Transportasi pasien antar rumah sakit membutuhkan jalur tercepat, rute terpendek merupakan salah satu opsi terbaik. Pencarian jalur terpendek merupakan proses pencarian menuju simpul tujuan dengan bobot seoptimal mungkin, bobot yang digunakan berupa jarak tempuh. Jarak didapat dari proses perhitungan menggunakan rumus Haversine.Algoritma Floyd-Warshall dan A*(star) merupakan algoritma pencarian yang dapat digunakan untuk mencari jalur terpendek.Dari perhitungan menggunakan algoritma Floyd-Warshall didapat jarak dan simpulantar rumah sakit Samarinda Medika Citra menuju rumah sakit umum daerah Abdul Wahab Sjahranie melalui 12 simpul dengan jarak heuristik 2,987 kilometer, dan dari rumah sakit Dirgahayu menuju rumah sakit umum daerah Abdul Wahab Sjahranie melalui 11 simpul dengan jarak heuristik 3,764 kilometer. Hasil menggunakan algoritma A*(star)diperoleh jarak heuristik 4,733 kilometer dari rumah sakit Samarinda Medika Citra menuju rumah sakit umum daerah Abdul Wahab Sjahranie melalui 15 simpul, dan dari rumah sakit Dirgahayu menuju rumah sakit umum daerah Abdul Wahab Sjahranie melalui 18 simpul dengan jarak heuristik 10,607 kilometer
Tetralogy of Fallot (ToF) is the most common form of cyanotic heart disease with a prevalence between 3,5 to 8%. Anomalous coronary artery is reported in 2-23% of ToF patient. Knowledge of the coronary anatomy prior to surgery was important to avoid injury to the vessel. In our case, ToF with the presence of coronary artery that crossing the right ventricle outflow (RVOT) tract altered our strategy of surgery using right ventricle-pulmonary artery bypass (Rastelli procedure) in order to avoid injury to the vessel. Case report: A 2-yearsold boy was presented with repeated respiratory complaint and delayed both in growth and development. Cyanosis and clubbing fingers were observed in this patient. Overriding aorta and infundibular-valvular pulmonary stenosis were found on transthoracic echocardiography exam and additional finding was right coronary artery crossing the RVOT. The patient underwent total correction of ToF with additional procedure of the right ventricle to pulmonary artery bypass (Rastelli Procedure). The surgery was successful and the length of stay of the patient was eight days. One month following the surgery, we evaluated the flow in the conduit was preferable. The case represented the possible alternative management for ToF with anomalous coronary artery.
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