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Clinical Nutrition Research update

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수록정보
수록범위 : 1권1호(2012)~11권4호(2022) |수록논문 수 : 309
Clinical Nutrition Research
11권4호(2022년 10월) 수록논문
최근 권호 논문
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KCI등재

저자 : Mehrnoush Meshkani , Ahmad Saedisomeolia , Mirsaeed Yekaninejad , Seyed Ahmad Mousavi , Azam Ildarabadi , Marzieh Vahid-dastjerdi

발행기관 : 한국임상영양학회 간행물 : Clinical Nutrition Research 11권 4호 발행 연도 : 2022 페이지 : pp. 241-254 (14 pages)

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Polycystic ovary syndrome (PCOS) is a heterogeneous clinical syndrome. Recent studies examine different strategies to modulate its related complications. Chlorogenic acid, as a bioactive component of green coffee (GC), is known to have great health benefits. The present study aimed to determine the effect of GC on lipid profile, glycemic indices, and inflammatory biomarkers. Forty-four PCOS patients were enrolled in this randomized clinical trial of whom 34 have completed the study protocol. The intervention group (n = 17) received 400 mg of GC supplements, while the placebo group (n = 17) received the same amount of starch for six weeks. Then, glycemic indices, lipid profiles, and inflammatory parameters were measured. After the intervention period, no significant difference was shown in fasting blood sugar, insulin level, Homeostasis model assessment of insulin resistance index, low-density lipoprotein, high-density lipoprotein, Interleukin 6 or 10 between supplementation and placebo groups. However, cholesterol and triglyceride serum levels decreased significantly in the intervention group (p < 0.05). This research confirmed that GC supplements might improve some lipid profiles in women with PCOS. However, more detailed studies with larger sample sizes are required to prove the effectiveness of this supplement.

KCI등재

저자 : Jeongwon Yeom , Jung Mi Lee

발행기관 : 한국임상영양학회 간행물 : Clinical Nutrition Research 11권 4호 발행 연도 : 2022 페이지 : pp. 255-263 (9 pages)

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This study was conducted to analyze the relationship between cancer-related stress and the types of complementary and alternative medicine (CAM) used by subjects diagnosed with colorectal cancer. The number of study subjects was 142, and for data analysis, descriptive statistics, t-test, χ2 test, logistic regression procedures were performed. Of the subjects, 114 were CAM users, who accounted for 79.6%. When it came to using CAM, 82 (72.6%) said they did “to prevent cancer recurrence.” The most popular reason for not using CAM was “to focus on treatment as instructed by the doctor,” with 22 (75.8%) respondents selecting the answer. Of those who used CAM, 79 (55.6%) said they took “dietary supplements,” followed by 65 (45.8%) who picked “vitamins and minerals.” Regarding CAM usage, ginger, aloe, swimming, and walking had the highest satisfaction (4.25 ± 0.71). The cancer-related stress of subjects who use CAM (18.21 ± 15.37) was higher than that of subjects who did not use CAM (10.11 ± 12.08). Logistic regression analysis determined that cancer-related stress were factors significantly associated with CAM use. Patients using CAM had higher cancer-related stress, suggesting that stress on cancer increased CAM interest. Safe and reliable CAM information and standardized recommendations should be provided to cancer survivors. We propose the development of training programs for CAM to improve communication between medical staff and patients and to protect patients.

KCI등재

저자 : Wonsun Hwang , Ji-hyun Lee , Juha Nam , Jieun Oh , Inwhee Park , Mi Sook Cho

발행기관 : 한국임상영양학회 간행물 : Clinical Nutrition Research 11권 4호 발행 연도 : 2022 페이지 : pp. 265-277 (13 pages)

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Hemodialysis (HD) patients can experience appetite alterations that affect meals and nutritional status. Few qualitative studies have assessed the chronic impact of HD on the everyday diet. This study aimed to characterise comprehensively the experiences of HD patients adapting to appetite alteration. Semi-structured, face-to-face interviews were conducted in a unit of a tertiary hospital to understand patient experiences with appetite alteration. An interview guide was used to consider adaptive processes developed after reviewing the literature and based on the researchers' clinical experiences. A single researcher conducted all interviews to maintain consistency in data collection. The interview content was analysed using Nvivo 11 based on grounded theory and constant comparison analysis. As a results, the mean age and HD vintage of 14 participants were 60 and 5.8 years, respectively. We developed a self-care model based on HD patient experiences with appetite alteration based on axial and selective coding. Differences in urea sensitivity, taste alteration, and social support could be explained by timing of transitions, life events, and responses to stress. Self-care processes are adapted through the processes of “self-registration” and “self-reconstruction,” starting with “disruption.” At the stage of adjustment, 4 self-management types were derived based on pattern of self-care: self-initiator, follower, realist, and pessimist. The results of this study provide unique qualitative insight into the lived experiences of HD patients experiencing appetite alteration and their self-care processes. By recognising dietary challenges, health teams can better support HD patients in the transition from dietary education to self-care.

