Neuropsychiatric symptoms in a patient under cystic fibrosis transmembrane conductance regulator modulators treatment: a case report

In recent times, some research has focused on the study of potential treatments for cystic fibrosis (CF), such as cystic fibrosis transmembrane conductance regulator (CFTR) modulators. These treatments have been reported to produce neuropsychiatric symptoms in a few patients, even though there is still no clear correlation nor underlying mechanism proposed. We present the case of a 23-year-old woman with CF and no previous psychiatric history who was admitted to our inpatient psychiatric unit presenting a wide range of neuropsychiatric symptoms, such as disorganized speech, bizarre poses or persecutory delusional ideation, after going under CFTR modulators treatment. After several diagnostic tests, other possible organic causes were ruled out. Multiple antipsychotic treatments were tested during her admission, with poor tolerance and scarce response. Finally, symptomatic remission was only observed after electroconvulsive therapy was initiated. The final diagnostic hypothesis was unspecified psychosis. This case highlights the relevance of considering the possibility of neuropsychiatric symptoms appearing in patients under CFTR modulators treatment.

Sex Differences in Serum Prolactin Levels in Children and Adolescents on Antipsychotics: A Systematic Review and Meta-Analysis

BACKGROUND

Serum prolactin levels are influenced by sex, physical development and medications among other factors. Antipsychotics usually increase serum prolactin levels in both adults and younger patients, but no study has reviewed the potential association between sex and vulnerability for developing hyperprolactinemia among children and adolescents.

OBJECTIVE

Systematic review and meta-analysis of serum prolactin levels in children and adolescents on antipsychotic treatment for any psychiatric diagnosis to determine the effect of sex.

METHODS

A systematic search was performed in MEDLINE/PubMed/Web of Science and Cochrane databases for randomized controlled trials of antipsychotics in children and adolescents reporting serum prolactin levels by sex.

RESULTS

Of 1278 identified records, seven studies were included, comparing different single antipsychotics to placebo (risperidone N=4; lurasidone N=1; olanzapine N=1; queriapine N=1). Both male and female children and adolescents on antipsychotics presented a significant increase in prolactin levels relative to subjects receiving a placebo. (Male: 16.53 with 95% CI: 6.15-26.92; Female: 26.97 with 95% CI: 9.18-44.75). The four studies using risperidone had similar findings (Male: 26.49 with 95% CI: 17.55-35.43; Female: 37.72 with 95% CI: 9.41-66.03). In the direct comparison between sexes, females showed greater increases in prolactin, but the differences were not statistically significant.

CONCLUSION

Serum prolactin levels are increased in children and adolescents of both sexes on antipsychotics, with females showing a slightly greater increase than males. Further research is needed to clarify the influence of sex and pubertal status on prolactin levels in children and adolescents taking antipsychotics.

Neuroleptic Malignant Syndrome: A case report and a literature review

Introduction

Neuroleptic malignant syndrome (NMS) may be a life-threatening neurologic crisis primarily emerging as an idiosyncratic reaction to antipsychotic agent use, and characterized by a particular clinical syndrome of mental status alter, rigidity, fever and dysautonomia. Mortality results straightforwardly from the dysautonomic manifestations of the disease and from systemic complications.

Objectives

To describe an unusual clinical case in order to determine the management regarding medication and electroconvulsive therapy (ECT), and provide an overview of NMS for the general practitioner with the most up-to-date information on etiology, workup, and management.

Methods

We report a case involving a 55-year-old man with paranoid schizophrenia disorder who presented with hyperthermia, hemodynamic instability, miosis, muscular rigidity, urinary incontinence, catatonic signs and mutism after combining several antipsychotics at the same time: long-acting injectable form of paliperidone, aripiprazol and haloperidol.

Results

Guidelines for specific medical treatments in NMS are based upon case reports and clinical experience. Generally used agents are dantrolene, bromocriptine, and amantadine. A conceivable approach is to start with benzodiazepines along with dantrolene in moderate or severe cases, followed by the addition of bromocriptine or amantadine. ECT is generally reserved for patients not responding to other treatments.

