Impact of social isolation and coping strategies in older adults with mild cognitive impairment during the covid-19 pandemic: A qualitative study.

OBJECTIVES: The objective of this study was to explore the experiences and feelings of older adults with MCI during the COVID-19 outbreak in Chile and to know what strategies they used to overcome social isolation. METHOD: A qualitative design was used. Ten participants with a diagnosis of MCI took part in this study. All interviews were recorded and coded using thematic analysis. RESULTS: The thematic analysis identified three themes related to the quarantine experience of older adults with MCI diagnosis: (1) Effects of social isolation during the COVID-19 pandemic (2) Believes, feelings and behaviors about the SARS-CoV-2 virus (3) Coping with social isolation/response to difficulties during the pandemic. It was found that older adults with MCI have been mainly psychologically and socially affected by social distancing and isolation, particularly individuals who were alone during COVID-19 outbreak. The only physical dimension negatively affected was the level of activity. Social isolation led to a significant number of negative emotions such as anger, fear of contracting the virus or possibility of contagion for their families, worries and sadness as well as emotional loneliness. It is noteworthy that the majority of participants have used several coping strategies during this challenging time. CONCLUSION: Since social isolation and a sedentary life have been associated with poorer cognition and functionality in people with MCI, a rational plan to both prevent the progression of cognitive decline and to increase social contact, is essential. Special attention must be drawn to maintaining people physically active at home and keeping their daily routine (within the possibilities) and also to ensure social connectedness through technology. Implementation of these measures could potentially reduce negative emotions during the pandemic.

A collaborative, computer-assisted, psycho-educational intervention for depressed patients with chronic disease at primary care: protocol for a cluster randomized controlled trial.

BACKGROUND: Depression and chronic diseases are frequently comorbid public health problems. However, clinical guidelines often fail to consider comorbidities. This study protocol describes a cluster randomized trial (CRT) aimed to compare the effectiveness of a collaborative, computer-assisted, psycho-educational intervention versus enhanced usual care (EUC) in the treatment of depressed patients with hypertension and/or diabetes in primary care clinics (PCC) in Santiago, Chile. METHODS: Two-arm, single-blind, CRT carried out at two municipalities in Santiago, Chile. Eight PCC will be randomly assigned (1:1 ratio within each municipality, 4 PCC in each municipality) to the INTERVENTION or EUC. A total of 360 depressed patients, aged at least 18 years, with Patient Health Questionnaire-9 Item [PHQ-9] scores ≥15, and enrolled in the Cardiovascular Health Program at the participating PCC. Patients with alcohol/substance abuse; current treatment for depression, bipolar disorder, or psychosis; illiteracy; severe impairment; and resident in long-term care facilities, will be excluded. Patients in both arms will be invited to use the Web page of the project, which includes basic health education information. Patients in the INTERVENTION will receive eight sessions of a computer-assisted, psycho-educational intervention delivered by trained therapists, a structured telephone calls to monitor progress, and usual medical care for chronic diseases. Therapists will receive biweekly and monthly supervision by psychologist and psychiatrist, respectively. A monthly meeting will be held between the PCC team and a member of the research team to ensure continuity of care. Patients in EUC will receive depression treatment according to clinical guidelines and usual medical care for chronic diseases. Outcome assessments will be conducted at 3, 6, and 12 months after enrollment. The primary outcome will be depression improvement at 6 months, defined as ≥50% reduction in baseline PHQ-9 scores. Intention-to-treat analyses will be performed. DISCUSSION: This study will be one of the first to provide evidence for the effectiveness of a collaborative, computer-assisted, psycho-educational intervention for depressed patients with chronic disease at primary care in a Latin American country. TRIAL REGISTRATION: retrospectively registered in ClinicalTrials.gov , first posted: November 3, 2020, under identifier: NCT04613076 .

[Socioeconomic determinants and gender gaps in depressive symptoms in Chile]. / Determinantes socioeconómicos y brechas de género de la sintomatología depresiva en Chile.

