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Yin WH, Yu YT, Zhang Y, An YQ, Hou ZH, Gao Y, Wang HP, Lu B, De Santis D, Rollins JD, Schoepf UJ. Contrast medium injection protocols for coronary CT angiography: should contrast medium volumes be tailored to body weight or body surface area? Clin Radiol 2020; 75:395.e17-395.e24. [PMID: 31924327 DOI: 10.1016/j.crad.2019.12.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 12/06/2019] [Indexed: 11/26/2022]
Abstract
AIM To compare the uniformity and image quality between contrast media injection protocols adjusted for patient body weight (BW) versus body surface area (BSA) during coronary computed tomography (CT) angiography (CCTA). MATERIALS AND METHODS Consecutive patients (n=489) with suspected coronary artery disease were randomised prospectively to one of two CCTA protocols. In the BW protocol (n=245), patients received individualised iodine delivery rates (≤50 kg: 1 g/s; 51-60 kg: 1.2 g/s; 61-70 kg: 1.4 g/s; 71-80 kg: 1.6 g/s; 81-90 kg: 1.8 g/s; 91-100 kg: 2 g/s; >100 kg: 2.2 g/s). In the BSA protocol (n=244), patients received 9,600 mg iodine/m2 of contrast medium over 12 seconds. Attenuation and image noise were measured. Signal-to-noise ratio and contrast-to-noise ratio were calculated. Image quality was scored. Attenuation was assessed for correlation with BW and BSA using linear regression. RESULTS There were no statistically significant differences in mean arterial attenuation (396.8±47.6 versus 395.8±42.2 HU, p=0.804; 95% confidence interval: -7 to 9), image noise (25.2±5.8 versus 25.5±5.4 HU; p=0.549), signal-to-noise ratio (16.7±4.4 versus 16.6±3.6; p=0.902), contrast-to-noise ratio (25.1±5.8 versus 25.8±7.4; p=0.258) or image quality scores (4.1±0.9 versus 4±0.9; p=0.770) between the BW and BSA protocols. There was no correlation between BW and aortic attenuation or between BSA and aortic attenuation (p=0.324 and 0.932, respectively). CONCLUSION The average contrast media attenuation and image quality was comparable between BW-adjusted protocol and BSA-adjusted protocol.
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Ye XZ, Huang SS, Liu J, Lu B, Shao JQ. [High serum cholesterol: a novel risk factor for thyroid associated ophthalmopathy?]. ZHONGHUA NEI KE ZA ZHI 2019; 58:823-825. [PMID: 31665858 DOI: 10.3760/cma.j.issn.0578-1426.2019.11.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
This study was aimed to investigate the association between dyslipidemia and thyroid associated ophthalmopathy (TAO). We evaluated the relationship between dyslipidemia and TAO in 218 patients with Graves' disease (GD) and found that the serum total cholesterol (TC) and low density lipoprotein cholesterol (LDL-C) in the GD subjects with TAO (n=110) were significantly increased [(5.32±1.39) mmol/L vs. (3.18±2.12) mmol/L, (2.98±0.75) mmol/L vs. (1.25±0.98) mmol/L] than those in the GD subjects without TAO (n=108). TC and LDL-C were positively correlated with the Clinical disease activity score (CAS) [TC (r=0.7, P=0.03),LDL-C (r=0.82, P=0.03)], and the levels of TC (OR=2.56, P=0.02) and LDL-C(OR=2.01, P=0.015) were positively associated with TAO. These suggested that high serum cholesterol level is a novel risk factor for TAO, and management of blood lipids should be included in the treatment of TAO.
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Hua ZL, Sun X, Wang CY, Lu B, Xu S, Xiang CJ, Zhang JF, Wei WW. [The analysis of the relationship between the fungal microbiota from soil and tongue coating of 18 patients with precancerous lesions of upper gastrointestinal]. ZHONGHUA YU FANG YI XUE ZA ZHI [CHINESE JOURNAL OF PREVENTIVE MEDICINE] 2019; 53:1166-1169. [PMID: 31683407 DOI: 10.3760/cma.j.issn.0253-9624.2019.11.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The fungal microbiota from self-retained soil and tongue coating of 18 patients with precancerous lesions of upper gastrointestinal (PLUG) were sequenced. The diversity of α, β in and the structure of the microbial community were analyzed, and the association of them was quantified by using the Spearman rank correlation method. The richness index (1.67±2.79) and the diversity index (0.25±0.10) of the fungal microbiota from tongue coating of PLUG patients were significantly lower than those from soil (4.00±4.69; 0.99±0.18) (all P values<0.001). The relative abundance of 11 taxa from tongue coating of these PLUG patients was positively associated with that from soil (all P values<0.05).