Conclusions

NMS is an uncommon adverse drug reaction, with a multifactor pathophysiology and manifestation. Early diagnosis and interruption of antipsychotic therapy is the first-line treatment, followed by supportive care and pharmacotherapy. ECT is an effective treatment when supportive treatment together with pharmacotherapy fails. It could be considered first line in severe life-threatening situations. It is advisable to consider maintenance ECT due to the high risk of relapse.

Disclosure

No significant relationships.

Role of MAOI drugs as triggers of manic episodes in bipolar disorders: A case report and a narrative review

Introduction

Use of Monoamine Oxidase Inhibitors (MAOIs) has experimented an important reduction in recent years, being replaced by other antidepressant drugs (ADs) associated with a better safety profile. Its use has been restricted to instructed professionals treating resistant and atypical depression. Thus, treatment-emergent affective switch (TEAS) induced by MAOIs is a rare event nowadays.

Objectives

To describe a manic episode associated to a one-year-long treatment with phenelzine, a MAOI agent.

Methods

We present the case of a 47-year-old man hospitalized in our acute psychiatric unit after presenting compatible clinical symptoms with a manic episode. He showed severe irritability, decreased need for sleep, pressured speech, increased energy and goal-directed activities. The patient had started phenelzine a year ago for the treatment of major depressive episode resistant to previous pharmacological essayed treatments. No previous history of TEAS was reported, although he had already taken other ADs and mood-stabilizer treatments in the past.

Results

Several studies reported the effectiveness of MAOIs for the treatment of monopolar depressive episodes resistant to other ADs, especially when atypical symptoms were observed. Data on the use of MAOIs for the treatment of drug-resistant bipolar depressive episodes is scarce. Few studies have described a good response without showing and increased risk of TEAS.

Conclusions

As MAOIs have fallen out of favour with modern psychiatry, there is scarce evidence on the prevalence of TEAS in patients undergoing treatment with these drugs. Further research is needed in order to accurately define these complex relationships.

Disclosure

No significant relationships.

Pseudobulbar affect as an early manifestation of HIV-related toxoplasmosis

Introduction

Pseudobulbar affect (PBA) is an emotional disorder characterized by uncontrollable outbursts of laughing and/or crying. It is caused by lesions that damage pathways in the frontal lobe and descending to the brain stem, basis pontis and cerebellum. The main causes are neurodegenerative diseases.

Objectives

To present a case of PBA secondary to cerebral toxoplasmosis.

Methods

The present study is a case report of a patient admitted for HIV-related toxoplasmosis to our hospital. We also researched previous case reports of PBA secondary to CNS infection using a pubmed query.

Results

Mr. JA is a 38-year-old male, with no prior psychiatric or medical history. He reported having had same-sex sexual encounters previously. He was admitted for ataxia and dysarthria in a medical unit, and diagnosed of HIV infection, with a CD4 count of 19 cells/μL. The MRI showed a lesion of 22x19x18mm with ring enhancement predominantly in basis pontis, compatible with toxoplasmosis(Image1). Treatment with sulfadiazine, pyrimethamine and dexamethasone was initiated. After five days of hospitalization he was referred to Consultation-Liaison Psychiatry for involuntary and uncontrollable outbursts of laughing and crying, insomnia, but no other psychopathological symptoms. Therefore, citalopram 20mg per day was started, with reduction on the frequency of outbursts.

Conclusions

The clinical presentation suggested the diagnosis of PBA due to cerebral toxoplasmosis. Although we found no previous reports of PBA related to HIV infection or toxoplasmosis, the location of the toxoplasmosis lesion is congruent with the typical damaged pathways in PBA. To our knowledge, this is the first report about PBA secondary to HIV-related toxoplasmosis.

Disclosure

No significant relationships.

Atrial fibrillation debut following first electroconvulsive therapy combined with venlafaxine: a case report and a literature review

Introduction

Cardiovascular events (CVE) are infrequent adverse effects in patients receiving electroconvulsive therapy (ECT). Nonetheless, it constitutes a threat for patient’s life and may compromise continuing ECT.

Objectives

To describe a case of acute-onset atrial fibrillation under combined therapy with ECT and venlafaxine.