BACKGROUND: There are marked differences associated with socio-economic factors in the prevalence of depressive symptoms (DS) in men and women. AIM: To estimate the association between socioeconomic status and DS in Chile and to estimate the gender gaps in this association. MATERIAL AND METHODS: The Patient Health Questionnaire-9 (PHQ-9) was applied as part of a socioeconomic survey carried out in a representative community sample (n = 2913). Using this information, we analyzed the influence of social status (education level, occupation, household income) and other psychosocial factors (gender, perceived social support, stressful life events) on DS. RESULTS: The prevalence of DS was 23.2% in women and 13.4% in men. A socioeconomic gradient was found in the distribution of DS. This gradient was more pronounced for women than for men. Gender, social support and stressful life events were the most important predictors of severe DS, with an estimated risk twice as high among women and almost three times as high among those with low social support. CONCLUSIONS: There is a combined effect between socio-economic and gender inequalities on DS. This partially explains the greater vulnerability of poor women and the DS gap between men and women.

Development and validation of a three-item version of the Edinburgh Postnatal Depression Scale.

OBJECTIVE: To develop and validate a brief screening instrument for postpartum depression in resource-constrained primary care settings. METHOD: Secondary data analysis of a cohort of 305 mothers (Mdnage = 26) attending well-child check-ups in six primary care centers in Santiago, Chile, answered the Edinburgh Postnatal Depression Scale (EPDS), the 36-Item Short Form Health Survey, and the Mini International Neuropsychiatric Interview depression module. A predictive model for postpartum depression was built using logistic and least absolute shrinkage and selection operator regressions, with bootstrap validation. RESULTS: A three-item version of the EPDS exhibited excellent discriminative capacity (c statistic = 0.95) and showed no significant differences versus the full version of the EPDS (χ2 (1) = 1.75, p = .187). The best trade-off between sensitivity (92.86%) and specificity (86.70%) was achieved at a cut-off score of 8/9. CONCLUSIONS: The three-item version of the EPDS can save clinicians valuable time, which might potentially improve communication of results to patients.

[Validation of patient health Questionnaire-2 to detect depressive symptoms in diabetic or hypertensive patients]. / Validación inicial de Patient Health Questionnaire 2-Item para detectar síntomas depresivos en diabéticos y/o hipertensos en la atención primaria de salud.

BACKGROUND: Patient Health Questionnaire (PHQ-9) has nine questions and is used in diabetic or hypertensive patients to detect depressive symptoms. The PHQ-2 uses the first two questions of the PHQ-9 to rapidly detect those patients that should answer the whole questionnaire. AIM: To validate the PHQ-2 to detect depressive symptoms in diabetic or hypertensive patients consulting at Primary Health Care (PHC). MATERIAL AND METHODS: Secondary analysis of data obtained during the baseline assessment of a clinical trial. Diabetic and hypertensive patients aged 18 years or more, attending a public health care clinic of Metropolitan Santiago, were invited to participate. Those accepting, answered the Patient Health Questionnaire (PHQ-9), consisting in nine questions about depressive symptoms. Demographics and health data were also collected. The PHQ-2 capacity to discriminate PHQ-9 scores equal or higher than 10 and 15 and the correlation between both versions, were assessed. RESULTS: Ninety-four participants aged 64 ± years (73% women) answered the questionnaire. A cut-off score of 3 or more points in the PHQ-2 achieved the best tradeoff between sensitivity and specificity for discriminating PHQ-9 scores equal or higher than 10 (area under the receiver operating characteristic curve (ROC) = 0.92, 95% confidence interval [95% CI] = 0.87 to 0.97) and 15 points (area under the ROC curve = 0.95, 95% CI = 0.92 to 0.99). Both versions had a high positive correlation (r = 0.87). CONCLUSIONS: The PHQ-2 allows a stepped, simple and accurate screening for depressive symptoms. Diabetic or hypertensive patients with 3 or more points should be immediately assessed with the remaining questions of the PHQ-9.

