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https://www.readbyqxmd.com/read/27910226/successful-treatment-of-post-dural-puncture-headache-using-epidural-fibrin-glue-patch-after-persistent-failure-of-epidural-blood-patches
#1
Kevin Wong, Brian R Monroe
OBJECTIVES: Epidural blood patch is the gold standard for the treatment of post-dural puncture headache (PDPH) when conservative treatments have failed to provide any relief. However, alternative therapies are lacking when epidural blood patch persistently fails to improve symptoms. Failure to treat PDPH may lead to significant functional impairment of daily living. Alternative therapies should be sought to accelerate recovery from PDPH. CASE REPORT: This case describes a woman who developed PDPH secondary to accidental dural puncture during a spinal cord stimulator trial...
December 2, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/27907019/the-effects-of-transdermally-delivered-oleanolic-acid-on-malaria-parasites-and-blood-glucose-homeostasis-in-p-berghei-infected-male-sprague-dawley-rats
#2
Happiness P Sibiya, Musa V Mabandla, Cephas T Musabayane
The present study investigated the effects of transdermally delivered oleanolic acid (OA) monotherapy and in combination with chloroquine (CHQ) on malaria parasites and glucose homeostasis of P. berghei-infected male Sprague-Dawley rats. Oral glucose test (OGT) responses to OA-pectin patch and CHQ-OA combination matrix patch were monitored in non-infected and infected rats. To evaluate the short-term effects of treatment, percentage parasitaemia, blood glucose, glycogen and plasma insulin were monitored in separate groups of animals treated with either OA-patch monotherapy or CHQ-OA combination pectin patch over a 21-days period...
2016: PloS One
https://www.readbyqxmd.com/read/27906941/epidural-blood-patch-for-the-treatment-of-spontaneous-and-iatrogenic-orthostatic-headache
#3
Yun So, Jung Min Park, Pil-Moo Lee, Cho Long Kim, Cheolhan Lee, Jae Hun Kim
BACKGROUND: The cerebrospinal fluid (CSF) leakage could be happened spontaneously or related to the procedures such as spinal anesthesia, epidural anesthesia, CSF tapping, intrathecal chemotherapy or other spinal procedures. The leakage of CSF leads to intracranial hypotension of which distinguishing clinical feature is orthostatic headache. The epidural blood patch is a gold-standard treatment for intracranial hypotension-related orthostatic headaches. OBJECTIVE: We conducted this study to compare the efficacy and number of epidural blood patches for spontaneous and iatrogenic orthostatic headaches...
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27904078/effect-of-nerolidol-and-or-levulinic-acid-on-the-thermotropic-behavior-of-lipid-lamellar-structures-in-the-stratum-corneum
#4
Shunichi Utsumi, Tomohiro Nakamura, Yasuko Obata, Noboru Ohta, Kozo Takayama
Permeation enhancers are required to deliver drugs through the skin efficiently and maintain effective blood concentrations. Studies of the barrier function of the stratum corneum using l-menthol, a monocyclic monoterpene widely used in medicines and foods, have revealed an interaction between characteristic intercellular lipid structures in the stratum corneum and permeation enhancers. The variety of permeation enhancers that can be used to contribute to transdermal delivery systems beyond l-menthol is increasing...
2016: Chemical & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27898921/using-estrus-detection-patches-to-optimally-time-insemination-improved-pregnancy-risk-in-suckled-beef-cows-enrolled-in-a-fixed-time-artificial-insemination-program
#5
S L Hill, D M Grieger, K C Olson, J R Jaeger, C R Dahlen, G A Bridges, F Dantas, J E Larson, A M Muth-Spurlock, J K Ahola, M C Fischer, G A Perry, E L Larimore, T L Steckler, W D Whittier, J F Currin, J S Stevenson
A multilocation study examined pregnancy risk (PR) after delaying AI in suckled beef cows from 60 to 75 h when estrus had not been detected by 60 h in response to a 7-d CO-Synch + progesterone insert (CIDR) timed AI (TAI) program (d -7: CIDR insert concurrent with an injection of GnRH; d 0: PGF injection and removal of CIDR insert; and GnRH injection at TAI [60 or 75 h after CIDR removal]). A total of 1,611 suckled beef cows at 15 locations in 9 states (CO, IL, KS, MN, MS, MT, ND, SD, and VA) were enrolled...
