1.The in vivo rodent micronucleus assay of Kacip Fatimah (Labisia pumila) extract.
Shahrim Zaizuhana ; M B Puteri J Noor ; Yahya Noral'ashikin ; Hussin Muhammad ; A B Rohana ; I Zakiah
Tropical biomedicine 2006;23(2):214-9
Kacip Fatimah also known as Labisia pumila (Myrsinaceae), is a traditional herbal medicine with a long history in the Malay community. It has been used by many generations of Malay women to induce and facilitate childbirth as well as a post-partum medicine. We tested the genotoxic potential of Kacip Fatimah in bone marrow cells obtained from Sprague-Dawley rats using micronuclei formation as the toxicological endpoints. Five groups of five male rats each were administered orally for two consecutive days with doses of 100, 700 and 2000 mg/kg body weight of Kacip Fatimah extract dissolved in distilled water. Micronucleus preparation was obtained from bone marrow cells of the animals following standard protocols. No statistically significant increase in micronucleated polychromatic erythrocytes (MNPCEs) was observed at any dose level and sacrifice/harvest time point (24, 48 and 72h). However, a significant decrease in polychromatic erythrocytes/normochromatic erythrocytes (PCE:NCE) ratio was observed from the highest dose level (2000 mg/kg of body weight) at 48h harvest time point. In this study, we investigated the effect of Kacip Fatimah on mammalian bone marrow cells using micronuclei formation to assess the genotoxicity of the herb.
Micronuclei
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Erythrocytes
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Bone Marrow
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in vivo
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assay
2.A quality assurance study on the administration of medication by nurses in a neonatal intensive care unit.
R J Raja LOPE ; N Y BOO ; J ROHANA ; F C CHEAH
Singapore medical journal 2009;50(1):68-72
INTRODUCTIONThis study aimed to determine the rates of non-adherence to standard steps of medication administration and medication administration errors committed by registered nurses in a neonatal intensive care unit before and after intervention.
METHODSA baseline assessment of compliance with ten standard medication administration steps by neonatal intensive care unit nurses was carried out over a two-week period. Following this, a re-education programme was launched. Three months later, they were re-assessed similarly.
RESULTSThe baseline assessment showed that the nurses did not carry out at least one of the ten standard administrative steps during the administration of 188 medication doses. The most common steps omitted were having another nurse to witness drug administration (95 percent); labelling of individual medication prepared prior to administration (88 percent), checking prescription charts against patients' identification prior to administration (85 percent) and visually inspecting a patient's identification tag (71 percent) . Medication administration errors occurred in 31 percent (59/188) of doses administered, all due to imprecise timing of medication administration. There were no resultant adverse outcomes. Following implementation of remedial measures, there was a significant reduction in non-adherence of seven of the ten medication administration steps and the rate of medication administration errors (p-value is less than 0.001). However, in 94 percent of doses administered, the nurses still did not get a witness to countercheck calculations of drug dosages before administration.
CONCLUSIONNon-compliance with the standard practice of medication administration by nurses is common but can be improved by continuing re-education and monitoring, plus the implementation of a standard operating procedure.
Chi-Square Distribution ; Guideline Adherence ; Humans ; Infant, Newborn ; Inservice Training ; Intensive Care Units, Neonatal ; Medication Errors ; prevention & control ; Nurses ; Pharmaceutical Preparations ; administration & dosage ; Quality Assurance, Health Care
3.Maternal Obesity and Its Associated Factors and Outcomes in Klang Valley, Malaysia: Finding from National Obstetric Registry
Rohana Abdul Jalil ; Nurul Farehah Shahrir ; J. Ravichandran R Jeganathan ; Shamala Devi Karalasingam ; Noraihan Mohd Nordin ; Mohamad Farouk Abdullah ; Nadiah Sa&rsquo ; at
Malaysian Family Physician 2021;16(3):56-67
Introduction: Maternal obesity presents significant health risks to mothers and their fetuses. This study aimed to determine the proportion, associated factors and outcomes of maternal obesity among pregnant women in Klang Valley, Malaysia.
