bluuebunny/crossref_metadata_2025_split huggingface dataset:
Staged Endovascular Management of a Ruptured Intracranial Aneurysm
Authors: Morris P. , Bednar M. , Gross C. 
Published: January 2017

The goal of treatment of ruptured intracranial aneurysms is the exclusion of the aneurysm from the intracranial circulation. Recently endovascular techniques have provided an alternative to open surgery in selected patients. Herein, we present a patient who underwent staged endovascular procedures to achieve definitive treatment of an intracranial fusiform vertebral artery aneurysm. Definitive immediate therapy for the aneurysm was not possible at first presentation because of the aneurysm location and configuration, and because of absence of collateral circulation. The first stage involved coiling a daughter bleb suspected of being the source of haemorrhage. This provided acute protection against rebleeding without sacrificing the parent artery. The second and more definitive stage, delayed for 31 days, involved balloon occlusion of a fusiform aneurysm by sacrificing the parent vessel.
Experimental Pseudo Arteriovenous Malformation a Model for Training and Research
Authors: Schumacher M. , Schellhammer F. 
Published: January 2017

There are few experimental models of arteriovenous malformations (AVM). The following study was designed to evaluate an easy-to-perform method in a canine model. Bilateral high-flow carotid to external jugular vein arteriovenous fistulae (AVF) were created in three adult dogs. 21 days after surgery one AVF was occluded by a coated stent, whereas the contralateral side remained patent. Frequent angiograms of the carotid and the vertebral arteries were performed in the nine months after surgery to investigate the effects of long-standing high-flow AVF. Because of a significant steal effect, the fistulae recruited arterial blood flow at a rapid rate from the ipsilateral vertebral artery and to lesser extent from the contralateral side, which was only disclosed after occlusion of the contralateral AVF. These cephalic pseudo AVMs were seen in all three dogs. The model presented is easy to establish and shows angioma-like morphological components comparable to human AVM. It is useful for the testing of new catheters and embolic materials as well as in the training of superselective navigation with microcatheters. However, it is unsuitable for examination of intracranial pathophysiology.
Combined Endovascular Stenting and Endosaccular Coiling for the Treatment of a Wide-Necked Intracranial Vertebral Aneurysm
Authors: Bracard S. , Anxionnat R. , Da Costa E. , Lebedinsky A. , Scomazzoni F. , Picard L. 
Published: January 2017

We describe a clinical case of the combined application of endovascular stent placement and GDCoils packing in the management of a ruptured wide necked intracranial aneurysm. A 27-year-old man had a subarachnoid haemorrhage secondary to the rupture of a large wide necked left vertebral aneurysm. This aneurysm was judged to be inoperable. A functional occlusion test failed because of poor collateral flow and combined stenting and coiling was used to occlude the aneurysm with preservation of the parent artery. A femoral approach was used. An 18 mm long ACS® Duet stent was placed across the base of aneurysm and expanded to 4mm to act as a buttress. A microcatheter was then advanced through the stent mesh and GDC's were deposited for occlusion. This technique provides new possibilities for wide-necked intracranial aneurysms. Further studies are required on the mechanical and thrombogenic properties of stents and on the long-term follow-up, but this technology may play a role in some cases of aneurysm treatment.
Treatment of External Carotid Artery Fistula by Percutaneous Venous Approach
Authors: Benndorf G. , Lehmann T.N. , Lanksch W.R. 
Published: January 2017

Endovascular treatment of high flow arteriovenous fistula following a stab wound injury in a 25 year old man is reported. Previously performed proximal embolisation and surgical ligation failed to occlude the fistula but resulted in changes to the normal vascular anatomy and significant clinical and cosmetic disturbances. A direct puncture of the draining vein was performed and the fistulous connection occluded by placement of detachable coils and deposition of glue. Follow-up showed disappearance of the AVF as well as complete clinical recovery.
An Improvement of Cerebral Hemodynamics following Percutaneous Transluminal Angioplasty in Patients with Atherosclerotic Arterial Stenosis
Authors: Nochide I. , Ohta S. , Ueda T. , Fujita M. , Utsunomiya H. , Kumon Y. , Sakaki S. 
Published: January 2017

