Between 1973 and 1975, "early" operation with removal of necrotic tissue was performed on 15 patients with acute haemorrhagic-necrotizing pancreatitis. Partial necrotizing pancreatitis was found in ten patients, of whom seven survived. But all patients with total pancreatic necrosis died. Two early operations in patients with a necrotizing bout in the course of chronic recurrent pancreatitis were successful. The surgical procedure consisted of digital removal of necrotic tissue (greater than digitoclasia less than) and left-sided resection, combined with adequate drainage. Patients with acute, partial necrotizing pancreatitis can be saved by early operation, while those with total necrosis would require almost immediate surgical intervention, before the onset of lethal complications.

Creatine kinase MB isoenzyme was measured (using antibody inhibition) in serum of patients with exogenous intoxication, acute pancreatitis, cerebrovascular accidents, meningitis, encephalitis, skeletal muscle disease, shock, postoperative states and after coronary arteriography, cardiac catherisation of cardioversion. CK-MB activity was revealed only in sera of patients with exogenous intoxication (severity III and IV), polymyositis, scleroderma, after operation or after coronary arteriography, cardiac catherisation or cardioversion. As it is not possible to differentiate between CK-MB and CK-BB using inhibiting antibodies against CK-M subunit, CK-isoenzyme activity was determined in parallel, using precipitating antibodies. No CK-BB was found in any case. The determination of CK-MB isoenzyme after blocking of the CK-MB subunit by means of inhibiting antibodies is suitable for clinical diagnosis. The method significantly increases the value of creatine kinase measurement.

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Eighty-eight asymptomatic carriers of hepatitis B surface antigen (HBsAg) were followed with biochemical, serologic, histologic, and immunohistologic studies over a period of four years. None of the 78 HBsAg carriers with normal or minimally changed liver tissue, antibody to hepatitis B e antigen (HBeAg) in serum, and no intranuclear hepatitis B core antigen (HBcAg) developed a chronic inflammatory liver disease. Four individuals lost circulatory HBsAg, and at least two individuals terminated their HBsAg carrier state. Seven asymptomatic HBsAg carriers with chronic hepatitis were characterized by HBeAg in serum and intranuclear HBcAg. However, three HBsAg carriers with chronic hepatitis and an absence of intrahepatocellular HBcAg were positive for antibody to HBeAg over the observation period. The mechanism that leads to chronic hepatitis in these patients remains to be determined.