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Artikel ; Online: Addition of liposomal bupivacaine to standard bupivacaine versus standard bupivacaine alone in the supraclavicular brachial plexus block: a randomized controlled trial.

Chan, Timmy Chi Wing / Wong, Janus Siu Him / Wang, Fengfeng / Fang, Christian Xinshuo / Yung, Colin Shing-Yat / Chan, Manson Tak Hei / Chan, Will Shing Him / Wong, Stanley Sau Ching

Anesthesiology

2024

Abstract: Background: The analgesic effect of adding liposomal bupivacaine to standard bupivacaine in supraclavicular brachial plexus block is not known. We hypothesized that addition of liposomal bupivacaine would reduce acute postoperative pain compared to ... ...

Abstract	Background: The analgesic effect of adding liposomal bupivacaine to standard bupivacaine in supraclavicular brachial plexus block is not known. We hypothesized that addition of liposomal bupivacaine would reduce acute postoperative pain compared to standard bupivacaine alone. Methods: A randomized controlled trial was conducted. Patients and outcome assessors were blinded. Eighty patients undergoing distal radial fracture fixation under regional anesthesia with supraclavicular brachial plexus block were randomized into two groups. The liposomal bupivacaine (LB-BPB) group received 10ml of 0.5% plain bupivacaine immediately followed by 10ml of 1.33% liposomal bupivacaine (n=40). The standard bupivacaine (S-BPB) group received 20ml of 0.5% plain bupivacaine (n=40). The primary outcome was weighted area under curve (AUC) numerical rating scale (NRS) pain score at rest over the first 48 hours after surgery. Secondary outcomes included AUC scores for pain with movement, overall benefit with analgesia score (OBAS) and other functional scores. Results: For the primary outcome, LB-BPB group was associated with statistically significantly lower AUC pain score at rest (0.6 vs 1.4, p-value < 0.001) in the first 48 hours. Of the secondary outcomes, no difference between treatment groups reached statistical significance with the exception of AUC score for pain with movement (2.3 vs 3.7, adjusted p-value < 0.001) and OBAS (1.1 vs 1.7, adjusted p-value = 0.020) in the first 48 hours, as well as NRS pain score at rest (0.5 vs 1.9, adjusted p-value < 0.001) and with movement (2.7 vs 4.9, adjusted p-value < 0.001) on postoperative day (POD) 1. Differences in NRS pain scores on POD2, POD3 and POD4 did not reach the level of statistical significance. There were no statistically significant differences in sensory function. Conclusion: Liposomal bupivacaine given via supraclavicular brachial plexus block reduced pain at rest in the early postoperative period.
Sprache	Englisch
Erscheinungsdatum	2024-05-02
Erscheinungsland	United States
Dokumenttyp	Journal Article
ZDB-ID	269-0
ISSN	1528-1175 ; 0003-3022
ISSN (online)	1528-1175
ISSN	0003-3022
DOI	10.1097/ALN.0000000000005035
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

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Artikel ; Online: What every orthopaedic surgeon should know about COVID-19

Colin Shing-Yat Yung / Kevin Chi Him Fok / Ching Ngai Leung / Yat Wa Wong

Journal of Orthopaedic Surgery, Vol

A review of the current literature

2020 Band 28

Abstract: The coronavirus (COVID-19) pandemic has severely affected the medical community and stopped the world in its tracks. This review aims to provide the basic information necessary for us, orthopaedic surgeons to prepare ourselves to face this pandemic ... ...

Abstract	The coronavirus (COVID-19) pandemic has severely affected the medical community and stopped the world in its tracks. This review aims to provide the basic information necessary for us, orthopaedic surgeons to prepare ourselves to face this pandemic together. Herein, we cover the background of COVID-19, presentation, investigations, transmission, infection control and touch upon emerging treatments. It is of paramount importance that we should stay vigilant for our patients, our families and ourselves. Adequate infection control measures are necessary during day-to-day clinical work.
Schlagwörter	Orthopedic surgery ; RD701-811 ; covid19
Sprache	Englisch
Erscheinungsdatum	2020-05-01T00:00:00Z
Verlag	SAGE Publishing
Dokumenttyp	Artikel ; Online
Datenquelle	BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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Artikel ; Online: What every orthopaedic surgeon should know about COVID-19: A review of the current literature.

