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Bowers ME, Wong MK, Ventimiglia J, Nicknam RM, Moster MR, Pro MJ, Dale E, Kolomeyer NN, Lee D, Zheng CX. Effect of bimatoprost sustained-release intracameral implant on intraocular pressure and medication burden in patients with prior glaucoma surgery. J Fr Ophtalmol 2024; 47:103996. [PMID: 37926661 DOI: 10.1016/j.jfo.2023.07.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/01/2023] [Accepted: 07/03/2023] [Indexed: 11/07/2023]
Abstract
The present retrospective study evaluated intraocular pressure (IOP) and medication burden after bimatoprost sustained-release (bimatoprost SR, Durysta, Allergan) implantation in patients with glaucoma. A secondary objective was to examine an effect of bimatoprost SR in a subset of patients with prior minimally invasive and incisional glaucoma surgery. A retrospective chart review of 122 eyes that received bimatoprost SR by 6 glaucoma specialists at Wills Eye Hospital between March 2020 and September 2021 was performed. One hundred and eighteen eyes from 84 patients had a reduction in IOP (18.5±5.7mmHg vs. 16.0±5.4mmHg, P<0.01) and required fewer glaucoma medications (2.1±1.4 vs. 1.2±1.2, P<0.01) after bimatoprost SR implantation. In 41 eyes from 31 patients who previously underwent glaucoma surgery (including iStent, goniotomy, trabeculectomy, Xen Gel Stent, or tube shunt surgery), medication burden was decreased after bimatoprost SR implantation (1.9±1.3 vs. 1.0±1.0, P<0.001). These data suggest that bimatoprost SR is an efficacious treatment modality for glaucoma, even in post-surgical patients.
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Affiliation(s)
- M E Bowers
- Sidney-Kimmel Medical College, Thomas Jefferson University, 1025, Walnut Street, Suite 100, 19107 Philadelphia, PA, United States.
| | - M K Wong
- Sidney-Kimmel Medical College, Thomas Jefferson University, 1025, Walnut Street, Suite 100, 19107 Philadelphia, PA, United States
| | - J Ventimiglia
- University of Maryland at College Park, 20742 College Park, MD, United States
| | - R M Nicknam
- Sidney-Kimmel Medical College, Thomas Jefferson University, 1025, Walnut Street, Suite 100, 19107 Philadelphia, PA, United States; Glaucoma Service, Wills Eye Hospital, 840, Walnut Street, Suite 1140, 19107 Philadelphia, PA, United States
| | - M R Moster
- Sidney-Kimmel Medical College, Thomas Jefferson University, 1025, Walnut Street, Suite 100, 19107 Philadelphia, PA, United States; Glaucoma Service, Wills Eye Hospital, 840, Walnut Street, Suite 1140, 19107 Philadelphia, PA, United States
| | - M J Pro
- Sidney-Kimmel Medical College, Thomas Jefferson University, 1025, Walnut Street, Suite 100, 19107 Philadelphia, PA, United States; Glaucoma Service, Wills Eye Hospital, 840, Walnut Street, Suite 1140, 19107 Philadelphia, PA, United States
| | - E Dale
- Sidney-Kimmel Medical College, Thomas Jefferson University, 1025, Walnut Street, Suite 100, 19107 Philadelphia, PA, United States; Glaucoma Service, Wills Eye Hospital, 840, Walnut Street, Suite 1140, 19107 Philadelphia, PA, United States
| | - N N Kolomeyer
- Sidney-Kimmel Medical College, Thomas Jefferson University, 1025, Walnut Street, Suite 100, 19107 Philadelphia, PA, United States; Glaucoma Service, Wills Eye Hospital, 840, Walnut Street, Suite 1140, 19107 Philadelphia, PA, United States
| | - D Lee
- Sidney-Kimmel Medical College, Thomas Jefferson University, 1025, Walnut Street, Suite 100, 19107 Philadelphia, PA, United States; Glaucoma Service, Wills Eye Hospital, 840, Walnut Street, Suite 1140, 19107 Philadelphia, PA, United States
| | - C X Zheng
- Sidney-Kimmel Medical College, Thomas Jefferson University, 1025, Walnut Street, Suite 100, 19107 Philadelphia, PA, United States; Glaucoma Service, Wills Eye Hospital, 840, Walnut Street, Suite 1140, 19107 Philadelphia, PA, United States
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Mitra D, Gonzalez C, Swanson D, Bishop AJ, Farooqi A, Garden AS, Morrison WH, Goepfert RP, Esmaeli B, Ross MI, Wong MK, Ivan D, Guadagnolo BA. Adjuvant Radiation Therapy Improves Local Control in the Treatment of Adnexal Carcinoma. Int J Radiat Oncol Biol Phys 2023; 117:e325-e326. [PMID: 37785156 DOI: 10.1016/j.ijrobp.2023.06.2371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Adnexal carcinoma (AC) is a rare subset of cutaneous malignancies derived from skin adnexa. There are limited data on the role of adjuvant radiation therapy (RT). This study investigates outcomes associated with adjuvant RT at our high-volume referral center. MATERIALS/METHODS Using an institutional pathology database we identified 45 patients with locoregionally-confined AC treated between 2001-2020 with curative intent surgery and RT at initial diagnosis or at the time of locoregionally-confined recurrence. Clinicopathologic variables were described and time to relapse events were assessed by the Kaplan-Meier method. RESULTS Median age was 64 yrs (IQR 57-71). Primary tumors were in the head and neck (H&N, n = 36, 80%), trunk/extremities (n = 8, 18%) or unknown (n = 1). The most common histologic subtypes were: sebaceous-14 (31%), microcystic adnexal carcinoma-9 (20%), eccrine-6 (13%), and trichilemmal-5 (11%). Twenty-two (50% of known primaries) had PNI. All patients had primary tumor excision. Six had clinically evident lymphadenopathy (13%), all of whom had lymph node dissection (LND). Five patients without evidence of nodal disease (13%) had sentinel lymph node biopsy (SLNB) with one having SLN+ disease. Thirty patients (67%) received adjuvant locoregional RT at initial diagnosis with the following targets: 21 (30%) primary only, 4 (13%) nodal only, and 5 (17%) both. Of those receiving nodal RT, 7 (78%) had LN+ LND with 2 of those receiving concurrent platinum-based chemoradiation. Sixteen were treated at recurrence with the following targets: 4 (25%) primary only (1 having had prior adjuvant nodal RT), 4 (25%) nodal only, and 8 (50%) both. Across the full cohort, median RT dose was 60 Gy in 30 fractions. Median follow-up from initial surgical resection was 60 months (IQR 30-160). 5-year LC, NC, DFS and DSS were 71%, 86%, 66%, and 91% respectively. The only evaluated factor associated with better outcome was adjuvant primary site RT (5-yr LC 83% vs. 56%, p = 0.01 and 5-yr DFS 83% vs. 46%, p = 0.0003). All 15 patients with local recurrence (LR) had salvage surgery with median subsequent follow-up of 75 months (IQR 2-94). Overall, 5 patients receiving adjuvant primary site RT at any time (initial or salvage) developed subsequent local recurrence (13%). Of the 8 patients who developed nodal recurrence (NR) during follow-up, 1 received adjuvant nodal RT at initial diagnosis. Six of 7 who did not receive prior RT then received adjuvant nodal RT after LND and only 1 developed subsequent NR. CONCLUSION AC is a rare skin cancer with a primarily locoregional recurrence pattern. In our experience, adjuvant RT was associated with improved LC which, depending on the tumor location, may help prevent morbid or cosmetically-impactful salvage surgery. Patients with AC would benefit from radiation oncology referral to discuss adjuvant treatment.
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Affiliation(s)
- D Mitra
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | | | - D Swanson
- University of Texas MD Anderson Cancer Center, Houston, TX
| | - A J Bishop
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - A Farooqi
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - A S Garden
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - W H Morrison
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - R P Goepfert
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - B Esmaeli
- The University of Texas MD Anderson Cancer Center, Houston, TX
| | - M I Ross
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - M K Wong
- MD Anderson Cancer Center, Houston, TX
| | - D Ivan
- University of Texas MD Anderson Cancer Center, Houston, TX
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3
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Spreafico A, Heirali AA, Araujo DV, Tan TJ, Oliva M, Schneeberger PHH, Chen B, Wong MK, Stayner LA, Hansen AR, Saibil SD, Wang BX, Cochrane K, Sherriff K, Allen-Vercoe E, Xu W, Siu LL, Coburn B. First-in-class Microbial Ecosystem Therapeutic 4 (MET4) in combination with immune checkpoint inhibitors in patients with advanced solid tumors (MET4-IO trial). Ann Oncol 2023; 34:520-530. [PMID: 36863483 DOI: 10.1016/j.annonc.2023.02.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 02/16/2023] [Accepted: 02/21/2023] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND The intestinal microbiome has been associated with response to immune checkpoint inhibitors (ICIs) in humans and causally implicated in ICI responsiveness in animal models. Two recent human trials demonstrated that fecal microbiota transplant (FMT) from ICI responders can rescue ICI responses in refractory melanoma, but FMT has specific limitations to scaled use. PATIENTS AND METHODS We conducted an early-phase clinical trial of a cultivated, orally delivered 30-species microbial consortium (Microbial Ecosystem Therapeutic 4, MET4) designed for co-administration with ICIs as an alternative to FMT and assessed safety, tolerability and ecological responses in patients with advanced solid tumors. RESULTS The trial achieved its primary safety and tolerability outcomes. There were no statistically significant differences in the primary ecological outcomes; however, differences in MET4 species relative abundance were evident after randomization that varied by patient and species. Increases in the relative abundance of several MET4 taxa, including Enterococcus and Bifidobacterium, taxa previously associated with ICI responsiveness, were observed and MET4 engraftment was associated with decreases in plasma and stool primary bile acids. CONCLUSIONS This trial is the first report of the use of a microbial consortium as an alternative to FMT in advanced cancer patients receiving ICI and the results justify the further development of microbial consortia as a therapeutic co-intervention for ICI treatment in cancer.
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Affiliation(s)
- A Spreafico
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, Toronto; Tumor Immunotherapy Program, Princess Margaret Cancer Centre, University Health Network, Toronto.
| | - A A Heirali
- Toronto General Hospital Research Institute, University Health Network, Toronto, Canada
| | - D V Araujo
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, Toronto; Department of Medical Oncology, Hospital de Base, Sao Paulo, Brazil
| | - T J Tan
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, Toronto; Division of Medical Oncology, National Cancer Centre Singapore, Singapore, Singapore
| | - M Oliva
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, Toronto; Department of Medical Oncology, Institut Catala d' Oncologia, L'Hospitalet de Llobregat, Barcelona; Universitat de Barcelona, Barcelona, Spain
| | - P H H Schneeberger
- Toronto General Hospital Research Institute, University Health Network, Toronto, Canada; Swiss Tropical and Public Health Institute, Department of Medical Parasitology and Infection Biology, Allschwil; University of Basel, Basel, Switzerland
| | - B Chen
- Biostatistics Department, Princess Margaret Cancer Centre, University Health Network, Toronto
| | - M K Wong
- Department of Immunology, University of Toronto, Toronto
| | - L-A Stayner
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, Toronto
| | - A R Hansen
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, Toronto
| | - S D Saibil
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, Toronto
| | - B X Wang
- Tumor Immunotherapy Program, Princess Margaret Cancer Centre, University Health Network, Toronto
| | | | | | | | - W Xu
- Biostatistics Department, Princess Margaret Cancer Centre, University Health Network, Toronto
| | - L L Siu
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, Toronto; Tumor Immunotherapy Program, Princess Margaret Cancer Centre, University Health Network, Toronto
| | - B Coburn
- Toronto General Hospital Research Institute, University Health Network, Toronto, Canada.
