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https://www.readbyqxmd.com/read/30116022/increased-expression-of-musashi-1-evidences-mesenchymal-repair-in-maxillary-sinus-floor-elevation
#1
Francisco O'Valle, Juan G de Buitrago, Pedro Hernández-Cortés, Miguel Padial-Molina, Vicente Crespo-Lora, Marien Cobo, David Aguilar, Pablo Galindo-Moreno
This study aimed to analyze the expression of Musashi-1 (MSI1) in maxillary native bone and grafted bone after maxillary sinus floor elevation. To do so, fifty-seven bone biopsies from 45 participants were studied. Eighteen samples were collected from native bone while 39 were obtained 6 months after maxillary sinus grafting procedures. Musashi-1 was analyzed by immunohistochemistry and RT-PCR. MSI1 was detected in osteoblasts and osteocytes in 97.4% (38/39) of grafted areas. In native bone, MSI1 was detected in only 66...
August 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/30115103/intravenous-ivabradine-versus-placebo-in-patients-with-low-cardiac-output-syndrome-treated-by-dobutamine-after-elective-coronary-artery-bypass-surgery-a-phase-2-exploratory-randomized-controlled-trial
#2
Lee S Nguyen, Pierre Squara, Julien Amour, Daniel Carbognani, Kamel Bouabdallah, Stéphane Thierry, Caroline Apert-Verneuil, Aurélie Moyne, Bernard Cholley
BACKGROUND: Low cardiac output syndrome (LCOS) is a severe condition which can occur after cardiac surgery, especially among patients with pre-existing left ventricular dysfunction. Dobutamine, its first-line treatment, is associated with sinus tachycardia. This study aims to assess the ability of intravenous ivabradine to decrease sinus tachycardia associated with dobutamine infused for LCOS after coronary artery bypass graft (CABG) surgery. METHODS: In a phase 2, multi-center, single-blind, randomized controlled trial, patients with left ventricular ejection fraction below 40% presenting sinus tachycardia of at least 100 beats per minute (bpm) following dobutamine infusion for LCOS after CABG surgery received either intravenous ivabradine or placebo (three ivabradine for one placebo)...
August 17, 2018: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/30113598/-valve-sparing-aortic-root-replacement-david-procedure-in-36-year-old-woman-with-the-marfan-syndrome-at-the-27th-week-of-pregnancy
#3
V V Bazylev, E V Rosseykin, M E Evdokimov, M A Pantyukhina
The article presents a clinical case of valve sparing aortic root replacement (David Procedure) in 36 year - old woman with the Marfan syndrome at the 27th week of gestation followed by successful prolongation of pregnancy. Indications for reconstructive intervention with cardiopulmonary bypass were: severe aortic valve insufficiency, Sinus of Valsalva Aneurysm (66 mm) and the ascending aorta dilatation (53 mm) with a rapid increase of aortic root dimension (12 mm during 9 weeks). The patient underwent a valve sparing aortic root replacement according to David procedure using Gelweave Valsalva graft (Vascutec) No 28 The time of cardiopulmonary bypass was 137 minutes; the time of aortic cross-clamping was 107 minutes...
2018: Khirurgiia
https://www.readbyqxmd.com/read/30113083/interventions-for-treating-oro-antral-communications-and-fistulae-due-to-dental-procedures
#4
REVIEW
Salian Kiran Kumar Krishanappa, Prashanti Eachempati, Sumanth Kumbargere Nagraj, Naresh Yedthare Shetty, Soe Moe, Himanshi Aggarwal, Rebecca J Mathew
BACKGROUND: An oro-antral communication is an unnatural opening between the oral cavity and maxillary sinus. When it fails to close spontaneously, it remains patent and is epithelialized to develop into an oro-antral fistula. Various surgical and non-surgical techniques have been used for treating the condition. Surgical procedures include flaps, grafts and other techniques like re-implantation of third molars. Non-surgical techniques include allogenic materials and xenografts. This is an update of a review first published in May 2016...
