Evaluation of QTc interval in Iranian causalities (Janbazan) of Iran-Iraq war receiving maintenance methadone treatment.

J Res Med Sci. 2012 Mar; 17(3): 264-8
Esfahani MA, Vosughi AA, Fatehi MH, Shahsanaee A, Teimuri A

Methadone is a synthetic opioid, used in treatment of chronic pains. The current study was carried out to evaluate the QTc interval in Iranian causalities (Janbazan) of Iran-Iraq war receiving maintenance methadone treatment.In 2010, one hundred war causalities in Isfahan who chronically take daily dose of 20 mg or more of methadone (more than 2 weeks), and did not have the history of cerebrovascular or coronary artery diseases, cardiac pacemaker, congenital prolonged QTC, or taking drugs affecting QTc, or having electrolyte abnormalities, were selected for the study. An electrocardiogram was taken from each patient using cardiofax instrument, and QTC was calculated manually. The data was analyzed using SPSS software with descriptive statistical methods and Pearson’s correlation coefficient.All patients were male and had the mean age of 45.6 ± 6.1 years. The patients received 20-240 mg methadone daily for 1 to 108 months. The QTc was prolonged in 25% of the patients (QTc 5 450 ms), with the mean of 472.72 ± 18.5 ms (range 450-508 ms) and the mean daily dose of methadone 85.2 ± 59.0 mg. No significant relationship was observed between QTC interval on the one hand, and methadone dose (R = 0.025, P = 0.8), duration of treatment (R =-0.048, P = 0.68), age (R = 0.037, P = 0.71), and weight (R = 0.1, P = 0.21) of the patients, on the other hand. None of the patients had faint, syncope, arrhythmia, or sudden death.Oral methadone causes prolongation of QTC interval. However, the dosage of methadone and duration of treatment were not statistically related to QTC interval.
HubMed – Methadone

Using Multiple Cause-of-Death Data to Improve Surveillance of Drug-Related Mortality.

J Public Health Manag Pract. 2012 Dec 21;
Nordstrom DL, Yokoi-Shelton ML, Zosel A

CONTEXT:: Many states and local areas are affected by the national epidemic of drug-related mortality, which recently has shown signs of a rising “licit-to-illicit drug” death ratio. Appropriate local public health surveillance can help monitor and control this epidemic. OBJECTIVE:: Using our state as an example, we sought to illustrate how to describe the changes in drug death rates, causes, and circumstances. In contrast to most other surveillance reports, our approach includes both drug-induced and drug-related deaths as well as both demographic and socioeconomic characteristics of decedents. DESIGN:: Cross-sectional study. SETTING:: All residents of the state of Wisconsin. PARTICIPANTS:: Decedents from 1999 to 2008. MAIN OUTCOME MEASURE:: Annual numbers and population-based rates of deaths due to drugs, including both identified and unidentified drugs. Information was obtained from death certificates with any of approximately 270 underlying, immediate, or contributing cause-of-death codes from the International Classification of Diseases, 10th Revision. RESULTS:: Drug-related death rates increased during much of the 10-year study period, and the male-to-female death ratio rose. The median age at death from drug-related causes was 43 years. Opioid analgesic poisoning surpassed cocaine and heroin poisoning as the most frequent type of fatal drug poisoning. Of all 4828 deaths from drug-related causes-virtually all of which were certified by a county medical examiner or coroner-3410 (71%) were unintentional and 1053 (22%) were suicides. The unintentional-to-suicide death rate ratio grew from 1.6 to 3.5 during the study period. Methadone-related deaths increased from 10 in 1999 to 118 in 2008 (1080%), while benzodiazepine-related deaths rose from 23 to 106 (361%). CONCLUSIONS:: Although premature deaths from drug use and abuse continue to rise, even surpassing deaths due to motor vehicle crash in some states, “multiple causes of death” information from death certificates is available to monitor their occurrence and nature and to inform selection of prevention strategies.
HubMed – Methadone

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