1.Singapore consensus statements on the management of obstructive sleep apnoea.
Leong Chai LEOW ; Chuen Peng LEE ; Sridhar VENKATESWARAN ; Michael Teik Chung LIM ; Oon Hoe TEOH ; Ruth CHANG ; Yam Cheng CHEE ; Khai Beng CHONG ; Ai Ping CHUA ; Joshua GOOLEY ; Hong Juan HAN ; Nur Izzianie KAMARUDDIN ; See Meng KHOO ; Lynn Huiting KOH ; Shaun Ray Han LOH ; Kok Weng LYE ; Mark IGNATIUS ; Yingjuan MOK ; Jing Hao NG ; Thun How ONG ; Chu Qin PHUA ; Rui Ya SOH ; Pei Rong SONG ; Adeline TAN ; Alvin TAN ; Terry TAN ; Jenny TANG ; David TAY ; Jade TAY ; Song Tar TOH ; Serene WONG ; Chiang Yin WONG ; Mimi YOW
Annals of the Academy of Medicine, Singapore 2025;54(10):627-643
INTRODUCTION:
Obstructive sleep apnoea (OSA) is common in Singapore, with moderate to severe OSA affecting around 30% of residents. These consensus statements aim to provide scientifically grounded recommendations for the management of OSA, standar-dise the management of OSA in Singapore and promote multidisciplinary collaboration.
METHOD:
An expert panel, which was convened in 2024, identified several areas of OSA management that require guidance. The expert panel reviewed the current literature and developed consensus statements, which were later independently voted on using a 3-point Likert scale (agree, neutral or disagree). Consensus (total ratings of agree and neutral) was set a priori at ≥80% agreement. Any statement not reaching consensus was excluded.
RESULTS:
The final consensus included 49 statements that provide guidance on the screening, diagnosis and management of adults with OSA. Additionally, 23 statements on the screening, diagnosis and management of paediatric OSA achieved consensus. These 72 consensus statements considered not only the latest clinical evidence but also the benefits and harms, resource implications, feasibility, acceptability and equity impact of the recommendations.
CONCLUSION
The statements presented in this paper aim to guide clinicians based on the most updated evidence and collective expert opinion from sleep specialists in Singapore. These recommendations should augment clinical judgement rather than replace it. Management decisions should be individualised, taking into account the patient's clinical characteristics, as well as patient and caregiver concerns and preferences.
Humans
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Sleep Apnea, Obstructive/diagnosis*
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Singapore
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Consensus
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Adult
2.Short-axis cine cardiac magnetic resonance images-derived radiomics for hypertrophic cardiomyopathy and healthy control classification
Qiming LIU ; Qifan LU ; Yezi CHAI ; Meng JIANG ; Jun PU
Journal of Shanghai Jiaotong University(Medical Science) 2024;44(1):79-86
Objective·To analyze the differences and classify hypertrophic cardiomyopathy(HCM)patients and healthy controls(HC)using short-axis cine cardiac magnetic resonance(CMR)images-derived radiomics features.Methods·One hundred HCM subjects were included,and fifty HC were randomly selected at 2∶1 ratio during January 2018 to December 2021 in the Department of Cardiology,Renji Hospital,Shanghai Jiao Tong University School of Medicine.The CMR examinations were performed by experienced radiologists on these subjects.CVI 42 post-processing software was used to obtain left ventricular morphology and function measurements,including left ventricular ejection fraction(LVEF),left ventricular end-diastolic volume(LVEDV)and left ventricular end-diastolic mass(LVEDM).The 3D radiomic features of the end-diastolic myocardial region were extracted from short-axis images CMR cine.The distribution of the radiomic features in the two groups was analysed and machine learning models were constructed to classify the two groups.Results·One hundred and seven 3D radiomic features were selected and extracted.After exclusion of highly correlated features,least absolute shrinkage and selection operator(LASSO)was used,and a 5-fold cross-validation was performed.There were still 11 characteristics with non-zero coefficients.The K-best method was used to decide the top 8 features for subsequent analysis.Among them,four features were significantly different between the two groups(all P<0.05).Support vector machine(SVM)and random forest(RF)models were constructed to discriminate the two groups.The results showed that the maximum area under the curve(AUC)for the single-feature model(first order grayscale:entropy)was 0.833(95%CI 0.685?0.968)and the maximum accuracy for the multi-feature model was 83.3%with an AUC of 0.882(95%CI 0.705?0.980).Conclusion·There are significant differences in both left ventricular function and left ventricular morphology between HCM and HC.The 3D myocardial radiomic features of the two groups are also significantly different.Although single feature is able to distinguish the two groups,the combination of multi-features show better classification performance.
