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https://www.readbyqxmd.com/read/28817739/three-dimensional-volumetric-changes-in-severely-resorbed-alveolar-sockets-after-ridge-augmentation-with-bovine-derived-xenograft-and-resorbable-barrier-a-preliminary-study-on-cbct-imaging
#1
Valeria Manavella, Federica Romano, Lisa Corano, Cristina Bignardi, Mario Aimetti
PURPOSE: The primary aim of the study was to describe a novel technique to evaluate volumetric hard tissue dimensional changes after ridge augmentation procedures. The secondary aim was to apply this newly developed measuring method to compromised alveolar sockets grafted with a slowly resorbing biomaterial covered with a collagen membrane. MATERIALS AND METHODS: Eleven patients (6 men and 5 women, mean age 52.7 ± 8.3 years) requiring extraction of one hopeless tooth for severe periodontitis in the maxillary anterior area were consecutively treated with a ridge augmentation procedure...
August 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28815221/a-modified-efficient-purse-string-stapling-technique-mest-that-uses-a-new-metal-rod-for-intracorporeal-esophagojejunostomy-in-laparoscopic-total-gastrectomy
#2
REVIEW
Takeshi Omori, Jeong-Ho Moon, Kazuyoshi Yamamoto, Yoshitomo Yanagimoto, Keijirou Sugimura, Hiroshi Miyata, Masahiko Yano, Masato Sakon
Intracorporeal esophagojejunostomy after laparoscopic total gastrectomy is technically difficult because this procedure should be performed in a narrow surgical field in the upper abdomen even when completely laparoscopic approaches are used. The placement of the anvil of a circular stapling device into the esophagus and connection the instrument to the anvil are extremely difficult steps in this surgery. Therefore, we developed a simple technique for intracorporeal esophagojejunostomy using hemi-double stapling technique; we named this technique the efficient purse-string stapling technique (EST)...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28814898/reducing-rectal-injury-in-men-receiving-prostate-cancer-radiation-therapy-current-perspectives
#3
REVIEW
Nicholas A Serrano, Noah S Kalman, Mitchell S Anscher
Dose escalation is now the standard of care for the treatment of prostate cancer with radiation therapy. However, the rectum tends to be the dose-limiting structure when treating prostate cancer, given its close proximity. Early and late toxicities can occur when the rectum receives large doses of radiation therapy. New technologies allow for prevention of these toxicities. In this review, we examine the evidence that supports various dose constraints employed to prevent these rectal injuries from occurring...
2017: Cancer Management and Research
https://www.readbyqxmd.com/read/28812462/severe-intrauterine-amputations-in-one-dichorionic-twin-with-pentalogy-of-cantrell-further-evidence-and-consideration-for-mechanical-teratogenesis
#4
Víctor M Salinas-Torres, Estivaliz A De La O-Espinoza, Rafael A Salinas-Torres
Pentalogy of Cantrell (PC) is characterized by midline supraumbilical abdominal wall defect, lower sternum defect, anterior diaphragmatic and pericardial defect, and congenital cardiac anomalies. Several etiological influences have been postulated, however, most of the reported cases are sporadic. In addition, evidence for mechanical teratogenesis in PC is limited. Here, we describe in one dichorionic twin with complete PC, additional severe intrauterine amputations (mainly head and neck) not previously reported resultant from mechanical teratogenesis...
September 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28812383/evaluation-of-relationship-between-coronary-artery-status-evaluated-by-coronary-computed-tomography-angiography-and-development-of-cardiomyopathy-in-carbon-monoxide-poisoned-patients-with-myocardial-injury-a-prospective-observational-study
#5
Yong Sung Cha, Hyun Kim, Yoonsuk Lee, Woocheol Kwon, Jung-Woo Son, Hyun Youk, Hyung Il Kim, Oh Hyun Kim, Kyung Hye Park, Kyoung-Chul Cha, Kang Hyun Lee, Sung Oh Hwang
OBJECTIVES: Whether coronary artery changes are a main mechanism in the development of carbon monoxide (CO)-induced cardiomyopathy remains unknown. We investigated the effects of coronary artery stenosis on the presence or patterns of cardiomyopathy in CO-poisoned patients with myocardial injury defined as elevation of troponin I. MATERIALS AND METHODS: This prospective observational study collected data from consecutive patients who were diagnosed with CO poisoning and myocardial injury during the 24-month study period...
