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      Incidencia, mortalidad y costos de la atención por cáncer de pulmón en el Instituto Mexicano del Seguro Social Translated title: Incidence, mortality and associated costs of lung cancer in the Mexican Institute of Social Security

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          Abstract

          Resumen: Objetivo: Analizar la tendencia temporal de la incidencia y la mortalidad del cáncer de pulmón, así como los costos asociados con su atención médica. Material y métodos: Se estimó el número de casos incidentes a partir de los egresos hospitalarios de 276 hospitales del Instituto Mexicano del Seguro Social (IMSS) entre 2006 y 2016. Se calcularon tasas de mortalidad crudas y ajustadas. Los costos del tratamiento ambulatorio y hospitalario se calcularon con base en los costos médico-técnicos de referencia o costos estándar de 2015. Resultados: Tanto la incidencia como la mortalidad muestran tendencia descendente. El costo de la atención médica de los 2 539 pacientes de 2017 fue de 42 millones de dólares americanos, con costo promedio por paciente de 16 527 dólares americanos. El gasto promedio anual de pensiones por invalidez es de 97.2 millones de pesos. Conclusiones: Es probable que la reducción del riesgo de enfermar y morir por cáncer de pulmón en derechohabientes del IMSS se deba a las medidas de control del humo de tabaco. Todavía es necesario establecer estrategias para diagnosticar y tratar a los pacientes en estadios tempranos.

          Translated abstract

          Abstract: Objective: To describe temporal trends in lung cancer incidence, mortality and associated health care costs in the Mexican Institute of Social Security. Materials and methods: Incident cases were estimated from hospital discharges in 276 IMSS hospitals between 2006 and 2016. Crude and adjusted mortality rates were calculated. The costs of outpatient and inpatient treatment were calculated based on the medical-technical costs of reference o standard cost. Results: Both incidence and mortality had a decreased time trend. The cost of medical care for the 2 539 patients in 2017 was 42 million US dollars, with an average cost per patient of 16 537 US dollars. The cost per annum of disability pensions is 97.2 million pesos. Conclusions: It is likely that the reduction of the risk of getting sick and dying from lung cancer in IMSS affiliates is due to the control measures of tobacco smoke. It is still necessary to establish strategies to diagnose and treat patients in early stages.

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          Survival of patients with non-small cell lung cancer without treatment: a systematic review and meta-analysis

          Background Lung cancer is considered a terminal illness with a five-year survival rate of about 16%. Informed decision-making related to the management of a disease requires accurate prognosis of the disease with or without treatment. Despite the significance of disease prognosis in clinical decision-making, systematic assessment of prognosis in patients with lung cancer without treatment has not been performed. We conducted a systematic review and meta-analysis of the natural history of patients with confirmed diagnosis of lung cancer without active treatment, to provide evidence-based recommendations for practitioners on management decisions related to the disease. Specifically, we estimated overall survival when no anticancer therapy is provided. Methods Relevant studies were identified by search of electronic databases and abstract proceedings, review of bibliographies of included articles, and contacting experts in the field. All prospective or retrospective studies assessing prognosis of lung cancer patients without treatment were eligible for inclusion. Data on mortality was extracted from all included studies. Pooled proportion of mortality was calculated as a back-transform of the weighted mean of the transformed proportions using the random-effects model. To perform meta-analysis of median survival, published methods were used to pool the estimates as mean and standard error under the random-effects model. Methodological quality of the studies was examined. Results Seven cohort studies (4,418 patients) and 15 randomized controlled trials (1,031 patients) were included in the meta-analysis. All studies assessed mortality without treatment in patients with non-small cell lung cancer (NSCLC). The pooled proportion of mortality without treatment in cohort studies was 0.97 (95% CI: 0.96 to 0.99) and 0.96 in randomized controlled trials (95% CI: 0.94 to 0.98) over median study periods of eight and three years, respectively. When data from cohort and randomized controlled trials were combined, the pooled proportion of mortality was 0.97 (95% CI: 0.96 to 0.98). Test of interaction showed a statistically non-significant difference between subgroups of cohort and randomized controlled trials. The pooled mean survival for patients without anticancer treatment in cohort studies was 11.94 months (95% CI: 10.07 to 13.8) and 5.03 months (95% CI: 4.17 to 5.89) in RCTs. For the combined data (cohort studies and RCTs), the pooled mean survival was 7.15 months (95% CI: 5.87 to 8.42), with a statistically significant difference between the two designs. Overall, the studies were of moderate methodological quality. Conclusion Systematic evaluation of evidence on prognosis of NSCLC without treatment shows that mortality is very high. Untreated lung cancer patients live on average for 7.15 months. Although limited by study design, these findings provide the basis for future trials to determine optimal expected improvement in mortality with innovative treatments.
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            Will chronic e-cigarette use cause lung disease?