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Guo QY, Song WJ, Xu SY, Zang P, Lu B, Gu P, Shao JQ. [Correlation between serum bilirubin and cardiovascular autonomic neuropathy in patients with type 2 diabetes]. ZHONGHUA YI XUE ZA ZHI 2019; 99:3132-3138. [PMID: 31694103 DOI: 10.3760/cma.j.issn.0376-2491.2019.40.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Objective: To investigate the correlation between serum bilirubin and cardiovascular autonomic neuropathy (CAN) in type 2 diabetes mellitus patients. Methods: A total of 369 patients with type 2 diabetes mellitus who were hospitalized at the Department of Endocrinology, Nanjing Jinling Hospital from April 2017 to October 2018 were enrolled, including 226 males and 143 females, with an average age of (54.6±12.1) years. According to cardiovascular reflex tests (CARTs), all the patients were divided into Non CAN group(149 patients without CAN) and CAN group (220 patients complicated with CAN). The difference of serum bilirubin levels between the two groups was compared. The differences of CARTs and the incidence of CAN were compared by tertiles of serum bilirubin levels. The binary logistic regression was used to analyze the risk factors for diabetic cardiovascular autonomic neuropathy. Results: The serum total bilirubin [(9.28±2.74) μmol/L vs (11.08±2.98) μmol/L, P<0.001], direct bilirubin [(3.17±1.20) μmol/L vs (3.71±1.24) μmol/L, P<0.001] and indirect bilirubin levels [(6.11±1.89) μmol/L vs (7.37±2.10) μmol/L, P<0.001] in CAN group were significantly lower than that in Non CAN group. With the increase of serum bilirubin, the incidence of CAN decreased (P<0.01). Multivariate Logistic regression analysis showed that serum total bilirubin (OR=0.819, 95%CI: 0.744-0.901, P<0.001), direct bilirubin (OR=0.739, 95%CI: 0.601-0.908, P=0.004) and indirect bilirubin (OR=0.749, 95%CI: 0.653-0.860, P<0.001) were inversely correlated with the incidence of CAN. Conclusions: Within the physiological range, lower level of serum bilirubin is inversely correlated with the incidence of CAN. It is noteworthy to screen diabetic cardiovascular autonomic neuropathy in patients with type 2 diabetes mellitus who had a lower serum bilirubin level.
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Reni M, Braverman J, Hendifar A, Li CP, Macarulla Mercade T, Oh DY, Riess H, Tempero M, Lu B, Marcus J, Joshi N, Botterman M, Dueck A. Evaluation of minimal important difference (MID) for the European organisation for research and treatment of cancer (EORTC) pancreatic cancer module (PAN26) in patients with surgically resected pancreatic adenocarcinoma. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz247.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Riess H, Braverman J, Reni M, Dueck A, Hendifar A, Oh DY, Li CP, Mercade TM, Shah A, Joshi N, Botterman M, Mantovani E, Lu B, Tempero M. Impact of adjuvant treatment with nab-paclitaxel and gemcitabine (nab-P+GEM) vs gemcitabine alone (GEM) on health-related quality of life (QoL) in patients (pts) with surgically resected pancreatic adenocarcinoma (PA) in the adjuvant pancreatic adenocarcinoma clinical trial (APACT). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz247.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Skinner H, Hu C, Tsakiridis T, Santana-Davila R, Lu B, Erasmus J, Doemer A, Videtic G, Coster J, Yang A, Lee R, Wasik MW, Schaner P, Mccormack S, Esparaz B, Mcgarry R, Bazan J, Stuve T, Bradley J. OA12.03 Initial Reporting of NRG-LU001, Randomized Phase II Trial of Concurrent Chemoradiotherapy +/- Metformin HCL in Locally Advanced NSCLC. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Taylor J, David A, Song A, Guo J, Lu B, Werner-Wasik M. Impact of Sarcopenia Using Normalized Total Psoas Area as a Surrogate on Overall Survival and Recurrence in Early Stage NSCLC Patients Treated with Stereotactic Body Radiotherapy. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.2446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Donneyong M, Chang TJ, Jackson J, Juarez P, Sealy-Jefferson S, Salsberry P, Lu B, Wansoo I, Langston M, Fischer M, Burciaga Valdez R, Hood D. The social and structural determinants of non-adherence to antihypertensive medication treatment. Ann Epidemiol 2019. [DOI: 10.1016/j.annepidem.2019.06.050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Meng B, Zhai XJ, Qin JL, Li XY, Lu B, Zheng JW, Chen JP. [Modified memory sub-test of Syndrom Kurz test in middle-aged and elderly Chinese]. ZHONGHUA YI XUE ZA ZHI 2019; 99:2047-2051. [PMID: 31315375 DOI: 10.3760/cma.j.issn.0376-2491.2019.26.