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   Table of Contents - Current issue
5th May 2018
Volume 131 | Issue 9
Page Nos. 1009-1134

Online since Friday, April 20, 2018

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Biologic Targeting: New and Effective Therapeutic Approaches against Severe Asthma p. 1009
Xin Yang, Han-Rong Feng, Zhi-Min Chen, Song-Min Ying
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Pay Attention to the Imaging Study of Sport Injury and Illness in Winter Olympics Sports p. 1013
Shi-Nong Pan, Xiao-Hong Lyu, Qiang Liu, Qi-Yong Guo
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Spirometric Reference Equations for Elderly Chinese in Jinan Aged 60–84 Years Highly accessed article p. 1016
Xin-Yu Tian, Chun-Hong Liu, De-Xiang Wang, Xiu-Li Ji, Hui Shi, Chun-Yan Zheng, Meng-Shuang Xie, Wei Xiao
DOI:10.4103/0366-6999.227840  PMID:29553052
Background: The interpretation of spirometry varies on different reference values. Older people are usually underrepresented in published predictive values. This study aimed at developing spirometric reference equations for elderly Chinese in Jinan aged 60–84 years and to compare them to previous equations. Methods: The project covered all of Jinan city, and the recruitment period lasted 9 months from January 1, 2017 to September 30, 2017, 434 healthy people aged 60–84 years who had never smoked (226 females and 208 males) were recruited to undergo spirometry. Vital capacity (VC), forced VC (FVC), forced expiratory volume in 1 s (FEV1), FEV1/FVC, FEV1/VC, FEV6, peak expiratory flow, and forced expiratory flow at 25%, 50%, 75%, and 25–75% of FVC exhaled (FEF25%, FEF50%, FEF75%, and FEF25–75%) were analyzed. Reference equations for mean and the lower limit of normal (LLN) were derived using the lambda-mu-sigma method. Comparisons between new and previous equations were performed by paired t-test. Results: New reference equations were developed from the sample. The LLN of FEV1/FVC, FEF25–75%computed using the 2012-Global Lung Function Initiative (GLI) and 2006-Hong Kong equations were both lower than the new equations. The biggest degree of difference for FEV1/FVC was 19% (70.46% vs. 59.29%, t = 33.954, P < 0.01) and for maximal midexpiratory flow (MMEF, equals to FEF25–75%) was 22% (0.82 vs. 0.67, t = 21.303, P < 0.01). The 1990-North China and 2009-North China equations predicted higher mean values of FEV1/FVC and FEF25–75%than the present model. The biggest degrees of difference were −4% (78.31% vs. 81.27%, t = −85.359, P < 0.01) and −60% (2.11 vs. 4.68, t = −170.287, P < 0.01), respectively. Conclusions: The newly developed spirometric reference equations are applicable to elderly Chinese in Jinan. The 2012-GLI and 2006-Hong Kong equations may lead to missed diagnoses of obstructive ventilatory defects and the small airway dysfunction, while traditional linear equations for all ages may lead to overdiagnosis.