Yung, Colin Shing-Yat / Fok, Kevin Chi Him / Leung, Ching Ngai / Wong, Yat Wa

Journal of orthopaedic surgery (Hong Kong)

2020 Band 28, Heft 2, Seite(n) 2309499020923499

Abstract	The coronavirus (COVID-19) pandemic has severely affected the medical community and stopped the world in its tracks. This review aims to provide the basic information necessary for us, orthopaedic surgeons to prepare ourselves to face this pandemic together. Herein, we cover the background of COVID-19, presentation, investigations, transmission, infection control and touch upon emerging treatments. It is of paramount importance that we should stay vigilant for our patients, our families and ourselves. Adequate infection control measures are necessary during day-to-day clinical work.
Mesh-Begriff(e)	Betacoronavirus ; COVID-19 ; Coronavirus Infections/diagnosis ; Coronavirus Infections/therapy ; Coronavirus Infections/transmission ; Coronavirus Infections/virology ; Disease Transmission, Infectious/prevention & control ; Humans ; Infection Control/methods ; Orthopedic Surgeons ; Orthopedics/education ; Orthopedics/standards ; Pandemics ; Pneumonia, Viral/diagnosis ; Pneumonia, Viral/therapy ; Pneumonia, Viral/transmission ; Pneumonia, Viral/virology ; SARS-CoV-2
Schlagwörter	covid19
Sprache	Englisch
Erscheinungsdatum	2020-05-13
Erscheinungsland	England
Dokumenttyp	Journal Article ; Review
ZDB-ID	1493368-8
ISSN	2309-4990 ; 1022-5536
ISSN (online)	2309-4990
ISSN	1022-5536
DOI	10.1177/2309499020923499
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

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Artikel ; Online: Determination of the ideal plate for medial femoral condyle fracture fixation: an anatomical fit and biomechanical study.

Leung, Felix / Fang, Christian Xinshuo / Yung, Colin Shing Yat / Leung, Frankie Ka Li

BMC musculoskeletal disorders

2024 Band 25, Heft 1, Seite(n) 296

Abstract: Background: The aim of this study is to determine the best plate to use as a substitute to fix a medial femoral condyle fracture.: Materials and methods: The first part is to measure the best fit between several anatomical plates including the ... ...

Abstract	Background: The aim of this study is to determine the best plate to use as a substitute to fix a medial femoral condyle fracture. Materials and methods: The first part is to measure the best fit between several anatomical plates including the Proximal Tibia Anterolateral Plate (PT AL LCP), the Proximal Tibia Medial Plate (PT M LCP), the Distal Tibia Medial Locking Plate (DT M LCP) and the Proximal Humerus (PHILOS) plate against 28 freshly embalmed cadaveric distal femurs. Measurements such as plate offset and number of screws in the condyle and shaft shall be obtained. The subsequent part is to determine the compressive force at which the plate fails. After creating an iatrogenic medial condyle fracture, the cadavers will be fixed with the two plates with the best anatomical fit and subjected to a compression force using a hydraulic press. Results: The PT AL LCP offered the best anatomical fit whereas the PHILOS plate offered the maximal number of screws inserted. The force required to create 2 mm of fracture displacement between the two is not statistically significant (LCP 889 N, PHILOS 947 N, p = 0.39). The PT AL LCP can withstand a larger fracture displacement than the PHILOS (LCP 24.4 mm, PHILOS 17.4 mm, p = 0.004). Discussion and conclusion: Both the PT AL LCP and the PHILOS remain good options in fixing a medial femoral condyle fracture. Between the two, we would recommend the PT AL LCP as the slightly superior option.
Mesh-Begriff(e)	Humans ; Fracture Fixation, Internal ; Fractures, Bone ; Bone Plates ; Epiphyses ; Biomechanical Phenomena ; Knee Fractures
Sprache	Englisch
Erscheinungsdatum	2024-04-16
Erscheinungsland	England
Dokumenttyp	Journal Article
ZDB-ID	2041355-5
ISSN	1471-2474 ; 1471-2474
ISSN (online)	1471-2474
ISSN	1471-2474
DOI	10.1186/s12891-024-07374-5
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

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Artikel ; Online: Surgeon-designed patient-specific instrumentation improves glenoid component screw placement for reverse total shoulder arthroplasty in a population with small glenoid dimensions.