Methods

We present a 76-year-old man diagnosed of delusional disorder and without any previous CVE, who was hospitalized in our acute psychiatric unit by major depressive episode with psychotic symptoms resistant to pharmacological treatment (valproic-acid 100mg/d, haloperidol 6mg/d, venlafaxine 300mg/d). ECT was initiated presenting atrial fibrillation after first session of ECT, requiring amiodarone and anticoagulant treatment for stabilization. Second session of ECT was delayed for three-weeks, worsening the psychiatric symptoms. Haloperidol was discontinued initiating lurasidone with better cardiovascular profile.

Results

CVE occur in 2% of the patients receiving ECT, being acute arrhythmia the most frequent one. Among them, few cases of atrial fibrillation (AF) under ECT have been reported. It has been hypothesised that initial vagal response followed by catecholamine surge secondary to ECT could facilitate the development of AF. In addition venlafaxine, an antidepressant drug, may also predispose to arrhythmia in high-risk individuals. High doses of venlafaxine (>300mg/d) combined with ECT have been related with an increment of CVE.

Conclusions

Although clinically effective for the treatment of major depression disorder, combined therapy of ECT and venlafaxine could precipitate the start of a CVE in genetically susceptible individuals. Therefore, identify and clarify potential risk factors other than previous history of CVE is critical to reduce morbidity and mortality in these patients.

Disclosure

No significant relationships.

Parkinson’s Disease and Bipolar Disorder: a case report and narrative review

Introduction

Bipolar disorder (BD) is considered a risk factor for developing Parkinson’s Disease (PD) because of an altered dopamine activity in both entities. Comorbidity may delay diagnosis and difficult therapeutic management.

Objectives

To describe the case of a patient with both BD and PD and to determine the appropriate diagnostic and therapeutic approach for patients presenting both entities.

Methods

We present the case of a 58-year-old woman attended in our neurology unit due to the initial presence of visual hallucinations as a core symptom.

Results

Psychotic symptoms as hallucinations and off-times, frequently observed in PD, may be misdiagnosed with a worsening of depressive polarity of BD. Thus, overlap between symptoms may lead to a challenging differential diagnosis. Moreover, there is no consensus about the therapeutic management of the comorbidity, due to the bidirectional worsening of symptoms when treatment is adjusted. In our case, a diagnosis of dopaminergic psychosis was made so antipsychotic treatment with quetiapine 50 mg/d was initiated. A worsening of symptoms was observed, presenting the patient a stuporous status, mutism and generalized rigidity. Neuroimaging and lumbar puncture were performed showing no alterations; electroencephalogram showed diffuse slowing. Final diagnosis was an off-episode of PD and a multifactorial encephalopathy resulting in visual hallucinations.

Conclusions

Coexistence of PD and BD may lead to a diagnostic and therapeutic delay and therefore a worse prognosis. Although these diseases are well-known, it is still challenging to manage patients presenting both entities. Further research is needed to clarify the proper diagnostic and therapeutic approach for these patients.

Disclosure

No significant relationships.

Cariprazine as a useful treatment for patients with schizophrenia and antipsychotic-induced extrapyramidal symptoms: a case report and literature review

Introduction

The discovery of second-generation antipsychotics represented an authentic breakthrough for the management of psychotic disorders. Nevertheless, they still don’t adequately manage some aspects of these disorders, such as negative symptoms (NS), cognitive impairment, or extra-pyramidal symptoms (EPS). New-generation antipsychotics present different pharmacological mechanisms and have been reported to ameliorate these aspects. Among them, cariprazine acts as a D2/D3 partial agonist with variable affinity with serotoninergic receptors, and many studies show its efficacy for preventing and treating positive symptoms as well as for the management of NS and EPS.

Objectives

To report a case of a patient diagnosed with schizophrenia with highly invalidating antipsychotic-induced EPS that remitted after switching to cariprazine, while maintaining clinical stability. To review literature about cariprazine and its relationship with NS and EPS.

Methods

We describe the case of a 66-year-old woman diagnosed with schizophrenia and under treatment with three-month injectable paliperidone 175mg. During her follow-up at outpatient clinic, she presented a progressively highly invalidating non-trembling parkinsonian syndrome attributable to medication. Paliperidone plasmatic levels were within therapeutic range. An antipsychotic switch was agreed, and cariprazine was started.

Results

The switch from a second-generation antipsychotic to cariprazine entailed the remission of a highly invalidating EPS while improving some of the NS and maintaining psychopathological stability.

