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Article ; Online: Longitudinal Tear of the Central Slip Causing Painful and Unusual Snapping of the Finger: A Case Report.

Chan, Peter Y W / Tan, Virak

2022 Volume 18, Issue 1, Page(s) NP1–NP4

Abstract: The most common cause for catching or snapping in the finger is stenosing tenosynovitis, that is, trigger finger. Although less common, snapping can also occur as a result of extensor mechanism injury. Among these injuries, sagittal band rupture is most ... ...

Abstract	The most common cause for catching or snapping in the finger is stenosing tenosynovitis, that is, trigger finger. Although less common, snapping can also occur as a result of extensor mechanism injury. Among these injuries, sagittal band rupture is most common and leads to snapping at the metacarpophalangeal joint. Snapping at the proximal interphalangeal (PIP) joint is rare with only 4 reported cases; reported mechanisms of PIP joint snapping include retinacular ligament injury or tendon impingement. We present a unique case of painful finger snapping at the PIP joint as a result of longitudinal tear of the central slip, leading to sudden subluxation of one-half of the central slip and conjoint lateral band with flexion of the PIP joint.
MeSH term(s)	Humans ; Fingers/surgery ; Finger Injuries/complications ; Finger Injuries/surgery ; Tendons ; Joint Dislocations ; Lacerations
Language	English
Publishing date	2022-03-30
Publishing country	United States
Document type	Case Reports ; Journal Article
ZDB-ID	2277325-3
ISSN	1558-9455 ; 1558-9447
ISSN (online)	1558-9455
ISSN	1558-9447
DOI	10.1177/15589447221081876
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Article: Advanced Paternal Age and Future Generations.

Chan, Peter T K / Robaire, Bernard

Frontiers in endocrinology

2022 Volume 13, Page(s) 897101

Abstract: Paternal age at conception has been increasing. In this review, we first present the results from the major mammalian animal models used to establish that increasing paternal age does affect progeny outcome. These models provide several major advantages ... ...

Abstract	Paternal age at conception has been increasing. In this review, we first present the results from the major mammalian animal models used to establish that increasing paternal age does affect progeny outcome. These models provide several major advantages including the possibility to assess multi- transgenerational effects of paternal age on progeny in a relatively short time window. We then present the clinical observations relating advanced paternal age to fertility and effects on offspring with respect to perinatal health, cancer risk, genetic diseases, and neurodevelopmental effects. An overview of the potential mechanism operating in altering germ cells in advanced age is presented. This is followed by an analysis of the current state of management of reproductive risks associated with advanced paternal age. The numerous challenges associated with developing effective, practical strategies to mitigate the impact of advanced paternal age are outlined along with an approach on how to move forward with this important clinical quandary.
MeSH term(s)	Animals ; Female ; Pregnancy ; Family ; Fertility ; Mammals ; Paternal Age ; Social Responsibility ; Male ; Models, Animal
Language	English
Publishing date	2022-06-09
Publishing country	Switzerland
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Review
ZDB-ID	2592084-4
ISSN	1664-2392
ISSN	1664-2392
DOI	10.3389/fendo.2022.897101
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Article: Synostosis of the interphalangeal joint: an uncommon cause of post-fracture digital stiffness.

Chan, Peter Y W / Chan, Peter S H

Case reports in plastic surgery & hand surgery

2021 Volume 8, Issue 1, Page(s) 93–97

Abstract: Loss of motion and stiffness after fracture of the digits are most commonly a result of soft tissue contracture and adhesions. However, stiffness can also have a bony etiology. We present a case of synostosis of the thumb interphalangeal joint after non- ... ...

Abstract	Loss of motion and stiffness after fracture of the digits are most commonly a result of soft tissue contracture and adhesions. However, stiffness can also have a bony etiology. We present a case of synostosis of the thumb interphalangeal joint after non-operative treatment of a closed fracture.
Language	English
Publishing date	2021-06-14
Publishing country	United States
Document type	Case Reports
ISSN	2332-0885
ISSN	2332-0885
DOI	10.1080/23320885.2021.1935966
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Article ; Online: Continuous Passive Elongation Through an External Fixator: A Versatile and Beneficial Adjunct Technique to Treat Severe and Recurrent Cases of Dupuytren Contracture.