Yung, Colin Shing-Yat / Fang, Christian / Fang, Evan / Siu, Yuk-Chuen / Yee, Dennis King Hang / Wong, Kevin Kwun-Hung / Poon, Kai-Chung / Leung, Matthew Man Fai / Wan, Jonathan / Lau, Tak-Wing / Leung, Frankie

International orthopaedics

2023 Band 47, Heft 5, Seite(n) 1267–1275

Abstract: Purpose: Glenoid component loosening is a potential complication of reverse total shoulder arthroplasty (rTSA), occurring in part due to lack of adequate screw purchase in quality scapular bone stock. This study was to determine the efficacy of a ... ...

Abstract	Purpose: Glenoid component loosening is a potential complication of reverse total shoulder arthroplasty (rTSA), occurring in part due to lack of adequate screw purchase in quality scapular bone stock. This study was to determine the efficacy of a surgeon-designed, 3D-printed patient-specific instrumentation (PSI) compared to conventional instrumentation (CI) in achieving longer superior and inferior screw lengths for glenoid component fixation. Methods: A multi-centre retrospective analysis of patients who underwent rTSA between 2015 and 2020. Lengths of the superior and inferior locking screws inserted for fixation of the glenoid baseplate component were recorded and compared according to whether patients received PSI or CI. Secondary outcomes included operative duration and incidence of complications requiring revision surgery. Results: Seventy-three patients (31 PSI vs. 42 CI) were analysed. Average glenoid diameter was 24.5 mm (SD: 3.1) and 81% of patients had smaller glenoid dimensions compared to the baseplate itself. PSI produced significantly longer superior (44.7 vs. 30.7 mm; P < 0.001) and inferior (43.0 vs. 31 mm; P < 0.001) mean screw lengths, as compared to CI. A greater proportion of maximal screw lengths for the given rTSA construct (48 mm) were observed in the PSI group (71.9% vs. 11.9% superior, 59.4% vs. 11.9% inferior). Operative duration was not statistically significantly different between the PSI and CI groups (150 min vs. 169 min, respectively; P = 0.229). No patients had radiographic loosening of the glenoid component with an average of 2-year follow-up. Conclusion: PSI facilitates longer superior and inferior screw placement in the fixation of the glenoid component for rTSA. With sufficient training, PSI can be designed and implemented by surgeons themselves.
Mesh-Begriff(e)	Humans ; Male ; Female ; Middle Aged ; Aged ; Aged, 80 and over ; Arthroplasty, Replacement, Shoulder ; Shoulder Joint/diagnostic imaging ; Shoulder Joint/surgery ; Bone Screws ; Glenoid Cavity/surgery ; Retrospective Studies ; Printing, Three-Dimensional
Sprache	Englisch
Erscheinungsdatum	2023-02-10
Erscheinungsland	Germany
Dokumenttyp	Comparative Study ; Journal Article ; Multicenter Study ; Research Support, Non-U.S. Gov't
ZDB-ID	80384-4
ISSN	1432-5195 ; 0341-2695
ISSN (online)	1432-5195
ISSN	0341-2695
DOI	10.1007/s00264-023-05706-z
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

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Artikel ; Online: The prevalence and impact of cervical spine pathologies in patients with nasopharyngeal carcinoma.