Remote Collaborative Depression Care Program for Adolescents in Araucanía Region, Chile: Randomized Controlled Trial.

BACKGROUND: Despite evidence on efficacious interventions, a great proportion of depressed adolescents do not receive evidence-based treatment and have no access to specialized mental health care. Remote collaborative depression care (RCDC) may help to reduce the gap between needs and specialized mental health services. OBJECTIVE: The objective of this study was to assess the feasibility, acceptability, and effectiveness of an RCDC intervention for adolescents with major depressive disorder (MDD) living in the Araucanía Region, Chile. METHODS: A cluster randomized, assessor-blind trial was carried out at 16 primary care centers in the Araucanía Region, Chile. Before randomization, all participating primary care teams were trained in clinical guidelines for the treatment of adolescent depression. Adolescents (N=143; 13-19 years) with MDD were recruited. The intervention group (RCDC, N=65) received a 3-month RCDC treatment that included continuous remote supervision by psychiatrists located in Santiago, Chile's capital city, through shared electronic health records (SEHR) and phone patient monitoring. The control group (enhanced usual care or EUC; N=78) received EUC by clinicians who were encouraged to follow clinical guidelines. Recruitment and response rates and the use of the SEHR system were registered; patient adherence and satisfaction with the treatment and clinician satisfaction with RCDC were assessed at 12-week follow-up; and depressive symptoms and health-related quality of life (HRQoL) were evaluated at baseline and 12-weeks follow-up. RESULTS: More than 60.3% (143/237) of the original estimated sample size was recruited, and a response rate of 90.9% (130/143) was achieved at 12-week follow-up. A mean (SD) of 3.5 (4.0) messages per patient were written on the SEHR system by primary care teams. A third of the patients showed an optimal adherence to psychopharmacological treatment, and adolescents in the RCDC intervention group were more satisfied with psychological assistance than those in EUC group. Primary care clinicians were satisfied with the RCDC intervention, valuing its usefulness. There were no significant differences in depressive symptoms or HRQoL between groups. Satisfaction with psychological care, in both groups, was related to a significant change in depressive symptomatology at 12-weeks follow-up (beta=-4.3, 95% CI -7.2 to -1.3). CONCLUSIONS: This is the first trial of its kind in Latin America that includes adolescents from vulnerable backgrounds, with an intervention that proved to be feasible and well accepted by both patients and primary care clinicians. Design and implementation issues may explain similar effectiveness across arms. The effectiveness of the intervention seems to be comparable with an already nationwide established treatment program that proved to be highly efficacious under controlled conditions. TRIAL REGISTRATION: ClinicalTrials.gov: NCT01860443; https://clinicaltrials.gov/ct2/show/NCT01860443 (Archived by WebCite at http://www.webcitation.org/6wafMKlTY).

A Remote Collaborative Care Program for Patients with Depression Living in Rural Areas: Open-Label Trial.

