64 research outputs found

    Sales promotions and channel coordination

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    Consumer sales promotions are usually the result of the decisions of two marketing channel parties, the manufacturer and the retailer. In making these decisions, each party normally follows its own interest: i.e. maximizes its own profit. Unfortunately, this results in a suboptimal outcome for the channel as a whole. Independent profit maximization by channel parties leads to a lack of channel coordination with the implication of leaving money on the table. This may well contribute to the notoriously low profitability of sales promotions. This paper first shows analytically why the suboptimality occurs, and then presents an empirical demonstration, using a unique dataset from an Efficient Consumer Response (ECR) project; ECR is a movement in which parties work together to optimize the distribution channel). In this dataset, actual profit is only a small fraction of potential profit, implying that there is a large degree of suboptimality. It is important that (1) channel parties are aware of this suboptimality; and (2) that they have tools to deal with it. Solutions to the channel coordination problem should ensure that the goals of the individual channel parties are aligned with the goals of the channel as a whole. The paper proposes one particular agreement for this purpose, called proportional discount sharing. Application to the ECR data shows a win-win result for both the manufacturer and the retailer. Recognition of the channel coordination problem by the manufacturer and the retailer is the necessary starting point for agreeing on a way of solving it in a win-win fashion

    The distinctive gastric fluid proteome in gastric cancer reveals a multi-biomarker diagnostic profile

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    <p>Abstract</p> <p>Background</p> <p>Overall gastric cancer survival remains poor mainly because there are no reliable methods for identifying highly curable early stage disease. Multi-protein profiling of gastric fluids, obtained from the anatomic site of pathology, could reveal diagnostic proteomic fingerprints.</p> <p>Methods</p> <p>Protein profiles were generated from gastric fluid samples of 19 gastric cancer and 36 benign gastritides patients undergoing elective, clinically-indicated gastroscopy using surface-enhanced laser desorption/ionization time-of-flight mass spectrometry on multiple ProteinChip arrays. Proteomic features were compared by significance analysis of microarray algorithm and two-way hierarchical clustering. A second blinded sample set (24 gastric cancers and 29 clinically benign gastritides) was used for validation.</p> <p>Results</p> <p>By significance analysyis of microarray, 60 proteomic features were up-regulated and 46 were down-regulated in gastric cancer samples (<it>p </it>< 0.01). Multimarker clustering showed two distinctive proteomic profiles independent of age and ethnicity. Eighteen of 19 cancer samples clustered together (sensitivity 95%) while 27/36 of non-cancer samples clustered in a second group. Nine non-cancer samples that clustered with cancer samples included 5 pre-malignant lesions (1 adenomatous polyp and 4 intestinal metaplasia). Validation using a second sample set showed the sensitivity and specificity to be 88% and 93%, respectively. Positive predictive value of the combined data was 0.80. Selected peptide sequencing identified pepsinogen C and pepsin A activation peptide as significantly down-regulated and alpha-defensin as significantly up-regulated.</p> <p>Conclusion</p> <p>This simple and reproducible multimarker proteomic assay could supplement clinical gastroscopic evaluation of symptomatic patients to enhance diagnostic accuracy for gastric cancer and pre-malignant lesions.</p

    Sex-Differences in the Pattern of Comorbidities, Functional Independence, and Mortality in Elderly Inpatients: Evidence from the RePoSI Register

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    Background: The RePoSi study has provided data on comorbidities, polypharmacy, and sex dimorphism in hospitalised elderly patients. Methods: We retrospectively analysed data collected from the 2010, 2012, 2014, and 2016 data sets of the RePoSi register. The aim of this study was to explore the sex-differences and to validate the multivariate model in the entire dataset with an expanded follow-up at 1 year. Results: Among 4714 patients, 51% were women and 49% were men. The disease distribution showed that diabetes, coronary artery disease, chronic obstructive pulmonary disease, chronic kidney disease, and malignancy were more frequent in men but that hypertension, anaemia, osteoarthritis, depression, and diverticulitis disease were more common in women. Severity and comorbidity indexes according to the Cumulative Illness Rating Scale (CIRS-s and CIRS-c) were higher in men, while cognitive impairment, mood disorders, and disability in daily life measured by the Barthel Index (BI) were worse in women. In the multivariate analysis, BI, CIRS, and malignancy significantly increased the risk of death in men at the 1-year follow-up, while age was independently associated with mortality in women. Conclusions: Our study highlighted the relevance and the validity of our previous predictive model in the identification of sex dimorphism in hospitalised elderly patients underscoring the need of sex-personalised health-care