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Yu J, Huang HC, Cheng TCE, Wong MK, Teng CI. Effects of Playing Exergames on Quality of Life among Young Adults: A 12-Week Randomized Controlled Trial. Int J Environ Res Public Health 2023; 20:1359. [PMID: 36674115 PMCID: PMC9858715 DOI: 10.3390/ijerph20021359] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/04/2023] [Accepted: 01/07/2023] [Indexed: 05/13/2023]
Abstract
Objective: The purpose of this paper is to investigate whether playing exergames can enhance quality of life among young adults and it examines the potential moderators. Methods: A 12-week randomized controlled trial was conducted. Quality of life was measured using the short-form 36-item version (SF-36) scale. All the participants were between 20 and 24 years old in Taiwan. Participants in the intervention group (n = 55) were asked to play exergames for 12 weeks, three times a week and 30 minutes at a time, while participants in the control group (n = 62) did not play exergames. The changes in the scores on quality of life between the beginning and the end of the 12-week trial were calculated. Independent t-tests were used to analyze the differences. Results: The intervention group participants experienced an enhanced quality of life in terms of physical functioning, role-physical (role limitations due to physical health), general health, and social functioning. Moreover, the intervention group participants who were not enthusiastic about exercisers experienced an enhanced quality of life in physical functioning, role-physical, and general health. The intervention group participants who attempted to control their weight experienced enhanced general health, vitality, and mental health. Conclusion: Playing exergaming could contribute to users' quality of life in terms of both physical and mental health.
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Affiliation(s)
- Jiajun Yu
- School of Management, Guangzhou Huashang College, Guangzhou 511300, China
- School of Innovation and Entrepreneurship, Guangzhou Huashang College, Guangzhou 511300, China
- Graduate Institute of Management, Chang Gung University, Taoyuan 333, Taiwan
| | - Han-Chung Huang
- Center for General Education, China University of Technology, Taipei 219, Taiwan
| | - T. C. E. Cheng
- Department of Logistics and Maritime Studies, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - May-Kuen Wong
- Taoyuan Branch, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan
| | - Ching-I Teng
- Graduate Institute of Management, Chang Gung University, Taoyuan 333, Taiwan
- Department of Physical Medicine and Rehabilitation, Linkou Chang Gung Memorial Hospital, Taoyuan 333, Taiwan
- Department of Business and Management, Ming Chi University of Technology, New Taipei 243, Taiwan
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Kukafka R, Huang TL, Wong MK, Shyu YIL, Ho LH, Wang C, Cheng TCE, Teng CI. Enhancing Nurse-Robot Engagement: Two-Wave Survey Study. J Med Internet Res 2023; 25:e37731. [PMID: 36622738 PMCID: PMC9893885 DOI: 10.2196/37731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 08/18/2022] [Accepted: 09/16/2022] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Robots are introduced into health care contexts to assist health care professionals. However, we do not know how the benefits and maintenance of robots influence nurse-robot engagement. OBJECTIVE This study aimed to examine how the benefits and maintenance of robots and nurses' personal innovativeness impact nurses' attitudes to robots and nurse-robot engagement. METHODS Our study adopted a 2-wave follow-up design. We surveyed 358 registered nurses in operating rooms in a large-scale medical center in Taiwan. The first-wave data were collected from October to November 2019. The second-wave data were collected from December 2019 to February 2020. In total, 344 nurses participated in the first wave. We used telephone to follow up with them and successfully followed-up with 331 nurses in the second wave. RESULTS Robot benefits are positively related to nurse-robot engagement (β=.13, P<.05), while robot maintenance requirements are negatively related to nurse-robot engagement (β=-.15, P<.05). Our structural model fit the data acceptably (comparative fit index=0.96, incremental fit index=0.96, nonnormed fit index=0.95, root mean square error of approximation=0.075). CONCLUSIONS Our study is the first to examine how the benefits and maintenance requirements of assistive robots influence nurses' engagement with them. We found that the impact of robot benefits on nurse-robot engagement outweighs that of robot maintenance requirements. Hence, robot makers should consider emphasizing design and communication of robot benefits in the health care context.
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Affiliation(s)
| | - Tzu-Ling Huang
- Department of Information Management, National Central University, Taoyuan, Taiwan
| | - May-Kuen Wong
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
| | - Yea-Ing Lotus Shyu
- School of Nursing, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Lun-Hui Ho
- Department of Nursing, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan.,Department of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan
| | - Chi Wang
- School of Nursing, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,Department of Nursing, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
| | - T C E Cheng
- Department of Logistics and Maritime Studies, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Ching-I Teng
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan.,Graduate Institute of Management, Chang Gung University, Taoyuan, Taiwan.,Department of Business and Management, Ming Chi University of Technology, New Taipei City, Taiwan
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6
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Huang TL, Lee IC, Wong MK, Shyu YIL, Ho LH, Lin JY, Liao GY, Teng CI. How do three components of professional commitment influence nurse-reported patient-centred care and care quality? J Clin Nurs 2023; 32:126-136. [PMID: 34997641 DOI: 10.1111/jocn.16198] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 12/07/2021] [Accepted: 12/21/2021] [Indexed: 12/14/2022]
Abstract
AIMS AND OBJECTIVES To test how the three components of professional commitment (i.e. affective, continuance and normative professional commitment) are associated with nurse-reported patient-centred care and care quality. BACKGROUND Patient-centred care and care quality are the two critical care outcomes. However, no study has yet examined how the three components of professional commitment are related to nurse-reported patient-centred care and care quality, showing a research gap. DESIGN This study adopted a two-wave design (first wave in 2017 and second wave in 2019), which is known to reduce the possibility of reverse causality, and which was conducted in a large hospital in Northern Taiwan. METHODS Proportionate random sampling was used. Full-time nurses were surveyed, while nursing students, interns, nurse practitioners and nursing supervisors were excluded. The first wave included 524 nurses, and 438 nurses were retained in the second wave. We used confirmatory factor analysis to verify the psychometric properties of the measures. Structural equation modelling was used to implement hypothesis testing. We used the Professional Commitment Scale of Meyer et al. (Journal of Applied Psychology, 1993, 78, 538), the Patient-Centered Care Scale of Laird-Fick et al. (Patient Education and Counseling, 2011, 84, 90) and the Care Quality Perceptions Scale of Teng et al. (Journal of Nursing Management, 2010, 18, 275). The STROBE statement was chosen as the EQUATOR checklist. RESULTS Affective professional commitment was positively associated with nurse-reported patient-centred care (β = .18, p = .002 and .01), which was positively associated with nurse-reported care quality (β = .85, p < .001). Affective and normative professional commitment were also positively associated with nurse-reported care quality (β = .17, p < .001). CONCLUSIONS Our findings offer insights for nursing managers that nurses' affective and normative professional commitment could help upgrade care outcomes. Hospital managers should consider professional commitment as relevant to their workforce. RELEVANCE TO CLINICAL PRACTICE Nursing managers could publicise reports documenting nurses' significant contributions to public health. This could strengthen affective professional commitment among nurses.
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Affiliation(s)
- Tzu-Ling Huang
- Graduate Institute of Management, Chang Gung University, Taoyuan, Taiwan
| | - I-Chen Lee
- Department of Industrial and Business Management, Chang Gung University, Taoyuan, Taiwan.,Department of Business and Management, Ming Chi University of Technology, New Taipei City, Taiwan
| | - May-Kuen Wong
- Taoyuan Branch, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | | | - Lun-Hui Ho
- Department of Nursing, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
| | - Jia-Yang Lin
- Department of Information Management, Chang Gung University, Taoyuan, Taiwan
| | - Gen-Yih Liao
- Department of Information Management, Chang Gung University, Taoyuan, Taiwan.,Department of Nursing, Chang Gung Memorial Hospital, Taoyuan Branch, Taoyuan, Taiwan
| | - Ching-I Teng
- Graduate Institute of Management, Chang Gung University, Taoyuan, Taiwan.,Department of Business and Management, Ming Chi University of Technology, New Taipei City, Taiwan.,Department of Rehabilitation, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
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7
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Pham TTL, Huang TL, Chung KP, Shyu YIL, Wong MK, Ho LH, Teng CI. Do temperament and character make sense in reducing nurse turnover? The role of professional capabilities improvement. International Journal of Healthcare Management 2022. [DOI: 10.1080/20479700.2022.2079805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | - Tzu-Ling Huang
- Graduate Institute of Management, Chang Gung University, Taoyuan, Taiwan
| | - Kuo-Piao Chung
- Institute of Health Policy and Management, College of Public Health, National Taiwan University, Taipei, Taiwan
| | | | - May-Kuen Wong
- Taoyuan Branch, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Lun-Hui Ho
- Department of Nursing, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Ching-I. Teng
- Graduate Institute of Management, Chang Gung University, Taoyuan, Taiwan
- Department of Rehabilitation, Chang Gung Memorial Hospital, Linkou, Taiwan
- Department of Business and Management, Ming Chi University of Technology, Taipei, Taiwan
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8
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Chang HY, Huang TL, Wong MK, Shyu YIL, Ho LH, Chen LC, Cheng TCE, Teng CI. Relationship between Psychological Ownership of the Nursing Profession and Turnover Intention: A Correlational Survey among Taiwanese Nurses. J Nurs Manag 2022; 30:2927-2936. [PMID: 35560968 DOI: 10.1111/jonm.13670] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 05/01/2022] [Accepted: 05/09/2022] [Indexed: 11/29/2022]
Abstract
AIMS To examine the relationship between psychological ownership of the nursing profession and turnover intention. BACKGROUND There is a severe shortage of nurses worldwide. Research is needed to understand how nurses' intention to leave hospitals and the nursing profession can be alleviated. METHODS This study adopted a cross-sectional design and a survey method. Proportionate random sampling was used to ensure sample representativeness. This study surveyed 430 registered nurses in a medical center in Taiwan between December 2021 and January 2022. We used Turnover Scale and Self-Efficacy Scale, and developed Having a Place Scale. RESULTS Psychological ownership comprises three dimensions: self-efficacy, nurse identity, and "having a place" in the nursing profession. This research is the first to examine how these three dimensions of psychological ownership of the nursing profession are related to the intention to leave a hospital or the nursing profession. Self-efficacy and "having a place" are negatively related to nurses' intention to leave a hospital (r=-.23 and -.31, p<.001). Nurse identity is negatively related to nurses' intention to leave the nursing profession (r=-.38, p<.001). Intention to leave a hospital is positively related to nurses' intention to leave the profession (r=.76, p<.001). CONCLUSION The findings provide novel insights for retaining nurses. Nurse managers could use strategies such as including nurses in making workplace decisions and encouraging them to personalize their workspace. Implications for Nursing Management Nurse managers can enhance nurses' self-efficacy and sense of "having a place" to retain nurses in hospitals, while enhance nurse identity to retain nurses in the profession.
