Los poppers son "profundamente inmunosupresores":

These products have been found to be profoundly immunosuppressive for human lymphocytes in vitro, and their by-products when metabolized into N-nitroso compounds have been known to be highly carcinogenic in many animal species. Recreational use of inhaled volatile nitrites is prevalent among male homosexuals and the compounds have been suspected as possible cofactors in Kaposi's sarcoma associated with the Acquired Immune Deficiency Syndrome (AIDS)

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Homosexual británico que NO tuvo contacto con norteamericanos (ergo difícilmente pudo "infectarse") y que presenta cuadro de SIDA. ¿Causa aducida por los doctores que lo trataron?: Era usuario regular de Poppers.

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Metabolism of N-nitroso compounds produces mutagens, teratogens, and potent carcinogens in 39 different animal species, and volatile nitrites have deleterious effects on human lymphocytes in vitro and in vivo. In relation to the current AIDS epidemic, the timing of production and sales of volatile nitrites for recreational use is the only new life-style factor that might answer the question "why AIDS now?" Prevalence of nitrite use among male homosexuals is very high, and almost every reported case of Kaposi's sarcoma during the past three years includes a history of prior nitrite use. The age of the group of patients in whom Kaposi's sarcoma and AIDS are developing is consistent with a cohort initially exposed seven to 10 years ago. Cessation of nitrite use could reduce the epidemic.

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There are important reasons for considering nitrite inhalation as a factor in the development of AIDS-related KS in young male homosexuals. These are (1) the pharmacologic properties of amyl, butyl, and isobutyl nitrites, which are toxic; (2) the mutagenic, teratogenic, and carcinogenic products resulting from metabolism of N-nitroso compounds; (3) the potent carcinogenicity of N-nitroso compounds in 39 different animal species; and (4) the deleterious effects of volatile nitrites on human lymphocytes both in vitro and in vivo. Specifically related to this epidemic, there are additional reasons for pursuing the connection between nitrite inhalation and development of KS. These include: (1) the timing of the production and sales of volatile nitrites for use as recreational drugs and the subsequent outbreak of the AIDS epidemic (7 to 10 years); (2) the extensive use of nitrites among male homosexuals; (3) the virtual universal history of nitrite use by young male homosexuals in whom KS has developed during the past 3 years; and (4) the age group in which KS is developing is consistent with a cohort initially exposed 7 to 10 years ago.

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Poppers, a new recreational drug craze.

The study was conducted to obtain information on the recreational use of the vasodilators (RVs) amyl nitrite and butyl nitrite in Toronto. The results of 70 interviews (40 complete) indicate that sniffing these RVs gives a 'high' lasting from a few seconds to a few minutes with headache being the most common side effect. None of the more serious side effects mentioned in the literature were reported. RVs are used chiefly in conjunction with sexual activities and dancing. Their use is currently a craze amongst the male homosexual population.

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An investigation of 20 homosexual men with histologically confirmed Kaposi's sarcoma and 40 controls revealed significant associations between Kaposi's sarcoma and use of a number of drugs (amyl nitrite, ethyl chloride, cocaine, phencyclidine, methaqualone, and amphetamine), history of mononucleosis, and sexual activity in the year before onset of the disease. Patients with Kaposi's sarcoma also reported substantially higher rates of sexually transmitted infections than did controls. Multivariate analysis indicated independent significant associations for amyl nitrite and sexual activity and showed use of phencyclidine, methaqualone, and ethyl chloride to be non-significant. Evaluated at the median exposure for patients, the analysis yielded risk-ratio estimates of 12.3 for amyl nitrite (95% confidence limits 4.2, 35.8) and 2.0 for sexual activity (95% confidence limits 1.3, 3.1).

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To identify risk factors that determine the major manifestations of the acquired immunodeficiency syndrome (AIDS), the authors analyzed data from three epidemiologic studies conducted by the Centers for Disease Control. The authors compared patients by outcome of disease. Eighty-seven homosexual patients (47 with Kaposi's sarcoma, 20 with Pneumocystis carinii pneumonia, and 20 with both) had participated in the earlier studies, and their interviews and laboratory test results were available. Compared with patients who have Pneumocystis carinii pneumonia only, patients with Kaposi's sarcoma and those with both diseases reported more different sexual partners, more recreational drug use, higher incomes and higher rates of non-B hepatitis. Multivariate analysis showed that the variable most strongly associated with Kaposi's sarcoma was the use of large quantities of nitrite inhalants. A multifactorial model is postulated to explain the various disease manifestations of AIDS. This study suggests that the use of nitrite inhalants may be a cofactor in the development of Kaposi's sarcoma. By identifying other cofactors, investigators may be able to define additional opportunities for prevention of the development of AIDS.

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The authors interviewed 150 homosexual men to determine the relationship between use of amyl nitrite and certain aspects of homosexuality. They found that the use of amyl nitrite is strongly related to a number of unconventional, deviant sexual practices and to certain medically related problems.


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Atentos a la fecha del artículo: 1979... 2 años antes de los famosos "primeros casos de SIDA" de San Francisco.