[Pulmonary ventilation in the obese (apropos of the respiratory functional exploration in 59 obese patients)].
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Biomedical subjects
Publications and source records attributed to C Molinié.
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Hepatitis B type 2 infection was observed in 96 French soldiers. A recent stay overseas was reported by 65% of them and an HBsAg chronic carrier state was observed in eight individuals. Anti-pre-S1 and anti-pre-S2 antibodies were not detected after recovery, but HBV DNA was detected in 58% of sera tested.
Antibodies to the pre-S1-encoded sequence of hepatitis B virus (HBV) envelope were detected by ELISA using a synthetic peptide analogue of preS1 proteins, in different groups of HBV-infected subjects and also in hepatitis B vaccine recipients. Such antibodies were specifically found in only 1% of HBsAg chronic carriers including patients with cirrhosis and primary liver cancer. Anti-preS1 were detected in patients with acute hepatitis; in 13% of the HBsAg+ sera obtained before recovery and in 37% of the sera obtained after recovery. Anti-preS1 antibodies were detected in recipients of a plasma-derived vaccine, but not in those receiving a recombinant vaccine. The results indicate that anti-preS1 is an earlier serum marker of HBV clearance than anti-preS2 and anti-S antibodies.
Four synthetic peptides were used to develop an ELISA for detecting hepatitis type E infections. Antibodies to HEV were detected in 54 of 64 patients present during two outbreaks previously recognized as being due to hepatitis E virus. Those patients included French soldiers stationed in Chad at the time, and Algerian civilians residing in Algeria and considered as positive controls. Anti-HEV were also detected in 3 out of 74 cases of sporadic non-A, non-B, non-C hepatitis in France, and in 2 out of 150 anti-HAV-IgM-positive sporadic cases, also in France, but in none of 278 healthy adults from the general French population. Among a total of 34 anti-HEV-positive cases in French subjects, 32 were shown to be associated with travel outside of western Europe; in two cases, however, HEV transmission appeared to have taken place in Europe. Using this ELISA, a rapid drop in anti-HEV antibodies to undetectable levels following the acute phase of the disease was observed in a high proportion of the infected subjects. Thus, the present test would appear to be more suitable for diagnostic purposes than for epidemiological investigations.
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An epidemic of acute non-A, non-B hepatitis (NANBH), observed in 38 young French soldiers in Chad, presumed to be waterborne, allowed to describe the clinical picture of the disease. The main features of this entity were compared with those observed during previously described outbreaks of waterborne NANBH encountered in North Africa and in Asia as well as with 85 cases of viral type A hepatitis of various other geographical origins, observed during the same period of time. Similarities between the clinical features of the disease within every water-transmitted NANBH epidemic center were suggestive of a particular nosologic entity among the non-parenterally transmitted cases of NANBH. In young male subjects, the course of the disease proved to be milder than that of type A viral hepatitis. A 5 ml dose of non-specific French-prepared human immunoglobulins had no prophylactic effects on the disease.
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