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Affiliation(s)
| | - Tzu-Ling Huang
- Graduate Institute of Management, Chang Gung University, Taiwan
| | - May-Kuen Wong
- Taoyuan Branch, Chang Gung Memorial Hospital, Taiwan
| | - Yea-Ing Lotus Shyu
- International Nurse Researcher Hall of Fame, Honor Society of Nursing, Sigma Theta Tau International, & Professor, Department of Nursing, Chang Gung University, Taiwan
| | - Lun-Hui Ho
- Department of Nursing, Chang Gung Memorial Hospital, Linkou, Taiwan, & Adjunct Lecturer, Department of Nursing, Chang Gung University of Science and Technology, Taiwan
| | - Li-Chen Chen
- Department of Nursing, Chang Gung Memorial Hospital, Linkou, Taiwan, & Adjunct Lecturer, Department of Nursing, Chang Gung University of Science and Technology, Taiwan
| | - T C E Cheng
- Department of Logistics and Maritime Studies, The Hong Kong Polytechnic University
| | - Ching-I Teng
- Department of Rehabilitation, Chang Gung Memorial Hospital, Linkou, Taiwan, & Adjunct Professor, Department of Business and Management, Ming Chi University of Technology, Taiwan
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9
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Wong MK, Laiton A, Milman T, Shields CL. OCT angiography of papillary squamous cell carcinoma in situ. J Fr Ophtalmol 2021; 45:265-266. [PMID: 34972577 DOI: 10.1016/j.jfo.2021.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 08/09/2021] [Indexed: 11/27/2022]
Affiliation(s)
- M K Wong
- Ocular Oncology Service, Wills Eye Hospital, Thomas Jefferson University, 840, Walnut Street, 14th Floor, Philadelphia, PA, 19107, United States
| | - A Laiton
- Ocular Oncology Service, Wills Eye Hospital, Thomas Jefferson University, 840, Walnut Street, 14th Floor, Philadelphia, PA, 19107, United States
| | - T Milman
- Pathology Service, Wills Eye Hospital, Thomas Jefferson University, 840, Walnut Street, 14th Floor, Philadelphia, PA, 19107, United States
| | - C L Shields
- Ocular Oncology Service, Wills Eye Hospital, Thomas Jefferson University, 840, Walnut Street, 14th Floor, Philadelphia, PA, 19107, United States.
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10
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Loh J, Huang D, Lei J, Yeo W, Wong MK. Early Clinical Outcomes of Short versus Long Proximal Femoral Nail Anti-rotation (PFNA) in the Treatment of Intertrochanteric Fractures. Malays Orthop J 2021; 15:115-121. [PMID: 34429831 PMCID: PMC8381670 DOI: 10.5704/moj.2107.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Accepted: 05/24/2021] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Both short and long PFNA are employed to treat intertrochanteric fractures. Controversy exists in the choice between the two nails as each implant has specific characteristics and theoretical advantages. This retrospective study seeks to examine the operative complication rates and clinical outcomes of short versus long (Proximal Femoral Nail Antirotation) PFNA in the treatment of intertrochanteric fractures. MATERIAL AND METHODS Between July 2011 and February 2015, 155 patients underwent PFNA insertion. The decision on whether to use a short or long PFNA nail, locked or unlocked, was determined by the attending operating surgeon. Visual Analogue Pain Score (VAS) Harris Hip Scores (HHS), Short-form 36 Health Questionnaire (SF-36) and Parker Mobility Scores (PMS) were collected at six weeks, six months and one year post-operatively. RESULTS A total of 137 (88.4%) patients were successfully followed-up. Forty-two (30.7%) patients received a short PFNA. The patients were similar in baseline characteristics of age, gender, and comorbidities. Operative time was significantly longer in the short PFNA group (62 ±17 mins) versus the long PFNA group (56±17). While the patients in both groups achieved improvement in all outcome measures, there was no significant difference between the groups in terms of HHS (61.0 ±16.0 vs 63.0 ±16.8, p=0.443), PMS (2.3±1.5 vs 2.7±2.1, p=0.545) and VAS (1.7±2.9 vs 1.8 ±2.2 p=0.454). There were 3 (7.1%) and 7 (7.4%) complications in the short versus long PFNA group, respectively. CONCLUSION Both short and long PFNA had similar clinical outcomes and complication rates in the treatment of intertrochanteric fractures in an Asian population.
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Affiliation(s)
- Jlm Loh
- Department of Orthopaedic Surgery, Singapore General Hospital, Singapore
| | - Dme Huang
- Department of Orthopaedic Surgery, Singapore General Hospital, Singapore
| | - J Lei
- Department of Orthopaedic Surgery, Singapore General Hospital, Singapore
| | - W Yeo
- Orthopaedic Diagnostic Centre, Singapore General Hospital, Singapore
| | - M K Wong
- Department of Orthopaedic Surgery, Singapore General Hospital, Singapore
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Huang TL, Wong MK, Shyu YIL, Ho LH, Yeh JR, Teng CI. Reducing turnover intention to improve care outcome: A two-wave study. J Adv Nurs 2021; 77:3083-3092. [PMID: 33792970 DOI: 10.1111/jan.14831] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 02/04/2021] [Accepted: 03/05/2021] [Indexed: 12/13/2022]
Abstract
AIMS To ascertain how professional turnover intention impacts nurse-assessed care outcomes, including patient-centered care and care quality. BACKGROUND Patient-centered care and care quality are critical to care outcomes. However, we do not know whether care outcomes would be improved by reducing nurses' professional turnover intention. DESIGN We implemented a two-wave correlational follow-up design. METHODS This study was conducted in a large-scale general in Taiwan during January and February 2018, and January and February 2019. We successfully obtained responses from 448 nurses in 2018 and subsequently followed up (in 2019). Most were women (97.5%), reflecting the profile of the local nurse population. Structural equation modeling was used to test hypotheses. RESULTS Our findings indicate that nurses' professional turnover intention is negatively related to nurse-assessed, patient-centered care. Nurses' professional turnover intention is also negatively related to all the five perceptions of nurse-assessed care quality: that is, assurance, reliability, responsiveness, empathy, and tangibles. Moreover, years of working as a nurse is also positively related to nurse-assessed, patient-centered care and all the five perceptions of nurse-assessed care quality. CONCLUSION This study examined nurses' professional turnover intention as an antecedent of nurse-assessed, patient-centered care and care quality. Our study shows that professional turnover intention may predict care outcomes. Overall, our study suggests that professional turnover intention not only impacts workforce stability but also impacts health-care outcomes. IMPACT Our findings suggest that reduction of nurses' turnover intentions could benefit care outcomes. Hospital managers should know that nurses' turnover negatively impacts care outcomes.
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Affiliation(s)
- Tzu-Ling Huang
- Graduate Institute of Business and Management, Chang Gung University, Taoyuan, Taiwan
| | - May-Kuen Wong
- Taoyuan Branch, Chang Gung Memorial Hospital, Taipei, Taiwan
| | | | - Lun-Hui Ho
- Department of Nursing, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Jin-Rong Yeh
- Department of Industrial and Business Management, Chang Gung University, Taoyuan, Taiwan
| | - Ching-I Teng
- Graduate Institute of Business and Management, Chang Gung University, Taoyuan, Taiwan.,Department of Rehabilitation, Chang Gung Memorial Hospital, Linkou, Taiwan.,Department of Business and Management, Ming Chi University of Technology, New Taipei City, Taiwan
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Chang HY, Huang TL, Lee IC, Shyu YIL, Wong MK, Lun-Hui H, Tseng HW, Teng CI. Impact of professional commitment on professional capability improvement and care quality dimensions: A multi-wave study. J Clin Nurs 2021; 30:1285-1294. [PMID: 33497546 DOI: 10.1111/jocn.15672] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 01/08/2021] [Accepted: 01/19/2021] [Indexed: 01/08/2023]
Abstract
AIMS AND OBJECTIVES To examine how the three dimensions of professional commitment impact professional capabilities improvement and five key dimensions of care quality. BACKGROUND While professional commitment is known to retain nurses, we do not know how its three dimensions-affective, continuance and normative commitment-formulate five care quality dimensions: assurance, reliability, responsiveness, empathy and tangibles. DESIGN We used a three-wave, follow-up design to follow a sample of nurse participants. METHODS We collected responses from 430 nurses who worked for a medical centre in Northern Taiwan during 2017-2019. Most (78.9%) of the respondents had an age between 20-40 years. We used Professional Commitment Scale of Meyer et al. (Journal of Applied Psychology, 1993, 78, 538) and Care Quality Scale of Teng et al. (Journal of Nursing Scholarship, 2010, 41, 301). STROBE statement was chosen as EQUATOR checklist. RESULTS We found that affective professional commitment is positively related to intention to improve professional capabilities, action to improve professional capabilities and thus to four dimensions of care quality: assurance, reliability, responsiveness and empathy. CONCLUSIONS Our model explains how three key dimensions of professional commitment contribute to care quality. Our findings support the link between action to improve professional capabilities and dimensions of care quality. RELEVANCE TO CLINICAL PRACTICE Nursing managers can inform nurses of positive patient feedback, thus enhancing nurses' affective professional commitment, which would likely motivate their devotion to upgrading their professional capabilities, thus further contributing to the quality of the care they provide.
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Affiliation(s)
- Hao-Yuan Chang
- School of Nursing, National Taiwan University, Taipei, Taiwan.,Department of Nursing, National Taiwan University Hospital, Taipei, Taiwan
| | - Tzu-Ling Huang
- Graduate Institute of Business and Management, Chang Gung University, Taoyuan, Taiwan
| | - I-Chen Lee
- Department of Industrial and Business Management, Chang Gung University, Taoyuan, Taiwan.,Craniofacial Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | | | - May-Kuen Wong
- Taoyuan Branch, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ho Lun-Hui
- Department of Nursing, Chang Gung Memorial Hospital, Linkou, Taiwan.,Department of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan
| | - Hsien-Wei Tseng
- Graduate Institute of Business and Management, Chang Gung University, Taoyuan, Taiwan
| | - Ching-I Teng
- Graduate Institute of Business and Management, Chang Gung University, Taoyuan, Taiwan.,Department of Rehabilitation, Chang Gung Memorial Hospital, Linkou, Taiwan.,Department of Business and Management, Ming Chi University of Technology, Taipei, Taiwan
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13
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Tse TST, Hui SHK, To CY, Wong MK, Tsang WL. Revision total knee arthroplasty longer term outcome and comparison between infection and aseptic loosening at mean follow-up of 10 years. Journal of Orthopaedics, Trauma and Rehabilitation 2020. [DOI: 10.1177/2210491720971839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background: Although the majority of total knee arthroplasty cases have good outcome and survival, some arthroplasty eventually required revision. While early outcomes of revision knee arthroplasty are well reported, there is relatively fewer literatures reporting on the longer term outcome of revision knee arthroplasty. This study aims to review the outcome of revision knee arthroplasty for a longer term, and also make comparison between the two common indications for revision arthroplasty of infection and aseptic loosening. Methods: This study reviews all total knee arthroplasty revision performed at a single center over a 11 year period. Of the 48 cases found, 35 cases not lost to follow-up had a mean follow-up duration of 10.6 years (SD 2.9) for aseptic loosening, and 10.1 years (SD 2.6) for infection. Data of initial arthroplasty, revision arthroplasty, demographics, follow-up outcome were obtained, analyzed and compared. Results: Revision arthroplasty due to infection had more cases that required use of varus/valgus constraints (p ∼ 0.008) and extensile surgical exposure of quadriceps snip (p ∼ 0.005) compared to aseptic loosening. The survival at 10 years for this study is 91% overall (aseptic loosening 93.3%, infection 89.3%). Infection cases had significant initial improvement for range of motion (p ∼ 0.001) and use of walking aid (p ∼ 0.04) at post-operation 1 year, but no significant differences between the infection and aseptic loosening cases at 5 years and 10 years follow-up. Comparison between the two groups on other factors including initial arthroplasty, operative details, demographics, post-operative details and X-rays showed no statistically significant difference.
