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Solomon DH, Kay J, Duryea J, Lu B, Bolster MB, Yood RA, Han R, Ball S, Coleman C, Lo E, Wohlfahrt A, Sury M, Yin M, Yu Z, Zak A, Gravallese EM. Effects of Teriparatide on Joint Erosions in Rheumatoid Arthritis: A Randomized Controlled Trial. Arthritis Rheumatol 2017; 69:1741-1750. [PMID: 28544807 DOI: 10.1002/art.40156] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 05/16/2017] [Indexed: 01/01/2023]
Abstract
OBJECTIVE Articular erosions correlate with disability in rheumatoid arthritis (RA). Biologic agents reduce erosion progression in RA, but erosion healing occurs infrequently. This study was undertaken to assess the effects of the anabolic agent teriparatide on joint erosion volume in RA patients treated with a tumor necrosis factor inhibitor (TNFi). METHODS We conducted a randomized controlled trial in 24 patients with erosive RA, osteopenia, and disease activity controlled by TNFi treatment for at least 3 months. Half were randomized to receive teriparatide for 1 year and the others constituted a wait-list control group. Subjects and primary rheumatologists were not blinded with regard to treatment assignment, but all outcomes were assessed in a blinded manner. The primary outcome measure was change in erosion volume determined by computed tomography at 6 anatomic sites. Significance within each hand and anatomic site was based on a 2-tailed test, with P values less than 0.05 considered significant. RESULTS Baseline characteristics of the treatment groups were well balanced. After 52 weeks, the median change in erosion volume in the teriparatide group was -0.4 mm3 (interquartile range [IQR] -34.5, 29.6) and did not differ significantly from that in controls (median change +9.1 mm3 [IQR -29.6, 26.4]) (P = 0.28). No significant difference in change in erosion volume was noted at the radius, ulna, or metacarpophalangeal joints. Bone mineral density improved at the femoral neck and lumbar spine in the teriparatide group. CONCLUSION Our findings indicate that teriparatide treatment for 1 year does not significantly reduce erosion volume in the hands or wrists of patients with established RA with disease activity controlled by TNFi treatment.
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Lu B, Ouyang X. HYPERHOMOCYSTEINEMIA IS ASSOCIATED WITH COGNITIVE IMPAIRMENT IN ELDERLY PATIENTS WITH HYPERTENSION. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.2831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Lu B, Yao B, Roseman G, Deming CP, Lu JE, Millhauser GL, Li Y, Chen S. Ethanol Oxidation Reaction Catalyzed by Palladium Nanoparticles Supported on Hydrogen‐Treated TiO
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Nanobelts: Impact of Oxygen Vacancies. ChemElectroChem 2017. [DOI: 10.1002/celc.201700425] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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An G, Zhang WB, Ma DK, Lu B, Wei GJ, Guang Y, Ru CH, Wang YS. Influence of VEGF/BMP-2 on the proliferation and osteogenetic differentiation of rat bone mesenchymal stem cells on PLGA/gelatin composite scaffold. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2017; 21:2316-2328. [PMID: 28617560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
OBJECTIVE To investigate the influence of VEGF/BMP-2 on the proliferation and osteogenic differentiation of rat bone mesenchymal stem cells BMSCs) on PLGA/gelatin composite scaffold. MATERIALS AND METHODS Randomly-oriented nanofibers with different ratios of Poly Lactic-co-Glycolic Acid (PLGA)/gelatin were produced through electrospinning. The mixture of nanofibers and BMSCs was pipetted onto the surface of the scaffolds, and BMSCs/PLGA/gelatin composite was obtained. The surface morphology, chemical structure, hydrophilicity and mechanical property of PLGA/gelatin nanofibers were revealed by scanning electron microscope. In vitro release kinetics of bone morphogenetic protein (BMP-2) and vascular endothelial growth factor (VEGF) were studied using ELISA kits. The cell adhesion, growth and proliferation of BMSCs on scaffolds were observed by scanning electron microscopy. The CCK-8 assay was used to evaluate the effects of VEGF/BMP-2 slow release system on the proliferation of BMSCs on scaffolds. RT-PCR was used to examine the activities of alkaline phosphatase (ALP), runt-related transcription factor 2 (RUNX-2), and osteocalcin (OCN). RESULTS In each group of cells in the in-vitro experiment, through electron microscope scanning, fiber scaffolds were interconnected three-dimensional reticular structure, BMSCs firmly attached to the fiber surface and internal stent, cells experienced a long spindle, polygon change, and branch-like protrusions on the cell surface were connected. Under the electron microscope, cell proliferation curve and osteogenesis markers (ALP, RUNX-2, OCN) expression in the dual factor group on cell adhesion, proliferation and differentiation were much better than those of blank control group and single factor groups. CONCLUSIONS In the successfully constructed gelatin/PLGA nanofiber scaffold, VEGF and BMP-2 can be sequentially released, during which VEGF and BMP-2 can promote the adhesion, proliferation, and differentiation of BMSCs.
