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https://www.readbyqxmd.com/read/28735438/adenosine-assisted-neurovascular-surgery-initial-case-series-and-review-of-literature
#1
REVIEW
Alaa Al-Mousa, Gahan Bose, Katharine Hunt, Ahmed K Toma
Cerebral aneurysms in complex anatomical locations and intraoperative rupture of aneurysms are challenging for neurosurgeons and anaesthetists alike. Mechanical and non-mechanical methods to reduce blood flow into aneurysms are well-recognised techniques to facilitate aneurysm exclusion from the circulation. Mechanical methods like temporary clipping of parent arteries, carotid artery ligation and endovascular balloon occlusion are commonly used in clinical practice. However, non-mechanical techniques such as rapid ventricular pacing and adenosine-induced cardiac standstill with hypotension are still emerging strategies...
July 22, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28735427/biomechanical-evaluation-of-distal-biceps-tendon-repair-using-tension-slide-technique-and-knotless-fixation-technique
#2
David D Savin, Hristo Piponov, Jonathan N Watson, Ari R Youderian, Farid Amirouche, Giovanni F Solitro, Mark R Hutchinson, Benjamin A Goldberg
BACKGROUND: Acute distal biceps tendon ruptures are uncommon injuries that often affect young active males, typically resulting from an eccentric load on their dominant extremity. The purpose of this study was to compare pullout strength and tendon gapping in the tension slide technique (TST) versus a knotless fixation technique (KFT). METHODS: Two sets of experiments were performed using cadaveric elbow specimens. In the first experiment, eight elbows from different cadavers were tested to compare TST with a standard locking whipstitch with KFT, four elbows in each group, using a standard locking whipstitch...
July 22, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28735142/bifurcation-location-and-growth-of-aneurysm-size-are-significantly-associated-with-an-irregular-shape-of-unruptured-intracranial-aneurysms
#3
Xin Feng, Baorui Zhang, Erkang Guo, Luyao Wang, Zenguhi Qian, Peng Liu, Xiaolong Wen, Wenjuan Xu, Chuhan Jiang, Youxiang Li, Zhongxue Wu, Aihua Liu
BACKGROUND AND OBJECTIVE: Previous studies firmly proved that an irregular aneurysmal shape was strongly associated with intracranial aneurysm (IA) rupture, but it is unclear how irregularly shaped intracranial aneurysms (IAs) form. We aimed to identify the factors related to irregular shape of IAs. METHOD: We retrospectively analyzed of consecutive patients evaluated or treated for IA at our institution from June 2015 to July 2016. According to the imaging morphology of aneurysm, the enrolled patients are divided into irregular and regular group...
July 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28735116/surgical-technique-of-percutaneous-iliosacral-screw-fixation-in-s3-level-in-unstable-pelvic-fracture-with-closed-degloving-injury-and-morrell-lavallee-lesion-two-case-reports
#4
Ismail H Dilogo, Jessica Fiolin
INTRODUCTION: Percutaneous screw fixation is considered the best option in unstable pelvic fracture with severe soft tissue injury. However, fixation technique at the level of S3 has not been well established. This paper showed the feasible surgical technique of S3 screw insertion in unstable pelvic fracture with severe soft tissue injury. METHODS: We reported 2 cases of unstable pelvic injury of an 11 years old boy with Marvin-Tile (MT) C1 pelvic fracture with sacroiliac (SI) joint disruption, skin avulsion and Morel-Lavallée lesion...
July 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28734943/deficits-in-col5a2-expression-result-in-novel-skin-and-adipose-abnormalities-and-predisposition-to-aortic-aneurysms-and-dissections
#5
Arick C Park, Noel Phan, Dawiyat Massoudi, Zhenjie Liu, John F Kernien, Sheila M Adams, Jeffrey M Davidson, David E Birk, Bo Liu, Daniel S Greenspan
Classic Ehlers-Danlos syndrome (cEDS) is characterized by fragile, hyperextensible skin and hypermobile joints. cEDS can be caused by heterozygosity for missense mutations in genes COL5A2 and COL5A1, which encode the α2(V) and α1(V) chains, respectively, of collagen V, and is most often caused by COL5A1 null alleles. However, COL5A2 null alleles have yet to be associated with cEDS or other human pathologies. We previously showed that mice homozygous null for the α2(V) gene Col5a2 are early embryonic lethal, whereas haploinsufficiency caused aberrancies of adult skin, but not a frank cEDS-like phenotype, as skin hyperextensibility at low strain and dermal "cauliflower"-contoured collagen fibril aggregates, two cEDS hallmarks, were absent...
July 19, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28734914/the-ongoing-quest-to-predict-plaque%C3%A2-rupture
#6
EDITORIAL
Habib Samady, David S Molony
No abstract text is available yet for this article.
