bluuebunny/crossref_metadata_2025_split huggingface dataset:
Evolution of the study and practice of personality at work
Authors: Schneider Benjamin 
Published: November 2007

AbstractThis article reviews the dynamic evolution of personality research and practice in work organizations from the early 1900s through the present. The article reveals steady‐state equilibrium in the world of practice. In contrast, the world of research is shown to be punctuated by rapid changes in conceptual foci, levels of analysis, and methodological approaches, as well as whether or not personality at work is even considered important. Explanations are offered for these trends, including the ways theory and research in the larger world of the study of personality have been reflected in personality research in and on work organizations. The article concludes with some thoughts about revisiting various branches in this evolution and suggestions for the future of personality research and practice in work organizations. © 2007 Wiley Periodicals, Inc.
Adhesion of MC3T3‐E1 cells to bone sialoprotein and bone osteopontin specifically bound to collagen I
Authors: Bernards Matthew T. , Qin Chunlin , Ratner Buddy D. , Jiang Shaoyi 
Published: November 2007

AbstractBone sialoprotein (BSP) and bone osteopontin (OPN) are members of the SIBLING (small integrin‐binding ligand, N‐linked glycoproteins) family of proteins commonly found in mineralized tissues. Previously, OPN was shown to exhibit a preferential orientation for MC3T3‐E1 cell adhesion when it was specifically bound to collagen. In this work, the orientation of BSP under similar circumstances is examined and compared with OPN. Radiolabeled adsorption isotherms were obtained for BSP bound to both tissue culture polystyrene (TCPS) and collagen‐coated TCPS. The results show that collagen has the capacity to bind almost twice as much OPN under identical conditions. An in vitro MC3T3‐E1 cell adhesion assay was then performed to compare the cell binding ability of BSP on either TCPS or collagen‐coated TCPS with identical amounts of adsorbed protein. It was found that there is no significant difference in the cell binding ability of BSP on either of the substrates. For cell binding studies on collagen‐coated TCPS, it was shown that there are a greater number of cells bound to substrates with adsorbed OPN as compared with BSP. The preferable orientation of OPN for cell binding coupled with the higher binding capability of collagen for OPN indicates that OPN is more important than BSP for osteoblast adhesion to the collagen matrix. In addition, a cell inhibition assay was performed to show that all of the cell binding that occurred throughout these studies was dependent upon integrin interactions with the RGD cell binding moiety. © 2007 Wiley Periodicals, Inc. J Biomed Mater Res, 2008
A novel surface treatment for porous metallic implants that improves the rate of bony ongrowth
Authors: Shannon Fintan J. , Cottrell Jocelyn M. , Deng Xiang‐Hua , Crowder Katherine N. , Doty Stephen B. , Avaltroni Michael J. , Warren Russell F. , Wright Timothy M. , Schwartz Jeffrey 
Published: November 2007

AbstractRapid implant fixation could prove beneficial in a host of clinical applications from total joint arthroplasty to trauma. We hypothesized that a novel self‐assembled monolayer of phosphonate molecules (SAMP) covalently bonded to the oxide surface of titanium alloy would enhance bony integration. Beaded metallic rods were treated with one of three coatings: SAMP, SAMP + RGD peptide, or hydroxyapatite. Rods were inserted retrogradely into both distal femurs of 60 rabbits. Fifteen rabbits were sacrificed at 2, 4, 8, and 16 weeks. At each time, seven specimens for mechanical pull‐out testing and three for histomorphometric analysis were available for each coating. At four weeks, both SAMP groups had significantly higher failure loads when compared to hydroxyapatite (p < 0.01). No significant differences were found among groups at other times, though the SAMP‐alone group remained stronger at 16 weeks. Histology showed abundant new bone formation around all the three groups, though more enhanced formation was apparent in the two SAMP groups. With this novel treatment, with or without RGD, the failure load of implants doubled in half the time as compared with hydroxyapatite. Where early implant fixation is important, the SAMP treatment provides a simple, cost‐effective enhancement to bony integration of orthopaedic implants. © 2007 Wiley Periodicals, Inc. J Biomed Mater Res, 2008
Liver resection for metastases from breast cancer
Authors: Thelen Armin , Benckert Christoph , Jonas Sven , Lopez‐Hänninen Enrique , Sehouli Jalid , Neumann Ulf , Rudolph Birgit , Neuhaus Peter 
Published: November 2007