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Zheng JW, Meng B, Li XY, Lu B, Wu GR, Chen JP. NF-κB/P65 signaling pathway: a potential therapeutic target in postoperative cognitive dysfunction after sevoflurane anesthesia. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2017; 21:394-407. [PMID: 28165545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
OBJECTIVE This study aimed to explore the role of NF-κB/P65 signaling pathway in postoperative cognitive dysfunction (POCD) after sevoflurane anesthesia. MATERIALS AND METHODS A total of 120 male Sprague-Dawley (SD) rats were selected and assigned into five groups (24 rats in each group): the control, sevoflurane, sevoflurane + splenectomy, pyrrolidine dithiocarbamate (PDTC, a specific inhibitor of NF-κB), and sevoflurane + splenectomy + PDTC groups. Electrocardiogram (ECoG) and behavior changes of rats were monitored before and after anesthesia/operation. Ionized calcium-binding adapter molecules 1 (Iba-1) in the hippocampal zones were observed by immunofluorescence staining. Blood-brain barrier (BBB) permeability was determined by immunohistochemistry. The mRNA and protein expressions of NF-κB/P65 signaling pathway-related proteins and inflammatory cytokines were detected by qRT-PCR assay and Western blotting. RESULTS During the anesthesia/operation, the vital signs of rats were stable, but the ECoG in the sevoflurane and sevoflurane + splenectomy groups mainly presented slow waves. The ECoG arousal response in the sevoflurane + splenectomy + PDTC group was observed. At 24 h after the anesthesia/operation, the expressions of NF-κB and P65 in the hippocampal zone, the expressions of IκBα and inflammatory cytokines (IL-1β, IL-6 and TNF-α), the expression of Iba-1 in rat hippocampal dentate gyrus (DG) zone and CA3 zone, and the permeability of BBB were significantly increased and the behavior of rats changed dramatically (all p < 0.05), while PDTC treatments could eliminate these changes induced by the anesthesia/operation (all p < 0.05). No changes were observed in the expressions of NF-κB, P65, IκBα, Iba-1 and inflammatory cytokines (IL-1β, IL-6 and TNF-α), and the permeability of BBB and the behavior of rats in the sevoflurane and the PDTC groups (all p > 0.05). CONCLUSIONS These results suggest that the inhibition of NF-κB/P65 signaling pathway may relieve POCD after sevoflurane anesthesia.
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Ray-Coquard I, Bourhis J, Delord JP, Vuagniaux G, Zanna C, Lu B, Wang S. Debio-1143. Inhibitor of apoptosis protein (IAP) antagonist, Cancer therapy. DRUG FUTURE 2017. [DOI: 10.1358/dof.2017.042.12.2702829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Peng Y, Lu B, Wang N, Li L, Chen S. Impacts of interfacial charge transfer on nanoparticle electrocatalytic activity towards oxygen reduction. Phys Chem Chem Phys 2017; 19:9336-9348. [DOI: 10.1039/c6cp08925a] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Interfacial electron transfer within platinum and non-platinum-based nanocatalysts plays a significant role in the manipulation of the electronic interactions between oxygen species and the catalyst surfaces, which may be exploited as an effective mechanism to enhance and optimize the activity towards oxygen reduction.