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Obstructive Sleep Apnea Affecting Platelet Reactivity in Patients Undergoing Percutaneous Coronary Intervention p. 1023
Xiao-Min Jiang, Xue-Song Qian, Xiao-Fei Gao, Zhen Ge, Nai-Liang Tian, Jing Kan, Jun-Jie Zhang
Background: The relationship between obstructive sleep apnea (OSA) and platelet reactivity in patients undergoing percutaneous coronary intervention (PCI) has not been defined. The present prospective, single-center study explored the relationship between platelet reactivity and OSA in patients with PCI. Methods: A total of 242 patients were finally included in the study. OSA was screened overnight by polysomnography. Platelet reactivity was assessed with a sequential platelet counting method, and the platelet maximum aggregation ratio (MAR) and average aggregation ratio were calculated. All patients were assigned per apnea-hypopnea index (AHI) to non-OSA (n = 128) and OSA (n = 114) groups. The receiver operating characteristic curve analysis was used to evaluate the accuracy of AHI for high platelet reactivity (HPR) on aspirin and clopidogrel, and multivariable logistic regression was used to determine the independent predictors of HPR on aspirin and clopidogrel. Results: Median AHI was significantly higher in the OSA group than in the non-OSA group (34.5 events/h vs. 8.1 events/h, Z = −13.422, P < 0.001). Likewise, median arachidonic acid- and adenosine diphosphate-induced maximum aggregation rate (MAR) in the OSA group was significantly higher than those in the non-OSA group (21.1% vs. 17.7%, Z = −3.525, P < 0.001 and 45.8% vs. 32.2%, Z = −5.708, P < 0.001, respectively). Multivariable logistic regression showed that OSA was the only independent predictor for HPR on aspirin (odds ratio [OR]: 1.055, 95% confidence interval [CI]: 1.033–1.077, P < 0.001) and clopidogrel (OR: 1.036, 95% CI: 1.017–1.056, P < 0.001). The cutoff value of AHI for HPR on aspirin was 45.2 events/h (sensitivity 47.1% and specificity 91.3%), whereas cutoff value of AHI for HPR on clopidogrel was 21.3 events/h (sensitivity 68.3% and specificity 67.7%). Conclusion: Platelet reactivity appeared to be higher in OSA patients with PCI despite having received a loading dose of aspirin and clopidogrel, and OSA might be an independent predictor of HPR on aspirin and clopidogrel.
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Influence of Air Pollution on Hospital Admissions in Adult Asthma in Northeast China p. 1030
Ying Liu, Hao-Dong Wang, Zhen-Xiang Yu, Shu-Cheng Hua, Li-Ting Zhou, Li-Ping Peng
Background: Asthma is a common chronic respiratory disease and is related to air pollution exposure. However, only a few studies have concentrated on the association between air pollution and adult asthma. Moreover, the results of these studies are controversial. Therefore, the present study aimed to analyze the influence of various pollutants on hospitalization due to asthma in adults. Methods: A total of 1019 unrelated hospitalized adult asthma patients from Northeast China were recruited from 2014 to 2016. Daily average concentrations of air pollutants (particulate matter <2.5 μm [PM2.5], particulate matter <10 μm [PM10], sulfur dioxide [SO2], nitrogen dioxide [NO2], and carbon monoxide [CO]) were obtained from the China National Environmental Monitoring Centre website from 2014 to 2016. Cox logistic regression analysis was used to analyze the relationship between air pollutants and hospital admissions in adult asthma. Results: The maximum odds ratio (OR) value for most air pollutants occurred on lag day 1. Lag day 1 was chosen as the exposure period, and 8 days before onset was chosen as the control period. Three pollutants (PM2.5, CO, and SO2) were entered into the regression equation, and the corresponding OR (95% confidence interval) was 0.995 (0.991–0.999), 3.107 (1.607–6.010), and 0.979 (0.968–0.990), respectively. Conclusions: A positive association between hospital admissions and the daily average concentration of CO was observed. CO is likely to be a risk factor for hospital admissions in adults with asthma.
