Nmetabolisme bilirubin pada bayi pdf free download

Catabolism of heme is needed to clear the body of the waste products due to the death of aging red blood cells. Bilirubin merupakan suatu antioksidan yang sangat efektif, sedangkan biliverdin tidak. Dikatakan hiperbilirubinemia patologis apabila terjadi saat 24 jam setelah bayi lahir, peningkatan kadar bilirubin serum 0,5 mgdl setiap jam, ikterus bertahan setelah 8 hari pada bayi cukup bulan atau 14 hari pada bayi. Bilirubin bilirubin is the degradation product of hemeproteins. Ppt bilirubin metabolism powerpoint presentation free to. Perbedaan bilirubin direk dan indirek lengkap doktermuslim. Thus this fact must be taken into consideration when assessing the individual risk of a patient and also accounts for ushape relationship between serum bilirubin and cardiovascular diseases observed in some studies breimer et al. Unconjugated bilirubin is conjugated in the liver and released into the small intestine in bile, the fluid in the gallbladder. Pdf faktor risiko hiperbilirubinemia pada bayi lahir. Enhanced bilirubin formation is found in all conditions associated with increased red cell turnover such as intramedullary or. Peningkatan kadar bilirubin pada harihari pertama kehidupan dapat terjadi pada sebagian besar neonatus.

If you need to print pages from this book, we recommend downloading it as a pdf. Pada bayi kurang bulan, kadar bilirubin tidak terkonjugasi akan meningkat menjadi 10 sampai 12 mgdl pada umur 5 hari. Bilirubin glucuronides are actively transported into the bile canaliculi by the atputilizing pump mrp2. Ikterus patologi jika ditemukan adanya kuning pada hari kedua setelah. Biochemistry of bilirubin online medical course lecturio. Bilirubin levels chart normal, low, high bilirubin levels. Adanya metabolisme normal bilirubin pada bayi baru lahir usia minggu pertama. Increased production, reduced uptake and low glucuronidation capacity can increase plasma unconjugated bilirubin levels. Metabolism of bilirubin and its biological properties. Defects in heme biosynthesis most animals synthesize their own heme mutations or misregulaton of enzymes in heme biosynthesis pathway lead to porphyrias accumulation of uroporphyrinogen i causes urine to become red teeth to fluoresce under uv light skin to be sensitive to uv light desire to obtain heme with diet possible biochemical basis for vampire themes in. Metabolism of bilirubin and its biological properties valaskova, p. It is the major metabolic breakdown product of heme, the prosthetic group of hemoglobin in red blood cells, and other chromoproteins such as myoglobin, cytochrome, and catalase. Feb 22, 2015 powtoon is a free tool that allows you to develop cool animated clips and animated presentations for your website, office meeting, sales pitch, nonprofit fundraiser, product launch, video resume.

This catabolism is a necessary process in the bodys clearance of waste products that arise from the destruction of aged or abnormal red blood cells. Full text full text is available as a scanned copy of the original print version. It is removed by the liver although in some cases some may spill over from the blood to be removed via the urine. Bilirubin secretion, jaundice and evaluation of liver function. Bilirubin is degraded in the intestine by bacteria into urobilinogens, which are partly excreted in the urine.

Hundtoft, im glad they ruled out the hepatitis family which is the usual cause of high blood bilirubin. Bilirubin metabolism article about bilirubin metabolism by. Pada kondisi normal, kadar normal bilirubin indirek harus sekitar 0,20,7 mgdl atau 3,411,9 mmoll. Ini adalah bentuk bilirubin yang belum termodifikasi. So far, there has been no really reliable method has been developed for measuring free bilirubin content in plasma or alternatively for measuring the free binding capacity of albumin for free bilirubin. Heme is an ironcontaining porphyrin, found in hemoglobin of the red blood cells. Studies on bilirubin sulfate and other nonglucuronide conjugates of bilirubin. Bilirubin glukuronida yang larut dalam air dapat langsung bereaksi dengan dsa, namun bilirubin yang terdapat di albumin yaitu bilirubin terkonjugasi hanya dapat bereaksi jika ada akselerator. Bayi yang lahir dari ibu diabetes melitus idm memiliki risiko lebih tinggi mengalami berbagai morbiditas pada masa neonatus. Toxicity of bilirubin free unconjugated bilirubin exhibits a wide range of toxicity to many cell types, particularly neuronal cells. Ikterus bertahan setelah 8 hari pada bayi cukup bulan atau 14 hari pada bayi kurang bulan dan adanya penyakit lain yang mendasari muntah, alergi, penurunan berat badan yang berlebihan, dan asupan kurang maharani, 2005. Metabolisme bilirubin merupakan salah satu sistem yang mungkin terganggu. Metabolism of bilirubin tapeshwar yadav lecturer bmlt, dnhe, m.