KCI등재

저자 : Arezoo Amjadi , Yahya Pasdar , Shahab Rezaeian , Mostafa Nachvak , Saeid Ghavamzadeh , Mohammad Alizadeh , Hadi Abdollahzad , Jafar Navabi

발행기관 : 한국임상영양학회 간행물 : Clinical Nutrition Research 11권 4호 발행 연도 : 2022 페이지 : pp. 277-288 (12 pages)

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This study aimed to investigate the relationship between dietary acidity load and clinical symptoms in the patients with rheumatoid arthritis (RA). This case-control study examined 55 patients with RA and 215 healthy individuals in a Ravansar non-communicable diseases (RaNCDs) cohort study, Iran. Participants' food intakes were assessed using a validated food frequency questionnaire. The dietary acidity was calculated using potential renal acid load (PRAL), net endogenous acid production (NEAP), and dietary acid load (DAL) scores. The patients with RA were identified based on the self-reporting, medications history, and the approval of the cohort center physician following patients' examination. The odds ratio (OR) of joint stiffness in fully adjusted model was greater in the upper median of dietary acidity than in the lower median (PRAL: odds ratio [OR], 1.18; 95% confidence interval [CI], 0.59-2.36), but there was no statistically significant difference. The OR of joint pain in the upper median of dietary acidity was less than in the lower median in fully adjusted model (PRAL: OR, 0.70; 95% CI, 0.46-1.29), but the difference was not statistically significant. After adjusting potential confounders, people in the upper median of dietary acidity had a higher OR of developing RA than those in the lower median (PRAL: OR, 1.39; 95% CI, 0.70-2.76); however, it was not statistically significant. There was not any statistically significant relationship among dietary acidity and the odds of joint pain, joint stiffness, and developing RA.

KCI등재

저자 : Atefeh Seifollahi , Mahboubeh Rezaei Fazl , Leila Setayesh , Mohammad Hassan Javanbakht , Maryam Daneshpazhooh , Sakineh Shab-bidar , Mehdi Yaseri

발행기관 : 한국임상영양학회 간행물 : Clinical Nutrition Research 11권 4호 발행 연도 : 2022 페이지 : pp. 289-301 (13 pages)

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This study was conducted to evaluate the associations between dietary diversity score (DDS) and cardiovascular risk factors in this population. In this cross-sectional study, 187 patients, aged 18-65 years with pemphigus vulgaris were included. DDS was assessed by a 24-hour dietary recall method. Anthropometric measures and biochemical parameters assessed according to standard protocols. Multivariate linear regression analyses used for detecting any associations between DDS and cardiovascular risk factors. The mean ± standard deviation age and body mass index of studied participants were (46.71 ± 11.49 years) and (27.83 ± 4.39 kg/m2) respectively. Our findings showed that a higher DDS intake was related with higher consumption of vegetables (p = 0.001), dairy products (p < 0.001), cereals (p = 0.002), red and processed meat (p < 0.001), sweets and desserts (p < 0.001). After controlling for confounding variables, the results showed positive associations between DDS and high-density lipoprotein cholesterol (HDL-C, β = 1.87, 95% confidence interval [CI], 0.30-3.45, p = 0.02) and total cholesterol (TC) levels (β = 6.41, 95% CI, 1.62-11.03, p = 0.02) (β = 1.75, 95% CI, 0.20-3.30, p = 0.02). However, there were no associations between DDS and prevalence of obesity and glucose homeostasis. The results of this cross-sectional study showed that DDS might be associated with increased HDL-C and TC. However, further prospective studies are needed to prove these findings.