BACKGROUND: In the treatment of depression, primary care teams have an essential role, but they are most effective when inserted into a collaborative care model for disease management. In rural areas, the shortage of specialized mental health resources may hamper management of depressed patients. OBJECTIVE: The aim was to test the feasibility, acceptability, and effectiveness of a remote collaborative care program for patients with depression living in rural areas. METHODS: In a nonrandomized, open-label (blinded outcome assessor), two-arm clinical trial, physicians from 15 rural community hospitals recruited 250 patients aged 18 to 70 years with a major depressive episode (DSM-IV criteria). Patients were assigned to the remote collaborative care program (n=111) or to usual care (n=139). The remote collaborative care program used Web-based shared clinical records between rural primary care teams and a specialized/centralized mental health team, telephone monitoring of patients, and remote supervision by psychiatrists through the Web-based shared clinical records and/or telephone. Depressive symptoms, health-related quality of life, service use, and patient satisfaction were measured 3 and 6 months after baseline assessment. RESULTS: Six-month follow-up assessments were completed by 84.4% (221/250) of patients. The remote collaborative care program achieved higher user satisfaction (odds ratio [OR] 1.94, 95% CI 1.25-3.00) and better treatment adherence rates (OR 1.81, 95% CI 1.02-3.19) at 6 months compared to usual care. There were no statically significant differences in depressive symptoms between the remote collaborative care program and usual care. Significant differences between groups in favor of remote collaborative care program were observed at 3 months for mental health-related quality of life (beta 3.11, 95% CI 0.19-6.02). CONCLUSIONS: Higher rates of treatment adherence in the remote collaborative care program suggest that technology-assisted interventions may help rural primary care teams in the management of depressive patients. Future cost-effectiveness studies are needed. TRIAL REGISTRATION: Clinicaltrials.gov NCT02200367; https://clinicaltrials.gov/ct2/show/NCT02200367 (Archived by WebCite at http://www.webcitation.org/6xtZ7OijZ).

[Screening and barriers for treatment of postpartum depression in Chilean public primary health care centers]. / Depresión posparto: tamizaje, uso de servicios y barreras para su tratamiento en centros de atención primaria.

BACKGROUND: Postpartum depression (PPD) is a public health issue, and appropriate screening may lead to clinical gains. AIM: To describe the screening for PPD, its relationship with the use of health care services, and treatment access barriers in Chilean public primary health care (PHC) centers. MATERIAL AND METHODS: Puerperal women attending PHC centers for a well-child check-up were assessed for the presence of PPD using the Edinburgh Postnatal Depression Scale and a structured psychiatric interview. PPD cases were assessed by telephone three months later. Also, women with PPD and PHC workers were interviewed to explore treatment barriers. RESULTS: Of the 305 women assessed, 21% met diagnostic criteria for PPD. Sixty five percent of assessed women were previously screened for PPD while attending well-child check-ups. The results of the screening were communicated to 60% of them and 28% received some management indication. After three months of follow up, 70% of PPD cases continued to be depressed, and two thirds of them did not consult a health care provider and most of them rejected psychotherapy or medical treatment. CONCLUSIONS: Management of postpartum depression should be substantially improved in public PHC from screening to treatment.

[Screening depressive episodes in adolescents. Validation of the Patient Health Questionnaire-9 (PHQ-9)]. / Tamizaje de episodio depresivo en adolescentes. Validación del instrumento PHQ-9.

BACKGROUND: There is a paucity of validated instruments for screening depression in adolescent populations in Chile. AIM: To determine the diagnostic accuracy of the adolescent version of Patient Health Questionnaire-9 (PHQ-9). MATERIAL AND METHODS: The PHQ-9 was transculturally adapted and administered to adolescents aged 15 to 19 years residing in Santiago de Chile, who were then evaluated with a semi structured interview (Kiddie-Schedule for Affective Disorders and Schizophrenia-Present and Lifetime Version or K-SADS-PL) and the Beck Depression Inventory. Internal validity, concurrent validity, and discriminatory power of the PHQ-9 were analyzed. RESULTS: We evaluated 245 adolescents aged 16.2 ± 1 years (71% females). Two hundred and ten presented with a depressive episode and 35 were healthy. The sensitivity and specificity of the scale were 86.2 and 82.9% for 11 points, with a positive likelihood ratio of 5.02. CONCLUSIONS: The PHQ-9 is sensitive and specific enough to be used as a screening tool in adolescents with suspected depression. At a 11-point cut-off score as proposed, the likelihood to find a positive result in a subject with depression is five times higher.

Standardization of health outcomes assessment for depression and anxiety: recommendations from the ICHOM Depression and Anxiety Working Group.