Bilirubin, a product of hemoglobin breakdown, is present in two forms in the human body. Free bilirubin definition of free bilirubin by the free. Pediatric annals introductionthe metabolism of bilirubin has been under intense investigation for many years. Free bilirubin definition of free bilirubin by medical. Serum bilirubin exerts antioxidant and cytoprotective effects. Oct 10, 2017 bilirubin is a found in the blood stream as a byproduct of red blood cell breakdown. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Efektivitas fototerapi kontinu dan intermitenterhadap penurunan kadar bilirubin total dan bebas pada bayi prematuri. Once bile is taken up and conjugated by the liver, some leakage of bilirubin mono and diglucuronides does occur, but these normally account for less than 5% of circulating bilirubin.

Bilirubin is a product of the degradation of hemoglobin the red blood pigment that carries oxygen from the lungs to the tissues and some other blood learn faster, remember everything bilirubin metabolism see more. Once formed, bilirubin is transported to the liver bound to albumin. This article is from clinical and molecular hepatology, volume 18. Bilirubin br is a yellow compound that occurs in the normal catabolic pathway that breaks down heme in vertebrates. This is the rate limiting step in hepatocyte bilirubin metabolism and disrupted in most acquired liver diseases bilirubin is only approximately 2% of bile. Jaundice is usually present clinically when the plasma. What does a 21 bilirubin level mean new doctor insights. Inherent digital library hiperbilirubinemia pada neonatus. Hal ini disebabkan karena tingginya kadar eritrosit neonatus dan umur eritrosit yang lebih pendek 8090 hari dan fungsi hepar yang belum matang. Unfortunately, this book cant be printed from the openbook. Usually alk phos is part of a panel thats used for health screening. Unconjugated bilirubin that is not bound to albumin free bilirubin can enter the brain and cause focal necrosis of. Efektivitas bilirubin yang terikat pada albumin kirakira 110 kali dibandingkan asam askorbat dalam perlindungan terhadap peroksida yang larut dalam air. Because of internal hydrogen bonding, bilirubin is waterinsoluble and requires enzymemediated.

Absent hepatitis, something is probably preventing the bile from flowing out normally, probably gallstones or some other obstructive process the other is the scarier one. Bilirubin metabolism definition of bilirubin metabolism by. Get a printable copy pdf file of the complete article 589k, or click on a page image below to browse page by page. Bilirubin is an endogenous compound that can be toxic under certain conditions but, on the other hand, mild unconjugated hyperbilirubinaemia might protect against cardiovascular diseases and tumour development. Where bilirubin comes from and where bilirubin goes to. You are probably not a teen in your growth spurt, in the third trimester of pregnancy, a pagets. Inherent digital library efektivitas fototerapi kontinu. Nov 06, 2016 bilirubin levels chart is a table of common bilirubin levels that cause jaundice yellowish color of the skin and eyes sclera, includes normal bilirubin levels, high bilirubin levels, and low bilirubin levels in the same place. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Total bilirubin measures indirect bilirubin plus direct bilirubin. It is the most specific clinical manifestation of hepatic dysfunction. Further, assuming the units are iuml, this is right in the middle of the reference range. Neonatal jaundice pdf 525p this note covers the following topics. Eighty percent of the daily bilirubin production 250 to 400 mg in adults is derived from hemoglobin.

Bilirubin is a yellowish compound that is produced in the catabolic pathway of the breakdown of heme in vertebrates. Bilirubin may be classified as indirect free or unconjugated while en route to the liver from its site of formation by reticuloendothelial cells, and direct bilirubin diglucuronide after its conjugation in the liver with glucuronic acid. Pmc free article johnson l, garcia ml, figueroa e, sarmiento f. Jaundicejaundice it is characterized by a yellow appearance of the 1 skin 2 mucous membranes and 3 sclera caused by bilirubin deposition. Bilirubin direk atau unkonjugasi adalah produk hemoglobin yang terpecah. The effect of drugs on bilirubinalbumin binding capacity, 1986. Other sources of bilirubin include the breakdown of myoglobin and cytochromes and the catabolism of immature red blood cells in the bone marrow. Bilirubin is the breakdown product of the haem moiety of haemoglobin and other haemoproteins. Bilirubin wikipedia, the free encyclopedia the most advanced learning platform for the next generation of physicians. Laboratory for research of liver diseases and heme metabolism, central research laboratories, institute of medical biochemistry and laboratory diagnostics, first faculty of medicine, charles university and general university hospital in prague, czech republic. Factors which alter bilirubin concentration and frequency of kernicterus.

2 346 1487 746 466 164 455 1034 1231 1229 248 8 278 1558 55 760 1462 1426 718 867 861 204 493 992 153 127 1013 632 574 144 1153 818 1215 419