Chan, Peter Yw / Marcus, Alexander / Tan, Virak

Techniques in hand & upper extremity surgery

2023 Volume 27, Issue 2, Page(s) 125–130

Abstract: Dupuytren disease and its associated digit contracture often negatively impact the quality of life for patients. Severe cases of Dupuytren contracture and symptom recurrence are both difficult for hand surgeons to treat. Improved treatment options are ... ...

Abstract	Dupuytren disease and its associated digit contracture often negatively impact the quality of life for patients. Severe cases of Dupuytren contracture and symptom recurrence are both difficult for hand surgeons to treat. Improved treatment options are therefore needed. One method is continuous passive elongation (CPE). In CPE, a device is affixed to the digit, which applies a continuous extending force to pull the affected finger out of flexion. Multiple external fixators used to induce CPE have been reported. However, a low-profile, hand-specific external fixator, the DigiFix, provides benefits over previously reported devices. We present the technique of CPE using DigiFix as a beneficial and versatile adjunct treatment for severe and recurrent cases of Dupuytren contracture.
MeSH term(s)	Humans ; Dupuytren Contracture/surgery ; Quality of Life ; Neoplasm Recurrence, Local ; Fingers ; External Fixators ; Treatment Outcome
Language	English
Publishing date	2023-06-01
Publishing country	United States
Document type	Journal Article
ZDB-ID	2075789-X
ISSN	1531-6572 ; 1089-3393
ISSN (online)	1531-6572
ISSN	1089-3393
DOI	10.1097/BTH.0000000000000422
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Zs.A 5635: Show issues

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Article ; Online: Glucagon-like Peptide-1 Agonists: What the Orthopaedic Surgeon Needs to Know.

Chan, Peter Y W / Mika, Aleksander P / Martin, J Ryan / Wilson, Jacob M

JBJS reviews

2024 Volume 12, Issue 1

Abstract: Orthopaedic surgeons are increasingly likely to encounter patients with obesity and/or type 2 diabetes taking glucagon-like peptide-1 (GLP-1) agonists for weight loss.» GLP-1 agonists are an effective treatment for weight loss with semaglutide and ... ...

Abstract	» Orthopaedic surgeons are increasingly likely to encounter patients with obesity and/or type 2 diabetes taking glucagon-like peptide-1 (GLP-1) agonists for weight loss.» GLP-1 agonists are an effective treatment for weight loss with semaglutide and tirzepatide being the most effective agents. Randomized controlled trials using these agents have reported weight loss up to 21 kg (46 lb).» The use of GLP-1 agonists preoperatively can improve glycemic control, which can potentially reduce the risk of postoperative complications. However, multiple cases of intraoperative aspiration/regurgitation have been reported, potentially related to the effect of GLP-1 agonists on gastric emptying.» While efficacious, GLP-1 agonists may not produce sufficient weight loss to achieve body mass index cutoffs for total joint arthroplasty depending on individual patient factors, including starting bodyweight. Multifactorial approaches to weight loss with focus on lifestyle modification in addition to GLP-1 agonists should be considered in such patients.» Although GLP-1 agonists are efficacious agents for weight loss, they may not be accessible or affordable for all patients. Each patient's unique circumstances should be considered when creating an ideal weight loss plan during optimization efforts.
MeSH term(s)	Humans ; Arthroplasty ; Diabetes Mellitus, Type 2/complications ; Diabetes Mellitus, Type 2/drug therapy ; Orthopedic Surgeons ; Weight Loss ; Glucagon-Like Peptide-1 Receptor Agonists/therapeutic use
Chemical Substances	semaglutide (53AXN4NNHX) ; Glucagon-Like Peptide-1 Receptor Agonists
Language	English
Publishing date	2024-01-05
Publishing country	United States
Document type	Journal Article
ISSN	2329-9185
ISSN (online)	2329-9185
DOI	e23.00167
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Article ; Online: Long-term Efficacy of Corticosteroid Injection for Carpal Tunnel Syndrome: A Systematic Review.

Chan, Peter Y W / Santana, Adrian / Alter, Todd / Shiffer, Matthew / Kalahasti, Srikaran / Katt, Brian M

Hand (New York, N.Y.)