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734913/uncovered-culprit-plaque-ruptures-in-patients-with-st-segment-elevation-myocardial-infarction-assessed-by-optical-coherence-tomography-and-intravascular-ultrasound-with-imap
#7
Mikkel Hougaard, Henrik Steen Hansen, Per Thayssen, Lisbeth Antonsen, Lisette Okkels Jensen
OBJECTIVES: This study assessed the incidence and course of healing of uncovered plaque ruptures (PR) following primary percutaneous coronary intervention. BACKGROUND: The infarct-related occlusion is frequently located at the lesion site with maximum thrombus burden, whereas the culprit PR may be situated more proximally or distally. METHODS: Uncovered PR in segments adjacent to the stent were identified by optical coherence tomography and intravascular ultrasound using iMap (Boston Scientific, Marlborough, Massachusetts) within 48 h and after 12 months...
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734911/plaque-rupture-in-coronary-atherosclerosis-is-associated-with-increased-plaque-structural-stress
#8
Charis Costopoulos, Yuan Huang, Adam J Brown, Patrick A Calvert, Stephen P Hoole, Nick E J West, Jonathan H Gillard, Zhongzhao Teng, Martin R Bennett
OBJECTIVES: The aim of this study was to identify the determinants of plaque structural stress (PSS) and the relationship between PSS and plaques with rupture. BACKGROUND: Plaque rupture is the most common cause of myocardial infarction, occurring particularly in higher risk lesions such as fibroatheromas. However, prospective intravascular ultrasound-virtual histology studies indicate that <10% higher risk plaques cause clinical events over 3 years, indicating that other factors also determine plaque rupture...
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734884/vascular-injury-caused-by-retrieval-of-ruptured-and-detached-balloon-valvuloplasty-catheter-during-transcatheter-aortic-valve-replacement
#9
Shunsuke Kubo, Yasushi Fuku, Takeshi Shimamoto, Akimune Kuwayama, Masanobu Ohya, Hidewo Amano, Takeshi Maruo, Tsuyoshi Goto, Tatsuhiko Komiya, Kazushige Kadota
No abstract text is available yet for this article.
July 13, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28734626/staged-treatment-of-mega-aortic-syndrome-using-the-frozen-elephant-trunk-and-hybrid-thoracoabdominal-repair
#10
Asimakis Gkremoutis, Andreas Zierer, Thomas Schmitz-Rixen, Ali El-Sayed Ahmad, Erhard Kaiser, Michael Keese, Thomas Schmandra
OBJECTIVE: We report our experience with a staged hybrid approach for the treatment of extended aortic disease, also known as "mega aortic syndrome." METHODS: A total of 15 patients (10 male, 5 female) underwent staged repair of the thoracoabdominal aorta, consisting of 3 separate stages (repair of ascending aorta and aortic arch using the frozen elephant trunk technique and hybrid thoracoabdominal repair with debranching of the renovisceral branches and stent graft implantation)...
June 24, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28734431/thoracic-endovascular-aortic-repair-including-total-debranching-on-femoral-artery-for-arch-rupture
#11
Yu Inaba, Tsutomu Ito, Sachiko Hayashi, Tatsuo Takahashi, Takahiko Misumi, Takashi Hachiya, Hideyuki Shimizu
A 94-year-old woman with rupture of a thoracic aortic aneurysm (rTAA) was referred to us. She previously underwent thoracic endovascular aortic repair and was considered to be at high risk for a conventional open operation. Therefore an endovascular procedure was planned. The proximal landing zone needed to be placed at the ascending aorta to seal a type 1a endoleak. A hybrid operation consisting of supraaortic total debranching on the common femoral artery and endovascular repair was performed. All debranched bypasses were patent and the aneurysm was excluded...
August 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28734428/rupture-of-anterolateral-papillary-muscle-resulting-from-small-artery-occlusion
#12
Tomoki Sakata, Kenji Mogi, Manabu Sakurai, Anan Nomura, Masahiko Fujii, Shinichiro Shimizu, Yoshiharu Takahara
A 69-year-old man was admitted to our hospital for dyspnea and fever. Echocardiography showed a mobile mass on the anterolateral papillary muscle and severe mitral regurgitation. Coronary artery angiography showed no stenotic lesion. Infective endocarditis or cardiac tumor was suspected, and a mitral valve operation was performed. Intraoperative observation revealed a partially ruptured anterolateral papillary muscle and no evidence of infection or tumor. Pathologic examination of the resected papillary muscle showed atherosclerotic changes in small arteries and infarcted areas in different postinfarct time phases along the ruptured edge...
August 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28733950/tendon-end-separation-with-loading-in-an-achilles-tendon-repair-model-comparison-of-non-absorbable-vs-absorbable-sutures
#13
Michael R Carmont, Jan Herman Kuiper, Karin Grävare Silbernagel, Jón Karlsson, Katarina Nilsson-Helander
BACKGROUND: Rupture of the Achilles tendon often leads to long-term morbidity, particularly calf weakness associated with tendon elongation. Operative repair of Achilles tendon ruptures leads to reduced tendon elongation. Tendon lengthening is a key problem in the restoration of function following Achilles tendon rupture. A study was performed to determine differences in initial separation, strength and failure characteristics of differing sutures and numbers of core strands in a percutaneous Achilles tendon repair model in response to initial loading...