The purpose of this study was to evaluate changes in cerebral hemodynamics following percutaneous transluminal angioplasty (PTA) in patients with atherosclerotic cerebral arterial stenosis. PTA was performed on the patients under the condition that the arterial stenosis ratio was 70% or more and regional cerebrovascular reserve (rCVR) had decreased to 10% or less. Resting regional cerebral blood flow (rCBF) and rCVR responding to acetazolamide loading were measured by 133Xe single photon emission tomography (SPECT) just prior to and 1 month after PTA. The average stenosis ratio was significantly improved from 77% to 36% one month after PTA. There were 185 preoperative normal rCBF and normal rCVR regions, 176 region (95%) of which retained their normal rCBF and normal rCVR postoperatively. In 9 regions (5%) only rCVR worsened. Preoperatively, there were 59 normal rCBF and decreased rCVR regions. Forty-five (76%) regions later showed normalized rCVR. Six regions (10%) remained decreased rCVR regions; no region did not worsen during the course of this study. Twenty-nine regions of both preoperative resting rCBF and rCVR decreased regions. Postoperatively, 18 regions (62%) normalized in regards to both rCVR and resting rCBF; in 4 regions (14%), only the resting rCBF was normalized. In the 24 decreased rCBF and normal rCVR regions, there were no hemodynamic alterations after PTA. Regions with decreasing rCVR are at high risk of future brain infarction. This study indicates that the risk of cerebral infarction was avoided by PTA in the low rCVR regions.
Stenting Therapy for Extra-Cranial Carotid Stenosis
Authors: Nakahara T. , Sakamoto S. , Kutsuna M. , Yamanaka M. , Sakoda K. 
Published: January 2017

We report our initial results of stent placement for extra-cranial carotid stenosis. Fifteen patients aged 54 to 83 years (10 men) with >60% extra-cranial carotid stenosis were treated with percutaneous stent implantation. Four patients were asymptomatic. The rate of stenosis ranged from 60% to 93% (mean: 74%). Balloon-expandable stents (Palmaz stent 11, Cordis stent: 1, GFX stent:2) were placed for fourteen patients and for one patient a self-expandable stent was used (Memotherm biliary stent). The proximal protective balloon technique was used in the most possible cases during predilatation or stent placement. Angiography or ultrasonography was performed as the evaluation of restenosis after stent placement. The definition of restenosis was > 50% stenosis. The mean period of follow-up was 8.5 months (from 1 to 20 months). In all patients, carotid stents were successfully placed. The mean rate of stenosis immediately after the procedure decreased to 0%. The protective balloon technique could be used in ten patients during pre-dilatation, in six during stent placement. One patient suffered a transient ischemic attack immediately after predilatation. The symptoms disappeared completely 15 minutes after onset. There was no patient with relapse or deterioration of neurological deficits after the procedure. There was no restenosis and stent deformation in the follow-up period. In our small series, stent placement for extra-cranial carotid stenosis was performed with a low rate of morbidity and mortality. However, it is necessary to develop more flexible, more controllable stents with increased mesh densities for exclusive neurointervention. In addition, the development of a more reliable protective balloon technique to decrease procedure-related complications is needed.
The Rebuilding of Normal Venous Circulation for Transverse-Sigmoid Dural Arteriovenous Fistulas by Percutaneous Transluminal Angioplasty
Authors: Yoshino K. , Yasuhara T. , Nakagawa M. , Terai Y. , Fujimoto S. , Kusaka N. 
Published: January 2017

The etiology of dural arteriovenous fistulas (DAVFs) remains controversial as is the issue of whether occlusion or stenosis of the transverse sinus and sigmoid sinus is a cause or a result of DAVFs. We report a case of DAVFs with transverse-sigmoid sinus occlusion and cortical venous reflux. In this case, the reconstruction of normal venous circulation by percutaneous transluminal angioplasty (PTA) for the occluded sinus was performed and cortical venous reflux diminished. PTA may be a useful treatment for DAVFs with occluded or stenotic sinus.
Treatment of Intracranial (Dural) Arteriovenous Fistulas in Unusual Locations
Authors: Kuwayama N. , Kubo M. , Nisihjima M. , Horie Y. , Endo S. , Takaku A. 
Published: January 2017