    The impact of surgical delay on resectability of colorectal cancer: An international prospective cohort study

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    AIM: The SARS-CoV-2 pandemic has provided a unique opportunity to explore the impact of surgical delays on cancer resectability. This study aimed to compare resectability for colorectal cancer patients undergoing delayed versus non-delayed surgery. METHODS: This was an international prospective cohort study of consecutive colorectal cancer patients with a decision for curative surgery (January-April 2020). Surgical delay was defined as an operation taking place more than 4 weeks after treatment decision, in a patient who did not receive neoadjuvant therapy. A subgroup analysis explored the effects of delay in elective patients only. The impact of longer delays was explored in a sensitivity analysis. The primary outcome was complete resection, defined as curative resection with an R0 margin. RESULTS: Overall, 5453 patients from 304 hospitals in 47 countries were included, of whom 6.6% (358/5453) did not receive their planned operation. Of the 4304 operated patients without neoadjuvant therapy, 40.5% (1744/4304) were delayed beyond 4 weeks. Delayed patients were more likely to be older, men, more comorbid, have higher body mass index and have rectal cancer and early stage disease. Delayed patients had higher unadjusted rates of complete resection (93.7% vs. 91.9%, P = 0.032) and lower rates of emergency surgery (4.5% vs. 22.5%, P < 0.001). After adjustment, delay was not associated with a lower rate of complete resection (OR 1.18, 95% CI 0.90-1.55, P = 0.224), which was consistent in elective patients only (OR 0.94, 95% CI 0.69-1.27, P = 0.672). Longer delays were not associated with poorer outcomes. CONCLUSION: One in 15 colorectal cancer patients did not receive their planned operation during the first wave of COVID-19. Surgical delay did not appear to compromise resectability, raising the hypothesis that any reduction in long-term survival attributable to delays is likely to be due to micro-metastatic disease

    Cornelia de Lange syndrome: description of the orofacial features and case report.

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    Cornelia de Lange Syndrome (CdLS) is a very rare syndrome characterised by multiple congenital anomaly affecting various organs and severe mental retardation. Incidence has been reported to be 1: 10.000-20.000 among the general population, with no racial predilection. The aetiology is still unknown but researchers, in 2004, discovered a mutation of the NIPBL gene located on chromosome 5 which is considered to be responsible of the disease. The main clinical features of the syndrome regard distinctive facial features, severe growth retardation, developmental and mental delay, hirsutism, structural limb abnormalities. The authors describe the main features of the syndrome focusing on oral and facial malformations and report a case of a three years old patient with CdLS

    Two cases of familial hypomagnesemia with hypercalciuria and nephrocalcinosis: dental findings.

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    The authors describe dental and periodontal conditions of two Chinese sisters affected by familial hypomagnesemia with hypercalciuria and nefrocalcinosis (FHHNC). FHHNC is a rare syndrome, genetically investigated since 1999, transmitted as an autosomal recessive disease. It is related to a mutation of PCN-1 gene which encodes for a tight junction protein named paracellin. CASE REPORT: Oral examination of two Chinese patients showed marked enamel hypoplasia, acute gingivitis and periodontal bone loss and severe malocclusion. The literature does not report previous investigations about the dental conditions of FHHNC patients. The syndrome is not definitely described from the clinical point of view. CONCLUSION: Further researches are necessary to understand the linkage between bone loss and enamel structure anomalies in FHHNC and to discover the relationships between nefrocalcinosis, hypomagnesemia, hypercalciuria and amelogenesis imperfecta.Background The authors describe dental and periodontal conditions of two Chinese sisters affected by familial hypomagnesemia with hypercalciuria and nefrocalcinosis (FHHNC). FHHNC is a rare syndrome, genetically investigated since 1999, transmitted as an autosomal recessive disease. It is related to a mutation of PCN-1 gene which encodes for a tight junction protein named paracellin. Case report Oral examination of two Chinese patients showed marked enamel hypoplasia, acute gingivitis and periodontal bone loss and severe malocclusion. The literature does not report previous investigations about the dental conditions of FHHNC patients. The syndrome is not definitely described from the clinical point of view. Conclusion Further researches are necessary to understand the linkage between bone loss and enamel structure anomalies in FHHNC and to discover the relationships between nefrocalcinosis, hypomagnesemia, hypercalciuria and amelogenesis imperfecta