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Impact of Smoking on Anal Abscess and Anal Fistula Diseases p. 1034
Li-Hua Zheng, Ao-Zhe Zhang, Yu-Ying Shi, Xin Li, Lan-Si Jia, Cong-Cong Zhi, Qiu-Xiang Yu, Wen Zhang, Yan-Jun Liu, Luan Wang, Dan Xiao, Chen Wang
Background: Several studies have investigated the association between smoking and anal abscess and anal fistula (AA/F) diseases. However, the relationship between cigarette smoking and AA/F remains unclear. This study sought to assess the role of smoking in anorectal male patients in a Chinese population. Methods: In this retrospective study, a questionnaire, including smoking history, was completed over a 3-month period by male inpatients in the Proctology Department of China-Japan Friendship Hospital. “Cases” were patients who had AA/F, and “controls” were patients with other anorectal complaints. Mann-Whitney U-test and Chi-square test were carried out to examine differences in baseline characteristics between groups. Subsequently, multivariate logistic regression was used to explore any related factors. Results: A total of 977 patients aged from 18 to 80 years were included, excluding those diagnosed with inflammatory bowel disease or diabetes mellitus. Out of this total, 805 patients (82.4%) completed the entire questionnaire. Among the 805 patients, 334 (41.5%) were cases and 471 (58.5%) were controls. Results showed significant differences between cases and controls (χ2 = 205.2, P < 0.001), with smoking found to be associated with the development of AA/F diseases (odds ratio: 12.331, 95% confidence interval: 8.364–18.179, P < 0.001). Conclusions: This study suggested smoking to be a potential risk factor for the development of AA/F diseases in a Chinese population. Consequently, current smoking patients should be informed of this relationship, and further research should be conducted to explore and investigate this further.
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Evaluation of Knees in Asymptomatic Amateur Ice Hockey Players Using 3.0-T Magnetic Resonance Imaging: A Case-Control Study p. 1038
Xiao-Dan Chang, Pei Yang, Xin-Yan Mu, Wei-Li Ma, Mo Zhou
Background: Research on the changes to knee structures in asymptomatic amateur ice hockey players (AAIHPs) has been limited. We aimed to assess the performance of the knees in AAIHPs using 3.0-T magnetic resonance imaging (MRI). Methods: A total of 71 asymptomatic knees (32 AAIHPs and 39 age- and sex-matched controls) were imaged using a 3.0-T MRI scanner at the Affiliated Zhongshan Hospital of Dalian University in April 2017. Two experienced musculoskeletal radiologists were blinded to assess all MRI findings, including bursae around the knee, bone marrow edema (BME), meniscal signal changes, and articular cartilage and ligament damage. Any disagreements were resolved by a third professor of musculoskeletal radiology. Categorical variables were compared using the Chi-square test and continuous variables using the Student's t-test or Mann-Whitney U-test. Results: The most common finding was fluid-filled bursae surrounding the knee. In the AAIHP group, which totaled 32 knees and 416 bursae, 155 (37%) fluid-filled bursae were present. In the control group, there were a total of 39 knees and 507 bursae, and 91 (18%) fluid-filled bursae were present. There was a significant difference in the number of fluid-filled bursae between the two groups (P < 0.05). However, in AAIHPs, the prevalence of meniscal signal changes (16 knees, 50%) was higher than in the control group (2 knees, 5%; P < 0.001). Importantly, 15 of the 19 were grade II signals. Other changes were only found in AAIHPs. Articular cartilage lesions were detected in 47% of their knees, predominantly at the patellofemoral joint, and BME was found in 34% of their knees. Conclusion: The MRI findings of knees in AAIHPs mainly manifested as self-protection reaction, and proper ice hockey exercise could be advocated.