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Affiliation(s)
- TST Tse
- Department of Orthopaedics and Traumatology, Pamela Youde Nethersole Eastern Hospital, Chai Wan, Hong Kong
| | - SHK Hui
- Department of Orthopaedics and Traumatology, Pamela Youde Nethersole Eastern Hospital, Chai Wan, Hong Kong
| | - CY To
- Department of Orthopaedics and Traumatology, Pamela Youde Nethersole Eastern Hospital, Chai Wan, Hong Kong
| | - MK Wong
- Department of Orthopaedics and Traumatology, Pamela Youde Nethersole Eastern Hospital, Chai Wan, Hong Kong
| | - WL Tsang
- Department of Orthopaedics and Traumatology, Pamela Youde Nethersole Eastern Hospital, Chai Wan, Hong Kong
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Chang HY, Shyu YIL, Wong MK, Friesner D, Chu TL, Teng CI. Influence of headaches on nurse intentions to leave the profession and the hospital: a cross-sectional survey. Contemp Nurse 2020; 56:160-170. [PMID: 32529905 DOI: 10.1080/10376178.2020.1782239] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Background: Few studies had examined whether headaches impact emotional exhaustion among nurses, and nurses' intentions to leave the hospital (current employer) or nursing profession. Objectives/Aims/Hypotheses: To examine the impact of headaches on nurses' self-efficacy and emotional exhaustion, and nurses' intentions to leave the hospital or the profession. Design: A cross-sectional survey design with proportional random sampling was used to collect data. Methods: This study was conducted in one medical center in Taiwan during February and March 2017. Inclusion criteria were full-time registered nurses. Totally, 570 full-time registered nurses were surveyed. Results: Nurse headaches were positively related to emotional exhaustion, which was positively related to the intention to leave the hospital, further positively related to the intention to leave the profession. Self-efficacy was negatively related to the intention to leave the profession. Impact statement and Conclusions: Our findings advise nurse managers to take actions to reduce nurses' headaches.
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Affiliation(s)
- Hao-Yuan Chang
- School of Nursing, National Taiwan University, Taipei, Taiwan.,Department of Nursing, National Taiwan University Hospital, Taipei, Taiwan
| | | | - May-Kuen Wong
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Healthy Aging Research Center, Chang Gung University, Taoyuan, Taiwan
| | - Daniel Friesner
- College of Health Professions, Nursing and Allied Sciences, North Dakota State University, Fargo, ND, USA
| | - Tsung-Lan Chu
- Quality Management Department, Administration Center, Chang Gung Memorial Hospital, Taiwan
| | - Ching-I Teng
- Graduate Institute of Business and Management, Chang Gung University, Taoyuan, Taiwan.,Department of Rehabilitation, Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Business and Management, Ming Chi University of Technology, New Taipei City, Taiwan
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Huang HC, Nguyen HV, Cheng T, Wong MK, Chiu HY, Yang YH, Teng CI. A Randomized Controlled Trial on the Role of Enthusiasm About Exergames: Players' Perceptions of Exercise. Games Health J 2019; 8:220-226. [DOI: 10.1089/g4h.2018.0057] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Han-Chung Huang
- Intelligent Electronic Commerce Research Center, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Huynh Van Nguyen
- Graduate Institute of Business and Management, Chang Gung University, Taoyuan, Taiwan
| | - T.C.E. Cheng
- Fung Yiu King–Wing Hang Bank Professor in Business Administration, Department of Logistics and Maritime Studies, Faculty of Business, The Hong Kong Polytechnic University, Hong Kong, Hong Kong
| | - May-Kuen Wong
- Taoyuan Branch, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Hsin-Ying Chiu
- Department of Public Finance, National Taipei University, Taipei, Taiwan
| | - Ya-Hui Yang
- Institute of Health Policy and Management, National Taiwan University, Taipei, Taiwan
| | - Ching-I Teng
- Graduate Institute of Business and Management, Chang Gung University, Taoyuan, Taiwan
- Department of Rehabilitation, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
- Department of Business and Management, Ming Chi University of Technology, Taishan, Taiwan
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Nguyen HV, Huang HC, Wong MK, Yang YH, Huang TL, Teng CI. Moderator Roles of Optimism and Weight Control on the Impact of Playing Exergames on Happiness: The Perspective of Social Cognitive Theory Using a Randomized Controlled Trial. Games Health J 2018; 7:246-252. [DOI: 10.1089/g4h.2017.0165] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Affiliation(s)
- Huynh Van Nguyen
- Graduate Institute of Business and Management, Chang Gung University, Taoyuan, Taiwan
| | - Han-Chung Huang
- Graduate Institute of Business and Management, Chang Gung University, Taoyuan, Taiwan
| | - May-Kuen Wong
- Department of Rehabilitation, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ya-Hui Yang
- Institute of Health Policy and Management, National Taiwan University, Taipei, Taiwan
| | - Tzu-Ling Huang
- Department of Health Care Management, Chang Gung University, Taoyuan, Taiwan
| | - Ching-I Teng
- Graduate Institute of Business and Management, Chang Gung University, Taoyuan, Taiwan
- Department of Rehabilitation, Chang Gung Memorial Hospital, Linkou, Taiwan
- Department of Business and Management, Ming Chi University of Technology, New Taipei City, Taiwan
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Huang HC, Pham TTL, Wong MK, Chiu HY, Yang YH, Teng CI. How to create flow experience in exergames? Perspective of flow theory. Telematics and Informatics 2018. [DOI: 10.1016/j.tele.2018.03.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Abstract
SummaryThis study investigates how exercise training affects Oxidized LDL (Ox-LDL) mediated-platelet activation. Five-week-old male Wistar rats were assigned to either control or trained groups. Trained rats were treadmill-trained for 10 weeks after familiarization. The following measurements were taken in both control and trained groups: Ox-LDLmediated platelet aggregability and [Ca2+]i, plasma and plateletderived nitric oxide (NO) metabolite (nitrite plus nitrate) levels, and antiaggregating activity of NO derived from endothelial cells. Based on those measurements, major findings in this study can be summarized as follows: 1) the trained group had a higher plasma -NO metabolite level than the control group; 2) the trained group had a lower platelet aggregability and [Ca2+]i elevation and a higher platelet derived-NO metabolite level than the control group; 3) the trained group had lower Ox-LDL-potentiated platelet aggregability and [Ca2+]i elevation and Ox-LDL-attenuated NO metabolite in platelet than the control group; 4) treating the platelet with L-arginine inhibited Ox-LDL-potentiated platelet activation in both control and trained groups; 5) Ox-LDL enhances platelet aggregation directly although impairing NO bioactivity but not guanylate cyclase activity in both control and trained groups. Results in this study demonstrate that exercise training decreases Ox-LDL-potentiated platelet activation most likely by enhancing platelet-derived NO release.
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Yang C, Wong MK, Chow SE, Chen JK, Wang JS. Effect of Strenuous Arm Exercise on Oxidized-LDL-Potentiated Platelet Activation in Individuals with Spinal Cord Injury. Thromb Haemost 2017. [DOI: 10.1055/s-0037-1613978] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
SummaryThis study investigates how strenuous arm exercise affects oxidizedlow density lipoprotein (Ox-LDL) mediated-platelet activation in patients with SCI. Ten patients with SCI and ten age- and sex-matched healthy subjects exercised strenuously using an arm crank ergometer. The following measurements were taken both when the subjects were at rest, and immediately after exercise: plasma lipid profile, Ox-LDL mediated platelet aggregability and [Ca2+]i, urinary 11-dehydro-thromboxane B2 (11-dehydro-TXB2) and 8-iso-prostaglandin F2α. (8-iso-PG F2α.) contents, and plasma NO metabolite (nitrite plus nitrate) level. Based on these measurements, the major findings of this study can be summarized as follows: 1) the SCI group had higher urinary 8-iso- PGF2α. and 11-dehydro-TXB2 contents, but a lower plasma nitrite plus nitrate level than the control group; 2) at rest, the SCI group had a higher platelet aggregability and [Ca2+]i, and Ox-LDL-potentiated platelet activation than the control group; 3) Ox-LDL-potentiated platelet aggregation was enhanced by strenuous arm exercise in both groups, but the effect of exercise was more pronounced in the SCI group than in the control group; 4) treating the platelet with L-arginine inhibited Ox-LDL-potentiated platelet activation in both groups. The study concludes that individuals with SCI had more extensive resting and exercise-enhanced Ox-LDL-potentiated platelet activation and greater amounts of preformed lipid peroxides than those without SCI. Therefore, supplementation therapy with antioxidants may be needed for patients with SCI, especially in a strenuous arm exercise period.
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Huang HC, Wong MK, Lu J, Huang WF, Teng CI. Can using exergames improve physical fitness? A 12-week randomized controlled trial. Computers in Human Behavior 2017. [DOI: 10.1016/j.chb.2016.12.086] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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21
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Chang HY, Shyu YIL, Wong MK, Chu TL, Lo YY, Teng CI. How does burnout impact the three components of nursing professional commitment? Scand J Caring Sci 2017; 31:1003-1011. [DOI: 10.1111/scs.12425] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 12/01/2016] [Indexed: 11/28/2022]
Affiliation(s)
- Hao-Yuan Chang
- School of Nursing; National Taiwan University; Taipei Taiwan
- Department of Nursing; National Taiwan University Hospital; Taipei Taiwan
| | | | - May-Kuen Wong
- Taoyuan Branch; Chang Gung Memorial Hospital; Taoyuan Taiwan
| | - Tsung-Lan Chu
- Department of Nursing; Chang Gung Memorial Hospital; Taoyuan Taiwan
| | - Yuan-Yu Lo
- Department of Planning and Management; MacKay Memorial Hospital; Taipei Taiwan
| | - Ching-I Teng
- Department of Industrial and Business Management; Chang Gung University; Taoyuan Taiwan
- Department of Rehabilitation; Chang Gung Memorial Hospital; Taoyuan Taiwan
- Department of Business and Management; Ming Chi University of Technology; Taoyuan Taiwan
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Huang HC, Wong MK, Yang YH, Chiu HY, Teng CI. Impact of Playing Exergames on Mood States: A Randomized Controlled Trial. Cyberpsychology, Behavior, and Social Networking 2017; 20:246-250. [DOI: 10.1089/cyber.2016.0322] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Han-Chung Huang
- Graduate Institute of Business and Management, Chang Gung University, Taoyuan, Taiwan
| | - May-Kuen Wong
- Taoyuan Branch, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ya-Hui Yang
- Institute of Health Policy and Management, National Taiwan University, Taipei, Taiwan
| | - Hsin-Ying Chiu
- Department of Industrial and Business Management, Chang Gung University, Taoyuan, Taiwan
| | - Ching-I Teng
- Department of Industrial and Business Management, Chang Gung University, Taoyuan, Taiwan
- Department of Rehabilitation, Chang Gung Memorial Hospital, Taipei, Taiwan
- Department of Business and Management, Ming Chi University, Taipei, Taiwan
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Nguyen HV, Huang HC, Wong MK, Lu J, Huang WF, Teng CI. Double-edged sword: The effect of exergaming on other forms of exercise; a randomized controlled trial using the self-categorization theory. Computers in Human Behavior 2016. [DOI: 10.1016/j.chb.2016.04.030] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Huang SC, Wong MK, Lin PJ, Tsai FC, Wen MS, Kuo CT, Hsu CC, Wang JS. Passive Leg Raising Correlates with Future Exercise Capacity after Coronary Revascularization. PLoS One 2015; 10:e0137846. [PMID: 26360736 PMCID: PMC4567136 DOI: 10.1371/journal.pone.0137846] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Accepted: 08/24/2015] [Indexed: 01/11/2023] Open
Abstract
Hemodynamic properties affected by the passive leg raise test (PLRT) reflect cardiac pumping efficiency. In the present study, we aimed to further explore whether PLRT predicts exercise intolerance/capacity following coronary revascularization. Following coronary bypass/percutaneous coronary intervention, 120 inpatients underwent a PLRT and a cardiopulmonary exercise test (CPET) 2–12 days during post-surgery hospitalization and 3–5 weeks after hospital discharge. The PLRT included head-up, leg raise, and supine rest postures. The end point of the first CPET during admission was the supra-ventilatory anaerobic threshold, whereas that during the second CPET in the outpatient stage was maximal performance. Bio-reactance-based non-invasive cardiac output monitoring was employed during PLRT to measure real-time stroke volume and cardiac output. A correlation matrix showed that stroke volume during leg raise (SVLR) during the first PLRT was positively correlated (R = 0.653) with the anaerobic threshold during the first CPET. When exercise intolerance was defined as an anaerobic threshold < 3 metabolic equivalents, SVLR / body weight had an area under curve value of 0.822, with sensitivity of 0.954, specificity of 0.593, and cut-off value of 1504·10-3mL/kg (positive predictive value 0.72; negative predictive value 0.92). Additionally, cardiac output during leg raise (COLR) during the first PLRT was related to peak oxygen consumption during the second CPET (R = 0.678). When poor aerobic fitness was defined as peak oxygen consumption < 5 metabolic equivalents, COLR / body weight had an area under curve value of 0.814, with sensitivity of 0.781, specificity of 0.773, and a cut-off value of 68.3 mL/min/kg (positive predictive value 0.83; negative predictive value 0.71). Therefore, we conclude that PLRT during hospitalization has a good screening and predictive power for exercise intolerance/capacity in inpatients and early outpatients following coronary revascularization, which has clinical significance.
