Nawanto Agung Prastowo
Department Of Physiology, Faculty Of Medicine And Health Sciences, Atma Jaya Catholic University Of Indonesia, Jakarta, Indonesia

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Dark chocolate administration improves working memory in students Prastowo, Nawanto Agung; Kristanto, Samuel; Sasmita, Poppy Kristina
Universa Medicina Vol 34, No 3 (2015)
Publisher : Faculty of Medicine, Trisakti University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2015.v34.229-236

Abstract

BackgroundFlavonoids have positive effects on health, including the nervous system. High flavonoid content can be found in chocolate, especially dark chocolate. Verbal working memory is important for reasoning, language comprehension, planning, and spatial processing. The purpose of this study was to evaluate the effect of a single dose of dark and white chocolate administration on verbal working memory in medical students. MethodsA study of experimental pre-post test design with controls was conducted on 60 students. These were simply randomized into two groups: the first group was supplemented with white chocolate as control, and the second group received dark chocolate, at an identical single dose of 100 g. Working memory was measured with the digit span forwards (DSF) and the digit span backwards (DSB) tests, before, at 1 hour, and at 3 hours after intervention. Independent t and Mann-Whitney tests were used for data analysis. ResultsScores for DSF and DSB in control and treatment groups were similar at baseline. At 1 hour after dark and white chocolate administration, DSF and DSB scores were not significantly different between the two groups (p=0.832; p=0.683). Supplementation of dark chocolate at 3 hours after intervention significantly increased DSB scores compared to white chocolate (p=0.041), but DSF scores were not significantly different between the two groups (p=0.204). ConclusionsDark chocolate as a single dose is capable of improving verbal working memory in students, 3 hours after its consumption. Since cocoa contains multiple bioactive compounds, one approach might be to examine the neurocognitive effects of combinations of potential functional ingredients.
Performance of osteoporosis self-assessment tool in detecting low bone mineral density in menopausal women Haryono, Ignatio Rika; Prastowo, Nawanto Agung
Universa Medicina Vol 36, No 2 (2017)
Publisher : Faculty of Medicine, Trisakti University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2017.v36.123-130

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BackgroundThe osteoporosis self-assessment tool (OST) is a simple screening tool to assess risk of osteoporosis and to select high risk women for dual-energy x-ray absorptiometry (DXA) examination. This study aimed to evaluate OST performance in detecting low bone mineral density (BMD) in menopausal women.MethodsA cross-sectional study involving 60 menopausal women aged 50-65 years. The OST score was calculated from: [weight (kg) – age (yr)] x 0.2. Subjects were classified by OST score into low risk (OST ³2) and high risk (OST< 2) groups. BMD was determined by DXA at 3 bone locations (L1-L4, femoral neck, and total hip). DXA T-scores were categorized into: normal BMD (T-score >-1) and low BMD (T-score £-1). Independent t-test was used to compare subject characteristics between OST groups. Diagnostic performance of OST was evaluated by measuring sensitivity, specificity, positive & negative predictive value (PPV, NPV), positive & negative likelihood ratio (PLR, NLR) and receiver-operating characteristic (ROC). Significance was set at p<0.05.ResultsSubject characteristics and BMD between groups were significantly different (p<0.05). Most subjects (44/73.3%) had high risk of low BMD (OST < 2). Low BMD (T score £-1) was found in 43 subjects (71.7%) at L1-L4, 41 subjects (68.3%) at femoral neck, and 37 subjects (61.7%) at total hip. Diagnostic performance of OST was significant at total hip BMD (sensitivity=0.946, AUC=0.777).Conclusion We conclude that use of the OST score in menopausal women is effective and has adequate sensitivity and specificity. The highest diagnostic performance of OST is on total hip BMD.
Pengaruh Waktu Latihan terhadap Peningkatan Aktivitas Fibrinolisis pada Latihan Aerobik Intensitas Sedang A. Prastowo, Nawanto
Jurnal Kedokteran YARSI Vol 16, No 1 (2008): JANUARI - APRIL 2008
Publisher : Lembaga Penelitian Universitas YARSI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (200.314 KB) | DOI: 10.33476/jky.v16i1.226