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Comparison Thigh Skeletal Muscles between Snowboarding Halfpipe Athletes and Healthy Volunteers Using Quantitative Multi-Parameter Magnetic Resonance Imaging at Rest p. 1045
He Sun, Meng-Tao Xu, Xiao-Qi Wang, Meng-Hu Wang, Bao-Heng Wang, Feng-Zhe Wang, Shi-Nong Pan
Background: Magnetic resonance (MR) imaging provides a unique, noninvasive diagnostic platform to quantify the physiological and biochemical variables of skeletal muscle at rest. This study was to investigate the difference in thigh skeletal muscles between snowboarding halfpipe athletes and healthy volunteers via multiparametric MR imaging. Methods: A comparative study was conducted between 12 healthy volunteers and 14 snowboarding halfpipe athletes. MR scanning targeted the left leg at the level of the proximal thigh on a 3.0T MR system. The measured parameters compared between the two groups included T1, T2, T2* relaxation times, fat fraction (FF), and cross-sectional area (CSA) of the quadriceps femoris and the hamstring muscles. Statistical analysis was carried out using independent sample t-test. Interrater reliability was also assessed with intraclass correlation coefficients (ICCs). Results: It was statistically equivalent between two groups in age, body mass index, thigh circumference, calf circumference, systolic blood pressure, and resting heart rate (all P > 0.05). However, the T1 and T2 values of the hamstring muscles in the athlete group were found to be significantly shorter than those in control group (T1: 1063.3 ± 24.1 ms vs. 1112.0 ± 38.2 ms in biceps femoris, 1050.4 ± 31.2 ms vs. 1095.0 ± 39.5 ms in semitendinosus, 1053.1 ± 31.7 ms vs. 1118.4 ± 40.0 ms in semimembranosus, respectively; T2: 33.4 ± 0.7 ms vs. 36.1 ± 1.9 ms in biceps femoris, 34.6 ± 2.0 ms vs. 37.0 ± 1.9 ms in semitendinosus, 36.9 ± 1.5 ms vs. 38.9 ± 2.4 ms in semimembranosus, respectively; all P < 0.05) although T2* relaxation time was detected with no significant difference. The FF of the hamstring muscles was obviously less than the control group (5.5 ± 1.9% vs. 10.7 ± 4.7%, P < 0.001). In addition, the quadriceps' CSA in the athlete group was substantially larger than the control group (8039.0 ± 1072.3 vs. 6258.2 ± 852.0 mm2, P < 0.001). Interrater reliability was excellent (ICC: 0.758–0.994). Conclusion: Multiple MR imaging parameters indicated significant differences between snowboarding halfpipe athletes and healthy volunteers in the thigh skeletal muscles.
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Sports Injury-Related Fingers and Thumb Deformity Due to Tendon or Ligament Rupture p. 1051
Rong-Jie Bai, Hui-Bo Zhang, Hui-Li Zhan, Zhan-Hua Qian, Nai-Li Wang, Yue Liu, Wen-Ting Li, Yu-Ming Yin
Background: Hand injuries are very common in sports, such as skiing and ball sports. One of the major reasons causing hand and finger deformity is due to ligament and tendon injury. The aim of this study was to investigate if the high-resolution 3T magnetic resonance imaging (MRI) can demonstrate the complex anatomy of the fingers and thumb, especially the tendons and ligaments, and provide the accurate diagnosis of clinically important fingers and thumbs deformity due to ligamentous and tendinous injuries during sport activities. Methods: Sixteen fresh un-embalmed cadaveric hands were harvested from eight cadavers. A total of 20 healthy volunteers' hands and 44 patients with fingers or thumb deformity due to sports-related injuries were included in this study. All subjects had MR examination with T1-weighted images and proton density-weighted imaging with fat suppression (PD FS) in axial, coronal, and sagittal plane, respectively. Subsequently, all 16 cadaveric hands were sliced into 2-mm thick slab with a band saw (six in coronal plane, six in sagittal plane, and four in axial plane). The correlation of anatomic sections and the MRI characteristics of tendons of fingers and the ulnar collateral ligament (UCL) at the metacarpal phalangeal joint (MCPJ) of thumb between 20 healthy volunteers and 44 patients (confirmed by surgery) were analyzed. Results: The normal ligaments and tendons in 16 cadaveric hands and 20 volunteers' hands showed uniform low-signal intensity on all the sequences of the MRI. Among 44 patients with tendinous and ligamentous injuries in the fingers or thumb, 12 cases with UCL injury at MCPJ of the thumb (Stener lesion = 8 and non-Stener lesion = 4), 6 cases with the central slip injury, 12 cases with terminal tendon injury, and 14 cases with flexor digitorum profundus injury. The ligaments and tendons disruption manifested as increased signal intensity and poor definition, discontinuity, and heterogeneous signal intensity of the involved ligaments and tendons. Conclusions: Sports injury-related fingers and thumb deformity are relatively common. MRI is an accurate method for evaluation of the anatomy and pathologic conditions of the fingers and thumb. It is a useful tool for accurate diagnosis of the sports-related ligaments and tendons injuries in hand.