3.A study of the rehabilitation effects of a multi-factor intervention based on the Finnish model of prevention of cognitive impairment in the elderly on patients with cognitive impairment after first-episode stroke
Qianwen CHAI ; Minghui LU ; Shuyan LI ; Anna WU ; Xian LIU ; Meng MENG ; Nan ZHANG ; Li WEI
Chinese Journal of Practical Nursing 2024;40(10):721-729
Objective:To explore the rehabilitation effect of multi-factor intervention based on the Finnish model of prevention of cognitive impairment in the elderly on patients with cognitive impairment after first-episode stroke, and to provide reference for rehabilitation nursing of cognitive impairment after stroke.Methods:The quasi-experiment research scheme was adopted and convenience sampling method was used to select participants with first-episode stroke cognitive impairment hospitalized in the General Hospital of Tianjin Medical University Airport Site. The 50 patients admitted from January to June 2022 were selected as the control group, and 50 patients admitted from July to December 2022 were selected as the intervention group. The control group received routine rehabilitation nursing and health education, and the intervention group received the Finnish model of prevention of cognitive impairment in the elderly on patients before discharge on the basis of the control group. The Mini-Mental State Examination (MMSE) and Health Education Compliance Assessment Scale for Stroke Patients were used to evaluate the changes of overall cognitive function and rehabilitation compliance before intervention, 3 and 6 months after intervention.Results:The final control group included 49 cases, including 35 males and 14 females, aged (64.67 ± 7.47) years old; the intervention group included 50 cases, 32 males and 18 females, aged (66.68 ± 8.75) years old. Before intervention, there were no significant differences in overall cognitive function and compliance of rehabilitation score ( P>0.05). At 3 and 6 months after intervention, the overall cognitive function score, the total score on compliance of rehabilitation, dimension scores of diet compliance, exercise rehabilitation compliance and health behavior compliance of the intervention group were (26.36±2.36) , (125.96 ± 13.80) , (23.30 ± 5.26) , (27.72 ± 4.46) , (43.66 ± 6.80) and (27.26 ± 3.71) , (152.44 ± 9.06) , (30.12 ± 6.42) , (33.32 ± 3.02) , (52.36 ± 4.70) , respectively. They were higher than the control group (24.04 ± 4.50) , (116.67 ± 10.26) , (19.31 ± 3.95) , (25.29 ± 3.45) , (40.59 ± 4.33) and (24.27 ± 4.33) , (138.92 ± 16.71) , (24.20 ± 4.48) , (30.00 ± 5.53) , (47.65 ± 8.03) , and the differences had statistical significance ( t values were -5.31- -2.67, all P<0.05). According to the variance analysis of repeated measurement, intergroup and time factor, the interaction between groups and time had significant impact on general cognitive function score, the total score of rehabilitation compliance, the dimension scores of diet, exercise rehabilitation and health behavior compliance ( Fgroup values were 8.33-18.08, Ftime values were 135.71-944.69, Finteraction values were 5.46-27.30, all P<0.05) . Time factor had significant impact on patient medication adherence score ( Ftime=206.23, P<0.05) . Conclusions:Multi-factor intervention based on the Finnish model of prevention of cognitive impairment in the elderly can improve the overall cognitive function and rehabilitation compliance of patients with cognitive impairment after first-episode stroke.