August 16, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28808931/robotic-total-pelvic-exenteration-video-illustrated-technique
#6
Ioannis T Konstantinidis, William Chu, Federico Tozzi, Clayton Lau, Mark Wakabayashi, Kevin Chan, Byrne Lee
BACKGROUND: Robotic-assisted total pelvic exenteration (TPE) can offer a minimally invasive approach to a major multi-organ operation. METHODS: In this video, we summarize a stepwise approach to robotic TPE in a 70 year-old female Jehovah's witness with a history of cervical cancer post-chemoradiation and radical hysterectomy who experienced local recurrence at the vaginal cuff involving the rectum and bladder. RESULTS: The patient was placed in the lithotomy position...
August 14, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28808799/transorbital-endoscopic-approach-for-exposure-of-the-sylvian-fissure-middle-cerebral-artery-and-crural-cistern-an-anatomical-study
#7
João Paulo Almeida, Armando S Ruiz-Treviño, Sathwik R Shetty, Sacit B Omay, Vijay K Anand, Theodore H Schwartz
BACKGROUND: The availability of minimal access instrumentation and endoscopic visualization has revolutionized the field of minimally invasive skull base surgery. The transorbital endoscopic approach using an eyelid incision has been proposed as a new minimally invasive technique for the treatment of skull base pathology, mostly extradural tumors. Our study aims to evaluate the anatomical aspects and potential role of the transorbital endoscopic approach for exposure of the sylvian fissure, middle cerebral artery and crural cistern...
August 14, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28805613/a-complicated-urethrovaginal-fistula-following-an-inappropriate-urethral-diverticulum-management
#8
Tsia-Shu Lo, Sukanda Bin Jaili, Rami Ibrahim
OBJECTIVE: Urethral diverticulum is uncommon, therefore appropriate evaluation, preoperative planning and counseling must be done in order to make correct diagnosis and prevent complications. MATERIALS AND METHODS: A case of anterior vaginal wall mass was treated elsewhere by a gynecologist as periurethral cyst abscess; incision and drainage were done but a symptom of pus discharge was observed after 2 weeks. Therefore, exploration, cyst wall excision and primary closure were done though histopathological examination surprisingly confirmed the presence of urethral tissue suggestive of diverticulum...
August 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28802944/what-are-patient-goals-after-an-anterior-colporrhaphy-operation
#9
Sabrina J Kousgaard, Jonna Bjørk, Karin Glavind
OBJECTIVES: The aim of this study was to describe patient-reported goals after an anterior colporrhaphy operation for anterior vaginal wall prolapse, the fulfilment of goals, and the correlation with subjective patient-reported outcomes. STUDY DESIGN: A prospective study involving 100 women. Preoperatively, patients completed three modified questions from the International Consultation on Incontinence Questionnaire - Vaginal Symptoms (ICIQ-VS) named ICIQ-VS short form (ICIQ-VS SF) and stated three goals for the operation...
August 4, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28801863/pedicle-screw-fixation-in-thoracolumbar-and-lumbar-spine-assisted-by-lateral-fluoroscopic-imaging-a-study-to-evaluate-the-accuracy-of-screw-placement
#10
S P Mohanty, S N Bhat, M Pai Kanhangad, G S Gosal
BACKGROUND: The purpose of this study was to evaluate the accuracy of pedicle screw placement, its advantages, and limitations in posterior instrumentation of thoracolumbar and lumbar burst fractures assisted only by lateral fluoroscopic imaging. MATERIALS AND METHODS: Pre- and postoperative computerized tomographic (CT) scans of 117 patients with thoracolumbar and lumbar burst fractures, who underwent posterior instrumentation with pedicle screw fixation, were prospectively analyzed...