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Predictive Value of Serum Creatinine, Blood Urea Nitrogen, Uric Acid, and β2-Microglobulin in the Evaluation of Acute Kidney Injury after Orthotopic Liver Transplantation p. 1059
Hai-Yang Lu, Xin-Yu Ning, Ying-Qi Chen, Shu-Jun Han, Ping Chi, Sai-Nan Zhu, Yun Yue
Background: As a major complication after orthotopic liver transplantation (OLT), the occurrence of acute kidney injury (AKI) is frequently defined by serum creatinine (Cr); however, the accuracy of commonly used blood urea nitrogen (BUN), uric acid (UA), and β2-microglobulin (β2-MG) remains to be explored. This retrospective study compared the accuracy of these parameters for post-OLT AKI evaluation. Methods: Patients who underwent OLT in three centers between July 2003 and December 2013 were enrolled. The postoperative AKI group was diagnosed by the Kidney Disease Improving Global Outcomes (KDIGO) criteria and classified by stage. Measurement data were analyzed using the t-test or Wilcoxon rank-sum test; enumerated data were analyzed using the Chi-square test or Fisher's exact test. Diagnostic reliability and predictive accuracy were evaluated using receiver operating characteristic (ROC) curve analysis. Results: This study excluded 976 cases and analyzed 697 patients (578 men and 119 women); the post-OLT AKI incidence was 0.409. Compared with the no-AKI group, the AKI group showed very significant differences in Model for End-stage Liver Disease score (14.74 ± 9.91 vs. 11.07 ± 9.54, Z = 5.404; P < 0.001), hepatic encephalopathy (45 [15.8%] vs. 30 [7.3%], χ2 = 12.699; P < 0.001), hemofiltration (28 [9.8%] vs. 0 [0.0%], χ2 = 42.171; P < 0.001), and 28-day mortality (23 [8.1%] vs. 9 [2.2%], χ2 = 13.323; P <0.001). Moreover, mean values of Cr, BUN, UA, and β2-MG in the AKI group differed significantly at postoperative days 1, 3, and 7 (all P < 0.001). ROC curve area was 0.847 of Cr for the detection of AKI Stage 1 (sensitivity 80.1%, specificity 75.7%, cutoff value 88.23 μmol/L), 0.916 for Stage 2 (sensitivity 87.6%, specificity 82.6%, cutoff value 99.9 μmol/L), and 0.972 for Stage 3 (sensitivity 94.1%, specificity 88.2%, cutoff value 122.90 μmol/L). Conclusion: The sensitivity and specificity of serum Cr might be a high-value indicator for the diagnosis and grading of post-OLT AKI.
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Outcomes of Ebstein's Anomaly Patients Treated with Tricuspid Valvuloplasty or Tricuspid Valve Replacement: Experience of a Single Center p. 1067
Bin Li, Han-Song Sun, Shi-Wei Pan, Jian-Ping Xu
Background: The incidence of Ebstein's anomaly is extremely low, and except for the Mayo Clinic, no cardiac center has reported on a sufficient number of patients. The aim of our study was to report the outcomes of Ebstein's anomaly patients treated with tricuspid valvuloplasty (TVP) or tricuspid valve replacement (TVR). Methods: TVP or TVR was performed in 245 patients from July 2006 to April 2016. We reviewed patients' records and contacted patients via outpatient service and over the telephone. Results: The mean follow-up time was 43.6 ± 32.6 months, and 224 (91.4%) patients underwent follow-up. The mean operative age was 31.2 ± 15.7 years. TVR was performed in 23 patients, and TVP was performed in 201 patients. The 30-day mortality rate was 1.3%, and the overall survival rate was 97.9% at 5 and 10 years. The early mortality rate of the TVP group was lower than that of the TVR group (0.5% vs. 8.7%, P = 0.028), and the overall mortality rate of the TVP group was lower than that of the TVR group, without statistical significance (1.0% vs. 8.7%). After propensity score matching, the rates of mortality and New York Heart Association class ≥ III were lower in the TVP group than those in the TVR group without statistical significance. Seven patients with Type B Wolff-Parkinson-White (WPW) syndrome underwent one-stage surgery, and arrhythmias disappeared. Six patients suffered from episodes of left ventricular outflow tract obstruction (LVOTO) during surgery. Severe LVOTO could be treated with reoperation of the atrialized right ventricle. Conclusions: Ebstein's anomaly patients treated with TVP or TVR can experience optimal outcomes with midterm follow-up. However, TVP should be the first-choice treatment. Optimal outcomes can be obtained from one-stage operation in patients with Type B WPW syndrome. Severe LVOTO during surgery might be related to improper operation of the atrialized right ventricle.