4.Current status of radiological Kashin-Beck disease among school-aged children in Chamdo City, Tibet
Jiaxiang GAO ; Hu LI ; Liyi ZHANG ; Zihao HE ; Ziyi YANG ; Zhichang LI ; Kai WANG ; Yan KE ; Qiang LIU ; Shu ZHANG ; Xiaobo CHENG ; Shuai CHAI ; Zhaoyang MENG ; Lipeng SUN ; Qunwei LI ; Hongqiang GONG ; Jianhao LIN
Chinese Journal of Orthopaedics 2024;44(1):33-40
Objective:This study aimed to explore the status of radiological Kashin-Beck disease (KBD) among school-aged children in Chamdo City, Tibet, through a 3-year monitoring survey, providing epidemiological evidence for prevention and control strategies.Methods:The target areas for this study were Luolong, Bianba, and Basu counties in Chamdo City, Tibet Autonomous Region, identified as having the most severe historical cases of KBD. Children aged 7-12 years attending school were enrolled as study subjects. Anteroposterior X-ray films of the right-hand were taken, and radiological diagnoses were made based on the "Diagnosis of Kashin-Beck Disease" criteria (WS/T 207-2010). Two experienced researchers independently reviewed the X-rays, and intra- and inter-group consistency were assessed using weighted Kappa values and percentage agreement. Cross-sectional surveys were conducted in 2017 and 2020 to describe the X-ray detection rates of KBD, and logistic regression analysis was employed to construct a predictive model of risk factors for radiological KBD cases.Results:In 2017, a total of 5,711 children aged 7-12 years in Chamdo City, Tibet, participated in the baseline cross-sectional survey (average age 9.2 years, 48.0% female), with 28 cases of radiological KBD. The age- and gender-standardized prevalence rate was 0.527%. In 2020, 6,771 participants (average age 9.3 years, 49.5% female) underwent a second cross-sectional survey, with 9 cases of radiological KBD and a standardized prevalence rate of 0.134%. Logistic regression analysis indicated that older age [ OR=2.439, 95% CI(1.299, 4.580), P=0.006] and female gender [ OR=8.157, 95% CI(1.016, 65.528), P=0.048] were independent risk factors for radiological KBD cases. Conversely, higher residential altitude, under the premise of Tibet's high altitude, was a protective factor [ OR=0.995, 95% CI(0.990, 0.999), P=0.032). Conclusion:The radiographically positive detection rate of KBD among school-aged children in Chamdo City, Tibet Autonomous Region, is at an extremely low level and showing a declining trend, reaching the historical standard in 2020. Considering the absence of positive signs in affected children, it suggests that local KBD has been effectively eliminated.
5.Treatment of Paroxysmal Atrial Fibrillation by Deficiency-Excess Pattern Identification Based on “Palpitations Caused by Wind Pathogen”
Yihang DU ; Yi WEI ; Ruoning CHAI ; Chenglin DUAN ; Xueping ZHU ; Meng LYU ; Zizhen CHEN ; Yuanhui HU
Journal of Traditional Chinese Medicine 2024;65(7):750-754
Paroxysmal atrial fibrillation can be attributed to the category of xinji (palpitations) and zhangchong (severe palpitations) in traditional Chinese medicine, and its onset has the characteristics of urgency, change, and movement, which is similar to the characteristics of diseases induced by wind pathogen. It is believed that the internal movement of wind pathogen runs through the whole course of this disease, and palpitations due to wind as the direct pathogenesis. Palpitations caused by wind pathogen showed different characteristics of deficiency and excess pattern. In the acute exacerbation period, excess wind is the main cause of disease. For excessive heat generating wind, the treatment is to clear the liver and extinguish wind by self-modified Lingxia Qinggan Decoction (羚夏清肝汤); for blood stasis generating wind, the treatment is to remove blood stasis and stop wind by self-modified Yandan Limai Decoction (延丹理脉汤); for phlegm-heat accumulation with wind, the treatment is to dissolve phlegm and eliminate wind by self-modified Lianlou Danxing Decoction (连蒌胆星汤). In the prolonged recovery period, deficiency wind is more common. For stirring of wind due to yin deficiency, the treatment is to nourish yin and extinguish wind by self-modified Zaoshao Zhenzhu Deoction (枣芍珍珠汤); for spleen deficiency generating wind, the treatment is to strengthen spleen and nourish wind by self-modified Shenying Dingji Deoction (参英定悸汤). Clinical prescriptions closely follow the characteristics of wind, weigh the changes of deficiency and excess, tailor with the patterns, and regulate qi and blood of the zang-fu organs, in order to extinguish wind and arrest convulsion.