Yung, Colin Shing-Yat / Leung, Dennis Kwok Chuen / Cheung, Jason Pui Yin

Oral oncology

2019 Band 90, Seite(n) 48–53

Abstract: Objectives: Nasopharyngeal carcinoma (NPC) and its treatment can lead to cervical spine pathologies such as metastases, osteoradionecrosis (ORN) and infection. However, the occurrence rate and relationship between timing of diagnosis and outcomes of the ...

Abstract	Objectives: Nasopharyngeal carcinoma (NPC) and its treatment can lead to cervical spine pathologies such as metastases, osteoradionecrosis (ORN) and infection. However, the occurrence rate and relationship between timing of diagnosis and outcomes of the ever-advancing technology of radiation therapy is largely unknown. Hence, the aim of this study is to determine the prevalence and impact of cervical spine pathologies in patients with NPC. Materials and methods: This was a cross-sectional study of all newly diagnosed cases of NPC from 2007 to 2016 at a tertiary referral oncology and spine centre with minimum 1-year post-treatment follow-up. All cervical spine pathologies, their treatment and outcomes were determined. Presentation, onset time and correlations of the cervical spine pathologies with mortality and risk factors were also analysed. Results: Out of 605 cases of verified cases of NPC, cervical spine pathologies were seen in 8.9% of patients. New onset neck pain was seen in 5.3%, symptomatic cervical spondylosis in 4.8%, cervical spine metastases in 2.5%, local tumour invasion in 0.8%, cervical ORN in 0.7%, osteomyelitis in 0.7%, radiculopathy in 0.3%, and myelopathy in 0.3%. Cervical spine pathologies were associated with an increased risk (odds ratio: 2.73) in overall mortality. Cervical spine metastases, invasion, ORN and infection were associated with significantly higher risk of mortality (p = 0.01-0.02). Conclusion: Cervical spine pathologies in patients with NPC are heterogenous but not uncommon. Neck pain is prevalent but is often benign. ORN and osteomyelitis of the cervical spine is uncommon but have large clinical implications including higher mortality with subtle presentations.
Mesh-Begriff(e)	Adolescent ; Adult ; Aged ; Aged, 80 and over ; Cross-Sectional Studies ; Female ; Follow-Up Studies ; Humans ; Male ; Middle Aged ; Mortality ; Nasopharyngeal Carcinoma/pathology ; Nasopharyngeal Carcinoma/radiotherapy ; Nasopharyngeal Neoplasms/pathology ; Nasopharyngeal Neoplasms/radiotherapy ; Neck Pain/epidemiology ; Neck Pain/etiology ; Osteomyelitis/epidemiology ; Osteomyelitis/etiology ; Osteomyelitis/mortality ; Osteoradionecrosis/epidemiology ; Osteoradionecrosis/etiology ; Osteoradionecrosis/mortality ; Prevalence ; Prospective Studies ; Radiotherapy, Intensity-Modulated/adverse effects ; Spondylosis/epidemiology ; Spondylosis/etiology ; Young Adult
Sprache	Englisch
Erscheinungsdatum	2019-02-01
Erscheinungsland	England
Dokumenttyp	Journal Article
ZDB-ID	1120465-5
ISSN	1879-0593 ; 0964-1955 ; 1368-8375
ISSN (online)	1879-0593
ISSN	0964-1955 ; 1368-8375
DOI	10.1016/j.oraloncology.2019.01.013
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

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Artikel ; Online: Should nails be locked dynamically or statically in atypical femoral fractures? - A radiological analysis of time to union and reoperations in 236 displaced fractures with 4 years average follow-up.

Fang, Christian / Shen, Wan Yiu / Wong, Janus Siu Him / Yee, Dennis King-Hang / Yung, Colin Shing-Yat / Fang, Evan / Lai, Yuen Shan / Woo, Siu Bon / Cheung, Jake / Chau, Jackie Yee-Man / Ip, Ka Chun / Li, Wilson / Leung, Frankie

Injury

2023 Band 54, Heft 8, Seite(n) 110909

Abstract: Introduction: Atypical femoral fractures (AFFs) are associated with delayed union and higher reoperation rates. Axial dynamization of intramedullary nails is hypothesized to reduce time-to-union (TTU) and fixation failure as compared to static locking.!# ...