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Zheng MY, Zang XL, Wang GX, Wang PL, Lu B, Ji JH. Poly(butylene 2,5-furandicarboxylate-ε-caprolactone): A new bio-based elastomer with high strength and biodegradability. EXPRESS POLYM LETT 2017. [DOI: 10.3144/expresspolymlett.2017.59] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Bar-Ad V, Palmer J, Li L, Lai Y, Lu B, Myers RE, Ye Z, Axelrod R, Johnson JM, Werner-Wasik M, Cowan SW, Evans NR, Hehn BT, Solomides CC, Wang C. Neutrophil to lymphocyte ratio associated with prognosis of lung cancer. Clin Transl Oncol 2016; 19:711-717. [DOI: 10.1007/s12094-016-1593-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 11/23/2016] [Indexed: 01/04/2023]
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Raffa RB, Burdge G, Gambrah J, Kinecki HE, Lin F, Lu B, Nguyen JT, Phan V, Ruan A, Sesay MA, Watkins TN. Cebranopadol: novel dual opioid/NOP receptor agonist analgesic. J Clin Pharm Ther 2016; 42:8-17. [DOI: 10.1111/jcpt.12461] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2016] [Accepted: 09/05/2016] [Indexed: 12/13/2022]
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Du S, Lockamy V, Zhou L, Xue C, LeBlanc J, Yu Y, Dicker A, Lu B. Stereotactic Body Radiation Therapy (SBRT) Using a Sarrp for Treating and Monitoring Therapy Response in Spontaneous Kras-Driven Lung Tumor Model. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Du S, Zhou L, Shukla G, Wang N, Yang L, Ma X, Wang Y, Dicker A, Lu Y, Lu B. Pharmacological Inhibition of PD-1 Exacerbates Radiation-Induced Cardiac Toxicity Through Cytotoxic T Cell–Mediated Myocarditis. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Roberts V, Lu B, Chia J, Cowan PJ, Dwyer KM. CD39 overexpression does not attenuate renal fibrosis in the unilateral ureteric obstructive model of chronic kidney disease. Purinergic Signal 2016; 12:653-660. [PMID: 27565966 DOI: 10.1007/s11302-016-9528-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Accepted: 08/03/2016] [Indexed: 12/19/2022] Open
Abstract
Chronic kidney disease has multiple etiologies, but its single, hallmark lesion is renal fibrosis. CD39 is a key purinergic enzyme in the hydrolysis of ATP and increased CD39 activity on regulatory T cells (Treg) is protective in adriamycin-induced renal fibrosis. We examined the effect of overexpression of human CD39 on the development of renal fibrosis in the unilateral ureteric obstructive (UUO) model, a model widely used to study the molecular and cellular factors involved in renal fibrosis. Mice overexpressing human CD39 (CD39Tg) and their wild-type (WT) littermates were subjected to UUO; renal histology and messenger RNA (mRNA) levels of adenosine receptors and markers of renal fibrosis were examined up to 14 days after UUO. There were no differences between CD39Tg mice and WT mice in the development of renal fibrosis at days 3, 7, and 14 of UUO. Relative mRNA expression of the adenosine A2A receptor and endothelin-1 were higher in CD39Tg than WT mice at day 7 post UUO, but there were no differences in markers of fibrosis. We conclude that human CD39 overexpression does not attenuate the development of renal fibrosis in the UUO model. The lack of protection by CD39 overexpression in the UUO model is multifactorial due to the different effects of adenosinergic receptors on the development of renal fibrosis.
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Tedeschi S, Barbhaiya M, Lu B, Malspeis S, Sparks J, Karlson E, Costenbader K. FRI0553 Obesity and The Risk of Systemic Lupus Erythematosus in The Nurses' Health Studies:. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.1977] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Shinohara ET, Lu B, Hallahan DE. The Use of Gene Therapy in Cancer Research and Treatment. Technol Cancer Res Treat 2016; 3:479-90. [PMID: 15453813 DOI: 10.1177/153303460400300509] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Gene therapy involves identifying a gene of interest and then manipulating the expression of this gene through a variety of techniques. Here we specifically address gene therapy's role in cancer research. This paper will encompass thoroughly investigated techniques such as cancer vaccines and suicide gene therapy and the latest advancements in and applications of these techniques. It will also cover newer techniques such as Antisense Oligonucleotides and small interfering RNAs and how these technologies are being developed and used. The use of gene therapy continues to expand in cancer research and has an integral role in the advancement of cancer treatment.
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Guo J, Ji Y, Ding Y, Jiang W, Sun Y, Lu B, Nagappan G. BDNF pro-peptide regulates dendritic spines via caspase-3. Cell Death Dis 2016; 7:e2264. [PMID: 27310873 PMCID: PMC5143394 DOI: 10.1038/cddis.2016.166] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Revised: 04/11/2016] [Accepted: 05/05/2016] [Indexed: 01/18/2023]
Abstract
The precursor of brain-derived neurotrophic factor (BDNF) (proBDNF) is enzymatically cleaved, by either intracellular (furin/PC1) or extracellular proteases (tPA/plasmin/MMP), to generate mature BDNF (mBDNF) and its pro-peptide (BDNF pro-peptide). Little is known about the function of BDNF pro-peptide. We have developed an antibody that specifically detects cleaved BDNF pro-peptide, but not proBDNF or mBDNF. Neuronal depolarization elicited a marked increase in extracellular BDNF pro-peptide, suggesting activity-dependent regulation of its extracellular levels. Exposure of BDNF pro-peptide to mature hippocampal neurons in culture dramatically reduced dendritic spine density. This effect was mediated by caspase-3, as revealed by studies with pharmacological inhibitors and genetic knockdown. BDNF pro-peptide also increased the number of ‘elongated' mitochondria and cytosolic cytochrome c, suggesting the involvement of mitochondrial-caspase-3 pathway. These results, along with BDNF pro-peptide effects recently reported on growth cones and long-term depression (LTD), suggest that BDNF pro-peptide is a negative regulator of neuronal structure and function.
