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Vascular genetics surgery

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https://www.readbyqxmd.com/read/28558378/pial-arteriovenous-fistula-and-capillary-malformation-arteriovenous-malformation-associated-with-rasa1-mutation-2-pediatric-cases-with-successful-surgical-management
#1
A Jessey Chugh, Asim Shahid, Sunil Manjila, Deepak Gulati, Nicholas C Bambakidis
We present case reports of 2 pediatric patients who were both found to have pial arteriovenous fistulas (AVFs) with subsequent genetic analysis revealing mutations in the RASA1 gene. Considering their family history of distinct cutaneous lesions, these mutations were likely inherited as opposed to de novo mutations. Patient 1 had large capillary malformations on the left side of the face and neck, associated with macrocephaly, and presented at the age of 32 months with speech delay, right-sided weakness, and focal seizures involving the right side of the body...
May 31, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28555287/genetic-diagnostics-of-inherited-aortic-diseases-medical-strategy-analysis
#2
Y von Kodolitsch, K Kutsche
Genetic aortic syndromes (GAS) include Marfan, Loeys-Dietz, vascular Ehlers-Danlos, and Turner syndrome as well as congenital bicuspid aortic valve. The clinical management of these diseases has certain similarities and differences. We employed medical strategy analysis to test the utility of genetic diagnostics in the management of GAS. We chose the standpoint of the cardiologist for our analysis. In the first step, the medical goals in the management of GAS are specified. In the second step, the accuracy of genetic diagnostics for GAS is examined...
May 29, 2017: Herz
https://www.readbyqxmd.com/read/28486967/pseudoxanthoma-elasticum
#3
REVIEW
Dominique P Germain
Pseudoxanthoma elasticum (PXE) is a genetic metabolic disease with autosomal recessive inheritance caused by mutations in the ABCC6 gene. The lack of functional ABCC6 protein leads to ectopic mineralization that is most apparent in the elastic tissues of the skin, eyes and blood vessels. The clinical prevalence of PXE has been estimated at between 1 per 100,000 and 1 per 25,000, with slight female predominance. The first clinical sign of PXE is almost always small yellow papules on the nape and sides of the neck and in flexural areas...
May 10, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28473444/role-of-adipose-tissue-endothelial-adam17-in-age-related-coronary-microvascular-dysfunction
#4
Huijuan Dou, Attila Feher, Alec C Davila, Maritza J Romero, Vijay S Patel, Vinayak M Kamath, Monika Beck Gooz, R Daniel Rudic, Rudolf Lucas, David J Fulton, Neal L Weintraub, Zsolt Bagi
OBJECTIVE: A disintegrin and metalloproteinase ADAM17 (tumor necrosis factor-α [TNF]-converting enzyme) regulates soluble TNF levels. We tested the hypothesis that aging-induced activation in adipose tissue (AT)-expressed ADAM17 contributes to the development of remote coronary microvascular dysfunction in obesity. APPROACH AND RESULTS: Coronary arterioles (CAs, ≈90 µm) from right atrial appendages and mediastinal AT were examined in patients (aged: 69±11 years, BMI: 30...
June 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28429283/use-of-hormones-tissue-factors-and-bioengineering-in-the-management-of-hypospadias
#5
Aparajita Mitra, Yogesh Kumar Sarin
Hypospadiology is a rapidly evolving field. Progress in the understanding of how hormonal therapy affects the growth of the phallus has allowed surgeons to optimize the tissues for surgery. But conflicting data from a number of studies and a lack of consensus on drugs, their dosing, mode of delivery and timing of use means that the creation of protocols is unlikely to happen in the near future. Nonetheless, there is a hope and the standardization of scientific reporting will make it easier to compare data at the global level...