Abstract	Introduction: Atypical femoral fractures (AFFs) are associated with delayed union and higher reoperation rates. Axial dynamization of intramedullary nails is hypothesized to reduce time-to-union (TTU) and fixation failure as compared to static locking. Methods: Consecutive acutely displaced AFFs fixed with long intramedullary nails across five centres between 2006 and 2021 with a minimum postoperative follow-up of three months were retrospectively reviewed. The primary outcome was TTU, compared between AFFs treated with dynamically or statically locked intramedullary nails. Fracture union was defined as a modified Radiographic Union Score for Tibial fractures score of 13 or greater. Secondary outcomes involved revision surgery and treatment failure, defined as non-union beyond 18 months or revision internal fixation for mechanical reasons. Results: A total of 236 AFFs (127 dynamically locked and 109 statically locked) were analysed with good interobserver reliability of fracture union assessment (intraclass correlation coefficient = 0.89; 95% CI = 0.82-0.98). AFFs treated with dynamized nails had significantly shorter median TTU (10.1 months; 95% CI = 9.24-10.96 vs 13.0 months; 95% CI = 10.60-15.40) (log-rank test, p = 0.019). Multivariate Cox regression revealed that dynamic locking was independently associated with greater likelihood of fracture union within 24 months (p = 0.009). Reoperations were less frequent in the dynamic locking group (18.9% vs 28.4%), although the difference was not statistically significant (p = 0.084). Static locking was an independent risk factor for reoperation (p = 0.049), as were varus reduction and lack of teriparatide use within three months of surgery. Static locking also demonstrated a higher frequency of treatment failure (39.4% vs 22.8%, p = 0.006) and was an independent predictor of treatment failure in logistic regression (p = 0.018). Other factors associated with treatment failure included varus reduction and open reduction. Conclusions: Dynamic locking of intramedullary nails in AFFs is associated with faster time to union, lower rate of non-union, and fewer treatment failures.
Mesh-Begriff(e)	Humans ; Reoperation ; Follow-Up Studies ; Retrospective Studies ; Treatment Outcome ; Reproducibility of Results ; Bone Nails ; Fracture Fixation, Intramedullary ; Femoral Fractures/diagnostic imaging ; Femoral Fractures/surgery
Sprache	Englisch
Erscheinungsdatum	2023-06-21
Erscheinungsland	Netherlands
Dokumenttyp	Journal Article
ZDB-ID	218778-4
ISSN	1879-0267 ; 0020-1383
ISSN (online)	1879-0267
ISSN	0020-1383
DOI	10.1016/j.injury.2023.110909
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

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Artikel: What every orthopaedic surgeon should know about COVID-19: A review of the current literature

Yung, Colin Shing-Yat / Fok, Kevin Chi Him / Leung, Ching Ngai / Wong, Yat Wa

J Orthop Surg (Hong Kong)

Abstract	The coronavirus (COVID-19) pandemic has severely affected the medical community and stopped the world in its tracks. This review aims to provide the basic information necessary for us, orthopaedic surgeons to prepare ourselves to face this pandemic together. Herein, we cover the background of COVID-19, presentation, investigations, transmission, infection control and touch upon emerging treatments. It is of paramount importance that we should stay vigilant for our patients, our families and ourselves. Adequate infection control measures are necessary during day-to-day clinical work.
Schlagwörter	covid19
Verlag	WHO
Dokumenttyp	Artikel
Anmerkung	WHO #Covidence: #32406305
Datenquelle	COVID19

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Artikel ; Online: What every orthopaedic surgeon should know about COVID-19