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the applicability of the modified memory sub-test of syndrom kurz test (SKT-M) in middle-aged and elderly Chinese. Methods: Between March 1, 2017, and October 31, 2017, at HwaMei Hospital, 132 patients receiving elective great saphenous vein high ligation and stripping operation and 96 their accompanying dependents, 55-75 years old, were randomly divided into the SKT-M group (n=121) and auditory verbal learning test -huashan version (AVLT-H) group (n=107) using random numeral method. The two groups underwent two corresponding neuropsychological tests respectively on the day before surgery and the second day after surgery. Results: There was no significant difference in the baseline characteristics and all the neuropsychological indices at the two time points between patients and dependents (P>0.05). As a consequence, the data of the patients and dependents were integrated to compare the applicability of SKT-M and AVLT-H. The "low-score" ratio of SKT-M immediate recall (2.4%) was lower than that of AVLT-H test (12.1%) (χ(2)=8.138, P<0.01). Besides, the "low-score" ratio of SKT-M delayed recall (5.7%) was also lower than that of AVLT-H test (20.5%) (χ(2)=11.167, P<0.01). The influence factors of SKT-M were less than that of AVLT-H test. However, the learning effect of SKT-M immediate recall was more significant, for its first testing sore (23.1±5.4) was significantly higher than the second one (21.9±5.1) (t=-3.971, P<0.001). Conclusion: The SKT-M has better applicability to 55-75 years old Chinese than AVLT-H test, but its learning effect should be noted.
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Reni M, Winter J, Tortora G, Pelzer U, Riess H, Chang H, O’Reilly E, Oh D, Diaz IA, Milella M, Bendell J, Garlipp B, Tempero M, Macarulla T, Van Cutsem E, Berlin J, Goldstein D, Lu B, Jeanes J, Philip P. Analysis of patient screening in the phase III, international, randomized, open-label APACT trial. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz156] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Shengchen D, Gu X, Fan G, Sun R, Wang Y, Yu D, Li H, Zhou F, Xiong Z, Lu B, Zhu G, Cao B. Evaluation of a molecular point-of-care testing for viral and atypical pathogens on intravenous antibiotic duration in hospitalized adults with lower respiratory tract infection: a randomized clinical trial. Clin Microbiol Infect 2019; 25:1415-1421. [PMID: 31229593 PMCID: PMC7173318 DOI: 10.1016/j.cmi.2019.06.012] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 06/06/2019] [Accepted: 06/13/2019] [Indexed: 01/03/2023]
Abstract
Objectives The primary objective was to evaluate whether a molecular point-of-care test (POCT) for viral and atypical pathogens added to routine real-time PCR could reduce duration of intravenous antibiotics in hospitalized patients with lower respiratory tract infection (LRTI) compared with routine real-time PCR. Methods In this single-centre, open-label, randomized controlled study, we enrolled hospitalized adults diagnosed with LRTI. Patients were randomized to an intervention group (POCT FilmArray Panel for 20 viruses, atypical pathogens and bacteria plus routine real-time PCR) or a control group (routine real-time PCR for ten pathogens). The primary outcome was duration of intravenous antibiotics during hospitalization. The secondary outcomes included length of stay, cost of hospitalization and de-escalation within 72 hours and between 72 hours and 7 days. Intention-to-treat analysis was used. Results Between October 2017 and July 2018, we enrolled 800 eligible patients (398 in the intervention group and 402 in the control group). Duration of intravenous antibiotics in the intervention group was shorter than in the control (7.0 days (interquartile range (IQR) 5.0–9.0) versus 8.0 days (IQR 6.0–11.0); p <0.001). Length of hospital stay in the intervention group was significantly shorter (8.0 days (IQR 7.0–11.0) versus 9.0 days (IQR 7.0–12.0; p <0.001) and the cost of hospitalization in the intervention group was significantly lower ($1804.7 (IQR 1298.4–2633.8) versus $2042.5 (IQR 1427.4–2926.2); p 0.002) than control group. More patients in the intervention group achieved de-escalation within 72 hours (7.9%, 29/367 versus 3.2%, 12/377; p 0.005) and between 72 hours and 7 days (29.7%, 109/367 versus 22.0%, 83/377; p 0.024). Conclusions Use of molecular POCT testing for respiratory viruses and atypical pathogens might help to reduce intravenous antibiotic use in hospitalized LRTI patients. Clinical Trial Registration clinicaltrials.gov Identifier: NCT03391076.
