bluuebunny/crossref_metadata_2025_split huggingface dataset:
Assessment of the Intraobserver and Interobserver Reliability of a Communicating Vessels Volumeter to Measure Wrist-Hand Volume
Authors: de Carvalho Rogério Mendonca , Perez Maria del Carmen Janerio , Miranda Fausto 
Published: June 2012

BackgroundTraditional volumetry based on Archimedes' principle is the gold standard for the measurement of limb volume, but the routine use of this technique is discouraged because of several disadvantages.ObjectiveThe purpose of this study was to evaluate intraobserver and interobserver reliability of direct measurements of wrist-hand volume using a new communicating vessels volumeter based on Pascal's law.DesignA reliability study was conducted.MethodsTo evaluate the reliability of the communicating vessels volumeter in generating measurements, 30 hands of 15 participants (9 women, 6 men) were measured 3 times each by 3 observers, totaling 270 volumetric results.ResultsMeasurement time was short (X̄ =3 minutes 42 seconds). The intraclass correlation coefficient (ICC) was .9977 for observer 1 and .9976 for observers 2 and 3. The interobserver ICC was .9998. The standard error of measurement was about 3 mL for all observers; the interobserver result was 1 mL. The interrater coefficient of variance (CV) was 1.15% for the series of 9 measurements collected for each segment; the intrarater CV was 1.20%.LimitationsNo swollen hands were measured, and measurements were not compared with the gold standard technique. Thus, accuracy of the new volumeter was not determined in this study.ConclusionA new device has been developed for plethysmography of the extremities, and the results of its use to measure the volume of the wrist-hand segment were reliable in both intraobserver and interobserver analyses.
Gamma Knife surgery for the management of glomus tumors: a multicenter study
Authors: Sheehan Jason P. , Tanaka Shota , Link Michael J. , Pollock Bruce E. , Kondziolka Douglas , Mathieu David , Duma Christopher , Young A. Byron , Kaufmann Anthony M. , McBride Heyoung , Weisskopf Peter A. , Xu Zhiyuan , Kano Hideyuki , Yang Huai-che , Lunsford L. Dade 
Published: June 2012

Object
Glomus tumors are rare skull base neoplasms that frequently involve critical cerebrovascular structures and lower cranial nerves. Complete resection is often difficult and may increase cranial nerve deficits. Stereotactic radiosurgery has gained an increasing role in the management of glomus tumors. The authors of this study examine the outcomes after radiosurgery in a large, multicenter patient population.

Methods
Under the auspices of the North American Gamma Knife Consortium, 8 Gamma Knife surgery centers that treat glomus tumors combined their outcome data retrospectively. One hundred thirty-four patient procedures were included in the study (134 procedures in 132 patients, with each procedure being analyzed separately). Prior resection was performed in 51 patients, and prior fractionated external beam radiotherapy was performed in 6 patients. The patients' median age at the time of radiosurgery was 59 years. Forty percent had pulsatile tinnitus at the time of radiosurgery. The median dose to the tumor margin was 15 Gy. The median duration of follow-up was 50.5 months (range 5–220 months).

Results
Overall tumor control was achieved in 93% of patients at last follow-up; actuarial tumor control was 88% at 5 years postradiosurgery. Absence of trigeminal nerve dysfunction at the time of radiosurgery (p = 0.001) and higher number of isocenters (p = 0.005) were statistically associated with tumor progression–free tumor survival. Patients demonstrating new or progressive cranial nerve deficits were also likely to demonstrate tumor progression (p = 0.002). Pulsatile tinnitus improved in 49% of patients who reported it at presentation. New or progressive cranial nerve deficits were noted in 15% of patients; improvement in preexisting cranial nerve deficits was observed in 11% of patients. No patient died as a result of tumor progression.

Conclusions
Gamma Knife surgery was a well-tolerated management strategy that provided a high rate of long-term glomus tumor control. Symptomatic tinnitus improved in almost one-half of the patients. Overall neurological status and cranial nerve function were preserved or improved in the vast majority of patients after radiosurgery.
Diagnostic yield of computed tomography angiography and magnetic resonance angiography in patients with catheter angiography–negative subarachnoid hemorrhage
Authors: Delgado Almandoz Josser E. , Jagadeesan Bharathi D. , Refai Daniel , Moran Christopher J. , Cross DeWitte T. , Chicoine Michael R. , Rich Keith M. , Diringer Michael N. , Dacey Ralph G. , Derdeyn Colin P. , Zipfel Gregory J. 
Published: June 2012

Object
The yield of CT angiography (CTA) and MR angiography (MRA) in patients with subarachnoid hemorrhage (SAH) who have a negative initial catheter angiogram is currently not well understood. This study aims to determine the yield of CTA and MRA in a prospective cohort of patients with SAH and a negative initial catheter angiogram.