6.FACE-Q scale assessment of surgical outcomes in robot-assisted mandibular angle osteotomy
Xuran ZHU ; Gang LI ; Gang CHAI ; Baoxi MENG ; Fulian MA
Chinese Journal of Plastic Surgery 2024;40(10):1073-1079
Objective:To assess the effectiveness of robot-assisted mandibular angle osteotomy using the FACE-Q questionnaire.Methods:A randomized controlled clinical study was conducted in the Second Affiliated Hospital of Zhengzhou University from January 2022 to June 2023. Patients with mandibular angle hypertrophy aged 18 to 40 years old were recruited as research objects, and a randomization and supply management system (Clinflash IRT 2.0) was used to randomly assign the experimental group and control groups in a 1∶1 ratio. Before surgery, Mimics 21.0 software was used to plan the surgical approach and determine the osteotomy plane based on the head CT data of the two groups. The experimental group underwent robot-assisted mandibular angle osteotomy according to the preoperative osteotomy plan, while the control group underwent traditional manual mandibular angle osteotomy according to the preoperative design. Six months after surgery, patients filled in the FACE-Q craniofacial module scale to evaluate the surgical effect, covering 12 indicators in four aspects: appearance satisfaction (including face, jaw and smile), health-related quality of life (including appearance anxiety, psychology, social interaction and speech), postoperative function (including breathing, diet, face and pronunciation), and adverse reactions. Each indicator was scored from 0 to 100 points, with higher scores indicating better evaluation. SPSS 27.0 software was used to process the data, and the measurement data of normal distribution were expressed by Mean±SD, and t-test was used for comparison between groups. The measurement data of non-normal distribution were expressed by M ( Q1, Q3), and Mann-Whitney U test was used for the comparison between groups. P<0.05 was considered statistically significant. Results:The experimental group included 20 patients, 3 males and 17 females, with an age of (27.6±4.4) years (19 to 38 years); the control group included 20 patients, 4 males and 16 females, with an age of (27.4±3.9) years (19 to 35 years). Six months postoperatively, all patients in both groups had good wound healing, and the mandibular hypertrophy was improved to varying degrees. There were no complications such as facial paralysis, facial deviation, or pain. The FACE-Q questionnaire results showed that in terms of appearance satisfaction, the scores for the three indicators of face, mandible, and smile in the experimental group were (72.2±11.7), 86(77, 92), and (63.2±9.5) points, respectively, all higher than those in the control group, which were (49.2±9.9), 43(35.5, 50), and (48.0±7.7) points, respectively, with statistically significant differences ( P<0.01 for all); in terms of health-related quality of life, except for speech, the scores for the three indicators of appearance anxiety, psychology, and social interaction in the experimental group were higher than those in the control group [(71.0±11.5) points vs.(49.1±10.3) points, (66.7±11.7) points vs.(45.4±10.5) points, (75.0±9.7)points vs.(56.4±8.5) points], with statistically significant differences ( P<0.01 for all); in terms of postoperative function, the score for eating in the experimental group was higher than that in the control group [(83.4±10.7) points vs.(71.0±14.9) points] ( P<0.01), but there were no statistically significant differences in the other three indicators ( P>0.05 for all); in terms of adverse reaction, there was no statistically significant difference between the two groups ( P>0.05). Conclusion:The result of the FACE-Q questionnaire assessment confirmed that robot-assisted mandibular angle osteotomy can significantly improve patients’ postoperative appearance satisfaction, psychological state, social adaptability, and eating function without increasing the incidence of complications.
7.Analysis of Grouping Effect of Gastric Cancer Patients and Influencing Factors of Hospitalization Cost based on DRG
Xuqiang DONG ; Rui SU ; Xi CHAI ; Bin WAN ; Guangfeng WANG ; Chong GAO ; Chengye CHE ; Dongmei MENG
Chinese Hospital Management 2024;44(9):70-74
Objective Analyzes the grouping effect and its influencing factors under DRG payment,provides reference for the reform of DRG payment.Methods Evaluates the effectiveness of DRG grouping using Coefficient of Variation(CV)and Reduction in Variance;using Value of Structure of Variation and Degree of Structure Variation,analyzes hospitalization costs structure changes of different DRG groups,and calculates the degree of correlation between average hospitalization costs through grey relational analysis;using non parametric tests and multiple regression to analyze the influencing factors of hospitalization cost.Results DRG grouping effect was not good,inter-group heterogeneity was not obvious;the structure of hospitalization expenses is unreasonable,and the proportion of consumables expenses is too high,ranking first in the grey correlation degree of hospitalization expenses,comprehensive medical service fees and treatment fees rank third and fifth respectively;the main factors affecting hospitalization costs are treatment methods,length of stay,presence of complications,and first hospitalization,the difference is statistically significant(P<0.05).Conclusion More grouping nodes or higher CV value standards should be added to enhance the grouping effect of gastric cancer DRG;optimize the structure of hospitalization costs to reflect the labor and technical value of medical personnel;strengthen internal management and control the unreasonable use of drugs and consumables.