August 16, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/30111325/ykl-40-is-highly-expressed-in-the-epicardial-adipose-tissue-of-patients-with-atrial-fibrillation-and-associated-with-atrial-fibrosis
#5
Qing Wang, Hua Shen, Jie Min, Yang Gao, Kai Liu, Wang Xi, Jie Yang, Liang Yin, Jibin Xu, Jian Xiao, Zhinong Wang
BACKGROUND: YKL-40 (CHI3L1) is a novel biomarker for inflammation, tissue remodeling, and fibrosis, as well as cardiovascular diseases. We investigated the association between YKL-40 expression in epicardial adipose tissue (EAT) and atrial fibrosis in patients with atrial fibrillation (AF). METHODS: Blood samples, subcutaneous adipose tissue (SAT), paracardial adipose tissue (PAT), EAT, and adjacent atrial myocardium were acquired from patients receiving coronary artery bypass grafts...
August 15, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/30107582/lateral-transorbital-versus-endonasal-transpterygoid-approach-to-the-lateral-recess-of-the-sphenoid-sinus-a-comparative-anatomic-study
#6
Joao T Alves-Belo, Joao Mangussi-Gomes, Huy Q Truong, Salomon Cohen, Paul A Gardner, Carl H Snyderman, S Tonya Stefko, Eric W Wang, Juan C Fernandez-Miranda
BACKGROUND: The treatment of cerebrospinal fluid leaks of the lateral recess of the sphenoid sinus (LRSS) faces difficulties due to the deep location of the osseous defect. When treated with craniotomies, brain retraction is a concern. The endoscopic endonasal transpterygoid approach (EETA) is a direct and less invasive procedure; however, it may require transection of the vidian nerve (VN). OBJECTIVE: To investigate the feasibility of a lateral transorbital approach (LTOA) as an alternative pathway to the LRSS that avoids VN sacrifice...
August 9, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/30104560/short-implants-and-conventional-implants-in-the-residual-maxillary-alveolar-ridge-a-36-month-follow-up-observation
#7
Jakub Hadzik, Maciej Krawiec, Paweł Kubasiewicz-Ross, Agata Prylińska-Czyżewska, Tomasz Gedrange, Marzena Dominiak
BACKGROUND Short dental implants are considered an alternative method of treatment to the maxillary sinus elevation and bone augmentation procedure at the sites of a reduced alveolar ridge height. The aim of the study was to determine the most effective therapeutic approach for a single tooth replacement in a reduced maxillary alveolar crest. MATERIAL AND METHODS We enrolled 30 partially edentulous patients having a residual crestal height of 6 mm and a minimal width of the alveolar ridge of 6-7 mm: 15 patients received regular dental implants (OsseoSpeed™ L11 Ø4 mm and L13 Ø4 mm) and the implantation was preceded by the sinus lift procedure from a lateral window approach with the application of a xenogeneic bone graft, whereas the remaining 15 patients received short implants (OsseoSpeed™ L6 mm Ø4 mm) without the sinus lift and augmentation procedure...
August 14, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/30096773/histologic-and-histomorphometric-analysis-of-bone-regeneration-with-bovine-grafting-material-after-24-months-of-healing-a-case-report
#8
Renzo Guarnieri, Fabrizio Belleggia, Patricia DeVillier, Luca Testarelli
Anorganic bovine bone mineral matrix (ABBMM) has been reported to have osteoconductive properties and no inflammatory or adverse responses when used as grafting material in sinus augmentation procedures. However, controversy remains in regard to degradation rate of ABBMM. The aim of this study was to histologically and histomorphometrically evaluate the degradation of ABBMM in human bone samples obtained in one patient 24 months after sinus augmentation. MATERIALS AND METHODS: The histologic and histomorphometric analysis was performed by means of light microscopy in three specimens harvested from the same patient, Results: After 24 months the tissue pattern appeared to be composed of residual particles, some in close contact with the newly formed bone, others separated by translucent areas and osteoid tissues...
August 8, 2018: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/30094221/dual-inflow-total-arterial-anaortic-off-pump-coronary-artery-bypass-grafting-how-to-do-it
#9
REVIEW
Fabio Ramponi, Michael Seco, James B Edelman, Andrew G Sherrah, Paul G Bannon, R John L Brereton, Michael K Wilson, Michael P Vallely
Coronary surgery performed on an arrested heart, using one internal mammary artery and a saphenous vein carries two main potential drawbacks: the known failure rate of vein grafts and the relatively high rate of neurologic injury. To address these concerns, we describe a technique that achieves complete revascularization without manipulating the ascending aorta (anaortic, off-pump) and utilizing total arterial grafts. All patients undergo thorough preoperative investigation, including bilateral carotid, vertebral and subclavian artery Duplex ultrasounds...