2024 , Page(s) 15589447231222320

Abstract: Carpal tunnel syndrome (CTS) is a debilitating condition that can cause significant morbidity. Corticosteroid injection (CI) is a popular treatment for CTS. Short-term benefits of CI for CTS have been reported, but there is little evidence on long-term ... ...

Abstract	Carpal tunnel syndrome (CTS) is a debilitating condition that can cause significant morbidity. Corticosteroid injection (CI) is a popular treatment for CTS. Short-term benefits of CI for CTS have been reported, but there is little evidence on long-term outcomes. We performed a systematic review in the PubMed/MEDLINE and Cochrane Library databases to identify studies which reported outcomes of CI for CTS with at least 1-year follow-up. We identified 20 total studies and extracted data on outcomes such as number of patients needing eventual surgery or reinjection, complications, and functional scores. In included studies, 41.6% of patients underwent eventual carpal tunnel release surgery (CTRS), 29% underwent reinjection, there were no major and approximately 34/1133 (3.0%) minor complications, and median/mean time from CI to eventual CTRS ranged from 128 to 446 days. There was disparity on the long-term efficacy of CI for functional outcomes. The evidence indicates that CI is a very low risk procedure that has potential to improve symptoms enough to either prevent or, in most cases, delay the need for further reintervention. However, our conclusions are limited by the heterogeneity of available studies. There is a need for further, high-quality research on this topic.
Language	English
Publishing date	2024-01-19
Publishing country	United States
Document type	Journal Article ; Review
ZDB-ID	2277325-3
ISSN	1558-9455 ; 1558-9447
ISSN (online)	1558-9455
ISSN	1558-9447
DOI	10.1177/15589447231222320
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Zs.A 6820: Show issues

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Article ; Online: Cadaver Study on Transoral Thyroid Chondrolaryngoplasty and Transoral Sistrunk Operation, Possibility from Transoral Thyroidectomy.

Li, Hok Nam / Chan, Peter Wing Hong / Tong, Michael Chi Fai

World journal of surgery

2023 Volume 47, Issue 10, Page(s) 2474–2478

Abstract: Objective: Transoral approaches in surgery are gaining global popularity. Transoral endoscopic and robotic thyroidectomies are well established due to the benefit of being truly scarless. Thyroid chondrolaryngoplasty reduces protrusion of the thyroid ... ...

Abstract	Objective: Transoral approaches in surgery are gaining global popularity. Transoral endoscopic and robotic thyroidectomies are well established due to the benefit of being truly scarless. Thyroid chondrolaryngoplasty reduces protrusion of the thyroid notch in transgender patients. The Sistrunk operation involves removal of the thyroglossal cyst and the central portion of the hyoid bone. In this cadaveric study, we developed a transoral thyroidectomy approach and assessed the feasibility of applying this technique to thyroid chondrolaryngoplasty and Sistrunk operation with the proper usage of a special endoscopic burr. Methods: We performed surgery using the transoral vestibular approach with 13 fresh-frozen human cadavers. Unlike transoral thyroid surgery, which requires high-resolution detailed anatomical view, this technique uses a 5-mm 30-degree endoscope with a 5-mm central port. A smaller central port can reduce the risk of mental nerve paresthesia. A special endoscopic burr for functional endoscopic sinus surgery is used to thin the thyroid notch cartilage and cut the central portion of the hyoid bone. Results: We successfully performed transoral thyroid chondrolaryngoplasty and transoral Sistrunk operation in 13 cadavers. Conclusion: Transoral chondrolaryngoplasty and transoral Sistrunk operation are feasible for transgender or thyroglossal cyst patients. It offers the additional benefit of being a scarless surgery and could play a promising role in minimally invasive thyroid surgeries. Proper use of an endoscopic drilling burr to thin thyroid notch cartilage and cutting the central portion of the hyoid bone can make transoral thyroid chondrolaryngoplasty and transoral Sistrunk operation safe and feasible .
MeSH term(s)	Humans ; Thyroidectomy/methods ; Thyroid Gland/surgery ; Thyroglossal Cyst/surgery ; Endoscopy/methods ; Cadaver ; Natural Orifice Endoscopic Surgery/methods
Language	English
Publishing date	2023-07-24
Publishing country	United States
Document type	Journal Article
ZDB-ID	224043-9
ISSN	1432-2323 ; 0364-2313
ISSN (online)	1432-2323
ISSN	0364-2313
DOI	10.1007/s00268-023-07091-5
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Zs.A 1336: Show issues

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Article ; Online: Personal belief on elastic tape and tape tension affect perceived performance, but not muscle activity and endurance.