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Affiliation(s)
- Shu-Chun Huang
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Linkuo, Taoyuan, Taiwan
| | - May-Kuen Wong
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Linkuo, Taoyuan, Taiwan
| | - Pyng-Jing Lin
- Division of Thoracic and Cardiovascular Surgery, Gung Memorial Hospital, Linkuo, Taoyuan, Taiwan
| | - Feng-Chun Tsai
- Division of Thoracic and Cardiovascular Surgery, Gung Memorial Hospital, Linkuo, Taoyuan, Taiwan
| | - Ming-Shien Wen
- Second Section of Cardiology, Department of Medicine, Chang Gung Memorial Hospital, Linkuo, Taoyuan, Taiwan
| | - Chi-Tai Kuo
- First Cardiovascular Division, Department of Cardiology, Chang Gung Memorial Hospital, Linkuo, Taoyuan, Taiwan
| | - Chih-Chin Hsu
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Keelung, Taiwan
| | - Jong-Shyan Wang
- Healthy Aging Research Center, Graduate Institute of Rehabilitation Science, Medical College, Chang Gung University, Taoyuan, Taiwan
- * E-mail:
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Chang HY, Shyu YIL, Wong MK, Friesner D, Chu TL, Teng CI. Which Aspects of Professional Commitment Can Effectively Retain Nurses in the Nursing Profession? J Nurs Scholarsh 2015. [DOI: 10.1111/jnu.12152] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hao-Yuan Chang
- Lambda Beta Chapter-At-Large , Assistant Professor, School of Nursing; College of Medicine, National Taiwan University; Taiwan
| | | | - May-Kuen Wong
- Chairman, Taoyuan Branch, Chang Gung Memorial Hospital; Taiwan
| | - Daniel Friesner
- Professor and Associate Dean, College of Pharmacy, Nursing and Allied Sciences; North Dakota State University; Fargo ND USA
| | - Tsung-Lan Chu
- Director, Department of Nursing; Chang Gung Memorial Hospital; Taiwan
| | - Ching-I Teng
- Professor and the Director of Graduate Institute of Business and Management; Chang Gung University; Taiwan
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Tan E, Lie D, Wong MK. Early outcomes of proximal humerus fracture fixation with locking plate and intramedullary fibular strut graft. Orthopedics 2014; 37:e822-7. [PMID: 25350626 DOI: 10.3928/01477447-20140825-60] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2014] [Accepted: 01/30/2014] [Indexed: 02/03/2023]
Abstract
Proximal humerus fractures are commonly encountered in elderly patients. Surgical treatment demonstrates high complication rates, including varus construct collapse and screw cutout. In this study, the authors evaluate the clinical outcome of locking plate fixation with intramedullary fibular strut graft augmentation as a primary surgical treatment in the prevention of early collapse and screw cutout. A total of 9 patients were evaluated. Surgery was performed for displaced proximal humerus fractures between April and December 2011. Patients were either class 2, 3, or 4, according to Neer classification. Mean patient age was 75.4 years. Preoperative and immediate, 6-week, and 3-month postoperative radiographs were evaluated. Head-shaft angles were measured to assess for varus collapse and displacement. Range of motion, complication rates, and functional recovery were also evaluated. Patients underwent open reduction and internal fixation with placement of an intramedullary fibular strut graft. Fixation was achieved with a Philos plate (Synthes, Oberdorf, Switzerland). Reduction and fixation were evaluated with radiographs. Passive exercises and range of motion were allowed immediately postoperatively, and all patients achieved active abduction and forward flexion 6 weeks postoperatively. Shoulder radiographs taken 12 weeks postoperatively revealed no loss of reduction or screw cutout. The introduction of the locking plate has improved outcomes. The addition of an intramedullary strut graft has shown improved preliminary results. Maintained reduction was observed in all 9 patients in the early postoperative period, and good functional motion was achieved. No incidence of screw cutout was recorded.
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Asad M, Wong MK, Tan TZ, Choolani M, Low J, Mori S, Virshup D, Thiery JP, Huang RYJ. FZD7 drives in vitro aggressiveness in Stem-A subtype of ovarian cancer via regulation of non-canonical Wnt/PCP pathway. Cell Death Dis 2014; 5:e1346. [PMID: 25032869 PMCID: PMC4123093 DOI: 10.1038/cddis.2014.302] [Citation(s) in RCA: 86] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Revised: 05/27/2014] [Accepted: 06/09/2014] [Indexed: 01/02/2023]
Abstract
Ovarian cancer (OC) can be classified into five biologically distinct molecular subgroups: epithelial-A (Epi-A), Epi-B, mesenchymal (Mes), Stem-A and Stem-B. Among them, Stem-A expresses genes relating to stemness and is correlated with poor clinical prognosis. In this study, we show that frizzled family receptor 7 (FZD7), a receptor for Wnt signalling, is overexpressed in the Stem-A subgroup. To elucidate the functional roles of FZD7, we used an RNA interference gene knockdown approach in three Stem-A cell lines: CH1, PA1 and OV-17R. Si-FZD7 OC cells showed reduced cell proliferation with an increase in the G0/G1 sub-population, with no effect on apoptosis. The cells also displayed a distinctive morphologic change by colony compaction to become more epithelial-like and polarised with smaller internuclear distances and increased z-axis height. Immunofluorescence (IF) staining patterns of pan-cadherin and β-catenin suggested an increase in cadherin-based cell–cell adhesion in si-FZD7 cells. We also observed a significant rearrangement in the actin cytoskeleton and an increase in tensile contractility in si-FZD7 OC cells, as evident by the loss of stress fibres and the redistribution of phospho-myosin light chain (pMLC) from the sites of cell–cell contacts to the periphery of cell colonies. Furthermore, there was reciprocal regulation of RhoA (Ras homolog family member A) and Rac1 (Ras-related C3 botulinum toxin substrate 1 (Rho family, small GTP-binding protein Rac1)) activities upon FZD7 knockdown, with a significant reduction in RhoA activity and a concomitant upregulation in Rac1 activity. These changes in pMLC and RhoA, as well as the increased TopFlash reporter activities in si-FZD7 cells, suggested involvement of the non-canonical Wnt/planar cell polarity (PCP) pathway. Selected PCP pathway genes (cadherin EGF LAG seven-pass G-type receptor 3 (CELSR3), prickle homolog 4 (Drosophila) (PRICKLE4), dishevelled-associated activator of morphogenesis 1 (DAAM1), profilin 2 (PFN2), protocadherin 9 (PCDH9), protocadherin α1 (PCDHA1), protocadherin β17 pseudogene (PCDHB17), protocadherin β3 (PCDHB3), sprouty homolog 1 (SPRY1) and protein tyrosine kinase 7 (PTK7)) were found to be more highly expressed in Stem-A than non Stem-A subgroup of OC. Taken together, our results suggest that FZD7 might drive aggressiveness in Stem-A OC by regulating cell proliferation, cell cycle progression, maintenance of the Mes phenotype and cell migration via casein kinase 1ɛ-mediated non-canonical Wnt/PCP pathway.
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Affiliation(s)
- M Asad
- Cancer Science Institute of Singapore, Centre for Translational Medicine NUS Yong Loo Lin School of Medicine, Singapore, Singapore
| | - M K Wong
- Cancer Science Institute of Singapore, Centre for Translational Medicine NUS Yong Loo Lin School of Medicine, Singapore, Singapore
| | - T Z Tan
- Cancer Science Institute of Singapore, Centre for Translational Medicine NUS Yong Loo Lin School of Medicine, Singapore, Singapore
| | - M Choolani
- Department of Obstetrics and Gynaecology, National University Hospital of Singapore, Singapore, Singapore
| | - J Low
- 1] Department of Obstetrics and Gynaecology, National University Hospital of Singapore, Singapore, Singapore [2] National University Cancer Institute of Singapore, Singapore, Singapore
| | - S Mori
- Division of Cancer Genomics, Cancer Institute of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-Ku, Tokyo, Japan
| | - D Virshup
- Duke NUS Graduate Medical School, Singapore, Singapore
| | - J P Thiery
- 1] Cancer Science Institute of Singapore, Centre for Translational Medicine NUS Yong Loo Lin School of Medicine, Singapore, Singapore [2] National University Cancer Institute of Singapore, Singapore, Singapore [3] Department of Biochemistry, National University of Singapore, Singapore, Singapore [4] Institute of Molecular and Cell Biology, A*STAR, Singapore, Singapore
| | - R Y-J Huang
- 1] Cancer Science Institute of Singapore, Centre for Translational Medicine NUS Yong Loo Lin School of Medicine, Singapore, Singapore [2] Department of Obstetrics and Gynaecology, National University Hospital of Singapore, Singapore, Singapore [3] National University Cancer Institute of Singapore, Singapore, Singapore
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Au A, Wong MK, Leung LM, Leung P, Wong A. Telephone-assisted pleasant-event scheduling to enhance well-being of caregivers of people with dementia: a randomised controlled trial. Hong Kong Med J 2014; 20:30-33. [PMID: 25001033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023] Open
Affiliation(s)
- A Au
- Applied Social Sciences, Hong Kong Polytechnic University
| | - M K Wong
- Department of Psychiatry, United Christian Hospital
| | - L M Leung
- Department of Psychiatry, United Christian Hospital
| | - P Leung
- Department of Psychology, The Chinese University of Hong Kong
| | - A Wong
- Applied Social Sciences, Hong Kong Polytechnic University
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Lan C, Chou SW, Chen SY, Lai JS, Wong MK. The Aerobic Capacity and Ventilatory Efficiency During Exercise in Qigong and Tai Chi Chuan Practitioners. Am J Chin Med 2012; 32:141-50. [PMID: 15154293 DOI: 10.1142/s0192415x04001734] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The objective of this study was to compare cardiorespiratory responses to exercise among older Qigong participants, Tai Chi Chuan (TCC) practitioners and normal sedentary controls during cycle ergometry. Thirty-six community-dwelling men with a mean age of 59.1±6.6 years participated in this study. Each group (Qigong, TCC and control) included 12 subjects with matched age and body size. The Qigong group practiced Qigong regularly for 2.3±1.5 years; the TCC group practiced Yang TCC for 4.7±2.3 years. Heart rate (HR) responses were measured during the practice of Qigong and TCC. Additionally, breath-by-breath measurement of cardiorespiratory function was performed during the incremental exercise of leg cycling. The mean HR during Qigong and TCC practice was 91±5 bpm and 129±7 bpm, respectively. At the peak exercise and the ventilatory threshold (VeT), TCC group displayed highest oxygen uptake [Formula: see text], O2pulse and work rate among the three groups. The Qigong group also showed higher oxygen uptake and O2pulse than the control group. At the same relative exercise intensity, the Qigong group had the highest tidal volume among the three groups. In conclusion, Qigong and TCC show a beneficial effect to aerobic capacity in older individuals, but TCC displays a better training effect than Qigong due to its higher exercise intensity. However, Qigong can enhance breathing efficiency during exercise due to the training effect of diaphragmatic breathing.