July 2018: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/30081008/haptic-physical-and-web-based-simulators-are-they-underused-in-maxillofacial-surgery-training
#10
REVIEW
Samantha G Maliha, J Rodrigo Diaz-Siso, Natalie M Plana, Andrea Torroni, Roberto L Flores
PURPOSE: Surgical residencies have increasingly incorporated both digital and mannequin simulation into their training programs. The aim of our review was to identify all digital and mannequin maxillofacial simulators available for education and training, highlight their benefit, and critically assess the evidence in support of these educational resources. MATERIALS AND METHODS: We performed a comprehensive literature review of all peer-reviewed publications of digital and mannequin simulators that met the inclusion criteria, defined as any simulator used in education or training...
August 3, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/30075137/the-crestal-window-approach-for-sinus-floor-grafting-with-delayed-implant-placement-a-preliminary-report
#11
Michael S Block
This technical note addresses a method to increase the height of the posterior maxilla using a crestal window approach. This approach decreases the need for use of the lateral window approach and provides clinicians with an alternative with less morbidity. An island of crestal bone is mobilized superiorly and the site is grafted, resulting in 4 to 10 mm of vertical bone augmentation in a thin crest. A small case series is presented with implants integrated into these grafts.
July 9, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/30060066/high-rate-of-recurrence-at-long-term-follow-up-after-new-onset-atrial-fibrillation-during-acute-myocardial-infarction
#12
Charles Guenancia, Clémence Toucas, Laurent Fauchier, Karim Stamboul, Fabien Garnier, Basile Mouhat, Audrey Sagnard, Luc Lorgis, Marianne Zeller, Yves Cottin
Aims: Silent and symptomatic atrial fibrillation (AF) are common during acute myocardial infarction (AMI), and associated with higher in-hospital and 1-year mortality. Are silent and symptomatic AF associated with higher rates of AF recurrence after hospitalization for AMI? Methods and results: All consecutive patients admitted for AMI between January 2012 and August 2015 were prospectively analysed by continuous electrocardiogram monitoring <48 h after admission...
July 27, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/30058532/effects-of-leukocyte-platelet-rich-fibrin-l-prf-in-different-intraoral-bone-grafting-procedures-a-systematic-review
#13
REVIEW
P Dragonas, T Katsaros, G Avila-Ortiz, L Chambrone, J H Schiavo, A Palaiologou
This systematic review aimed to assess the effects of leukocyte-platelet-rich fibrin (L-PRF) on bone regeneration, soft tissue healing, and postoperative complications in patients undergoing ridge preservation, ridge augmentation, and maxillary sinus augmentation procedures. A comprehensive literature search was conducted by two independent reviewers. Only randomized and non-randomized controlled clinical trials were selected. Outcome data were extracted and critically analyzed. A total of 17 articles were included in the qualitative synthesis...
July 6, 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/30054807/u-shaped-durotomy-for-midline-posterior-fossa-tumor-removal-technical-note-and-evaluation-of-results
#14
Julian Zipfel, Rousinelle da Silva Freitas, Laura Maria Lafitte, Cahit Kural, Martin U Schuhmann
BACKGROUND: The classical dura opening for midline posterior fossa tumors in and around the 4th ventricle and the craniocervical junction is a Y-shaped incision. Several potential problems are associated with this technique. We used a technical variant, the U-shaped durotomy, previously described by Rhoton, offering several advantages. We report on the surgical results of the technique in a consecutive series of posterior fossa cases in children and adolescents. METHODS: In all midline posterior fossa approaches, a U-shaped dural incision is standard in our institution...
July 27, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/30050947/comparative-histological-and-histomorphometric-results-of-six-biomaterials-used-in-two-stage-maxillary-sinus-augmentation-model-after-6-month-healing
#15
Gerardo La Monaca, Giovanna Iezzi, Maria Paola Cristalli, Nicola Pranno, Gian Luca Sfasciotti, Iole Vozza
Objectives: To evaluate the performances of six different bone substitute materials used as graft in maxillary sinus augmentation by means of histological and histomorphometric analysis of bone biopsies retrieved from human subjects after a 6-month healing period. Materials and Methods: Six consecutive patients (3 males, 3 females, aged 50-72 years), healthy, nonsmokers, and with good oral hygiene, presenting edentulous posterior maxilla with a residual bone crest measuring ≤ 4 mm in vertical height and 3 to 5 mm in horizontal thickness at radiographic examination, were selected to receive sinus augmentation and delayed implant placement...
