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Turki A. Al-Ajmi,Khalid H. Al-Faryan,Naif F. Al-Kanaan,Abdulmalik A. Al-Khodair,Thamer H. Al-Faryan,Maher I. Al-Oraini,Abdulelah F Bassas 대한정형외과학회 2018 Clinics in Orthopedic Surgery Vol.10 No.1
Background: Surgical and conservative methods have been reported by various studies for high rates of fracture union and subsequent regain of function among patients with undisplaced or minimally-displaced scaphoid fractures. Hence, this study aims to analyze the best available evidence to comprehend the relative benefits and risks of these therapeutic options. Methods: A systematic search of the literature from different databases and search engines was performed with strict eligibility criteria to obtain the highest quality of evidence. All randomized controlled trials delineating the outcomes of surgical versus conservative treatments for acute undisplaced or minimally-displaced scaphoid fractures were included and then evaluated using scoring tools: Cochrane risk of bias tool and PEDro scale. Data were pooled using random-effects models with standard mean differences for continuous outcomes and risk ratios for dichotomous variables. Results: The search yielded 339 potentially related articles, further trimmed down to eight studies based on the eligibility criteria. The meta-analysis revealed that surgical treatment resulted in significantly better functional outcomes than conservative treatment. Furthermore, surgery resulted in the prevention of delayed union of fractures and reduction of time needed to return to work. Conclusions: While four studies reported advantages of surgical treatment, evidence was insufficient to provide a definitive conclusion that surgery is a better option. Due to the significant limitations with respect to certain variables, the superiority of one method to the other could not be established.
Wesam Al Khateeb,Razan Kanaan,Tamam El-Elimat,Muhammad Alu’datt,Jamil Lahham,Ahmad El-Oqlah 한국원예학회 2017 Horticulture, Environment, and Biotechnology Vol.58 No.4
Lavenders (Lavandula species) are important aromatic ornamental medicinal plants with wide rangingapplications in perfume and pharmaceutical industries. We developed an in vitro propagation protocol for Lavandulacoronopifolia. Murashige and Skoog (MS) medium supplemented with 0.5 mg・L-1N6-benzyladenine was the bestmedium for the proliferation of microshoots, while the highest rooting frequency was obtained using MS mediumsupplemented with 1.0 mg・L-1indole-3-butyric acid. Inter-simple sequence repeat analysis revealed that the invitro-propagated microshoots were highly genetically stable, even after subculture. The highest callus fresh weight(667.9 mg) was obtained by propagating on medium supplemented with a combination of 1.0 mg・L-1naphthaleneaceticacid and 0.5 mg・L-1butyric acid. Using the Folin-Ciocalteu method, methanolic extracts of wild L. coronopifoliarevealed total phenolic content of 4.9 mg expressed in gallic acid equivalents (GAE) (mg GAE・g-1dry matter). Radicalscavenging activity was estimated at 85% using the free radical 2,2-diphyenyl-picrylhydrazyl assay. Using the brineshrimp assay for cytotoxicity, the methanolic extract was found to be nontoxic. Finally, liquid chromatography tandemmass spectrometry with standard reference compounds was used to quantify the key phenolic compounds in both invitro and in vivo-grown L. coronopifolia. Six major phenolic compounds were identified: caffeic acid, rosmarinic acid,rutin, quercetin, luteolin, and hesperidin. Levels of these phenolic compounds were highest in wild plant extracts.
The pulsation modes of the pre-white dwarf PG 1159-035
Costa, J. E. S.,Kepler, S. O.,Winget, D. E.,O'Brien, M. S.,Kawaler, S. D.,Costa, A. F. M.,Giovannini, O.,Kanaan, A.,Mukadam, A. S.,Mullally, F.,Nitta, A.,Provenç,al, J. L.,Shipman, H.,Wood, M. A EDP Sciences 2008 Astronomy and astrophysics Vol.477 No.2