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The incremental of tissue-type plasminogen activator (t-PA) level during aerobic exercise is affected by time of the day. Previous studies showed that high intensity of aerobic exercise in the afternoon increased t-PA level higher than exercise in the morning. The purpose of this study was to examine the influence of time of the day on t-PA level during moderate intensity of aerobic exercise. Subjects were 16 sedentary, aged 25-35 years, healthy untrained male, performed two sessions of static ergocycling at 65-70% heart rate maximal (220-age), both in the morning (06.30-08.30) and in the afternoon (15.00-17.00) at least on two days interval. Wilcoxon signed rank test showed t-PA level increased significantly after exercise in the morning (P=0.00) and in the afternoon (P=0.00), but showed no significant difference in the magnitude of t-PA incremental (triangle t-PA) between post-exercise in the morning and in the afternoon (P=0.14). It was concluded that time of the day did not affect the magnitude of the tPA incremental in moderate intensity of aerobic exercise.
Body Mass Index, a Body Shape Index, and Waist-to-Height Ratio in Predicting Elevated Blood Pressure Bryan Junius Winata; Veronika Maria Sidharta; Linawati Hananta; Vetinly Vetinly; Nawanto Agung Prastowo
Althea Medical Journal Vol 9, No 1 (2022)
Publisher : Faculty of Medicine Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15850/amj.v9n1.2291

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Background: One of the complications of obesity is an elevation in blood pressure  which can increase the risk of hypertension. This study aimed to explore body mass index (BMI), a body shape index (ABSI), and waist-to-height ratio (WHtR) in predicting elevated blood pressure (BP).Methods: This study was conducted in a cross-sectional design on 215 medical students from October 2019 to September 2020. Respondents measured their own weight, height, waist circumference and BP. Receiver operating characteristics (ROC) curve were analyzed using IBM SPSS v.23. Results: Of the 215 medical students who participated in this study, only 102 met the inclusion criteria. The majority of the students were female (n=71, 69.6%) with a mean age of 19.37 years, and normal blood pressure (n=90, 88.2%). Area under the ROC curve (AUC) of WHtR and ABSI were 0.774 (p-value= 0.002) and 0.766 (p-value= 0.003) respectively, which were still acceptable. However, the AUC of BMI (p-value=0.589) was 0.11, which was considered poor.Conclusion: The indicators of obesity can be used as a screening value for increased blood pressure in adults, with BMI being the weakest indicator compared to ABSI and WHtR. Further research is needed to examine ABSI and WHtR indicators as predictor of increased blood pressure in adults.
FAKTOR-FAKTOR YANG MEMENGARUHI EXCESSIVE DAYTIME SLEEPINESS PADA MAHASISWA FAKULTAS KEDOKTERAN DAN ILMU KESEHATAN UNIVERSITAS KATOLIK INDONESIA ATMA JAYA Clarisa Seravine; Nawanto Agung Prastowo
Bahasa Indonesia Vol 18 No 2 (2019): Damianus Journal of Medicine
Publisher : Atma Jaya Catholic University of Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/djm.v18i2.2220

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Introduction: Excessive daytime sleepiness is a person's tendency to fall asleep when they should be awake. This can cause various problems in the performance of daily activities such as a decrease in workplace productivity, traffic accidents, and a lower academic score among medical students. Therefore, this study was conducted to determine the factors that influence the occurrence of excessive daytime sleepiness among the students of Atma Jaya Catholic University of Indonesia School of Medicine dan Health Sciences (FKIK UAJ).Methods: This research is a descriptive analytic study with a cross-sectional approach on respondents consisting of preclinical students from the year 2015 -2017. Respondents were given questionnaires containing demographic data, Epworth Sleepiness Scale (ESS), and subjective sleep duration. Data on height, weight, and waist circumference of the respondents were taken using their corresponding measuring instruments. The analysis was conducted using logistic regression in order to find which factors has the most influence on excessive daytime sleepiness.Results: In this study, 132 students from FKIK UAJ who met the inclusion criteria were were selected as respondents. Data analysis showed that excess body mass index was the most statistically significant factor in the occurrence of excessive daytime sleepiness among FKIK UAJ students with an OR of 14,584 (95% CI 5,651-37,637) followed by inadequate sleep duration with an OR of 3.693 (95% CI 1,183-11,533).Conclusion: This research has found that the greatest factors on the occurrence of excessive daytime sleepiness on the students of FKIK UAJ are excessive body mass index and inadequate sleep duration.
THE DIFFERENCE IN GRADE POINTS BETWEEN MORNING AND EVENING CHRONOTYPES AMONG PRECLINICAL MEDICAL STUDENTS Cindy Leona Wangsa; Nawanto Agung Prastowo; Veronica Dwi Jani Juliawati; Francisca Tjhay
Jurnal Pendidikan Kedokteran Indonesia: The Indonesian Journal of Medical Education Vol 11, No 2 (2022): JUNI
Publisher : Asosiasi Institusi Pendidikan Kedokteran Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpki.65919