2018: BioMed Research International
https://www.readbyqxmd.com/read/30048350/osteotome-mediated-sinus-floor-elevation-with-or-without-a-grafting-material-a-systematic-review-and-meta-analysis-of-long-term-studies-%C3%A2-5-years
#16
Hanna Aludden, Arne Mordenfeld, Mats Hallman, Ann-Eva Christensen, Thomas Starch-Jensen
OBJECTIVE: To test the hypothesis of no difference in the long-term treatment outcome after osteotome-mediated sinus floor elevation with or without a grafting material. MATERIALS AND METHODS: A MEDLINE/PubMed, Cochrane Library, and EMBASE search in combination with a hand-search of relevant journals was conducted, including human studies published in English from January 1, 1986 to December 1, 2017. RESULTS: One comparative and 7 noncomparative studies fulfilled the inclusion criteria...
August 2018: Implant Dentistry
https://www.readbyqxmd.com/read/30042248/-traumatic-disruption-of-the-aortic-root-and-the-ascending-aorta-with-multisystem-trauma-report-of-a-case
#17
Tetsuyuki Ueda, Masami Sotokawa, Akihiro Nakagaki, Kazuhiro Tani, Shingo Ohtaka, Akira Murata
We report a case of traumatic disruption of the aortic root with multisystem trauma. A 45-year-old male was suffered from multiple injuries including subarachnoid hemorrhage, lung contusion, retroperitoneal hematoma and femoral bone fracture caused by a traffic accident. He had a history of 3 cardiac surgeries including repair of atrioventricular septal defect and mitral valve replacement using a mechanical valve. Contrast-enhanced computed tomography (CT) revealed leakage of the contrast medium from the aortic root and a filling defect on the right coronary artery...
June 2018: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/30036142/prosthetically-driven-therapy-for-a-patient-with-systemic-lupus-erythematosus-and-common-variable-immunodeficiency-a-case-report
#18
Alexander Samuel Drew, Nurit Bittner, Whitney Florin, Alia Koch
Dental implant therapy on patients with systemic diseases in conjunction with severely resorbed maxillary and mandibular bone present a challenge for dental rehabilitation. This case report describes the interdisciplinary comprehensive treatment completed on a patient with systemic lupus erythematosus (SLE) and common variable immunodeficiency (CVID). Patients with these systemic conditions present a multifactorial challenge for dental treatment due to advanced carious lesions, missing teeth, lack of adequate bone quality and quantity, in addition to the secondary effects of their medications...
July 23, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/30015745/hypertelorism-secondary-to-mucocele-in-the-paranasal-sinuses
#19
Nicolas Solano, Bairon Castro, Luis Sarmiento, Jondalys Lopez, Luis Añez
Ocular hypertelorism was introduced by Greig as an increased interpupillary distance. The paranasal sinus mucoceles are acquired lesions for various reasons; however, their behavior is progressive, capable of eroding the bone and extending to the orbital and intracranial regions. The objective is to present a clinical case of orbital hypertelorism secondary to mucocele in the paranasal sinuses. This is a 72-year-old male patient who came presenting an increase in volume in the right nasoorbitoethmoidal region...
July 13, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/30011240/association-of-smoking-habits-and-height-of-residual-bone-on-implant-survival-rate-in-lateral-sinus-lift-a-retrospective-study
#20
Luigi Barbato, Niccolò Baldi, Alessio Gonnelli, Marco Duvina, Michele Nieri, Paolo Tonelli
The primary aim was to evaluate the association of patient related factors, biomaterials and implant characteristics on complications' rate of sinus graft surgery and on implant survival rate in grafted sinus. Secondary aims were to measure bone remodelling around implants and the patients' satisfaction. A retrospective cohort study was designed. Patients who had computer tomography before sinus surgery (T0), orthopantomography after implant surgery (T1) and at follow-up (T2), were included. Specific forms were used to collect clinical data...
July 16, 2018: Journal of Oral Implantology
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