AbstractBackground and ObjectivesThe value of liver resection for metastases from breast cancer is still controversial. This study was conducted to clarify safety and effectiveness of hepatectomy in this conditions and to identify selection criteria for patients suitable for liver resection.MethodsFrom January 1988 to December 2006, 39 patients underwent liver resection for metastases from breast cancer. The outcome of these 39 patients was retrospectively reviewed using a prospective database. Prognostic factors for patient survival were determined by univariate and multivariate analysis.ResultsNone of the patients died perioperatively and the morbidity rate was 13% (n = 5). The overall 1‐, 3‐, and 5‐year survival rates were 77%, 50%, and 42%, respectively. In the univariate analysis, metastatic manifestation prior to hepatectomy, vascular invasion and resection margin revealed statistically significant influence on survival. The multivariate analysis identified only resection margin as an independent prognostic factor for survival.ConclusionsLiver resection should be considered in the multimodal treatment approach of patients with metastatic breast cancer. Hepatic resection can be performed with low risk and offers a chance of long‐term survival. Achievement of a curative resection and less important absence of previous metastatic manifestation represent suitable criteria to select patients for liver resection. J. Surg. Oncol. 2008;97:25–29. © 2007 Wiley‐Liss, Inc.
Non‐invasive ventilation reduces respiratory tract infections in children with neuromuscular disorders
Authors: Dohna‐Schwake C. , Podlewski P. , Voit T. , Mellies U. 
Published: November 2007

AbstractNon‐invasive ventilation (NIV) has been shown to improve gas exchange and survival in patients with chronic neuromuscular disorders. Little is known about its influence on respiratory tract infections (RTIs). Twenty‐four patients with regular use of NIV and 11 patients without NIV with neuromuscular disorders answered a questionnaire concerning the use of NIV and assisted coughing techniques, the status of influenza and pneumococcus vaccination, and the frequency and severity of RTIs. Additionally, we performed a retrospective chart review of twelve patients who were ventilated over a period of at least 5 years. In the first year of NIV consultations of a general practitioner due to RTI decreased from 9.2 ± 20.8 to 3.2 ± 5.3 per year (P < 0.005), the number of antibiotic treatment due to RTI decreased from 4.1 ± 3.4 to 1.9 ± 2.2 per year (P < 0.005) and the number of hospital admissions due to RTI decreased from 1.6 ± 1.7 to 0.7 ± 1.3 per year (P < 0.005). Vaccinations against influenza and/or pneumococcus did not have a significant influence on the rate of infections. In 12 patients using NIV for more than 5 years the incidence of RTI requiring hospital admission decreased from 0.54 ± 0.41/year in the pre‐ventilation period to 0.12 ± 0.09/year in the NIV period (P < 0.005). NIV had a favorable impact on respiratory infectious complications in children with neuromuscular disorders. Pediatr Pulmonol. 2008; 43:67–71. © 2007 Wiley‐Liss, Inc.
Congenital central hypoventilation syndrome: PHOX2B genotype determines risk for sudden death
Authors: Gronli Jerome O. , Santucci Barbara A. , Leurgans Sue E. , Berry‐Kravis Elizabeth M. , Weese‐Mayer Debra E. 
Published: November 2007

AbstractObjectiveChildren with Congenital Central Hypoventilation Syndrome (CCHS) have cardiovascular symptoms consistent with the autonomic nervous system dysregulation/dysfunction (ANSD) phenotype. We hypothesized that children with CCHS would have a relationship between PHOX2B genotype and two clinically applicable cardiovascular measures of ANSD: duration of longest r‐r interval and longest corrected QT interval (QTc).Materials and MethodsWe studied 501 days of Holter recordings from 39 individuals with PHOX2B mutation‐confirmed CCHS, and analyzed longest r‐r and QTc intervals with respect to PHOX2B genotype.ResultsWe determined that longest r‐r interval varied by genotype (P = 0.001), with a positive correlation between repeat number and longest r‐r interval duration (P = 0.0007). Number of children with a longest r‐r interval value ≥3 sec varied by genotype (P < 0.0001): 0% with the 20/25 genotype, 19% with the 20/26 genotype, and 83% with the 20/27 genotype. Though longest QTc interval did not vary by genotype (P = 0.09), all children with CCHS had at least one Holter with a QTc interval >450 msec, and percent of time with QTc >450 msec exceeded published values. The proportion of subjects who received a cardiac pacemaker due to prolonged r‐r interval was greater for the children with the 20/27 genotype (67%) than the 20/25 (0%) or 20/26 genotype (25%) (P = 0.01). Among three children who did not receive a cardiac pacemaker, but who had r‐r intervals ≥3 sec, two died suddenly.ConclusionsThese results confirm a disturbance of cardiac autonomic regulation in CCHS, indicate that PHOX2B genotype is related to the severity of dysregulation, predict the need for cardiac pacemaker, and offer the clinician the potential to avert sudden death. Pediatr Pulmonol. 2008; 43:77–86. © 2007 Wiley‐Liss, Inc.
Capturing the dynamics of identity formation in various ethnic groups: Development and validation of a three‐dimensional model
Authors: Crocetti Elisabetta , Rubini Monica , Meeus Wim 
Published: November 2007

