Academic literature on the topic 'Medical column insufficiency'

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Journal articles on the topic "Medical column insufficiency"

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Sitdikov, F. G., В. I. Mugerman, and F. R. Zotova. "Clinico-rheoencephalographic correlations in deaf children." Kazan medical journal 78, no. 1 (1997): 26–28. http://dx.doi.org/10.17816/kazmj81103.

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The reasons of hearing disorder in children are studied. The neurologic and rheoencephalographic examination of 37 girls from the Medical and Pedagogical Center for children with hearing pathology aged 1011 is performed. The signs of unheavy lesion of the cervical part of vertebral column and brain are revealed in 18 children. The signs of circulatory insufficiency in vertebrobasilar basin are revealed on rheoencephalograms in these children. It is proposed that the reason of deafness in many children is the natal trauma of the cervical part of vertebral column and vertebral arteries.
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Rusimov, Lyubomir. "Dual plate fixation of unstable proximal humerus fractures: A Narrative review." Bulgarian Society of Medical Sciences Journal 7 (May 19, 2025): e144938. https://doi.org/10.3897/bsms.7.144938.

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Introduction: Medial column instability has been identified as a key factor contributing to the increased failure rates observed after locking plate (LP) fixation for unstable proximal humerus fractures (PHFs). Recent studies have reported promising biomechanical and clinical outcomes with the use of LP fixation augmented by an additional plate for medial column stabilization. The current article provides an overview of the available clinical literature for dual plate fixation of unstable PHFs with medial column instability. Materials and methods: For the arrangement of this narrative, non-sys
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Annesley, Thomas M., and Larry T. Clayton. "Ultraperformance Liquid Chromatography–Tandem Mass Spectrometry Assay for Iohexol in Human Serum." Clinical Chemistry 55, no. 6 (2009): 1196–202. http://dx.doi.org/10.1373/clinchem.2008.121533.

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Abstract Background: Iohexol is an iodinated contrast dye that has been shown to be useful in the estimation of glomerular filtration rate (GFR) in patients with suspected renal insufficiency. We developed and validated an ultraperformance liquid chromatography (UPLC)–triple quadrupole mass spectrometry (MS/MS) assay for quantifying iohexol in human serum. Methods: Sample preparation involved dilution of 50 μL serum with 400 μL water, followed by protein precipitation with zinc sulfate and methanol containing the structural analog ioversol as the internal standard. After 1:20 dilution of the s
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Taylor, Robert L., Dwaine Machacek, and Ravinder J. Singh. "Validation of a High-Throughput Liquid Chromatography–Tandem Mass Spectrometry Method for Urinary Cortisol and Cortisone." Clinical Chemistry 48, no. 9 (2002): 1511–19. http://dx.doi.org/10.1093/clinchem/48.9.1511.

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Abstract Background: Urinary free cortisol and cortisone measurements are useful in evaluation of Cushing syndrome, apparent mineralocorticoid excess, congenital adrenal hyperplasia, and adrenal insufficiency. To reduce analytical interference, improve accuracy, and shorten the analysis time, we developed a liquid chromatography–tandem mass spectrometry (LC-MS/MS) method for urinary cortisol and cortisone. Methods: We added 190 pmol (70 ng) of stable isotope cortisol-9,11,12,12-d4 to 0.5 mL of urine as an internal standard before extraction. The urine was extracted with 4.5 mL of methylene chl
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Braschi, Caitlyn, John Doucette, and Ajai Chari. "Characterization of B12 Deficiency in Patients with Plasma Cell Disorders." Blood 126, no. 23 (2015): 5330. http://dx.doi.org/10.1182/blood.v126.23.5330.5330.

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Abstract Background: Although vitamin B12 deficiency has been reported in patients with plasma cell dyscrasias (PCDs), no mechanism has been identified. Excess free light chains (FLCs), readily measurable by the serum FLC assay since 2001, could disrupt the renal proximal tubule receptors megalin and cubulin where B12 is reabsorbed. We sought to identify risk factors for B12 deficiency in PCD patients to elucidate a possible mechanism. In particular, we hypothesized that rates of B12 deficiency would be higher in PCD patients with higher FLC burdens. Methods: Of 1482 patients with ICD9 codes f
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Schmidt, N. A., H. J. Borburgh, T. J. Penders, and C. W. Weykamp. "Steroid profiling--an update." Clinical Chemistry 31, no. 4 (1985): 637–39. http://dx.doi.org/10.1093/clinchem/31.4.637.

