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    Study on the Etiology of Chronic Cough in Children Aged 0-14 Years in Lanzhou from 2014 to 2023
    NA Feiyang, YANG Yi, WANG Yong, WANG Yannan
    Chinese General Practice    2025, 28 (24): 3026-3031.   DOI: 10.12114/j.issn.1007-9572.2024.0607
    Abstract283)   HTML0)    PDF(pc) (1534KB)(161)       Save
    Background

    Chronic cough is a common disease of pediatric consultations, and the etiology of chronic cough in children varies in different regions. Lanzhou is located in the inland northwest of China, with a dry climate, more dusty weather, and higher pollen concentrations in the fall, but there is a lack of research on the etiology of chronic cough in children.

    Objective

    To investigate the etiological composition of chronic cough and the major etiological changes in children in Lanzhou from 2014 to 2023.

    Methods

    We retrospectively analyzed the clinical data of 944 children with chronic cough treated in outpatient and inpatient clinics of Gansu Provincial Maternal and Child-care Hospital (Gansu Provincial Central Hospital) from 2014 to 2023. And explored the etiology of chronic cough in children and its relationship with gender, age, season, and year.

    Results

    The etiological distribution of chronic cough in children from 2014 to 2023 was listed as follows. There were 314 cases (33.26%) of cough variant asthma (CVA), 259 cases (27.44%) of upper airway cough syndrome (UACS), 221 cases (23.41%) of post-infectious cough (PIC), 34 cases (3.60%) of protracted bacterial bronchitis (PBB), 9 cases (0.95%) of gastroesophageal reflux cough (GERC), and other etiologies of cough in 107 cases (11.34%). Among 107 children with cough of other etiologies, 80 children with multiple etiologies (8.47% of total cases) and 30.00% (24/80) of children with multiple etiologies had UACS combined with PIC. There was no statistical significance in the etiological distribution of chronic cough in children of different genders (χ2=0.894, P=0.971). The etiological distribution of chronic cough in children of different ages and seasons was statistically significant (χ2=361.544, P<0.001; χ2=31.793, P=0.007). Trend χ2 test showed that CVA gradually decreased with the increase of years (χ2=43.252, P<0.001), UACS gradually increased (χ2=30.431, P<0.001) .

    Conclusion

    CVA, UACS, and PIC were the leading causes of chronic cough in children in Lanzhou from 2014 to 2023. Among the multiple etiologies, UACS combined with PIC is the first cause. Age and season affected the composition of chronic cough in children in this region. As the years changed, CVA gradually decreased and UACS showed a significant increasing trend.

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    Clinical Effect of Proprioceptive Neuromuscular Facilitation Technique Combined with Spiral Stabilizing Muscle Chain Training in the Treatment of Adolescent Idiopathic Scoliosis
    NIE Daning, SHI Shusheng, TAO Yuru
    Chinese General Practice    2025, 28 (24): 3032-3042.   DOI: 10.12114/j.issn.1007-9572.2024.0562
    Abstract456)   HTML0)    PDF(pc) (2397KB)(471)       Save
    Background

    Research shows that China's primary and secondary school students scoliosis rate of 4.40%, the high incidence of age 13-15 years old, 79.5% of students with mild scoliosis, the number of incidence and the degree of scoliosis with the time of the annual trend, prevention and control of the situation is grim.

    Objective

    To investigate the efficacy of 3-times-weekly proprioceptive neuromuscular facilitation (PNF) technique combined with spiral stabilizing muscle chain training (SPS) on adolescent idiopathic scoliosis (AIS), which can promote the high quality of adolescent spinal health management work and provide a reference to achieve multifaceted screening and monitoring and precise scoliosis prevention and control.

    Methods

    The experiment was designed to screen 1 060 primary and middle school students in Nanjing from January to March 2024. A total of 32 AIS students aged 10 to 18 years with an angle of trunk rotation (ATR) of 5°to <10° were finally included as study subjects, and the students were randomly and equally grouped into the SPS, PNF, combined, and control groups of 8 students each based on electronic spinal measurements selected from previous subjects and surface electromyography measurements in Sorensen test. The 4 groups of students underwent a period of 12-week exercise intervention with 3 training sessions per week: the SPS group used only SPS, the PNF group used only PNF, the combined group used SPS combined with PNF, and the control group used traditional core stabilization training. The primary outcome measures will include the degree of scoliosis and the angle of trunk inclination angle (ATI), and the secondary outcome measures will include the body balance parameters of head deflection, shoulder height, hip height, and the surface electromyographic indices of root mean square (RMS), integrated electromyography (IEMG), median frequency (MF), and mean power frequency (MPF). Spine morphology and surface EMG indexes before and after the intervention were compared among the four groups, and correlation analysis was used to explore the correlation between electronic spine measurements and surface EMG values before and after the exercise intervention.