September 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27894522/nickel-free-vs-conventional-braces-for-patients-allergic-to-nickel-gingival-and-blood-parameters-during-and-after-treatment
#6
Camila Alessandra Pazzini, Luciano José Pereira, Leandro Silva Marques, Joana Ramos-Jorge, Tarcília Aparecida da Silva, Saul Martins Paiva
INTRODUCTION: Allergic and inflammatory reactions have commonly been associated with the release of metal ions during orthodontic treatment. Our objective was to evaluate prospectively gingival and blood status in patients allergic to nickel. METHODS: Allergy to nickel was diagnosed using a patch test. Two groups were established: conventional braces (n = 21) and nickel-free braces (n = 21). The gingival index was used to determine gingival status before treatment, periodically for 12 months (evaluations every 3 months), and 1 month after the removal of the braces...
December 2016: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/27894374/autologous-intratympanic-blood-patch-for-presumed-perilymphatic-fistulas
#7
P K Foster
OBJECTIVE: To assess an alternative to bed rest and surgery for suspected perilymphatic fistulas using intratympanic blood injections. METHOD: A review was conducted of patients' history, physical and audiometric data, before and after treatment by intratympanic blood injections performed from 2009 to 2015. RESULTS: Twelve ears were identified, with trauma associated with air travel, water sports or nose blowing. Ten of these cases had hearing loss, six had vestibular symptoms...
November 29, 2016: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/27889329/perivascular-cells-and-tissue-engineering-current-applications-and-untapped-potential
#8
REVIEW
Elisa Avolio, Valeria V Alvino, Mohamed T Ghorbel, Paola Campagnolo
The recent development of tissue engineering provides exciting new perspectives for the replacement of failing organs and the repair of damaged tissues. Perivascular cells, including vascular smooth muscle cells, pericytes and other tissue specific populations residing around blood vessels, have been isolated from many organs and are known to participate to the in situ repair process and angiogenesis. Their potential has been harnessed for cell therapy of numerous pathologies; however, in this Review we will discuss the potential of perivascular cells in the development of tissue engineering solutions for healthcare...
November 23, 2016: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27886718/detecting-retinal-microaneurysms-and-hemorrhages-with-robustness-to-the-presence-of-blood-vessels
#9
Ruchir Srivastava, Lixin Duan, Damon W K Wong, Jiang Liu, Tien Yin Wong
BACKGROUND AND OBJECTIVES: Diabetic Retinopathy is the leading cause of blindness in developed countries in the age group 20-74 years. It is characterized by lesions on the retina and this paper focuses on detecting two of these lesions, Microaneurysms and Hemorrhages, which are also known as red lesions. This paper attempts to deal with two problems in detecting red lesions from retinal fundus images: (1) false detections on blood vessels; and (2) different size of red lesions. METHODS: To deal with false detections on blood vessels, novel filters have been proposed which can distinguish between red lesions and blood vessels...
January 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/27885722/thrombin-responsive-transcutaneous-patch-for-auto-anticoagulant-regulation
#10
Yuqi Zhang, Jicheng Yu, Jinqiang Wang, Nicholas J Hanne, Zheng Cui, Chenggen Qian, Chao Wang, Hongliang Xin, Jacqueline H Cole, Caterina M Gallippi, Yong Zhu, Zhen Gu
A thrombin-responsive closed-loop patch is developed for prolonged heparin delivery in a feedback-controlled manner. This microneedle-based patch can sense activated thrombin and subsequently releases heparin to prevent coagulation in the blood flow. This "smart" heparin patch can be transcutaneously inserted into skin without drug leakage and can sustainably regulate blood coagulation in response to thrombin.
