Judul: Analisis Perubahan Status Gizi pada Pasien Tuberkulosis Setelah Pengobatan 6 Bulan di RS Paru Provinsi Jawa Barat.
Abstrak: Penelitian ini bertujuan menganalisis status gizi pasien tuberkulosis (TB) selama pengobatan 6 bulan serta menganalisis hubungan karakteristik subjek dan karakteristik penyakit dengan perubahan status gizi setelah pengobatan. Desain penelitian adalah studi prospektif melibatkan 62 subjek pasien TB yang memiliki data lengkap di Rumah sakit Paru Provinsi Jawa Barat-Cirebon. Data yang dikumpulkan adalah data sekunder meliputi karakteristik subjek (jenis kelamin, umur, dan status pekerjaan), berat badan, dan karakteristik penyakit (pemeriksaan awal Bakteri Tahan Asam/BTA, klasifikasi penyakit TB, dan penyakit penyerta) yang diperoleh dari medical record. Data primer yang dikumpulkan adalah data tinggi badan dengan pengukuran secara langsung oleh tenaga medis terlatih. Hasil penelitian menunjukkan, setelah pengobatan TB 6 bulan terjadi peningkatan yang signifikan rata-rata berat badan sebesar 3.14 kg (p<0.05) dan IMT sebesar 1.25 kg/m2 (p<0.05), konversi BTA positif menjadi negatif sebesar 35.5% serta penurunan status gizi kurang (19.5%). Uji chi square menunjukkan bahwa umur (p=0.034) dan pemeriksaan BTA awal (p=0.048) berhubungan dengan perubahan status gizi. Akan tetapi, jenis kelamin (p=0.512), status pekerjaan (p=0.624), klasifikasi penyakit TB (p=1.000), dan penyakit penyerta (p=0.739) tidak berhubungan dengan perubahan status gizi.
Keyword: IMT, status gizi, tuberculosis.

Judul: Nutritional Profile of Pulmonary Tuberculosis Inpatient at Cibinong Regional Hospital Bogor
Abstrak: Tuberkulosis (TB) merupakan infeksi yang disebabkan oleh bakteri Mycobacterium tuberculosis. Penelitian ini bertujuan untuk mengetahui profil gizi pasien TB paru rawat inap di RSUD Cibinong Bogor. Desain penelitian ini yaitu cross sectional study dengan 30 subjek yang dipilih secara incidental sampling. Data usia, jenis kelamin, kelas perawatan, berat badan, tinggi badan, biokimia, klinis, fisik, dan terapi medis diperoleh melalui electronic medical record. Data pendidikan, pekerjaan, dan lama menderita TB dikumpulkan melalui wawancara. Data asupan makanan dikumpulkan melalui Food weighing dan Comstock. Status gizi pasien TB paru sebagian besar tergolong kurus (66,7%) dengan rata-rata IMT 17,7  3,5 kg/m2. Rata-rata kebutuhan energi subjek yaitu 2223  216,1 kkal dan protein 111,2  13,1 gram. Rata-rata asupan energi subjek sebesar 1636  460,4 kkal dan protein 56,8  20,5 gram, sedangkan rata-rata pemenuhan kebutuhan gizinya yaitu energi 74,4  20,5% dan protein 51,6  17,4%. Tidak ada hubungan signifikan antara asupan gizi dan pemenuhan kebutuhan gizi dengan lama hari rawat inap pasien TB paru. Namun, terdapat hubungan yang signifikan antara asupan karbohidrat dengan lama menderita TB (p=0,043), dan kelas perawatan dengan lama hari rawat inap (p=0,021)., Tuberculosis (TB) is an infection caused by Mycobacterium tuberculosis. The aim of this study was to know nutritional profile of pulmonary TB inpatients at Cibinong Regional Hospital Bogor. Design of this study was cross sectional study with 30 subjects selected by incidental sampling. Age, sex, treatment class, weight, height, laboratory, clinical, physical, and medical therapy data were obtained from electronic medical records. Education, occupation, and duration of Tuberculosis data were collected by interviews. Food intake was collected by Food weighing and Comstock. Nutritional status of most pulmonary TB patients was underweight (66.7%) with average BMI 17,7  3,5 kg/m2. Average energy requirement of subjects was 2223  216,1 kcal and protein 111,2  13,1 grams. Average energy intake was 1636  460,4 kcal and protein 56,8  20,5 grams, while average fulfillment of nutritional needs was energy 74,4  20,5% and protein 51,6  17,4%. There was no significant correlation between nutrition intake with length of stay of pulmonary Tuberculosis patients. However, there was a significant correlation between carbohydrates intake with duration of TB (p=0.043), and treatment class with length of stay (p=0.021).
Keyword: nutrition intake, length of stay, pulmonary tuberculosis

Judul: Hamiltonian formulation for linear waves motion in two layers fluid
Abstrak: The surface wave could be considered as a wave that separates two fluids, namely water and air. Based on this assumption, it is introduced the interfacial wave, a wave between two layers of fluid with different density. The formulation of interfacial waves motion begins with deriving the base equation of irrotational ideal fluid. Furthermore, according to irrotational fluid assumption, the base equation can be stated in velocity potential. In this derivation, the fluids domain is assumed to be restricted by rigid lid boundary conditions, both at the upper and lower limit. Therefore, the interfacial waves motion can be explained in a hamiltonian formulation. In the hamiltonian formulation, total energy is defined as the sum of kinetic and potential energy. The hamiltonian system is obtained from reduction of kinetic energy by using the Dirichlet Neumann Operator. The resulted kinetic energy equation is nonlinear. Therefore, this form is linearized by first part of the Taylor expansion. This linearization gives a dispersion relation of linear wave. Based on this dispersion relation, the phase speed of the linear wave depends on the density ratio of the two layers fluid.
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