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Background: Every person has a different diurnal preference, sleep-wake cycle, and alertness known as chronotype. There are three chronotypes, that is morning, evening, and intermediate type. Medical students with evening chronotype are still forced to follow the standard academic schedule in the morning, hence their sleep time is reduced. This problem results in lower grade points since sleep quality affects academic achievement. This study aimed to analyze the difference in grade points between morning and evening chronotypes among medical students.Methods: A comparative cross-sectional study was performed among 102 preclinical students class 2018 of School Medicine and Health Sciences of Atma Jaya Catholic University Indonesia. All personal data, grade points, and chronotypes were taken using google form. Chronotypes and sleep characteristics were determined with Munich ChronoType Questionnaire (MCTQ) by calculating weekend mid-sleep time and sleep debt. Unpaired t-test and binary logistic regression were used to analyze the statistical significance.Results: The results of evening chronotype 44.1% respondents, morning chronotype 31.4% respondents, and intermediate chronotype 24.5% respondents were obtained from 102 respondents. There were 65.7% of students with grade points greater than or equal to three and 34.4%  lower than three. There was no significant difference in grade points between morning and evening chronotypes on semester 1, 2, 3, nor grade point average 3 (p>0.05). Conclusion: There is no significant difference in grade points between morning and evening chronotypes among preclinical students class 2018 of School Medicine and Health Sciences Atma Jaya Catholic University of Indonesia.
PENYULUHAN TEKNIK BERJALAN KAKI YANG BENAR BAGI KELOMPOK LANJUT USIA DI GEREJA KRISTEN INDONESIA NURDIN, JAKARTA Ignatio Rika Haryono; Nawanto A. Prastowo
Jurnal Bakti Masyarakat Indonesia Vol 3, No 1 (2020): Jurnal Bakti Masyarakat Indonesia
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (697.396 KB) | DOI: 10.24912/jbmi.v3i1.8056