We evaluated retrospectively the treatment modalities and clinical outcome of 14 patients with intracranial dural arteriovenous fistula (AVF) involving cortical veins and dural sinuses except the cavernous and lateral sinuses. The location of arteriovenous shunt was the confluence of the sinuses and superior sagittal sinus (in 2 patients), superior petrosal sinus (1), marginal sinus (1), parasigmoid sinus (1), cortical vein at the anterior fossa (2), cortical vein of the parietal lobe (2), petrosal vein (2), and the cortical vein around the craniocervical junction (3). Of 12 patients who underwent endovascular and/or surgical treatment, five patients were treated only with microsurgery, six only with endovascular therapy, and one with combined surgical and endovascular procedure. Angioanatomical result was complete occlusion of the lesion in all the cases treated with surgery, and 80 to 100% occlusion in cases with endovascular treatment. Clinical outcome was GR in nine patients, MD in two, SD in one, VS in one, and D in one. The natural history of the lesion at each location and angioanatomical feature including the hemodynamic condition in each case should be precisely evaluated to select endovascular, surgical, or a combined procedure for the management of these unusual types of intracranial dural AVF.
GDC in Ruptured versus Unruptured Aneurysms
Authors: Duckwiler G. , Viñuela F. , Gobin P. , Guglielmi G. 
Published: January 2017

We have treated 581 aneurysms in 510 patients from August 1990 to November 1998. In 247 patients the presentation was acute rupture. In 141 patients the aneurysm treated was incidental. Complications in the acute group was 10.1% morbidity with 2.8% procedure related mortality. The corresponding rates were 4.2% and 0% in the incidental group. In the incidental group all complications occurred up to 1995. In our last 91 patients there has been no morbidity or mortality. Anatomic outcomes were dependent upon aneurysm geometry in both groups. This low rate of complications when compared to the natural history for both ruptured and unruptured aneurysm favors treatment if the long-term follow-up confirms reduced longitudinal hemorrhage rates, and the aneurysm has a favorable geometry.
Platelets and neutrophil extracellular traps collaborate to promote intravascular coagulation during sepsis in mice
Authors: McDonald Braedon , Davis Rachelle P. , Kim Seok-Joo , Tse Mandy , Esmon Charles T. , Kolaczkowska Elzbieta , Jenne Craig N. 
Published: January 2017

Key Points
In vivo imaging reveals a NET–platelet–thrombin axis that promotes intravascular coagulation in sepsis. Inhibition of NETs during sepsis reduces intravascular coagulation, improves microvascular perfusion, and reduces organ damage.
Platelet secretion is crucial to prevent bleeding in the ischemic brain but not in the inflamed skin or lung in mice
Authors: Deppermann Carsten , Kraft Peter , Volz Julia , Schuhmann Michael K. , Beck Sarah , Wolf Karen , Stegner David , Stoll Guido , Nieswandt Bernhard 
Published: January 2017

Key Points
Platelet granule content is dispensable for maintaining vascular integrity during skin and lung inflammation. In stark contrast, lack of platelet granule secretion causes increased mortality in experimental stroke due to intracranial hemorrhage.
The Development and Implementation of Cognitive Aids for Critical Events in Pediatric Anesthesia: The Society for Pediatric Anesthesia Critical Events Checklists
Authors: Clebone Anna , Burian Barbara K. , Watkins Scott C. , Gálvez Jorge A. , Lockman Justin L. , Heitmiller Eugenie S. 
Published: January 2017