PURPOSE: National initiatives, such as the UK Improving Access to Psychological Therapies program (IAPT), demonstrate the feasibility of conducting empirical mental health assessments on a large scale, and similar initiatives exist in other countries. However, there is a lack of international consensus on which outcome domains are most salient to monitor treatment progress and how they should be measured. The aim of this project was to propose (1) an essential set of outcome domains relevant across countries and cultures, (2) a set of easily accessible patient-reported instruments, and (3) a psychometric approach to make scores from different instruments comparable. METHODS: Twenty-four experts, including ten health outcomes researchers, ten clinical experts from all continents, two patient advocates, and two ICHOM coordinators worked for seven months in a consensus building exercise to develop recommendations based on existing evidence using a structured consensus-driven modified Delphi technique. RESULTS: The group proposes to combine an assessment of potential outcome predictors at baseline (47 items: demographics, functional, clinical status, etc.), with repeated assessments of disease-specific symptoms during the treatment process (19 items: symptoms, side effects, etc.), and a comprehensive annual assessment of broader treatment outcomes (45 items: remission, absenteeism, etc.). Further, it is suggested reporting disease-specific symptoms for depression and anxiety on a standardized metric to increase comparability with other legacy instruments. All recommended instruments are provided online ( www.ichom.org ). CONCLUSION: An international standard of health outcomes assessment has the potential to improve clinical decision making, enhance health care for the benefit of patients, and facilitate scientific knowledge.

[Psychometric properties of a spanish version of the Beck depression inventory IA]. / Propiedades psicométricas del inventario de depresión de Beck IA para la población chilena.

BACKGROUND: According to the Chilean National Health Survey (2009-2010), 17% of people aged 15 years or more have depressive symptoms. Thus, freely-available, easily-administered, and highly sensitive screening tests for depression are needed in clinical and research settings. AIM: To evaluate the psychometric properties of a Spanish version of the Beck Depression Inventory (BDI-IA) in adult Chilean population. MATERIAL AND METHODS: The inventory was applied to a sample of 1.105 adults aged between 18 to 73 years (94% women). Ninety nine participants were outpatients receiving treatment for affective disorders, 932 were parents and/or guardians of students enrolled in schools and 73 were university students (sample with no known depressive disorder). To perform data analysis, two groups from the random combination of both samples were generated. RESULTS: The inventory showed an appropriate degree of internal consistency (Cronbach alpha = .92). An exploratory factor analysis suggested a one-factor solution. This solution was reinforced with a confirmatory factor analysis, which displayed an adequate goodness of fit. The cutoff score, based on the Youden Index, was 13/14 points. It was able to discriminate between depressed and non-depressed participants. CONCLUSIONS: These results indicate that the BDI-IA is an appropriate instrument to assess depressive symptoms in Chilean adults.

[Comorbidity in people with depression seeking help at primary health care centers in Santiago, Chile]. / Comorbilidad en personas con depresión que consultan en centros de la atención primaria de salud en Santiago, Chile.

BACKGROUND: International evidence has shown the complex interaction between depression and chronic physical diseases. Depression in scenarios involving multiple comorbidities has not received enough attention in Chile. AIM: To characterize the depressed people who consult at Primary Health Care Centers (PHCCs), taking into account the presence of chronic physical or psychiatric comorbidity. MATERIALS AND METHODS: A secondary analysis of databases used in a clinical trial. Two hundred fifty six adults seeking professional help were recruited in four PHCCs located in the Metropolitan Region. These people had a major depressive episode, identified with a structured psychiatric interview (MINI), and gave their informed consent to participate. Socio-demographic information was collected, depressive symptomatology was measured with the patient health questionnaire 9 (PHQ-9), psychiatric morbidity was assessed using the Mini International Neuropsychiatric Interview (MINI), and chronic physical diseases were self-reported by the patients. Descriptive analyses of all the variables were conducted. RESULTS: Seventy percent of patients had a history of depression, with a median of two prior depressive episodes. Depressive symptoms were mostly considered as moderate to severe and severe and 31% of the patients had high suicide risk. Seventy eight percent displayed a physical or psychiatric comorbidity. Of these patients, 29% only had a chronic physical comorbidity, while 46% suffered from an additional psychiatric disorder. CONCLUSIONS: Depressed individuals who seek help at PHCCs constitute an especially complex population that must be treated taking into account multiple comorbidities.