8.Analysis of Grouping Effect of Gastric Cancer Patients and Influencing Factors of Hospitalization Cost based on DRG
Xuqiang DONG ; Rui SU ; Xi CHAI ; Bin WAN ; Guangfeng WANG ; Chong GAO ; Chengye CHE ; Dongmei MENG
Chinese Hospital Management 2024;44(9):70-74
Objective Analyzes the grouping effect and its influencing factors under DRG payment,provides reference for the reform of DRG payment.Methods Evaluates the effectiveness of DRG grouping using Coefficient of Variation(CV)and Reduction in Variance;using Value of Structure of Variation and Degree of Structure Variation,analyzes hospitalization costs structure changes of different DRG groups,and calculates the degree of correlation between average hospitalization costs through grey relational analysis;using non parametric tests and multiple regression to analyze the influencing factors of hospitalization cost.Results DRG grouping effect was not good,inter-group heterogeneity was not obvious;the structure of hospitalization expenses is unreasonable,and the proportion of consumables expenses is too high,ranking first in the grey correlation degree of hospitalization expenses,comprehensive medical service fees and treatment fees rank third and fifth respectively;the main factors affecting hospitalization costs are treatment methods,length of stay,presence of complications,and first hospitalization,the difference is statistically significant(P<0.05).Conclusion More grouping nodes or higher CV value standards should be added to enhance the grouping effect of gastric cancer DRG;optimize the structure of hospitalization costs to reflect the labor and technical value of medical personnel;strengthen internal management and control the unreasonable use of drugs and consumables.
9.Analysis of Grouping Effect of Gastric Cancer Patients and Influencing Factors of Hospitalization Cost based on DRG
Xuqiang DONG ; Rui SU ; Xi CHAI ; Bin WAN ; Guangfeng WANG ; Chong GAO ; Chengye CHE ; Dongmei MENG
Chinese Hospital Management 2024;44(9):70-74
Objective Analyzes the grouping effect and its influencing factors under DRG payment,provides reference for the reform of DRG payment.Methods Evaluates the effectiveness of DRG grouping using Coefficient of Variation(CV)and Reduction in Variance;using Value of Structure of Variation and Degree of Structure Variation,analyzes hospitalization costs structure changes of different DRG groups,and calculates the degree of correlation between average hospitalization costs through grey relational analysis;using non parametric tests and multiple regression to analyze the influencing factors of hospitalization cost.Results DRG grouping effect was not good,inter-group heterogeneity was not obvious;the structure of hospitalization expenses is unreasonable,and the proportion of consumables expenses is too high,ranking first in the grey correlation degree of hospitalization expenses,comprehensive medical service fees and treatment fees rank third and fifth respectively;the main factors affecting hospitalization costs are treatment methods,length of stay,presence of complications,and first hospitalization,the difference is statistically significant(P<0.05).Conclusion More grouping nodes or higher CV value standards should be added to enhance the grouping effect of gastric cancer DRG;optimize the structure of hospitalization costs to reflect the labor and technical value of medical personnel;strengthen internal management and control the unreasonable use of drugs and consumables.
10.Analysis of Grouping Effect of Gastric Cancer Patients and Influencing Factors of Hospitalization Cost based on DRG
Xuqiang DONG ; Rui SU ; Xi CHAI ; Bin WAN ; Guangfeng WANG ; Chong GAO ; Chengye CHE ; Dongmei MENG
Chinese Hospital Management 2024;44(9):70-74
Objective Analyzes the grouping effect and its influencing factors under DRG payment,provides reference for the reform of DRG payment.Methods Evaluates the effectiveness of DRG grouping using Coefficient of Variation(CV)and Reduction in Variance;using Value of Structure of Variation and Degree of Structure Variation,analyzes hospitalization costs structure changes of different DRG groups,and calculates the degree of correlation between average hospitalization costs through grey relational analysis;using non parametric tests and multiple regression to analyze the influencing factors of hospitalization cost.Results DRG grouping effect was not good,inter-group heterogeneity was not obvious;the structure of hospitalization expenses is unreasonable,and the proportion of consumables expenses is too high,ranking first in the grey correlation degree of hospitalization expenses,comprehensive medical service fees and treatment fees rank third and fifth respectively;the main factors affecting hospitalization costs are treatment methods,length of stay,presence of complications,and first hospitalization,the difference is statistically significant(P<0.05).Conclusion More grouping nodes or higher CV value standards should be added to enhance the grouping effect of gastric cancer DRG;optimize the structure of hospitalization costs to reflect the labor and technical value of medical personnel;strengthen internal management and control the unreasonable use of drugs and consumables.

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