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The prevalence of non-communicable diseases (PTM) is increasing rapidly. PTM prevention can be done by modifying risk factors such as increased physical activity (sports). Aside from prevention, physical activity has a therapeutic effect. However, choosing one type of exercise is apparently not simple. Many factors must be considered including the level of fitness, age, field conditions and others. Another factor to consider is exercise time. For people without the risk of heart attack, physical exercise (sports) can be done at any time. But it needs to be considered if the sport is done outdoors, it should be done at a safe temperature and humidity. For the high risk group for heart attack, the best exercise time is around 15.00 - 16.00 which is the highest fibrinolytic activity and the lowest coagulation activity, while the least good time is around 09.00 - 10.00 ie the highest coagulation activity and activity the lowest fibrinolytic. Among the many types of exercise, walking is one type of physical activity that is easy and inexpensive. Walking has good health benefits for the elderly. However, walking must be done with the right techniques in order to provide the expected benefits and prevent negative effects, which is minimizing the risks when walking. This counseling is done so that the participants can understand the correct and safe walking technique and do the walking according to the correct techniqueABSTRAK:Prevalensi penyakit tidak menular (PTM) meningkat dengan pesat. Pencegahan PTM dapat dilakukan dengan modifikasi faktor risiko antara lain peningkatan aktivitas fisik (olah raga). Disamping sebagai upaya  pencegahan, aktivitas fisik memiliki efek terapi. Namun demikian, memilih satu jenis latihan ternyata tidak sederhana. Banyak faktor harus dipertimbangkan antara lain tingkat kebugaran, usia, kondisi lapangan dan lain-lain. Faktor lain yang perlu dipertimbangkan adalah waktu ber olah raga. Bagi orang tanpa risiko serangan jantung, latihan fisik (olahraga) dapat dilakukan kapan saja. Namun perlu dipertimbangkan bila olahraga dilakukan outdoor, sebaiknya dilakukan pada suhu dan kelembaban yang aman. Bagi kelompok risiko tinggi terhadap serangan jantung, waktu latihan yang paling baik adalah sekitar pukul 15.00 – 16.00 yaitu saat aktivitas fibrinolitik paling tinggi dan aktivitas koagulasi paling rendah, sedangkan waktu yang kurang baik adalah sekitar pukul 09.00 – 10.00 yaitu saat aktivitas koagulasi paling tinggi dan aktivitas fibrinolitik paling rendah. Diantara banyak jenis latihan, jalan kaki adalah salah satu jenis aktivitas fisik yang mudah dan murah. Jalan kaki memiliki manfaat kesehatan yang baik bagi lansia. Namun demikian jalan kaki harus dilakukan dengan teknik yang benar agar memberikan manfaat yang diharapkan dan mencegah efek negatif, yaitu meminimalisir risiko saat melakukan jalan kaki. Penyuluhan ini dilakukan agar para peserta dapat memahami teknik jalan kaki yang benar dan aman serta melakukan jalan kaki sesuai teknik yang benar.
Comparing tools of balance tests in assessing balance of middle-aged women with or without exercises Nawanto Agung Prastowo; Michelle Olivia Budiarta; Kidyarto Suryawinata; Ignatio Rika Haryono
JKKI : Jurnal Kedokteran dan Kesehatan Indonesia JKKI, Vol 11, No 1, (2020)
Publisher : Faculty of Medicine, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/JKKI.Vol11.Iss1.art4

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Background: Fall risks among middle-aged women are relatively high. However, there is a lack of studies on tools of balance tests and their accuracy among middle-aged women. Objective: The aim of this study is to compare three tools of balance tests to predict falls of middle-aged women who exercise regularly and who do not. Methods: Eighty-five middle-aged women (50-64 years old) were included in this study, and 40 women of them (47.1%) exercised regularly. The Berg Balance Scale (BBS), Timed Up and Go Test (TUG), and 30-second Chair Stand Test (30-s CST) were the tools examined in this study. The numerical data of this study were analyzed by using a Mann-Whitney test. Those were significant if p<0.05. Accuracy of the tools of balance tests was evaluated by using Receiver Operating Characteristic (ROC) curve. Area under the curve (AUC) was significant if =0.70.Results: Based on this study, the middle-aged women (EG) indicated lower score of TU than sedentary (SG) test (6.9 ± 0.9 vs 8.3 ± 1.7, p = <0.000), and higher score of 30-s than sedentary (SG) test (20.1 ± 3.6 vs 17.2 ± 5.6, p = 0.026). Three participants (3.53%) reported history of falls. The TUG test had better accuracy to predict the falls (AUC 0.922, 95% CI 0.840 - 1.005, sensitivity 1.00, specificity 0.84, p=0.013). Mostly, the participants (˜70%) preferred to practice Tai Chi and Yoga. Conclusion: The middle-aged women who exercised could have a better score of the balance tests, and the TUG test could predict falls of them.
The correlation between skin type and acne scar severity in young adults Yessica Mishellin Awaloei; Nawanto Agung Prastowo; Regina Regina
JKKI : Jurnal Kedokteran dan Kesehatan Indonesia JKKI, Vol 12, No 1, (2021)
Publisher : Faculty of Medicine, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/JKKI.Vol12.Iss1.art9