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Xiong D, Shao J, Luo W, Jiang H, Wang F, Lu B. The complete mitochondrial genome of the Brachymystax tsinlingensis Li. Mitochondrial DNA B Resour 2019. [DOI: 10.1080/23802359.2018.1542981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Chen CR, Zheng JW, Meng B, Lu B, Zhai XJ. [Comparison of effects of two anesthesia methods on the first night sleep quality in middle-aged and elderly patients undergoing surgery for lower extremity varicose vein]. ZHONGHUA YI XUE ZA ZHI 2018; 98:3773-3777. [PMID: 30541220 DOI: 10.3760/cma.j.issn.0376-2491.2018.46.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate effects of two anesthesia methods on the first night sleep quality in middle-aged and elderly patients after surgery. Methods: This was a prospective study conducted from November 2017 to March 2018. Sixty patients, aged 50-70, undergoing elective surgery for unilateral lower extremity varicose vein at Ningbo No.2 Hospital, with American Society of Anesthesiologists (ASA) grade Ⅰ or Ⅱ, were enrolled and randomly allocated to two groups (n=30), general anesthesia group and spinal anesthesia group. On the first day before surgery, the patient's general data were collected and the Pittsburgh sleep quality index (PSQI) was used to assess the patient's sleep status in the past month. The postoperative mean arterial pressure (MAP), heart rate (HR) and pulse oxygen saturation (SpO(2)) in the ward were recorded with a multi-function monitor on first night after surgery. The total sleep time and arousal time were obtained by bispectral index (BIS) monitoring from 20: 00 (the first day) to 6: 00 (the second day). Athens Insomnia Scale (AIS) was recorded at 18: 00 at the second day after surgery. Results: There was no significant difference in general data and PSQI scale scores between the two groups of patients (all P>0.05). And there were no significant differences in MAP, HR, SpO(2) and BIS every 2 hours between the two groups from 20: 00 (the first day) to 6: 00 (the second day)(all P>0.05). Compared with the general anesthesia group, the first night of total sleep time in the spinal anesthesia group was significantly shorter[(357.2±83.4)min vs (275.1±64.8)min, t=-9.635, P<0.05], while the rate of wakefulness, total sleep time, overall sleep quality, daytime mood and daytime physical function were significantly higher[(25.9%, 22.2%, 25.9%, 18.5%18.5%) vs (51.7%, 51.7%, 55.2%, 48.3%44.8%), χ(2)=3.901, 5.192, 4.941, 5.523 and 4.437, all P<0.05], and the cases of postoperative urinary retention and lower limb discomfort were significantly higher[(8 and 6) vs (1 and 0), all P<0.05]. Conclusion: Both anesthesia methods can be safely and effectively applied to middle-aged and elderly patients with lower extremity varicose veins surgery, but patients with general anesthesia show fewer adverse reactions on the first night after surgery and have better sleep quality.
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Zhao X, Wu Q, Wang X, Fu Y, Zhang X, Tian X, Cheng B, Lu B, Yu X, Lan S, Lu W, Ma D, Cheng X, Xie X. The performance of human papillomavirus DNA detection with type 16/18 genotyping by hybrid capture in primary test of cervical cancer screening: a cross-sectional study in 10,669 Chinese women. Clin Microbiol Infect 2018. [DOI: 10.1016/j.cmi.2018.02.027] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Wu Y, Lakhani N, Boyer M, Zhou Q, Rasco D, Huang Y, Men L, Li Y, Xia Z, Wang H, Ji J, Lu B, He Z, Dong Q, Yang D, Zhai Y. OA12 A Phase I Study of Novel Bcl-2/Bcl-xL Inhibitor APG-1252 in Patients with Advanced SCLC or Other Solid Tumor. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.10.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Gonzalez-Armenta JL, Mahapatra G, Allison Amick K, Li N, Lu B, Molina A. HETEROCHRONIC PARABIOSIS: OLD BLOOD ATTENUATES MITOCHONDRIAL BIOENERGETICS OF YOUNG MICE. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.2064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Xue J, Du S, Dicker A, Lu Y, Lu B. Anti-PD-1 Immunotherapy Potentiates the Radiation-Induced Lung Injury. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Feng G, Lu B, Mi H. BARTHEL INDEX AND ITS ASSOCIATED HEALTH AND LIFE YEARS INDICATORS. