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Morphological Characteristics and Differentiation of Acinetobacter baumannii Colony on Selective Medium CHROMagar Acinetobacter Wiranto, Edy; Kiranasari, Ariyani; Kusumawati, Lia; Mutiara; Tania, Tryna
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol. 25 No. 01 (2024): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)
Publisher : Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Negeri Padang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/eksakta/vol25-iss01/482

Abstract

Acinetobacter is an opportunistic pathogen that causes nosocomial infections and is one of the pathogens with the highest prevalence in the world. In addition to its prevalence, the number of isolates that are resistant to antibiotics is increasing every year worldwide. Identification of these bacteria in patients is generally carried out using various methods however, each method has drawbacks such as a long time, low accuracy, and requires high costs. To overcome this, CHROMagar Acinetobacter is used and is expected to be one of the solutions for identifying Acinetobacter in patient samples due to its selectivity and accuracy. However, in this research, several non-Acinetobacter bacteria are able to grow in this media, making identification of A. baumannii using this media remain a challenge. Using phenotypic tests, 5 isolates were successfully separated from 32 A. baumannii isolates in this study (13,51%), where these 5 isolates showed the same characteristics as A. baumannii phenotypically on CHROMagar Acinetobacter results but differ in biochemical tests. Therefore, false-positive results will be obtained based solely on CHROMagar Acinetobacter results. In sum, the use of CHROMagar Acinetobacter must be followed by other conventional tests to increase the accuracy of Acinetobacter identification in specimens.
The Role of Macronutrients in Chronic Obstructive Pulmonary Disease: A Review Kristy, Anastasia; Hardian, Harris; Putra, Wayan Wahyu Semara; Yaniswari, Ni Made Dwita; Tania, Tryna
Jurnal Respirasi Vol. 10 No. 2 (2024): May 2024
Publisher : Faculty of Medicine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jr.v10-I.2.2024.161-167

Abstract

The incidence of chronic obstructive pulmonary disease (COPD) is rising and is still regarded as one of the challenging medical issues. Regardless of the main relationship between tobacco smoking and toxic particle exposure with COPD, factors like nutritional status also play an important role in COPD progression and outcome, as the factor is an adaptable aspect. Malnutrition, sarcopenia, and obesity are nutritional problems that are often encountered in COPD patients. Macronutrients, namely carbohydrates, fat, and protein, support the adjunctive treatment options for COPD. The ideal dietary pattern includes low carbohydrates, medium fats preferably polyunsaturated fatty acids (PUFA), and high proteins to improve COPD symptoms, preserve muscle mass, and delay disease progression. High carbohydrate intake might also increase the respiratory quotient (RQ) which results in higher carbon dioxide (CO2) production and oxygen (O2) demand compared to fat and protein intake. Daily calorie intake should be adjusted to personal nutritional status. Higher calories in malnourished, sarcopenic patients and targeted weight loss in obese patients show improvements in lung function, frequency of exacerbations, and hospitalization rate. In obese individuals with COPD, however, maintaining a slightly higher body mass index (BMI) of 25-30 kg/m2 was associated with lower mortality. This literature review summarized the significant role of macronutrients in COPD patients and the practical approach to macronutrient intervention in individuals with different nutritional statuses.