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Affiliation(s)
- Ching Lan
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, and National Taiwan University College of Medicine, Taipei, Taiwan.
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30
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Teng CI, Dai YT, Lotus Shyu YI, Wong MK, Chu TL, Tsai YH. Professional Commitment, Patient Safety, and Patient-Perceived Care Quality. J Nurs Scholarsh 2009; 41:301-9. [DOI: 10.1111/j.1547-5069.2009.01289.x] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Chao PK, Chan HL, Tang FT, Chen YC, Wong MK. A comparison of automatic fall detection by the cross-product and magnitude of tri-axial acceleration. Physiol Meas 2009; 30:1027-37. [DOI: 10.1088/0967-3334/30/10/004] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Wang FL, Boo NY, Ainoon O, Wong MK. Comparison of detection of glucose-6-phosphate dehydrogenase deficiency using fluorescent spot test, enzyme assay and molecular method for prediction of severe neonatal hyperbilirubinaemia. Singapore Med J 2009; 50:62-67. [PMID: 19224086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
INTRODUCTION This study aimed to compare the detection rates of glucose-6-phosphate dehydrogenase (G6PD) deficiency in neonates by fluorescent spot test (FST), enzyme assay and molecular methods, and to identify which method was a significant predictor of severe hyperbilirubinaemia. METHODS 74 term infants of Chinese descent admitted with severe hyperbilirubinaemia (total serum bilirubin equal or greater than 300 micromol/L) and 125 healthy term infants born in the hospital without severe hyperbilirubinaemia were recruited into the study. Specimens of blood were collected from each infant for FST, G6PD enzyme assay and TaqMan minor groove binder single nucleotide polymorphism genotyping assay. RESULTS 26 (13.1 percent) infants were diagnosed to have G6PD deficiency by FST. They had significantly lower median enzyme levels (0.8 IU/g Hb, interquartile range [IQR] 0.4-4.3) than those diagnosed to be normal (12.0 IU/g Hb, IQR 10.3-15.8) (p-value is less than 0.0001). Based on the enzyme assay, 39 (19.6 percent) infants had G6PD deficiency at an enzyme cut-off level of less than 8.5 IU/g Hb. G6PD mutation was detected in 27 (13.6 percent) infants. Logistic regression analysis showed that the only significant predictors of severe hyperbilirubinaemia were G6PD deficiency based on a cut-off level of less than 8.5 IU/g Hb (adjusted odds ratio [OR] 5.3, 95 percent confidence interval [CI] 2.4-11.4; p-value is less than 0.0001) and exclusive breast-feeding (adjusted OR 11.4, 95 percent CI 3.1-42.4; p-value is less than 0.0001). The gender and birth weight of infants, FST results, G6PD mutation and the actual G6PD enzyme levels were not significant predictors. CONCLUSION A G6PD enzyme level of less than 8.5 IU/g Hb is a significant predictor of severe hyperbilirubinaemia.
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Affiliation(s)
- F L Wang
- Department of Pathology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaccob Latif, Kuala Lumpur, Malaysia
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Khaw KS, Ngan Kee WD, Tam YH, Wong MK, Lee SWY. Survey and evaluation of modified oxygen delivery devices used for suspected severe acute respiratory syndrome and other high-risk patients in Hong Kong. Hong Kong Med J 2008; 14:27-31. [PMID: 18941271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023] Open
Affiliation(s)
- K S Khaw
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China.
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Abstract
Coronary heart disease (CHD) is the leading cause of death in the developed countries and many developing countries. Exercise training is the cornerstone of cardiac rehabilitation program for patients with CHD, and exercise intensities in the 50-70% heart rate reserve have been shown to improve functional capacity. However, recent studies found exercise with lower intensity also displayed benefits to CHD patients, and increased the acceptance of exercise program, particularly unfit and elderly patients. Tai Chi Chuan (TC) is a traditional conditioning exercise in the Chinese community, and recently it has become more popular in the Western societies. The exercise intensity of TC is low to moderate, depending on the training style, posture and duration. Participants can choose to perform a complete set of TC or selected movements according to their needs. Previous research substantiates that TC enhances aerobic capacity, muscular strength, endothelial function and psychological wellbeing. In addition, TC reduces some cardiovascular risk factors, such as hypertension and dyslipidemia. Recent studies have also proved that TC is safe and effective for patients with myocardial infarction, coronary bypass surgery and heart failure. Therefore, TC may be prescribed as an alternative exercise program for selected patients with cardiovascular diseases. In conclusion, TC has potential benefits for patients with CHD, and is appropriate for implementation in the community.
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Affiliation(s)
- Ching Lan
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital and College of Medicine, National Taiwan University, Taipei, Taiwan, ROC
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Goh SK, Yang KY, Koh JSB, Wong MK, Chua SY, Chua DTC, Howe TS. Subtrochanteric insufficiency fractures in patients on alendronate therapy: a caution. ACTA ACUST UNITED AC 2007; 89:349-53. [PMID: 17356148 DOI: 10.1302/0301-620x.89b3.18146] [Citation(s) in RCA: 314] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We carried out a retrospective review over ten months of patients who had presented with a low-energy subtrochanteric fracture. We identified 13 women of whom nine were on long-term alendronate therapy and four were not. The patients treated with alendronate were younger, with a mean age of 66.9 years (55 to 82) vs 80.3 years (64 to 92) and were more socially active. The fractures sustained by the patients in the alendronate group were mainly at the femoral metaphyseal-diaphyseal junction and many had occurred after minimal trauma. Five of these patients had prodromal pain in the affected hip in the months preceding the fall, and three demonstrated a stress reaction in the cortex in the contralateral femur. Our study suggests that prolonged suppression of bone remodelling with alendronate may be associated with a new form of insufficiency fracture of the femur. We believe that this finding is important and indicates the need for caution in the long-term use of alendronate in the treatment of osteoporosis.
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Affiliation(s)
- S-K Goh
- Department of Orthopaedic Surgery, Singapore General Hospital, Outram Road, Singapore, Republic of Singapore.
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Wang JS, Lin HY, Cheng ML, Wong MK. Chronic intermittent hypoxia modulates eosinophil- and neutrophil-platelet aggregation and inflammatory cytokine secretion caused by strenuous exercise in men. J Appl Physiol (1985) 2007; 103:305-14. [PMID: 17463301 DOI: 10.1152/japplphysiol.00226.2007] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Although acclimatization to intermittent hypoxia (IH) improves exercise performance by increasing oxygen delivery and utilization, the effects of chronic IH on platelet-leukocyte interaction and inflammation-related cytokine secretion caused by strenuous exercise remain unclear. This investigation elucidates how two intensities of IH influence eosinophil- and neutrophil-platelet aggregation (EPA and NPA) as well as pro- and anti-inflammatory cytokines mediated by strenuous exercise. Twenty healthy sedentary men were randomly divided into severe (SIH) and moderate (MIH) IH groups; groups were exposed to 12% O2 (SIH) and 15% O2 (MIH) for 1 h/day, respectively, for 5 days/wk for 8 wk in a normobaric hypoxia chamber. Before IH intervention, 1) exercise up to maximal oxygen consumption promoted shear stress-, LPS-, and N-formyl-methionyl-leucyl-phenylalanine-induced EPA, increased IL-1beta and malondialdehyde levels, and decreased total antioxidant levels in plasma and 2) exposure to 12% O2, but not to 15% O2 for 1 h, enhanced LPS-induced EPA and reduced plasma total antioxidant levels. After IH for 8 wk, hypoxia- and exercise-promoted EPA, IL-1beta, or malondialdehyde levels were suppressed in both MIH and SIH groups, and plasma IL-6 and IL-10 levels in the SIH group were increased. However, the NPA induced by the shear force and chemical agonists was not changed under the two IH regimens. Therefore, both MIH and SIH regimens ameliorate eosinophil- and platelet-related thrombosis, proinflammatory IL-1beta secretion, and lipid peroxidation enhanced by strenuous exercise. Furthermore, SIH simultaneously increases circulatory anti-inflammatory IL-6 and IL-10 concentrations. These findings can help to develop effective IH regimens that improve aerobic fitness and minimize risk of thromboinflammation.
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Affiliation(s)
- Jong-Shyan Wang
- Graduate Institute of Rehabilitation Science and Center for Gerontological Research, Chang Gung University, Kwei-Shan, Tao-Yuan 333, Taiwan.
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Tseng CH, Chong CK, Tseng CP, Cheng JC, Wong MK, Tai TY. Mortality, causes of death and associated risk factors in a cohort of diabetic patients after lower-extremity amputation: a 6.5-year follow-up study in Taiwan. Atherosclerosis 2007; 197:111-7. [PMID: 17395186 DOI: 10.1016/j.atherosclerosis.2007.02.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2006] [Revised: 02/09/2007] [Accepted: 02/13/2007] [Indexed: 11/26/2022]
Abstract
BACKGROUND To determine the mortality, causes of death and associated risk factors in Taiwanese diabetic patients after lower-extremity amputation (LEA). METHODS A total of 358 diabetic patients (191 men and 167 women, aged 66.6+/-10.3 years) after LEA from the Taiwanese cohort of 778 cases previously recruited in the multinational Global Lower Extremity Amputation Study were followed. Risk factors included age, sex, smoking, body mass index (BMI), hypertension, systolic (SBP) and diastolic blood pressure (DBP), and LEA level. Mortality was ascertained from the National Death Registry. RESULTS With a follow-up period of up to 6.5 (median: 4.0) years and 1239.17 patient-years, 214 patients died. Crude mortality rate was 172.7 per 1000 patient-years and median survival time 4.1 years. The underlying cause of death was recorded as diabetes mellitus in 57.9% of those who died and none to disease of arteries, arterioles and capillaries. After adjustment for age and sex, smoking, SBP as a continuous variable, SBP >or=140 mm Hg and BMI <18.5 kg/m(2) (underweight) were predictors for mortality with respective odds ratios (95% confidence intervals) of 1.580 (1.030-2.425), 1.011 (1.000-1.022), 1.363 (1.007-1.845) and 1.889 (1.203-2.968); but hypertension, DBP as a continuous variable and DBP >or=90 mm Hg, BMI as a continuous variable and LEA level were not. CONCLUSIONS Mortality after LEA in Taiwanese diabetic patients is high. The most common cause of death was recorded as diabetes mellitus. After adjustment for age and sex, smoking, SBP and underweight are predictive for mortality; while LEA level is not.
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Wang JS, Chen LY, Fu LL, Chen ML, Wong MK. Effects of moderate and severe intermittent hypoxia on vascular endothelial function and haemodynamic control in sedentary men. Eur J Appl Physiol 2007; 100:127-35. [PMID: 17297625 DOI: 10.1007/s00421-007-0409-8] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/28/2006] [Indexed: 10/23/2022]
Abstract
Acclimatization to intermittent hypoxia (IH) improves exercise performance by enhancing oxygen delivery and utilization, but the effect of IH on hemodynamic control remains unclear. This study investigates how two intensities of IH influence hemodynamic control to develop an IH regimen that improves aerobic fitness and minimizes risk of peripheral vascular disorder. Thirty healthy sedentary men were randomly divided into severe (SIH) and moderate (MIH) IH and control (C) groups. The subjects were exposed to 12% (SIH), 15% (MIH), or 21% (C) O2 for 1 h/day, 5 days/week for 4 weeks in a normobaric hypoxia chamber. The results demonstrate that (1) improved pulmonary ventilation and oxygen uptake by SIH and MIH; (2) SIH elevated blood pressure during exercise and increased plasma malondialdehyde and nitric oxide (NO) metabolite levels, accompanied by reduced hyperaemic arterial response, venous compliance, endothelium-dependent vasodilatation, and decreased plasma total antioxidant and vitamin E levels; (3) while such effects were not seen following MIH; and (4) there were no significant differences in endothelium-independent vasodilatation during all experimental periods among the three groups. We conclude that both SIH and MIH regimens improve pulmonary ventilation. However, SIH but not MIH decreases anti-oxidative capacity and increases lipid peroxidation in circulation, leading to suppression of vascular endothelial function, causing impairment of vascular haemodynamics.