ABSTRACTThe aim of this study was to develop a model of identity formation comprising three structural dimensions: commitment, in‐depth exploration and reconsideration of commitment. A new tool, the Utrecht‐Management of Identity Commitments Scale, was designed to assess these processes. Early and middle adolescents (N=1952) participated in this study. Confirmatory factor analyses revealed that the three‐factor model provided a better fit than alternative one‐ and two‐factor models. The model applied not only to the whole adolescent sample, but also to male and female subsamples and to early and middle adolescent age groups. Additionally, we established interethnic equivalence of the model, in that it also fit well for ethnic minority adolescents. In accordance with hypotheses, regression analyses showed that commitment, in‐depth exploration and reconsideration of commitment were significantly related to measures of self and personality, psychosocial problems and parent–adolescent relations. Implications and suggestions for future research are discussed.
Digital and transvaginal ultrasound cervical assessment for prediction of successful labor induction
Authors: Tanir H.M. , Sener T. , Yildiz Z. 
Published: November 2007

AbstractObjectiveTo compare the values of preinduction transvaginal cervical length measurements and Bishop score to predict successful labor induction.MethodsA prospective, observational trial of nulliparous women undergoing labor induction. Inclusion criteria were gestational age between 36 and 42 weeks, singleton cephalic presentation of the fetus, and intact membranes. Preinduction cervical ripening was performed using 25 μg intravaginal misoprostol (PGE1), repeated every 4 h, up to a maximum of 3 doses. Induction was subsequently continued by oxytocin and amniotomy.ResultsA total of 43 women met the inclusion criteria. Mean preinduction cervical length for women with successful or failed labor induction was 26 mm (95% Confidence interval [CI], 27–32) and 34 mm (95% CI, 33–38), respectively (P = 0.002). Mean Bishop scores for successful and failed induction groups were 5.4 (95% CI, 5.2–6.2) and 3.1 (95% CI, 2.8–3.5), respectively (P = 0.003).ConclusionDigital examination and transvaginal ultrasound of the cervix predict successful labor induction with reasonable accuracy.
A comparison of liquid‐based cytology with conventional cytology
Authors: Çelik Ç. , Gezginç K. , Toy H. , Findik S. , Yilmaz O. 
Published: November 2007

AbstractObjectiveTo evaluate the 2 methods of cytologic screening to detect abnormalities of the cervical epithelium.MethodsThis study with 3 groups of women was performed at Selcuk University Meram Medical School between January 2004 and March 2006. In one group (paired sample for specimen collection) women were screened with conventional cytology; in another group (paired sample for specimen collection) they were screened with liquid‐based cytology; and in the third group (split sample for specimen collection) they were screened by both methods.ResultsThe rate of unsatisfactory results was lower in the liquid‐based than in the conventional cytology group (6.1% vs. 2.6%; P < 0.05). More smears containing atypical squamous cells of undetermined significance were detected by the liquid‐based method, but the difference was not statistically significant. Also, no statistically significant differences between liquid‐based and conventional cytology were observed in the detection of other epithelial abnormalities (P > 0.05).ConclusionThe liquid‐based and conventional cytology methods were found to be equivalent in the detection of cervical epithelial abnormalities.
Depression, antidepressant medication, and functioning outcomes among pregnant women
Authors: Marcus Sheila M. , Flynn Heather A. 
Published: November 2007

