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1.
Med Sci Educ ; 31(1): 197-201, 2021 Feb.
Article in English | MEDLINE | ID: mdl-33133758

ABSTRACT

Medical students were temporarily removed from direct patient contact activities during the COVID-19 pandemic, shortening the duration of ward-based attachment programs. Web-based workshops were organized to equip final year medical students with necessary skills to start work in a general medicine setting. Topics included case-based scenarios reviewing patients with new complaints, medical documentation, and inter-professional communication. They were conducted using an online video conference platform and utilized polling platforms, small group discussions, and the "Chat" function to promote interactivity. Web-based learning enables delivery of useful contents without compromising interactivity and clinical applicability during the COVID-19 pandemic.

2.
Pediatr Neonatol ; 61(4): 385-392, 2020 08.
Article in English | MEDLINE | ID: mdl-32276768

ABSTRACT

BACKGROUND: Congenital diaphragmatic hernia (CDH) is a common birth defect associated with significant mortality and morbidity. There is limited outcome data on CDH in the Southeast Asian region. Rapid accessibility to our CDH Perinatal Center, as a consequence of the small geographic size of our country and efficient land transportation system, has largely eliminated deaths of live outborn babies prior arrival at our center. We selected a study period when extracorporeal membrane oxygenation (ECMO) support was not available at our institution. The data will therefore be relevant in developing management guidelines and antenatal counselling for perinatal centers in this region managing CDH with limited resources, without ECMO facilities. METHODS: A retrospective study of antenatally or postnatally diagnosed CDH infants born between January 2002 and June 2005 was performed. We selected this study period as ECMO support was not available over this period. We studied the demographics, clinical characteristics, postnatal predictors of mortality and outcomes of CDH infants in a single tertiary institution. RESULTS: A total of 24 patients with CDH were identified. Seventy-nine percent of liveborns with CDH survived to hospital discharge. Antenatal detection rate was 83.3%. Significant postnatal predictors of mortality were preoperative pneumothorax (p = 0.035), high CRIB score (p = 0.007), low one- and five-minute Apgar score (p = 0.011, p = 0.026 respectively) and high pCO2 on initial arterial blood gas (p = 0.007). At one-year follow-up, three patients had delayed gross motor milestones which resolved subsequently. Re-admissions were required for recurrent bronchiolitis (33%) and oesophageal reflux which resolved in all cases. Two (13.3%) infants had surgical complications and needed re-admission for probable adhesive intestinal obstruction; one required adhesiolysis and the other was managed conservatively with good outcome. CONCLUSION: A single-center CDH outcome in Singapore, without ECMO use, was good. This is a cohort now with long-term survival outcome which will be valuable to the neonatology community.


Subject(s)
Hernias, Diaphragmatic, Congenital/mortality , Hernias, Diaphragmatic, Congenital/surgery , Abortion, Induced , Apgar Score , Carbon Dioxide/blood , Female , Humans , Infant, Newborn , Male , Patient Readmission , Pneumothorax/mortality , Postoperative Complications , Pregnancy , Prenatal Diagnosis/statistics & numerical data , Retrospective Studies , Singapore/epidemiology , Stillbirth
4.
Int J Pharm ; 513(1-2): 717-724, 2016 Nov 20.
Article in English | MEDLINE | ID: mdl-27686053

ABSTRACT

Conventional suppositories sometimes fail in exerting their therapeutic activity as the base materials melt inside body cavities. Also they are not suitable to provide long term treatment. Biomedical grade silicone elastomers may be used to fabricate non-dissolvable suppositories to overcome these disadvantages. We kneaded 4 analgesics into the 2 kinds of silicone polymers at 1%, 5% and 10% drug loading, respectively, to test their mechanical properties and drug release profiles. The optimized drug-polymer combinations were used to fabricate suppositories, and three dimensional printing (3DP) was used to create the suppository moulds. Subsequently, the drug release profiles and biocompatibility of the suppositories were studied. It was found that, the mechanical properties of the drug laden silicone elastomers and the rate of drug release from the elastomers can be tuned by varying drug-polymer combinations. The silicone elastomers containing 1% (w/w) and 5% (w/w) diclofenac sodium were the optimal formulations with prolonged drug release and biocompatibility at cellular level. These properties, together with complex geometries offered by 3DP technique, potentially made the non-dissolving suppositories promising therapeutic agents for personalized medicine.


Subject(s)
Printing, Three-Dimensional , Silicone Elastomers/chemistry , Suppositories/chemistry , Analgesics/chemistry , Anesthetics, Local/chemistry , Animals , Anti-Inflammatory Agents, Non-Steroidal/chemistry , Cell Line , Chemistry, Pharmaceutical , Delayed-Action Preparations/chemistry , Diclofenac/chemistry , Drug Liberation , Elastic Modulus , Ibuprofen/chemistry , Ketoprofen/chemistry , Lidocaine/chemistry , Mice , Solubility , Tensile Strength
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