KCI등재

저자 : Mohammad Reza Amini , Nastaran Payandeh , Fatemeh Sheikhhossein , Mohsen Alvani , Alireza Talebyan , Fatemeh Mohtashaminia , Azita Hekmatdoost

발행기관 : 한국임상영양학회 간행물 : Clinical Nutrition Research 11권 4호 발행 연도 : 2022 페이지 : pp. 302-315 (14 pages)

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The present systematic review and meta-analysis were conducted in order to investigate the effects of capsinoids and fermented red pepper paste (FRPP) supplementation on lipid profile. Relevant studies were identified by searches of five databases from inception to November 2021 using relevant keywords. All clinical trials investigating the effect of capsinoids and FRPP on total cholesterol (TC), triglycerides (TG), high-density lipoprotein cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL-C) were included. Out of 1,203 citations, eight trials that enrolled 393 participants were included. Capsinoids and FRPP resulted in a significant reduction in TC (weighted mean differences [WMD], -9.92 mg/dL; 95% confidence interval [CI], -17.92 to -1.92; p = 0.015) but no significant changes in TG (WMD, -19.38 mg/dL; 95% CI, -39.94 to 1.18; p = 0.065), HDL-C (WMD, 0.83 mg/dL; 95% CI, -0.76 to 2.42; p = 0.305) and LDL-C (WMD, -0.59 mg/dL; 95% CI, -4.96 to 3.79; p = 0.793). Greater effects on TC were detected in trials performed on duration lasting less than twelve weeks, mean age of > 40, both sexes, and sample size of > 50. TG was reduced by using FRPP in studies conducted on mean age of > 40. HDL-C increased by using FRPP in studies conducted on duration of < 12 weeks, mean age of > 40, and sample size of ≤ 50. Overall, these data provided evidence that capsinoids and FRPP supplementation has beneficial effects on TC but not TG, HDL-C, and LDL-C.

KCI등재

저자 : Se Lin Kim , Sunhye Shin , Soo Jin Yang

발행기관 : 한국임상영양학회 간행물 : Clinical Nutrition Research 11권 4호 발행 연도 : 2022 페이지 : pp. 316-330 (15 pages)

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Iron plays a role in energy metabolism as a component of vital enzymes and electron transport chains (ETCs) for adenosine triphosphate (ATP) synthesis. The tricarboxylic acid (TCA) cycle and oxidative phosphorylation are crucial in generating ATP in mitochondria. At the mitochondria matrix, heme and iron-sulfur clusters are synthesized. Iron-sulfur cluster is a part of the aconitase in the TCA cycle and a functional or structural component of electron transfer proteins. Heme is the prosthetic group for cytochrome c, a principal component of the respiratory ETC. Regarding fat metabolism, iron regulates mitochondrial fat oxidation and affects the thermogenesis of brown adipose tissue (BAT). Thermogenesis is a process that increases energy expenditure, and BAT is a tissue that generates heat via mitochondrial fuel oxidation. Iron deficiency may impair mitochondrial fuel oxidation by inhibiting iron-containing molecules, leading to decreased energy expenditure. Although it is expected that impaired mitochondrial fuel oxidation may be restored by iron supplementation, its underlying mechanisms have not been clearly identified. Therefore, this review summarizes the current evidence on how iron regulates energy metabolism considering the TCA cycle, oxidative phosphorylation, and thermogenesis. Additionally, we relate iron-mediated metabolic regulation to obesity and obesity-related complications.

KCI등재

저자 : Behnaz Abiri , Amirhossein Ramezani Ahmadi , Mahdi Hejazi , Shirin Amini

발행기관 : 한국임상영양학회 간행물 : Clinical Nutrition Research 11권 4호 발행 연도 : 2022 페이지 : pp. 331-346 (16 pages)

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Coronavirus disease 2019 (COVID-19), a novel coronavirus named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is now at pandemic levels leading to considerable morbidity and mortality throughout the globe. Patients with obesity, diabetes, and metabolic syndrome (MetS) are mainly susceptible and more probably to get severe side effects when affected by this virus. The pathophysiologic mechanisms for these notions have not been completely known. The pro-inflammatory milieu observed in patients with metabolic disruption could lead to COVID-19-mediated host immune dysregulation, such as immune dysfunction, severe inflammation, microvascular dysfunction, and thrombosis. The present review expresses the current knowledge regarding the influence of obesity, diabetes mellitus, and MetS on COVID-19 infection and severity, and their pathophysiological mechanisms.

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