December 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/28733907/multiple-intracranial-aneurysms-a-direct-hemodynamic-comparison-between-ruptured-and-unruptured-vessel-malformations
#14
Philipp Berg, Oliver Beuing
PURPOSE: Despite numerous studies addressing the rupture risk of intracranial aneurysms that have been published, the assessment thereof still remains challenging. Image-based simulations enable a precise prediction of patient-specific blood flow information. However, those approaches normally consider only small segments of the complete cerebral vasculature. METHODS: To test the validity of the consideration of single aneurysms in one computational setup, domains of the complete anterior and posterior circulations with multiple intracranial aneurysms (MIA) were simulated...
July 21, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28733225/microneurosurgical-clip-ligation-of-acutely-ruptured-cerebral-aneurysm-immediately-preceded-by-intentional-subtotal-endovascular-coil-embolization-under-a-single-anesthesia-observations-using-a-deliberate-combined-sequential-treatment-strategy-in-13-cases
#15
Jeffrey E Thomas, Jack C Rose
BACKGROUND: Endovascular coil embolization and craniotomy with clip ligation are the two most commonly used treatments for ruptured cerebral aneurysm. While coiling maintains the advantages of brevity and complete avoidance of brain retraction and manipulation, clipping offers the benefits of decompression of the injured brain and lower aneurysm recurrence rates. A combined, immediately sequential treatment strategy for acutely ruptured cerebral aneurysm that simultaneously maximizes the advantages of both techniques, while minimizing their respective disadvantages, may be a useful paradigm...
July 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28732948/real-time-monitoring-of-controllable-cavitation-erosion-in-a-vessel-phantom-with-passive-acoustic-mapping
#16
Shukuan Lu, Aiwei Shi, Bowen Jing, Xuan Du, Mingxi Wan
Cavitation erosion in blood vessel plays an important role in ultrasound thrombolysis, drug delivery, and other clinical applications. The controllable superficial vessel erosion based on ultrasonic standing wave (USW) has been used to effectively prevent vessel ruptures and haemorrhages, and optical method is used to observe the experiments. But optical method can only work in transparent media. Compared with standard B-mode imaging, passive acoustic mapping (PAM) can monitor erosion in real time and has better sensitivity of cavitation detection...
November 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28732042/numerical-study-on-the-lubrication-performance-of-compression-ring-cylinder-liner-system-with-spherical-dimples
#17
Cheng Liu, Yan-Jun Lu, Yong-Fang Zhang, Sha Li, Norbert Müller
The effects of surface texture on the lubrication performance of a compression ring-cylinder liner system are studied in this paper. By considering the surface roughness of the compression ring and cylinder liner, a mixed lubrication model is presented to investigate the tribological behaviors of a barrel-shaped compression ring-cylinder liner system with spherical dimples on the liner. In order to determine the rupture and reformulation positions of fluid film accurately, the Jacoboson-Floberg-Olsson (JFO) cavitation boundary condition is applied to the mixed lubrication model for ensuring the mass-conservative law...
2017: PloS One
https://www.readbyqxmd.com/read/28731402/twenty-four-hour-emergency-intervention-versus-early-intervention-in-aneurysmal-subarachnoid-hemorrhage
#18
Joseph R Linzey, Craig Williamson, Venkatakrishna Rajajee, Kyle Sheehan, B Gregory Thompson, Aditya S Pandey
OBJECTIVE Recent observational data suggest that ultra-early treatment of ruptured aneurysms prevents rebleeding, thus improving clinical outcomes. However, advances in critical care management of patients with ruptured aneurysms may reduce the rate of rebleeding in comparison with earlier trials, such as the International Cooperative Study on the Timing of Aneurysm Surgery. The objective of the present study was to determine if an ultra-early aneurysm repair protocol will or will not significantly reduce the number of incidents of rebleeding following aneurysmal subarachnoid hemorrhage (SAH)...
July 21, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28731129/expression-profile-of-c19mc-micrornas-in-placental-tissue-of-patients-with-preterm-prelabor-rupture-of-membranes-and-spontaneous-preterm-birth
#19
Ilona Hromadnikova, Katerina Kotlabova, Katarina Ivankova, Ladislav Krofta
The aim of the study was to demonstrate that preterm birth (PTB) is associated with altered C19MC microRNA expression profile in placental tissues. Gene expression of 15 placental specific microRNAs (miR‑512‑5p, miR‑515‑5p, miR‑516‑5p, miR‑517‑5p, miR‑518b, miR‑518f‑5p, miR‑519a, miR‑519d, miR‑519e‑5p, miR‑520a‑5p, miR‑520h, miR‑524‑5p, miR‑525‑5p, miR‑526a and miR‑526b‑5p) was compared between groups: 34 spontaneous PTB, 108 preterm prelabor rupture of membranes (PPROM) and 20 term in labor pregnancies...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28731023/an-extinct-volcano-a-stable-ruptured-coronary-plaque-shown-by-oct-imaging
#20
Giampiero Vizzari, Alessandro DI Giorgio, Giuseppe Andò, Francesco Saporito
No abstract text is available yet for this article.
October 2017: Minerva Cardioangiologica
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