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Affiliation(s)
- Jong-Shyan Wang
- Graduate Institute of Rehabilitation Science and Center for Gerontological Research, Chang Gung University, 259 Wen-Hwa 1st Road, Kwei-Shan, Tao-Yuan, 333, Taiwan.
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Wong MK, Leung WC, Wang JK, Lao TT, Ip MS, Lam WK, Ho JC. Recurrent pneumothorax in pregnancy: what should we do after placing an intercostal drain. Hong Kong Med J 2006; 12:375-80. [PMID: 17028358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2023] Open
Abstract
Recurrent pneumothorax is rare during pregnancy. We describe a Chinese woman, with a history of spontaneous pneumothorax managed with an intercostal drain, who developed a recurrent pneumothorax during her 32nd week of pregnancy. There is no consensus on management in this situation. We review the literature and discuss different management approaches. Thirty-six cases of antepartum pneumothorax have been reported in 31 case reports. An intercostal drain only (n=11) or surgeries (thoracotomy, n=9; or video-assisted thoracoscopy, n=2) were common treatment options with no surgical complications reported. Twenty-two (61%) patients progressed to a normal vaginal delivery, while the rest required forceps delivery (22%) or Caesarean section (14%). No single treatment option outweighed the others. There were no maternal or foetal complications reported in those who underwent antepartum surgical intervention. Surgical management of recurrent pneumothorax during pregnancy is well tolerated.
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Affiliation(s)
- M K Wong
- Department of Medicine, University of Hong Kong, Queen Mary Hospital, Pokfulam Road, Hong Kong
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Chong KW, Wong MK, Rikhraj IS, Howe TS. The use of computer navigation in performing minimally invasive surgery for intertrochanteric hip fractures--The experience in Singapore. Injury 2006; 37:755-62. [PMID: 16765957 DOI: 10.1016/j.injury.2006.03.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2005] [Revised: 02/28/2006] [Accepted: 03/01/2006] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Intertrochanteric hip fractures are very common and early mobilisation correlates with a better outcome. The ideal surgical procedure should protect the soft tissue envelope, thereby preserving blood supply and reducing blood loss. Furthermore, occupational exposure to fluoroscopy that is used in hip fracture fixation remains a concern amongst orthopaedic surgeons. Computer-aided surgery can help to reduce reliance on fluoroscopy. We therefore combined the principles of minimally invasive plate osteosynthesis (MIPO) and computer navigation to describe a new procedure. We also present our results using this technique of minimally invasive computer-navigated dynamic hip screw fixation (navMIS-DHS), and compare it to computer-navigated open DHS fixation (nav-DHS) and to conventional open DHS fixation (conv-DHS). MATERIALS AND METHODS This paper has three parts. In the first part, we describe the procedure of navMIS-DHS in detail. In the second part, we present our initial retrospective pilot series of 35 cases. Amongst them we performed 5 navMIS-DHS, 3 nav-DHS and 27 conv-DHS. There were also two cases of conv-DHS deliberately performed with a mini-incision in an attempt to see if we could duplicate the 5 cm incision that we achieved with navMIS-DHS. All patients were followed up for a minimum of 6 months. In the third part, we performed a single surgeon prospective evaluation of navMIS-DHS versus conv-DHS involving 43 fractures in two arms. RESULTS We were able to achieve reduction in fluoroscopy time. There was also reduction in opiate requirement post-operatively in the minimally invasive procedure. The incision sizes were also smaller. The prospective study also showed less wound-related complications in navMIS-DHS and a shorter time to ambulation. Implant positions were acceptable but we have also described how it may be improved. CONCLUSIONS Navigated MIS-DHS, by virtue of less pain, better healing, earlier rehabilitation and potentially shorter hospital stay, would benefit both the patients and reduce the economic strain on the health care system. It is a safe and reproducible procedure. Technical difficulties are present and these need to be addressed with further modifications of technique, and instrumentation.
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Affiliation(s)
- K W Chong
- Department of Orthopaedic Surgery, Trauma Service, Singapore General Hospital, Outram Road, Singapore 169608, Singapore.
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Abstract
The objective of this study was to evaluate the clinical safety of intravenous gadolinium-based contrast media used in patients who underwent MRI at a single institution. Acute adverse reactions to intravenous gadolinium-based contrast media used for MRI at the Princess Margaret Hospital, Hong Kong, SAR, from January 1999 to November 2004 were recorded in an incidence log book. The medical records of patients' demographics were retrospectively reviewed and the nature, frequency and severity of the adverse reactions were investigated and documented. The incidence of acute adverse reactions to intravenous gadolinium-based contrast media was 0.48% (45 patients with 46 adverse reactions). The severity of these adverse reactions were 96% mild, 2% moderate (one patient developed shortness of breath that required oxygen supplementation and intravenous steroidal management) and 2% severe (one patient developed an anaphylactoid reaction, but successfully recovered through timely resuscitation). No patients were recorded as having contrast extravasation and none died as a result of any adverse reaction. Among the 45 patients who developed adverse reactions, three patients (6.7%) had prior adverse reactions to iodinated contrast media, three (6.7%) had prior reactions to a different gadolinium-based contrast agent, one (2%) had asthma and nine (20%) had a history of drug/food allergy. Overall, 41% of the adverse reactions were not documented in the final MRI report or the clinical medical records. Gadolinium-based contrast media are safe and well tolerated by the vast majority of patients. In our study, the adverse reaction rate (0.48%) and the incidence of severe anaphylactoid reaction (0.01%) concur with those reported in the literature. Although most of the symptoms are mild and transient, these adverse reactions must be accurately documented and managed.
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Affiliation(s)
- A Li
- Department of Radiology and Organ Imaging, United Christian Hospital, 130 Hip Wo Street, Kwun Tong, Hong Kong, SAR
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Wang JS, Chen SY, Lan C, Wong MK, Lai JS. Neuromuscular electric stimulation enhances endothelial vascular control and hemodynamic function in paretic upper extremities of patients with stroke. Arch Phys Med Rehabil 2004; 85:1112-6. [PMID: 15241759 DOI: 10.1016/j.apmr.2003.11.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To investigate the effects of neuromuscular electric stimulation (NMES) on endothelial vascular control and hemodynamic function in patients in rehabilitation after acute stroke. DESIGN Before-after trial. SETTING Inpatients in a tertiary hospital. PARTICIPANTS Sixteen stroke patients (11 women, 5 men) with a mean age of 60.6+/-19.5 years. INTERVENTIONS All patients received NMES for paretic wrist extensor and flexor muscles 30 minutes daily, 5 days a week, for 4 weeks. The nonparetic upper extremities, which served as controls, did not receive NMES. MAIN OUTCOME MEASURES Laser Doppler perfusion testing was conducted to measure cutaneous microcirculatory responses to transdermal iontophoresis of acetylcholine (ACh) and sodium nitroprusside (SNP), as specific endothelium-dependent and -independent vasodilators, respectively. Arterial and venous hemodynamic function was also measured by impedance plethysmography. RESULTS Before NMES treatment, the venous capacity and compliance of the paretic extremities did not differ significantly from those of the nonparetic extremities. However, hyperemic arterial inflow, ACh-induced cutaneous perfusion, and the ratio of ACh- to SNP-induced cutaneous perfusion were lower in the paretic than in the nonparetic extremities. After NMES treatment, hyperemic arterial inflow and venous outflow increased by 21.5% and 57.2%, respectively, in the paretic extremities (P<.05). ACh-induced cutaneous perfusion and the ratio of ACh- to SNP-induced cutaneous perfusion were also significantly enhanced in the paretic extremities. In contrast, hyperemic arterial inflow decreased by 39.6% in the nonparetic extremities (P<.05), and endothelium-dependent cutaneous vasodilation also decreased significantly. CONCLUSIONS NMES therapy may enhance the hyperemic arterial response and endothelium-dependent dilation in skin vasculature in the paretic upper extremities of patients with stroke.
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Affiliation(s)
- Jong-Shyan Wang
- Graduate Institute of Rehabilitation Sciences and Center for Gerontological Research, Chang-Gung University, Tao-Yuan, Taipei, Taiwan 10016
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Ho JC, Lam WK, Wong MP, Wong MK, Ooi GC, Ip MS, Chan-Yeung M, Tsang KW. Lymphoepithelioma-like carcinoma of the lung: experience with ten cases. Int J Tuberc Lung Dis 2004; 8:890-5. [PMID: 15260282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/30/2023] Open
Abstract
OBJECTIVE Lymphoepithelioma-like carcinoma of the lung (LELC) is a rare form of non-small cell lung cancer predominantly affecting young non-smoking Asians, and there has been only limited experience in its palliative chemotherapy and radiotherapy. We investigated tumour response, time to progression and survival of LELC patients who received such treatment. DESIGN We prospectively recruited patients with confirmed advanced LELC who were treated with chemoradiotherapy in our unit, a regional tertiary referral centre for lung cancer treatment. RESULTS There were 10 patients (five males, age 47 +/- 9.8 years, median follow-up 22 months) with advanced LELC (respectively 1, 4, and 5 patients at TNM stage IIIA, IIIB and IV) who received systemic chemotherapy and radiotherapy. The primary chemotherapy regimen consisted of 5-fluorouracil/leucovorin/cisplatin. The response rates to 5-fluorouracil/leucovorin/cisplatin were 60% partial response, 10% stable disease, and 30% progressive disease. Eight patients were also given local radiotherapy. Five patients received salvage chemotherapy when disease progressed after primary chemotherapy. The overall median survival was 23.4 +/- 4.7 months. CONCLUSION The encouraging response to combination chemotherapy with 5-fluorouracil/leucovorin/ cisplatin, although empirical, supports its use with radiotherapy in unresectable lymphoepithelioma-like carcinoma of the lung.
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Affiliation(s)
- J C Ho
- Department of Medicine, The University of Hong Kong, Hong Kong, SAR China
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Tsai WC, Tang FT, Wong MK, Pang JHS. Inhibition of tendon cell migration by dexamethasone is correlated with reduced alpha-smooth muscle actin gene expression: a potential mechanism of delayed tendon healing. J Orthop Res 2003; 21:265-71. [PMID: 12568958 DOI: 10.1016/s0736-0266(02)00151-1] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Local corticosteroid injection is commonly used to treat sports-related tendon injuries. However, isolated cases of tendon rupture following injection suggest that this treatment may impair the healing process. Tendon healing requires the migration of tendon cells to the repair site, followed by the proliferation and synthesis of the extracellular matrix. This study was designed to determine the effect of dexamethasone on the migration of tendon cells intrinsic to rat Achilles tendon at concentrations similar to those typically used for local injection treatment. Furthermore, the existence of a correlation between this effect and the expression of the contractile actin isoform, alpha-smooth muscle (SM) actin, which is associated with cell motility, was also examined. Using cultured tendon cells, migration was evaluated by counting the number of initial outgrowths from the tendon explants and by transwell filter migration assay. The distribution and assembly of alpha-SM actin were assessed by immunocytochemistry. The mRNA and protein expressions of alpha-SM actin were determined by reverse transcription-polymerase chain reaction (RT-PCR) and Western blot analysis. Dose-dependent dexamethasone inhibition was demonstrated for both tendon cells outgrowth from the explants, ex vivo, and migration of tendon cells through the transwell filter, in vitro. Immunocytochemical staining revealed significant decreases in both the amount and assembly of alpha-SM actin in cells. Suppression of mRNA expression and protein level of alpha-SM actin was revealed from RT-PCR and Western blot analyses. In conclusion, dexamethasone inhibits tendon cell migration that is correlated with decreased gene expression of alpha-SM actin.