Methods
From January 1, 2005, until September 1, 2010, the authors instituted a prospective protocol in which patients with SAH—as documented by noncontrast CT or CSF xanthochromia and a negative initial catheter angiogram— were evaluated using CTA and MRA to assess for causative cerebral aneurysms. Two neuroradiologists independently evaluated the noncontrast CT scans to determine the SAH pattern (perimesencephalic or not) and the CT and MR angiograms to assess for causative cerebral aneurysms.

Results
Seventy-seven patients were included, with a mean age of 52.8 years (median 54 years, range 19–88 years). Fifty patients were female (64.9%) and 27 male (35.1%). Forty-three patients had nonperimesencephalic SAH (55.8%), 29 patients had perimesencephalic SAH (37.7%), and 5 patients had CSF xanthochromia (6.5%). Computed tomography angiography demonstrated a causative cerebral aneurysm in 4 patients (5.2% yield), all of whom had nonperimesencephalic SAH (9.3% yield). Mean aneurysm size was 2.6 mm (range 2.1–3.3 mm). Magnetic resonance angiography demonstrated only 1 of these aneurysms. No causative cerebral aneurysms were found in patients with perimesencephalic SAH or CSF xanthochromia.

Conclusions
Computed tomography angiography is a valuable adjunct in the evaluation of patients with nonperimesencephalic SAH who have a negative initial catheter angiogram, demonstrating a causative cerebral aneurysm in 9.3% of patients.
Influence of hemodynamics on recanalization of totally occluded intracranial aneurysms: a patient-specific computational fluid dynamic simulation study
Authors: Li Chuanhui , Wang Shengzhang , Chen Jialiang , Yu Hongyu , Zhang Ying , Jiang Fan , Mu Shiqing , Li Haiyun , Yang Xinjian 
Published: June 2012

Object
Some totally occluded intracranial aneurysms may recur. The role of hemodynamic mechanisms in this process remains to be elucidated. The authors used computational fluid dynamic analysis and investigated the local hemodynamic characteristics at the aneurysm neck before and after total embolization, attempting to identify hemodynamic risk factors leading to recurrence of totally embolized aneurysms.

Methods
Between May 2008 and June 2010, the authors recruited 17 consecutive patients with totally occluded intracranial aneurysms (7 recanalized and 10 stable lesions). Using patient-specific 3D digital subtraction angiography data, the hemodynamic features before and after embolization were retrospectively characterized.

Results
The overall preembolization blood flow patterns were nearly the same in the recanalized and stable groups, with no significant difference in either the maximum wall shear stress (WSS) (p = 0.914) or the spatially averaged WSS (p = 0.322) at peak systole at the aneurysm neck. After occlusion, the overall flow pattern changed, and the WSS distribution at the treated aneurysm neck differed in the 2 groups. In all of the 7 recanalized cases, both the maximum WSS and spatially averaged WSS at peak systole at the treated aneurysm neck were higher than those at the aneurysm neck before embolization. In contrast, both parameters were decreased in 70%–80% of the stable cases. After embolization, both the maximum WSS (p = 0.021) and spatially averaged WSS (p = 0.041) at peak systole at the treated aneurysm neck were higher in the recanalized group than in the stable group.

Conclusions
Higher WSS at the treated aneurysm neck after total embolization can be an important hemodynamic factor that contributes to aneurysm recurrence after endovascular treatment.
Seizure outcome and complications following hypothalamic hamartoma treatment in adults: endoscopic, open, and Gamma Knife procedures
Authors: Drees Cornelia , Chapman Kevin , Prenger Erin , Baxter Leslie , Maganti Rama , Rekate Harold , Shetter Andrew , Bobrowitz Maggie , Kerrigan John F. 
Published: June 2012

Object
This study aimed at identifying outcomes with respect to seizures, morbidity, and mortality in adult patients undergoing resective or Gamma Knife surgery (GKS) to treat intractable epilepsy associated with hypothalamic hamartoma (HH).