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Serum Interleukin-6 Level and the rs1800795 Polymorphism in its Gene Associated with Neuroblastoma Risk in Chinese Children p. 1075
Qian Zhao, Mei Jin, Da-Wei Zhang, Wen Zhao, Xi-Si Wang, Zhi-Xia Yue, Chao Duan, Cheng Huang, Xiao-Li Ma
Background: The pro-inflammatory cytokine, interleukin-6 (IL-6), stimulates the metastasis of several neoplasms. An association of its serum level and the single nucleotide polymorphism (SNP) rs1800795 with neuroblastoma (NB) has been reported in American and Italian cohorts. This study was to clarify whether the same association exists in Chinese children. Methods: A total of 130 NB patients, with 77 boys (59%), 53 girls (41%), mean age 41 ± 5 months, were assigned to two groups: high risk (HR) versus intermediate-low risk (non-HR), and 50 healthy children were randomly selected as the age- and gender-matched controls. Peripheral blood samples were analyzed to determine serum IL-6 level using enzyme linked immunosorbent assay and rs1800795 SNPs phenotype using polymerase chain reaction and gene sequencing. Results: There were 87 NB patients in the HR group and 43 NB patients in the non-HR group. A comparison of allele and genotype frequencies of the rs1800795 polymorphism between patients and controls found no association with NB risk (P > 0.05). The frequency of GG+GC genotype was higher in HR-NB patients than in non-HR-NB patients (64.4% vs. 48.8%, P = 0.02), and serum IL-6 level was much higher in HR-NB patients with GG+GC genotype than in HR-NB patients with CC genotype (4.36 ± 1.1 pg/ml vs. 1.83 ± 0.5 pg/ml; P = 0.02), but not in Non-HR-NB patients. Conclusions: The polymorphism rs1800795 is associated with serum IL-6 level and level of NB risk. GG genotype might indicate that the tumor is highly malignant (prone to metastasis) and associated with poor prognosis.
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Unsatisfactory Glucose Management and Adverse Pregnancy Outcomes of Gestational Diabetes Mellitus in the Real World of Clinical Practice: A Retrospective Study p. 1079
Ru Feng, Lu Liu, Yuan-Yuan Zhang, Zhong-Shang Yuan, Ling Gao, Chang-Ting Zuo
Background: Facing the increasing prevalence of gestational diabetes mellitus (GDM), this study aimed to evaluate the management of GDM and its association with adverse pregnancy outcomes. Methods: The data of 996 inpatients with GDM who terminated pregnancies in our hospital from January 2011 to December 2015 were collected. Treatments during pregnancy and the last hospital admission before delivery were analyzed. Pregnancy outcomes of the GDM patients were compared with 996 nondiabetic subjects matched by delivery year and gestational age. The association between fasting plasma glucose (FPG) and adverse pregnancy outcomes was examined by logistic regression analyses. Results: The average prevalence of GDM over the 5 years was 4.4% (1330/30,191). Within the GDM patients, 42.8% (426/996) received dietary intervention, whereas 19.1% (190/996) received insulin treatment. Adverse outcomes were more likely to occur in patients with unsatisfactory control of blood glucose such as respiratory distress syndrome (RDS, χ2 = 13.373, P < 0.01). Elevated FPG was identified as an independent risk factor for premature birth (odds ratio [OR] = 1.460, P < 0.001), neonatal care unit admission (OR = 1.284, P < 0.001), RDS (OR = 1.322, P = 0.001), and stillbirth (OR = 1.427, P < 0.001). Conclusions: Management of GDM in the real world of clinical practice was unsatisfactory, which might have contributed to adverse pregnancy outcomes.