April 21, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28347576/familial-classic-trigeminal-neuralgia
#6
B Fernández Rodríguez, C Simonet, D M Cerdán, N Morollón, P Guerrero, C Tabernero, J Duarte
INTRODUCTION: The classic form of trigeminal neuralgia is usually sporadic (no familial clustering). However, around 2% of all cases of trigeminal neuralgia may be familial. Describing this entity may be useful for diagnosing this process and may also be key to determining the underlying causes of sporadic classical trigeminal neuralgia. We report on cases in a series of 5 families with at least 2 members with classic trigeminal neuralgia, amounting to a total of 11 cases. MATERIAL AND METHODS: We recorded cases of familial classical trigeminal neuralgia between March 2014 and March 2015 by systematically interviewing all patients with a diagnosis of trigeminal neuralgia who visited the neurology department on an outpatient basis...
March 24, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28323122/exome-analysis-of-the-evolutionary-path-of-hepatocellular-adenoma-carcinoma-transition-vascular-invasion-and-brain-dissemination
#7
Sílvia Vilarinho, E Zeynep Erson-Omay, Kisha Mitchell-Richards, Charles Cha, Carol Nelson-Williams, Akdes Serin Harmancı, Katsuhito Yasuno, Murat Günel, Tamar H Taddei
Hepatocellular adenoma (HCA) is a rare benign liver tumor, predominantly seen in young women. Its major complications are malignant transformation, spontaneous hemorrhage, and rupture. We describe a case of a young female with no underlying liver disease who presented with acute abdominal pain and was found to have a 17cm heterogeneous mass in the left lobe of the liver. She underwent left hepatectomy and pathology revealed a 14cm moderately differentiated hepatocellular carcinoma (HCC) arising in a shell of a HCA...
March 18, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28297040/repair-of-total-tractional-retinal-detachment-in-norrie-disease-report-of-technique-and-successful-surgical-outcome
#8
Bozho Todorich, Aristomenis Thanos, Yoshihiro Yonekawa, Antonio Capone
Norrie disease is a rare, but devastating cause of pediatric retinal detachment, universally portending a poor visual prognosis. This paper describes successful surgical management of an infant with total retinal detachment associated with Norrie disease mutation. The infant was a full-term white male who presented with bilateral total funnel retinal detachments (RDs). He underwent genetic testing, which demonstrated single-point mutation 133 G>A transition in exon 2 of the NDP gene. The retinal detachment was managed with translimbal iridectomy, lensectomy, capsulectomy, and vitrectomy...
March 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28255959/a-novel-ccm1-krit1-heterozygous-nonsense-mutation-c-1864c-t-associated-with-familial-cerebral-cavernous-malformation-a-genetic-insight-from-an-8-year-continuous-observational-study
#9
Chenlong Yang, Van Halm-Lutterodt Nicholas, Jizong Zhao, Bingquan Wu, Haohao Zhong, Yan Li, Yulun Xu
Cerebral cavernous malformation (CCM) is a congenital vascular abnormality that predominantly affects the central nervous system, but that sometimes encroaches other vital tissues, including the retina, skin, and even liver. The familial form of CCM (FCCM) is considered to be an autosomal dominant disease with incomplete penetrance and variable expression, which is often attributed to mutations in three genes: CCM1, CCM2, and CCM3. We screened a Chinese family diagnosed with FCCM by using Sanger sequencing...
March 2, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28220199/-novel-pharmaceutical-treatment-approaches-for-gastric-cancer
#10
F Lordick
This review article delineates novel approaches for the pharmaceutical treatment of gastric cancer. A newly developed molecular classification of gastric cancer based on histology, genetic, epigenetic and proteomic characteristics has evolved. It provides a road map for development of new drugs and combinations as well as for patient stratification in clinical research and it is expected to be introduced into clinical practice in the near future. Anti-HER2 targeted treatment is a validated strategy for treatment of metastatic gastric cancer and is now also being studied in the perioperative setting to increase response rates and ultimately survival in patients undergoing curative surgery; however, the resistance mechanisms of HER2-targeted treatment are poorly understood and optimal patient selection remains challenging...