Cognitive aids such as checklists are commonly used in modern operating rooms for routine processes, and the use of such aids may be even more important during critical events. The Quality and Safety Committee of the Society for Pediatric Anesthesia (SPA) has developed a set of critical-event checklists and cognitive aids designed for 3 purposes: (1) as a repository of the latest evidence-based and expert opinion-based information to guide response and management of critical events, (2) as a source of just-in-time information during critical events, and (3) as a method to facilitate a shared understanding of required actions among team members during a critical event. Committee members, who represented children’s hospitals from across the nation, used the recent literature and established guidelines (where available) and incorporated the expertise of colleagues at their institutions to develop these checklists, which included relevant factors to consider and steps to take in response to critical events. Human factors principles were incorporated to enhance checklist usability, facilitate error-free accomplishment, and ensure a common approach to checklist layout, formatting, structure, and design.
The checklists were made available in multiple formats: a PDF version for easy printing, a mobile application, and at some institutions, a Web-based application using the anesthesia information management system. After the checklists were created, training commenced, and plans for validation were begun. User training is essential for successful implementation and should ideally include explanation of the organization of the checklists; familiarization of users with the layout, structure, and formatting of the checklists; coaching in how to use the checklists in a team environment; reviewing of the items; and simulation of checklist use. Because of the rare and unpredictable nature of critical events, clinical trials that use crisis checklists are difficult to conduct; however, recent and future simulation studies with adult checklists provide a promising avenue for future validation of the SPA checklists. This article will review the developmental steps in producing the SPA crisis checklists, including creation of content, incorporation of human factors elements, and validation in simulation. Critical-events checklists have the potential to improve patient care during emergency events, and it is hoped that incorporating the elements presented in this article will aid in successful implementation of these essential cognitive aids.
Complications of Reperfusion in Acute Aortic Artery Occlusion Following Saddle Embolization Originating from an Atrial Myxoma
Authors: Ali Tahir , Castro J. , Young C.P. , Burnand K.G. 
Published: January 2017

A 58-year-old man presented to the hospital with an 8-hour history of acute-onset bilateral lower limb ischemia. A large saddle embolus had occluded the aorta and could not be removed by balloon endarterectomy through the femoral arteries. Successful open aortic and femoral thromboembolectomy followed by extensive fasciotomies was accompanied by severe reperfusion injury. Life-threatening hyperkalemia was associated with three episodes of intraoperative ventricular fibrillation and ventricular tachycardia requiring cardiac massage and defibrillation. A dextrose-insulinbicarbonate infusion was required to correct the hyperkalemia. Rhabdomyolysis developed at 24 hours, causing marked myoglobinuria and acute renal failure, which required hemofiltration. Histology of the recovered embolus confirmed an atrial myxoma, and when the patient had fully recovered, open cardiac surgery was carried out to resect the tiny stump of residual myxoma. Rhabdomyolysis associated with a myxomatous saddle embolus has not been previously reported. This case highlights the need for pre- and perioperative measures to be taken to overcome hyperkalemia and acute renal failure when revascularizing acute, massive, prolonged ischemia of the lower body.
Institutional Votes at the XIX International Botanical Congress, Shenzhen, 2017: Report of the Special Committee on Institutional Votes
Authors: Funk Vicki A. , Turland Nicholas J. 
Published: January 2017

AbstractThe Special Committee on Institutional Votes was established at the XVIII International Botanical Congress (IBC), in Melbourne in 2011, with the mandate to consider the procedure by which institutional votes are allocated and to report to the XIX IBC in Shenzhen in 2017. The Special Committee contacted institutions worldwide and urged them to update their entries in Index Herbariorum and to request institutional votes for the first time or an increase in allocated votes. The Committee sent its recommendations for changes to the list of institutional votes for the Melbourne IBC to the Bureau of Nomenclature, which, in collaboration with the Special Committee, revised the list to produce the new list for the Shenzhen IBC. This new list was sent to the General Committee for final approval, as required by the International Code of Nomenclature for algae, fungi, and plants. The General Committee approved the list, which is now presented in this report.
Phylogeny and a revised tribal classification of Menispermaceae (moonseed family) based on molecular and morphological data
Authors: Ortiz Rosa del C. , Wang Wei , Jacques Frédéric M.B. , Chen Zhiduan 
Published: January 2017