Indicated school-based intervention to improve depressive symptoms among at risk Chilean adolescents: a randomized controlled trial.

BACKGROUND: Depression is a disabling condition affecting people of all ages, but generally starting during adolescence. Schools seem to be an excellent setting where preventive interventions may be delivered. This study aimed to test the effectiveness of an indicated school-based intervention to reduce depressive symptoms among at-risk adolescents from low-income families. METHODS: A two-arm, parallel, randomized controlled trial was conducted in 11 secondary schools in vulnerable socioeconomic areas in Santiago, Chile. High-risk students in year 10 (2° Medio) were invited to a baseline assessment (n = 1048). Those who scored ≥10 (boys) and ≥15 (girls) in the BDI-II were invited to the trial (n = 376). A total of 342 students consented and were randomly allocated into an intervention or a control arm in a ratio of 2:1. The intervention consisted of 8 group sessions of 45 min each, based on cognitive-behavioural models and delivered by two trained psychologists in the schools. Primary (BDI-II) and secondary outcomes (measures of anxiety, automatic thoughts and problem-solving skills) were administered before and at 3 months post intervention. The primary outcome was the recovery rate, defined as the proportion of participants who scored in the BDI-II <10 (among boys) and <15 (among girls) at 3 months after completing the intervention. RESULTS: There were 229 participants in the intervention group and 113 in the control group. At 3-month follow-up 81.4 % in the intervention and 81.7 % in the control group provided outcome data. The recovery rate was 10 % higher in the intervention (50.3 %) than in the control (40.2 %) group; with an adjusted OR = 1.62 (95 % CI: 0.95 to 2.77) (p = 0.08). No difference between groups was found in any of the secondary outcomes. Secondary analyses revealed an interaction between group and baseline BDI-II score. CONCLUSIONS: We found no clear evidence of the effectiveness of a brief, indicated school-based intervention based on cognitive-behavioural models on reducing depressive symptoms among Chilean adolescents from low-income families. More research is needed in order to find better solutions to prevent depression among adolescents. TRIAL REGISTRATION: Current Controlled Trials ISRCTN33871591 . Retrospectively registered 29 June 2011.

Acceptability Study of "Ascenso": An Online Program for Monitoring and Supporting Patients with Depression in Chile.

BACKGROUND: Major depression is a highly prevalent and severe mental disease. Despite the effective treatment options available, the risk of relapse is high. Interventions based on information and communication technologies generate innovative opportunities to provide support to patients after they completed treatment for depression. MATERIALS AND METHODS: This acceptability study evaluated the Internet-based program Apoyo, Seguimiento y Cuidado de Enfermedades a partir de Sistemas Operativos (ASCENSO) in terms of its feasibility and acceptability in a sample of 35 patients in Chile. RESULTS: The study reveals high rates of acceptance and satisfaction among patients who actively used the program. As obstacles, patients mentioned technical problems, a lack of contact with other participants, and an insufficient connection between the program and the health service professionals. CONCLUSIONS: ASCENSO appears to be a promising complement to regular care for depression. Following improvements of the program based on participants' feedback, future research should evaluate its efficacy and cost-effectiveness.

First validation of a Spanish-translated version of the Edinburgh postnatal depression scale (EPDS) for use in pregnant women. A Chilean study.

The objective of the study was to evaluate the psychometric properties of the Edinburg Postnatal Depression Scale (EPDS) to detect depression during pregnancy in Chile. The EPDS was applied to a sample of 111 pregnant women, who were attending an antenatal appointment in primary care centers. The Beck Depression Inventory (BDI-I) was used to assess the convergent validity, and the Depressive Episode module of the MINI was used to identify cases. The factor analysis showed that there was a good fit, with a factor model that explains 57.6 % of the total variance. There was a high degree of internal consistency (Cronbach's α = 0.914) and good convergent validity with the BDI-I (rho = 0.850, p < 0.001). The EPDS was capable of differentiating cases of depression from non-cases. The best cutoff point was between 12 and 13, corresponding to an overall accuracy of 87.4 %. The questionnaire has good psychometric properties and can be useful for detecting cases of depression during pregnancy.