Methods: A retrospective cross-sectional study was conducted between January 2018 and March 2018 using secondary data from the Malaysian National Obstetric Registry (NOR) for the year 2015. All pregnant women with first-trimester booking at 12 weeks and below that were registered with the NOR and met the inclusion and exclusion criteria were included in the study. Descriptive statistics and multiple logistic regression analysis were used. Data were analysed using SPSS version 22.0. A total of 2113 respondents were included in this study to determine the proportion, associated factors and outcomes of maternal obesity. Regarding the univariate and multivariate analyses, respondents were classified into two groups: normal and obese. The obese group comprised overweight and obese mothers. The underweight group was excluded in the subsequent analysis.
Results: Out of the 2113 respondents, 7.1% were underweight, 41.7% were of normal weight, 28.6% were overweight, 15.9% were in obese class I, 4.6% were in obese class II, and 2.1% were in obese class III according to the WHO (1995) reference. However, when the MOH (2003) cutoff point was used, there was a marked increase in the proportion of respondents in the overweight categories by 2.7% and obesity class I by 12.8%. The Indian (AdjOR 2.06, 95% CI: 1.11, 3.83, p=0.021) and Malay (AdjOR 1.75, 95% CI: 1.02, 3.00, p=0.040) ethnicities, as well as both multiparity (AdjOR 1.46, 95% CI: 1.23, 1.73, p <0.001) and grand multiparity (AdjOR 2.41, 95% CI: 1.78, 3.26, p <0.001), were significantly associated with maternal obesity. There were significant association between maternal obesity with hypertensive disorder in pregnancy (p=0.025), caesarean section delivery (p=0.002) and macrosomic infant (p <0.001).
Conclusion: The identification of risk factors for maternal obesity is important to facilitate intervention programmes focused on improving the pregnancy outcomes for a high-risk group of women.
4.Classical natural ovine scrapie prions detected in practical volumes of blood by lamb and transgenic mouse bioassays.
Rohana P DASSANAYAKE ; Thomas C TRUSCOTT ; Dongyue ZHUANG ; David A SCHNEIDER ; Sally A MADSEN-BOUTERSE ; Alan J YOUNG ; James B STANTON ; William C DAVIS ; Katherine I O'ROURKE
Journal of Veterinary Science 2015;16(2):179-186
Scrapie is diagnosed antemortem in sheep by detecting misfolded isoforms of prion protein (PrP(Sc)) in lymphoid follicles of the rectal mucosa and nictitating membranes. Assay sensitivity is limited if (a) the biopsy is collected early during disease development, (b) an insufficient number of follicles is collected, or (c) peripheral accumulation of PrP(Sc) is reduced or delayed. A blood test would be convenient for mass live animal scrapie testing. Currently approved techniques, however, have their own detection limits. Novel detection methods may soon offer a non-animal-based, rapid platform with detection sensitivities that rival the prion bioassay. In anticipation, we sought to determine if diseased animals could be routinely identified with a bioassay using B lymphocytes isolated from blood sample volumes commonly collected for diagnostic purposes in small ruminants. Scrapie transmission was detected in five of six recipient lambs intravenously transfused with B lymphocytes isolated from 5~10 mL of blood from a naturally scrapie-infected sheep. Additionally, scrapie transmission was observed in 18 ovinized transgenic Tg338 mice intracerebrally inoculated with B lymphocytes isolated from 5~10 mL of blood from two naturally scrapie-infected sheep. Based on our findings, we anticipate that these blood sample volumes should be of diagnostic value.
Animals
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B-Lymphocytes/*pathology
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Biological Assay/*veterinary
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Mice
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Mice, Transgenic
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Prions/*blood
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Scrapie/blood/*diagnosis/transmission
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Sheep