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Background: Acne is the most common skin disorder, especially in adolescents and youths. Inflammation due to acne may leave scar tissue. The scar severity may correlate with gender and skin type. Objective: This study aims to investigate the correlation between gender, skin type, and acne scar severity in youth. Methods: This is a cross-sectional study with 132 (81 female) medical college students aged from 18 to 23 participated in the study. Skin type was assessed using a Baumann Skin Type questionnaire. Acne scar severity was evaluated using the Qualitative Global Scarring Grading. Skin examination was conducted through the image from the face photograph. Lambda test was used to confirm the correlation between gender, skin type, and acne scar severity. Multiple logistic regression was applied to determine the odd risk of gender and skin type to moderate-severe acne scar. Significance was set at p<0.05.Results: Most of the participants (80.3%) had oily skin, and 22 participants (16.7%) had moderate-severe acne scar. A weak positive correlation was confirmed between skin type and acne scar severity (p<0.01, r=0.3). Oily skin type has 4.3 times greater risk of developing more severe acne scar (p<0.01, 95%CI = 1.90-9.90).Conclusion: Skin type is correlated with acne scar severity. Oily skin type is at greater risk of developing severe acne scar.
PELATIHAN PENGGUNAAN POSTURE RATING SCALE UNTUK PEMERIKSAAN POSTUR ATLET BULUTANGKIS REMAJA Ignatio Rika Haryono; Nawanto Agung Prastowo
Jurnal Bakti Masyarakat Indonesia Vol. 5 No. 2 (2022): Jurnal Bakti Masyarakat Indonesia
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jbmi.v5i2.18019

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Badminton is the most popular sport in Indonesia. Many children and adolescents engage in badminton at an early age. Sports injury in badminton is quite high. One of the risk factors of injury is posture abnormality. Posture abnormality is common in children and adolescent athletes. It can disturb musculoskeletal function, children's activities, and performance in sports. Early detection of posture abnormality is important to minimize the consequences and to give appropriate treatment. Early detection can be performed by a coach or assistant, sports teacher, or even parents. This activity was to train a coach and assistant in using a posture rating scale (PRS). Four participants attended the PRS usage training. Sixty-seven children and adolescent athletes were examined for their posture. Height and weight were measured according to the standard procedure. Body mass indexes were calculated with a standard formula. Posture was assessed using PRS with a maximal score of sixty-five. All activities were performed in a badminton club in Depok, West Java. The results showed all trainees passed the PRS usage training. The mean age of athletes was 10.1 years. The mean score of PRS was 59.7. Also, posture abnormality was quite a lot among adolescent badminton players. Scoliosis (34.3%), flat foot (34.3%), and lordosis (14.9%) were the most abnormalities found. PRS is quite an easy, beneficial, and convenient tool for posture examination in adolescent athletes   ABSTRAK: Bulutangkis adalah olahraga terpopuler di Indonesia. Banyak pemain mulai berlatih bulutangkis pada usia yang sangat muda. Prevalensi cedera olahraga pada bulutangkis cukup tinggi. Salah satu faktor risiko cedera adalah postur abnormal. Abnormalitas postur cukup banyak ditemukan pada atlet anak dan remaja. Abnormalitas postur dapat menimbulkan gangguan sistem muskuloskeletal sehingga dapat mengganggu aktivitas fisik dan kinerja olahraga. Deteksi dini merupakan tindakan penting untuk meminimalisir efek yang merugikan dan untuk memberikan terapi yang adekuat. Deteksi dini dapat dilakukan oleh pelatih/asisten, guru olahraga, bahkan orangtua. Kegiatan ini ditujukan untuk memberikan pelatihan singkat penggunaan posture rating scale (PRS) dan mengevaluasi postur atlet bulutangkis anak dan remaja. Empat orang mengikuti pelatihan penggunaan PRS. Enam puluh tujuh atlet remaja diperiksa postur nya menggunakan PRS. Tinggi dan berat badan diukur menggunakan metode standar. Indeks massa tubuh dihitung menggunakan rumus baku. postur dievaluasi menggunakan PRS dengan skor maksimal 65. Kegiatan dilakukan di sebuah klub bulutangkis di Depok, Jawa Barat. Sebanyak empat peserta pelatihan dinyatakan lulus. Hasil menunjukkan rerata usia atlet adalah 10.1 tahun, dan rerata skor PRS adalah 59.7. Kelainan postur cukup banyak ditemukan pada atlet bulutangkis anak dan remaja. Kelainan postur paling banyak ditemukan adalah skoliosis (34.3%), flat foot (34.3%), dan lordosis (14.9%). PRS adalah alat pemeriksaan yang cukup mudah, bermanfaat, dan nyaman bagi anak-anak dan remaja