Conclusions

Assessing and differentiating NS and EPS is of an utmost importance during the follow-up of patients under antipsychotic treatment. Cariprazine is an interesting alternative when treating patients diagnosed with psychotic disorders that present mostly NS and antipsychotic-induced EPS.

Disclosure

No significant relationships.

Lurasidone-induced mania: A case report

Introduction

Lurasidone is an atypical antipsychotic agent with potential antidepressant effects through its antagonist activity at the 5-HT7 receptor. Although treatment-emergent affective switch (TEAS) induced by second-generation antipsychotics are not frequent, several cases have been reported. To our knowledge, there is no evidence of lurasidone-induced TEAS.

Objectives

To describe a case of lurasidone-induced mania.

Methods

We describe a clinical case of a patient admitted to our psychiatric outpatient unit who developed a manic episode, presumably induced by the introduction of lurasidone. We also conduct a review of the literature on this subject.

Results

A 37-year-old man diagnosed with obsessive-compulsive disorder (OCD) and an alcohol use disorder was hospitalized due to OCD decompensation with depressive symptomatology and suicidal thoughts, and for alcohol detoxification process. Since he had a previous history of clomipramine-induced TEAS, he was started on lurasidone up to 111mg to avoid the use of antidepressants, showing a progressive improvement of depressive symptoms. Thus, the patient was discharged when alcohol detoxification process was completed. Eight days after discharge, the patient began to show manic symptoms, so he had to be readmitted. Lurasidone was discontinued and valproic acid up to 1000mg/day as mood stabilizer was added, presenting a positive remission of manic symptoms.

Conclusions

According to our experience, lurasidone may have induced an affective switch in this patient. Based on our findings, patients and psychiatrists should monitor possible lurasidone-induced mood switching. However, further research is needed in order to back-up this one case report findings.

Disclosure

No significant relationships.

Radiofrequency-assisted transection of the pancreas vs stapler in distal pancreatectomy: a propensity score matched cohort analysis

To demonstrate the efficacy of radiofrequency for pancreatic stump closure in reducing the incidence of postoperative pancreatic fistula (POPF) in distal pancreatectomy (DP) compared with mechanical transection methods. Despite all the different techniques of pancreatic stump closure proposed for DP, best practice for avoiding POPF remains an unresolved issue, with an incidence of up to 30% regardless of center volume or surgical expertise. DP was performed in a cohort of patients by applying radiofrequency to stump closure (RF Group) and compared with mechanical closure (Control Group). A propensity score (PS) matched cohort study was carried out to minimize bias from nonrandomized treatment assignment. Cohorts were matched by PS accounting for factors significantly associated with either undergoing RF transection or mechanical closure through logistic regression analysis. The primary end-point was the incidence of clinically relevant POPF (CR-POPF). Of 89 patients included in the whole cohort, 13 case patients from the RF-Group were 1:1 matched to 13 control patients. In both the first independent analysis of unmatched data and subsequent adjustment to the overall propensity score-matched cohort, a higher rate of CR-POPF in the Control Group compared with the RF-Group was detected (25.4% vs 5.3%, p = 0.049 and 53.8% vs 0%; p = 0.016 respectively). The RF Group showed better outcomes in terms of readmission rate (46.2% vs 0%, p = 0.031). No significant differences were observed in terms of mortality, major complications (30.8% vs 0%, p = 0.063) or length of hospital stay (5.7 vs 5.2 days, p = 0.89). Findings suggest that the RF-assisted technique is more efficacious in reducing CR-POPF than mechanical pancreatic stump closure.

Gallbladder disease and pancreatic cancer risk: a multicentric case-control European study

BACKGROUND AND AIMS

The overall evidence on the association between gallbladder conditions (GBC: gallstones and cholecystectomy) and pancreatic cancer (PC) is inconsistent. To our knowledge, no previous investigations considered the role of tumour characteristics on this association. Thus, we aimed to assess the association between self-reported GBC and PC risk, by focussing on timing to PC diagnosis and tumour features (stage, location, and resection).

METHODS

Data derived from a European case-control study conducted between 2009 and 2014 including 1431 PC cases and 1090 controls. We used unconditional logistic regression models to estimate odds ratios (ORs) and corresponding 95% confidence intervals (CIs) adjusted for recognized confounders.

