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Biomedical subjects

N Kocak

Publications and source records attributed to N Kocak.

26 records · Page 2Linked to original sources
PubMed1970

Supersensitivity and gastric emptying after vagotomy.

Investigations were carried out in man and dog to study the validity of Cannon's law of denervation supersensitivity in relation to parasympathetic denervation of the stomach. Subthreshold doses of carbachol did not accelerate gastric emptying before vagotomy but caused a significant increase in the rate of gastric emptying after vagotomy. These findings may be relevant to aberrations of gastrointestinal motility after vagotomy and may provide the basis of a test for completeness of gastric vagotomy.

Animals↗
PubMedDate not supplied

Trends in major transfusion-transmissible infections among blood donors over 17 years in Istanbul, Turkey.

Infection with hepatitis B virus (HBV), hepatitis C virus (HCV), human immunodeficiency virus (HIV) and syphilis are serious complications of blood transfusion. These infections are routinely screened by blood banks; such tests are obligatory for transfusion safety in Turkey. The results of screening 1 737 943 blood donations from blood centres in Istanbul between 1 January 1987 and 31 December 2003 for HBV, HCV, HIV and syphilis were analysed retrospectively. Hepatitis B surface antigen rates fell from 5.98% in 1987 to 2.07% in 2003. Anti-HCV seropositivity was found to be approximately 0.5%, whereas anti-HIV seropositivity was approximately 0.001%. Rapid plasma reagin rates (test for syphilis) were 0.04% in 1987, and increased to 0.2% in 2002. The decreasing trends observed in data from the 17-year period studied indicate the value of safety measures taken, in particular the implementation of donor screening procedures in 1997.

Blood Banks↗
PubMedDate not supplied

Galactosialidosis in two siblings.

Galactosialidosis is a rare lysosomal storage disease associated with deficiencies of alpha-galactosidase and beta-neurominidase. In this report, two siblings with galactosialidosis, resembling Niemann-Pick disease with the presence of foamy cells in multiple organs, splenomegaly and prominent hepatomegaly, are presented. Galactosidase deficiency and an increased number of urinary sialic acid compounds were determined in these cases, and prenatal diagnosis was performed for their fourth sibling. Besides the presence of the typical clinical features, enzyme study is essential for the diagnosis of lysosomal storage disease and it facilitates in making the prenatal diagnosis.

Child, Preschool↗