November 25, 2016: Advanced Materials
https://www.readbyqxmd.com/read/27884956/regional-effects-of-streptozotocin-induced-diabetes-on-shortening-and-calcium-transport-in-epicardial-and-endocardial-myocytes-from-rat-left-ventricle
#11
Manal M A Smail, Muhammad A Qureshi, Anatoliy Shmygol, Murat Oz, Jaipaul Singh, Vadym Sydorenko, Alya Arabi, Frank C Howarth, Lina Al Kury
In the heart, the left ventricle pumps blood at higher pressure than the right ventricle. Within the left ventricle, the electromechanical properties of ventricular cardiac myocytes vary transmurally and this may be related to the gradients of stress and strain experienced in vivo across the ventricular wall. Diabetes is also associated with alterations in hemodynamic function. The aim of this study was to investigate shortening and Ca(2+) transport in epicardial (EPI) and endocardial (ENDO) left ventricular myocytes in the streptozotocin (STZ)-induced diabetic rat...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27881847/epigenetic-regulation-of-l-type-voltage-gated-ca-2-channels-in-mesenteric-arteries-of-aging-hypertensive-rats
#12
Jingwen Liao, Yanyan Zhang, Fang Ye, Lin Zhang, Yu Chen, Fanxing Zeng, Lijun Shi
Accumulating evidence has shown that epigenetic regulation is involved in hypertension and aging. L-type voltage-gated Ca(2+) channels (LTCCs), the dominant channels in vascular myocytes, greatly contribute to arteriole contraction and blood pressure (BP) control. We investigated the dynamic changes and epigenetic regulation of LTCC in the mesenteric arteries of aging hypertensive rats. LTCC function was evaluated by using microvascular rings and whole-cell patch-clamp in the mesenteric arteries of male Wistar-Kyoto rats and spontaneously hypertensive rats at established hypertension (3 month old) and an aging stage (16 month old), respectively...
November 24, 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/27881786/neuronal-dysfunction-in-ipsc-derived-medium-spiny-neurons-from-chorea-acanthocytosis-patients-is-reversed-by-src-kinase-inhibition-and-f-actin-stabilization
#13
Nancy Stanslowsky, Peter Reinhardt, Hannes Glass, Norman Kalmbach, Maximilian Naujock, Niko Hensel, Verena Lübben, Arun Pal, Anna Venneri, Francesca Lupo, Lucia De Franceschi, Peter Claus, Jared Sterneckert, Alexander Storch, Andreas Hermann, Florian Wegner
: Chorea-acanthocytosis (ChAc) is a fatal neurological disorder characterized by red blood cell acanthocytes and striatal neurodegeneration. Recently, severe cell membrane disturbances based on depolymerized cortical actin and an elevated Lyn kinase activity in erythrocytes from ChAc patients were identified. How this contributes to the mechanism of neurodegeneration is still unknown. To gain insight into the pathophysiology, we established a ChAc patient-derived induced pluripotent stem cell model and an efficient differentiation protocol providing a large population of human striatal medium spiny neurons (MSNs), the main target of neurodegeneration in ChAc...
November 23, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27873224/therapeutic-potential-of-transdermal-glyceryl-trinitrate-in-the-management-of-acute-stroke
#14
Jason P Appleton, Nikola Sprigg, Philip M Bath
The nitric oxide donor, glyceryl trinitrate (GTN), is a candidate treatment for the management of acute stroke with haemodynamic and potential reperfusion and neuroprotective effects. When administered as a transdermal patch during the acute and subacute phases after stroke, GTN was safe, lowered blood pressure, maintained cerebral blood flow, and did not induce cerebral steal or alter functional outcome. However, when given within 6 h of stroke onset, GTN reduced death and dependency (odds ratio 0.52; 95% confidence interval 0...
November 21, 2016: CNS Drugs
https://www.readbyqxmd.com/read/27871494/current-surgical-management-of-carotid-body-tumors
#15
Victor J Davila, James M Chang, William M Stone, Richard J Fowl, Thomas C Bower, Michael L Hinni, Samuel R Money
BACKGROUND: Carotid body tumors (CBTs) are rare. Management guidelines may include genetic testing for succinate dehydrogenase (SDH) mutations. We performed an institutional review of the surgical management of CBT. METHODS: A retrospective analysis (1994-2015) of CBT excisions at our institution was performed. Data obtained included demographics, genetic testing (if performed), intraoperative details, postoperative morbidity, and long-term outcomes. Data from the first CBT excision were included in patients with bilateral tumors...
