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Teoh Ryan Liang Wei,Fong Pei Yuan,Cai Elijah Zhengyang,Yap Yan Lin,Hing Eileen Chor Hoong,Lee Han Jing,Nallathamby Vigneswaran,Ong Wei Chen,Lim Jane,Sundar Gangadhara,Lim Thiam Chye 대한성형외과학회 2022 Archives of Plastic Surgery Vol.49 No.1
Nasolacrimal duct (NLD) damage is associated in the majority of type II and III naso-orbito-ethmoid (NOE) fractures.1 Our study aims to investigate the efficacy and safety of prophylactic NLD intubation in the setting of facial fractures, by comparing incidence of postoperative epiphora and wound infection. A retrospective matched control study was conducted on all patients with surgically treated facial fractures from 2008 to 2013 (n = 280) (IRB ref number: DSRB 2013/01198). Patients with the following fracture types were included: NOE (n = 16), frontal sinus (n = 2), Le Fort II/III (n = 8), and > 1 type (n = 48). All patients in this study were included with the intention to treat. The study group comprised patients who were intubated, while the control group patients were not intubated. Each group had 37 patients matched for age, gender, fracture type, and injury type. A single oculoplastic surgeon skilled in lacrimal surgery performed the procedure for all intubated patients. Patients with more severe and complex facial fractures were intubated with bicanalicular Crawford stents. Postoperative epiphora and infective complications (both facial wound and dacryocystitis) were assessed at 1, 3, 6, and 12 months. There was no significant difference in incidence of either postoperative epiphora (p = 0.152) or wound infection (p = 0.556) comparing both groups. Reduced incidence of postoperative epiphora in the study group is statistically not significant and does not support the need for prophylactic intubation. If radiographic evidence of NLD disruption or regurgitation seen on syringing on the NLD intraoperatively is present, intubation is safe and efficacious only if performed by an expert.
Error Correction Codes for Biometric Cryptosystem: An Overview
Teoh, Andrew Beng Jin,Kim, Jaihie The Korea Institute of Information and Commucation 2015 정보와 통신 Vol.32 No.6
In cryptographic applications, the key protection is either knowledge-based (passwords) or possession-based (tamper-proof device). Unfortunately, both approaches are easily forgotten or stolen, thus introducing various key management issues. By incorporating biometrics technologies which utilize the uniqueness of personal characteristics, the security of cryptosystems could be strengthened as authentication now requires the presence of the user. Biometric Cryptosystem (BC) encompasses the design of cryptographic keys protection methods by incorporating biometrics. BC involves either key-biometrics binding or direct key generation from biometrics. However, the wide acceptance and deployment of BC solutions are constrained by the fuzziness related with biometric data. Hence, error correction codes (ECCs) should be adopted to ensure that fuzziness of biometric data can be alleviated. In this overview paper, we present such ECC solutions used in various BCs. We also delineate on the important facts to be considered when choosing appropriate ECCs for a particular biometric based solution from accuracy performance and security perspectives.
Acute Generalized Exanthematous Pustulosis Caused by Daptomycin
Teoh Yee Leng,Mark Koh Jean Aan,Michelle Chan,Liu Tsun Tsien 대한피부과학회 2011 Annals of Dermatology Vol.23 No.-
Daptomycin, a lipopeptide antibiotic with similar action as vancomycin, is used to treat complicated skin and soft tissue infections caused by resistant Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus, penicillin-resistant streptococci, and vancomycin-resistant enterococci. Acute generalized exanthematous pustulosis (AGEP),characterized by acute onset of numerous sterile, nonfollicular pinhead sized pustules, is common secondary to drugs, in particular, antibiotics. We present the first case of AGEP following the use of daptomycin. (Ann Dermatol 23(S3) S288∼S289, 2011)
Teoh, J.C.,Lee, D.Y.,Lee, T. Pergamon Press ; Elsevier Science Ltd 2016 Journal of biomechanics Vol.49 No.13
Foot abnormality has become a public health concern. Early detection of pathological soft tissue is therefore an important preventive measure, especially in older people who generally have a higher risk of foot pathology. However, the interpretation of plantar tissue stiffness data - whether to normalize the data or to separate the data on the basis of sex- remains questionable. The objective of this study was to assess the influence of sex and physical attributes such as body mass (BM) and body mass index (BMI) on plantar soft-tissue stiffness, and to evaluate whether it is necessary to isolate the differences in sex, BM and BMI in the data analysis. One hundred healthy subjects in their 60s were recruited for the experiment. Localized force response was obtained underneath the second metatarsal head (MTH) pad at three different dorsiflexion angles of 0<SUP>o</SUP>, 20<SUP>o</SUP>, 40<SUP>o</SUP> and the hallux and heel at 0<SUP>o</SUP>. No significant relationship was found between the independent variables and plantar stiffness. From the experimental results, it can be deduced that BM and BMI are weakly associated with plantar tissue stiffness, and that there is no significant difference in stiffness between male and female participants. No difference was found between left and right foot measurements. This suggests that normalizing of plantar tissue stiffness by BM and BMI is not necessary in healthy people in their 60s. The data can be pooled and treated equally regardless of sex.
Case Reports : Acute Generalized Exanthematous Pustulosis Caused by Daptomycin
( Teoh Yee Leng ),( Mark Koh Jean Aan ),( Michelle Chan ),( Liu Tsun Tsien ) 대한피부과학회 2011 Annals of Dermatology Vol.23 No.3s
Daptomycin, a lipopeptide antibiotic with similar action as vancomycin, is used to treat complicated skin and soft tissue infections caused by resistant Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus, penicillin-resistant streptococci, and vancomycin-resistant enterococci. Acute generalized exanthematous pustulosis (AGEP), characterized by acute onset of numerous sterile, non- follicular pinhead sized pustules, is common secondary to drugs, in particular, antibiotics. We present the first case of AGEP following the use of daptomycin. (Ann Dermatol 23(S3) S288~S289, 2011)