Lam, Jacky / Chan, Peter / Constantinou, Maria / Cheung, Roy T H

Physiotherapy theory and practice

2023 , Page(s) 1–7

Abstract: Background: Previous studies reported inconsistent outcomes on elastic taping for three potential reasons: 1) poor control of placebo effect; 2) no consensus regarding the optimal tape tension; and 3) lack of investigation on muscle endurance, as the ... ...

Abstract	Background: Previous studies reported inconsistent outcomes on elastic taping for three potential reasons: 1) poor control of placebo effect; 2) no consensus regarding the optimal tape tension; and 3) lack of investigation on muscle endurance, as the proposed tape recoiling force may not promote peak force generation but exert a consistently low force and improve submaximal contraction. Purpose: This study compared the effects of elastic tape and its tension on muscle activity and endurance in people with extremely positive and negative personal belief on elastic tape. Methods: Using a validated instrument, we identified 20 participants with extremely positive personal belief on elastic tape (+ belief), and 20 with extremely negative personal belief (- belief). They performed wrist isometric endurance tests under three taping conditions (i.e. no tape, 50%, and 100% tension). We measured isometric wrist extensor muscle endurance, electromyography muscle activity, and self-perceived performance for each condition. Results: The differences between the two groups in isometric muscle endurance (p = .85) and muscle activity (p = .53) were not statistically significant, regardless of tape conditions. However, participants with + belief reported better perceived performance than those with - belief (p < .001, partial eta squared = 0.70). Specifically, 100% tape tension yielded stronger self-perceived performance than 50% tension (Cohen's d = 0.91) and no tape (Cohen's d = 1.86). On the other hand, participants with - belief perceived similar performance across tape tensions (p = .55). Conclusion: Elastic tape does not modulate muscle activity and enhance muscle endurance. People with a strong positive personal belief on elastic tape may perceive a better performance with a greater tape tension.
Language	English
Publishing date	2023-02-03
Publishing country	England
Document type	Journal Article
ZDB-ID	1045333-7
ISSN	1532-5040 ; 0959-3985
ISSN (online)	1532-5040
ISSN	0959-3985
DOI	10.1080/09593985.2023.2172703
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Zs.A 2190: Show issues

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Article: UPDATE - 2022 Canadian Urological Association best practice report: Vasectomy.

Zini, Armand / Grantmyre, John / Chow, Victor / Chan, Peter

Canadian Urological Association journal = Journal de l'Association des urologues du Canada

2022 Volume 16, Issue 5, Page(s) E231–E236

Language	English
Publishing date	2022-05-11
Publishing country	Canada
Document type	Journal Article
ZDB-ID	2431403-1
ISSN	1911-6470
ISSN	1911-6470
DOI	10.5489/cuaj.7860
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Article: Playing coding games to learn computational thinking: What motivates students to use this tool at home?

Zhang, Shuhan / Wong, Gary K W / Chan, Peter C F

Education and information technologies

2022 Volume 28, Issue 1, Page(s) 193–216

Abstract: Coding games are widely used to teach computational thinking (CT). Studies have broadly investigated the role of coding games in supporting CT learning in formal classroom contexts, but there has been limited exploration of their use in informal home- ... ...

Abstract	Coding games are widely used to teach computational thinking (CT). Studies have broadly investigated the role of coding games in supporting CT learning in formal classroom contexts, but there has been limited exploration of their use in informal home-based settings. This study investigated the factors that motivated students to use a coding game called Coding Galaxy in a home-based setting. It explored the connections between the students' perceptions of and usage of the tool. An 11-day intervention was conducted at a primary school in Hong Kong with 104 participants. The students' perceptions of the game were collected via questionnaires and information on their use of the tool was extracted from log files. Results indicated that
Language	English
Publishing date	2022-06-27
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	2001930-0
ISSN	1573-7608 ; 1360-2357
ISSN (online)	1573-7608
ISSN	1360-2357
DOI	10.1007/s10639-022-11181-7
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