AbstractObjectivesTo describe prenatal patterns of antidepressant use and their relationship to depression in pregnancy.MethodsA total of 276 high risk women completed a structured clinical interview to investigate use of antidepressant medication.ResultsOf the women interviewed, 13% (n = 36) reported current use of antidepressant medication; there were no differences in depression or health functioning outcomes between women taking antidepressants and those not using them.ConclusionsMonitoring the depressive symptoms of women using pharmacotherapy during pregnancy is important to optimize their treatment.
Dosing of proton pump inhibitors is suboptimal among otolaryngologists treating reflux‐induced upper‐respiratory disease
Authors: Humayun Fawwaz , Hoff Paul T. , Robinson Eileen A. , Gunaratnam Naresh T. 
Published: November 2007

ObjectiveTo evaluate the practice of otolaryngologists treating reflux‐induced upper‐respiratory disease in a nationwide survey.STUDY DESIGNSurvey study using an anonymous questionnaire containing clinical vignettes.SUBJECTS AND METHODSThe survey was mailed to all 6,899 board‐certified fellow members in practice in the American Academy of Otolaryngology–Head and Neck Surgery residing in the United States.RESULTSOne thousand seven hundred twenty questionnaires were returned. Respondents empirically treated reflux‐induced upper‐respiratory disease with proton pump inhibitors once daily and twice daily 63% and 31%, respectively. Fifteen percent did not instruct their patients on how to take the proton pump inhibitors. Of those who instructed their patients, 22% advised dosing before breakfast, 32% before breakfast and again before dinner, and 46% recommended other timings. When prescribing twice‐per‐day dosing, 64% responded to give before breakfast and dinner and 28% responded before breakfast and at bedtime.CONCLUSIONSuboptimal dosing of proton pump inhibitors is prevalent among otolaryngologists treating reflux‐induced upper‐respiratory disease.
Clinical experience with angiotensin‐converting enzyme inhibitor–induced angioedema
Authors: Grant Nazaneen N. , Deeb Ziad E. , Chia Stanley H. 
Published: November 2007

OBJECTIVESTo understand the presentation and clinical course of angiotensin‐converting enzyme (ACE) inhibitor‐induced angioedema and to determine management factors associated with progression to airway compromise.STUDY DESIGN AND SETTINGRetrospective chart review of patients taking ACE inhibitors who presented to the emergency department with angioedema between December 1999 and July 2004 (n = 228). Clinical presentation, treatment, and clinical course were analyzed.RESULTSThe oral cavity was the most common location of upper‐airway angioedema. Twenty‐two (10%) patients required intubation, and all were intubated within 12 hours of presentation. Of the patients who required intubation, those who were started on an H1 ‐blocker were extubated earlier than those not on an H1 ‐blocker (P = 0.05).CONCLUSIONThe locations of swelling and drooling on admission are predictive of the need for intubation. Other aspects of presentation, treatment, and disposition can help in management decisions for this potentially fatal condition.SIGNIFICANCEThis is the largest series to date of ACE inhibitor‐related angioedema that challenges theories on the etiology and treatment of this condition.
Estimate of radiation dose to the lens in balloon sinuplasty
Authors: Chandra Rakesh K. 
Published: November 2007

ObjectivesTo estimate radiation dose to the lens during fluoroscopy‐assisted balloon dilation of sinus ostia and to estimate the length of fluoroscopy time that will be tolerated.MethodsRadiation dose to the lens per unit fluoroscopy time was extrapolated from published data in fluoroscopically‐guided balloon dacrocystoplasty.ResultsMean exposure varies from 0.041 (right eye) to 0.284 (left eye) mGy/sec (P = 0.037) because the left eye is closer to the radiation source during the lateral projection. Threshold for lenticular opacity has been estimated as 500 mGy, which would be attained in the left eye after approximately 29 minutes of fluoroscopy.ConclusionsThe lens may tolerate <30 minutes of fluoroscopy during balloon sinuplasty. The left eye receives a potentially greater radiation dose because of its proximity to the source in the lateral projection. Dedicated studies are indicated to specifically examine this issue during balloon sinuplasty.
Acute rise in methicillin‐resistant Staphylococcus aureus infections in a coastal community
Authors: Bothwell Nici Eddy , Shvidler Joseph , Cable Benjamin B. 
Published: November 2007