AbstractThe Menispermaceae, a largely tropical family of dioecious and predominantly climbing plants, have been the subject of various molecular studies that confirmed its monophyly and the para‐ and polyphyly of most of the currently recognized tribes. The newly recognized assemblages have been variously named informally in different studies. Here we present a comprehensive phylogenetic hypothesis of the Menispermaceae based on the analyses of three molecular markers (matK, trnL‐F, ndhF) and 41 morphological characters for the most extensive taxonomic and geographic sampling of the family as compared to earlier studies. Phylogenetic relationships were inferred using maximum parsimony, maximum likelihood, and Bayesian approaches. Our results of the combined molecular and total‐evidence datasets corroborate earlier findings, with an improved support for major clade contents. A new tribal classification of the Menispermaceae is proposed, in which nine clades are grouped within the subfamilies Chasmantheroideae and Menispermoideae, forming themselves two well‐supported clades. Within the Chasmantheroideae, the two clades recovered are here recognized as tribes Burasaieae and Coscinieae; within the Menispermoideae the seven identified clades are recognized as tribes Anomospermeae, Cissampelideae, Limacieae, Menispermeae, Pachygoneae, Spirospermeae, and Tiliacoreae. Of these, Spirospermeae is newly described, while the names, if not the circumscriptions, of the remaining tribes are adopted from earlier treatments. The subfamilies and most tribes here identified are further diagnosed by unique combinations of morphological characters. A few genera not sampled for the molecular analysis are provisionally assigned to the recognized tribes based on their floral, fruit, endocarp, and seed features.
Combined Transapical Transcatheter Aortic Valve Replacement and Thoracic Endovascular Aortic Repair for Severe Aortic Stenosis and Arch Aneurysm
Authors: Zhu Yuanjia , Roselli Eric , Idrees Jay , Kapadia Samir , Svensson Lars 
Published: January 2017

AbstractAn 83-year-old male with multiple comorbidities presented with critical aortic stenosis and a saccular aortic arch aneurysm. Through a mini thoracotomy, a balloon expandable transcatheter aortic valve was delivered transapically. A thoracic stent graft was then delivered through the prosthetic valve and deployed in the arch, while a covered stent was deployed in the left common carotid artery. Three-year postoperative computed tomography showed a thrombosed arch aneurysm with decreased size. This case demonstrates the feasibility of using combined transapical transcatheter technologies to treat multicomponent disease in a high-risk patient during a single operation.
Short Communication: Coral reef lifeform variation around power plant activity: Case study on coastal area of Paiton Power Plant, East Java, Indonesia
Authors: SAPTARINI DIAN , MUKHTASOR MUKHTASOR , RUMENGAN INNEKE F.M. 
Published: January 2017

Abstract. Saptarini D, Mukhtasor, Rumengan IFM. 2017. Coral reef lifeform variation around power plant activity: Case study on coastal area of Paiton Power Plant, East Java, Indonesia. Biodiversitas 18: 116-120. Heat water, a waste, generated by industries activity near coastal area had generally higher temperature than sea water. It affected to marine organism which used coastal area as their habitat. Coral reefs as one of coastal productive ecosystem had stenotolerant adaptive nature. That nature made them relatively stay on narrow spanning upon environment changing factors. This study obtained to understand various composition of coral lifeform around steam power plant at district of Paiton in Probolinggo, East Java province. Both coral reef and water observed in five area based on distance of heat water distribution and coral presence. Line transect method was unfold in 30m for sampling. Certain parameter like coral coverage area, diversity, and water temperature were collect as data barrier factor for it presence. The percentage of coral coverage area resulted among 48.37-75.33%, it ranked at middle till good level. ANOVA analysis gave significant different toward inter-location coral lifeform and observation location. The ecosystem consisted as massive (CM), foliose (CF), encrusting (CE) and Acropora branching coral (ACB) were dominantly coral types who living over there.
Keywords: Cooling water, coral branching, lifeform, temperature