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Biomedical subjects

K Lapinleimu

Publications and source records attributed to K Lapinleimu.

29 records · Page 2Linked to original sources

Cardiac manifestations during a Coxsackie B5 epidemic.

During a widespread Coxsackie B5 epidemic which occurred in Finland in the autumn of 1965 18 patients with acute myopericarditis were admitted to Kuopio Central Hospital (530 beds, representing a hospital district with 270,000 inhabitants) within a period of three months.The mean age of these patients was 28 years. Twelve were males and six were females.In 12 cases Coxsackie B5 virus and in one case Coxsackie A9 virus were isolated from the faeces. A significant increase in neutralizing antibodies or high antibody titres (>/=1:128) were noted in 16 cases against Coxsackie B5 and in one case against Coxsackie A9. In two cases the cause of the myopericarditis remained obscure.All the patients had fever. Six showed all classical criteria of pericarditis: chest pain, pericardial rub, E.C.G. changes, and radiologically observable enlargement of the heart. As regards the various criteria, E.C.G. changes were found in all cases. Signs of cardiac tamponade were observed in one patient. Five, in addition, showed aseptic meningitis.All the patients recovered. Twelve were re-examined at an average of seven months after discharge from hospital. All were symptom-free except one, who still showed E.C.G. changes.

Adolescent↗

Elimination of poliomyelitis in Finland.

In Finland paralytic poliomyelitis has disappeared after immunization programs carried out exclusively with inactivated poliovirus vaccine (IPV). A sharp decrease in the number of patients with poliomyelitis occurred after mass vaccination in 1960-1961, when 51% of the population had received the complete primary vaccination. Immunity is maintained by continuous vaccination of infants, whose vaccination rate is close to 98%. Intensive poliovirus surveillance in 1972-1974 revealed that dissemination of the virus has also virtually ceased. Serologic surveys indicate that greater than or equal to 90% of individuals older than 15 years of age possess antibodies to all viral types, but in the younger age groups the proportion with antibodies to types 1 and 3 is lower, a finding that is alarming, especially in the case of type 3. Revaccination of seronegative children and conscripts has induced rapid booster-like responses, indicating that fully vaccinated individuals, although without demonstrable antibodies, are protected against poliomyelitis. The new, improved IPV developed in Holland induces satisfactory antibody titers in all vaccinees, with two injections--or perhaps even one--leading to long-lasting immunity.

Adolescent↗