ObjectiveDescribe the incidence of head and neck community‐acquired methicillin‐resistant Staphylococcus aureus (CA‐MRSA) infections over a 5‐year period at a coastal tertiary medical center.Study DesignRetrospective chart review.Subjects and MethodsAll patients presenting to the otolaryngology service with cultures taken from head and neck infections between 1999 and 2004 were eligible for inclusion. Statistical analysis was used to determine significance of the changing incidence of isolated organisms over the study period.ResultsCA‐MRSA infections rose from 21% to 64% over the 5‐year period. The increasing trend in CA‐MRSA infections reached statistical significance from 2003 to 2004. All CA‐MRSA isolates were resistant to cefazolin and penicillin, but most were sensitive to clindamycin.ConclusionsOur data demonstrates a striking increase in the incidence of CA‐MRSA. We have tailored our treatment of cutaneous head and neck infections to include empiric treatment for CA‐MRSA using clindamycin. Awareness and monitoring of this trend will be important for all practitioners involved in the care of these patients.
Mid‐temporal pericranial and inferiorly based periosteal flaps in mastoid obliteration
Authors: Yung Matthew , Smith Phillip 
Published: November 2007

ObjectiveTo study the outcome of mastoid obliterations where mid‐temporal pericranial flap and inferiorly based periosteal flap were used.Study DesignA prospective longitudinal study with a minimum follow‐up of 1 year.Subjects and MethodsBetween 2000 and 2005, 102 mastoid obliterations were performed on 96 patients, the majority having hydroxyapatite granules as fillers. Of these, 31 were primary obliterations and 71 were secondary obliterations. Thirty were on children under 16.ResultsUsing Kaplan‐Meier analysis, the percentage of ears that were free of residual cholesteatoma at 5 years was 91% (95% CI: 83.1%, 100.0%). There was no recurrent cholesteatoma. Cutoff analysis was used to study other parameters at 5 years. The 5‐year otorrhea rate was zero, and 96% of the cavities became completely epithelialized. Twenty out of 24 ears were water resistant, and 50% had air‐bone gaps of 20 dB or better.ConclusionThe outcome of this technique compares favorably to other reports.
Nerve origin of vestibular schwannoma: a prospective study
Authors: Khrais T , Romano G , Sanna M 
Published: November 2007

AbstractObjective:The origin of vestibular schwannoma has always been a matter of debate. The aim of our study was to identify the nerve origin of this tumour.Study design:Prospective case review. This study was conducted at Gruppo Otologico, a private referral centre for neurotology and skull base surgery.Methods:A total of 200 cases of vestibular schwannoma were included in the study. All the tumours were removed surgically utilising the translabyrinthine approach. The origin of the tumour was sought at the fundus of the internal auditory canal.Results:A total of 200 consecutive cases was included in the study. The origin of the tumour was limited to one nerve at the fundus in 152 cases (76 per cent). Out of these cases, the tumour originated from the inferior vestibular nerve in 139 cases (91.4 per cent), from the superior vestibular nerve in nine cases (6 per cent), from the cochlear nerve in two cases (1.3 per cent) and from the facial nerve in two cases (1.3 per cent).Conclusion:The vast majority of vestibular schwannomas originate from the inferior vestibular nerve; the incidence of involvement of this nerve increases as the tumour size increases. An origin of vestibular schwannoma from the inferior vestibular nerve can be considered as one of the explanatory factors for the poor functional outcome of the extended middle cranial fossa approach, and probably accounts also for the better hearing preservation rate reported in some series for the retrosigmoid approach.
The Norse in Greenland and late Holocene sea-level change
Authors: Mikkelsen Naja , Kuijpers Antoon , Arneborg Jette 
Published: November 2007

ABSTRACTNorse immigrants from Europe settled in southern Greenland in around AD 985 and managed to create a farming community during the Medieval Warm Period. The Norse vanished after approximately 500 years of existence in Greenland leaving no documentary evidence concerning why their culture foundered. The flooding of fertile grassland caused by late Holocene sea-level changes may be one of the factors that affected the Norse community. Holocene sea-level changes in Greenland are closely connected with the isostatic response of the Earth's crust to the behaviour of the Greenlandic ice sheet. An early Holocene regressive phase in south and west Greenland was reversed during the middle Holocene, and evidence is found for transgression and drowning of early-middle Holocene coast lines. This drowning started between 8 and 7ka BP in southern Greenland and continued during the Norse era to the present. An average late Holocene sea level rise in the order of 2–3 m/1000 years may be one of the factors that negatively affected the life of the Norse Greenlanders, and combined with other both socio-economic and environmental problems, such as increasing wind and sea ice expansion at the transition to the Little Ice Age, may eventually have led to the end of the Norse culture in Greenland.