    Results

    The results showed that Comparison of baseline age, BMI, type of column scoliosis, direction of scoliosis, site of scoliosis, degree of scoliosis, ATI, head deflection, shoulder height, hip height among the students in the 4 groups showed no statistically significant differences (P>0.05). The degree of scoliosis, ATI, head deflection, shoulder height of students in the combined group were lower than those in the control group after the intervention (P<0.05) ; compared with the pre-intervention period, the degree of scoliosis, ATI, head deflection, shoulder height, and hip height of the students in the SPS group, the PNF group, and the combined group were all lower after the intervention (P<0.05). The results of correlation analysis showed that ATI and RMS ratio (RMSR) before and after the intervention were positively correlated with the degree of scoliosis before and after the intervention (P<0.05) ; ATI after the intervention was positively correlated with head deflection, shoulder height after the intervention (P<0.05) ; and RMSR after the intervention was positively correlated with head deflection and hip height after the intervention (P<0.05). The RMS and IEMG of the trapezius muscle on both sides were higher than those of the PNF group and those of the multifidus muscle on both sides were higher than those of the control group in the combined group after the intervention (P<0.05) ; compared with the pre-intervention period, the RMS and IEMG of the trapezius, erector spinae, and multifidus muscles on both sides were higher after the intervention in the students of the SPS group, the PNF group, and the combined group, and the overall RMSR was lower after the intervention (P<0.05). Compared with pre-intervention, SlopeMF was elevated in both trapezius, erector spinae, and multifidus muscles in the SPS group and combined group of students after intervention; and in both trapezius, erector spinae, and left multifidus muscles in the PNF group of students after intervention (P<0.05). Compared with the pre-intervention period, SlopeMPF of the trapezius, erector spinae, and left multifidus muscles on both sides were elevated after intervention for students in the SPS, PNF, and combined groups; SlopeMPF of the right multifidus muscle was elevated after intervention for students in the SPS and combined groups (P<0.05). Shoulder height after intervention was negatively correlated with the RMS of both trapezius and right multifidus muscles, the SlopeMPF of left erector spinae muscle, and the SlopeMF of right multifidus muscle (P<0.05) ; hip height was negatively correlated with the RMS of both trapezius and both multifidus muscles (P<0.05) .

    Conclusion

    Our findings suggest that ATI, body balance, and surface EMG values improved significantly in all test groups (SPS, PNF, and combined groups) after treatment, with the combined group showing a particularly strong treatment effect in shoulder and hip balance, and fatigue resistance of the paravertebral muscles on both sides of the joint group after treatment. The PNF combined with the SPS intervention can benefit AIS students through the activation of more muscle fibers for exercise and improved muscle fatigue.

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    Meta Analysis of the Prevalence and Risk Factors of Myopia in Chinese Children and Adolescents
    JIANG Shihua, ZHU Zheng, REN Yingying, ZHU Yaolei, WANG Yue, GAO Xibin
    Chinese General Practice    2025, 28 (24): 3043-3052.   DOI: 10.12114/j.issn.1007-9572.2024.0635
    Abstract575)   HTML3)    PDF(pc) (2274KB)(466)       Save
    Background

    Myopia is a refractive error, and in recent years, the prevalence of myopia among children and adolescents has remained high and has shown a tendency to be at a younger age, posing a great threat to the physical and mental health of children and adolescents. Currently, there are few systematic studies on myopia and risk factors in children and adolescents.

    Objective

    To explore the prevalence and influencing factors of myopia among children and adolescents in China using Meta-analysis.

    Methods

    A combination of Mesh subject terms and free terms was used to search for information on the prevalence of myopia in the databases of Web of Science, PubMed, Cochrane Library, China Knowledge Network (CNKI), Wanfang Data, VIP, and China Biomedical Literature Service System (SinoMed). Databases were searched for studies on the prevalence and influencing factors of myopia up to November 2024. The inclusion of studies was determined by consultation after independent screening by 2 investigators, and the studies were assessed for literature quality using the Agency for Healthcare Research and Quality (AHRQ) evaluation criteria, and Meta-analysis was performed using Stata 18.0 software.

    Results

    A total of 33 papers were included, with 768 813 cases of myopia. Meta-analysis showed that the prevalence of myopia among children and adolescents in China was 58% (95%CI=54%-62%), with the prevalence of myopia among females (OR=1.41, 95%CI=1.21-1.64), high school (OR=3.59, 95%CI=1.17-10.97), and senior grades (OR=1.53, 95%CI=1.33-1.77), urban (OR=2.12, 95%CI=1.29-3.48), one or both parents myopic (OR=1.88, 95%CI=1.78-1.99; OR=2.45, 95%CI=1.97-3.06), overweight or obese (OR=1.74, 95%CI=1.63-1.85), and incorrect reading and writing posture (OR=1.35, 95%CI=1.14-1.60), reading books or electronic screens while lying down or lying on their stomachs (OR=1.17, 95%CI=1.03-1.33), terminal video screen use >2 h per day (OR=1.29, 95%CI=1.15-1.44), and of outdoor activity <2 h per day (OR=1.41, 95%CI=1.10-1.80), average daily sleep time ≤8 h (OR=1.71, 95%CI=1.28-2.30), and attending cultural tutorial classes for ≥2 h in the past week (OR=1.27, 95%CI=1.12-1.42) were the risk factors for myopia in children and adolescents (P<0.05) ; doing eye exercises (OR=0.79, 95%CI=0.64-0.98), preferring vegetables and fruits (OR=0.84, 95%CI=0.76-0.92), and having outdoor activities during recess (OR=0.75, 95%CI=0.74-0.77) were protective factors for myopia in children and adolescents (P<0.05) .

    Conclusion

    The prevalence of myopia among children and adolescents in China is high, and females, high school, urban, family history of myopia, obesity, eye habits and conditions, sleep time, and insufficient outdoor activities are the main risk factors for myopia among children and adolescents, which should be improved to increase the attention to myopia among children and adolescents, and to provide early identification of myopia and intervention for children and adolescents, so as to reduce the prevalence of myopia and improve the quality of life of children with myopia.

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