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Biomedical subjects

D S Zimmon

Publications and source records attributed to D S Zimmon.

At least 55 records · Page 3Linked to original sources
PubMed1975

Efficacy of hepatitis B immune serum globulin after accidental exposure. Preliminary report of the Veterans Administration Cooperative Study.

A randomised, double-blind, controlled trial has been undertaken to compare the efficacy of hepatitis B immune globulin (H.B.I.G.) with that of immune serum globulin (I.S.G.) for the prophylaxis of viral hepatitis. Participants in the trial were individuals exposed accidentally to material infectious for hepatitis (primarily viral B hepatitis). Preliminary evaluation of the first 302 of the 561 individuals entered into the study indicates that H.B.I.G. significantly reduced the frequencies of both clinical and subclinical hepatitis during the first 3--4 months after the injection. Less than 10% of H.B.I.G. recipients had detectable anti-HBs at the sixth month after the injection, suggesting that H.B.I.G. might need to be given every 3--4 months to continually exposed individuals. Further long-term evaluation is required in order to define more clearly those most likely to benefit from H.B.I.G.

Clinical Trials as Topic↗
PubMed1975

Endoscopy with endoscopic cholangiopancreatography. The combination as a primary diagnostic procedure.

The combination of upper gastrointestinal endoscopy and endoscopic retrograde cholangiopancreatography was evaluated as a primary diagnostic procedure in 91 consecutive patients suspected of pancreatic or biliary tract disease. In 77 (85%) of the patients, the origin, nature, or extent of disease was established by endoscopy (13 patients), pancreatography (25 patients), or cholangiography (39 patients). This combined technique compares favorably with other means of diagnosing pancreatic or biliary tract disease.

Acute Disease↗
PubMed1975

Endoscopy of intestinal urinary conduit.

Using flexible gastrointestinal endoscopes, we have examined the urinary intestinal conduits of 15 patients. We have found this to be a reliable, easily performed endoscopic procedure that allows ureteral catheterization when needed. The instrument, technique, and results are described.

Colon↗
PubMed1975

Complications of endoscopic retrograde cholangiopancreatography. Analysis of 300 consecutive cases.

A retrospective analysis of complications arising from 300 consecutive attempts at endoscopic retrograde cholangiopancreatography (ERCP) in 278 patients was undetaken to determine the rate and severity of complications. An over-all complication rate of 5% (15 cases) was documented. Complications were categorized in terms of those arising from endoscopy itself or from the administration of pharmacological agents (7 cases), and those observed after the injection of radioopaque contrast into the biliary tree or pancreas (8 cases). Complications which might be considered coincidental to a patient's underlying illness were not excluded. Complications were significantly more frequent after injection of diseased duct systems. Brief, self-limited pancreatitis after retrograde pancreatography occurred in 5 of 90 patients with pancreatic disease. No cases of pancreatitis were observed after retrograde pancreatography in 102 patients without pancreatic disease X2 = 5.82, P less than 0.025). Sepsis occurred after retrograde cholangiography in 3 of 56 patients with extrahepatic biliary obstruction. In the absence of extrahepatic obstruction, cholangiography was performed without complication in 85 cases (X2 = 3.62, P less than 0.1), although 25 of these had intense cholestasis due to hepatic parenchymal disease. This analysis provides the basis for modifications of ERCP technique and management that may reduce the future incidence of complications. This study suggests that the incidence and severity of complications that arise from ERCP compare favorably with procedures of equivalent diagnostic yield.

Adult↗
PubMed1974

The portal pressure-blood volume relationship in cirrhosis.

Portal pressure-blood volume curves were derived in 13 cirrhotic patients with portal hypertension and oesophageal or gastric varices by measuring portal pressure at two levels of blood volume. Portal pressure varied directly with blood volume. In seven patients where portal pressure was measured at three levels of blood volume separated by 500 ml or more the portal pressure-blood volume relationship was found to be approximately linear.

Blood Pressure↗
PubMed1973

Amylopectin sulphate (SN-263) coats the gastric mucosal surface.

After the application in vitro of (14)C amylopectin sulphate solution to frozen sections of human ulcer-bearing stomach, autoradiography demonstrates localization of amylopectin sulphate to the gastric surface. The affinity of amylopectin sulphate macromolecule for the gastric luminal surface would provide a substrate-bound pepsin inhibitor with a molecular sieve-like action to exclude proteolytic enzymes from the mucosal surface. This protective coating action may mimic the hypothetical role of endogenous gastric mucous substances and account for the action of amylopectin sulphate in human peptic ulcer.

Amylopectin↗
PubMed1973

To cannulate.

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Catheterization↗