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.1977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Zinner R, Cowan S, Solomides C, Hooper D, Harshyne L, Lu-Yao G, Yang H, Phan L, Poller D, Leiby B, Werner-Wasik M, Lu B, Johnson J, Axelrod R, Argiris A, Evans N. P3.17-22 Nivolumab Plus Cisplatin/Pemetrexed or Cisplatin/Gemcitabine as Induction in Resectable NSCLC. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Wang Z, Lu B, Liu G, Xu T, Yuan M, Chen R, Xia X. P3.01-106 Real-World Data to Evaluate the Clinical Benefit of NGS for Directing Lung Adenocarcinoma Treatment. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Wang XW, Wang GX, Huang D, Lu B, Zhen ZC, Ding Y, Ren ZL, Wang PL, Zhang W, Ji JH. Degradability comparison of poly(butylene adipate terephthalate) and its composites filled with starch and calcium carbonate in different aquatic environments. J Appl Polym Sci 2018. [DOI: 10.1002/app.46916] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Fu DX, Lu B, Chen JP. [Effect of positive end-expiratory pressure on the cross-sectional area of the internal jugular vein and anatomic relationship between the internal jugular vein and the carotid artery in general anaesthesia of laryngeal mask airway]. ZHONGHUA YI XUE ZA ZHI 2018; 98:2078-2082. [PMID: 30032504 DOI: 10.3760/cma.j.issn.0376-2491.2018.26.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Objective: To investigate the effect of positive end-expiratory pressure(PEEP) on the cross-sectional area (CSA) of the internal jugular vein (IJV) and anatomic relationship between the IJV and the common carotid artery (CCA) in general anaesthesia of laryngeal mask airway(LMA). Methods: Sixty American Society of Anesthesiologists (ASA) Ⅰ or Ⅱ grade patients undergoing elective operation received general anaesthesia using LMA from May to November 2017, aged 20-65, were included in this study and randomly divided into 4 groups: group P0 (PEEP: 0 cmH(2)O), group P5 (PEEP: 5 cmH(2)O), group P10 (PEEP: 10 cmH(2)O), group P15 (PEEP: 15 cmH(2)O). Following the induction of anesthesia, LMA was inserted, and mechanical ventilation was started while the right cervical vessels was imaged by ultrasonography after applying 4 different PEEPs in random order. Measurements were made after 1 min in each PEEP. The CSA, transverse diameter (TD), anteroposterior diameters (AD) of the IJV and the diameter, overlap distance and overlap index of CCA was measured. The arterial blood pressure, heart rate, and vasoactive drugs used were also recorded. Results: The CSA of group P0, P10 and P15 was (1.36±0.55), (1.80±0.54), (2.02±0.58) cm(2). The TD was (1.31±0.33), (1.61±0.49), (1.74±0.53) cm. The AD was (1.12±0.20), (1.33±0.30), (1.46±0.32) cm. Compared to group P0, the CSA, TD and AD of IJV in group P10 and P15 were significantly increased (P0/P10: t=7.81, 3.81, 4.30, all P<0.01; P0/P15: t=11.68, 5.40, 6.96, all P<0.01). There was no significant difference in the AD and TD of IJV between group P10 and P15 (all P>0.05), while the CSA of group P15 was bigger than that of group P10 (t=2.17, P<0.05). The overlap distance of group P0, P10 and P15 was (0.51±0.12), (0.62±0.16), (0.66±0.15) cm. The overlap index was (76.80±20.03)%, (91.10±26.13)%, (96.21±25.36)%. Compared to group P0, the overlap distance and overlap index in group P10 and P15 were significantly increased (P0/P10: t=4.49, 3.41, both P<0.01; P0/P15: t=5.91, 4.63, both P<0.01). There was no significant changes in the overlap distance and overlap index between group P10 and P15 (all P>0.05). The MAP of group P15 was lower than that of group P10 [(73.35±9.73 )vs (67.58±12.58) mmHg, t=2.745, P<0.05]. No patients were given atropine or norepinephrine. Conclusions: The application of PEEP effectively increases the CSA of IJV in general anaesthesia of LMA. At the same time, it also lead to higher overlap index between the IJV and CCA.Ten cmH(2)O PEEP provides the best balance between the increase of CSA and the stability of haemodynamics.
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Wang C, Lu B, Liang J, Zeng H, Bai XY, Chen YL, Huang M. Development of RF Window for 3.7-GHz LHCD System on HL-2A. FUSION SCIENCE AND TECHNOLOGY 2018. [DOI: 10.1080/15361055.2017.1396149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Wang GX, Liu P, Zhang W, Zhen ZC, Wang XW, Lu B, Wang PL, Ji JH. Preparation and characterization of novel PA6/SiO2 composite microsphere applied for selective laser sintering. EXPRESS POLYM LETT 2018. [DOI: 10.3144/expresspolymlett.2018.3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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