    Dente natale e inquinamento ambientale: un\u2019ipotesi eziopatogenetica

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    Sono definiti neonatali i denti presenti alla nascita o la cui eruzione avvenga durante il primo mese di vita. La prevalenza di questa evidenza clinica varia tra 1:700 e 1: 30.000. L\u2019elemento dentale maggiormente interessato \ue8 l\u2019incisivo centrale inferiore e, nella maggior parte dei casi, non si tratta di un elemento sovrannumerario. Diversi Autori descrivono l\u2019associazione dente tra neonatale e numerose sindromi genetiche tra le quali le pi\uf9 frequenti sono rappresentate dalla sindrome di Jadasshon-Lewandowsky, di Ellis-Van Creveld, di Hallerman-Streiff, di Pierre-Robin e di Soto. Recentemente si \ue8 riscontrato un aumento di incidenza di tale evento, che \ue8 stato messo in relazione a fattori ambientali ed in particolare all\u2019esposizione a sostanze tossiche quali il policlorinato bifenile (PCB). Questa molecola \ue8 utilizzata nella produzione di vernici industriali e di liquidi refrigeranti e viene liberata nell\u2019atmosfera per combustione incompleta della plastica. Presenta una tossicit\ue0 acuta e cronica; attraversando la barriera transplacentare ,sono stati descritti diversi effetti sul feto, tra i quali eruzione anticipata dei denti decidui, iperpigmentazione della cute, delle mucose e delle unghie, calcificazioni occipito-parietali ed incompleta chiusura delle suture craniche, edema faciale ed esoftalmo. Nel corso dell\u2019anno 2003 sono afferiti presso il Servizio di Assistenza odontoiatrica per Disabili, cinque bambini di et\ue0 compresa tra 5 e 60 giorni, in cui un elemento dentale inferiore era gi\ue0 presente alla nascita. Tutti gli elementi dentali presentavano mobilit\ue0 di grado 3, che ne rendeva necessaria l\u2019estrazione perch\ue9 a rischio di ingestione accidentale durante la suzione. L\u2019aumento di incidenza di questa evidenza clinica porta ad ipotizzare una correlazione tra dente neonatale ed esposizione a sostanze tossiche da inquinamento ambiental

    Caries and adolescents.

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    The rapid improvement in oral health conditions in childhood and adolescence and the ceaseless bombardment of information from the mass media have, during little more than 30 years, brought about a decrease in the prevalence of caries of more than 70% in most European Union countries. The study aimed to take an accurate picture of oral health conditions and dental prevention habits among adolescents. METHODS: The research was conducted on a group of 340 adolescents (12-16 years) in the province of Bologna (Imola) and used the SPSS to compare clinical and epidemiological parameters with medical-history data traditionally understood to be determinant for caries. RESULTS: From an analysis of the data it emerged that the mean value of the decay, missing or filled tooth (DMFT) index in the group was 1.8765 +/- 2.1987 and that the plaque index (according to L\uf6e and Silness) was 1.2519 +/- 0.4213. CONCLUSIONS: Crossing the data obtained, a highly significant correlation emerged (P=0.004) between plaque and caries indexes, and confirmed the primary role of bacterial plaque in causing caries. Unlike what we expected and unlike data reported in the international literature, the caries index was not found to be correlated in a statistically significant way with frequency of brushing, ''preferential consumption of sweet snacks'' (P=0.231) nor ''eating sweets and chewing gum'' (P=0.159) or with taking fluoride tablets (P=0.406). The key to success during adolescence is rooted in childhood; it is the pediatricians' and parents' job to guide and control the acquisition of correct dietary and oral hygiene habits
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