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Lebron S, Lu B, Yan G, Li J, Liu C. SU-G-BRB-05: Automation of the Photon Dosimetric Quality Assurance Program of a Linear Accelerator. Med Phys 2016. [DOI: 10.1118/1.4956912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Li J, Shi W, Andrews D, Werner-Wasik M, Lu B, Yu Y, Dicker A, Liu H. SU-F-J-42: Comparison of Varian TrueBeam Cone-Beam CT and BrainLab ExacTrac X-Ray for Cranial Radiotherapy. Med Phys 2016. [DOI: 10.1118/1.4955950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Barraclough B, Park J, Li F, Lu B, Li J, Liu C, Yan G. SU-F-T-518: Development and Characterization of a Gated Treatment System Implemented with An In-House Optical Tracking System and the Elekta Response Interface. Med Phys 2016. [DOI: 10.1118/1.4956703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Li F, Park J, Barraclough B, Lu B, Li J, Liu C, Yan G. SU-C-BRC-04: Efficient Dose Calculation Algorithm for FFF IMRT with a Simplified Bivariate Gaussian Source Model. Med Phys 2016. [DOI: 10.1118/1.4955551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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121
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Lebron S, Yan G, Li J, Lu B, Liu C. SU-G-TeP4-03: A Multileaf Collimator Calibration and Quality Assurance Technique Using An Electronic Portal Imaging Device. Med Phys 2016. [DOI: 10.1118/1.4957128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Jung J, Potter N, Suh T, Liu C, Lu B. TU-H-BRC-01: A New Fabrication Method for Secondary Skin Collimation Using 3D Scanner and 3D Printer. Med Phys 2016. [DOI: 10.1118/1.4957599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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123
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Potter N, Lebron S, Yan G, Li J, Liu C, Lu B. SU-F-T-511: Feasibility Study of Using Flattening-Filter-Free Photon Beams to Deliver Conventional Flat Beam. Med Phys 2016. [DOI: 10.1118/1.4956696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Park J, Lu B, Yan G, Park J, Li F, Li J, Liu C. SU-F-T-273: Using a Diode Array to Explore the Weakness of TPS DoseCalculation Algorithm for VMAT and Sliding Window Techniques. Med Phys 2016. [DOI: 10.1118/1.4956413] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Li JQ, Li N, Han GJ, Pan CG, Zhang YH, Shi XZ, Xu JY, Lu B, Li MQ. Clinical research about airway pressure release ventilation for moderate to severe acute respiratory distress syndrome. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2016; 20:2634-2641. [PMID: 27383316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
OBJECTIVE To evaluate clinical effects of airway pressure release ventilation (APRV) in patients suffering from moderate to severe acute respiratory distress syndrome (ARDS).e of a patient presented with significant high aminotransferase levels due to the first human R. aeschlimannii infection ever detected in Italy. The hypothesis of rickettsiosis was made on the basis of a comprehensive medical history and was confirmed by serological tests. Molecular analyses made on a sample of hepatic tissue revealed the presence of a rickettsial species never found before in human liver. PATIENTS AND METHODS From August 2012 to August 2014, fifty-two cases with moderate to severe ARDS were randomly divided into two groups. In the first group (APRV) the airway pressure release ventilation was used; the second group (SIMV) was ventilated using synchronized intermittent mandatory ventilation mode and positive end expiratory pressure (PEEP). Changes in oxygenation index, respiratory mechanics, extravascular lung water, functional residual capacity change and hemodynamics were recorded in both groups after mechanical ventilation. TNF-a and IL-10 levels in alveolar lavage were also measured. Acute physiology and chronic health evaluation (APACHE) II and Murray scores were evaluated. Pneumothorax and mediastinal emphysema during ventilation were also recorded. The probability of survival, the duration of ICU stay, days without organ failure and days without sedation were compared. RESULTS Conditions in APRV were improved significantly. Oxygenation index was increased, airway peak pressure (Ppeak) was reduced, the lung dynamic compliance improved, extravascular lung water was relieved, functional residual capacity increased and Murray score was improved. In APRV group ventilation central venous pressure (CVP) and systemic circulation resistance index (SVRI) were reduced, but cardiac index (CI) increased, and at the same time lac and oxygen saturation of central venous blood (ScvO2) were improved. Free sedatives days were significantly reduced in APRV group while days without mechanical ventilation were increased and days in ICU were shortened significantly. TNF-α and IL-10 concentrations in the alveolar lavage, probability of survival and days without organ failure were similar in both groups. CONCLUSIONS In patients suffering from moderate to severe ARDS, application of APRV improved lung function and hemodynamics. It also reduced the need for sedatives and the duration of mechanical ventilation as well as days in ICU.
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