RESULTS

Overall, 298 (20.8%) cases and 127 (11.6%) controls reported to have had GBC, corresponding to an OR of 1.70 (95% CI 1.33-2.16). The ORs were 4.84 (95% CI 2.96-7.89) for GBC diagnosed <3 years before PC and 1.06 (95% CI 0.79-1.41) for ≥3 years. The risk was slightly higher for stage I/II (OR = 1.71, 95% CI 1.15-2.55) vs. stage III/IV tumours (OR = 1.23, 95% CI 0.87-1.76); for tumours sited in the head of the pancreas (OR = 1.59, 95% CI 1.13-2.24) vs. tumours located at the body/tail (OR = 1.02, 95% CI 0.62-1.68); and for tumours surgically resected (OR = 1.69, 95% CI 1.14-2.51) vs. non-resected tumours (OR = 1.25, 95% CI 0.88-1.78). The corresponding ORs for GBC diagnosed ≥3 years prior PC were close to unity.

CONCLUSION

Our study supports the association between GBC and PC. Given the time-risk pattern observed, however, this relationship may be non-causal and, partly or largely, due to diagnostic attention and/or reverse causation.

Psychiatric Clinical Profiles and Pharmacological Interactions in COVID-19 Inpatients Referred to a Consultation Liaison Psychiatry Unit: a Cross-Sectional Study

The Coronavirus Disease 2019 (COVID-19) can affect mental health in different ways. There is little research about psychiatric complications in hospitalized patients with COVID-19. The aim of the study was to describe the psychiatric clinical profile and pharmacological interactions in COVID-19 inpatients referred to a Consultation-Liaison Psychiatry (CLP) unit. This is a cross-sectional study, carried out at a tertiary hospital in Spain, in inpatients admitted because of COVID-19 and referred to our CLP Unit from March 17,2020 to April 28,2020. Clinical data were extracted from electronic medical records. The patients were divided in three groups depending on psychiatric diagnosis: delirium, severe mental illness (SMI) and non-severe mental illness (NSMI). Of 71 patients included (median [ICR] age 64 [54-73] years; 70.4% male), 35.2% had a delirium, 18.3% had a SMI, and 46.5% had a NSMI. Compared to patients with delirium and NSMI, patients with SMI were younger, more likely to be institutionalized and were administered less anti-COVID19 drugs. Mortality was higher among patients with delirium (21.7%) than those with SMI (0%) or NSMI (9.45%). The rate of side effects due to interactions between anti-COVID19 and psychiatric drugs was low, mainly drowsiness (4.3%) and borderline QTc prolongation (1.5%). Patients affected by SMI were more often undertreated for COVID-19. However, the rate of interactions was very low, and avoidable with a proper evaluation and drug-dose adjustment. Half of the patients with SMI were institutionalized, suggesting that living conditions in residential facilities could make them more vulnerable to infection.

Psychiatric clinical profiles and pharmacological interactions in COVID-19 inpatients referred to a consultation liaison psychiatry unit

Introduction

The Coronavirus Disease 2019 (COVID-19) can affect mental health in different ways. There is little research about psychiatric complications in hospitalized patients with COVID-19.

Objectives

The aim of the study was to describe the psychiatric clinical profile and pharmacological interactions in COVID-19 inpatients referred to a Consultation-Liaison Psychiatry (CLP) unit.

Methods

This is a cross-sectional retrospective study, carried out at a tertiary hospital in Spain, in inpatients admitted because of COVID-19 and referred to our CLP Unit from March 17,2020 to April 28,2020. Clinical data were extracted from electronic medical records. The patients were divided in three groups depending on psychiatric diagnosis: delirium, severe mental illness (SMI) and non-severe mental illness (NSMI).

Results

Of 71 patients included (median [ICR] age 64 [54-73] years; 70.4% male), 35.2% had a delirium, 18.3% had a SMI, and 46.5% had a NSMI. Compared to patients with delirium and NSMI, patients with SMI were younger, more likely to be institutionalized and were administered less anti-COVID19 drugs. Mortality was higher among patients with delirium (21.7%) than those with SMI (0%) or NSMI (9.45%). The rate of side effects due to interactions between anti-COVID19 and psychiatric drugs was low, mainly drowsiness (4.3%) and borderline QTc prolongation (1.5%).

