investigated differences in cardiac development within the 10-18 GA period dividing the sample by GA in three groups: 10-12 (H1), 13-15 (H2) and 16-18 APR-246 (H3) weeks. A fold change of 2 or above adjusted for a false discovery rate of 5% was used as initial cutoff to determine differential gene expression for individual genes. Test for enrichment to identify functional groups was carried out using the Gene Ontology (GO) and the Kyoto Encyclopedia of Genes and Genomes (KEGG). Array analysis correctly identified the cardiac specific genes, and transcripts reported to be differentially expressed were confirmed by qRT-PCR. Single transcript and Ontology analysis showed first trimester heart expression

of myosin-related genes to be up-regulated bigger than 5-fold compared with second trimester heart. In contrast the second trimester hearts showed further gestation-related LY2090314 price increases in many genes involved in energy production and cardiac remodeling. In conclusion, fetal heart development during the first trimester was dominated by heart-specific genes coding for myocardial development and differentiation. During the second trimester, transcripts related to energy generation and cardiomyocyte communication for contractile coordination/proliferation

were more dominant. Transcripts related to fatty acid metabolism can be seen as early as 10 weeks and clearly increase as the heart matures. Retinol receptor and gamma-aminobutyric acid (GABA) receptor transcripts were detected, and have not been described previously in human fetal heart during this period. For the first time global gene expression of heart has been described in human samples to create a database of normal development to understand and compare with known abnormal fetal heart development.”
“Background: In current literature the association between statin use and cataracts is inconsistent ACY-1215 supplier and controversial. We sought to further examine the effect of statin use on the risk of cataract and need for surgical intervention in 2 North American populations. Methods: This retrospective nested case-control study derived data from the British Columbia (BC) Ministry of Health databases from 2000-2007 and the IMS LifeLink database from 2001-2011 to form 2 patient cohorts. The BC cohort was comprised of female and male patients; 162,501 patients were matched with 650,004 control subjects. The IMS LifeLink cohort was comprised of male patients aged 40-85 years; 45,065 patients were matched with 450,650 control subjects. Patients with statin use for bigger than 1 year before the initial ophthalmology visit were identified. Diagnosis and surgical management of cataract were followed.