Methods
Adult patients undergoing surgical treatment for HH-related epilepsy were prospectively monitored at a single center for complications and seizure outcome by using a proprietary database. Preintervention and postintervention data for patients 18 years of age and older, and with at least 1 year of follow-up, were analyzed, with specific attention to seizure control, complications, hormonal status, and death.

Results
Forty adult patients were found in the database (21 were women). The median HH volume was 0.54 cm3. In 70% of patients, it was located inside the third ventricle, attached unilaterally and vertically to the hypothalamus (Delalande Type II). Most patients (26) underwent an endoscopic resection, 10 patients had a transcallosal or other type of open (pterional or orbitozygomatic) resection, and 4 patients chose GKS.
Twenty-nine percent became seizure free in the long term, and overall a majority of patients (55%) reported at least > 90% seizure improvement. Only 3 patients were ultimately able to discontinue anticonvulsants, whereas most patients were taking an average of 2 antiepileptic drugs pre- and postoperatively. The only factor significantly correlated with seizure-free outcome was the absence of mental retardation. The HH volume, HH type, and amount of resection or disconnection were not correlated to seizure freedom. A total of 4 patients (10%) died, 2 immediately after surgery and 2 later. All of them had undergone a resection, as opposed to GKS, and still had seizures. Postoperatively, persistent neurological deficits were seen in 1 patient; 34% of patients had mild hormonal problems; and 59% experienced weight gain of at least 6.8 kg (average gain 12.7 kg).

Conclusions
Surgical or GKS procedures in adults with HH provided seizure freedom in one-third of patients. The only significant favorable prognostic factor was the absence of mental retardation. The overall mortality rate was high, at 10%. Other important morbidities were persistent hormonal disturbances and weight gain.
Diagnostic value of the optic nerve sheath subarachnoid space in patients with intracranial hypotension syndrome
Authors: Takeuchi Nobuyasu , Horikoshi Toru , Kinouchi Hiroyuki , Watanabe Arata , Yagi Takashi , Mitsuka Kentaro , Senbokuya Nobuo 
Published: June 2012

Object
The size of the subarachnoid space in the optic nerve sheath (ONS) on MR images is thought to reflect intracranial pressure. The diagnostic value of this space was investigated in patients with spontaneous intracranial hypotension (SIH) syndrome.

Methods
Coronal fat-saturated T2-weighted MRI of the orbit was performed in 15 patients with SIH fulfilling the diagnostic criteria for headache caused by low CSF pressure of the International Classification of Headache Disorders or the criteria for spontaneous spinal CSF leaks and intracranial hypotension. The size of the subarachnoid space in the ONS was measured in 2 slices behind the eyeballs. The images were compared before and after treatment. The CSF pressure was measured by lumbar puncture.

Results
Before treatment, the diameter of the ONS subarachnoid space ranged from 2.58 to 4.21 mm (mean 3.34 mm) and the thickness from 0 to 0.48 mm (mean 0.15 mm). Both measurements showed significant correlations with CSF opening pressure, and 8 patients had no CSF space before treatment. The size of CSF space increased in many patients after effective treatment.

Conclusions
Disappearance of the CSF space in the ONS was frequently observed in patients with SIH. This characteristic finding may be useful in the diagnosis of SIH as well as in the evaluation of treatment effectiveness.
Clinical significance of diffusion tensor tractography as a predictor of functional recovery after laminoplasty in patients with cervical compressive myelopathy
Authors: Nakamura Masaya , Fujiyoshi Kanehiro , Tsuji Osahiko , Konomi Tsunehiko , Hosogane Naobumi , Watanabe Kota , Tsuji Takashi , Ishii Ken , Momoshima Suketaka , Toyama Yoshiaki , Chiba Kazuhiro , Matsumoto Morio 
Published: June 2012

Object
This study was conducted to determine whether postoperative changes in the fractional anisotropy (FA) value and diffusion tensor imaging of the cervical spinal cord can predict functional outcome for patients with cervical compressive myelopathy (CCM).