Conclusions

Patients affected by SMI were more often undertreated for COVID-19. However, the rate of interactions was very low, and avoidable with a proper evaluation and drug-dose adjustment. Half of the patients with SMI were institutionalized, suggesting that living conditions in residential facilities could make them more vulnerable to infection.

Disclosure

No significant relationships.

Dhat syndrome: A case report on a culture-bound challenge

Introduction

Dhat Syndrome is a culture-bound entity frequent in the Indian subcontinent. It is characterized by somatic symptoms, together with depressive and anxiety features, specifically focused on the belief of losing semen through urine¹.

Objectives

To describe an atypical Dhat Syndrome case in European cultural context,and to determine the appropriate diagnostic frame and subsequent therapeutic approach.

Methods

We present the case of a 37-year-old Indian man attended in our psychiatric outpatient unit mainly due to somatic complaints (gastrointestinal, sexual dysfunction, weakness, and dizziness). He interpreted his problem as possibly due to diabetes and hypothyroidism, and specifically from sugar loss in urine. Organic diseases were excluded.

Results

Although considered as culture-bound, Dhat syndrome has been classified as a subtype of depression, anxiety disorder, somatoform disorder^2,3,4, and even a prodromal phase of schizophrenia⁵. Antidepressants and benzodiazepines are the most recommended pharmacological treatments¹. Antipsychotic agents have been used when clear psychotic symptoms were present (auditory hallucinations,delusions)⁵. Nonetheless, paliperidone 6mg/d was initiated at baseline, with good response and partial remission of the symptoms at two weeks, despite the absence of clear psychotic features. Culturally-informed cognitive-behavioural therapy, as well as sexual education could be beneficial were planned and initiated¹.

Conclusions

Data on Dhat Syndrome is scarce, yet agreement exist in considering the cultural context of the patient to avoid diagnostic delays. The adequate treatment remains uncertain. Antipsychotics may be a potential treatment. Further research is necessary to clarify the nature of this syndrome but European clinicians must be aware of culturally-mediated psychiatric manifestations which are increasingly prevalent due to globalization.

Disclosure

No significant relationships.

PET/TC imaging with somatostatin analogues for assessment of neuroendocrine tumors, initial experience

PET with somatostatin analogues (SSA PET/CT) enables the detection of cells with overexpression of somatostatin receptors, especially subtypes 2 and 5; this detection is variable depending on the type of molecule used. This is the basis for its use in the study of neuroendocrine tumours (NETs), which are characterized by an overexpression of these receptors in more than 80% of the subtypes. This PET is now being used in our country supported by the good results published by other groups, that were superior to those of other imaging techniques. We present two of the first cases of SSA-PET/CT with ⁶⁸Ga-edotreotide (SomaKit TOC®) performed in our centre. SSA-PET/CT was the test that finally determined the clinical management of both patients.

Risk of pancreatic cancer associated with family history of cancer and other medical conditions by accounting for smoking among relatives

Background

Family history (FH) of pancreatic cancer (PC) has been associated with an increased risk of PC, but little is known regarding the role of inherited/environmental factors or that of FH of other comorbidities in PC risk. We aimed to address these issues using multiple methodological approaches.

Methods

Case-control study including 1431 PC cases and 1090 controls and a reconstructed-cohort study (N = 16 747) made up of their first-degree relatives (FDR). Logistic regression was used to evaluate PC risk associated with FH of cancer, diabetes, allergies, asthma, cystic fibrosis and chronic pancreatitis by relative type and number of affected relatives, by smoking status and other potential effect modifiers, and by tumour stage and location. Familial aggregation of cancer was assessed within the cohort using Cox proportional hazard regression.

Results

FH of PC was associated with an increased PC risk [odds ratio (OR) = 2.68; 95% confidence interval (CI): 2.27-4.06] when compared with cancer-free FH, the risk being greater when ≥ 2 FDRs suffered PC (OR = 3.88; 95% CI: 2.96-9.73) and among current smokers (OR = 3.16; 95% CI: 2.56-5.78, interaction FHPC*smoking P-value = 0.04). PC cumulative risk by age 75 was 2.2% among FDRs of cases and 0.7% in those of controls [hazard ratio (HR) = 2.42; 95% CI: 2.16-2.71]. PC risk was significantly associated with FH of cancer (OR = 1.30; 95% CI: 1.13-1.54) and diabetes (OR = 1.24; 95% CI: 1.01-1.52), but not with FH of other diseases.