December 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27866687/glibenclamide-nanocrystals-in-a-biodegradable-chitosan-patch-for-transdermal-delivery-engineering-formulation-and-evaluation
#16
Hany S M Ali, Ahmed F Hanafy
Glibenclamide (GBD) nanocrystals (D50 = 429 nm) were engineered by applying combined precipitation and homogenization procedures. GBD crystallinity was maintained during the nanonization process as revealed by differential scanning calorimetry and X-ray analyses. Nanonized and micronized GBD were incorporated into chitosan solutions to fabricate transdermal delivery systems (TDDSs), nano- and micro-GBD, respectively. The fabricated TDDSs displayed satisfactory physicochemical characteristics without substantial aggregation of GBD nanocrystals during the casting and drying procedures...
November 17, 2016: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27865079/blood-flow-evaluation-using-pinpoint%C3%A2-in-a-case-of-incarcerated-inguinal-hernia-a-case-report
#17
Shunjin Ryu, Masashi Yoshida, Hironori Ohdaira, Nobuhiro Tsutsui, Norihiko Suzuki, Eisaku Ito, Keigo Nakajima, Satoru Yanagisawa, Masaki Kitajima, Yutaka Suzuki
Indocyanine green (ICG) fluorescence for intestinal blood flow has been reported, but application during laparoscopic surgery for incarcerated inguinal hernia has not been reported. Here, we report the case of a patient with an incarcerated inguinal hernia in whom the bowel was preserved after evaluation of intestinal blood flow with ICG fluorescence using PINPOINT®, a brightfield full-color, near-infrared fluorescence camera. A man in his 80s was diagnosed with incarcerated inguinal hernia and underwent laparoscopic surgery...
November 18, 2016: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/27861828/postural-headaches-due-to-cerebrospinal-fluid-leakage-through-subarachnoid-pleural-fistula-a-case-report
#18
Sheng-Feng Lin, Hsing-Yu Weng
BACKGROUND: Postural headaches are commonly associated with spontaneous intracranial hypotension and cerebrospinal fluid (CSF) leakage from the spine. A subarachnoid-pleural fistula (SPF) is a very rare and serious type of CSF fistula that has mostly been reported following traumatic causes. CASE REPORT: Here, the case of a 36-year-old woman who suffered from postural headaches after chiropractic manipulation of her neck was reported. Brain and spinal magnetic resonance (MR) imaging showed brain sagging, a C7-T1 dural defect, and overt CSF leakage...
November 10, 2016: Headache
https://www.readbyqxmd.com/read/27861178/use-of-prothrombin-complex-concentrate-for-warfarin-reversal-before-the-performance-of-an-epidural-blood-patch-in-a-patient-with-cortical-vein-thrombosis-and-subdural-hematoma
#19
Kallol Chaudhuri, Cooper W Phillips, Swapna Chaudhuri, John Wasnick
Compared to conventional therapy, several studies with prothrombin complex concentrate (PCC) have recently demonstrated its superior efficacy in rapidly replacing vitamin K-dependent factors for patients with life-threatening hemorrhage. We present a novel use of PCC in a patient with intracranial hypotension, who had received warfarin for treatment of cortical vein thrombosis. However, after anticoagulation, she proceeded to develop bilateral subdural hematomas with descent of cerebellar tonsils. Given the possibility of an occult dural puncture during labor analgesia, an epidural blood patch was performed after administration of PCC and normalization of coagulation parameters, with prompt improvement of the patient's headache...
November 17, 2016: A & A Case Reports
https://www.readbyqxmd.com/read/27856965/hedgehog-pathway-mediated-vascular-alterations-following-trigeminal-nerve-injury
#20
N Moreau, W Dieb, A Mauborgne, S Bourgoin, L Villanueva, M Pohl, Y Boucher
Whereas neurovascular interactions in spinal neuropathic pain models have been well characterized, little attention has been given to such neurovascular interactions in orofacial neuropathic pain models. This study investigated in male Sprague-Dawley rats the vascular changes following chronic constriction injury (CCI) of the infraorbital nerve (IoN), a broadly validated preclinical model of orofacial neuropathic pain. Following IoN-CCI, an early downregulation of tight junction proteins Claudin-1 and Claudin-5 was observed within the endoneurium and perineurium, associated with increased local accumulation of sodium fluorescein (NaFlu) within the IoN parenchyma, as compared with sham animals...
November 16, 2016: Journal of Dental Research
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