            Chronic tobacco smoking is a major cause of preventable morbidity and mortality worldwide. In the lung, tobacco smoking increases the risk of lung cancer, and also causes chronic obstructive pulmonary disease (COPD), which encompasses both emphysema and chronic bronchitis. E-cigarettes (E-Cigs), or electronic nicotine delivery systems, were developed over a decade ago and are designed to deliver nicotine without combusting tobacco. Although tobacco smoking has declined since the 1950s, E-Cig usage has increased, attracting both former tobacco smokers and never smokers. E-Cig liquids (e-liquids) contain nicotine in a glycerol/propylene glycol vehicle with flavorings, which are vaporized and inhaled. To date, neither E-Cig devices, nor e-liquids, are regulated by the Food and Drug Administration (FDA). The FDA has proposed a deeming rule, which aims to initiate legislation to regulate E-Cigs, but the timeline to take effect is uncertain. Proponents of E-Cigs say that they are safe and should not be regulated. Opposition is varied, with some opponents proposing that E-Cig usage will introduce a new generation to nicotine addiction, reversing the decline seen with tobacco smoking, or that E-Cigs generally may not be safe and will trigger diseases like tobacco. In this review, we shall discuss what is known about the effects of E-Cigs on the mammalian lung and isolated lung cells in vitro. We hope that collating this data will help illustrate gaps in the knowledge of this burgeoning field, directing researchers toward answering whether or not E-Cigs are capable of causing disease.
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              A retrospective analysis of delays in the diagnosis of lung cancer and associated costs

              Purpose Diagnosis of lung cancer at advanced stages can result in missed treatment opportunities, worse outcomes, and higher health care costs. This study evaluated the wait time to diagnose non-small-cell lung cancer (NSCLC) and the cost of diagnosis and treatment based on the stage at diagnosis. Patients and methods Adult patients diagnosed with NSCLC between January 2007 and September 2011 were identified from a proprietary oncology registry and linked to health insurance claims from a large US health insurance company. Continuous enrollment in the health plan was required for at least 12 months prediagnosis (baseline) and at least 3 months postdiagnosis (follow-up). Use of diagnostic tests and time to diagnosis were examined. The rates of health care utilization and per-patient per-month (PPPM) health care costs were calculated. Results A total of 1,210 patients with NSCLC were included in the analysis. Most patients (93.6%) had evidence of diagnostic tests beginning 5 to 6 months prior to diagnosis, and most were diagnosed at an advanced stage (23% Stage IIIb and 46% Stage IV). The PPPM total health care costs in USD pre- and postdiagnosis were $2,407±$3,364 (mean±standard deviation) and $16,577±$33,550, respectively. PPPM total health care costs and utilization after lung cancer diagnosis were significantly higher among patients diagnosed at Stage IV disease and lowest among patients diagnosed at Stage I disease ($7,239 Stage I, $9,484 Stage II, $11,193 Stage IIIa, $17,415 Stage IIIb, and $21,441 Stage IV). Conclusion This study showed that most patients experienced long periods of delay between their first diagnostic test for lung cancer and a definitive diagnosis, and the majority were diagnosed at advanced stages of disease. Costs associated with the management of lung cancer increased substantially with higher stages at diagnosis. Procedures that diagnose lung cancer at earlier stages may allow for less resource use and costs among patients with lung cancer.
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                Author and article information

                Journal
                spm
                Salud Pública de México
                Salud pública Méx
                Instituto Nacional de Salud Pública (Cuernavaca, Morelos, Mexico )
                0036-3634
                June 2019
                : 61
                : 3
                : 257-264
                Affiliations
                [1] Ciudad de México orgnameInstituto Mexicano del Seguro Social orgdiv1Dirección de Prestaciones Médicas orgdiv2Unidad de Atención Primaria a la Salud Mexico
                [2] Ciudad de México orgnameInstituto Mexicano del Seguro Social orgdiv1Dirección de Prestaciones Médicas orgdiv2Coordinación de Planeación en Salud Mexico
                Article
                S0036-36342019000300257 S0036-3634(19)06100300257
                10.21149/9808
                438e30cf-c5d5-4e63-ad06-a2c733738238

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

                History
                : 03 October 2018
                : 07 June 2018
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 29, Pages: 8
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                SciELO Public Health

                Self URI: Texto completo solamente en formato PDF (ES)
                Categories
                Artículos originales

                mortalidad,incidence studies,lung neoplasms,seguridad social,cáncer de pulmón,mortality,illness cost,social security,incidencia,costos

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