Conclusions

The concordant findings using both approaches strengthen the notion that FH of cancer, PC or diabetes confers a higher PC risk. Smoking notably increases PC risk associated with FH of PC. Further evaluation of these associations should be undertaken to guide PC prevention strategies.

Inflammatory Bowel Disease and Eating Disorders: A systematized review of comorbidity

OBJECTIVE

Research has shown that there is an association between Inflammatory Bowel Disease, anxiety and mood disorders, however little is known about their association with Eating Disorders. In this paper we will present a case of a young female with a comorbid diagnosis of Inflammatory Bowel Disease and Eating Disorder, and then discuss the results from a systematic review of the literature, describing published cases of patients with the same condition.

METHODS

A systematized review of the literature was conducted according to MOOSE guidelines. A computerized literature search of MEDLINE, PsycINFO and EMBASE, and a manual search through reference lists of selected original articles were performed to identify all published case-reports, case series and studies of Inflammatory Bowel Disease and Eating Disorders.

RESULTS

Fourteen articles were included, encompassing 219 cases, including ours. The vast majority were females ranging from 10 to 44years old. Anorexia Nervosa (n=156) and Crohn's Disease (n=129) was the most frequent combination (n=90) reported in the literature. These cases present a poor prognosis because of corticoid refusal, medication abandon and/or deliberate exacerbation of IBD symptoms, in the context of trying to lose weight.

CONCLUSION

Recent evidence suggests there is a possible association between Inflammatory Bowel Disease and Eating Disorders, although the mechanisms involved in its ethiopathogenesis are still unknown. To be aware of this association is important because a delayed diagnosis of this comorbidity may lead to worse prognosis. Further research and a multidisciplinary approach could facilitate earlier diagnosis and provide therapeutic interventions.

A systems approach identifies time-dependent associations of multimorbidities with pancreatic cancer risk

BACKGROUND

Pancreatic ductal adenocarcinoma (PDAC) is usually diagnosed in late adulthood; therefore, many patients suffer or have suffered from other diseases. Identifying disease patterns associated with PDAC risk may enable a better characterization of high-risk patients.

METHODS

Multimorbidity patterns (MPs) were assessed from 17 self-reported conditions using hierarchical clustering, principal component, and factor analyses in 1705 PDAC cases and 1084 controls from a European population. Their association with PDAC was evaluated using adjusted logistic regression models. Time since diagnosis of morbidities to PDAC diagnosis/recruitment was stratified into recent (<3 years) and long term (≥3 years). The MPs and PDAC genetic networks were explored with DisGeNET bioinformatics-tool which focuses on gene-diseases associations available in curated databases.

RESULTS

Three MPs were observed: gastric (heartburn, acid regurgitation, Helicobacter pylori infection, and ulcer), metabolic syndrome (obesity, type-2 diabetes, hypercholesterolemia, and hypertension), and atopic (nasal allergies, skin allergies, and asthma). Strong associations with PDAC were observed for ≥2 recently diagnosed gastric conditions [odds ratio (OR), 6.13; 95% confidence interval CI 3.01-12.5)] and for ≥3 recently diagnosed metabolic syndrome conditions (OR, 1.61; 95% CI 1.11-2.35). Atopic conditions were negatively associated with PDAC (high adherence score OR for tertile III, 0.45; 95% CI, 0.36-0.55). Combining type-2 diabetes with gastric MP resulted in higher PDAC risk for recent (OR, 7.89; 95% CI 3.9-16.1) and long-term diagnosed conditions (OR, 1.86; 95% CI 1.29-2.67). A common genetic basis between MPs and PDAC was observed in the bioinformatics analysis.

CONCLUSIONS

Specific multimorbidities aggregate and associate with PDAC in a time-dependent manner. A better characterization of a high-risk population for PDAC may help in the early diagnosis of this cancer. The common genetic basis between MP and PDAC points to a mechanistic link between these conditions.