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Current Status of Community-Acquired Pneumonia in Patients with Chronic Obstructive Pulmonary Disease p. 1086
De-Shun Liu, Xiu-Di Han, Xue-Dong Liu
Objective: Worldwide, community-acquired pneumonia (CAP) is a common infection that occurs in older adults, who may have pulmonary comorbidities, including chronic obstructive pulmonary disease (COPD). Although there have been clinical studies on the coexistence of CAP with COPD, there remain some controversial findings. This review presents the current status of COPD in CAP patients, including the disease burden, clinical characteristics, risk factors, microbial etiology, and antibiotic treatment. Data Sources: A literature review included full peer-reviewed publications up to January 2018 derived from the PubMed database, using the keywords “community-acquired pneumonia” and “chronic obstructive pulmonary disease”. Study Selection: Papers in English were reviewed, with no restriction on study design. Results: COPD patients who are treated with inhaled corticosteroids are at an increased risk of CAP and have a worse prognosis, but data regarding the increased mortality remains unclear. Although Streptococcus pneumoniae is still regarded as the most common bacteria isolated from patients with CAP and COPD, Pseudomonas aeruginosa is also important, and physicians should pay close attention to the occurrence of antimicrobial resistance, particularly in these two organisms. Conclusions: COPD is a common and important predisposing comorbidity in patients who develop CAP. COPD often aggravates the clinical symptoms of patients with CAP, complicating treatment, but generally does not appear to affect prognosis.
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Detection of Repair of the Zone of Calcified Cartilage with Osteoarthritis through Mesenchymal Stem Cells by Ultrashort Echo Time Magnetic Resonance Imaging Highly accessed article p. 1092
Quan Zhou, Shao-Lin Li, Ya-Jun Ma, Vicki de Tal, Wei Li, Ying-Hua Zhao
DOI:10.4103/0366-6999.224725  PMID:29451138
Objective: Currently, magnetic resonance imaging (MRI) is the most commonly used imaging modality for observing the growth and development of mesenchymal stem cells (MSCs) after in vivo transplantation to treat osteoarthritis (OA). However, it is a challenge to accurately monitor the treatment effects of MSCs in the zone of calcified cartilage (ZCC) with OA. This is especially true in the physiological and biochemical views that are not accurately detected by MRI contrast agents. In contrast, ultrashort time echo (UTE) MRI has been shown to be sensitive to the presence of the ZCC, creating the potential for more effectively observing the repair of the ZCC in OA by MSCs. A special focus is given to the outlook of the use of UTE MRI to detect repair of the ZCC with OA through MSCs. The limitations of the current techniques for clinical applications and future directions are also discussed. Data Sources: Using the combined keywords: “osteoarthritis”, “mesenchymal stem cells”, “calcified cartilage”, and “magnetic resonance imaging”, the PubMed/MEDLINE literature search was conducted up to June 1, 2017. Study Selection: A total of 132 published articles were initially identified citations. Of the 132 articles, 48 articles were selected after further detailed review. This study referred to all the important English literature in full. Results: In contrast, UTE MRI has been shown to be sensitive to the presence of the ZCC, creating the potential for more effectively observing the repair of the ZCC in OA by MSCs. Conclusions: The current studies showed that the ZCC could be described in terms of its histomorphology and biochemistry by UTE MRI. We prospected that UTE MRI has been shown the potential for more effectively observing the repair of the ZCC in OA by MSCs in vivo.