February 20, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28213069/a-pilot-study-of-cell-mediated-gene-therapy-for-spinal-cord-injury-in-mini-pigs
#11
Rustem Robertovich Islamov, Mikhail Evgenyevich Sokolov, Farid Vagizovich Bashirov, Filip Olegovich Fadeev, Maxim Michaylovich Shmarov, Boris Savelyevich Naroditskiy, Tatyana Vyacheslavovna Povysheva, Gulnara Ferdinantovna Shaymardanova, Radik Albertovich Yakupov, Yuri Aleksandrovich Chelyshev, Igor Aleksandrovich Lavrov
Currently, in clinical practice there is no efficient way to overcome the sequences of neurodegeneration after spinal cord traumatic injury. Using a new experimental model of spinal cord contusion injury on miniature pigs, we proposed to deliver therapeutic genes encoding vascular endothelial growth factor (VEGF), glial cell line-derived neurotrophic factor (GDNF) and neural cell adhesion molecule (NCAM) to the damaged area, using umbilical cord blood mononuclear cells (UCBC). In this study, genetically engineered UCBC (2×10(6) cells in 200 ml of saline) were injected intrathecally to mini-pigs 10days after SCI...
February 14, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28197794/therapeutic-options-in-refractory-diabetic-macular-oedema
#12
REVIEW
Sanket U Shah, Raj K Maturi
Diabetic macular oedema (DMO) results from alterations of several biochemical pathways in diabetic eyes. Centre-involving DMO is an important cause of visual loss in diabetes. Anti-vascular endothelial growth factor agents are now the mainstay of centre-involving DMO treatment. Oedema that does not achieve optimal response to these agents occurs in a sizeable proportion of eyes and is called refractory or persistent DMO. Management of refractory DMO is challenging. In this paper, the pathophysiology of DMO, and the definitions used in various studies are summarised...
April 2017: Drugs
https://www.readbyqxmd.com/read/28153617/the-susceptibility-pathogenesis-of-moyamoya-disease
#13
REVIEW
Juntao Hu, Jie Luo, Qianxue Chen
Moyamoya disease (MMD) is a cerebrovascular disease characterized by progressive stenosis of the intracranial internal carotid arteries and their proximal branches. Epidemiologically, MMD is more prevalent in East Asia than any other region worldwide, and has been estimated at 0.94 per 100,000 in the Japanese and 0.43 per 100,000 in the Chinese population. The etiology of this rare disease, however, remains unknown. Regarding biomarkers, MMD is characterized by an increased expression of angiogenic factors and proinflammatory molecules such as vascular endothelial growth factors and matrix metalloproteinase-9, which may partly explain its clinical manifestations of the pathologic angiogenesis, spontaneous hemorrhage, and greater incidence of cerebral hyperperfusion after revascularization surgery...
May 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28122484/anatomic-peculiarities-of-pig-and-human-liver
#14
Andriy Nykonenko, Petr Vávra, Pavel Zonča
Many investigations on surgical methods and medical treatment are currently done on pigs. This is possible because the pig is sufficiently close genetically to humans. In recent years, progress in liver surgery has opened new possibilities in surgical treatment of liver diseases. Because the methods are relatively novel, various improvements are still needed, and it is thus helpful to conduct experimental surgeries on pig livers. We reviewed the literature to compare the anatomic and functional features of pig and human livers, information that will be of great importance for improving surgical techniques...
February 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28121209/combined-treatment-with-intravitreal-bevacizumab-and-laser-photocoagulation-for-exudative-maculopathy-in-facioscapulohumeral-muscular-dystrophy
#15
Rita Matos, João Beato, Marta Silva, Sérgio Silva, Elisete Brandão, Fernando Falcão-Reis, Susana Penas
PURPOSE: To report a rare case of exudative maculopathy in a patient with facioscapulohumeral muscular dystrophy (FSHD), and its management. METHODS: Observational case report. RESULTS: A 62-year-old man with genetically confirmed FSHD was referred to our department complaining of decreased visual acuity in his left eye. At presentation, right eye examination was unremarkable and best-corrected visual acuity (BCVA) was 20/20. Left eye BCVA was 20/100 and it presented a dense cataract with the evidence of macular lipid exudation...
