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ObjectiveTo investigate the developmental characteristics of gross motor skills and executive functions, and the correlation between them in school-age children with attention deficit hyperactivity disorder (ADHD). MethodsFrom November, 2020 to May, 2021, 90 children with ADHD were recruited from Peking University Sixth Hospital and Beijing Haidian Wanquan Primary School, and other 90 children with normal development from this primary school were recruited matched their age and gender. Gross motor skills were assessed with the Test of Gross Motor Development in Children, Third Edition (TGMD-3), and inhibitory control, working memory, and cognitive flexibility were assessed with Stroop Color Words Test (SCWT), Rey-Osterrich Complex Figure Test (ROCFT) and Trail Making Test (TMT), respectively. ResultsThe TGMD-3 score was significantly lower in children with ADHD than in normal children (t = -6.275, P < 0.001), while the test results of SCWT, ROCFT and TMT were worse (|t| ≥ 1.986, P ≤ 0.05). The TGMD-3 score of children with ADHD was negatively correlated with the word sense reaction time (r = -0.261), the number of word sense errors (r = -0.404) and the number of color errors (r = -0.326) (P < 0.05), positively correlated with the delayed structural memory scores (r = 0.228) (P < 0.05), and negatively correlated with the TMT-A reaction time (r = -0.255), the number of TMT-A errors (r = -0.329), TMT-B reaction time (r = -0.214) and the number of TMT-B errors (r = -0.474) (P < 0.05). Stratified linear regression analyses showed that the TGMD-3 score of children with ADHD was significant only in predicting test results for inhibitory control and cognitive flexibility (P < 0.05), with explanations of 8.7% and 22.5%, respectively. ConclusionDevelopments of both gross motor skills and executive function delay in children with ADHD, and there is a relation between them, especially the level of gross motor skills relating to the developments of inhibitory control and cognitive flexibility.
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ObjectiveTo explore the characteristics of fine motor skills of school-age children with attention deficit hyperactivity disorder (ADHD) in different sexes. MethodsFrom April, 2021 to April, 2023, 66 ADHD children from grades one to four in Beijing Haidian Wanquan Primary School were screened by psychiatrists, and other 69 ADHD children were recruited from hospitals and patient groups of WeChat, accounting to 135 ADHD children. Meanwhile, a total of 135 typically developed (TD) children matched with sex and age (< 0.5 year) were recruited from the same primary school as controls. They were assessed with Movement Assessment Battery for Children (MABC-2) four subtests of manual dexterit. ResultsAfter controlling age, the subtest scores and the total score of fine motor of MABC-2 were less in ADHD boys and girls than in the TD boys and girls (P < 0.05). The main effect of sex was significant on the subtest scores and the total score of fine motor for ADHD children (F > 5.133, P < 0.05), and they were less in the boy than in the girls (P < 0.05). ConclusionThe development of fine motor delays in school-aged ADHD children, especially for the boys.
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Objective:To explore the aerobic exercise tolerance and ventilatory efficiency during cardiopulmonary exercise testing (CPET) of persons with non-small cell lung cancer (NSCLC) complicated by type 2 diabetes mellitus (T2DM).Methods:Forty-eight persons with NSCLC and T2DM formed an NSCLC-T2DM group while another 48 persons with NSCLC but not T2DM formed an NSCLC-non T2DM group. Another 24 healthy counterparts were enrolled into the control group. All completed CPET before pneumonectomies were performed on those with NSCLC. Indexes of static pulmonary function, exercise tolerance, heart rate recovery, ventilation efficiency and gas exchange were computed.Results:Compared with the control group, both NSCLC groups had, on average, lower peak oxygen uptake (VO 2peak), lower anaerobic thresholds (ATs) and lower peak O 2 pulse rates. They also had higher average VE/VCO 2 slopes and VE/VCO 2 nadirs. Compared with the NSCLC-non T2DM group, those with T2DM had a significantly lower average VO 2peak and WRpeak, as well as significantly higher average VE/VCO 2 slope and VE/VCO 2 nadir. Compared with the control group, the average VO 2 and VCO 2 of both NSCLC groups was lower at the AT and during peak exercise, with the NSCLC-T2DM group′s averages significantly lower than those of the NSCLC-non T2DM group during peak exercise. During warm-up and at the AT, the NSCLC groups had a significantly higher average heart rate than the control group. Then, compared with the control group and the NSCLC-non T2DM group, the average heart rate in the NSCLC-T2DM group decreased significantly more slowly during the first three minutes of the recovery period. Compared with the control group, the VE/VCO 2 values of the NSCLC groups were significantly higher at the AT and during peak exercise. During the warm-up and at the AT, the average partial pressures of end-tidal carbon dioxide in the NSCLC groups were significantly lower than among control group, and during peak exercise the NSCLC-T2DM group′s average value was significantly lower than the control group′s. Compared with the control group and the NSCLC-non T2DM group, the NSCLC-T2DM group′s average forced expiratory volume in one second, forced vital capacity, peak expiratory flow rate and maximum voluntary ventilation were all significantly lower. Conclusions:Diabetes impairs the exercise tolerance and ventilation efficiency of persons with NSCLC. Without diabetes their exercise tolerance and ventilation efficiency would be impaired only slightly. CPET can provide a basis for risk assessment before pneumonectomy.