August 11, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28801279/-high-frequency-echocardiography-for-assessment-of-regional-wall-motion-abnormality-and-cardiac-function-in-mice-with-myocardial-infarction
#11
Jing Wang, Wei-Jiang Tan, Xiang Li, Gui-Ping Zhang, Jia-Yuan Huang, Xiao-Hong Chen, Qian Lei, Feng-Hua Yang, Ren Huang
OBJECTIVE: To evaluate the value of high-frequency echocardiography in assessing cardiac structure and function in a mouse model of myocardial infarction. METHODS: Twenty-five C57BL/6 mice were randomly divided into sham-operated group (n=10) and myocardial infarction model group (n=15) established by ligation of the left anterior descending artery. The cardiac structure, regional wall motion and cardiac function of mice were examined with pulsed wave Doppler (PWD), tissue Doppler imaging (TDI), EKV and M-mode echocardiography 3 days before and at 1 week after the operation...
August 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28801075/doppler-assessment-of-diastolic-function-reflect-the-severity-of-injury-in-rats-with-chronic-heart-failure
#12
Pablo Sanchez, Jordan J Lancaster, Kyle Weigand, Saffie-Alrahman Ezz-Eldin Mohran, Steven Goldman, Elizabeth Juneman
OBJECTIVE: For chronic heart failure (CHF), more emphasis has been placed on evaluation of systolic as opposed to diastolic function. Within the study of diastology, measurements of left ventricular (LV) longitudinal myocardial relaxation have the most validation. Anterior wall radial myocardial tissue relaxation velocities along with mitral valve inflow (MVI) patterns are applicable diastolic parameters in the differentiation between moderate and severe disease in the ischemic rat model of CHF...
August 8, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28800013/metastatic-acinic-cell-carcinoma-to-the-vagina-a-first-reported-case
#13
Marianne Hom, Andrew Fong, Melissa Sanford, Paulette Mhawech-Fauceglia
This is a case of a 62-year-old woman with a remote history of acinic cell carcinoma of the parotid gland, who presented with a palpable vaginal mass, anterior vaginal wall prolapse, and stress urinary incontinence. A 2 cm firm mobile mass on the anterior vaginal wall was found on clinical examination. A computed tomographic scan revealed a mass between the vaginal vault and bladder that was eventually surgically excised. The histology, supported by the immunohistochemistry, revealed metastatic acinic cell carcinoma to the vagina after 37 years of her initial diagnosis...
August 9, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28795041/extra-gastrointestinal-stromal-tumor-presenting-as-an-anterior-chest-wall-mass
#14
Junghyeon Lim, Sung Woo Cho, Hee Sung Lee, Hyoung Soo Kim, Yong Han Kim, Bong Suk Park
A 71-year-old man was referred for an anterior chest wall mass. Chest computed tomography (CT) and positron emission tomography-CT suggested a malignant tumor. Surgical biopsy through a vertical subxiphoid incision revealed an extra-gastrointestinal stromal tumor (EGIST). En bloc resection of the tumor, including partial resection of the sternum, costal cartilage, pericardium, diaphragm, and peritoneum, was performed. Pathologic evaluation revealed a negative resection margin and confirmed the tumor as an EGIST...
August 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28793046/influence-of-the-tilt-angle-of-percutaneous-aortic-prosthesis-on-velocity-and-shear-stress-fields
#15
Bruno Alvares de Azevedo Gomes, Gabriel Cordeiro Camargo, Jorge Roberto Lopes Dos Santos, Luis Fernando Alzuguir Azevedo, Ângela Ourivio Nieckele, Aristarco Gonçalves Siqueira-Filho, Glaucia Maria Moraes de Oliveira
Background: Due to the nature of the percutaneous prosthesis deployment process, a variation in its final position is expected. Prosthetic valve placement will define the spatial location of its effective orifice in relation to the aortic annulus. The blood flow pattern in the ascending aorta is related to the aortic remodeling process, and depends on the spatial location of the effective orifice. The hemodynamic effect of small variations in the angle of inclination of the effective orifice has not been studied in detail...