Yung, Colin Shing-Yat / Fok, Kevin Chi Him / Leung, Ching Ngai / Wong, Yat Wa

Journal of Orthopaedic Surgery

A review of the current literature

2020 Band 28, Heft 2, Seite(n) 230949902092349

Abstract	The coronavirus (COVID-19) pandemic has severely affected the medical community and stopped the world in its tracks. This review aims to provide the basic information necessary for us, orthopaedic surgeons to prepare ourselves to face this pandemic together. Herein, we cover the background of COVID-19, presentation, investigations, transmission, infection control and touch upon emerging treatments. It is of paramount importance that we should stay vigilant for our patients, our families and ourselves. Adequate infection control measures are necessary during day-to-day clinical work.
Schlagwörter	Surgery ; covid19
Sprache	Englisch
Verlag	SAGE Publications
Erscheinungsland	us
Dokumenttyp	Artikel ; Online
ZDB-ID	2128854-9
ISSN	2309-4990 ; 1022-5536
ISSN (online)	2309-4990
ISSN	1022-5536
DOI	10.1177/2309499020923499
Datenquelle	BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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Artikel ; Online: Unicompartmental knee arthroplasties in Hong Kong: 15 years of experience in a teaching hospital.

Yung, Colin Shing-Yat / Cheung, Man Hong / Fu, Henry Chun Him / Chan, Ping Keung / Yan, Chun Hoi / Chiu, Kwong Yuen

Journal of orthopaedic surgery (Hong Kong)

2018 Band 27, Heft 2, Seite(n) 2309499019850364

Abstract: Introduction: Osteoarthritis (OA) of the knee is a growing problem in an aging population. Unicompartmental knee arthroplasties (UKA) have been used for management of isolated OA of the medial tibiofemoral joint. This is the first study on the usage of ... ...

Abstract	Introduction: Osteoarthritis (OA) of the knee is a growing problem in an aging population. Unicompartmental knee arthroplasties (UKA) have been used for management of isolated OA of the medial tibiofemoral joint. This is the first study on the usage of UKA in Hong Kong. Methods: Retrospective analysis of all patients undergoing medial compartment UKA in a tertiary referral center since 2003. Preoperative and postoperative International Knee Society Knee Scores (KSKS) and Knee Societal Functional Assessment (KSFA) scores, range of motion, flexion deformity, and lower limb mechanical alignment were measured. Statistical analysis using paired sample t-tests was performed. Revision operations, rate of revisions, and causes of failure were analyzed. Univariate and multivariate logistic regression analyses of risk factors for revision operation were performed against patient demographics, type of prosthesis, postoperative alignment, and degree of correction. Results: There were 94 UKA performed with an average follow-up of 4.3 years (range: 0.5-15.2 years). The KSKS and KSFA scores improved from 54.5 and 54.0 to 85.6 and 64.5 ( p < 0.01), respectively. There was no significant improvement in the range of motion ( p = 0.87) and fixed flexion deformity ( p = 0.14). Mechanical alignment improved from 172.1° to 174.9° varus postoperatively ( p < 0.01). Six cases required revision operation with a revision rate of 1.50 per 100 observed component years. Causes of revision included two cases of tibial tray loosening and one case each of progressive OA, mechanical failure, persistent pain, and infection. Logistic regression analysis for risk factors showed no statistical significance. Conclusions: UKA offers good functional improvement but further long-term studies are required to evaluate survivorship.
Mesh-Begriff(e)	Aged ; Aged, 80 and over ; Arthroplasty, Replacement, Knee/methods ; Female ; Follow-Up Studies ; Forecasting ; Hong Kong/epidemiology ; Hospitals, Teaching ; Humans ; Incidence ; Knee Joint/diagnostic imaging ; Knee Joint/physiopathology ; Knee Joint/surgery ; Male ; Middle Aged ; Osteoarthritis, Knee/diagnosis ; Osteoarthritis, Knee/epidemiology ; Osteoarthritis, Knee/surgery ; Postoperative Period ; Radiography ; Range of Motion, Articular ; Retrospective Studies ; Treatment Outcome
Sprache	Englisch
Erscheinungsdatum	2018-08-21
Erscheinungsland	England
Dokumenttyp	Journal Article ; Multicenter Study
ZDB-ID	1493368-8
ISSN	2309-4990 ; 1022-5536
ISSN (online)	2309-4990
ISSN	1022-5536
DOI	10.1177/2309499019850364
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

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