January 25, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28011470/advances-in-experimental-targeted-therapy-and-immunotherapy-for-patients-with-glioblastoma-multiforme
#16
REVIEW
Jiri Polivka, Jiri Polivka, Lubos Holubec, Tereza Kubikova, Vladimir Priban, Ondrej Hes, Kristyna Pivovarcikova, Inka Treskova
Glioblastoma multiforme (GBM) represents the most malignant primary brain tumor in adults with generally dismal prognosis, early clinical deterioration and high mortality. GBM is extremely invasive, characterized by intense and aberrant vascularization and high resistance to multimodal treatment. Standard therapy (surgery, radiotherapy and chemotherapy with temozolomide) has very limited effectiveness, with median overall survival of patients no longer than 15 months. Progress in genetics and epigenetics of GBM over the past decade has revealed various aberrations in cellular signaling pathways, the tumor microenvironment, and pathological angiogenesis...
2017: Anticancer Research
https://www.readbyqxmd.com/read/28002537/cerebral-arteriopathy-with-subcortical-infarcts-and-leukoencephalopathy-in-acromegalic-patient-with-severe-headache
#17
LuminiŢa Nicoleta Cima, Simona Vasilica Fica, Alice Ioana Albu, Ioana Maria Lambrescu, Ioana SmărăndiŢa Lăcău, Bogdan Ovidiu Popescu, Mihaela Gherghiceanu, Corin Virgil Badiu, Carmen Gabriela Barbu
A 68-year-old female patient was admitted in our clinic with severe frontal bilateral headache, dizziness, depression and cognitive decline in the context of a previously diagnosed acromegaly. She also had high blood pressure, dyslipidemia, secondary diabetes mellitus. Acromegaly was caused by a growth hormone (GH) secreting-pituitary macroadenoma, so a transsphenoidal surgery was performed. The postoperative magnetic resonance imaging (MRI) scan revealed a 20÷22÷25 mm pituitary mass remnant and medical therapy with somatostatin analogues (SSAs) was started...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27975139/foramina-parietalia-permagna-familial-and-radiological-evaluation-of-two-cases-and-review-of-literature
#18
Larissa Gabor, Huseyin Canaz, Gokhan Canaz, Nursu Kara, Elif Yilmaz Gulec, Ibrahim Alatas
PURPOSE: Foramina parietalia permagna is a variable intramembranous ossification defect of the parietal bones. Foramina parietalia permagna have an autosomal dominant inheritance, and it is showed that mutations in chromosome 5 and 11 are causing this anomaly. Enlarged parietal foramina occurs extremely rare. They are usually asymptomatic, but occasional headache, vomiting, pain over unprotected cerebral cortex, and seizures may be experienced by the patients. In the literature, some associated congenital bony defects, soft tissue pathologies, underlying neuronal deficits, and vascular variations have been described...
December 14, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27973464/pathogenesis-of-diverticulosis-and-diverticular-disease
#19
Marjorie M Walker, Angela K Harris
Diverticulosis is defined by the presence of diverticula due to herniation of mucosa and muscularis mucosa through the muscularis propria at sites of vascular penetration in the colon and is asymptomatic in the vast majority affected. There are global differences of distribution, in Western industrialized societies, the most common site is in the left colon, but in Asia right sided diverticulosis predominates. Whilst present in 17.5% of a general population and 42% of all comers at endoscopy it is seen in 71% of those aged ≥80 years...
June 2017: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/27959277/endothelial-dysfunction-may-play-a-key-role-in-keloid-and-hypertrophic-scar-pathogenesis-keloids-and-hypertrophic-scars-may-be-vascular-disorders
#20
Rei Ogawa, Satoshi Akaishi
Keloids and hypertrophic scars are fibroproliferative disorders (FPDs) of the skin that result from abnormal healing of injured or irritated skin. They can be called pathological or inflammatory scars. Common causes are trauma, burn, surgery, vaccination, skin piercing, folliculitis, acne, and herpes zoster infection. The pathogenesis of these scars clearly involves local conditions such as delayed wound healing, wound depth, and the tension of the skin around the scars. Scar severity is also shaped by interactions between these local factors and genetic and systemic factors such as hypertension and sex hormones...
November 2016: Medical Hypotheses
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