August 7, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28791480/a-more-realistic-disc-herniation-model-incorporating-compression-flexion-and-facet-constrained-shear-a-mechanical-and-microstructural-analysis-part-ii-high-rate-or-surprise-loading
#16
Zhi Shan, Kelly R Wade, Meredith L Schollum, Peter A Robertson, Ashvin Thambyah, Neil D Broom
PURPOSE: Part I of this study explored mechanisms of disc failure in a complex posture incorporating physiological amounts of flexion and shear at a loading rate considerably lower than likely to occur in a typical in vivo manual handling situation. Given the strain-rate-dependent mechanical properties of the heavily hydrated disc, loading rate will likely influence the mechanisms of disc failure. Part II investigates the mechanisms of failure in healthy discs subjected to surprise-rate compression while held in the same complex posture...
August 8, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28791184/acute-myocardial-infarction-caused-by-an-anomalous-right-coronary-artery-occlusion-presenting-with-precordial-st-elevation
#17
Bruno da Silva Matte, Alexandre Damiani Azmus
Acute coronary syndrome with precordial ST segment elevation is usually related to left anterior descending artery occlusion, although isolated right ventricular infarction has been described as a cause of ST elevation in V1-V3 leads. We present a case of a patient with previous inferior wall infarction and new acute ST elevation myocardial infarction (STEMI) due to proximal right coronary thrombotic occlusion resulting in right ventricular infarction with precordial ST elevation and sinus node dysfunction...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28789617/left-ventricular-longitudinal-function-assessment-in-rabbits-after-acute-occlusion-of-left-anterior-descending-coronary-artery-by-two-dimensional-speckle-tracking-imaging
#18
Jun Huang, Zi-Ning Yan, Li Fan, Yi-Fei Rui, Xiang-Ting Song
ABSTACT: BACKGROUND: To evaluate the left ventricular (LV) longitudinal function changes in rabbits after acute occlusion of the left anterior descending artery (LAD) by two-dimensional speckle tracking imaging (2D-STI). METHODS: Forty-eight New Zealand white rabbits underwent echocardiography examination. EchoPAC was used to measure LV peak systolic longitudinal strain (LS) of the endocardium, middle myocardium, and epicardium, peak longitudinal strain rate (LSr), segmental and global longitudinal rotation (LR) degrees...
August 8, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28782135/ultrasound-evaluation-of-left-ventricular-and-aortic-fibrosis-after-pre-eclampsia
#19
Rossana Orabona, Edoardo Sciatti, Enrico Vizzardi, Ivano Bonadei, Federico Prefumo, Adriana Valcamonico, Marco Metra, Tiziana Frusca
OBJECTIVES: Myocardial fibrosis is linked with adverse clinical outcomes in adults. The objective was to investigate the presence of myocardial and/or aortic fibrosis in asymptomatic women with a history of early-onset (EO) or late-onset (LO) pre-eclampsia (PE) by echocardiographic calibrated integrated backscatter (cIBS). METHODS: 30 women who experienced pregnancies complicated by EOPE, 30 with a previous LOPE and 30 controls were retrospectively selected from our electronic database and then recalled from 6 months to 4 years after delivery...
August 7, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28780839/-feasibility-and-value-of-index-of-microcirculatory-resistance-in-patients-with-acute-myocardial-infarction-after-primary-percutaneous-coronary-intervention
#20
J L Han, L Y He, M Cui, Y Z Zhang, X B Liu, X Y Xu, Y P Wang, F F Wang, G S Wang, J Niu, F C Zhang, L Mi, L J Guo, W Gao
Objective: To evaluate the feasibility of detecting index of microcirculatory resistance (IMR) and the relationship between IMR and left ventricular (LV) systolic function after acute myocardial infarction (AMI) undergoing primary percutaneous coronary intervention (PCI). Methods: The patients with first AMI received primary PCI in Peking University Third Hospital were enrolled from January 2014 to March 2016. IMR were measured immediately after PCI by using pressure/temperature wire. The relationship between IMR and left ventricular ejection fraction (LVEF) assessed by echocardiography at first day and 6 months after admission was evaluated...
August 1, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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