What Is Open Gallbladder Removal. Open gallbladder removalâor cholecystectomy âis surgery that offers permanent relief to a patient suffering from gallstones and other problems associated with the gallbladder. The gallbladder is a small organ located near the liver. It stores bileâwhich is a special fluid produced in the liver.
GFR is a test that helps measure the level at which an individual's kidney is functioning. It is calculated on the basis of factors such as age, gender, race, and blood creatinine. Normal GFR values are between 90 to 120 ml/min. A GRF below 60 ml/min could mean that some kidney damage has occurred.
Normal GFR varies according to age, sex, and. body size; in young adults it is approximately. 120-130 mL/min/1.73 m2 and declines with age. A decrease in GFR precedes the onset of kidney. failure; therefore, a persistently reduced GFR is. a specific diagnostic criterion for chronic kidney. disease (CKD).