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Abstract Extraction of steroids from urine with C18 solid-phase extraction cartridges results in an extract containing impurities. If, during the extraction of hydrolyzed urine, an amino (NH2) column is placed in series with the C18 column, then one obtains a sample that is sufficiently clean for gas-chromatographic analysis. Analytical recovery of dehydroepiandrosterone from urine is considerably decreased by the use of increasing amounts of Helix pomatia enzyme preparation. Extraction of the steroid conjugates from urine with C18 columns before the hydrolysis stage is essential for hydrolysi
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Krouwer, J. S., and B. Schlain. "A method to quantify deviations from assay linearity." Clinical Chemistry 39, no. 8 (1993): 1689–93. http://dx.doi.org/10.1093/clinchem/39.8.1689.

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Abstract We present a statistical method to quantify deviations from linearity for assays that veer from linear assay responses. Our procedure handles the common case of unequally spaced analyte levels and nonconstant variance and provides a least-squares estimate with a confidence interval for the amount of deviation from assay linearity at a specified analyte concentration. This estimate of assay bias due to nonlinearity goes beyond the NCCLS EP6 lack-of-fit test, which tests for only the presence of nonlinearity. Knowing that nonlinearity is present is insufficient; users need to know the m
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Lavrenyuk, Evgeniy Andreevich, and V. D. Vagner. "COMPARATIVE QUALITY ASSESSMENT OF THE COMPLITION OF DENTAL PATIENT'S MEDICAL CARD WITH THE DISEASES OF PULP AND PERIAPICAL TISSUES IN THE STOMATOLOGICAL MEDICAL ORGANIZATIONS WITH THE VARIETY OF FORMS OF PROPERTY." Russian Journal of Dentistry 22, no. 2 (2018): 103–6. http://dx.doi.org/10.18821/1728-2802-2018-22-2-103-106.

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The article presents the results of quality assessment of the completion of medical cards of dental patients in dental medical organizations of various forms of ownership in Ryazan. The analysis of the columns of medical cards containing the description of diagnostic measures indicates insufficient attention in completing this section of the Medical Card of Dental Patient both in private and public Medical Dental Organizations.
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Nekhlopochyn, Oleksii S., Anna N. Nikiforova, Vadim V. Verbov, Tetyana A. Yovenko, and Ievgen V. Cheshuk. "Analysis of the Epidemiology of Traumatic Vertebral Column Injuries in Eastern European Countries." Ukrainian Neurosurgical Journal 29, no. 4 (2023): 22–34. http://dx.doi.org/10.25305/unj.286922.

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Vertebral column fractures (VCF), despite their relatively small proportion in the overall structure of human musculoskeletal trauma, represent a significant medical and social problem. Even injuries not accompanied by neurological deficits often lead to persistent impairments in the functional capacity of the affected individuals, significantly affecting their quality of life, employability, and social activity. The epidemiology of spinal trauma is insufficiently understood, largely due to the difficulty in accurately assessing its true frequency. Existing literature on the epidemiology of ve
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Kamiya, Hiroyuki, and Ogee Mer Panlaqui. "A systematic review of the efficacy of direct hemoperfusion with a polymyxin B–immobilized fibre column to treat rapidly progressive interstitial pneumonia." SAGE Open Medicine 7 (January 2019): 205031211986182. http://dx.doi.org/10.1177/2050312119861821.

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Objectives: Rapidly progressive interstitial pneumonia is a fatal disease with no established therapeutic options. The aim of this systematic review is to clarify the efficacy of interstitial pneumonia treatment utilizing direct hemoperfusion with a polymyxin B–immobilized fibre column. Methods: All patients with adult-onset rapidly progressive interstitial pneumonia including acute exacerbation of underlying chronic interstitial pneumonia were eligible. Primary studies of any design, which compared outcomes of direct hemoperfusion with a polymyxin B–immobilized fibre column treatment such as
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Conference papers on the topic "Medical column insufficiency"

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Stemper, Brian D., Narayan Yoganandan, Jamie L. Baisden, Frank A. Pintar, Barry S. Shender, and Glenn Paskoff. "Biomechanical Implications of Gender-Dependent Muscle Locations." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192339.

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Military pilots are subjected to high magnitude inertial loads applied to the head-neck complex during high-G maneuvers. Cervical spinal soft-tissue injuries have occurred in this population [1–3]. Acute injury rates were reported between 54 and 89%, most commonly resulting in muscle or neck pain. Early cervical spine degenerative changes were also identified for fighter pilots [4]. Because the neck muscles are responsible for maintaining head-neck stability, one study hypothesized that cervical injuries in aviators may result from insufficient neck muscle strength to support the head-neck com
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