[Barriers restricting postpartum depression treatment in Chile]. / Barreras de acceso a tratamiento de la depresión posparto en Centros de Atención Primaria de la Región Metropolitana: un estudio cualitativo.

BACKGROUND: In Chile, postpartum depression is a prevalent and disabling condition. Universal screening is available but has not been translated into better treatment rates, suggesting the existence of access barriers. AIM: To describe access barriers to postpartum depression treatment in six primary health care clinics in Metropolitan Santiago, Chile. MATERIAL AND METHODS: Twenty women with postpartum depression and 18 primary health care professionals were subjected to a semi-structured interview. A qualitative methodology based on Grounded Theory was used. RESULTS: There are user associated barriers such as lack of knowledge about the disease, a negative conceptualization and rejection of available treatment options. There are also barriers associated with poor network support and some features of the health care system such as long waiting times and lack of coordination between clinical and administrative decisions. CONCLUSIONS: Patient and provider related barriers restricting treatment of postpartum depression were identified.

Relationship of cortisol levels and genetic polymorphisms to antidepressant response to placebo and fluoxetine in patients with major depressive disorder: a prospective study.

BACKGROUND: Increased cortisol levels and genetic polymorphisms have been related to both major depressive disorder and antidepressant treatment outcome. The aim of this study is to evaluate the relationship between circadian salivary cortisol levels, cortisol suppression by dexamethasone and genetic polymorphisms in some HPA axis-related genes to the response to placebo and fluoxetine in depressed patients. METHODS: The diagnosis and severity of depression were performed using the Mini International Neuropsychiatric Interview (M.I.N.I.) and Hamilton depression scale (HAM-D17), respectively. Euthyroid patients were treated with placebo (one week) followed by fluoxetine (20 mg) (two months). Severity of depression was re-evaluated after placebo, three weeks and two months of fluoxetine treatments. Placebo response was defined as HAM-D17 score reductions of at least 25% and to < 15. Early response and response were reductions of at least 50% after three weeks and two months, and remission with ≤ 7 after two months. Plasma TSH, free-T4, circadian salivary cortisol levels and cortisol suppression by dexamethasone were evaluated. Seven genetic polymorphisms located in the Corticotrophin-releasing-hormone-receptor-1 (rs242939, rs242941, rs1876828), Corticotrophin-releasing-hormone-receptor-2 (rs2270007), Glucocorticoid-receptor (rs41423247), FK506-binding-protein-5 (rs1360780), and Arginine-vasopressin (rs3729965) genes were determined. Association analyses between response to placebo/fluoxetine and polymorphism were performed by chi-square or Fisher exact test. Cortisol levels were compared by t-test, ANOVA and the general linear model for repeated measures. RESULTS: 208 depressed patients were recruited, 187 of whom were euthyroid. Placebo responders, fluoxetine responders and remitters exhibited significantly lower circadian cortisol levels than those who did not respond (p-values of 0.014, 0.008 and 0.021 respectively). Patients who abandoned treatment before the third week also exhibited a trend to low cortisol levels (p = 0.057). The polymorphisms rs242939 (CRHR1) and rs2270007 (CRHR2) were not in Hardy-Weinberg equilibrium. Only the rs242939 polymorphism (CRHR1) exhibited association with early response (three weeks) to fluoxetine (p-value = 0.043). No other association between outcomes and polymorphisms was observed. CONCLUSIONS: These results support the clinical relevance of low salivary cortisol levels as a predictor of antidepressant response, either to placebo or to fluoxetine. Only one polymorphism in the CRHR1 gene was associated with the early response. Other factors may be involved in antidepressant response, although further studies are needed to identify them.