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Airway Epithelial Cell Function and Respiratory Host Defense in Chronic Obstructive Pulmonary Disease p. 1099
Gimano D Amatngalim, Pieter S Hiemstra
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Clinical Characteristics of Fifty Patients with Allergic Bronchopulmonary Aspergillosis p. 1108
Min-Fang Zou, Yan Yang, Lin Liu, En-Hua Sun, Liang Dong
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Effect of a Patient Education Intervention on Asthma Control and Patient-Doctor Relationship p. 1110
Yu-Qin Zeng, David H Au, Shan Cai, Evan Carey, Fen Jiang, Yan Chen, Zhi-Jun Liu, Ping Chen
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Changes in Global Initiative for Chronic Obstructive Lung Disease ABCD Groups and the Impact of Regrouping on Treatment: A Comparison of 2017 and 2014 p. 1113
Ya-Nan Cui, Ping Chen, Zhong-Shang Dai, Yan Chen
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Citation Classics in Asthma Research: The 100 Top-Cited Articles During 1960–2014 p. 1115
Sha Li, Cheng-Jie Zhu, Yu-Lan Qu, Yu-Chao Dong, Yan Shang, Chong Bai
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A Screening Approach for Mitochondrial tRNALeu(UUR) A3243G Mutation in a Hospital-Based Population with Diabetes p. 1117
Li-Hua Tian, Xue-Yao Han, Xiu-Ting Huang, Si-Min Zhang, Si-Qian Gong, Yu-Min Ma, Xiao-Ling Cai, Ling-Li Zhou, Ying-Ying Luo, Meng Li, Wei Liu, Xiu-Ying Zhang, Qian Ren, Yu Zhu, Xiang-Hai Zhou, Rui Zhang, Ling Chen, Xue-Ying Gao, Yan Liu, Fang Zhang, Li-Nong Ji
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Association between Diabetes Mellitus and Hypertension in Benign Prostatic Hyperplasia Patients p. 1120
Xian-Tao Zeng, Hong Weng, Ying-Hui Jin, Tong-Zu Liu, Mei-Yan Liu, Xing-Huan Wang, On Behalf of BPSC Investigators
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Guillain-Barre Syndrome Complicated on Postoperation on Renal Carcinoma and Meningioma p. 1122
Shuai Xu, Fen Peng, Yang-Shuo Wang, Shu Li, Hai-Ying Liu
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Application of the Next-Generation Sequencing Technology to Reveal Mechanism of Small Cell Lung Cancer Transformation from Adenocarcinoma p. 1124
Yong-Zhao Zhou, Jing Jin, Pan-Wen Tian, Wei-Min Li
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Intestinal Mucosal-Associated Lymphoid Tissue Lymphoma Mimicked Cryptogenic Multifocal Ulcerous Stenosing Enteritis p. 1126
Kai-Ni Shen, Yan Zhang, Jiao-Lin Zhou, Xuan Wang, Xiao-Qing Li
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Clinical Features and Clonal Origin of Diffuse Hepatocellular Carcinoma p. 1128
Zheng-Lu Wang, Lu-Zhou Zhang, Yu-Liang Wang, Wei-Ping Zheng, Hong Zheng
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Low Shear Stress Regulating Autophagy Mediated by the p38 Mitogen Activated Protein Kinase and p53 Pathways in Human Umbilical Vein Endothelial Cells p. 1132
Hui-Zhen Liu, Li Li, Shao-Liang Chen, Jian-Rui Wei, Jun-Xia Zhang, Jia Liu, Jie-Wen Guo, Xin-Liang Qu, Peng Chu
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Protection from Preeclampsia p. 1134
Antonio Ponzetto, Natale Figura, Annalisa Santucci
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