Methods
Twenty patients with CCM were treated by laminoplasty from 2008 to 2009. Both T2-weighted MRI and diffusion tensor imaging were performed before and after surgery. The FA values were analyzed and fiber tracking was performed. The fiber tract (FT) ratio was calculated according to the following formula: (number of fibers at the compressed level)/(number of fibers at the C-2 level) × 100%. The Japanese Orthopaedic Association scoring system for cervical myelopathy was used to determine pre- and postoperative neurological status of the patients, and the Hirabayashi method was used to calculate the recovery rate.

Results
There was no significant difference in recovery rates between patients with and those without intramedullary high signal intensity on preoperative T2-weighted images. Substantial differences in FA value among spinal cord, bone, and CSF made it difficult to obtain a precise FA value for the compressed spinal cord. There was a significant correlation between the preoperative FT ratio and the recovery rate (p = 0.0006). A poor outcome (recovery rate < 40%) could be anticipated for CCM patients with preoperative FT ratios below 60%.

Conclusions
The preoperative FT ratio correlated significantly with the recovery rates in CCM patients. Preoperative diffusion tensor tractography can be a new prognostic predictor for neurological recovery in CCM patients after laminoplasty.
L'anonymat dans la tradition manuscrite de la lyrique troubadouresque
Authors: Gambino Francesca 
Published: June 2012

Dans les chansonniers provençaux, il est assez rare de trouver un texte sans rubrique attributive. Son absence peut presque toujours être imputée à un accident matériel. L'anonymat est donc un phénomène exceptionnel. Les textes sans auteur connu sont des unica, souvent transmis par des sources qui ne sont pas des chansonniers. En outre, l'absence de la rubrique est incontestablement plus fréquente dans les manuscrits qui ont transmis les mélodies : il est encore une fois évident que pour les compilateurs de ces anthologies l'intérêt était surtout d'ordre musical.
Les différences selon les genres sont également intéressantes, même si dans la lyrique en langue d'oc il n'y a pas de véritable opposition entre le registre appelé « aristocratisant » et le registre « popularisant », comme on pourrait s'y attendre. Enfin, dans certains cas on peut établir une connexion entre l'anonymat et un auteur qu'on pourrait qualifier de « faible » : les coblas esparsas, pour lesquelles l'anonymat peut être un élément constitutif, appartiennent plutôt au monde des jongleurs qu'à celui des troubadours ; enfin, les pièces dont le sujet lyrique est une femme ont beaucoup plus de chances de rester sans attribution que celles dont le sujet lyrique est un homme.
La liturgie de l'Occident médiéval autour de l'an mil. État de la question
Authors: Palazzo Éric 
Published: June 2012

The article gives a state of the question concerning liturgy in Western Europe from 950 to 1050. Drawing
from recent articles and earlier research, the author offers a synthesis of the problems involved in order to define the principal aspects of western medieval liturgy around year 1000.
Reviewed in the article are the monastic liturgy, the episcopal liturgy, the royal ritual, the emergence at
that time of the devotional liturgy, and finally the history of the parish liturgy at the turn of the millenium.
For each of these themes, the author brings to bear several types of sources, favouring liturgical texts but
also giving ample thought to other genres (such as hagiographic, historical or juridical sources), as well as images and their contribution from the point of view of the iconography of liturgy.
Set in this light, liturgy is shown to be an essential element for the understanding of medieval society during the years 950-1050, completely integrated into political, religious and social life of the period.
Frères et membres du corps du Christ : les fraternités monastiques dans les typika
Authors: Bébén Amélie 
Published: June 2012

Among the whole words used in the language of kinship, Christians, and above all monks, choosed "brotherhood" to express the bonds by which they were united, while in the same time requiring of their members to forget their own relatives. This double necessity, to encourage solidarity between the monks to ensure the material surviving of the monastery, but to discourage their intimacy not conform to the monastic ideal of spirituality, is a well-known problem from the authors of the Byzantine typika.
By studying the terms used by them to qualify their members and the rules concerning the relations between monks, this articles stresses on a paradox that determines the evolution of Byzantine monasticism ; a paradox which has one of its most important expression in the prohibition of an other kind of brotherhood, however a spiritual one even if different in its implications, that is adelphopoiia. From this idea, the article tries to get the reality of such a practice inside the monastery and ends with the hypothesis of a possible bond between the more and more important prohibitions of adelphopoiia in the typika and the real progress of the charistikè.
Étude des métaphores végétales dans trois commentaires sur le Cantique des cantiques (Origène, Apponius, Bernard de Clairvaux)
Authors: Minet-Mahy Virginie 
Published: June 2012