[Use of Internet for mental health programs aimed at adolescents]. / Prevención, detección, tratamiento o seguimiento en salud mental de adolescentes a través del uso de Internet: una revisión sistemática cualitativa.

BACKGROUND: The widespread use of INTERNET by adolescents, renders it a simple and accessible means for health care campaigns Aim: To perform a systematic review of ISI publications about INTERNET use for adolescent mental health prevention, detection, treatment or follow up. MATERIAL AND METHODS: Systematic reviews, meta analyses and controlled clinical trials in all languages were searched. Manuscripts without an abstract or only publishing the study design were excluded. All selected articles were critically read. RESULTS: One hundred and five papers were found and 61 were excluded because they did not address the research question. Of the resting 44, only six complied with the search criteria among then, 3 articles correspond to systematic reviews addressing early intervention programs and mental hearth treatment based on Internet; the other 3 articles correspond to controlled clinical trials addressing treatment interventions of anxiety and depression and 1 address on depression prevention program. CONCLUSIONS: INTERNET facilitates the application of mental health promotion, prevention and intervention among adolescents. However the resource is still underused.

[Assessment of a distant collaborative program for the treatment of depression in primary care]. / Programa colaborativo a distancia para el tratamiento de la enfermedad depresiva.

BACKGROUND: In the treatment of depression, primary care teams play an important role, whose effectiveness improves when inserted into a collaborative model of disease management. AIM: To report the results of a clinical trial carried out to test the effectiveness of a collaborative program between primary health teams and specialists supported by an electronic platform. MATERIAL AND METHODS: Physicians from four community hospitals belonging to the Reloncavi Health Service network, recruited 81 patients with depression aged 37 to 43 years, 84% of whom were female. Participants were divided in an active group, which participated in the collaborative program and a control group, which received the usual care, according to the Ministry of Health'’s Guidelines for Depression. The main outcome was the Beck Depression Inventory (BDI-I) score at three months of intervention. RESULTS: Participants had an average of 29.6 points (95% CI: 27.6-31.6) in the BDI-I and 38% of them had a high suicide risk. There were no statistically significant baseline differences between active and control group. In the intervention group, the BDI-I score changed from 30.0 (95% CI 27.0 to 32.8) to 15.3 (95% CI 11.8 to 18.8). In the control group the score changed from 29.2 (95% CI: 26.4-31.9) points to 20.8 (95% CI 16.8 to 24.7). The decrease was significantly higher in the intervention groups. CONCLUSIONS: A program of this kind may be useful to assist primary care teams in remote areas of the country to improve treatment outcomes for depression.

Lessons from scaling up a depression treatment program in primary care in Chile.

In Chile, the National Depression Detection and Treatment Program (Programa Nacional de Diagnóstico y Tratamiento de la Depresión, PNDTD) in primary care is a rare example of an evidence-based mental health program that was scaled up to the national level in a low- or middle-income country. This retrospective qualitative study aimed to better understand how policymakers made the decision to scale up mental health services to the national level, and to explore the elements, contexts, and processes that facilitated the decision to implement and sustain PNDTD. In-depth semistructured interviews with six key informants selected through intentional sampling were conducted in August-December 2008. Interviewees were senior officers at the Ministry of Health who were directly involved in the decision to scale up the program. Results yielded four elements pivotal to the decisionmaking process: scientific evidence, teamwork and leadership, strategic alliances, and program institutionalization. Each element contributed to building consensus, securing funding, attracting resources, and gaining lasting support from policymakers. Additionally, a review of available documentation led the authors to consider sociopolitical context and use of the media to be important factors. While research evidence for the effectiveness of mental health services in the primary care setting continues to accumulate, low- and middle-income countries should get started on the lengthy process of scaling up by incorporating the elements that led to decisionmaking and implementation of the PNDTD in Chile.