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Affiliation(s)
- Wen-Chung Tsai
- Department of Physical Medicine and Rehabilitation, Graduate Institute of Clinical Medical Sciences, Chang Gung Memorial Hospital, Chang Gung University, Building J, 12F, 5 Fu-Shin Street, Gueishan, Taoyuan, Taiwan
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Chen IC, Chen CL, Wong MK, Chung CY, Chen CH, Sun CH. Clinical analysis of 1048 children with developmental delay. Chang Gung Med J 2002; 25:743-50. [PMID: 12553362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/20/2023]
Abstract
BACKGROUND Children with developmental delay (DD) have a variety of problems in developmental functions. The purposes of this study were to analyze the underlying diseases and risk factors in children with different functional delays. METHODS We collected data on 1048 children who underwent assessments of developmental function, related diseases, and risk factors. All children were classified into 6 functional delay groups: cognitive, speech, motor, pervasive, global, and non-specific DDs. Differences in related diseases and risk factors of the 6 functional delay groups were determined. RESULTS Most children had global (51.2%), speech (21.9%), and motor (13.9%) delays. Approximately 62.8% of children were associated with biological factors (19% with genetic defects or congenital anomalies, 16.5% with central nervous system lesions, 13.9% with prematurity/low birth body weight, and 13.4% with neonatal insult). We could not identify the risk factors in 36.6% of the children. Most children with motor delay had brain/neuromuscular diseases and were associated with risks of prematurity or low birth body weight; while most children with global delay had brain neuromuscular diseases or psychological/mental disorders and were associated with risks of genetic defects or congenital anomalies. CONCLUSION Our findings suggest that there are heterogeneous risk factors and related diseases in children with different kinds of functional delay.
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Affiliation(s)
- I-Chun Chen
- Department of Rehabilitation, Chang Gung Memorial Hospital, Taipei, Taiwan, ROC
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Tsai WC, Tang FT, Wong MK, Yen HC, Pang JHS. Decreased expression of proliferating cell nuclear antigen is associated with dexamethasone inhibition of the proliferation of rat tendon fibroblasts. J Rheumatol 2002; 29:2397-402. [PMID: 12415599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023]
Abstract
OBJECTIVE To investigate the effects of dexamethasone (Dex) on the proliferation of cultured rat Achilles tendon fibroblasts at concentrations typically used for local injection treatment. METHODS Fibroblasts cultured from rat Achilles tendons were treated with Dex at concentrations of 0, 10-4, 3 10-4, and 10-3 M. [3H]thymidine incorporation was used to measure the rate of cell proliferation. mRNA expression of proliferating cell nuclear antigen (PCNA) and cyclin kinase inhibitor p21CIP1 was determined by reverse transcription-polymerase chain reaction (RT-PCR). The protein levels of PCNA and p21CIP1 were investigated by Western blot analysis. RESULTS An initial inhibitory effect on tendon fibroblast proliferation was observed at a concentration of 10-4 M. Further, a significant decline in [3H]thymidine incorporation as a function of Dex concentration was noted (p = 0.019). RT-PCR results revealed that PCNA mRNA expression was inhibited after Dex treatment. Western blot analysis of PCNA protein also revealed Dex downregulation. Gradual declines in the levels of PCNA mRNA expression and PCNA protein as a function of Dex concentration were noted. The expression of p21CIP1 both at mRNA and the protein levels remained constant. CONCLUSION These results suggest that Dex inhibition of the proliferation of rat tendon fibroblasts is associated with a p21CIP1 independent decrease of the PCNA gene expression.
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Affiliation(s)
- Wen-Chung Tsai
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Taoyuan, Taiwan
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Chen CY, Chen CL, Wu CY, Chen HC, Tang FT, Wong MK. Visual spatial attention in children with attention deficit hyperactivity disorder. Chang Gung Med J 2002; 25:514-21. [PMID: 12392363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Abstract
BACKGROUND Attention deficit hyperactivity disorder (ADHD) was characterized by deficit in the attention mechanism. Until now, the visual-spatial attention deficit in children with ADHD remains controversial. We report a study of the visual spatial attention to assess covert shifts of attention and sustained attention theoretically linked to two neuroanatomically defined attentional system in the posterior and anterior parts of the human brain. METHODS Using the Neuroscan system, the reaction time (RT) was measured according to three different within-subject conditions including cueing (valid, invalid and neutral); delay (800 msec and 100 msec); side [right visual field (RVF) and left visual field (LVF)] as well as one between-subject condition (healthy, ADHD). RESULTS The AHDH group showed slower RTs overall (RT = 760 msec) than the comparison group (RT = 650 msec) (p = 0.001). RTs in the delayed condition of 800 msec (RT = 680 msec) were faster than in the delayed condition of 100 msec (RT = 730 msec) in all children (p < 0.001). The ADHD group showed significant lateral differences in RT (RTRVF: 880 msec > RTLVF: 830 msec) in the 100 msec delay for the invalid cueing condition (p = 0.045) that was not found in the comparison group. CONCLUSION General dysfunction including posterior-based covert shift of attention and anterior-based sustained attention was found in ADHD group. Furthermore, asymmetric left parietal dysfunction in the disengaged operation was noted in those with ADHD.
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Affiliation(s)
- Chung-Yao Chen
- Department of Rehabilitation Medicine, Chang Gung Memorial Hospital, Taipei, Taiwan, ROC
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Abstract
Tai Chi Chuan (TCC) is a popular Chinese conditioning exercise, however, its exercise intensity remains controversial. The objective of this study was to determine the exercise intensity of Yang TCC by measuring heart rate (HR) responses and oxygen consumption (VO2) during practice. Fifteen men aged 39.9 +/- 9.5 yrs (range 26-56 yrs) participated in this study. Subjects had practiced classical Yang TCC for 5.8 +/- 2.4 years. HR responses and VO2 were measured during practice of TCC by using a K4 telemetry system. Blood lactate was measured before and immediately after TCC practice. Additionally, breath-by-breath measurement of cardiorespiratory function and sequential determination of blood lactate were performed during the incremental exercise of leg cycling. Measurements obtained during the TCC practice and exercise testing were compared to determine the exercise intensity of TCC. While performing TCC, the mean HR of subjects was 140 +/- 10 bpm, and the mean VO2 was 21.4 +/- 1.5 mL x kg(-1) min(-1). Compared with the data of the exercise test, the HR during practice was 58% of the heart rate range. Meanwhile, the VO2 during TCC practice was 55% of the VO2peak. Additionally, the level of blood lactate immediately after TCC practice was 3.8 mM, which reflected the level of lactate during TCC, approximated the onset of blood lactate accumulation (OBLA). The results demonstrate that TCC is an exercise with moderate intensity, and is aerobic in nature.
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Affiliation(s)
- C Lan
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Taipei
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Wang JS, Yang CF, Liaw MY, Wong MK. Suppressed cutaneous endothelial vascular control and hemodynamic changes in paretic extremities with edema in the extremities of patients with hemiplegia. Arch Phys Med Rehabil 2002; 83:1017-23. [PMID: 12098165 DOI: 10.1053/apmr.2002.33235] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE To investigate peripheral circulatory function and its underlying mechanisms in the paretic upper extremity after a stroke. DESIGN Case-control study. SETTING A department of physical medicine and rehabilitation in Taiwan. PARTICIPANTS A total of 53 hemiplegic patients (28 men, 25 women; mean age +/- standard deviation; 58.2+/-3.8y) were studied. Subjects were divided into edema and nonedema groups. The edema group included 29 hemiplegic patients with edematous paretic upper extremities. Twenty-four hemiplegic patients in the nonedema group did not suffer from limb edema in the paretic upper extremity. INTERVENTIONS Not applicable. MAIN OUTCOME MEASURES Cutaneous microvascular perfusion responses to 3 grade levels of iontophoretically applied 1% acetylcholine (ACh), 1% ACh plus 1% N(G)-monomethyl-L-arginine (L-NMMA), and 1% sodium nitroprusside (SNP) in the skin of subjects' forearms were determined by laser Doppler perfusion measurements. Moreover, hemodynamic characteristics in the arterial and venous vessels were measured by impedance plethysmography. RESULTS Resting arterial inflow and venous capacity, tone, and outflow in paretic extremities did not significantly differ from nonparetic extremities, but the hyperemic arterial inflow was lower in paretic extremities than in nonparetic extremities, and paretic extremities were associated with lower ACh- and ACh plus L-NMMA-induced cutaneous perfusions than nonparetic extremities. ACh-induced cutaneous perfusions also decreased much more significantly in edematous paretic extremities than in nonedematous paretic extremities, and skin vascular responses to SNP do not differ significantly between paretic and nonparetic extremities. CONCLUSION Cutaneous microcirculatory function in the paretic upper extremity after stroke may be impaired. The impairment may occur because of decreased endothelium-dependent dilation in skin vasculature. Dysfunction in cutaneous microcirculation tends to be more pronounced in the edematous than in the nonedematous extremities.
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Affiliation(s)
- Jong-Shyan Wang
- Department of Physical Therapy, Gung University, Tao-Yuan, Taiwan.
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Wang JS, Lan C, Chen SY, Wong MK. Tai Chi Chuan training is associated with enhanced endothelium-dependent dilation in skin vasculature of healthy older men. J Am Geriatr Soc 2002; 50:1024-30. [PMID: 12110061 DOI: 10.1046/j.1532-5415.2002.50256.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVES The vascular endothelium modulates vascular tone by synthesizing and metabolizing vasoactive substances. Endothelium-dependent vasodilation declines with age. This study investigated whether Tai Chi Chuan (TCC) training could enhance endothelial function in the skin vasculature of older men. SETTING Community setting. DESIGN Basic hemodynamic characteristics and skin vascular response to endothelium-dependent and -independent vasodilators were studied. PARTICIPANTS Ten older men who practiced TCC, 10 older healthy sedentary men, and 12 younger healthy sedentary men. The older TCC subjects had practiced classical Yang TCC for a mean +/- standard deviation of 11.2 +/- 3.4 years; mean attendance was 5.1 +/- 1.8 times weekly. Sedentary subjects had not participated in any regular exercise training for at least 5 years. MEASUREMENTS Different doses of 1% acetylcholine (ACh) and 1% sodium nitroprusside (SNP) were iontophoretically applied to the skin of subjects' lower legs, and cutaneous microvascular perfusion responses were determined by laser doppler measurements. Additionally, arterial and venous hemodynamic variables were measured by impedance plethysmograph. RESULTS The older TCC group had higher lower leg arterial blood flow (LABF); LABF in response to reactive hyperemia; and lower leg venous capacity, tone and blood flow than their sedentary counterparts, but the older TCC group displayed similar arterial and venous hemodynamic variables to the younger sedentary group. The younger sedentary group had a higher ACh-induced cutaneous perfusion and a higher ratio of ACh- to SNP-induced cutaneous perfusion than the two older groups. The older TCC group showed a higher ACh-induced cutaneous perfusion and a higher ratio of ACh- to SNP-induced cutaneous perfusion than the older sedentary group. Skin vascular responses to SNP did not differ significantly between the three groups. CONCLUSIONS Regular practice of TCC is associated with enhanced endothelium-dependent dilation in skin vasculature of older individuals. Moreover, TCC training may delay the age-related decline of venous compliance and hyperemic arterial response.
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Affiliation(s)
- Jong-Shyan Wang
- Department of Physical Therapy Chang Gung University, 259 Wen-Haw 1st Road, Kwei-Shan, Tao-Yuan 333, Taiwan, ROC.
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