Sustained by recent researches on exegetical method "by concordances" (G. Dahan, A.-M. Pelletier) and by textual theory of P. Ricœur the first part of this essay is dedicated to the heuristic function of metaphor. The analyse of three Song of songs commentaries passages show the game of crossing scriptural references where vegetal motives appear and put the light on subtle intertextuality which takes place between biblical texts for sense edification and spiritual progress of the lector becoming at the same time as concordances growing and exegetical chain.
Metaphor is also source of knowledge in the field of a salvation theology based on restoration by image. The analyse of metaphors especially those organised around the fragrance reveals a movement assimilating divine and human images. Vivid identity research translates in the poetical texte the will of restore in oneself the creator image, source of knowledge of oneself.
Le « crâne qui parle » : du motif aux récits. Vertu chrétienne et vertu poétique
Authors: Galderisi Claudio 
Published: June 2012

L'article recense et analyse une série de récits du motif du « crâne qui parle » — de la littérature folklorique à la légende de Trajan, dans la tradition de la patrologie et dans la Comédie de Dante, jusqu'à deux contes de la Vie des Pères — , qui paraissent illustrer de manière exemplaire le conflit entre illusion référentielle et merveilleux fictionnel. A travers l'étude de la configuration syntaxique et morphologique du motif, l'auteur cherche à montrer comment la construction narrative de sa séquence minimale aboutit à des issues narratives opposées, selon qu'elle se fait à travers une rhétorique de la transmission orale ou une poétique de la lettre écrite, mais aussi de quelle manière elle est soumise au code d'une transcendance mythologique ou aux principes d'une théologie monothéiste.
L'étude du traitement du motif dans les deux contes de la Vie des Pères, Crâne et Païen, tend à mettre en valeur la revendication d'une subjectivité esthétique, d'une autorité du verbe poétique, à travers lesquelles s'opère le miracle de la conversion et de l'ascension au Paradis du juste païen, pour montrer comment l'illusion référentielle du miracle cache le miracle de l'illusion référentielle, la lettre celui de la littérature.
Réalités et figures : la plainte, la joie et la colère dans le chant aux XIIe-XIIIe siècles
Authors: Le Vot Gérard 
Published: June 2012

This paper concerns the image constituted in the Middle Ages by several discourses belonging to the emotion. They express some reality of the emotion and by this fact belong to the universals of the sensibility. In a first time, the author examines the notion of ethos and reminds how the medieval modal singing functions ; in a second time, he studies three emotions through their sung mediatisations (pain and lamentation in front of death, joy and distress of love in the man and the woman, at the last anger).
Between realia and figurae, the cultural déterminations seem so pregnant in these singings that it is difficult, without denying the medieval sensibility — the flesh of emotions — , to corne back again to it. Even if the historian shows many contradictions and ambiguities, he will be able to suggest a problematics about rhetorical structures, figures of poetical and musical discourse that deal with the emotion.
Un siècle de lettreüre. Observations sur les études de littérature française du Moyen Âge entre 1900 et 2000
Authors: Trachsler Richard 
Published: June 2012

Entre 1900 et l'an 2000, les études de la littérature du Moyen Âge ont beaucoup changé. C'est que les connaissances factuelles ont progressé, mais aussi que les méthodes employées pour aborder les textes ont évolué. Dans ce court survol des grandes tendances exégétiques du XXe s., l'accent est mis sur l'emboîtement des études littéraires du Moyen Âge dans le paysage institutionnel et universitaire. En un siècle, la littérature française du Moyen Âge a ainsi acquis ses lettres de noblesse. Considérée, vers 1900, comme une littérature « enfantine » et « innocente », elle est aujourd'hui l'égale de ses sœurs modernes. Cette situation est largement due au fait que les approches pratiquées aujourd'hui par les médiévistes sont « importées » des siècles voisins ou des théoriciens de la littérature, qui, en général, ont élaboré leurs concepts à partir d'un corpus non médiéval. De là des éclairages toujours nouveaux de notre vieille littérature, mais dont certains, toutefois, ne rendent pas bien compte de la littérature médiévale.
Le présent article propose un petit itinéraire à travers un siècle d'études médiévales où quelques exemples permettent de mesurer les glissements de l'intérêt des chercheurs au fil du temps.